diff options
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 5156 |
1 files changed, 5156 insertions, 0 deletions
diff --git a/ffmpeg.c b/ffmpeg.c new file mode 100644 index 0000000000..dfe739463f --- /dev/null +++ b/ffmpeg.c @@ -0,0 +1,5156 @@ +/* + * Copyright (c) 2000-2003 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * multimedia converter based on the FFmpeg libraries + */ + +#include "config.h" +#include <ctype.h> +#include <string.h> +#include <math.h> +#include <stdlib.h> +#include <errno.h> +#include <signal.h> +#include <limits.h> +#include <unistd.h> +#include "libavformat/avformat.h" +#include "libavdevice/avdevice.h" +#include "libswscale/swscale.h" +#include "libavutil/opt.h" +#include "libavcodec/audioconvert.h" +#include "libavutil/audioconvert.h" +#include "libavutil/parseutils.h" +#include "libavutil/samplefmt.h" +#include "libavutil/colorspace.h" +#include "libavutil/fifo.h" +#include "libavutil/intreadwrite.h" +#include "libavutil/dict.h" +#include "libavutil/mathematics.h" +#include "libavutil/pixdesc.h" +#include "libavutil/avstring.h" +#include "libavutil/libm.h" +#include "libavutil/imgutils.h" +#include "libavutil/timestamp.h" +#include "libavformat/os_support.h" +#include "libswresample/swresample.h" + +#include "libavformat/ffm.h" // not public API + +#if CONFIG_AVFILTER +# include "libavfilter/avcodec.h" +# include "libavfilter/avfilter.h" +# include "libavfilter/avfiltergraph.h" +# include "libavfilter/buffersink.h" +# include "libavfilter/buffersrc.h" +# include "libavfilter/vsrc_buffer.h" +#endif + +#if HAVE_SYS_RESOURCE_H +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> +#elif HAVE_GETPROCESSTIMES +#include <windows.h> +#endif +#if HAVE_GETPROCESSMEMORYINFO +#include <windows.h> +#include <psapi.h> +#endif + +#if HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif + +#if HAVE_TERMIOS_H +#include <fcntl.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <termios.h> +#elif HAVE_KBHIT +#include <conio.h> +#endif +#include <time.h> + +#include "cmdutils.h" + +#include "libavutil/avassert.h" + +#define VSYNC_AUTO -1 +#define VSYNC_PASSTHROUGH 0 +#define VSYNC_CFR 1 +#define VSYNC_VFR 2 +#define VSYNC_DROP 0xff + +const char program_name[] = "ffmpeg"; +const int program_birth_year = 2000; + +/* select an input stream for an output stream */ +typedef struct StreamMap { + int disabled; /** 1 is this mapping is disabled by a negative map */ + int file_index; + int stream_index; + int sync_file_index; + int sync_stream_index; +} StreamMap; + +typedef struct { + int file_idx, stream_idx, channel_idx; // input + int ofile_idx, ostream_idx; // output +} AudioChannelMap; + +/** + * select an input file for an output file + */ +typedef struct MetadataMap { + int file; ///< file index + char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram + int index; ///< stream/chapter/program number +} MetadataMap; + +static const OptionDef options[]; + +#define MAX_STREAMS 1024 /* arbitrary sanity check value */ + +static int frame_bits_per_raw_sample = 0; +static int video_discard = 0; +static int same_quant = 0; +static int do_deinterlace = 0; +static int intra_dc_precision = 8; +static int qp_hist = 0; +static int intra_only = 0; +static const char *video_codec_name = NULL; +static const char *audio_codec_name = NULL; +static const char *subtitle_codec_name = NULL; + +static int file_overwrite = 0; +static int no_file_overwrite = 0; +static int do_benchmark = 0; +static int do_hex_dump = 0; +static int do_pkt_dump = 0; +static int do_psnr = 0; +static int do_pass = 0; +static const char *pass_logfilename_prefix; +static int video_sync_method = VSYNC_AUTO; +static int audio_sync_method = 0; +static float audio_drift_threshold = 0.1; +static int copy_ts = 0; +static int copy_tb = -1; +static int opt_shortest = 0; +static char *vstats_filename; +static FILE *vstats_file; + +static int audio_volume = 256; + +static int exit_on_error = 0; +static int using_stdin = 0; +static int run_as_daemon = 0; +static volatile int received_nb_signals = 0; +static int64_t video_size = 0; +static int64_t audio_size = 0; +static int64_t extra_size = 0; +static int nb_frames_dup = 0; +static int nb_frames_drop = 0; +static int input_sync; + +static float dts_delta_threshold = 10; +static float dts_error_threshold = 3600*30; + +static int print_stats = 1; +static int debug_ts = 0; + +static uint8_t *audio_buf; +static unsigned int allocated_audio_buf_size; + +static uint8_t *input_tmp= NULL; + +#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" + +typedef struct FrameBuffer { + uint8_t *base[4]; + uint8_t *data[4]; + int linesize[4]; + + int h, w; + enum PixelFormat pix_fmt; + + int refcount; + struct InputStream *ist; + struct FrameBuffer *next; +} FrameBuffer; + +typedef struct InputStream { + int file_index; + AVStream *st; + int discard; /* true if stream data should be discarded */ + int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */ + AVCodec *dec; + AVFrame *decoded_frame; + AVFrame *filtered_frame; + + int64_t start; /* time when read started */ + /* predicted dts of the next packet read for this stream or (when there are + * several frames in a packet) of the next frame in current packet */ + int64_t next_dts; + /* dts of the last packet read for this stream */ + int64_t dts; + + int64_t next_pts; ///< synthetic pts for the next decode frame + int64_t pts; ///< current pts of the decoded frame + double ts_scale; + int is_start; /* is 1 at the start and after a discontinuity */ + int showed_multi_packet_warning; + AVDictionary *opts; + + /* a pool of free buffers for decoded data */ + FrameBuffer *buffer_pool; + int dr1; +} InputStream; + +typedef struct InputFile { + AVFormatContext *ctx; + int eof_reached; /* true if eof reached */ + int ist_index; /* index of first stream in input_streams */ + int buffer_size; /* current total buffer size */ + int64_t ts_offset; + int nb_streams; /* number of stream that ffmpeg is aware of; may be different + from ctx.nb_streams if new streams appear during av_read_frame() */ + int rate_emu; +} InputFile; + +typedef struct OutputStream { + int file_index; /* file index */ + int index; /* stream index in the output file */ + int source_index; /* InputStream index */ + AVStream *st; /* stream in the output file */ + int encoding_needed; /* true if encoding needed for this stream */ + int frame_number; + /* input pts and corresponding output pts + for A/V sync */ + struct InputStream *sync_ist; /* input stream to sync against */ + int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number + AVBitStreamFilterContext *bitstream_filters; + AVCodec *enc; + int64_t max_frames; + AVFrame *output_frame; + + /* video only */ + int video_resample; + AVFrame resample_frame; /* temporary frame for image resampling */ + struct SwsContext *img_resample_ctx; /* for image resampling */ + int resample_height; + int resample_width; + int resample_pix_fmt; + AVRational frame_rate; + int force_fps; + int top_field_first; + + float frame_aspect_ratio; + + /* forced key frames */ + int64_t *forced_kf_pts; + int forced_kf_count; + int forced_kf_index; + + /* audio only */ + int audio_resample; + int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream + int audio_channels_mapped; ///< number of channels in audio_channels_map + int resample_sample_fmt; + int resample_channels; + int resample_sample_rate; + float rematrix_volume; + AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */ + FILE *logfile; + + struct SwrContext *swr; + +#if CONFIG_AVFILTER + AVFilterContext *output_video_filter; + AVFilterContext *input_video_filter; + AVFilterBufferRef *picref; + char *avfilter; + AVFilterGraph *graph; +#endif + + int64_t sws_flags; + AVDictionary *opts; + int is_past_recording_time; + int stream_copy; + const char *attachment_filename; + int copy_initial_nonkeyframes; +} OutputStream; + + +#if HAVE_TERMIOS_H + +/* init terminal so that we can grab keys */ +static struct termios oldtty; +static int restore_tty; +#endif + +typedef struct OutputFile { + AVFormatContext *ctx; + AVDictionary *opts; + int ost_index; /* index of the first stream in output_streams */ + int64_t recording_time; /* desired length of the resulting file in microseconds */ + int64_t start_time; /* start time in microseconds */ + uint64_t limit_filesize; /* filesize limit expressed in bytes */ +} OutputFile; + +static InputStream *input_streams = NULL; +static int nb_input_streams = 0; +static InputFile *input_files = NULL; +static int nb_input_files = 0; + +static OutputStream *output_streams = NULL; +static int nb_output_streams = 0; +static OutputFile *output_files = NULL; +static int nb_output_files = 0; + +typedef struct OptionsContext { + /* input/output options */ + int64_t start_time; + const char *format; + + SpecifierOpt *codec_names; + int nb_codec_names; + SpecifierOpt *audio_channels; + int nb_audio_channels; + SpecifierOpt *audio_sample_rate; + int nb_audio_sample_rate; + SpecifierOpt *rematrix_volume; + int nb_rematrix_volume; + SpecifierOpt *frame_rates; + int nb_frame_rates; + SpecifierOpt *frame_sizes; + int nb_frame_sizes; + SpecifierOpt *frame_pix_fmts; + int nb_frame_pix_fmts; + + /* input options */ + int64_t input_ts_offset; + int rate_emu; + + SpecifierOpt *ts_scale; + int nb_ts_scale; + SpecifierOpt *dump_attachment; + int nb_dump_attachment; + + /* output options */ + StreamMap *stream_maps; + int nb_stream_maps; + AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel + int nb_audio_channel_maps; ///< number of (valid) -map_channel settings + /* first item specifies output metadata, second is input */ + MetadataMap (*meta_data_maps)[2]; + int nb_meta_data_maps; + int metadata_global_manual; + int metadata_streams_manual; + int metadata_chapters_manual; + const char **attachments; + int nb_attachments; + + int chapters_input_file; + + int64_t recording_time; + uint64_t limit_filesize; + float mux_preload; + float mux_max_delay; + + int video_disable; + int audio_disable; + int subtitle_disable; + int data_disable; + + /* indexed by output file stream index */ + int *streamid_map; + int nb_streamid_map; + + SpecifierOpt *metadata; + int nb_metadata; + SpecifierOpt *max_frames; + int nb_max_frames; + SpecifierOpt *bitstream_filters; + int nb_bitstream_filters; + SpecifierOpt *codec_tags; + int nb_codec_tags; + SpecifierOpt *sample_fmts; + int nb_sample_fmts; + SpecifierOpt *qscale; + int nb_qscale; + SpecifierOpt *forced_key_frames; + int nb_forced_key_frames; + SpecifierOpt *force_fps; + int nb_force_fps; + SpecifierOpt *frame_aspect_ratios; + int nb_frame_aspect_ratios; + SpecifierOpt *rc_overrides; + int nb_rc_overrides; + SpecifierOpt *intra_matrices; + int nb_intra_matrices; + SpecifierOpt *inter_matrices; + int nb_inter_matrices; + SpecifierOpt *top_field_first; + int nb_top_field_first; + SpecifierOpt *metadata_map; + int nb_metadata_map; + SpecifierOpt *presets; + int nb_presets; + SpecifierOpt *copy_initial_nonkeyframes; + int nb_copy_initial_nonkeyframes; +#if CONFIG_AVFILTER + SpecifierOpt *filters; + int nb_filters; +#endif +} OptionsContext; + +#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\ +{\ + int i, ret;\ + for (i = 0; i < o->nb_ ## name; i++) {\ + char *spec = o->name[i].specifier;\ + if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\ + outvar = o->name[i].u.type;\ + else if (ret < 0)\ + exit_program(1);\ + }\ +} + +static void reset_options(OptionsContext *o, int is_input) +{ + const OptionDef *po = options; + OptionsContext bak= *o; + + /* all OPT_SPEC and OPT_STRING can be freed in generic way */ + while (po->name) { + void *dst = (uint8_t*)o + po->u.off; + + if (po->flags & OPT_SPEC) { + SpecifierOpt **so = dst; + int i, *count = (int*)(so + 1); + for (i = 0; i < *count; i++) { + av_freep(&(*so)[i].specifier); + if (po->flags & OPT_STRING) + av_freep(&(*so)[i].u.str); + } + av_freep(so); + *count = 0; + } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING) + av_freep(dst); + po++; + } + + av_freep(&o->stream_maps); + av_freep(&o->audio_channel_maps); + av_freep(&o->meta_data_maps); + av_freep(&o->streamid_map); + + memset(o, 0, sizeof(*o)); + + if(is_input) o->recording_time = bak.recording_time; + else o->recording_time = INT64_MAX; + o->mux_max_delay = 0.7; + o->limit_filesize = UINT64_MAX; + o->chapters_input_file = INT_MAX; + + uninit_opts(); + init_opts(); +} + +static int alloc_buffer(AVCodecContext *s, InputStream *ist, FrameBuffer **pbuf) +{ + FrameBuffer *buf = av_mallocz(sizeof(*buf)); + int i, ret; + const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1; + int h_chroma_shift, v_chroma_shift; + int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1 + int w = s->width, h = s->height; + + if (!buf) + return AVERROR(ENOMEM); + + if (!(s->flags & CODEC_FLAG_EMU_EDGE)) { + w += 2*edge; + h += 2*edge; + } + + avcodec_align_dimensions(s, &w, &h); + if ((ret = av_image_alloc(buf->base, buf->linesize, w, h, + s->pix_fmt, 32)) < 0) { + av_freep(&buf); + return ret; + } + /* XXX this shouldn't be needed, but some tests break without this line + * those decoders are buggy and need to be fixed. + * the following tests fail: + * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit + */ + memset(buf->base[0], 128, ret); + + avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift); + for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) { + const int h_shift = i==0 ? 0 : h_chroma_shift; + const int v_shift = i==0 ? 0 : v_chroma_shift; + if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1]) + buf->data[i] = buf->base[i]; + else + buf->data[i] = buf->base[i] + + FFALIGN((buf->linesize[i]*edge >> v_shift) + + (pixel_size*edge >> h_shift), 32); + } + buf->w = s->width; + buf->h = s->height; + buf->pix_fmt = s->pix_fmt; + buf->ist = ist; + + *pbuf = buf; + return 0; +} + +static void free_buffer_pool(InputStream *ist) +{ + FrameBuffer *buf = ist->buffer_pool; + while (buf) { + ist->buffer_pool = buf->next; + av_freep(&buf->base[0]); + av_free(buf); + buf = ist->buffer_pool; + } +} + +static void unref_buffer(InputStream *ist, FrameBuffer *buf) +{ + av_assert0(buf->refcount); + buf->refcount--; + if (!buf->refcount) { + buf->next = ist->buffer_pool; + ist->buffer_pool = buf; + } +} + +static int codec_get_buffer(AVCodecContext *s, AVFrame *frame) +{ + InputStream *ist = s->opaque; + FrameBuffer *buf; + int ret, i; + + if(av_image_check_size(s->width, s->height, 0, s)) + return -1; + + if (!ist->buffer_pool && (ret = alloc_buffer(s, ist, &ist->buffer_pool)) < 0) + return ret; + + buf = ist->buffer_pool; + ist->buffer_pool = buf->next; + buf->next = NULL; + if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) { + av_freep(&buf->base[0]); + av_free(buf); + ist->dr1 = 0; + if ((ret = alloc_buffer(s, ist, &buf)) < 0) + return ret; + } + buf->refcount++; + + frame->opaque = buf; + frame->type = FF_BUFFER_TYPE_USER; + frame->extended_data = frame->data; + frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE; + + for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) { + frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't + frame->data[i] = buf->data[i]; + frame->linesize[i] = buf->linesize[i]; + } + + return 0; +} + +static void codec_release_buffer(AVCodecContext *s, AVFrame *frame) +{ + InputStream *ist = s->opaque; + FrameBuffer *buf = frame->opaque; + int i; + + if(frame->type!=FF_BUFFER_TYPE_USER) + return avcodec_default_release_buffer(s, frame); + + for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++) + frame->data[i] = NULL; + + unref_buffer(ist, buf); +} + +static void filter_release_buffer(AVFilterBuffer *fb) +{ + FrameBuffer *buf = fb->priv; + av_free(fb); + unref_buffer(buf->ist, buf); +} + +#if CONFIG_AVFILTER + +static int configure_video_filters(InputStream *ist, OutputStream *ost) +{ + AVFilterContext *last_filter, *filter; + /** filter graph containing all filters including input & output */ + AVCodecContext *codec = ost->st->codec; + AVCodecContext *icodec = ist->st->codec; + enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE }; + AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc(); + AVRational sample_aspect_ratio; + char args[255]; + int ret; + + ost->graph = avfilter_graph_alloc(); + if (!ost->graph) + return AVERROR(ENOMEM); + + if (ist->st->sample_aspect_ratio.num) { + sample_aspect_ratio = ist->st->sample_aspect_ratio; + } else + sample_aspect_ratio = ist->st->codec->sample_aspect_ratio; + + snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width, + ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE, + sample_aspect_ratio.num, sample_aspect_ratio.den); + + ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"), + "src", args, NULL, ost->graph); + if (ret < 0) + return ret; + +#if FF_API_OLD_VSINK_API + ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"), + "out", NULL, pix_fmts, ost->graph); +#else + buffersink_params->pixel_fmts = pix_fmts; + ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"), + "out", NULL, buffersink_params, ost->graph); +#endif + av_freep(&buffersink_params); + + if (ret < 0) + return ret; + last_filter = ost->input_video_filter; + + if (codec->width != icodec->width || codec->height != icodec->height) { + snprintf(args, 255, "%d:%d:flags=0x%X", + codec->width, + codec->height, + (unsigned)ost->sws_flags); + if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"), + NULL, args, NULL, ost->graph)) < 0) + return ret; + if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0) + return ret; + last_filter = filter; + } + + snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags); + ost->graph->scale_sws_opts = av_strdup(args); + + if (ost->avfilter) { + AVFilterInOut *outputs = avfilter_inout_alloc(); + AVFilterInOut *inputs = avfilter_inout_alloc(); + + outputs->name = av_strdup("in"); + outputs->filter_ctx = last_filter; + outputs->pad_idx = 0; + outputs->next = NULL; + + inputs->name = av_strdup("out"); + inputs->filter_ctx = ost->output_video_filter; + inputs->pad_idx = 0; + inputs->next = NULL; + + if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0) + return ret; + av_freep(&ost->avfilter); + } else { + if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0) + return