diff options
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | avconv.c | 2163 | ||||
| -rw-r--r-- | avconv.h | 360 | ||||
| -rw-r--r-- | avconv_opt.c | 1915 |
4 files changed, 2292 insertions, 2147 deletions
@@ -60,6 +60,7 @@ PROGS-$(CONFIG_AVSERVER) += avserver PROGS := $(PROGS-yes:%=%$(EXESUF)) OBJS = cmdutils.o +OBJS-avconv = avconv_opt.o TESTTOOLS = audiogen videogen rotozoom tiny_psnr base64 HOSTPROGS := $(TESTTOOLS:%=tests/%) doc/print_options TOOLS = qt-faststart trasher @@ -73,74 +73,23 @@ #include <time.h> +#include "avconv.h" #include "cmdutils.h" #include "libavutil/avassert.h" -#define VSYNC_AUTO -1 -#define VSYNC_PASSTHROUGH 0 -#define VSYNC_CFR 1 -#define VSYNC_VFR 2 - const char program_name[] = "avconv"; 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; - char *linklabel; /** name of an output link, for mapping lavfi outputs */ -} StreamMap; - -/** - * 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; - -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 file_overwrite = 0; -static int do_benchmark = 0; -static int do_hex_dump = 0; -static int do_pkt_dump = 0; -static int do_pass = 0; -static char *pass_logfilename_prefix = NULL; -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 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 int print_stats = 1; #if HAVE_PTHREADS /* signal to input threads that they should exit; set by the main thread */ @@ -149,309 +98,18 @@ static int transcoding_finished; #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass" -typedef struct InputFilter { - AVFilterContext *filter; - struct InputStream *ist; - struct FilterGraph *graph; - uint8_t *name; -} InputFilter; - -typedef struct OutputFilter { - AVFilterContext *filter; - struct OutputStream *ost; - struct FilterGraph *graph; - uint8_t *name; - - /* temporary storage until stream maps are processed */ - AVFilterInOut *out_tmp; -} OutputFilter; - -typedef struct FilterGraph { - int index; - const char *graph_desc; - - AVFilterGraph *graph; - - InputFilter **inputs; - int nb_inputs; - OutputFilter **outputs; - int nb_outputs; -} FilterGraph; - -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; - - 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 last_dts; - PtsCorrectionContext pts_ctx; - double ts_scale; - int is_start; /* is 1 at the start and after a discontinuity */ - int showed_multi_packet_warning; - AVDictionary *opts; - AVRational framerate; /* framerate forced with -r */ - - int resample_height; - int resample_width; - int resample_pix_fmt; - - int resample_sample_fmt; - int resample_sample_rate; - int resample_channels; - uint64_t resample_channel_layout; - - /* a pool of free buffers for decoded data */ - FrameBuffer *buffer_pool; - - /* decoded data from this stream goes into all those filters - * currently video and audio only */ - InputFilter **filters; - int nb_filters; -} InputStream; - -typedef struct InputFile { - AVFormatContext *ctx; - int eof_reached; /* true if eof reached */ - int ist_index; /* index of first stream in ist_table */ - int buffer_size; /* current total buffer size */ - int64_t ts_offset; - int nb_streams; /* number of stream that avconv is aware of; may be different - from ctx.nb_streams if new streams appear during av_read_frame() */ - int rate_emu; - -#if HAVE_PTHREADS - pthread_t thread; /* thread reading from this file */ - int finished; /* the thread has exited */ - int joined; /* the thread has been joined */ - pthread_mutex_t fifo_lock; /* lock for access to fifo */ - pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */ - AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */ -#endif -} 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 */ - // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */ - 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 - /* pts of the first frame encoded for this stream, used for limiting - * recording time */ - int64_t first_pts; - AVBitStreamFilterContext *bitstream_filters; - AVCodec *enc; - int64_t max_frames; - AVFrame *filtered_frame; - - /* video only */ - AVRational frame_rate; - int force_fps; - int top_field_first; - - float frame_aspect_ratio; - float last_quality; - - /* forced key frames */ - int64_t *forced_kf_pts; - int forced_kf_count; - int forced_kf_index; - char *forced_keyframes; - - FILE *logfile; - - OutputFilter *filter; - char *avfilter; - - int64_t sws_flags; - AVDictionary *opts; - int is_past_recording_time; - int stream_copy; - const char *attachment_filename; - int copy_initial_nonkeyframes; - - enum PixelFormat pix_fmts[2]; -} OutputStream; - - -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; -} 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; - -static FilterGraph **filtergraphs; -int nb_filtergraphs; - -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 *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; - /* 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; - SpecifierOpt *filters; - int nb_filters; -} 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) -{ - const OptionDef *po = options; - int i; - - /* 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++; - } - - for (i = 0; i < o->nb_stream_maps; i++) - av_freep(&o->stream_maps[i].linklabel); - av_freep(&o->stream_maps); - av_freep(&o->meta_data_maps); - av_freep(&o->streamid_map); - - memset(o, 0, sizeof(*o)); +InputStream **input_streams = NULL; +int nb_input_streams = 0; +InputFile **input_files = NULL; +int nb_input_files = 0; - o->mux_max_delay = 0.7; - o->recording_time = INT64_MAX; - o->limit_filesize = UINT64_MAX; - o->chapters_input_file = INT_MAX; +OutputStream **output_streams = NULL; +int nb_output_streams = 0; +OutputFile **output_files = NULL; +int nb_output_files = 0; - uninit_opts(); - init_opts(); -} +FilterGraph **filtergraphs; +int nb_filtergraphs; /** * Define a function for