diff options
Diffstat (limited to 'avconv.c')
| -rw-r--r-- | avconv.c | 2848 |
1 files changed, 0 insertions, 2848 deletions
diff --git a/avconv.c b/avconv.c deleted file mode 100644 index 68e35151b0..0000000000 --- a/avconv.c +++ /dev/null @@ -1,2848 +0,0 @@ -/* - * avconv main - * Copyright (c) 2000-2011 The libav developers. - * - * 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 "config.h" -#include <ctype.h> -#include <string.h> -#include <math.h> -#include <stdlib.h> -#include <errno.h> -#include <signal.h> -#include <limits.h> -#include <stdint.h> - -#include "libavformat/avformat.h" -#include "libavdevice/avdevice.h" -#include "libswscale/swscale.h" -#include "libavresample/avresample.h" -#include "libavutil/opt.h" -#include "libavutil/channel_layout.h" -#include "libavutil/parseutils.h" -#include "libavutil/samplefmt.h" -#include "libavutil/fifo.h" -#include "libavutil/internal.h" -#include "libavutil/intreadwrite.h" -#include "libavutil/dict.h" -#include "libavutil/mathematics.h" -#include "libavutil/pixdesc.h" -#include "libavutil/avstring.h" -#include "libavutil/libm.h" -#include "libavutil/imgutils.h" -#include "libavutil/time.h" -#include "libavformat/os_support.h" - -# include "libavfilter/avfilter.h" -# include "libavfilter/buffersrc.h" -# include "libavfilter/buffersink.h" - -#if HAVE_SYS_RESOURCE_H -#include <sys/time.h> -#include <sys/types.h> -#include <sys/resource.h> -#elif HAVE_GETPROCESSTIMES -#include <windows.h> -#endif -#if HAVE_GETPROCESSMEMORYINFO -#include <windows.h> -#include <psapi.h> -#endif - -#if HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif - -#if HAVE_PTHREADS -#include <pthread.h> -#endif - -#include <time.h> - -#include "avconv.h" -#include "cmdutils.h" - -#include "libavutil/avassert.h" - -const char program_name[] = "avconv"; -const int program_birth_year = 2000; - -static FILE *vstats_file; - -static int nb_frames_drop = 0; - - - -#if HAVE_PTHREADS -/* signal to input threads that they should exit; set by the main thread */ -static int transcoding_finished; -#endif - -InputStream **input_streams = NULL; -int nb_input_streams = 0; -InputFile **input_files = NULL; -int nb_input_files = 0; - -OutputStream **output_streams = NULL; -int nb_output_streams = 0; -OutputFile **output_files = NULL; -int nb_output_files = 0; - -FilterGraph **filtergraphs; -int nb_filtergraphs; - -static void term_exit(void) -{ - av_log(NULL, AV_LOG_QUIET, ""); -} - -static volatile int received_sigterm = 0; -static volatile int received_nb_signals = 0; - -static void -sigterm_handler(int sig) -{ - received_sigterm = sig; - received_nb_signals++; - term_exit(); -} - -static void term_init(void) -{ - signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ - signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ -#ifdef SIGXCPU - signal(SIGXCPU, sigterm_handler); -#endif -} - -static int decode_interrupt_cb(void *ctx) -{ - return received_nb_signals > 1; -} - -const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; - -static void avconv_cleanup(int ret) -{ - int i, j; - - for (i = 0; i < nb_filtergraphs; i++) { - FilterGraph *fg = filtergraphs[i]; - avfilter_graph_free(&fg->graph); - for (j = 0; j < fg->nb_inputs; j++) { - av_freep(&fg->inputs[j]->name); - av_freep(&fg->inputs[j]); - } - av_freep(&fg->inputs); - for (j = 0; j < fg->nb_outputs; j++) { - av_freep(&fg->outputs[j]->name); - av_freep(&fg->outputs[j]); - } - av_freep(&fg->outputs); - av_freep(&fg->graph_desc); - - av_freep(&filtergraphs[i]); - } - av_freep(&filtergraphs); - - /* close files */ - for (i = 0; i < nb_output_files; i++) { - OutputFile *of = output_files[i]; - AVFormatContext *s = of->ctx; - if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb) - avio_close(s->pb); - avformat_free_context(s); - av_dict_free(&of->opts); - - av_freep(&output_files[i]); - } - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - for (j = 0; j < ost->nb_bitstream_filters; j++) - av_bsf_free(&ost->bsf_ctx[j]); - av_freep(&ost->bsf_ctx); - av_freep(&ost->bitstream_filters); - - av_frame_free(&ost->filtered_frame); - - av_parser_close(ost->parser); - - av_freep(&ost->forced_keyframes); - av_freep(&ost->avfilter); - av_freep(&ost->logfile_prefix); - - avcodec_free_context(&ost->enc_ctx); - - av_freep(&output_streams[i]); - } - for (i = 0; i < nb_input_files; i++) { - avformat_close_input(&input_files[i]->ctx); - av_freep(&input_files[i]); - } - for (i = 0; i < nb_input_streams; i++) { - InputStream *ist = input_streams[i]; - - av_frame_free(&ist->decoded_frame); - av_frame_free(&ist->filter_frame); - av_dict_free(&ist->decoder_opts); - av_freep(&ist->filters); - av_freep(&ist->hwaccel_device); - - avcodec_free_context(&ist->dec_ctx); - - av_freep(&input_streams[i]); - } - - if (vstats_file) - fclose(vstats_file); - av_free(vstats_filename); - - av_freep(&input_streams); - av_freep(&input_files); - av_freep(&output_streams); - av_freep(&output_files); - - uninit_opts(); - - avformat_network_deinit(); - - if (received_sigterm) { - av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", - (int) received_sigterm); - exit (255); - } -} - -void assert_avoptions(AVDictionary *m) -{ - AVDictionaryEntry *t; - if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { - av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); - exit_program(1); - } -} - -static void abort_codec_experimental(AVCodec *c, int encoder) -{ - const char *codec_string = encoder ? "encoder" : "decoder"; - AVCodec *codec; - av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad " - "results.\nAdd '-strict experimental' if you want to use it.\n", - codec_string, c->name); - codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id); - if (!(codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL)) - av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n", - codec_string, codec->name); - exit_program(1); -} - -static void write_packet(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) -{ - AVStream *st = ost->st; - int ret; - - /* - * Audio encoders may split the packets -- #frames in != #packets out. - * But there is no reordering, so we can limit the number of output packets - * by simply dropping them here. - * Counting encoded video frames needs to be done separately because of - * reordering, see do_video_out() - */ - if (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed)) { - if (ost->frame_number >= ost->max_frames) { - av_packet_unref(pkt); - return; - } - ost->frame_number++; - } - if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { - uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR, - NULL); - ost->quality = sd ? *(int *)sd : -1; - - if (ost->frame_rate.num) { - pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate), - ost->st->time_base); - } - } - - if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) && - ost->last_mux_dts != AV_NOPTS_VALUE && - pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) { - av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream " - "%d:%d; previous: %"PRId64", current: %"PRId64"; ", - ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts); - if (exit_on_error) { - av_log(NULL, AV_LOG_FATAL, "aborting.