ret; + } + + if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0) + return ret; + + codec->width = ost->output_video_filter->inputs[0]->w; + codec->height = ost->output_video_filter->inputs[0]->h; + codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = + ost->frame_aspect_ratio ? // overridden by the -aspect cli option + av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) : + ost->output_video_filter->inputs[0]->sample_aspect_ratio; + + return 0; +} +#endif /* CONFIG_AVFILTER */ + +static void term_exit(void) +{ + av_log(NULL, AV_LOG_QUIET, "%s", ""); +#if HAVE_TERMIOS_H + if(restore_tty) + tcsetattr (0, TCSANOW, &oldtty); +#endif +} + +static volatile int received_sigterm = 0; + +static void sigterm_handler(int sig) +{ + received_sigterm = sig; + received_nb_signals++; + term_exit(); + if(received_nb_signals > 3) + exit(123); +} + +static void term_init(void) +{ +#if HAVE_TERMIOS_H + if(!run_as_daemon){ + struct termios tty; + + if (tcgetattr (0, &tty) == 0) { + oldtty = tty; + restore_tty = 1; + atexit(term_exit); + + tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP + |INLCR|IGNCR|ICRNL|IXON); + tty.c_oflag |= OPOST; + tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); + tty.c_cflag &= ~(CSIZE|PARENB); + tty.c_cflag |= CS8; + tty.c_cc[VMIN] = 1; + tty.c_cc[VTIME] = 0; + + tcsetattr (0, TCSANOW, &tty); + } + signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ + } +#endif + avformat_network_deinit(); + + signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ + signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ +#ifdef SIGXCPU + signal(SIGXCPU, sigterm_handler); +#endif +} + +/* read a key without blocking */ +static int read_key(void) +{ + unsigned char ch; +#if HAVE_TERMIOS_H + int n = 1; + struct timeval tv; + fd_set rfds; + + FD_ZERO(&rfds); + FD_SET(0, &rfds); + tv.tv_sec = 0; + tv.tv_usec = 0; + n = select(1, &rfds, NULL, NULL, &tv); + if (n > 0) { + n = read(0, &ch, 1); + if (n == 1) + return ch; + + return n; + } +#elif HAVE_KBHIT +# if HAVE_PEEKNAMEDPIPE + static int is_pipe; + static HANDLE input_handle; + DWORD dw, nchars; + if(!input_handle){ + input_handle = GetStdHandle(STD_INPUT_HANDLE); + is_pipe = !GetConsoleMode(input_handle, &dw); + } + + if (stdin->_cnt > 0) { + read(0, &ch, 1); + return ch; + } + if (is_pipe) { + /* When running under a GUI, you will end here. */ + if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) + return -1; + //Read it + if(nchars != 0) { + read(0, &ch, 1); + return ch; + }else{ + return -1; + } + } +# endif + if(kbhit()) + return(getch()); +#endif + return -1; +} + +static int decode_interrupt_cb(void *ctx) +{ + return received_nb_signals > 1; +} + +static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; + +void av_noreturn exit_program(int ret) +{ + int i; + + /* close files */ + for (i = 0; i < nb_output_files; i++) { + AVFormatContext *s = output_files[i].ctx; + if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb) + avio_close(s->pb); + avformat_free_context(s); + av_dict_free(&output_files[i].opts); + } + for (i = 0; i < nb_output_streams; i++) { + AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters; + while (bsfc) { + AVBitStreamFilterContext *next = bsfc->next; + av_bitstream_filter_close(bsfc); + bsfc = next; + } + output_streams[i].bitstream_filters = NULL; + + if (output_streams[i].output_frame) { + AVFrame *frame = output_streams[i].output_frame; + if (frame->extended_data != frame->data) + av_freep(&frame->extended_data); + av_freep(&frame); + } + } + for (i = 0; i < nb_input_files; i++) { + avformat_close_input(&input_files[i].ctx); + } + for (i = 0; i < nb_input_streams; i++) { + av_freep(&input_streams[i].decoded_frame); + av_freep(&input_streams[i].filtered_frame); + av_dict_free(&input_streams[i].opts); + free_buffer_pool(&input_streams[i]); + } + + if (vstats_file) + fclose(vstats_file); + av_free(vstats_filename); + + av_freep(&input_streams); + av_freep(&input_files); + av_freep(&output_streams); + av_freep(&output_files); + + uninit_opts(); + av_free(audio_buf); + allocated_audio_buf_size = 0; + +#if CONFIG_AVFILTER + avfilter_uninit(); +#endif + avformat_network_deinit(); + + av_freep(&input_tmp); + + if (received_sigterm) { + av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", + (int) received_sigterm); + exit (255); + } + + exit(ret); /* not all OS-es handle main() return value */ +} + +static void assert_avoptions(AVDictionary *m) +{ + AVDictionaryEntry *t; + if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { + av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); + exit_program(1); + } +} + +static void assert_codec_experimental(AVCodecContext *c, int encoder) +{ + const char *codec_string = encoder ? "encoder" : "decoder"; + AVCodec *codec; + if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL && + c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { + av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad " + "results.\nAdd '-strict experimental' if you want to use it.\n", + codec_string, c->codec->name); + codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id); + if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) + av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n", + codec_string, codec->name); + exit_program(1); + } +} + +static void choose_sample_fmt(AVStream *st, AVCodec *codec) +{ + if (codec && codec->sample_fmts) { + const enum AVSampleFormat *p = codec->sample_fmts; + for (; *p != -1; p++) { + if (*p == st->codec->sample_fmt) + break; + } + if (*p == -1) { + if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0])) + av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n"); + if(av_get_sample_fmt_name(st->codec->sample_fmt)) + av_log(NULL, AV_LOG_WARNING, + "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n", + av_get_sample_fmt_name(st->codec->sample_fmt), + codec->name, + av_get_sample_fmt_name(codec->sample_fmts[0])); + st->codec->sample_fmt = codec->sample_fmts[0]; + } + } +} + +static void choose_sample_rate(AVStream *st, AVCodec *codec) +{ + if (codec && codec->supported_samplerates) { + const int *p = codec->supported_samplerates; + int best = 0; + int best_dist = INT_MAX; + for (; *p; p++) { + int dist = abs(st->codec->sample_rate - *p); + if (dist < best_dist) { + best_dist = dist; + best = *p; + } + } + if (best_dist) { + av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best); + } + st->codec->sample_rate = best; + } +} + +static void choose_pixel_fmt(AVStream *st, AVCodec *codec) +{ + if (codec && codec->pix_fmts) { + const enum PixelFormat *p = codec->pix_fmts; + int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0; + enum PixelFormat best= PIX_FMT_NONE; + if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) { + if (st->codec->codec_id == CODEC_ID_MJPEG) { + p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE }; + } else if (st->codec->codec_id == CODEC_ID_LJPEG) { + p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, + PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE }; + } + } + for (; *p != PIX_FMT_NONE; p++) { + best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL); + if (*p == st->codec->pix_fmt) + break; + } + if (*p == PIX_FMT_NONE) { + if (st->codec->pix_fmt != PIX_FMT_NONE) + av_log(NULL, AV_LOG_WARNING, + "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n", + av_pix_fmt_descriptors[st->codec->pix_fmt].name, + codec->name, + av_pix_fmt_descriptors[best].name); + st->codec->pix_fmt = best; + } + } +} + +static double +get_sync_ipts(const OutputStream *ost, int64_t pts) +{ + OutputFile *of = &output_files[ost->file_index]; + return (double)(pts - of->start_time) / AV_TIME_BASE; +} + +static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) +{ + AVBitStreamFilterContext *bsfc = ost->bitstream_filters; + AVCodecContext *avctx = ost->st->codec; + int ret; + + /* + * Audio encoders may split the packets -- #frames in != #packets out. + * But there is no reordering, so we can limit the number of output packets + * by simply dropping them here. + * Counting encoded video frames needs to be done separately because of + * reordering, see do_video_out() + */ + if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { + if (ost->frame_number >= ost->max_frames) + return; + ost->frame_number++; + } + + while (bsfc) { + AVPacket new_pkt = *pkt; + int a = av_bitstream_filter_filter(bsfc, avctx, NULL, + &new_pkt.data, &new_pkt.size, + pkt->data, pkt->size, + pkt->flags & AV_PKT_FLAG_KEY); + if (a > 0) { + av_free_packet(pkt); + new_pkt.destruct = av_destruct_packet; + } else if (a < 0) { + av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s", + bsfc->filter->name, pkt->stream_index, + avctx->codec ? avctx->codec->name : "copy"); + print_error("", a); + if (exit_on_error) + exit_program(1); + } + *pkt = new_pkt; + + bsfc = bsfc->next; + } + + pkt->stream_index = ost->index; + ret = av_interleaved_write_frame(s, pkt); + if (ret < 0) { + print_error("av_interleaved_write_frame()", ret); + exit_program(1); + } +} + +static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size) +{ + int fill_char = 0x00; + if (sample_fmt == AV_SAMPLE_FMT_U8) + fill_char = 0x80; + memset(buf, fill_char, size); +} + +static int encode_audio_frame(AVFormatContext *s, OutputStream *ost, + const uint8_t *buf, int buf_size) +{ + AVCodecContext *enc = ost->st->codec; + AVFrame *frame = NULL; + AVPacket pkt; + int ret, got_packet; + + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + if (buf) { + if (!ost->output_frame) { + ost->output_frame = avcodec_alloc_frame(); + if (!ost->output_frame) { + av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n"); + exit_program(1); + } + } + frame = ost->output_frame; + if (frame->extended_data != frame->data) + av_freep(&frame->extended_data); + avcodec_get_frame_defaults(frame); + + frame->nb_samples = buf_size / + (enc->channels * av_get_bytes_per_sample(enc->sample_fmt)); + if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt, + buf, buf_size, 1)) < 0) { + av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); + exit_program(1); + } + + ost->sync_opts += frame->nb_samples; + } + + got_packet = 0; + if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { + av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); + exit_program(1); + } + + ret = pkt.size; + + if (got_packet) { + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + if (pkt.duration > 0) + pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); + + write_frame(s, &pkt, ost); + + audio_size += pkt.size; + + av_free_packet(&pkt); + } + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "encoder -> type:audio " + "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", + av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), + av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); + } + + return ret; +} + +static void do_audio_out(AVFormatContext *s, OutputStream *ost, + InputStream *ist, AVFrame *decoded_frame) +{ + uint8_t *buftmp; + int64_t audio_buf_size, size_out; + + int frame_bytes, resample_changed; + AVCodecContext *enc = ost->st->codec; + AVCodecContext *dec = ist->st->codec; + int osize = av_get_bytes_per_sample(enc->sample_fmt); + int isize = av_get_bytes_per_sample(dec->sample_fmt); + uint8_t *buf = decoded_frame->data[0]; + int size = decoded_frame->nb_samples * dec->channels * isize; + int64_t allocated_for_size = size; + +need_realloc: + audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels); + audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate; + audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API + audio_buf_size = FFMAX(audio_buf_size, enc->frame_size); + audio_buf_size *= osize * enc->channels; + + if (audio_buf_size > INT_MAX) { + av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n"); + exit_program(1); + } + + av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size); + if (!audio_buf) { + av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n"); + exit_program(1); + } + + if (enc->channels != dec->channels + || enc->sample_fmt != dec->sample_fmt + || enc->sample_rate!= dec->sample_rate + ) + ost->audio_resample = 1; + + resample_changed = ost->resample_sample_fmt != dec->sample_fmt || + ost->resample_channels != dec->channels || + ost->resample_sample_rate != dec->sample_rate; + + if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) { + if (resample_changed) { + av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n", + ist->file_index, ist->st->index, + ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels, + dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels); + ost->resample_sample_fmt = dec->sample_fmt; + ost->resample_channels = dec->channels; + ost->resample_sample_rate = dec->sample_rate; + swr_free(&ost->swr); + } + /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */ + if (audio_sync_method <= 1 && !ost->audio_channels_mapped && + ost->resample_sample_fmt == enc->sample_fmt && + ost->resample_channels == enc->channels && + ost->resample_sample_rate == enc->sample_rate) { + //ost->swr = NULL; + ost->audio_resample = 0; + } else { + ost->swr = swr_alloc_set_opts(ost->swr, + enc->channel_layout, enc->sample_fmt, enc->sample_rate, + dec->channel_layout, dec->sample_fmt, dec->sample_rate, + 0, NULL); + if (ost->audio_channels_mapped) + swr_set_channel_mapping(ost->swr, ost->audio_channels_map); + av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0); + if (ost->audio_channels_mapped) { + av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0); + av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0); + } + if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) { + av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n"); + exit_program(1); + } + if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) { + av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n"); + exit_program(1); + } + if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0); + if(ost->swr && swr_init(ost->swr) < 0){ + av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n"); + swr_free(&ost->swr); + } + + if (!ost->swr) { + av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n", + dec->channels, dec->sample_rate, + enc->channels, enc->sample_rate); + exit_program(1); + } + } + } + + av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt); + + if (audio_sync_method) { + double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts - + av_fifo_size(ost->fifo) / (enc->channels * osize); + int idelta = delta * dec->sample_rate / enc->sample_rate; + int byte_delta = idelta * isize * dec->channels; + + // FIXME resample delay + if (fabs(delta) > 50) { + if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) { + if (byte_delta < 0) { + byte_delta = FFMAX(byte_delta, -size); + size += byte_delta; + buf -= byte_delta; + av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", + -byte_delta / (isize * dec->channels)); + if (!size) + return; + ist->is_start = 0; + } else { + input_tmp = av_realloc(input_tmp, byte_delta + size); + + if (byte_delta > allocated_for_size - size) { + allocated_for_size = byte_delta + (int64_t)size; + goto need_realloc; + } + ist->is_start = 0; + + generate_silence(input_tmp, dec->sample_fmt, byte_delta); + memcpy(input_tmp + byte_delta, buf, size); + buf = input_tmp; + size += byte_delta; + av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta); + } + } else if (audio_sync_method > 1) { + int comp = av_clip(delta, -audio_sync_method, audio_sync_method); + av_assert0(ost->audio_resample); + av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n", + delta, comp, enc->sample_rate); +// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2)); + swr_set_compensation(ost->swr, comp, enc->sample_rate); + } + } + } else + ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) - + av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong + + if (ost->audio_resample || ost->audio_channels_mapped) { + buftmp = audio_buf; + size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize), + (const uint8_t*[]){buf }, size / (dec->channels * isize)); + size_out = size_out * enc->channels * osize; + } else { + buftmp = buf; + size_out = size; + } + + av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt); + + /* now encode as many frames as possible */ + if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) { + /* output resampled raw samples */ + if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) { + av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n"); + exit_program(1); + } + av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL); + + frame_bytes = enc->frame_size * osize * enc->channels; + + while (av_fifo_size(ost->fifo) >= frame_bytes) { + av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL); + encode_audio_frame(s, ost, audio_buf, frame_bytes); + } + } else { + encode_audio_frame(s, ost, buftmp, size_out); + } +} + +static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp) +{ + AVCodecContext *dec; + AVPicture *picture2; + AVPicture picture_tmp; + uint8_t *buf = 0; + + dec = ist->st->codec; + + /* deinterlace : must be done before any resize */ + if (do_deinterlace) { + int size; + + /* create temporary picture */ + size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); + buf = av_malloc(size); + if (!buf) + return; + + picture2 = &picture_tmp; + avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); + + if (avpicture_deinterlace(picture2, picture, + dec->pix_fmt, dec->width, dec->height) < 0) { + /* if error, do not deinterlace */ + av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n"); + av_free(buf); + buf = NULL; + picture2 = picture; + } + } else { + picture2 = picture; + } + + if (picture != picture2) + *picture = *picture2; + *bufp = buf; +} + +static void do_subtitle_out(AVFormatContext *s, + OutputStream *ost, + InputStream *ist, + AVSubtitle *sub, + int64_t pts) +{ + static uint8_t *subtitle_out = NULL; + int subtitle_out_max_size = 1024 * 1024; + int subtitle_out_size, nb, i; + AVCodecContext *enc; + AVPacket pkt; + + if (pts == AV_NOPTS_VALUE) { + av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); + if (exit_on_error) + exit_program(1); + return; + } + + enc = ost->st->codec; + + if (!subtitle_out) { + subtitle_out = av_malloc(subtitle_out_max_size); + } + + /* Note: DVB subtitle need one packet to draw them and one other + packet to clear them */ + /* XXX: signal it in the codec context ? */ + if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) + nb = 2; + else + nb = 1; + + for (i = 0; i < nb; i++) { + ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base); + + sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q); + // start_display_time is required to be 0 + sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); + sub->end_display_time -= sub->start_display_time; + sub->start_display_time = 0; + subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, + subtitle_out_max_size, sub); + if (subtitle_out_size < 0) { + av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); + exit_program(1); + } + + av_init_packet(&pkt); + pkt.data = subtitle_out; + pkt.size = subtitle_out_size; + pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); + if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) { + /* XXX: the pts correction is handled here. Maybe handling + it in the codec would be better */ + if (i == 0) + pkt.pts += 90 * sub->start_display_time; + else + pkt.pts += 90 * sub->end_display_time; + } + write_frame(s, &pkt, ost); + } +} + +static void do_video_resample(OutputStream *ost, + InputStream *ist, + AVFrame *in_picture, + AVFrame **out_picture) +{ +#if CONFIG_AVFILTER + *out_picture = in_picture; +#else + AVCodecContext *dec = ist->st->codec; + AVCodecContext *enc = ost->st->codec; + int resample_changed = ost->resample_width != in_picture->width || + ost->resample_height != in_picture->height || + ost->resample_pix_fmt != in_picture->format; + + *out_picture = in_picture; + if (resample_changed) { + av_log(NULL, AV_LOG_INFO, + "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s / frm size:%dx%d fmt:%s\n", + ist->file_index, ist->st->index, + ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt), + dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt), + in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format)); + ost->resample_width = in_picture->width; + ost->resample_height = in_picture->height; + ost->resample_pix_fmt = in_picture->format; + } + + ost->video_resample = in_picture->width != enc->width || + in_picture->height != enc->height || + in_picture->format != enc->pix_fmt; + + if (ost->video_resample) { + *out_picture = &ost->resample_frame; + if (!ost->img_resample_ctx || resample_changed) { + /* initialize the destination picture */ + if (!ost->resample_frame.data[0]) { + avcodec_get_frame_defaults(&ost->resample_frame); + if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt, + enc->width, enc->height)) { + av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n"); + exit_program(1); + } + } + /* initialize a new scaler context */ + sws_freeContext(ost->img_resample_ctx); + ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format, + enc->width, enc->height, enc->pix_fmt, + ost->sws_flags, NULL, NULL, NULL); + if (ost->img_resample_ctx == NULL) { + av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n"); + exit_program(1); + } + } + sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize, + 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize); + } +#endif +} + +static double psnr(double d) +{ + return -10.0 * log(d) / log(10.0); +} + +static void do_video_stats(AVFormatContext *os, OutputStream *ost, + int frame_size) +{ + AVCodecContext *enc; + int frame_number; + double ti1, bitrate, avg_bitrate; + + /* this is executed just the first time do_video_stats is called */ + if (!vstats_file) { + vstats_file = fopen(vstats_filename, "w"); + if (!vstats_file) { + perror("fopen"); + exit_program(1); + } + } + + enc = ost->st->codec; + if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { + frame_number = ost->frame_number; + fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); + if (enc->flags&CODEC_FLAG_PSNR) + fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); + + fprintf(vstats_file,"f_size= %6d ", frame_size); + /* compute pts value */ + ti1 = ost->sync_opts * av_q2d(enc->time_base); + if (ti1 < 0.01) + ti1 = 0.01; + + bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; + avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; + fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", + (double)video_size / 1024, ti1, bitrate, avg_bitrate); + fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); + } +} + + +static void do_video_out(AVFormatContext *s, OutputStream *ost, + InputStream *ist, AVFrame *in_picture) +{ + int nb_frames, i, ret, format_video_sync; + AVFrame *final_picture; + AVCodecContext *enc; + double sync_ipts; + double duration = 0; + int frame_size = 0; + float quality = same_quant ? in_picture->quality + : ost->st->codec->global_quality; + + enc = ost->st->codec; + + if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) { + duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base)); + if(ist->st->avg_frame_rate.num) + duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate)); + + duration /= av_q2d(enc->time_base); + } + + sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base); + + /* by default, we output a single frame */ + nb_frames = 1; + + format_video_sync = video_sync_method; + if (format_video_sync == VSYNC_AUTO) + format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1; + + if (format_video_sync != VSYNC_PASSTHROUGH && format_video_sync != VSYNC_DROP) { + double vdelta = sync_ipts - ost->sync_opts + duration; + // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c + if (vdelta < -1.1) + nb_frames = 0; + else if (format_video_sync == VSYNC_VFR) { + if (vdelta <= -0.6) { + nb_frames = 0; + } else if (vdelta > 0.6) + ost->sync_opts = lrintf(sync_ipts); + } else if (vdelta > 1.1) + nb_frames = lrintf(vdelta); + if (nb_frames == 0) { + ++nb_frames_drop; + av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); + } else if (nb_frames > 1) { + nb_frames_dup += nb_frames - 1; + av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1); + } + } else + ost->sync_opts = lrintf(sync_ipts); + + nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number); + if (nb_frames <= 0) + return; + + do_video_resample(ost, ist, in_picture, &final_picture); + + /* duplicates frame if needed */ + for (i = 0; i < nb_frames; i++) { + AVPacket pkt; + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + if (s->oformat->flags & AVFMT_RAWPICTURE && + enc->codec->id == CODEC_ID_RAWVIDEO) { + /* raw pictures are written as AVPicture structure to + avoid any copies. We support temporarily the older + method. */ + enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; + enc->coded_frame->top_field_first = in_picture->top_field_first; + pkt.data = (uint8_t *)final_picture; + pkt.size = sizeof(AVPicture); + pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base); + pkt.flags |= AV_PKT_FLAG_KEY; + + write_frame(s, &pkt, ost); + } else { + int got_packet; + AVFrame big_picture; + + big_picture = *final_picture; + /* better than nothing: use input picture interlaced + settings */ + big_picture.interlaced_frame = in_picture->interlaced_frame; + if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) { + if (ost->top_field_first == -1) + big_picture.top_field_first = in_picture->top_field_first; + else + big_picture.top_field_first = !!ost->top_field_first; + } + + /* handles same_quant here. This is not correct because it may + not be a global option */ + big_picture.quality = quality; + if (!enc->me_threshold) + big_picture.pict_type = 0; + big_picture.pts = ost->sync_opts; + if (ost->forced_kf_index < ost->forced_kf_count && + big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) { + big_picture.pict_type = AV_PICTURE_TYPE_I; + ost->forced_kf_index++; + } + ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); + exit_program(1); + } + + if (got_packet) { + if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) + pkt.pts = ost->sync_opts; + + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "encoder -> type:video " + "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", + av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), + av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); + } + + if (format_video_sync == VSYNC_DROP) + pkt.pts = pkt.dts = AV_NOPTS_VALUE; + + write_frame(s, &pkt, ost); + frame_size = pkt.size; + video_size += pkt.size; + + /* if two pass, output log */ + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); + } + } + } + ost->sync_opts++; + /* + * For video, number of frames in == number of packets out. + * But there may be reordering, so we can't throw away frames on encoder + * flush, we need to limit them here, before they go into encoder. + */ + ost->frame_number++; + } + if (vstats_filename && frame_size) + do_video_stats(output_files[ost->file_index].ctx, ost, frame_size); +} + +static void print_report(OutputFile *output_files, + OutputStream *ost_table, int nb_ostreams, + int is_last_report, int64_t timer_start, int64_t cur_time) +{ + char buf[1024]; + OutputStream *ost; + AVFormatContext *oc; + int64_t total_size; + AVCodecContext *enc; + int frame_number, vid, i; + double bitrate; + int64_t pts = INT64_MAX; + static int64_t last_time = -1; + static int qp_histogram[52]; + int hours, mins, secs, us; + + if (!print_stats && !is_last_report) + return; + + if (!is_last_report) { + if (last_time == -1) { + last_time = cur_time; + return; + } + if ((cur_time - last_time) < 500000) + return; + last_time = cur_time; + } + + + oc = output_files[0].ctx; + + total_size = avio_size(oc->pb); + if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too + total_size = avio_tell(oc->pb); + if (total_size < 0) + total_size = 0; + } + + buf[0] = '\0'; + vid = 0; + for (i = 0; i < nb_ostreams; i++) { + float q = -1; + ost = &ost_table[i]; + enc = ost->st->codec; + if (!ost->stream_copy && enc->coded_frame) + q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; + if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); + } + if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { + float t = (cur_time-timer_start) / 1000000.0; + + frame_number = ost->frame_number; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ", + frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q); + if (is_last_report) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); + if (qp_hist) { + int j; + int qp = lrintf(q); + if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) + qp_histogram[qp]++; + for (j = 0; j < 32; j++) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2))); + } + if (enc->flags&CODEC_FLAG_PSNR) { + int j; + double error, error_sum = 0; + double scale, scale_sum = 0; + char type[3] = { 'Y','U','V' }; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); + for (j = 0; j < 3; j++) { + if (is_last_report) { + error = enc->error[j]; + scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; + } else { + error = enc->coded_frame->error[j]; + scale = enc->width * enc->height * 255.0 * 255.0; + } + if (j) + scale /= 4; + error_sum += error; + scale_sum += scale; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale)); + } + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); + } + vid = 1; + } + /* compute min output value */ + pts = FFMIN(pts, av_rescale_q(ost->st->pts.val, + ost->st->time_base, AV_TIME_BASE_Q)); + } + + secs = pts / AV_TIME_BASE; + us = pts % AV_TIME_BASE; + mins = secs / 60; + secs %= 60; + hours = mins / 60; + mins %= 60; + + bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0; + + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "size=%8.0fkB time=", total_size / 1024.0); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "%02d:%02d:%02d.%02d ", hours, mins, secs, + (100 * us) / AV_TIME_BASE); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "bitrate=%6.1fkbits/s", bitrate); + + if (nb_frames_dup || nb_frames_drop) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", + nb_frames_dup, nb_frames_drop); + + av_log(NULL, AV_LOG_INFO, "%s \r", buf); + + fflush(stderr); + + if (is_last_report) { + int64_t raw= audio_size + video_size + extra_size; + av_log(NULL, AV_LOG_INFO, "\n"); + av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n", + video_size / 1024.0, + audio_size / 1024.0, + extra_size / 1024.0, + 100.0 * (total_size - raw) / raw + ); + if(video_size + audio_size + extra_size == 0){ + av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n"); + } + } +} + +static void flush_encoders(OutputStream *ost_table, int nb_ostreams) +{ + int i, ret; + + for (i = 0; i < nb_ostreams; i++) { + OutputStream *ost = &ost_table[i]; + AVCodecContext *enc = ost->st->codec; + AVFormatContext *os = output_files[ost->file_index].ctx; + int stop_encoding = 0; + + if (!ost->encoding_needed) + continue; + + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) + continue; + if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO) + continue; + + for (;;) { + AVPacket pkt; + int fifo_bytes, got_packet; + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + switch (ost->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + fifo_bytes = av_fifo_size(ost->fifo); + if (fifo_bytes > 0) { + /* encode any samples remaining in fifo */ + int frame_bytes = fifo_bytes; + + av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL); + + /* pad last frame with silence if needed */ + if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) { + frame_bytes = enc->frame_size * enc->channels * + av_get_bytes_per_sample(enc->sample_fmt); + if (allocated_audio_buf_size < frame_bytes) + exit_program(1); + generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes); + } + encode_audio_frame(os, ost, audio_buf, frame_bytes); + } else { + /* flush encoder with NULL frames until it is done + returning packets */ + if (encode_audio_frame(os, ost, NULL, 0) == 0) { + stop_encoding = 1; + break; + } + } + break; + case AVMEDIA_TYPE_VIDEO: + ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); + exit_program(1); + } + video_size += pkt.size; + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); + } + if (!got_packet) { + stop_encoding = 1; + break; + } + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + write_frame(os, &pkt, ost); + break; + default: + stop_encoding = 1; + } + if (stop_encoding) + break; + } + } +} + +/* + * Check whether a packet from ist should be written into ost at this time + */ +static int check_output_constraints(InputStream *ist, OutputStream *ost) +{ + OutputFile *of = &output_files[ost->file_index]; + int ist_index = ist - input_streams; + + if (ost->source_index != ist_index) + return 0; + + if (of->start_time && ist->pts < of->start_time) + return 0; + + if (of->recording_time != INT64_MAX && + av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time, + (AVRational){ 1, 1000000 }) >= 0) { + ost->is_past_recording_time = 1; + return 0; + } + + return 1; +} + +static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) +{ + OutputFile *of = &output_files[ost->file_index]; + int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base); + AVPicture pict; + AVPacket opkt; + + av_init_packet(&opkt); + + if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && + !ost->copy_initial_nonkeyframes) + return; + + /* force the input stream PTS */ + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) + audio_size += pkt->size; + else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { + video_size += pkt->size; + ost->sync_opts++; + } + + if (pkt->pts != AV_NOPTS_VALUE) + opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; + else + opkt.pts = AV_NOPTS_VALUE; + + if (pkt->dts == AV_NOPTS_VALUE) + opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base); + else + opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); + opkt.dts -= ost_tb_start_time; + + opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); + opkt.flags = pkt->flags; + + // FIXME remove the following 2 lines they shall be replaced by the bitstream filters + if ( ost->st->codec->codec_id != CODEC_ID_H264 + && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO + && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO + && ost->st->codec->codec_id != CODEC_ID_VC1 + ) { + if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) + opkt.destruct = av_destruct_packet; + } else { + opkt.data = pkt->data; + opkt.size = pkt->size; + } + if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) { + /* store AVPicture in AVPacket, as expected by the output format */ + avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height); + opkt.data = (uint8_t *)&pict; + opkt.size = sizeof(AVPicture); + opkt.flags |= AV_PKT_FLAG_KEY; + } + + write_frame(of->ctx, &opkt, ost); + ost->st->codec->frame_number++; + av_free_packet(&opkt); +} + +static void rate_emu_sleep(InputStream *ist) +{ + if (input_files[ist->file_index].rate_emu) { + int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE); + int64_t now = av_gettime() - ist->start; + if (pts > now) + usleep(pts - now); + } +} + +static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVFrame *decoded_frame; + AVCodecContext *avctx = ist->st->codec; + int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt); + int i, ret; + + if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) + return AVERROR(ENOMEM); + else + avcodec_get_frame_defaults(ist->decoded_frame); + decoded_frame = ist->decoded_frame; + + ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); + if (ret < 0) { + return ret; + } + + if (!