building a string containing a list of @@ -779,7 +437,7 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, avio_close_dyn_buf(pb, &f->name); \ } -static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) +int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) { av_freep(&ofilter->name); DESCRIBE_FILTER_LINK(ofilter, out, 0); @@ -912,7 +570,7 @@ static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter, } } -static int configure_filtergraph(FilterGraph *fg) +int configure_filtergraph(FilterGraph *fg) { AVFilterInOut *inputs, *outputs, *cur; int ret, i, init = !fg->graph, simple = !fg->graph_desc; @@ -973,17 +631,6 @@ static int configure_filtergraph(FilterGraph *fg) return 0; } -static int configure_complex_filters(void) -{ - int i, ret = 0; - - for (i = 0; i < nb_filtergraphs; i++) - if (!filtergraphs[i]->graph && - (ret = configure_filtergraph(filtergraphs[i])) < 0) - return ret; - return 0; -} - static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist) { int i; @@ -1023,7 +670,7 @@ static int decode_interrupt_cb(void *ctx) return received_nb_signals > 1; } -static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; +const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; void exit_program(int ret) { @@ -1103,7 +750,7 @@ void exit_program(int ret) exit(ret); } -static void assert_avoptions(AVDictionary *m) +void assert_avoptions(AVDictionary *m) { AVDictionaryEntry *t; if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { @@ -1877,7 +1524,7 @@ static void rate_emu_sleep(InputStream *ist) } } -static int guess_input_channel_layout(InputStream *ist) +int guess_input_channel_layout(InputStream *ist) { AVCodecContext *dec = ist->st->codec; @@ -3148,1355 +2795,6 @@ static int transcode(void) return ret; } -static double parse_frame_aspect_ratio(const char *arg) -{ - int x = 0, y = 0; - double ar = 0; - const char *p; - char *end; - - p = strchr(arg, ':'); - if (p) { - x = strtol(arg, &end, 10); - if (end == p) - y = strtol(end + 1, &end, 10); - if (x > 0 && y > 0) - ar = (double)x / (double)y; - } else - ar = strtod(arg, NULL); - - if (!ar) { - av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n"); - exit_program(1); - } - return ar; -} - -static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:a", arg, options); -} - -static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:v", arg, options); -} - -static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *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; - 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); - } - } - - - if (map[0] == '[') { - /* this mapping refers to lavfi output */ - const char *c = map + 1; - 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->linklabel = av_get_token(&c, "]"); - if (!m->linklabel) { - av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map); - exit_program(1); - } - } else { - 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; -} - -/** - * 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; - 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;\ - default: av_assert0(0);\ - }\ - - 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 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; - - for (i = 0; i < ic->nb_streams; i++) { - AVStream *st = ic->streams[i]; - AVCodecContext *dec = st->codec; - InputStream *ist = av_mallocz(sizeof(*ist)); - char *framerate = NULL; - - if (!ist) - exit_program(1); - - input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1); - input_streams[nb_input_streams - 1] = ist; - - ist->st = st; - ist->file_index = nb_input_files; - ist->discard = 1; - st->discard = AVDISCARD_ALL; - ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, NULL); - - ist->ts_scale = 1.0; - MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); - - ist->dec = choose_decoder(o, ic, st); - - switch (dec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - ist->resample_height = dec->height; - ist->resample_width = dec->width; - ist->resample_pix_fmt = dec->pix_fmt; - - MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st); - if (framerate && av_parse_video_rate(&ist->framerate, - framerate) < 0) { - av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n", - framerate); - exit_program(1); - } - - break; - case AVMEDIA_TYPE_AUDIO: - guess_input_channel_layout(ist); - - ist->resample_sample_fmt = dec->sample_fmt; - ist->resample_sample_rate = dec->sample_rate; - ist->resample_channels = dec->channels; - ist->resample_channel_layout = dec->channel_layout; - - break; - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_SUBTITLE: - case AVMEDIA_TYPE_ATTACHMENT: - case AVMEDIA_TYPE_UNKNOWN: - break; - default: - abort(); - } - } -} - -static void assert_file_overwrite(const char *filename) -{ - if (!file_overwrite && - (strchr(filename, ':') == NULL || filename[1] == ':' || - av_strstart(filename, "file:", NULL))) { - if (avio_check(filename, 0) == 0) { - if (!using_stdin) { - fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); - fflush(stderr); - if (!read_yesno()) { - fprintf(stderr, "Not overwriting - exiting\n"); - exit_program(1); - } - } - else { - fprintf(stderr,"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) { - /* because we set audio_channels based on both the "ac" and - * "channel_layout" options, we need to check that the specified - * demuxer actually has the "channels" option before setting it */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, - AV_OPT_SEARCH_FAKE_OBJ)) { - 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) { - /* set the format-level framerate option; - * this is important for video grabbers, e.g. x11 */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0, - AV_OPT_SEARCH_FAKE_OBJ)) { - 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->flags |= AVFMT_FLAG_NONBLOCK; - ic->interrupt_callback = int_cb; - - /* open the input file with generic libav 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); - if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0])))) - exit_program(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); - return 0; -} - -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); - if (!