\n"); - exit_program(1); - } - av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result " - "in incorrect timestamps in the output file.\n", - ost->last_mux_dts + 1); - pkt->dts = ost->last_mux_dts + 1; - if (pkt->pts != AV_NOPTS_VALUE) - pkt->pts = FFMAX(pkt->pts, pkt->dts); - } - ost->last_mux_dts = pkt->dts; - - ost->data_size += pkt->size; - ost->packets_written++; - - pkt->stream_index = ost->index; - ret = av_interleaved_write_frame(s, pkt); - if (ret < 0) { - print_error("av_interleaved_write_frame()", ret); - exit_program(1); - } -} - -static void output_packet(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) -{ - int ret = 0; - - /* apply the output bitstream filters, if any */ - if (ost->nb_bitstream_filters) { - int idx; - - ret = av_bsf_send_packet(ost->bsf_ctx[0], pkt); - if (ret < 0) - goto finish; - - idx = 1; - while (idx) { - /* get a packet from the previous filter up the chain */ - ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt); - if (ret == AVERROR(EAGAIN)) { - ret = 0; - idx--; - continue; - } else if (ret < 0) - goto finish; - - /* send it to the next filter down the chain or to the muxer */ - if (idx < ost->nb_bitstream_filters) { - ret = av_bsf_send_packet(ost->bsf_ctx[idx], pkt); - if (ret < 0) - goto finish; - idx++; - } else - write_packet(s, pkt, ost); - } - } else - write_packet(s, pkt, ost); - -finish: - if (ret < 0 && ret != AVERROR_EOF) { - av_log(NULL, AV_LOG_FATAL, "Error applying bitstream filters to an output " - "packet for stream #%d:%d.\n", ost->file_index, ost->index); - exit_program(1); - } -} - -static int check_recording_time(OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - - if (of->recording_time != INT64_MAX && - av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time, - AV_TIME_BASE_Q) >= 0) { - ost->finished = 1; - return 0; - } - return 1; -} - -static void do_audio_out(AVFormatContext *s, OutputStream *ost, - AVFrame *frame) -{ - AVCodecContext *enc = ost->enc_ctx; - AVPacket pkt; - int ret; - - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) - frame->pts = ost->sync_opts; - ost->sync_opts = frame->pts + frame->nb_samples; - - ost->samples_encoded += frame->nb_samples; - ost->frames_encoded++; - - ret = avcodec_send_frame(enc, frame); - if (ret < 0) - goto error; - - while (1) { - ret = avcodec_receive_packet(enc, &pkt); - if (ret == AVERROR(EAGAIN)) - break; - if (ret < 0) - goto error; - - av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base); - output_packet(s, &pkt, ost); - } - - return; -error: - av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); - exit_program(1); -} - -static void do_subtitle_out(AVFormatContext *s, - OutputStream *ost, - InputStream *ist, - AVSubtitle *sub, - int64_t pts) -{ - static uint8_t *subtitle_out = NULL; - int subtitle_out_max_size = 1024 * 1024; - int subtitle_out_size, nb, i; - AVCodecContext *enc; - AVPacket pkt; - - if (pts == AV_NOPTS_VALUE) { - av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); - if (exit_on_error) - exit_program(1); - return; - } - - enc = ost->enc_ctx; - - if (!subtitle_out) { - subtitle_out = av_malloc(subtitle_out_max_size); - } - - /* Note: DVB subtitle need one packet to draw them and one other - packet to clear them */ - /* XXX: signal it in the codec context ? */ - if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) - nb = 2; - else - nb = 1; - - for (i = 0; i < nb; i++) { - ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base); - if (!check_recording_time(ost)) - return; - - sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q); - // start_display_time is required to be 0 - sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); - sub->end_display_time -= sub->start_display_time; - sub->start_display_time = 0; - - ost->frames_encoded++; - - subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, - subtitle_out_max_size, sub); - if (subtitle_out_size < 0) { - av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); - exit_program(1); - } - - av_init_packet(&pkt); - pkt.data = subtitle_out; - pkt.size = subtitle_out_size; - pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); - if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { - /* XXX: the pts correction is handled here. Maybe handling - it in the codec would be better */ - if (i == 0) - pkt.pts += 90 * sub->start_display_time; - else - pkt.pts += 90 * sub->end_display_time; - } - output_packet(s, &pkt, ost); - } -} - -static void do_video_out(AVFormatContext *s, - OutputStream *ost, - AVFrame *in_picture, - int *frame_size) -{ - int ret, format_video_sync; - AVPacket pkt; - AVCodecContext *enc = ost->enc_ctx; - - *frame_size = 0; - - format_video_sync = video_sync_method; - if (format_video_sync == VSYNC_AUTO) - format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : - (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR; - if (format_video_sync != VSYNC_PASSTHROUGH && - ost->frame_number && - in_picture->pts != AV_NOPTS_VALUE && - in_picture->pts < ost->sync_opts) { - nb_frames_drop++; - av_log(NULL, AV_LOG_WARNING, - "*** dropping frame %d from stream %d at ts %"PRId64"\n", - ost->frame_number, ost->st->index, in_picture->pts); - return; - } - - if (in_picture->pts == AV_NOPTS_VALUE) - in_picture->pts = ost->sync_opts; - ost->sync_opts = in_picture->pts; - - - if (!ost->frame_number) - ost->first_pts = in_picture->pts; - - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - if (ost->frame_number >= ost->max_frames) - return; - - if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) && - ost->top_field_first >= 0) - in_picture->top_field_first = !!ost->top_field_first; - - in_picture->quality = enc->global_quality; - in_picture->pict_type = 0; - if (ost->forced_kf_index < ost->forced_kf_count && - in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) { - in_picture->pict_type = AV_PICTURE_TYPE_I; - ost->forced_kf_index++; - } - - ost->frames_encoded++; - - ret = avcodec_send_frame(enc, in_picture); - if (ret < 0) - goto error; - - while (1) { - ret = avcodec_receive_packet(enc, &pkt); - if (ret == AVERROR(EAGAIN)) - break; - if (ret < 0) - goto error; - - av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base); - output_packet(s, &pkt, ost); - *frame_size = pkt.size; - - /* if two pass, output log */ - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } - - ost->sync_opts++; - /* - * For