*got_output) { + /* no audio frame */ + return ret; + } + + /* if the decoder provides a pts, use it instead of the last packet pts. + the decoder could be delaying output by a packet or more. */ + if (decoded_frame->pts != AV_NOPTS_VALUE) + ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts; + + /* increment next_dts to use for the case where the input stream does not + have timestamps or there are multiple frames in the packet */ + ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / + avctx->sample_rate; + ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / + avctx->sample_rate; + + + // preprocess audio (volume) + if (audio_volume != 256) { + int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps; + void *samples = decoded_frame->data[0]; + switch (avctx->sample_fmt) { + case AV_SAMPLE_FMT_U8: + { + uint8_t *volp = samples; + for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { + int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128; + *volp++ = av_clip_uint8(v); + } + break; + } + case AV_SAMPLE_FMT_S16: + { + int16_t *volp = samples; + for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { + int v = ((*volp) * audio_volume + 128) >> 8; + *volp++ = av_clip_int16(v); + } + break; + } + case AV_SAMPLE_FMT_S32: + { + int32_t *volp = samples; + for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { + int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8); + *volp++ = av_clipl_int32(v); + } + break; + } + case AV_SAMPLE_FMT_FLT: + { + float *volp = samples; + float scale = audio_volume / 256.f; + for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { + *volp++ *= scale; + } + break; + } + case AV_SAMPLE_FMT_DBL: + { + double *volp = samples; + double scale = audio_volume / 256.; + for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { + *volp++ *= scale; + } + break; + } + default: + av_log(NULL, AV_LOG_FATAL, + "Audio volume adjustment on sample format %s is not supported.\n", + av_get_sample_fmt_name(ist->st->codec->sample_fmt)); + exit_program(1); + } + } + + rate_emu_sleep(ist); + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = &output_streams[i]; + + if (!check_output_constraints(ist, ost) || !ost->encoding_needed) + continue; + do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame); + } + + return ret; +} + +static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts) +{ + AVFrame *decoded_frame; + void *buffer_to_free = NULL; + int i, ret = 0; + int64_t *best_effort_timestamp; + AVRational *frame_sample_aspect; + + if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) + return AVERROR(ENOMEM); + else + avcodec_get_frame_defaults(ist->decoded_frame); + decoded_frame = ist->decoded_frame; + pkt->pts = *pkt_pts; + pkt->dts = ist->dts; + *pkt_pts = AV_NOPTS_VALUE; + + ret = avcodec_decode_video2(ist->st->codec, + decoded_frame, got_output, pkt); + if (ret < 0) + return ret; + + if (!*got_output) { + /* no picture yet */ + return ret; + } + + best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp"); + if(*best_effort_timestamp != AV_NOPTS_VALUE) + ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp; + + pkt->size = 0; + + pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free); + +#if CONFIG_AVFILTER + frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio"); + for(i=0;i<nb_output_streams;i++) { + OutputStream *ost = ost = &output_streams[i]; + if(check_output_constraints(ist, ost) && ost->encoding_needed){ + if (!frame_sample_aspect->num) + *frame_sample_aspect = ist->st->sample_aspect_ratio; + decoded_frame->pts = ist->pts; + if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) { + FrameBuffer *buf = decoded_frame->opaque; + AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays( + decoded_frame->data, decoded_frame->linesize, + AV_PERM_READ | AV_PERM_PRESERVE, + ist->st->codec->width, ist->st->codec->height, + ist->st->codec->pix_fmt); + + avfilter_copy_frame_props(fb, decoded_frame); + fb->buf->priv = buf; + fb->buf->free = filter_release_buffer; + + buf->refcount++; + av_buffersrc_buffer(ost->input_video_filter, fb); + } else + if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){ + av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n"); + exit_program(1); + } + } + } +#endif + + rate_emu_sleep(ist); + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = &output_streams[i]; + + if (!check_output_constraints(ist, ost) || !ost->encoding_needed) + continue; + +#if CONFIG_AVFILTER + while (av_buffersink_poll_frame(ost->output_video_filter)) { + AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base; + AVFrame *filtered_frame; + + if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){ + av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n"); + goto cont; + } + if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) { + ret = AVERROR(ENOMEM); + goto end; + } + filtered_frame = ist->filtered_frame; + *filtered_frame= *decoded_frame; //for me_threshold + avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref); + filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q); + if (ost->picref->video && !ost->frame_aspect_ratio) + ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio; + do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame); + cont: + avfilter_unref_buffer(ost->picref); + } +#else + do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame); +#endif + } + +end: + av_free(buffer_to_free); + return ret; +} + +static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVSubtitle subtitle; + int i, ret = avcodec_decode_subtitle2(ist->st->codec, + &subtitle, got_output, pkt); + if (ret < 0) + return ret; + if (!*got_output) + return ret; + + rate_emu_sleep(ist); + + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = &output_streams[i]; + + if (!check_output_constraints(ist, ost) || !ost->encoding_needed) + continue; + + do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts); + } + + avsubtitle_free(&subtitle); + return ret; +} + +/* pkt = NULL means EOF (needed to flush decoder buffers) */ +static int output_packet(InputStream *ist, + OutputStream *ost_table, int nb_ostreams, + const AVPacket *pkt) +{ + int ret = 0, i; + int got_output; + int64_t pkt_pts = AV_NOPTS_VALUE; + + AVPacket avpkt; + + if (ist->next_dts == AV_NOPTS_VALUE) + ist->next_dts = ist->dts; + if (ist->next_pts == AV_NOPTS_VALUE) + ist->next_pts = ist->pts; + + if (pkt == NULL) { + /* EOF handling */ + av_init_packet(&avpkt); + avpkt.data = NULL; + avpkt.size = 0; + goto handle_eof; + } else { + avpkt = *pkt; + } + + if (pkt->dts != AV_NOPTS_VALUE) { + ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); + if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed) + ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); + } + if(pkt->pts != AV_NOPTS_VALUE) + pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); + + // while we have more to decode or while the decoder did output something on EOF + while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { + int duration; + handle_eof: + + ist->pts = ist->next_pts; + ist->dts = ist->next_dts; + + if (avpkt.size && avpkt.size != pkt->size) { + av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, + "Multiple frames in a packet from stream %d\n", pkt->stream_index); + ist->showed_multi_packet_warning = 1; + } + + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ret = transcode_audio (ist, &avpkt, &got_output); + break; + case AVMEDIA_TYPE_VIDEO: + ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts); + if (avpkt.duration) { + duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); + } else if(ist->st->codec->time_base.num != 0) { + int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; + duration = ((int64_t)AV_TIME_BASE * + ist->st->codec->time_base.num * ticks) / + ist->st->codec->time_base.den; + } else + duration = 0; + + if(ist->dts != AV_NOPTS_VALUE && duration) { + ist->next_dts += duration; + }else + ist->next_dts = AV_NOPTS_VALUE; + + if (got_output) + ist->next_pts += duration; //FIXME the duration is not correct in some cases + break; + case AVMEDIA_TYPE_SUBTITLE: + ret = transcode_subtitles(ist, &avpkt, &got_output); + break; + default: + return -1; + } + + if (ret < 0) + return ret; + + avpkt.dts= + avpkt.pts= AV_NOPTS_VALUE; + + // touch data and size only if not EOF + if (pkt) { + if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO) + ret = avpkt.size; + avpkt.data += ret; + avpkt.size -= ret; + } + if (!got_output) { + continue; + } + } + + /* handle stream copy */ + if (!ist->decoding_needed) { + rate_emu_sleep(ist); + ist->dts = ist->next_dts; + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / + ist->st->codec->sample_rate; + break; + case AVMEDIA_TYPE_VIDEO: + if (pkt->duration) { + ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q); + } else if(ist->st->codec->time_base.num != 0) { + int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame; + ist->next_dts += ((int64_t)AV_TIME_BASE * + ist->st->codec->time_base.num * ticks) / + ist->st->codec->time_base.den; + } + break; + } + ist->pts = ist->dts; + ist->next_pts = ist->next_dts; + } + for (i = 0; pkt && i < nb_ostreams; i++) { + OutputStream *ost = &ost_table[i]; + + if (!check_output_constraints(ist, ost) || ost->encoding_needed) + continue; + + do_streamcopy(ist, ost, pkt); + } + + return 0; +} + +static void print_sdp(OutputFile *output_files, int n) +{ + char sdp[2048]; + int i; + AVFormatContext **avc = av_malloc(sizeof(*avc) * n); + + if (!avc) + exit_program(1); + for (i = 0; i < n; i++) + avc[i] = output_files[i].ctx; + + av_sdp_create(avc, n, sdp, sizeof(sdp)); + printf("SDP:\n%s\n", sdp); + fflush(stdout); + av_freep(&avc); +} + +static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams, + char *error, int error_len) +{ + InputStream *ist = &input_streams[ist_index]; + if (ist->decoding_needed) { + AVCodec *codec = ist->dec; + if (!codec) { + snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d", + avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index); + return AVERROR(EINVAL); + } + + ist->dr1 = codec->capabilities & CODEC_CAP_DR1; + if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) { + ist->st->codec->get_buffer = codec_get_buffer; + ist->st->codec->release_buffer = codec_release_buffer; + ist->st->codec->opaque = ist; + } + + if (!av_dict_get(ist->opts, "threads", NULL, 0)) + av_dict_set(&ist->opts, "threads", "auto", 0); + if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) { + snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d", + ist->file_index, ist->st->index); + return AVERROR(EINVAL); + } + assert_codec_experimental(ist->st->codec, 0); + assert_avoptions(ist->opts); + } + + ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; + ist->next_pts = AV_NOPTS_VALUE; + ist->next_dts = AV_NOPTS_VALUE; + ist->is_start = 1; + + return 0; +} + +static int transcode_init(OutputFile *output_files, int nb_output_files, + InputFile *input_files, int nb_input_files) +{ + int ret = 0, i, j, k; + AVFormatContext *oc; + AVCodecContext *codec, *icodec; + OutputStream *ost; + InputStream *ist; + char error[1024]; + int want_sdp = 1; + + /* init framerate emulation */ + for (i = 0; i < nb_input_files; i++) { + InputFile *ifile = &input_files[i]; + if (ifile->rate_emu) + for (j = 0; j < ifile->nb_streams; j++) + input_streams[j + ifile->ist_index].start = av_gettime(); + } + + /* output stream init */ + for (i = 0; i < nb_output_files; i++) { + oc = output_files[i].ctx; + if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { + av_dump_format(oc, i, oc->filename, 1); + av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); + return AVERROR(EINVAL); + } + } + + /* for each output stream, we compute the right encoding parameters */ + for (i = 0; i < nb_output_streams; i++) { + ost = &output_streams[i]; + oc = output_files[ost->file_index].ctx; + ist = &input_streams[ost->source_index]; + + if (ost->attachment_filename) + continue; + + codec = ost->st->codec; + icodec = ist->st->codec; + + ost->st->disposition = ist->st->disposition; + codec->bits_per_raw_sample = icodec->bits_per_raw_sample; + codec->chroma_sample_location = icodec->chroma_sample_location; + + if (ost->stream_copy) { + uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; + + if (extra_size > INT_MAX) { + return AVERROR(EINVAL); + } + + /* if stream_copy is selected, no need to decode or encode */ + codec->codec_id = icodec->codec_id; + codec->codec_type = icodec->codec_type; + + if (!codec->codec_tag) { + if (!oc->oformat->codec_tag || + av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || + av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0) + codec->codec_tag = icodec->codec_tag; + } + + codec->bit_rate = icodec->bit_rate; + codec->rc_max_rate = icodec->rc_max_rate; + codec->rc_buffer_size = icodec->rc_buffer_size; + codec->field_order = icodec->field_order; + codec->extradata = av_mallocz(extra_size); + if (!codec->extradata) { + return AVERROR(ENOMEM); + } + memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); + codec->extradata_size= icodec->extradata_size; + + codec->time_base = ist->st->time_base; + /* + * Avi is a special case here because it supports variable fps but + * having the fps and timebase differe significantly adds quite some + * overhead + */ + if(!strcmp(oc->oformat->name, "avi")) { + if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) + && av_q2d(ist->st->time_base) < 1.0/500 + || copy_tb==0){ + codec->time_base = icodec->time_base; + codec->time_base.num *= icodec->ticks_per_frame; + codec->time_base.den *= 2; + } + } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS) + && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp") + && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod") + ) { + if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) + && av_q2d(ist->st->time_base) < 1.0/500 + || copy_tb==0){ + codec->time_base = icodec->time_base; + codec->time_base.num *= icodec->ticks_per_frame; + } + } + av_reduce(&codec->time_base.num, &codec->time_base.den, + codec->time_base.num, codec->time_base.den, INT_MAX); + + switch (codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + if (audio_volume != 256) { + av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); + exit_program(1); + } + codec->channel_layout = icodec->channel_layout; + codec->sample_rate = icodec->sample_rate; + codec->channels = icodec->channels; + codec->frame_size = icodec->frame_size; + codec->audio_service_type = icodec->audio_service_type; + codec->block_align = icodec->block_align; + break; + case AVMEDIA_TYPE_VIDEO: + codec->pix_fmt = icodec->pix_fmt; + codec->width = icodec->width; + codec->height = icodec->height; + codec->has_b_frames = icodec->has_b_frames; + if (!codec->sample_aspect_ratio.num) { + codec->sample_aspect_ratio = + ost->st->sample_aspect_ratio = + ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : + ist->st->codec->sample_aspect_ratio.num ? + ist->st->codec->sample_aspect_ratio : (AVRational){0, 1}; + } + ost->st->avg_frame_rate = ist->st->avg_frame_rate; + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->width = icodec->width; + codec->height = icodec->height; + break; + case AVMEDIA_TYPE_DATA: + case AVMEDIA_TYPE_ATTACHMENT: + break; + default: + abort(); + } + } else { + if (!ost->enc) + ost->enc = avcodec_find_encoder(codec->codec_id); + + ist->decoding_needed = 1; + ost->encoding_needed = 1; + + switch (codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ost->fifo = av_fifo_alloc(1024); + if (!ost->fifo) { + return AVERROR(ENOMEM); + } + if (!codec->sample_rate) + codec->sample_rate = icodec->sample_rate; + choose_sample_rate(ost->st, ost->enc); + codec->time_base = (AVRational){ 1, codec->sample_rate }; + + if (codec->sample_fmt == AV_SAMPLE_FMT_NONE) + codec->sample_fmt = icodec->sample_fmt; + choose_sample_fmt(ost->st, ost->enc); + + if (ost->audio_channels_mapped) { + /* the requested output channel is set to the number of + * -map_channel only if no -ac are specified */ + if (!codec->channels) { + codec->channels = ost->audio_channels_mapped; + codec->channel_layout = av_get_default_channel_layout(codec->channels); + if (!codec->channel_layout) { + av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n"); + exit_program(1); + } + } + /* fill unused channel mapping with -1 (which means a muted + * channel in case the number of output channels is bigger + * than the number of mapped channel) */ + for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++) + ost->audio_channels_map[j] = -1; + } else if (!codec->channels) { + codec->channels = icodec->channels; + codec->channel_layout = icodec->channel_layout; + } + if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels) + codec->channel_layout = 0; + + ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1; + ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt + || codec->channel_layout != icodec->channel_layout; + icodec->request_channels = codec->channels; + ost->resample_sample_fmt = icodec->sample_fmt; + ost->resample_sample_rate = icodec->sample_rate; + ost->resample_channels = icodec->channels; + break; + case AVMEDIA_TYPE_VIDEO: + if (codec->pix_fmt == PIX_FMT_NONE) + codec->pix_fmt = icodec->pix_fmt; + choose_pixel_fmt(ost->st, ost->enc); + + if (ost->st->codec->pix_fmt == PIX_FMT_NONE) { + av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n"); + exit_program(1); + } + + if (!codec->width || !codec->height) { + codec->width = icodec->width; + codec->height = icodec->height; + } + + ost->video_resample = codec->width != icodec->width || + codec->height != icodec->height || + codec->pix_fmt != icodec->pix_fmt; + if (ost->video_resample) { + codec->bits_per_raw_sample = frame_bits_per_raw_sample; + } + + ost->resample_height = icodec->height; + ost->resample_width = icodec->width; + ost->resample_pix_fmt = icodec->pix_fmt; + + if (!ost->frame_rate.num) + ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 }; + if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { + int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); + ost->frame_rate = ost->enc->supported_framerates[idx]; + } + codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num}; + if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH + && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){ + av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n" + "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n"); + } + for (j = 0; j < ost->forced_kf_count; j++) + ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j], + AV_TIME_BASE_Q, + codec->time_base); + +#if CONFIG_AVFILTER + if (configure_video_filters(ist, ost)) { + av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); + exit_program(1); + } +#endif + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->time_base = (AVRational){1, 1000}; + break; + default: + abort(); + break; + } + /* two pass mode */ + if (codec->codec_id != CODEC_ID_H264 && + (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) { + char logfilename[1024]; + FILE *f; + + snprintf(logfilename, sizeof(logfilename), "%s-%d.log", + pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX, + i); + if (codec->flags & CODEC_FLAG_PASS2) { + char *logbuffer; + size_t logbuffer_size; + if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", + logfilename); + exit_program(1); + } + codec->stats_in = logbuffer; + } + if (codec->flags & CODEC_FLAG_PASS1) { + f = fopen(logfilename, "wb"); + if (!f) { + av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", + logfilename, strerror(errno)); + exit_program(1); + } + ost->logfile = f; + } + } + } + } + + /* open each encoder */ + for (i = 0; i < nb_output_streams; i++) { + ost = &output_streams[i]; + if (ost->encoding_needed) { + AVCodec *codec = ost->enc; + AVCodecContext *dec = input_streams[ost->source_index].st->codec; + if (!codec) { + snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d", + avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index); + ret = AVERROR(EINVAL); + goto dump_format; + } + if (dec->subtitle_header) { + ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size); + if (!ost->st->codec->subtitle_header) { + ret = AVERROR(ENOMEM); + goto dump_format; + } + memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); + ost->st->codec->subtitle_header_size = dec->subtitle_header_size; + } + if (!av_dict_get(ost->opts, "threads", NULL, 0)) + av_dict_set(&ost->opts, "threads", "auto", 0); + if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) { + snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", + ost->file_index, ost->index); + ret = AVERROR(EINVAL); + goto dump_format; + } + assert_codec_experimental(ost->st->codec, 1); + assert_avoptions(ost->opts); + if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000) + av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." + " It takes bits/s as argument, not kbits/s\n"); + extra_size += ost->st->codec->extradata_size; + + if (ost->st->codec->me_threshold) + input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV; + } + } + + /* init input streams */ + for (i = 0; i < nb_input_streams; i++) + if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0) + goto dump_format; + + /* discard unused programs */ + for (i = 0; i < nb_input_files; i++) { + InputFile *ifile = &input_files[i]; + for (j = 0; j < ifile->ctx->nb_programs; j++) { + AVProgram *p = ifile->ctx->programs[j]; + int discard = AVDISCARD_ALL; + + for (k = 0; k < p->nb_stream_indexes; k++) + if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) { + discard = AVDISCARD_DEFAULT; + break; + } + p->discard = discard; + } + } + + /* open files and write file headers */ + for (i = 0; i < nb_output_files; i++) { + oc = output_files[i].ctx; + oc->interrupt_callback = int_cb; + if (avformat_write_header(oc, &output_files[i].opts) < 0) { + snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i); + ret = AVERROR(EINVAL); + goto dump_format; + } +// assert_avoptions(output_files[i].opts); + if (strcmp(oc->oformat->name, "rtp")) { + want_sdp = 0; + } + } + + dump_format: + /* dump the file output parameters - cannot be done before in case + of stream copy */ + for (i = 0; i < nb_output_files; i++) { + av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1); + } + + /* dump the stream mapping */ + av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); + for (i = 0; i < nb_output_streams; i++) { + ost = &output_streams[i]; + + if (ost->attachment_filename) { + /* an attached file */ + av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", + ost->attachment_filename, ost->file_index, ost->index); + continue; + } + av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", + input_streams[ost->source_index].file_index, + input_streams[ost->source_index].st->index, + ost->file_index, + ost->index); + if (ost->audio_channels_mapped) { + av_log(NULL, AV_LOG_INFO, " [ch:"); + for (j = 0; j < ost->audio_channels_mapped; j++) + if (ost->audio_channels_map[j] == -1) + av_log(NULL, AV_LOG_INFO, " M"); + else + av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]); + av_log(NULL, AV_LOG_INFO, "]"); + } + if (ost->sync_ist != &input_streams[ost->source_index]) + av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", + ost->sync_ist->file_index, + ost->sync_ist->st->index); + if (ost->stream_copy) + av_log(NULL, AV_LOG_INFO, " (copy)"); + else + av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ? + input_streams[ost->source_index].dec->name : "?", + ost->enc ? ost->enc->name : "?"); + av_log(NULL, AV_LOG_INFO, "\n"); + } + + if (ret) { + av_log(NULL, AV_LOG_ERROR, "%s\n", error); + return ret; + } + + if (want_sdp) { + print_sdp(output_files, nb_output_files); + } + + return 0; +} + +/* + * The following code is the main loop of the file converter + */ +static int transcode(OutputFile *output_files, int nb_output_files, + InputFile *input_files, int nb_input_files) +{ + int ret, i; + AVFormatContext *is, *os; + OutputStream *ost; + InputStream *ist; + uint8_t *no_packet; + int no_packet_count = 0; + int64_t timer_start; + int key; + + if (!(no_packet = av_mallocz(nb_input_files))) + exit_program(1); + + ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files); + if (ret < 0) + goto fail; + + if (!using_stdin) { + av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n"); + } + + timer_start = av_gettime(); + + for (; received_sigterm == 0;) { + int file_index, ist_index; + AVPacket pkt; + int64_t ipts_min; + double opts_min; + int64_t cur_time= av_gettime(); + + ipts_min = INT64_MAX; + opts_min = 1e100; + /* if 'q' pressed, exits */ + if (!using_stdin) { + static int64_t last_time; + if (received_nb_signals) + break; + /* read_key() returns 0 on EOF */ + if(cur_time - last_time >= 100000 && !run_as_daemon){ + key = read_key(); + last_time = cur_time; + }else + key = -1; + if (key == 'q') + break; + if (key == '+') av_log_set_level(av_log_get_level()+10); + if (key == '-') av_log_set_level(av_log_get_level()-10); + if (key == 's') qp_hist ^= 1; + if (key == 'h'){ + if (do_hex_dump){ + do_hex_dump = do_pkt_dump = 0; + } else if(do_pkt_dump){ + do_hex_dump = 1; + } else + do_pkt_dump = 1; + av_log_set_level(AV_LOG_DEBUG); + } +#if CONFIG_AVFILTER + if (key == 'c' || key == 'C'){ + char buf[4096], target[64], command[256], arg[256] = {0}; + double time; + int k, n = 0; + fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n"); + i = 0; + while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1) + if (k > 0) + buf[i++] = k; + buf[i] = 0; + if (k > 0 && + (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) { + av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s", + target, time, command, arg); + for (i = 0; i < nb_output_streams; i++) { + ost = &output_streams[i]; + if (ost->graph) { + if (time < 0) { + ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf), + key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0); + fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf); + } else { + ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time); + } + } + } + } else { + av_log(NULL, AV_LOG_ERROR, + "Parse error, at least 3 arguments were expected, " + "only %d given in string '%s'\n", n, buf); + } + } +#endif + if (key == 'd' || key == 'D'){ + int debug=0; + if(key == 'D') { + debug = input_streams[0].st->codec->debug<<1; + if(!debug) debug = 1; + while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash + debug += debug; + }else + if(scanf("%d", &debug)!=1) + fprintf(stderr,"error parsing debug value\n"); + for(i=0;i<nb_input_streams;i++) { + input_streams[i].st->codec->debug = debug; + } + for(i=0;i<nb_output_streams;i++) { + ost = &output_streams[i]; + ost->st->codec->debug = debug; + } + if(debug) av_log_set_level(AV_LOG_DEBUG); + fprintf(stderr,"debug=%d\n", debug); + } + if (key == '?'){ + fprintf(stderr, "key function\n" + "? show this help\n" + "+ increase verbosity\n" + "- decrease verbosity\n" + "c Send command to filtergraph\n" + "D cycle through available debug modes\n" + "h dump packets/hex press to cycle through the 3 states\n" + "q quit\n" + "s Show QP histogram\n" + ); + } + } + + /* select the stream that we must read now by looking at the + smallest output pts */ + file_index = -1; + for (i = 0; i < nb_output_streams; i++) { + OutputFile *of; + int64_t ipts; + double opts; + ost = &output_streams[i]; + of = &output_files[ost->file_index]; + os = output_files[ost->file_index].ctx; + ist = &input_streams[ost->source_index]; + if (ost->is_past_recording_time || no_packet[ist->file_index] || + (os->pb && avio_tell(os->pb) >= of->limit_filesize)) + continue; + opts = ost->st->pts.val * av_q2d(ost->st->time_base); + ipts = ist->pts; + if (!input_files[ist->file_index].eof_reached) { + if (ipts < ipts_min) { + ipts_min = ipts; + if (input_sync) + file_index = ist->file_index; + } + if (opts < opts_min) { + opts_min = opts; + if (!input_sync) file_index = ist->file_index; + } + } + if (ost->frame_number >= ost->max_frames) { + int j; + for (j = 0; j < of->ctx->nb_streams; j++) + output_streams[of->ost_index + j].is_past_recording_time = 1; + continue; + } + } + /* if none, if is finished */ + if (file_index < 0) { + if (no_packet_count) { + no_packet_count = 0; + memset(no_packet, 0, nb_input_files); + usleep(10000); + continue; + } + break; + } + + /* read a frame from it and output it in the fifo */ + is = input_files[file_index].ctx; + ret = av_read_frame(is, &pkt); + if (ret == AVERROR(EAGAIN)) { + no_packet[file_index] = 1; + no_packet_count++; + continue; + } + if (ret < 0) { + input_files[file_index].eof_reached = 1; + if (opt_shortest) + break; + else + continue; + } + + no_packet_count = 0; + memset(no_packet, 0, nb_input_files); + + if (do_pkt_dump) { + av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, + is->streams[pkt.stream_index]); + } + /* the following test is needed in case new streams appear + dynamically in stream : we ignore them */ + if (pkt.stream_index >= input_files[file_index].nb_streams) + goto discard_packet; + ist_index = input_files[file_index].ist_index + pkt.stream_index; + ist = &input_streams[ist_index]; + if (ist->discard) + goto discard_packet; + + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base); + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base); + + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts *= ist->ts_scale; + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts *= ist->ts_scale; + + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s " + "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n", + ist_index, av_get_media_type_string(ist->st->codec->codec_type), + av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base), + av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), + av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), + input_files[ist->file_index].ts_offset); + } + + if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) { + int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); + int64_t delta = pkt_dts - ist->next_dts; + if (is->iformat->flags & AVFMT_TS_DISCONT) { + if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE || + (delta > 1LL*dts_delta_threshold*AV_TIME_BASE && + ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) || + pkt_dts+1<ist->pts){ + input_files[ist->file_index].ts_offset -= delta; + av_log(NULL, AV_LOG_DEBUG, + "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", + delta, input_files[ist->file_index].ts_offset); + pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); + } + } else { + if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || + (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) || + pkt_dts+1<ist->pts){ + av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index); + pkt.dts = AV_NOPTS_VALUE; + } + if (pkt.pts != AV_NOPTS_VALUE){ + int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q); + delta = pkt_pts - ist->next_dts; + if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || + (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) { + av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index); + pkt.pts = AV_NOPTS_VALUE; + } + } + } + } + + // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size); + if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) { + + av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n", + ist->file_index, ist->st->index); + if (exit_on_error) + exit_program(1); + av_free_packet(&pkt); + continue; + } + + discard_packet: + av_free_packet(&pkt); + + /* dump report by using the output first video and audio streams */ + print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time); + } + + /* at the end of stream, we must flush the decoder buffers */ + for (i = 0; i < nb_input_streams; i++) { + ist = &input_streams[i]; + if (ist->decoding_needed) { + output_packet(ist, output_streams, nb_output_streams, NULL); + } + } + flush_encoders(output_streams, nb_output_streams); + + term_exit(); + + /* write the trailer if needed and close file */ + for (i = 0; i < nb_output_files; i++) { + os = output_files[i].ctx; + av_write_trailer(os); + } + + /* dump report by using the first video and audio streams */ + print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime()); + + /* close each encoder */ + for (i = 0; i < nb_output_streams; i++) { + ost = &output_streams[i]; + if (ost->encoding_needed) { + av_freep(&ost->st->codec->stats_in); + avcodec_close(ost->st->codec); + } +#if CONFIG_AVFILTER + avfilter_graph_free(&ost->graph); +#endif + } + + /* close each decoder */ + for (i = 0; i < nb_input_streams; i++) { + ist = &input_streams[i]; + if (ist->decoding_needed) { + avcodec_close(ist->st->codec); + } + } + + /* finished ! */ + ret = 0; + + fail: + av_freep(&no_packet); + + if (output_streams) { + for (i = 0; i < nb_output_streams; i++) { + ost = &output_streams[i]; + if (ost) { + if (ost->stream_copy) + av_freep(&ost->st->codec->extradata); + if (ost->logfile) { + fclose(ost->logfile); + ost->logfile = NULL; + } + av_fifo_free(ost->fifo); /* works even if fifo is not + initialized but set to zero */ + av_freep(&ost->st->codec->subtitle_header); + av_free(ost->resample_frame.data[0]); + av_free(ost->forced_kf_pts); + if (ost->video_resample) + sws_freeContext(ost->img_resample_ctx); + swr_free(&ost->swr); + av_dict_free(&ost->opts); + } + } + } + return ret; +} + +static int opt_frame_crop(const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt); + return AVERROR(EINVAL); +} + +static int opt_pad(const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt); + return -1; +} + +static int opt_video_channel(const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n"); + return opt_default("channel", arg); +} + +static int opt_video_standard(const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n"); + return opt_default("standard", arg); +} + +static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg) +{ + audio_codec_name = arg; + return parse_option(o, "codec:a", arg, options); +} + +static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg) +{ + video_codec_name = arg; + return parse_option(o, "codec:v", arg, options); +} + +static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg) +{ + subtitle_codec_name = arg; + return parse_option(o, "codec:s", arg, options); +} + +static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "codec:d", arg, options); +} + +static int opt_map(OptionsContext *o, const char *opt, const char *arg) +{ + StreamMap *m = NULL; + int i, negative = 0, file_idx; + int sync_file_idx = -1, sync_stream_idx = 0; + char *p, *sync; + char *map; + + if (*arg == '-') { + negative = 1; + arg++; + } + map = av_strdup(arg); + + /* parse sync stream first, just pick first matching stream */ + if (sync = strchr(map, ',')) { + *sync = 0; + sync_file_idx = strtol(sync + 1, &sync, 0); + if (sync_file_idx >= nb_input_files || sync_file_idx < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx); + exit_program(1); + } + if (*sync) + sync++; + for (i = 0; i < input_files[sync_file_idx].nb_streams; i++) + if (check_stream_specifier(input_files[sync_file_idx].ctx, + input_files[sync_file_idx].ctx->streams[i], sync) == 1) { + sync_stream_idx = i; + break; + } + if (i == input_files[sync_file_idx].nb_streams) { + av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not " + "match any streams.\n", arg); + exit_program(1); + } + } + + + file_idx = strtol(map, &p, 0); + if (file_idx >= nb_input_files || file_idx < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx); + exit_program(1); + } + if (negative) + /* disable some already defined maps */ + for (i = 0; i < o->nb_stream_maps; i++) { + m = &o->stream_maps[i]; + if (file_idx == m->file_index && + check_stream_specifier(input_files[m->file_index].ctx, + input_files[m->file_index].ctx->streams[m->stream_index], + *p == ':' ? p + 1 : p) > 0) + m->disabled = 1; + } + else + for (i = 0; i < input_files[file_idx].nb_streams; i++) { + if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i], + *p == ':' ? p + 1 : p) <= 0) + continue; + o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps), + &o->nb_stream_maps, o->nb_stream_maps + 1); + m = &o->stream_maps[o->nb_stream_maps - 1]; + + m->file_index = file_idx; + m->stream_index = i; + + if (sync_file_idx >= 0) { + m->sync_file_index = sync_file_idx; + m->sync_stream_index = sync_stream_idx; + } else { + m->sync_file_index = file_idx; + m->sync_stream_index = i; + } + } + + if (!m) { + av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg); + exit_program(1); + } + + av_freep(&map); + return 0; +} + +static int opt_attach(OptionsContext *o, const char *opt, const char *arg) +{ + o->attachments = grow_array(o->attachments, sizeof(*o->attachments), + &o->nb_attachments, o->nb_attachments + 1); + o->attachments[o->nb_attachments - 1] = arg; + return 0; +} + +static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg) +{ + int n; + AVStream *st; + AudioChannelMap *m; + + o->audio_channel_maps = + grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps), + &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1); + m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1]; + + /* muted channel syntax */ + n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx); + if ((n == 1 || n == 3) && m->channel_idx == -1) { + m->file_idx = m->stream_idx = -1; + if (n == 1) + m->ofile_idx = m->ostream_idx = -1; + return 0; + } + + /* normal syntax */ + n = sscanf(arg, "%d.