(ost = av_mallocz(sizeof(*ost)))) - exit_program(1); - output_streams[nb_output_streams - 1] = ost; - - 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->id, oc, st, ost->enc); - } - - 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); - - ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE; - - 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 *frame_rate = NULL, *frame_size = NULL; - char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL; - char *intra_matrix = NULL, *inter_matrix = NULL; - const char *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) - ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio); - - 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; - - 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); - } - 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; - - /* two pass mode */ - if (do_pass) { - if (do_pass == 1) { - video_enc->flags |= CODEC_FLAG_PASS1; - } else { - video_enc->flags |= CODEC_FLAG_PASS2; - } - } - - MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st); - if (ost->forced_keyframes) - ost->forced_keyframes = av_strdup(ost->forced_keyframes); - - 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); - - MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); - ost->avfilter = av_strdup(filters); - } 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) -{ - 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; - const char *filters = "anull"; - - 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); - - MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); - ost->avfilter = av_strdup(filters); - } - - 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, INT_MAX); - 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(os->chapters, sizeof(AVChapter) * os->nb_chapters); - if (!os->chapters) - return AVERROR(ENOMEM); - os->chapters[os->nb_chapters - 1] = out_ch; - } - return 0; -} - -static void init_output_filter(OutputFilter *ofilter, OptionsContext *o, - AVFormatContext *oc) -{ - OutputStream *ost; - - switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, - ofilter->out_tmp->pad_idx)) { - case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; - case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; - default: - av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported " - "currently.\n"); - exit_program(1); - } - - ost->source_index = -1; - ost->filter = ofilter; - - ofilter->ost = ost; - - if (ost->stream_copy) { - av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, " - "which is fed from a complex filtergraph. Filtering and streamcopy " - "cannot be used together.\n", ost->file_index, ost->index); - exit_program(1); - } - - if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n"); - exit_program(1); - } - avfilter_inout_free(&ofilter->out_tmp); -} - -static void opt_output_file(void *optctx, const char *filename) -{ - OptionsContext *o = optctx; - AVFormatContext *oc; - int i, j, err; - AVOutputFormat *file_oformat; - OutputStream *ost; - InputStream *ist; - - if (configure_complex_filters() < 0) { - av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n"); - exit_program(1); - } - - if (!strcmp(filename, "-")) - filename = "pipe:"; - - oc = avformat_alloc_context(); - if (!oc) { - print_error(filename, AVERROR(ENOMEM)); - exit_program(1); - } - - if (o->format) { - file_oformat = av_guess_format(o->format, NULL, NULL); - if (!file_oformat) { - av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format); - exit_program(1); - } - } else { - file_oformat = av_guess_format(NULL, filename, NULL); - if (!file_oformat) { - av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n", - filename); - exit_program(1); - } - } - - oc->oformat = file_oformat; - oc->interrupt_callback = int_cb; - av_strlcpy(oc->filename, filename, sizeof(oc->filename)); - - /* create streams for all unlabeled output pads */ - for (i = 0; i < nb_filtergraphs; i++) { - FilterGraph *fg = filtergraphs[i]; - for (j = 0; j < fg->nb_outputs; j++) { - OutputFilter *ofilter = fg->outputs[j]; - - if (!ofilter->out_tmp || ofilter->out_tmp->name) - continue; - - switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, - ofilter->out_tmp->pad_idx)) { - case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break; - case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break; - case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break; - } - init_output_filter(ofilter, o, oc); - } - } - - 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;\ - input_streams[index]->st->discard = AVDISCARD_NONE;\ - } - - /* video: highest resolution */ - if (!o->video_disable && oc->oformat->video_codec != AV_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 != AV_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 != AV_CODEC_ID_NONE) { - 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; - - if (map->linklabel) { - FilterGraph *fg; - OutputFilter *ofilter = NULL; - int j, k; - - for (j = 0; j < nb_filtergraphs; j++) { - fg = filtergraphs[j]; - for (k = 0; k < fg->nb_outputs; k++) { - AVFilterInOut *out = fg->outputs[k]->out_tmp; - if (out && !strcmp(out->name, map->linklabel)) { - ofilter = fg->outputs[k]; - goto loop_end; - } - } - } -loop_end: - if (!ofilter) { - av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist " - "in any defined filter graph.