video, number of frames in == number of packets out. - * But there may be reordering, so we can't throw away frames on encoder - * flush, we need to limit them here, before they go into encoder. - */ - ost->frame_number++; - } - - return; -error: - av_assert0(ret != AVERROR(EAGAIN) && ret != AVERROR_EOF); - av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); - exit_program(1); -} - -static double psnr(double d) -{ - return -10.0 * log(d) / log(10.0); -} - -static void do_video_stats(OutputStream *ost, int frame_size) -{ - AVCodecContext *enc; - int frame_number; - double ti1, bitrate, avg_bitrate; - - /* this is executed just the first time do_video_stats is called */ - if (!vstats_file) { - vstats_file = fopen(vstats_filename, "w"); - if (!vstats_file) { - perror("fopen"); - exit_program(1); - } - } - - enc = ost->enc_ctx; - if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { - frame_number = ost->frame_number; - fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, - ost->quality / (float)FF_QP2LAMBDA); - -#if FF_API_CODED_FRAME -FF_DISABLE_DEPRECATION_WARNINGS - if (enc->flags & AV_CODEC_FLAG_PSNR) - fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); -FF_ENABLE_DEPRECATION_WARNINGS -#endif - - fprintf(vstats_file,"f_size= %6d ", frame_size); - /* compute pts value */ - ti1 = ost->sync_opts * av_q2d(enc->time_base); - if (ti1 < 0.01) - ti1 = 0.01; - - bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; - avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0; - fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", - (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate); -#if FF_API_CODED_FRAME -FF_DISABLE_DEPRECATION_WARNINGS - fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); -FF_ENABLE_DEPRECATION_WARNINGS -#endif - } -} - -/* - * Read one frame for lavfi output for ost and encode it. - */ -static int poll_filter(OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - AVFrame *filtered_frame = NULL; - int frame_size, ret; - - if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) { - return AVERROR(ENOMEM); - } - filtered_frame = ost->filtered_frame; - - if (ost->enc->type == AVMEDIA_TYPE_AUDIO && - !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) - ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame, - ost->enc_ctx->frame_size); - else - ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame); - - if (ret < 0) - return ret; - - if (filtered_frame->pts != AV_NOPTS_VALUE) { - int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; - filtered_frame->pts = av_rescale_q(filtered_frame->pts, - ost->filter->filter->inputs[0]->time_base, - ost->enc_ctx->time_base) - - av_rescale_q(start_time, - AV_TIME_BASE_Q, - ost->enc_ctx->time_base); - } - - switch (ost->filter->filter->inputs[0]->type) { - case AVMEDIA_TYPE_VIDEO: - if (!ost->frame_aspect_ratio) - ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio; - - do_video_out(of->ctx, ost, filtered_frame, &frame_size); - if (vstats_filename && frame_size) - do_video_stats(ost, frame_size); - break; - case AVMEDIA_TYPE_AUDIO: - do_audio_out(of->ctx, ost, filtered_frame); - break; - default: - // TODO support subtitle filters - av_assert0(0); - } - - av_frame_unref(filtered_frame); - - return 0; -} - -static void finish_output_stream(OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - int i; - - ost->finished = 1; - - if (of->shortest) { - for (i = 0; i < of->ctx->nb_streams; i++) - output_streams[of->ost_index + i]->finished = 1; - } -} - -/* - * Read as many frames from possible from lavfi and encode them. - * - * Always read from the active stream with the lowest timestamp. If no frames - * are available for it then return EAGAIN and wait for more input. This way we - * can use lavfi sources that generate unlimited amount of frames without memory - * usage exploding. - */ -static int poll_filters(void) -{ - int i, ret = 0; - - while (ret >= 0 && !received_sigterm) { - OutputStream *ost = NULL; - int64_t min_pts = INT64_MAX; - - /* choose output stream with the lowest timestamp */ - for (i = 0; i < nb_output_streams; i++) { - int64_t pts = output_streams[i]->sync_opts; - - if (!output_streams[i]->filter || output_streams[i]->finished) - continue; - - pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base, - AV_TIME_BASE_Q); - if (pts < min_pts) { - min_pts = pts; - ost = output_streams[i]; - } - } - - if (!ost) - break; - - ret = poll_filter(ost); - - if (ret == AVERROR_EOF) { - finish_output_stream(ost); - ret = 0; - } else if (ret == AVERROR(EAGAIN)) - return 0; - } - - return ret; -} - -static void print_final_stats(int64_t total_size) -{ - uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0; - uint64_t data_size = 0; - float percent = -1.0; - int i, j; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - switch (ost->enc_ctx->codec_type) { - case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break; - case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break; - default: other_size += ost->data_size; break; - } - extra_size += ost->enc_ctx->extradata_size; - data_size += ost->data_size; - } - - if (data_size && total_size >= data_size) - percent = 100.0 * (total_size - data_size) / data_size; - - av_log(NULL, AV_LOG_INFO, "\n"); - av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ", - video_size / 1024.0, - audio_size / 1024.0, - other_size / 1024.0, - extra_size / 1024.0); - if (percent >= 0.0) - av_log(NULL, AV_LOG_INFO, "%f%%", percent); - else - av_log(NULL, AV_LOG_INFO, "unknown"); - av_log(NULL, AV_LOG_INFO, "\n"); - - /* print verbose per-stream stats */ - for (i = 0; i < nb_input_files; i++) { - InputFile *f = input_files[i]; - uint64_t total_packets = 0, total_size = 0; - - av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n", - i, f->ctx->filename); - - for (j = 0; j < f->nb_streams; j++) { - InputStream *ist = input_streams[f->ist_index + j]; - enum AVMediaType type = ist->dec_ctx->codec_type; - - total_size += ist->data_size; - total_packets += ist->nb_packets; - - av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ", - i, j, media_type_string(type)); - av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ", - ist->nb_packets, ist->data_size); - - if (ist->decoding_needed) { - av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded", - ist->frames_decoded); - if (type == AVMEDIA_TYPE_AUDIO) - av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded); - av_log(NULL, AV_LOG_VERBOSE, "; "); - } - - av_log(NULL, AV_LOG_VERBOSE, "\n"); - } - - av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n", - total_packets, total_size); - } - - for (i = 0; i < nb_output_files; i++) { - OutputFile *of = output_files[i]; - uint64_t total_packets = 0, total_size = 