%d.%d:%d.%d", + &m->file_idx, &m->stream_idx, &m->channel_idx, + &m->ofile_idx, &m->ostream_idx); + + if (n != 3 && n != 5) { + av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: " + "[file.stream.channel|-1][:syncfile:syncstream]\n"); + exit_program(1); + } + + if (n != 5) // only file.stream.channel specified + m->ofile_idx = m->ostream_idx = -1; + + /* check input */ + if (m->file_idx < 0 || m->file_idx >= nb_input_files) { + av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n", + m->file_idx); + exit_program(1); + } + if (m->stream_idx < 0 || + m->stream_idx >= input_files[m->file_idx].nb_streams) { + av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n", + m->file_idx, m->stream_idx); + exit_program(1); + } + st = input_files[m->file_idx].ctx->streams[m->stream_idx]; + if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) { + av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n", + m->file_idx, m->stream_idx); + exit_program(1); + } + if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) { + av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n", + m->file_idx, m->stream_idx, m->channel_idx); + exit_program(1); + } + return 0; +} + +/** + * Parse a metadata specifier in arg. + * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram) + * @param index for type c/p, chapter/program index is written here + * @param stream_spec for type s, the stream specifier is written here + */ +static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec) +{ + if (*arg) { + *type = *arg; + switch (*arg) { + case 'g': + break; + case 's': + if (*(++arg) && *arg != ':') { + av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg); + exit_program(1); + } + *stream_spec = *arg == ':' ? arg + 1 : ""; + break; + case 'c': + case 'p': + if (*(++arg) == ':') + *index = strtol(++arg, NULL, 0); + break; + default: + av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg); + exit_program(1); + } + } else + *type = 'g'; +} + +static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o) +{ + AVDictionary **meta_in = NULL; + AVDictionary **meta_out = NULL; + int i, ret = 0; + char type_in, type_out; + const char *istream_spec = NULL, *ostream_spec = NULL; + int idx_in = 0, idx_out = 0; + + parse_meta_type(inspec, &type_in, &idx_in, &istream_spec); + parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec); + + if (type_in == 'g' || type_out == 'g') + o->metadata_global_manual = 1; + if (type_in == 's' || type_out == 's') + o->metadata_streams_manual = 1; + if (type_in == 'c' || type_out == 'c') + o->metadata_chapters_manual = 1; + +#define METADATA_CHECK_INDEX(index, nb_elems, desc)\ + if ((index) < 0 || (index) >= (nb_elems)) {\ + av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\ + (desc), (index));\ + exit_program(1);\ + } + +#define SET_DICT(type, meta, context, index)\ + switch (type) {\ + case 'g':\ + meta = &context->metadata;\ + break;\ + case 'c':\ + METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\ + meta = &context->chapters[index]->metadata;\ + break;\ + case 'p':\ + METADATA_CHECK_INDEX(index, context->nb_programs, "program")\ + meta = &context->programs[index]->metadata;\ + break;\ + }\ + + SET_DICT(type_in, meta_in, ic, idx_in); + SET_DICT(type_out, meta_out, oc, idx_out); + + /* for input streams choose first matching stream */ + if (type_in == 's') { + for (i = 0; i < ic->nb_streams; i++) { + if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) { + meta_in = &ic->streams[i]->metadata; + break; + } else if (ret < 0) + exit_program(1); + } + if (!meta_in) { + av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec); + exit_program(1); + } + } + + if (type_out == 's') { + for (i = 0; i < oc->nb_streams; i++) { + if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) { + meta_out = &oc->streams[i]->metadata; + av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); + } else if (ret < 0) + exit_program(1); + } + } else + av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); + + return 0; +} + +static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg) +{ + char buf[128]; + int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6; + struct tm time = *gmtime((time_t*)&recording_timestamp); + strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time); + parse_option(o, "metadata", buf, options); + + av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata " + "tag instead.\n", opt); + return 0; +} + +static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) +{ + const char *codec_string = encoder ? "encoder" : "decoder"; + AVCodec *codec; + + codec = encoder ? + avcodec_find_encoder_by_name(name) : + avcodec_find_decoder_by_name(name); + if (!codec) { + av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); + exit_program(1); + } + if (codec->type != type) { + av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); + exit_program(1); + } + return codec; +} + +static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st) +{ + char *codec_name = NULL; + + MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); + if (codec_name) { + AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0); + st->codec->codec_id = codec->id; + return codec; + } else + return avcodec_find_decoder(st->codec->codec_id); +} + +/** + * Add all the streams from the given input file to the global + * list of input streams. + */ +static void add_input_streams(OptionsContext *o, AVFormatContext *ic) +{ + int i; + char *next, *codec_tag = NULL; + + for (i = 0; i < ic->nb_streams; i++) { + AVStream *st = ic->streams[i]; + AVCodecContext *dec = st->codec; + InputStream *ist; + + input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1); + ist = &input_streams[nb_input_streams - 1]; + ist->st = st; + ist->file_index = nb_input_files; + ist->discard = 1; + ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st); + + ist->ts_scale = 1.0; + MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); + + MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st); + if (codec_tag) { + uint32_t tag = strtol(codec_tag, &next, 0); + if (*next) + tag = AV_RL32(codec_tag); + st->codec->codec_tag = tag; + } + + ist->dec = choose_decoder(o, ic, st); + + switch (dec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + if (!ist->dec) + ist->dec = avcodec_find_decoder(dec->codec_id); + if (o->audio_disable) + st->discard = AVDISCARD_ALL; + break; + case AVMEDIA_TYPE_VIDEO: + if(!ist->dec) + ist->dec = avcodec_find_decoder(dec->codec_id); + if (dec->lowres) { + dec->flags |= CODEC_FLAG_EMU_EDGE; + } + + if (o->video_disable) + st->discard = AVDISCARD_ALL; + else if (video_discard) + st->discard = video_discard; + break; + case AVMEDIA_TYPE_DATA: + if (o->data_disable) + st->discard= AVDISCARD_ALL; + break; + case AVMEDIA_TYPE_SUBTITLE: + if(!ist->dec) + ist->dec = avcodec_find_decoder(dec->codec_id); + if(o->subtitle_disable) + st->discard = AVDISCARD_ALL; + break; + case AVMEDIA_TYPE_ATTACHMENT: + case AVMEDIA_TYPE_UNKNOWN: + break; + default: + abort(); + } + } +} + +static void assert_file_overwrite(const char *filename) +{ + if ((!file_overwrite || no_file_overwrite) && + (strchr(filename, ':') == NULL || filename[1] == ':' || + av_strstart(filename, "file:", NULL))) { + if (avio_check(filename, 0) == 0) { + if (!using_stdin && (!no_file_overwrite || file_overwrite)) { + fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); + fflush(stderr); + term_exit(); + signal(SIGINT, SIG_DFL); + if (!read_yesno()) { + av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n"); + exit_program(1); + } + term_init(); + } + else { + av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename); + exit_program(1); + } + } + } +} + +static void dump_attachment(AVStream *st, const char *filename) +{ + int ret; + AVIOContext *out = NULL; + AVDictionaryEntry *e; + + if (!st->codec->extradata_size) { + av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n", + nb_input_files - 1, st->index); + return; + } + if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0))) + filename = e->value; + if (!*filename) { + av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag" + "in stream #%d:%d.\n", nb_input_files - 1, st->index); + exit_program(1); + } + + assert_file_overwrite(filename); + + if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) { + av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n", + filename); + exit_program(1); + } + + avio_write(out, st->codec->extradata, st->codec->extradata_size); + avio_flush(out); + avio_close(out); +} + +static int opt_input_file(OptionsContext *o, const char *opt, const char *filename) +{ + AVFormatContext *ic; + AVInputFormat *file_iformat = NULL; + int err, i, ret; + int64_t timestamp; + uint8_t buf[128]; + AVDictionary **opts; + int orig_nb_streams; // number of streams before avformat_find_stream_info + + if (o->format) { + if (!(file_iformat = av_find_input_format(o->format))) { + av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format); + exit_program(1); + } + } + + if (!strcmp(filename, "-")) + filename = "pipe:"; + + using_stdin |= !strncmp(filename, "pipe:", 5) || + !strcmp(filename, "/dev/stdin"); + + /* get default parameters from command line */ + ic = avformat_alloc_context(); + if (!ic) { + print_error(filename, AVERROR(ENOMEM)); + exit_program(1); + } + if (o->nb_audio_sample_rate) { + snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i); + av_dict_set(&format_opts, "sample_rate", buf, 0); + } + if (o->nb_audio_channels) { + snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i); + av_dict_set(&format_opts, "channels", buf, 0); + } + if (o->nb_frame_rates) { + av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0); + } + if (o->nb_frame_sizes) { + av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0); + } + if (o->nb_frame_pix_fmts) + av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0); + + ic->video_codec_id = video_codec_name ? + find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE; + ic->audio_codec_id = audio_codec_name ? + find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE; + ic->subtitle_codec_id= subtitle_codec_name ? + find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE; + ic->flags |= AVFMT_FLAG_NONBLOCK; + ic->interrupt_callback = int_cb; + + /* open the input file with generic avformat function */ + err = avformat_open_input(&ic, filename, file_iformat, &format_opts); + if (err < 0) { + print_error(filename, err); + exit_program(1); + } + assert_avoptions(format_opts); + + /* apply forced codec ids */ + for (i = 0; i < ic->nb_streams; i++) + choose_decoder(o, ic, ic->streams[i]); + + /* Set AVCodecContext options for avformat_find_stream_info */ + opts = setup_find_stream_info_opts(ic, codec_opts); + orig_nb_streams = ic->nb_streams; + + /* If not enough info to get the stream parameters, we decode the + first frames to get it. (used in mpeg case for example) */ + ret = avformat_find_stream_info(ic, opts); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename); + avformat_close_input(&ic); + exit_program(1); + } + + timestamp = o->start_time; + /* add the stream start time */ + if (ic->start_time != AV_NOPTS_VALUE) + timestamp += ic->start_time; + + /* if seeking requested, we execute it */ + if (o->start_time != 0) { + ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD); + if (ret < 0) { + av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n", + filename, (double)timestamp / AV_TIME_BASE); + } + } + + /* update the current parameters so that they match the one of the input stream */ + add_input_streams(o, ic); + + /* dump the file content */ + av_dump_format(ic, nb_input_files, filename, 0); + + input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1); + input_files[nb_input_files - 1].ctx = ic; + input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams; + input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp); + input_files[nb_input_files - 1].nb_streams = ic->nb_streams; + input_files[nb_input_files - 1].rate_emu = o->rate_emu; + + for (i = 0; i < o->nb_dump_attachment; i++) { + int j; + + for (j = 0; j < ic->nb_streams; j++) { + AVStream *st = ic->streams[j]; + + if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1) + dump_attachment(st, o->dump_attachment[i].u.str); + } + } + + for (i = 0; i < orig_nb_streams; i++) + av_dict_free(&opts[i]); + av_freep(&opts); + + reset_options(o, 1); + return 0; +} + +static void parse_forced_key_frames(char *kf, OutputStream *ost) +{ + char *p; + int n = 1, i; + + for (p = kf; *p; p++) + if (*p == ',') + n++; + ost->forced_kf_count = n; + ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n); + if (!ost->forced_kf_pts) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); + exit_program(1); + } + for (i = 0; i < n; i++) { + p = i ? strchr(p, ',') + 1 : kf; + ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1); + } +} + +static uint8_t *get_line(AVIOContext *s) +{ + AVIOContext *line; + uint8_t *buf; + char c; + + if (avio_open_dyn_buf(&line) < 0) { + av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n"); + exit_program(1); + } + + while ((c = avio_r8(s)) && c != '\n') + avio_w8(line, c); + avio_w8(line, 0); + avio_close_dyn_buf(line, &buf); + + return buf; +} + +static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s) +{ + int i, ret = 1; + char filename[1000]; + const char *base[3] = { getenv("AVCONV_DATADIR"), + getenv("HOME"), + AVCONV_DATADIR, + }; + + for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) { + if (!base[i]) + continue; + if (codec_name) { + snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i], + i != 1 ? "" : "/.avconv", codec_name, preset_name); + ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); + } + if (ret) { + snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i], + i != 1 ? "" : "/.avconv", preset_name); + ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); + } + } + return ret; +} + +static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost) +{ + char *codec_name = NULL; + + MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st); + if (!codec_name) { + ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, + NULL, ost->st->codec->codec_type); + ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); + } else if (!strcmp(codec_name, "copy")) + ost->stream_copy = 1; + else { + ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1); + ost->st->codec->codec_id = ost->enc->id; + } +} + +static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) +{ + OutputStream *ost; + AVStream *st = avformat_new_stream(oc, NULL); + int idx = oc->nb_streams - 1, ret = 0; + char *bsf = NULL, *next, *codec_tag = NULL; + AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL; + double qscale = -1; + char *buf = NULL, *arg = NULL, *preset = NULL; + AVIOContext *s = NULL; + + if (!st) { + av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n"); + exit_program(1); + } + + if (oc->nb_streams - 1 < o->nb_streamid_map) + st->id = o->streamid_map[oc->nb_streams - 1]; + + output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams, + nb_output_streams + 1); + ost = &output_streams[nb_output_streams - 1]; + ost->file_index = nb_output_files; + ost->index = idx; + ost->st = st; + st->codec->codec_type = type; + choose_encoder(o, oc, ost); + if (ost->enc) { + ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st); + } + + avcodec_get_context_defaults3(st->codec, ost->enc); + st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy + + MATCH_PER_STREAM_OPT(presets, str, preset, oc, st); + if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) { + do { + buf = get_line(s); + if (!buf[0] || buf[0] == '#') { + av_free(buf); + continue; + } + if (!(arg = strchr(buf, '='))) { + av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n"); + exit_program(1); + } + *arg++ = 0; + av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE); + av_free(buf); + } while (!s->eof_reached); + avio_close(s); + } + if (ret) { + av_log(NULL, AV_LOG_FATAL, + "Preset %s specified for stream %d:%d, but could not be opened.\n", + preset, ost->file_index, ost->index); + exit_program(1); + } + + ost->max_frames = INT64_MAX; + MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); + + MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st); + while (bsf) { + if (next = strchr(bsf, ',')) + *next++ = 0; + if (!