\n", map->linklabel); - exit_program(1); - } - init_output_filter(ofilter, o, oc); - } else { - ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index]; - 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; - ist->st->discard = AVDISCARD_NONE; - } - } - } - - /* 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); - if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0])))) - exit_program(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); - oc->flags |= AVFMT_FLAG_NONBLOCK; - - /* 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->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; - - 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); - } - } - 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); -} - -/* 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, 2); - return 0; -} - static int64_t getutime(void) { #if HAVE_GETRUSAGE @@ -4533,275 +2831,6 @@ static int64_t getmaxrss(void) #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) -{ - printf("Hyper fast Audio and Video encoder\n"); - printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); - printf("\n"); -} - -static void show_help(void) -{ - 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); -} - -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", "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); - opt_default("g", norm == PAL ? "15" : "18"); - - opt_default("b", "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); - opt_default("g", norm == PAL ? "15" : "18"); - - opt_default("b", "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_video_tag(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "tag:v", arg, options); -} - -static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "tag:a", arg, options); -} - -static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "tag:s", arg, options); -} - -static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "filter:v", arg, options); -} - -static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "filter:a", 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; - - 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; -} - -static int opt_cpuflags(const char *opt, const char *arg) -{ - int flags = av_parse_cpu_flags(arg); - - if (flags < 0) - return flags; - - av_set_cpu_flags_mask(flags); - return 0; -} - static void parse_cpuflags(int argc, char **argv, const OptionDef *options) { int idx = locate_option(argc, argv, options, "cpuflags"); @@ -4809,171 +2838,11 @@ static void parse_cpuflags(int argc, char **argv, const OptionDef *options) opt_cpuflags("cpuflags", argv[idx + 1]); } -static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg) -{ - char layout_str[32]; - char *stream_str; - char *ac_str; - int ret, channels, ac_str_size; - uint64_t layout; - - layout = av_get_channel_layout(arg); - if (!layout) { - av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg); - return AVERROR(EINVAL); - } - snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout); - ret = opt_default(opt, layout_str); - if (ret < 0) - return ret; - - /* set 'ac' option based on channel layout */ - channels = av_get_channel_layout_nb_channels(layout); - snprintf(layout_str, sizeof(layout_str), "%d", channels); - stream_str = strchr(opt, ':'); - ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0); - ac_str = av_mallocz(ac_str_size); - if (!ac_str) - return AVERROR(ENOMEM); - av_strlcpy(ac_str, "ac", 3); - if (stream_str) - av_strlcat(ac_str, stream_str, ac_str_size); - ret = parse_option(o, ac_str, layout_str, options); - av_free(ac_str); - - return ret; -} - -static int opt_filter_complex(const char *opt, const char *arg) -{ - filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs), - &nb_filtergraphs, nb_filtergraphs + 1); - if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) - return AVERROR(ENOMEM); - filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; - filtergraphs[nb_filtergraphs - 1]->graph_desc = arg; - return 0; -} - -#define OFFSET(x) offsetof(OptionsContext, x) -static const OptionDef real_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" }, - { "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_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" }, - { "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", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" }, - { "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" }, - { "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_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" }, - { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" }, - { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" }, - { "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" }, - { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" }, - - /* 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" }, - { "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" }, - { "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_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "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" }, - { "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" }, - { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" }, - { "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_video_tag}, "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" }, - - /* 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_audio_tag}, "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" }, - { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" }, - { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" }, - - /* 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_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" }, - - /* grab options */ - { "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" }, - - /* data codec support */ - { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" }, - - { "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; - options = real_options; reset_options(&o); av_log_set_flags(AV_LOG_SKIP_REPEATED); diff --git