0; - - av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n", - i, of->ctx->filename); - - for (j = 0; j < of->ctx->nb_streams; j++) { - OutputStream *ost = output_streams[of->ost_index + j]; - enum AVMediaType type = ost->enc_ctx->codec_type; - - total_size += ost->data_size; - total_packets += ost->packets_written; - - av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ", - i, j, media_type_string(type)); - if (ost->encoding_needed) { - av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded", - ost->frames_encoded); - if (type == AVMEDIA_TYPE_AUDIO) - av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded); - av_log(NULL, AV_LOG_VERBOSE, "; "); - } - - av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ", - ost->packets_written, ost->data_size); - - av_log(NULL, AV_LOG_VERBOSE, "\n"); - } - - av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n", - total_packets, total_size); - } -} - -static void print_report(int is_last_report, int64_t timer_start) -{ - char buf[1024]; - OutputStream *ost; - AVFormatContext *oc; - int64_t total_size; - AVCodecContext *enc; - int frame_number, vid, i; - double bitrate, ti1, pts; - static int64_t last_time = -1; - static int qp_histogram[52]; - - if (!print_stats && !is_last_report) - return; - - if (!is_last_report) { - int64_t cur_time; - /* display the report every 0.5 seconds */ - cur_time = av_gettime_relative(); - if (last_time == -1) { - last_time = cur_time; - return; - } - if ((cur_time - last_time) < 500000) - return; - last_time = cur_time; - } - - - oc = output_files[0]->ctx; - - total_size = avio_size(oc->pb); - if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too - total_size = avio_tell(oc->pb); - if (total_size < 0) { - char errbuf[128]; - av_strerror(total_size, errbuf, sizeof(errbuf)); - av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, " - "avio_tell() failed: %s\n", errbuf); - total_size = 0; - } - - buf[0] = '\0'; - ti1 = 1e10; - vid = 0; - for (i = 0; i < nb_output_streams; i++) { - float q = -1; - ost = output_streams[i]; - enc = ost->enc_ctx; - if (!ost->stream_copy) - q = ost->quality / (float) FF_QP2LAMBDA; - - if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); - } - if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { - float t = (av_gettime_relative() - timer_start) / 1000000.0; - - frame_number = ost->frame_number; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ", - frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q); - if (is_last_report) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); - if (qp_hist) { - int j; - int qp = lrintf(q); - if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) - qp_histogram[qp]++; - for (j = 0; j < 32; j++) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1))); - } - -#if FF_API_CODED_FRAME -FF_DISABLE_DEPRECATION_WARNINGS - if (enc->flags & AV_CODEC_FLAG_PSNR) { - int j; - double error, error_sum = 0; - double scale, scale_sum = 0; - char type[3] = { 'Y','U','V' }; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); - for (j = 0; j < 3; j++) { - if (is_last_report) { - error = enc->error[j]; - scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; - } else { - error = enc->coded_frame->error[j]; - scale = enc->width * enc->height * 255.0 * 255.0; - } - if (j) - scale /= 4; - error_sum += error; - scale_sum += scale; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale)); - } - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); - } -FF_ENABLE_DEPRECATION_WARNINGS -#endif - vid = 1; - } - /* compute min output value */ - pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base); - if ((pts < ti1) && (pts > 0)) - ti1 = pts; - } - if (ti1 < 0.01) - ti1 = 0.01; - - bitrate = (double)(total_size * 8) / ti1 / 1000.0; - - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s", - (double)total_size / 1024, ti1, bitrate); - - if (nb_frames_drop) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d", - nb_frames_drop); - - av_log(NULL, AV_LOG_INFO, "%s \r", buf); - - fflush(stderr); - - if (is_last_report) - print_final_stats(total_size); - -} - -static void flush_encoders(void) -{ - int i, ret; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - AVCodecContext *enc = ost->enc_ctx; - AVFormatContext *os = output_files[ost->file_index]->ctx; - int stop_encoding = 0; - - if (!ost->encoding_needed) - continue; - - if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) - continue; - - if (enc->codec_type != AVMEDIA_TYPE_VIDEO && enc->codec_type != AVMEDIA_TYPE_AUDIO) - continue; - - avcodec_send_frame(enc, NULL); - - for (;;) { - const char *desc = NULL; - - switch (enc->codec_type) { - case AVMEDIA_TYPE_AUDIO: - desc = "Audio"; - break; - case AVMEDIA_TYPE_VIDEO: - desc = "Video"; - break; - default: - av_assert0(0); - } - - if (1) { - AVPacket pkt; - int got_packet; - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - ret = avcodec_receive_packet(enc, &pkt); - if (ret < 0 && ret != AVERROR_EOF) { - av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); - exit_program(1); - } - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } - if (ret == AVERROR_EOF) { - stop_encoding = 1; - break; - } - av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base); - output_packet(os, &pkt, ost); - } - - if (stop_encoding) - break; - } - } -} - -/* - * Check whether a packet from ist should be written into ost at this time - */ -static int check_output_constraints(InputStream *ist, OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; - - if (ost->source_index != ist_index) - return 0; - - if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time) - return 0; - - return 1; -} - -static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) -{ - OutputFile *of = output_files[ost->file_index]; - InputFile *f = input_files [ist->file_index]; - int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; - int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base); - AVPacket opkt; - - av_init_packet(&opkt); - - if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && - !ost->copy_initial_nonkeyframes) - return; - - if (of->recording_time != INT64_MAX && - ist->last_dts >= of->recording_time + start_time) { - ost->finished = 1; - return; - } - - if (f->recording_time != INT64_MAX) { - start_time = f->ctx->start_time; - if (f->start_time != AV_NOPTS_VALUE) - start_time += f->start_time; - if (ist->last_dts >= f->recording_time + start_time) { - ost->finished = 1; - return; - } - } - - /* force the input stream PTS */ - if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) - ost->sync_opts++; - - if (pkt->pts != AV_NOPTS_VALUE) - opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; - else - opkt.pts = AV_NOPTS_VALUE; - - if (pkt->dts == AV_NOPTS_VALUE) - opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base); - else - opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); - opkt.dts -= ost_tb_start_time; - - opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); - opkt.flags = pkt->flags; - - // FIXME remove the following 2 lines they shall be replaced by the bitstream filters - if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264 - && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO - && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO - && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1 - ) { - if (av_parser_change(ost->parser, ost->st->codec, - &opkt.data, &opkt.size, - pkt->data, pkt->size, - pkt->flags & AV_PKT_FLAG_KEY)) { - opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0); - if (!opkt.buf) - exit_program(1); - } - } else { - opkt.data = pkt->data; - opkt.size = pkt->size; - } - - output_packet(of->ctx, &opkt, ost); -} - -// This does not quite work like avcodec_decode_audio4/avcodec_decode_video2. -// There is the following difference: if you got a frame, you must call -// it again with pkt=NULL. pkt==NULL is treated differently from pkt.size==0 -// (pkt==NULL means get more output, pkt.size==0 is a flush/drain packet) -static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt) -{ - int ret; - - *got_frame = 0; - - if (pkt) { - ret = avcodec_send_packet(avctx, pkt); - // In particular, we don't expect AVERROR(EAGAIN), because we read all - // decoded frames with avcodec_receive_frame() until done. - if (ret < 0) - return ret == AVERROR_EOF ? 0 : ret; - } - - ret = avcodec_receive_frame(avctx, frame); - if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) - return ret; - if (ret >= 0) - *got_frame = 1; - - return 0; -} - -int guess_input_channel_layout(InputStream *ist) -{ - AVCodecContext *dec = ist->dec_ctx; - - if (!dec->channel_layout) { - char layout_name[256]; - - dec->channel_layout = av_get_default_channel_layout(dec->channels); - if (!dec->channel_layout) - return 0; - av_get_channel_layout_string(layout_name, sizeof(layout_name), - dec->channels, dec->channel_layout); - av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " - "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); - } - return 1; -} - -static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVFrame *decoded_frame, *f; - AVCodecContext *avctx = ist->dec_ctx; - int i, ret, err = 0, resample_changed; - - if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - decoded_frame = ist->decoded_frame; - - ret = decode(avctx, decoded_frame, got_output, pkt); - if (!*got_output || ret < 0) - return ret; - - ist->samples_decoded += decoded_frame->nb_samples; - ist->frames_decoded++; - - /* if the decoder provides a pts, use it instead of the last packet pts. - the decoder could be delaying output by a packet or more. */ - if (decoded_frame->pts != AV_NOPTS_VALUE) - ist->next_dts = decoded_frame->pts; - else if (pkt && pkt->pts != AV_NOPTS_VALUE) { - decoded_frame->pts = pkt->pts; - } - - resample_changed = ist->resample_sample_fmt != decoded_frame->format || - ist->resample_channels != avctx->channels || - ist->resample_channel_layout != decoded_frame->channel_layout || - ist->resample_sample_rate != decoded_frame->sample_rate; - if (resample_changed) { - char layout1[64], layout2[64]; - - if (!guess_input_channel_layout(ist)) { - av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " - "layout for Input Stream #%d.%d\n", ist->file_index, - ist->st->index); - exit_program(1); - } - decoded_frame->channel_layout = avctx->channel_layout; - - av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, - ist->resample_channel_layout); - av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, - decoded_frame->channel_layout); - - av_log(NULL, AV_LOG_INFO, - "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", - ist->file_index, ist->st->index, - ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), - ist->resample_channels, layout1, - decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), - avctx->channels, layout2); - - ist->resample_sample_fmt = decoded_frame->format; - ist->resample_sample_rate = decoded_frame->sample_rate; - ist->resample_channel_layout = decoded_frame->channel_layout; - ist->resample_channels = avctx->channels; - - for (i = 0; i < nb_filtergraphs; i++) - if (ist_in_filtergraph(filtergraphs[i], ist) && - configure_filtergraph(filtergraphs[i]) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit_program(1); - } - } - - if (decoded_frame->pts != AV_NOPTS_VALUE) - decoded_frame->pts = av_rescale_q(decoded_frame->pts, - ist->st->time_base, - (AVRational){1, avctx->sample_rate}); - ist->nb_samples = decoded_frame->nb_samples; - for (i = 0; i < ist->nb_filters; i++) { - if (i < ist->nb_filters - 1) { - f = ist->filter_frame; - err = av_frame_ref(f, decoded_frame); - if (err < 0) - break; - } else - f = decoded_frame; - - err = av_buffersrc_add_frame(ist->filters[i]->filter, f); - if (err < 0) - break; - } - - av_frame_unref(ist->filter_frame); - av_frame_unref(decoded_frame); - return err < 0 ? err : ret; -} - -static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVFrame *decoded_frame, *f; - int i, ret = 0, err = 0, resample_changed; - - if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - decoded_frame = ist->decoded_frame; - - ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt); - if (!*got_output || ret < 0) - return ret; - - ist->frames_decoded++; - - if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) { - err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame); - if (err < 0) - goto fail; - } - ist->hwaccel_retrieved_pix_fmt = decoded_frame->format; - - decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts, - decoded_frame->pkt_dts); - - if (ist->st->sample_aspect_ratio.num) - decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; - - resample_changed = ist->resample_width != decoded_frame->width || - ist->resample_height != decoded_frame->height || - ist->resample_pix_fmt != decoded_frame->format; - if (resample_changed) { - av_log(NULL, AV_LOG_INFO, - "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", - ist->file_index, ist->st->index, - ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), - decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); - - ret = poll_filters(); - if (ret < 0 && ret != AVERROR_EOF) { - char errbuf[128]; - av_strerror(ret, errbuf, sizeof(errbuf)); - - av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf); - } - - ist->resample_width = decoded_frame->width; - ist->resample_height = decoded_frame->height; - ist->resample_pix_fmt = decoded_frame->format; - - for (i = 0; i < nb_filtergraphs; i++) - if (ist_in_filtergraph(filtergraphs[i], ist) && - configure_filtergraph(filtergraphs[i]) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit_program(1); - } - } - - for (i = 0; i < ist->nb_filters; i++) { - if (i < ist->nb_filters - 1) { - f = ist->filter_frame; - err = av_frame_ref(f, decoded_frame); - if (err < 0) - break; - } else - f = decoded_frame; - - err = av_buffersrc_add_frame(ist->filters[i]->filter, f); - if (err < 0) - break; - } - -fail: - av_frame_unref(ist->filter_frame); - av_frame_unref(decoded_frame); - return err < 0 ? err : ret; -} - -static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVSubtitle subtitle; - int i, ret = avcodec_decode_subtitle2(ist->dec_ctx, - &subtitle, got_output, pkt); - if (ret < 0) - return ret; - if (!