(bsfc = av_bitstream_filter_init(bsf))) { + av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf); + exit_program(1); + } + if (bsfc_prev) + bsfc_prev->next = bsfc; + else + ost->bitstream_filters = bsfc; + + bsfc_prev = bsfc; + bsf = next; + } + + MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st); + if (codec_tag) { + uint32_t tag = strtol(codec_tag, &next, 0); + if (*next) + tag = AV_RL32(codec_tag); + st->codec->codec_tag = tag; + } + + MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st); + if (qscale >= 0 || same_quant) { + st->codec->flags |= CODEC_FLAG_QSCALE; + st->codec->global_quality = FF_QP2LAMBDA * qscale; + } + + if (oc->oformat->flags & AVFMT_GLOBALHEADER) + st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER; + + av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags); + return ost; +} + +static void parse_matrix_coeffs(uint16_t *dest, const char *str) +{ + int i; + const char *p = str; + for (i = 0;; i++) { + dest[i] = atoi(p); + if (i == 63) + break; + p = strchr(p, ','); + if (!p) { + av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); + exit_program(1); + } + p++; + } +} + +static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc) +{ + AVStream *st; + OutputStream *ost; + AVCodecContext *video_enc; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO); + st = ost->st; + video_enc = st->codec; + + if (!ost->stream_copy) { + const char *p = NULL; + char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL; + char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL; + char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL; + int i; + + MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st); + if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate); + exit_program(1); + } + + MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); + if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); + exit_program(1); + } + + MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st); + if (frame_aspect_ratio) { + AVRational q; + if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 || + q.num <= 0 || q.den <= 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio); + exit_program(1); + } + ost->frame_aspect_ratio = av_q2d(q); + } + + video_enc->bits_per_raw_sample = frame_bits_per_raw_sample; + MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st); + if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) { + av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt); + exit_program(1); + } + st->sample_aspect_ratio = video_enc->sample_aspect_ratio; + + if (intra_only) + video_enc->gop_size = 0; + MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st); + if (intra_matrix) { + if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); + exit_program(1); + } + parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix); + } + MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st); + if (inter_matrix) { + if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n"); + exit_program(1); + } + parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix); + } + + MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st); + for (i = 0; p; i++) { + int start, end, q; + int e = sscanf(p, "%d,%d,%d", &start, &end, &q); + if (e != 3) { + av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n"); + exit_program(1); + } + /* FIXME realloc failure */ + video_enc->rc_override = + av_realloc(video_enc->rc_override, + sizeof(RcOverride) * (i + 1)); + video_enc->rc_override[i].start_frame = start; + video_enc->rc_override[i].end_frame = end; + if (q > 0) { + video_enc->rc_override[i].qscale = q; + video_enc->rc_override[i].quality_factor = 1.0; + } + else { + video_enc->rc_override[i].qscale = 0; + video_enc->rc_override[i].quality_factor = -q/100.0; + } + p = strchr(p, '/'); + if (p) p++; + } + video_enc->rc_override_count = i; + if (!video_enc->rc_initial_buffer_occupancy) + video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4; + video_enc->intra_dc_precision = intra_dc_precision - 8; + + if (do_psnr) + video_enc->flags|= CODEC_FLAG_PSNR; + + /* two pass mode */ + if (do_pass) { + if (do_pass & 1) { + video_enc->flags |= CODEC_FLAG_PASS1; + } + if (do_pass & 2) { + video_enc->flags |= CODEC_FLAG_PASS2; + } + } + + MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st); + if (forced_key_frames) + parse_forced_key_frames(forced_key_frames, ost); + + MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st); + + ost->top_field_first = -1; + MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st); + +#if CONFIG_AVFILTER + MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); + if (filters) + ost->avfilter = av_strdup(filters); +#endif + } else { + MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st); + } + + return ost; +} + +static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc) +{ + int n; + AVStream *st; + OutputStream *ost; + AVCodecContext *audio_enc; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO); + st = ost->st; + + audio_enc = st->codec; + audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; + + if (!ost->stream_copy) { + char *sample_fmt = NULL; + + MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); + + MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st); + if (sample_fmt && + (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) { + av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt); + exit_program(1); + } + + MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st); + + ost->rematrix_volume=1.0; + MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st); + } + + /* check for channel mapping for this audio stream */ + for (n = 0; n < o->nb_audio_channel_maps; n++) { + AudioChannelMap *map = &o->audio_channel_maps[n]; + InputStream *ist = &input_streams[ost->source_index]; + if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) && + (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) && + (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) { + if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map)) + ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx; + else + av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n", + ost->file_index, ost->st->index); + } + } + + return ost; +} + +static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc) +{ + OutputStream *ost; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA); + if (!ost->stream_copy) { + av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); + exit_program(1); + } + + return ost; +} + +static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc) +{ + OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT); + ost->stream_copy = 1; + return ost; +} + +static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc) +{ + AVStream *st; + OutputStream *ost; + AVCodecContext *subtitle_enc; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE); + st = ost->st; + subtitle_enc = st->codec; + + subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; + + return ost; +} + +/* arg format is "output-stream-index:streamid-value". */ +static int opt_streamid(OptionsContext *o, const char *opt, const char *arg) +{ + int idx; + char *p; + char idx_str[16]; + + av_strlcpy(idx_str, arg, sizeof(idx_str)); + p = strchr(idx_str, ':'); + if (!p) { + av_log(NULL, AV_LOG_FATAL, + "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", + arg, opt); + exit_program(1); + } + *p++ = '\0'; + idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); + o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1); + o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); + return 0; +} + +static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata) +{ + AVFormatContext *is = ifile->ctx; + AVFormatContext *os = ofile->ctx; + int i; + + for (i = 0; i < is->nb_chapters; i++) { + AVChapter *in_ch = is->chapters[i], *out_ch; + int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset, + AV_TIME_BASE_Q, in_ch->time_base); + int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX : + av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base); + + + if (in_ch->end < ts_off) + continue; + if (rt != INT64_MAX && in_ch->start > rt + ts_off) + break; + + out_ch = av_mallocz(sizeof(AVChapter)); + if (!out_ch) + return AVERROR(ENOMEM); + + out_ch->id = in_ch->id; + out_ch->time_base = in_ch->time_base; + out_ch->start = FFMAX(0, in_ch->start - ts_off); + out_ch->end = FFMIN(rt, in_ch->end - ts_off); + + if (copy_metadata) + av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); + + os->nb_chapters++; + os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter)); + if (!os->chapters) + return AVERROR(ENOMEM); + os->chapters[os->nb_chapters - 1] = out_ch; + } + return 0; +} + +static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename) +{ + int i, err; + AVFormatContext *ic = avformat_alloc_context(); + + ic->interrupt_callback = int_cb; + err = avformat_open_input(&ic, filename, NULL, NULL); + if (err < 0) + return err; + /* copy stream format */ + for(i=0;i<ic->nb_streams;i++) { + AVStream *st; + OutputStream *ost; + AVCodec *codec; + AVCodecContext *avctx; + + codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id); + ost = new_output_stream(o, s, codec->type); + st = ost->st; + avctx = st->codec; + ost->enc = codec; + + // FIXME: a more elegant solution is needed + memcpy(st, ic->streams[i], sizeof(AVStream)); + st->info = av_malloc(sizeof(*st->info)); + memcpy(st->info, ic->streams[i]->info, sizeof(*st->info)); + st->codec= avctx; + avcodec_copy_context(st->codec, ic->streams[i]->codec); + + if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy) + choose_sample_fmt(st, codec); + else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy) + choose_pixel_fmt(st, codec); + } + + avformat_close_input(&ic); + return 0; +} + +static void opt_output_file(void *optctx, const char *filename) +{ + OptionsContext *o = optctx; + AVFormatContext *oc; + int i, err; + AVOutputFormat *file_oformat; + OutputStream *ost; + InputStream *ist; + + if (!strcmp(filename, "-")) + filename = "pipe:"; + + err = avformat_alloc_output_context2(&oc, NULL, o->format, filename); + if (!oc) { + print_error(filename, err); + exit_program(1); + } + file_oformat= oc->oformat; + oc->interrupt_callback = int_cb; + + if (!strcmp(file_oformat->name, "ffm") && + av_strstart(filename, "http:", NULL)) { + int j; + /* special case for files sent to ffserver: we get the stream + parameters from ffserver */ + int err = read_ffserver_streams(o, oc, filename); + if (err < 0) { + print_error(filename, err); + exit_program(1); + } + for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) { + ost = &output_streams[j]; + for (i = 0; i < nb_input_streams; i++) { + ist = &input_streams[i]; + if(ist->st->codec->codec_type == ost->st->codec->codec_type){ + ost->sync_ist= ist; + ost->source_index= i; + ist->discard = 0; + break; + } + } + if(!ost->sync_ist){ + av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type)); + exit_program(1); + } + } + } else if (!o->nb_stream_maps) { + /* pick the "best" stream of each type */ +#define NEW_STREAM(type, index)\ + if (index >= 0) {\ + ost = new_ ## type ## _stream(o, oc);\ + ost->source_index = index;\ + ost->sync_ist = &input_streams[index];\ + input_streams[index].discard = 0;\ + } + + /* video: highest resolution */ + if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) { + int area = 0, idx = -1; + for (i = 0; i < nb_input_streams; i++) { + ist = &input_streams[i]; + if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && + ist->st->codec->width * ist->st->codec->height > area) { + area = ist->st->codec->width * ist->st->codec->height; + idx = i; + } + } + NEW_STREAM(video, idx); + } + + /* audio: most channels */ + if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) { + int channels = 0, idx = -1; + for (i = 0; i < nb_input_streams; i++) { + ist = &input_streams[i]; + if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && + ist->st->codec->channels > channels) { + channels = ist->st->codec->channels; + idx = i; + } + } + NEW_STREAM(audio, idx); + } + + /* subtitles: pick first */ + if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) { + for (i = 0; i < nb_input_streams; i++) + if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { + NEW_STREAM(subtitle, i); + break; + } + } + /* do something with data? */ + } else { + for (i = 0; i < o->nb_stream_maps; i++) { + StreamMap *map = &o->stream_maps[i]; + + if (map->disabled) + continue; + + ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index]; + if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) + continue; + if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) + continue; + if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) + continue; + if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA) + continue; + + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; + case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; + case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break; + case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break; + case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break; + default: + av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n", + map->file_index, map->stream_index); + exit_program(1); + } + + ost->source_index = input_files[map->file_index].ist_index + map->stream_index; + ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index + + map->sync_stream_index]; + ist->discard = 0; + } + } + + /* handle attached files */ + for (i = 0; i < o->nb_attachments; i++) { + AVIOContext *pb; + uint8_t *attachment; + const char *p; + int64_t len; + + if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) { + av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n", + o->attachments[i]); + exit_program(1); + } + if ((len = avio_size(pb)) <= 0) { + av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n", + o->attachments[i]); + exit_program(1); + } + if (!(attachment = av_malloc(len))) { + av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n", + o->attachments[i]); + exit_program(1); + } + avio_read(pb, attachment, len); + + ost = new_attachment_stream(o, oc); + ost->stream_copy = 0; + ost->source_index = -1; + ost->attachment_filename = o->attachments[i]; + ost->st->codec->extradata = attachment; + ost->st->codec->extradata_size = len; + + p = strrchr(o->attachments[i], '/'); + av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE); + avio_close(pb); + } + + output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1); + output_files[nb_output_files - 1].ctx = oc; + output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams; + output_files[nb_output_files - 1].recording_time = o->recording_time; + if (o->recording_time != INT64_MAX) + oc->duration = o->recording_time; + output_files[nb_output_files - 1].start_time = o->start_time; + output_files[nb_output_files - 1].limit_filesize = o->limit_filesize; + av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0); + + /* check filename in case of an image number is expected */ + if (oc->oformat->flags & AVFMT_NEEDNUMBER) { + if (!av_filename_number_test(oc->filename)) { + print_error(oc->filename, AVERROR(EINVAL)); + exit_program(1); + } + } + + if (!(oc->oformat->flags & AVFMT_NOFILE)) { + /* test if it already exists to avoid losing precious files */ + assert_file_overwrite(filename); + + /* open the file */ + if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE, + &oc->interrupt_callback, + &output_files[nb_output_files - 1].opts)) < 0) { + print_error(filename, err); + exit_program(1); + } + } + + if (o->mux_preload) { + uint8_t buf[64]; + snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE)); + av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0); + } + oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); + + /* copy metadata */ + for (i = 0; i < o->nb_metadata_map; i++) { + char *p; + int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0); + + if (in_file_index < 0) + continue; + if (in_file_index >= nb_input_files) { + av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index); + exit_program(1); + } + copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o); + } + + /* copy chapters */ + if (o->chapters_input_file >= nb_input_files) { + if (o->chapters_input_file == INT_MAX) { + /* copy chapters from the first input file that has them*/ + o->chapters_input_file = -1; + for (i = 0; i < nb_input_files; i++) + if (input_files[i].ctx->nb_chapters) { + o->chapters_input_file = i; + break; + } + } else { + av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n", + o->chapters_input_file); + exit_program(1); + } + } + if (o->chapters_input_file >= 0) + copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1], + !o->metadata_chapters_manual); + + /* copy global metadata by default */ + if (!o->metadata_global_manual && nb_input_files){ + av_dict_copy(&oc->metadata, input_files[0].ctx->metadata, + AV_DICT_DONT_OVERWRITE); + if(o->recording_time != INT64_MAX) + av_dict_set(&oc->metadata, "duration", NULL, 0); + } + if (!o->metadata_streams_manual) + for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) { + InputStream *ist; + if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */ + continue; + ist = &input_streams[output_streams[i].source_index]; + av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE); + } + + /* process manually set metadata */ + for (i = 0; i < o->nb_metadata; i++) { + AVDictionary **m; + char type, *val; + const char *stream_spec; + int index = 0, j, ret = 0; + + val = strchr(o->metadata[i].u.str, '='); + if (!val) { + av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n", + o->metadata[i].u.str); + exit_program(1); + } + *val++ = 0; + + parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec); + if (type == 's') { + for (j = 0; j < oc->nb_streams; j++) { + if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) { + av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0); + } else if (ret < 0) + exit_program(1); + } + printf("ret %d, stream_spec %s\n", ret, stream_spec); + } + else { + switch (type) { + case 'g': + m = &oc->metadata; + break; + case 'c': + if (index < 0 || index >= oc->nb_chapters) { + av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index); + exit_program(1); + } + m = &oc->chapters[index]->metadata; + break; + default: + av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier); + exit_program(1); + } + av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0); + } + } + + reset_options(o, 0); +} + +/* same option as mencoder */ +static int opt_pass(const char *opt, const char *arg) +{ + do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3); + return 0; +} + +static int64_t getutime(void) +{ +#if HAVE_GETRUSAGE + struct rusage rusage; + + getrusage(RUSAGE_SELF, &rusage); + return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; +#elif HAVE_GETPROCESSTIMES + HANDLE proc; + FILETIME c, e, k, u; + proc = GetCurrentProcess(); + GetProcessTimes(proc, &c, &e, &k, &u); + return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; +#else + return av_gettime(); +#endif +} + +static int64_t getmaxrss(void) +{ +#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS + struct rusage rusage; + getrusage(RUSAGE_SELF, &rusage); + return (int64_t)rusage.ru_maxrss * 1024; +#elif HAVE_GETPROCESSMEMORYINFO + HANDLE proc; + PROCESS_MEMORY_COUNTERS memcounters; + proc = GetCurrentProcess(); + memcounters.cb = sizeof(memcounters); + GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters)); + return memcounters.PeakPagefileUsage; +#else + return 0; +#endif +} + +static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "q:a", arg, options); +} + +static void show_usage(void) +{ + av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n"); + av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); + av_log(NULL, AV_LOG_INFO, "\n"); +} + +static int opt_help(const char *opt, const char *arg) +{ + int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM; + av_log_set_callback(log_callback_help); + show_usage(); + show_help_options(options, "Main options:\n", + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0); + show_help_options(options, "\nAdvanced options:\n", + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, + OPT_EXPERT); + show_help_options(options, "\nVideo options:\n", + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, + OPT_VIDEO); + show_help_options(options, "\nAdvanced Video options:\n", + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, + OPT_VIDEO | OPT_EXPERT); + show_help_options(options, "\nAudio options:\n", + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, + OPT_AUDIO); + show_help_options(options, "\nAdvanced Audio options:\n", + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, + OPT_AUDIO | OPT_EXPERT); + show_help_options(options, "\nSubtitle options:\n", + OPT_SUBTITLE | OPT_GRAB, + OPT_SUBTITLE); + show_help_options(options, "\nAudio/Video grab options:\n", + OPT_GRAB, + OPT_GRAB); + printf("\n"); + show_help_children(avcodec_get_class(), flags); + show_help_children(avformat_get_class(), flags); + show_help_children(sws_get_class(), flags); + + return 0; +} + +static int opt_target(OptionsContext *o, const char *opt, const char *arg) +{ + enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN; + static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" }; + + if (!strncmp(arg, "pal-", 4)) { + norm = PAL; + arg += 4; + } else if (!strncmp(arg, "ntsc-", 5)) { + norm = NTSC; + arg += 5; + } else if (!strncmp(arg, "film-", 5)) { + norm = FILM; + arg += 5; + } else { + /* Try to determine PAL/NTSC by peeking in the input files */ + if (nb_input_files) { + int i, j, fr; + for (j = 0; j < nb_input_files; j++) { + for (i = 0; i < input_files[j].nb_streams; i++) { + AVCodecContext *c = input_files[j].ctx->streams[i]->codec; + if (c->codec_type != AVMEDIA_TYPE_VIDEO) + continue; + fr = c->time_base.den * 1000 / c->time_base.num; + if (fr == 25000) { + norm = PAL; + break; + } else if ((fr == 29970) || (fr == 23976)) { + norm = NTSC; + break; + } + } + if (norm != UNKNOWN) + break; + } + } + if (norm != UNKNOWN) + av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); + } + + if (norm == UNKNOWN) { + av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n"); + av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n"); + av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n"); + exit_program(1); + } + + if (!strcmp(arg, "vcd")) { + opt_video_codec(o, "c:v", "mpeg1video"); + opt_audio_codec(o, "c:a", "mp2"); + parse_option(o, "f", "vcd", options); + + parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options); + parse_option(o, "r", frame_rates[norm], options); + opt_default("g", norm == PAL ? "15" : "18"); + + opt_default("b:v", "1150000"); + opt_default("maxrate", "1150000"); + opt_default("minrate", "1150000"); + opt_default("bufsize", "327680"); // 40*1024*8; + + opt_default("b:a", "224000"); + parse_option(o, "ar", "44100", options); + parse_option(o, "ac", "2", options); + + opt_default("packetsize", "2324"); + opt_default("muxrate", "1411200"); // 2352 * 75 * 8; + + /* We have to offset the PTS, so that it is consistent with the SCR. + SCR starts at 36000, but the first two packs contain only padding + and the first pack from the other stream, respectively, may also have + been written before. + So the real data starts at SCR 36000+3*1200. */ + o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44 + } else if (!strcmp(arg, "svcd")) { + + opt_video_codec(o, "c:v", "mpeg2video"); + opt_audio_codec(o, "c:a", "mp2"); + parse_option(o, "f", "svcd", options); + + parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options); + parse_option(o, "r", frame_rates[norm], options); + parse_option(o, "pix_fmt", "yuv420p", options); + opt_default("g", norm == PAL ? "15" : "18"); + + opt_default("b:v", "2040000"); + opt_default("maxrate", "2516000"); + opt_default("minrate", "0"); // 1145000; + opt_default("bufsize", "1835008"); // 224*1024*8; + opt_default("flags", "+scan_offset"); + + + opt_default("b:a", "224000"); + parse_option(o, "ar", "44100", options); + + opt_default("packetsize", "2324"); + + } else if (!strcmp(arg, "dvd")) { + + opt_video_codec(o, "c:v", "mpeg2video"); + opt_audio_codec(o, "c:a", "ac3"); + parse_option(o, "f", "dvd", options); + + parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); + parse_option(o, "r", frame_rates[norm], options); + parse_option(o, "pix_fmt", "yuv420p", options); + opt_default("g", norm == PAL ? "15" : "18"); + + opt_default("b:v", "6000000"); + opt_default("maxrate", "9000000"); + opt_default("minrate", "0"); // 1500000; + opt_default("bufsize", "1835008"); // 224*1024*8; + + opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. + opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8 + + opt_default("b:a", "448000"); + parse_option(o, "ar", "48000", options); + + } else if (!strncmp(arg, "dv", 2)) { + + parse_option(o, "f", "dv", options); + + parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); + parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" : + norm == PAL ? "yuv420p" : "yuv411p", options); + parse_option(o, "r", frame_rates[norm], options); + + parse_option(o, "ar", "48000", options); + parse_option(o, "ac", "2", options); + + } else { + av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg); + return AVERROR(EINVAL); + } + return 0; +} + +static int opt_vstats_file(const char *opt, const char *arg) +{ + av_free (vstats_filename); + vstats_filename = av_strdup (arg); + return 0; +} + +static int opt_vstats(const char *opt, const char *arg) +{ + char filename[40]; + time_t today2 = time(NULL); + struct tm *today = localtime(&today2); + + snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, + today->tm_sec); + return opt_vstats_file(opt, filename); +} + +static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "frames:v", arg, options); +} + +static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "frames:a", arg, options); +} + +static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "frames:d", arg, options); +} + +static int opt_preset(OptionsContext *o, const char *opt, const char *arg) +{ + FILE *f=NULL; + char filename[1000], tmp[1000], tmp2[1000], line[1000]; + const char *codec_name = *opt == 'v' ? video_codec_name : + *opt == 'a' ? audio_codec_name : + subtitle_codec_name; + + if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { + if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){ + av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n"); + }else + av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg); + exit_program(1); + } + + while(!feof(f)){ + int e= fscanf(f, "%999[^\n]\n", line) - 1; + if(line[0] == '#' && !e) + continue; + e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; + if(e){ + av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line); + exit_program(1); + } + if(!strcmp(tmp, "acodec")){ + opt_audio_codec(o, tmp, tmp2); + }else if(!strcmp(tmp, "vcodec")){ + opt_video_codec(o, tmp, tmp2); + }else if(!strcmp(tmp, "scodec")){ + opt_subtitle_codec(o, tmp, tmp2); + }else if(!strcmp(tmp, "dcodec")){ + opt_data_codec(o, tmp, tmp2); + }else if(opt_default(tmp, tmp2) < 0){ + av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2); + exit_program(1); + } + } + + fclose(f); + + return 0; +} + +static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl) +{ +} + +static int opt_passlogfile(const char *opt, const char *arg) +{ + pass_logfilename_prefix = arg; +#if CONFIG_LIBX264_ENCODER + return opt_default(opt, arg); +#else + return 0; +#endif +} + +static int opt_old2new(OptionsContext *o, const char *opt, const char *arg) +{ + char *s = av_asprintf("%s:%c", opt + 1, *opt); + int ret = parse_option(o, s, arg, options); + av_free(s); + return ret; +} + +static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg) +{ + if(!strcmp(opt, "b")){ + av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n"); + return parse_option(o, "b:v", arg, options); + } + return opt_default(opt, arg); +} + +static int opt_qscale(OptionsContext *o, const char *opt, const char *arg) +{ + char *s; + int ret; + if(!strcmp(opt, "qscale")){ + av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n"); + return parse_option(o, "q:v", arg, options); + } + s = av_asprintf("q%s", opt + 6); + ret = parse_option(o, s, arg, options); + av_free(s); + return ret; +} + +static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "filter:v", arg, options); +} + +static int opt_vsync(const char *opt, const char *arg) +{ + if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR; + else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR; + else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH; + else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP; + + if (video_sync_method == VSYNC_AUTO) + video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR); + return 0; +} + +static int opt_deinterlace(const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt); + do_deinterlace = 1; + return 0; +} + +#define OFFSET(x) offsetof(OptionsContext, x) +static const OptionDef options[] = { + /* main options */ +#include "cmdutils_common_opts.h" + { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" }, + { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" }, + { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" }, + { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" }, + { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" }, + { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" }, + { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" }, + { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" }, + { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" }, + { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile", + "outfile[,metadata]:infile[,metadata]" }, + { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" }, + { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" }, + { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, // + { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" }, + { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" }, + { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" }, + { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" }, + { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" }, + { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" }, + { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, + "add timings for benchmarking" }, + { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" }, + { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump}, + "dump each input packet" }, + { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, + "when dumping packets, also dump the payload" }, + { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" }, + { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, + { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" }, + { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" }, + { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" }, + { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" }, + { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" }, + { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, // + { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" }, + { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" }, + { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" }, + { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" }, + { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" }, + { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" }, + { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" }, + { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" }, +#if CONFIG_AVFILTER + { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" }, +#endif + { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", }, + { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" }, + { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" }, + { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" }, + + /* video options */ + { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" }, + { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" }, + { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" }, + { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, + { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" }, + { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" }, + { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, + { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, + { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, + { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, + { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, + { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, + { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, + { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, + { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" }, + { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"}, + { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" }, + { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" }, + { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" }, + { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" }, + { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" }, + { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, + "use same quantizer as source (implies VBR)" }, + { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" }, + { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" }, + { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace}, + "this option is deprecated, use the yadif filter instead" }, + { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" }, + { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" }, + { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" }, +#if CONFIG_AVFILTER + { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" }, +#endif + { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" }, + { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" }, + { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" }, + { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" }, + { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" }, + { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" }, + { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" }, + { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" }, + { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" }, + { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" }, + + /* audio options */ + { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" }, + { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", }, + { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" }, + { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" }, + { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" }, + { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" }, + { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" }, + { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, // + { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" }, + { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" }, + + /* subtitle options */ + { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" }, + { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" }, + { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" }, + + /* grab options */ + { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" }, + { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" }, + { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" }, + + /* muxer options */ + { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" }, + { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" }, + + { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" }, + { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" }, + { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" }, + + { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" }, + { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" }, + { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" }, + { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" }, + /* data codec support */ + { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" }, + { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" }, + + { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" }, + { NULL, }, +}; + +int main(int argc, char **argv) +{ + OptionsContext o = { 0 }; + int64_t ti; + + reset_options(&o, 0); + + av_log_set_flags(AV_LOG_SKIP_REPEATED); + parse_loglevel(argc, argv, options); + + if(argc>1 && !strcmp(argv[1], "-d")){ + run_as_daemon=1; + av_log_set_callback(log_callback_null); + argc--; + argv++; + } + + avcodec_register_all(); +#if CONFIG_AVDEVICE + avdevice_register_all(); +#endif +#if CONFIG_AVFILTER + avfilter_register_all(); +#endif + av_register_all(); + avformat_network_init(); + + show_banner(argc, argv, options); + + term_init(); + + /* parse options */ + parse_options(&o, argc, argv, options, opt_output_file); + + if (nb_output_files <= 0 && nb_input_files == 0) { + show_usage(); + av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name); + exit_program(1); + } + + /* file converter / grab */ + if (nb_output_files <= 0) { + av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n"); + exit_program(1); + } + + if (nb_input_files == 0) { + av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n"); + exit_program(1); + } + + ti = getutime(); + if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0) + exit_program(1); + ti = getutime() - ti; + if (do_benchmark) { + int maxrss = getmaxrss() / 1024; + printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss); + } + + exit_program(0); + return 0; +} |