a/avconv.h b/avconv.h new file mode 100644 index 0000000000..fb720d6259 --- /dev/null +++ b/avconv.h @@ -0,0 +1,360 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCONV_H +#define AVCONV_H + +#include "config.h" + +#include <stdint.h> +#include <stdio.h> + +#if HAVE_PTHREADS +#include <pthread.h> +#endif + +#include "cmdutils.h" + +#include "libavformat/avformat.h" +#include "libavformat/avio.h" + +#include "libavcodec/avcodec.h" + +#include "libavfilter/avfilter.h" +#include "libavfilter/avfiltergraph.h" + +#include "libavutil/avutil.h" +#include "libavutil/dict.h" +#include "libavutil/fifo.h" +#include "libavutil/pixfmt.h" +#include "libavutil/rational.h" + +#define VSYNC_AUTO -1 +#define VSYNC_PASSTHROUGH 0 +#define VSYNC_CFR 1 +#define VSYNC_VFR 2 + +/* 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; + char *linklabel; /** name of an output link, for mapping lavfi outputs */ +} StreamMap; + +/** + * 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; + +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 *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; + /* 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; + SpecifierOpt *filters; + int nb_filters; +} OptionsContext; + +typedef struct InputFilter { + AVFilterContext *filter; + struct InputStream *ist; + struct FilterGraph *graph; + uint8_t *name; +} InputFilter; + +typedef struct OutputFilter { + AVFilterContext *filter; + struct OutputStream *ost; + struct FilterGraph *graph; + uint8_t *name; + + /* temporary storage until stream maps are processed */ + AVFilterInOut *out_tmp; +} OutputFilter; + +typedef struct FilterGraph { + int index; + const char *graph_desc; + + AVFilterGraph *graph; + + InputFilter **inputs; + int nb_inputs; + OutputFilter **outputs; + int nb_outputs; +} FilterGraph; + +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; + + 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 last_dts; + PtsCorrectionContext pts_ctx; + double ts_scale; + int is_start; /* is 1 at the start and after a discontinuity */ + int showed_multi_packet_warning; + AVDictionary *opts; + AVRational framerate; /* framerate forced with -r */ + + int resample_height; + int resample_width; + int resample_pix_fmt; + + int resample_sample_fmt; + int resample_sample_rate; + int resample_channels; + uint64_t resample_channel_layout; + + /* a pool of free buffers for decoded data */ + FrameBuffer *buffer_pool; + + /* decoded data from this stream goes into all those filters + * currently video and audio only */ + InputFilter **filters; + int nb_filters; +} InputStream; + +typedef struct InputFile { + AVFormatContext *ctx; + int eof_reached; /* true if eof reached */ + int ist_index; /* index of first stream in ist_table */ + int buffer_size; /* current total buffer size */ + int64_t ts_offset; + int nb_streams; /* number of stream that avconv is aware of; may be different + from ctx.nb_streams if new streams appear during av_read_frame() */ + int rate_emu; + +#if HAVE_PTHREADS + pthread_t thread; /* thread reading from this file */ + int finished; /* the thread has exited */ + int joined; /* the thread has been joined */ + pthread_mutex_t fifo_lock; /* lock for access to fifo */ + pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */ + AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */ +#endif +} 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 */ + // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */ + 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 + /* pts of the first frame encoded for this stream, used for limiting + * recording time */ + int64_t first_pts; + AVBitStreamFilterContext *bitstream_filters; + AVCodec *enc; + int64_t max_frames; + AVFrame *filtered_frame; + + /* video only */ + AVRational frame_rate; + int force_fps; + int top_field_first; + + float frame_aspect_ratio; + float last_quality; + + /* forced key frames */ + int64_t *forced_kf_pts; + int forced_kf_count; + int forced_kf_index; + char *forced_keyframes; + + FILE *logfile; + + OutputFilter *filter; + char *avfilter; + + int64_t sws_flags; + AVDictionary *opts; + int is_past_recording_time; + int stream_copy; + const char *attachment_filename; + int copy_initial_nonkeyframes; + + enum PixelFormat pix_fmts[2]; +} OutputStream; + +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; +} OutputFile; + +extern InputStream **input_streams; +extern int nb_input_streams; +extern InputFile **input_files; +extern int nb_input_files; + +extern OutputStream **output_streams; +extern int nb_output_streams; +extern OutputFile **output_files; +extern int nb_output_files; + +extern FilterGraph **filtergraphs; +extern int nb_filtergraphs; + +extern char *pass_logfilename_prefix; +extern char *vstats_filename; + +extern float audio_drift_threshold; +extern float dts_delta_threshold; + +extern int audio_volume; +extern int audio_sync_method; +extern int video_sync_method; +extern int do_benchmark; +extern int do_deinterlace; +extern int do_hex_dump; +extern int do_pkt_dump; +extern int copy_ts; +extern int copy_tb; +extern int opt_shortest; +extern int exit_on_error; +extern int print_stats; +extern int qp_hist; +extern int same_quant; + +extern const AVIOInterruptCB int_cb; + +extern const OptionDef options[]; + +void reset_options(OptionsContext *o); +void show_usage(void); + +int opt_cpuflags(const char *opt, const char *arg); + +void opt_output_file(void *optctx, const char *filename); + +void assert_avoptions(AVDictionary *m); + +int guess_input_channel_layout(InputStream *ist); + +int configure_filtergraph(FilterGraph *fg); +int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out); + +#endif /* AVCONV_H */ diff --git a/avconv_opt.c b/avconv_opt.c new file mode 100644 index 0000000000..7b86d7613c --- /dev/null +++ b/avconv_opt.c @@ -0,0 +1,1915 @@ +/* + * avconv option