*got_output) - return ret; - - ist->frames_decoded++; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - if (!check_output_constraints(ist, ost) || !ost->encoding_needed) - continue; - - do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts); - } - - avsubtitle_free(&subtitle); - return ret; -} - -static int send_filter_eof(InputStream *ist) -{ - int i, ret; - for (i = 0; i < ist->nb_filters; i++) { - ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL); - if (ret < 0) - return ret; - } - return 0; -} - -/* pkt = NULL means EOF (needed to flush decoder buffers) */ -static void process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof) -{ - int i; - int repeating = 0; - AVPacket avpkt; - - if (ist->next_dts == AV_NOPTS_VALUE) - ist->next_dts = ist->last_dts; - - if (!pkt) { - /* EOF handling */ - av_init_packet(&avpkt); - avpkt.data = NULL; - avpkt.size = 0; - } else { - avpkt = *pkt; - } - - if (pkt && pkt->dts != AV_NOPTS_VALUE) - ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); - - // while we have more to decode or while the decoder did output something on EOF - while (ist->decoding_needed && (!pkt || avpkt.size > 0)) { - int ret = 0; - int got_output = 0; - - if (!repeating) - ist->last_dts = ist->next_dts; - - switch (ist->dec_ctx->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output); - break; - case AVMEDIA_TYPE_VIDEO: - ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output); - if (repeating && !got_output) - ; - else if (pkt && pkt->duration) - ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q); - else if (ist->st->avg_frame_rate.num) - ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate), - AV_TIME_BASE_Q); - else if (ist->dec_ctx->framerate.num != 0) { - int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : - ist->dec_ctx->ticks_per_frame; - ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q); - } - break; - case AVMEDIA_TYPE_SUBTITLE: - if (repeating) - break; - ret = transcode_subtitles(ist, &avpkt, &got_output); - break; - default: - return; - } - - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n", - ist->file_index, ist->st->index); - if (exit_on_error) - exit_program(1); - break; - } - - if (!got_output) - break; - - repeating = 1; - } - - /* after flushing, send an EOF on all the filter inputs attached to the stream */ - /* except when looping we need to flush but not to send an EOF */ - if (!pkt && ist->decoding_needed && !no_eof) { - int ret = send_filter_eof(ist); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n"); - exit_program(1); - } - } - - /* handle stream copy */ - if (!ist->decoding_needed) { - ist->last_dts = ist->next_dts; - switch (ist->dec_ctx->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) / - ist->dec_ctx->sample_rate; - break; - case AVMEDIA_TYPE_VIDEO: - if (ist->dec_ctx->framerate.num != 0) { - int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame; - ist->next_dts += ((int64_t)AV_TIME_BASE * - ist->dec_ctx->framerate.den * ticks) / - ist->dec_ctx->framerate.num; - } - break; - } - } - for (i = 0; pkt && i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - if (!check_output_constraints(ist, ost) || ost->encoding_needed) - continue; - - do_streamcopy(ist, ost, pkt); - } - - return; -} - -static void print_sdp(void) -{ - char sdp[16384]; - int i; - AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); - - if (!avc) - exit_program(1); - for (i = 0; i < nb_output_files; i++) - avc[i] = output_files[i]->ctx; - - av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); - printf("SDP:\n%s\n", sdp); - fflush(stdout); - av_freep(&avc); -} - -static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt) -{ - int i; - for (i = 0; hwaccels[i].name; i++) - if (hwaccels[i].pix_fmt == pix_fmt) - return &hwaccels[i]; - return NULL; -} - -static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts) -{ - InputStream *ist = s->opaque; - const enum AVPixelFormat *p; - int ret; - - for (p = pix_fmts; *p != -1; p++) { - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p); - const HWAccel *hwaccel; - - if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL)) - break; - - hwaccel = get_hwaccel(*p); - if (!hwaccel || - (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) || - (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id)) - continue; - - ret = hwaccel->init(s); - if (ret < 0) { - if (ist->hwaccel_id == hwaccel->id) { - av_log(NULL, AV_LOG_FATAL, - "%s hwaccel requested for input stream #%d:%d, " - "but cannot be initialized.\n", hwaccel->name, - ist->file_index, ist->st->index); - return AV_PIX_FMT_NONE; - } - continue; - } - ist->active_hwaccel_id = hwaccel->id; - ist->hwaccel_pix_fmt = *p; - break; - } - - return *p; -} - -static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags) -{ - InputStream *ist = s->opaque; - - if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt) - return ist->hwaccel_get_buffer(s, frame, flags); - - return avcodec_default_get_buffer2(s, frame, flags); -} - -static int init_input_stream(int ist_index, char *error, int error_len) -{ - int ret; - InputStream *ist = input_streams[ist_index]; - if (ist->decoding_needed) { - AVCodec *codec = ist->dec; - if (!codec) { - snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d", - ist->dec_ctx->codec_id, ist->file_index, ist->st->index); - return AVERROR(EINVAL); - } - - ist->dec_ctx->opaque = ist; - ist->dec_ctx->get_format = get_format; - ist->dec_ctx->get_buffer2 = get_buffer; - ist->dec_ctx->thread_safe_callbacks = 1; - - av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0); - - if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0)) - av_dict_set(&ist->decoder_opts, "threads", "auto", 0); - if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) { - char errbuf[128]; - if (ret == AVERROR_EXPERIMENTAL) - abort_codec_experimental(codec, 0); - - av_strerror(ret, errbuf, sizeof(errbuf)); - - snprintf(error, error_len, - "Error while opening decoder for input stream " - "#%d:%d : %s", - ist->file_index, ist->st->index, errbuf); - return ret; - } - assert_avoptions(ist->decoder_opts); - } - - ist->last_dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; - ist->next_dts = AV_NOPTS_VALUE; - init_pts_correction(&ist->pts_ctx); - - return 0; -} - -static InputStream *get_input_stream(OutputStream *ost) -{ - if (ost->source_index >= 0) - return input_streams[ost->source_index]; - - if (ost->filter) { - FilterGraph *fg = ost->filter->graph; - int i; - - for (i = 0; i < fg->nb_inputs; i++) - if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type) - return fg->inputs[i]->ist; - } - - return NULL; -} - -static int init_output_bsfs(OutputStream *ost) -{ - AVBSFContext *ctx; - int i, ret; - - if (!ost->nb_bitstream_filters) - return 0; - - ost->bsf_ctx = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_ctx)); - if (!ost->bsf_ctx) - return AVERROR(ENOMEM); - - for (i = 0; i < ost->nb_bitstream_filters; i++) { - ret = av_bsf_alloc(ost->bitstream_filters[i], &ctx); - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error allocating a bistream filter context\n"); - return ret; - } - ost->bsf_ctx[i] = ctx; - - ret = avcodec_parameters_copy(ctx->par_in, - i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar); - if (ret < 0) - return ret; - - ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base; - - ret = av_bsf_init(ctx); - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error initializing bistream filter: %s\n", - ost->bitstream_filters[i]->name); - return ret; - } - } - - ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1]; - ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out); - if (ret < 0) - return ret; - - ost->st->time_base = ctx->time_base_out; - - return 0; -} - -static int init_output_stream(OutputStream *ost, char *error, int error_len) -{ - int ret = 0; - - if (ost->encoding_needed) { - AVCodec *codec = ost->enc; - AVCodecContext *dec = NULL; - InputStream *ist; - - if ((ist = get_input_stream(ost))) - dec = ist->dec_ctx; - if (dec && dec->subtitle_header) { - ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size); - if (!ost->enc_ctx->subtitle_header) - return AVERROR(ENOMEM); - memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); - ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size; - } - if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0)) - av_dict_set(&ost->encoder_opts, "threads", "auto", 0); - - if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) { - ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx); - if (!ost->enc_ctx->hw_frames_ctx) - return AVERROR(ENOMEM); - } - - if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) { - if (ret == AVERROR_EXPERIMENTAL) - abort_codec_experimental(codec, 1); - snprintf(error, error_len, - "Error while opening encoder for output stream #%d:%d - " - "maybe incorrect parameters such as bit_rate, rate, width or height", - ost->file_index, ost->index); - return ret; - } - assert_avoptions(ost->encoder_opts); - if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000) - av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." - "It takes bits/s as argument, not kbits/s\n"); - - ret = avcodec_parameters_from_context(ost->st->codecpar, ost->enc_ctx); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, - "Error initializing the output stream codec context.\n"); - exit_program(1); - } - /* - * FIXME: this is only so that the bitstream filters and parsers (that still - * work with a codec context) get the parameter values. - * This should go away with the new BSF/parser API. - */ - ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx); - if (ret < 0) - return ret; - - if (ost->enc_ctx->nb_coded_side_data) { - int i; - - ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data, - sizeof(*ost->st->side_data)); - if (!ost->st->side_data) - return AVERROR(ENOMEM); - - for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) { - const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i]; - AVPacketSideData *sd_dst = &ost->st->side_data[i]; - - sd_dst->data = av_malloc(sd_src->size); - if (!sd_dst->data) - return AVERROR(ENOMEM); - memcpy(sd_dst->data, sd_src->data, sd_src->size); - sd_dst->size = sd_src->size; - sd_dst->type = sd_src->type; - ost->st->nb_side_data++; - } - } - - ost->st->time_base = ost->enc_ctx->time_base; - } else { - ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts); - if (ret < 0) - return ret; - - /* - * FIXME: this is only so that the bitstream filters and parsers (that still - * work with a codec context) get the parameter values. - * This should go away with the new BSF/parser API. - */ - ret = avcodec_parameters_to_context(ost->st->codec, ost->st->codecpar); - if (ret < 0) - return ret; - } - - /* initialize bitstream filters for the output stream - * needs to be done here, because the codec id for streamcopy is not - * known until now */ - ret = init_output_bsfs(ost); - if (ret < 0) - return ret; - - return ret; -} - -static void parse_forced_key_frames(char *kf, OutputStream *ost, - AVCodecContext *avctx) -{ - char *p; - int n = 1, i; - int64_t t; - - for (p = kf; *p; p++) - if (*p == ',') - n++; - ost->forced_kf_count = n; - ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n); - if (!ost->forced_kf_pts) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); - exit_program(1); - } - - p = kf; - for (i = 0; i < n; i++) { - char *next = strchr(p, ','); - - if (next) - *next++ = 0; - - t = parse_time_or_die("force_key_frames", p, 1); - ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); - - p = next; - } -} - -static void set_encoder_id(OutputFile *of, OutputStream *ost) -{ - AVDictionaryEntry *e; - - uint8_t *encoder_string; - int encoder_string_len; - int format_flags = 0; - - e = av_dict_get(of->opts, "fflags", NULL, 0); - if (e) { - const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0); - if (!o) - return; - av_opt_eval_flags(of->ctx, o, e->value, &format_flags); - } - - encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2; - encoder_string = av_mallocz(encoder_string_len); - if (!encoder_string) - exit_program(1); - - if (!