parsing + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> + +#include "avconv.h" +#include "cmdutils.h" + +#include "libavformat/avformat.h" + +#include "libavcodec/avcodec.h" + +#include "libavfilter/avfilter.h" +#include "libavfilter/avfiltergraph.h" + +#include "libavutil/audioconvert.h" +#include "libavutil/avassert.h" +#include "libavutil/avstring.h" +#include "libavutil/avutil.h" +#include "libavutil/intreadwrite.h" +#include "libavutil/fifo.h" +#include "libavutil/mathematics.h" +#include "libavutil/opt.h" +#include "libavutil/parseutils.h" +#include "libavutil/pixdesc.h" +#include "libavutil/pixfmt.h" + +#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);\ + }\ +} + +char *pass_logfilename_prefix = NULL; +char *vstats_filename; + +float audio_drift_threshold = 0.1; +float dts_delta_threshold = 10; + +int audio_volume = 256; +int audio_sync_method = 0; +int video_sync_method = VSYNC_AUTO; +int do_deinterlace = 0; +int do_benchmark = 0; +int do_hex_dump = 0; +int do_pkt_dump = 0; +int copy_ts = 0; +int copy_tb = 1; +int opt_shortest = 0; +int exit_on_error = 0; +int print_stats = 1; +int qp_hist = 0; +int same_quant = 0; + +static int file_overwrite = 0; +static int video_discard = 0; +static int intra_dc_precision = 8; +static int do_pass = 0; +static int using_stdin = 0; +static int input_sync; + +void reset_options(OptionsContext *o) +{ + const OptionDef *po = options; + int i; + + /* 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++; + } + + for (i = 0; i < o->nb_stream_maps; i++) + av_freep(&o->stream_maps[i].linklabel); + av_freep(&o->stream_maps); + av_freep(&o->meta_data_maps); + av_freep(&o->streamid_map); + + memset(o, 0, sizeof(*o)); + + o->mux_max_delay = 0.7; + o->recording_time = INT64_MAX; + o->limit_filesize = UINT64_MAX; + o->chapters_input_file = INT_MAX; + + uninit_opts(); + init_opts(); +} + + +static double parse_frame_aspect_ratio(const char *arg) +{ + int x = 0, y = 0; + double ar = 0; + const char *p; + char *end; + + p = strchr(arg, ':'); + if (p) { + x = strtol(arg, &end, 10); + if (end == p) + y = strtol(end + 1, &end, 10); + if (x > 0 && y > 0) + ar = (double)x / (double)y; + } else + ar = strtod(arg, NULL); + + if (!ar) { + av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n"); + exit_program(1); + } + return ar; +} + +static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "codec:a", arg, options); +} + +static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "codec:v", arg, options); +} + +static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *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; + 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); + } + } + + + if (map[0] == '[') { + /* this mapping refers to lavfi output */ + const char *c = map + 1; + 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->linklabel = av_get_token(&c, "]"); + if (!m->linklabel) { + av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map); + exit_program(1); + } + } else { + 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; +} + +/** + * 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; + 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;\ + default: av_assert0(0);\ + }\ + + 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 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; + + for (i = 0; i < ic->nb_streams; i++) { + AVStream *st = ic->streams[i]; + AVCodecContext *dec = st->codec; + InputStream *ist = av_mallocz(sizeof(*ist)); + char *framerate = NULL; + + if (!ist) + exit_program(1); + + input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1); + input_streams[nb_input_streams - 1] = ist; + + ist->st = st; + ist->file_index = nb_input_files; + ist->discard = 1; + st->discard = AVDISCARD_ALL; + ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, NULL); + + ist->ts_scale = 1.0; + MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); + + ist->dec = choose_decoder(o, ic, st); + + switch (dec->codec_type) { + case AVMEDIA_TYPE_VIDEO: + ist->resample_height = dec->height; + ist->resample_width = dec->width; + ist->resample_pix_fmt = dec->pix_fmt; + + MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st); + if (framerate && av_parse_video_rate(&ist->framerate, + framerate) < 0) { + av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n", + framerate); + exit_program(1); + } + + break; + case AVMEDIA_TYPE_AUDIO: + guess_input_channel_layout(ist); + + ist->resample_sample_fmt = dec->sample_fmt; + ist->resample_sample_rate = dec->sample_rate; + ist->resample_channels = dec->channels; + ist->resample_channel_layout = dec->channel_layout; + + break; + case AVMEDIA_TYPE_DATA: + case AVMEDIA_TYPE_SUBTITLE: + case AVMEDIA_TYPE_ATTACHMENT: + case AVMEDIA_TYPE_UNKNOWN: + break; + default: + abort(); + } + } +} + +static void assert_file_overwrite(const char *filename) +{ + if (!file_overwrite && + (strchr(filename, ':') == NULL || filename[1] == ':' || + av_strstart(filename, "file:", NULL))) { + if (avio_check(filename, 0) == 0) { + if (!using_stdin) { + fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); + fflush(stderr); + if (!read_yesno()) { + fprintf(stderr, "Not overwriting - exiting\n"); + exit_program(1); + } + } + else { + fprintf(stderr,"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) { + /* because we set audio_channels based on both the "ac" and + * "channel_layout" options, we need to check that the specified + * demuxer actually has the "channels" option before setting it */ + if (file_iformat && file_iformat->priv_class && + av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, + AV_OPT_SEARCH_FAKE_OBJ)) { + 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) { + /* set the format-level framerate option; + * this is important for video grabbers, e.g. x11 */ + if (file_iformat && file_iformat->priv_class && + av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0, + AV_OPT_SEARCH_FAKE_OBJ)) { + 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->flags |= AVFMT_FLAG_NONBLOCK; + ic->interrupt_callback = int_cb; + + /* open the input file with generic libav 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); + if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0])))) + exit_program(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); + return 0; +} + +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); + if (!(ost = av_mallocz(sizeof(*ost)))) + exit_program(1); + output_streams[nb_output_streams - 1] = ost; + + 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->id, oc, st, ost->enc); + } + + 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); + + ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE; + + 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 *frame_rate = NULL, *frame_size = NULL; + char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL; + char *intra_matrix = NULL, *inter_matrix = NULL; + const char *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) + ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio); + + 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; + + 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); + } + 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; + + /* two pass mode */ + if (do_pass) { + if (do_pass == 1) { + video_enc->flags |= CODEC_FLAG_PASS1; + } else { + video_enc->flags |= CODEC_FLAG_PASS2; + } + } + + MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st); + if (ost->forced_keyframes) + ost->forced_keyframes = av_strdup(ost->forced_keyframes); + + 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); + + MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); + ost->avfilter = av_strdup(filters); + } 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) +{ + 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; + const char *filters = "anull"; + + 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); + + MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); + ost->avfilter = av_strdup(filters); + } + + 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, INT_MAX); + 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(os->chapters, sizeof(AVChapter) * os->nb_chapters); + if (!os->chapters) + return AVERROR(ENOMEM); + os->chapters[os->nb_chapters - 1] = out_ch; + } + return 0; +} + +static void init_output_filter(OutputFilter *ofilter, OptionsContext *o, + AVFormatContext *oc) +{ + OutputStream *ost; + + switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, + ofilter->out_tmp->pad_idx)) { + case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; + case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; + default: + av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported " + "currently.\n"); + exit_program(1); + } + + ost->source_index = -1; + ost->filter = ofilter; + + ofilter->ost = ost; + + if (ost->stream_copy) { + av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, " + "which is fed from a complex filtergraph. Filtering and streamcopy " + "cannot be used together.\n", ost->file_index, ost->index); + exit_program(1); + } + + if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n"); + exit_program(1); + } + avfilter_inout_free(&ofilter->out_tmp); +} + +static int configure_complex_filters(void) +{ + int i, ret = 0; + + for (i = 0; i < nb_filtergraphs; i++) + if (!filtergraphs[i]->graph && + (ret = configure_filtergraph(filtergraphs[i])) < 0) + return ret; + return 0; +} + +void opt_output_file(void *optctx, const char *filename) +{ + OptionsContext *o = optctx; + AVFormatContext *oc; + int i, j, err; + AVOutputFormat *file_oformat; + OutputStream *ost; + InputStream *ist; + + if (configure_complex_filters() < 0) { + av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n"); + exit_program(1); + } + + if (!strcmp(filename, "-")) + filename = "pipe:"; + + oc = avformat_alloc_context(); + if (!oc) { + print_error(filename, AVERROR(ENOMEM)); + exit_program(1); + } + + if (o->format) { + file_oformat = av_guess_format(o->format, NULL, NULL); + if (!file_oformat) { + av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format); + exit_program(1); + } + } else { + file_oformat = av_guess_format(NULL, filename, NULL); + if (!file_oformat) { + av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n", + filename); + exit_program(1); + } + } + + oc->oformat = file_oformat; + oc->interrupt_callback = int_cb; + av_strlcpy(oc->filename, filename, sizeof(oc->filename)); + + /* create streams for all unlabeled output pads */ + for (i = 0; i < nb_filtergraphs; i++) { + FilterGraph *fg = filtergraphs[i]; + for (j = 0; j < fg->nb_outputs; j++) { + OutputFilter *ofilter = fg->outputs[j]; + + if (!ofilter->out_tmp || ofilter->out_tmp->name) + continue; + + switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, + ofilter->out_tmp->pad_idx)) { + case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break; + case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break; + case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break; + } + init_output_filter(ofilter, o, oc); + } + } + + 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;\ + input_streams[index]->st->discard = AVDISCARD_NONE;\ + } + + /* video: highest resolution */ + if (!o->video_disable && oc->oformat->video_codec != AV_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 != AV_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 != AV_CODEC_ID_NONE) { + 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; + + if (map->linklabel) { + FilterGraph *fg; + OutputFilter *ofilter = NULL; + int j, k; + + for (j = 0; j < nb_filtergraphs; j++) { + fg = filtergraphs[j]; + for (k = 0; k < fg->nb_outputs; k++) { + AVFilterInOut *out = fg->outputs[k]->out_tmp; + if (out && !strcmp(out->name, map->linklabel)) { + ofilter = fg->outputs[k]; + goto loop_end; + } + } + } +loop_end: + if (!ofilter) { + av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist " + "in any defined filter graph.\n", map->linklabel); + exit_program(1); + } + init_output_filter(ofilter, o, oc); + } else { + ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index]; + 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; + ist->st->discard = AVDISCARD_NONE; + } + } + } + + /* 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); + if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0])))) + exit_program(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); + oc->flags |= AVFMT_FLAG_NONBLOCK; + + /* 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->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; + + 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); + } + } + 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); +} + +/* 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, 2); + 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", "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); + opt_default("g", norm == PAL ? "15" : "18"); + + opt_default("b", "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); + opt_default("g", norm == PAL ? "15" : "18"); + + opt_default("b", "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_video_tag(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "tag:v", arg, options); +} + +static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "tag:a", arg, options); +} + +static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "tag:s", arg, options); +} + +static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "filter:v", arg, options); +} + +static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "filter:a", 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; + + 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; +} + +int opt_cpuflags(const char *opt, const char *arg) +{ + int flags = av_parse_cpu_flags(arg); + + if (flags < 0) + return flags; + + av_set_cpu_flags_mask(flags); + return 0; +} + +static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg) +{ + char layout_str[32]; + char *stream_str; + char *ac_str; + int ret, channels, ac_str_size; + uint64_t layout; + + layout = av_get_channel_layout(arg); + if (!layout) { + av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg); + return AVERROR(EINVAL); + } + snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout); + ret = opt_default(opt, layout_str); + if (ret < 0) + return ret; + + /* set 'ac' option based on channel layout */ + channels = av_get_channel_layout_nb_channels(layout); + snprintf(layout_str, sizeof(layout_str), "%d", channels); + stream_str = strchr(opt, ':'); + ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0); + ac_str = av_mallocz(ac_str_size); + if (!ac_str) + return AVERROR(ENOMEM); + av_strlcpy(ac_str, "ac", 3); + if (stream_str) + av_strlcat(ac_str, stream_str, ac_str_size); + ret = parse_option(o, ac_str, layout_str, options); + av_free(ac_str); + + return ret; +} + +static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg) +{ + return parse_option(o, "q:a", arg, options); +} + +static int opt_filter_complex(const char *opt, const char *arg) +{ + filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs), + &nb_filtergraphs, nb_filtergraphs + 1); + if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) + return AVERROR(ENOMEM); + filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; + filtergraphs[nb_filtergraphs - 1]->graph_desc = arg; + return 0; +} + +static void show_help(void) +{ + 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); +} + +void show_usage(void) +{ + printf("Hyper fast Audio and Video encoder\n"); + printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); + printf("\n"); +} + + +#define OFFSET(x) offsetof(OptionsContext, x) +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" }, + { "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_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" }, + { "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", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" }, + { "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" }, + { "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_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" }, + { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" }, + { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" }, + { "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" }, + { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" }, + + /* 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" }, + { "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" }, + { "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_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "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" }, + { "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" }, + { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" }, + { "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_video_tag}, "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" }, + + /* 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_audio_tag}, "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" }, + { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" }, + { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" }, + + /* 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_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" }, + + /* grab options */ + { "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" }, + + /* data codec support */ + { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" }, + + { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" }, + { NULL, }, +}; |