(format_flags & AVFMT_FLAG_BITEXACT)) - av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len); - av_strlcat(encoder_string, ost->enc->name, encoder_string_len); - av_dict_set(&ost->st->metadata, "encoder", encoder_string, - AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE); -} - -static int transcode_init(void) -{ - int ret = 0, i, j, k; - AVFormatContext *oc; - OutputStream *ost; - InputStream *ist; - char error[1024]; - int want_sdp = 1; - - /* init framerate emulation */ - for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = input_files[i]; - if (ifile->rate_emu) - for (j = 0; j < ifile->nb_streams; j++) - input_streams[j + ifile->ist_index]->start = av_gettime_relative(); - } - - /* for each output stream, we compute the right encoding parameters */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - oc = output_files[ost->file_index]->ctx; - ist = get_input_stream(ost); - - if (ost->attachment_filename) - continue; - - if (ist) { - ost->st->disposition = ist->st->disposition; - } - - if (ost->stream_copy) { - AVCodecParameters *par_dst = ost->st->codecpar; - AVCodecParameters *par_src = ist->st->codecpar; - AVRational sar; - uint64_t extra_size; - - av_assert0(ist && !ost->filter); - - extra_size = (uint64_t)par_src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE; - - if (extra_size > INT_MAX) { - return AVERROR(EINVAL); - } - - /* if stream_copy is selected, no need to decode or encode */ - par_dst->codec_id = par_src->codec_id; - par_dst->codec_type = par_src->codec_type; - - if (!par_dst->codec_tag) { - if (!oc->oformat->codec_tag || - av_codec_get_id (oc->oformat->codec_tag, par_src->codec_tag) == par_dst->codec_id || - av_codec_get_tag(oc->oformat->codec_tag, par_src->codec_id) <= 0) - par_dst->codec_tag = par_src->codec_tag; - } - - par_dst->bit_rate = par_src->bit_rate; - par_dst->field_order = par_src->field_order; - par_dst->chroma_location = par_src->chroma_location; - par_dst->extradata = av_mallocz(extra_size); - if (!par_dst->extradata) { - return AVERROR(ENOMEM); - } - memcpy(par_dst->extradata, par_src->extradata, par_src->extradata_size); - par_dst->extradata_size = par_src->extradata_size; - - ost->st->time_base = ist->st->time_base; - - if (ist->st->nb_side_data) { - ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data, - sizeof(*ist->st->side_data)); - if (!ost->st->side_data) - return AVERROR(ENOMEM); - - for (j = 0; j < ist->st->nb_side_data; j++) { - const AVPacketSideData *sd_src = &ist->st->side_data[j]; - AVPacketSideData *sd_dst = &ost->st->side_data[j]; - - sd_dst->data = av_malloc(sd_src->size); - if (!sd_dst->data) - return AVERROR(ENOMEM); - memcpy(sd_dst->data, sd_src->data, sd_src->size); - sd_dst->size = sd_src->size; - sd_dst->type = sd_src->type; - ost->st->nb_side_data++; - } - } - - ost->parser = av_parser_init(par_dst->codec_id); - - switch (par_dst->codec_type) { - case AVMEDIA_TYPE_AUDIO: - if (audio_volume != 256) { - av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); - exit_program(1); - } - par_dst->channel_layout = par_src->channel_layout; - par_dst->sample_rate = par_src->sample_rate; - par_dst->channels = par_src->channels; - par_dst->block_align = par_src->block_align; - break; - case AVMEDIA_TYPE_VIDEO: - par_dst->format = par_src->format; - par_dst->width = par_src->width; - par_dst->height = par_src->height; - if (ost->frame_aspect_ratio) - sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255); - else if (ist->st->sample_aspect_ratio.num) - sar = ist->st->sample_aspect_ratio; - else - sar = par_src->sample_aspect_ratio; - ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar; - break; - case AVMEDIA_TYPE_SUBTITLE: - par_dst->width = par_src->width; - par_dst->height = par_src->height; - break; - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_ATTACHMENT: - break; - default: - abort(); - } - } else { - AVCodecContext *enc_ctx = ost->enc_ctx; - AVCodecContext *dec_ctx = NULL; - - if (!ost->enc) { - /* should only happen when a default codec is not present. */ - snprintf(error, sizeof(error), "Automatic encoder selection " - "failed for output stream #%d:%d. Default encoder for " - "format %s is probably disabled. Please choose an " - "encoder manually.\n", ost->file_index, ost->index, - oc->oformat->name); - ret = AVERROR(EINVAL); - goto dump_format; - } - - set_encoder_id(output_files[ost->file_index], ost); - - if (ist) { - dec_ctx = ist->dec_ctx; - - enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample; - enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location; - } - - /* - * We want CFR output if and only if one of those is true: - * 1) user specified output framerate with -r - * 2) user specified -vsync cfr - * 3) output format is CFR and the user didn't force vsync to - * something else than CFR - * - * in such a case, set ost->frame_rate - */ - if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && - !ost->frame_rate.num && ist && - (video_sync_method == VSYNC_CFR || - (video_sync_method == VSYNC_AUTO && - !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) { - if (ist->framerate.num) - ost->frame_rate = ist->framerate; - else if (ist->st->avg_frame_rate.num) - ost->frame_rate = ist->st->avg_frame_rate; - else { - av_log(NULL, AV_LOG_WARNING, "Constant framerate requested " - "for the output stream #%d:%d, but no information " - "about the input framerate is available. Falling " - "back to a default value of 25fps. Use the -r option " - "if you want a different framerate.\n", - ost->file_index, ost->index); - ost->frame_rate = (AVRational){ 25, 1 }; - } - - if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { - int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); - ost->frame_rate = ost->enc->supported_framerates[idx]; - } - } - -#if CONFIG_LIBMFX - if (qsv_transcode_init(ost)) - exit_program(1); -#endif - - if (!ost->filter && - (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO || - enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) { - FilterGraph *fg; - fg = init_simple_filtergraph(ist, ost); - if (configure_filtergraph(fg)) { - av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); - exit_program(1); - } - } - - switch (enc_ctx->codec_type) { - case AVMEDIA_TYPE_AUDIO: - enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format; - enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate; - enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout; - enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout); - enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate }; - break; - case AVMEDIA_TYPE_VIDEO: - enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base; - - enc_ctx->width = ost->filter->filter->inputs[0]->w; - enc_ctx->height = ost->filter->filter->inputs[0]->h; - enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio = - ost->frame_aspect_ratio ? // overridden by the -aspect cli option - av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) : - ost->filter->filter->inputs[0]->sample_aspect_ratio; - enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format; - - ost->st->avg_frame_rate = ost->frame_rate; - - if (dec_ctx && - (enc_ctx->width != dec_ctx->width || - enc_ctx->height != dec_ctx->height || - enc_ctx->pix_fmt != dec_ctx->pix_fmt)) { - enc_ctx->bits_per_raw_sample = 0; - } - - if (ost->forced_keyframes) - parse_forced_key_frames(ost->forced_keyframes, ost, - ost->enc_ctx); - break; - case AVMEDIA_TYPE_SUBTITLE: - enc_ctx->time_base = (AVRational){1, 1000}; - break; - default: - abort(); - break; - } - } - } - - /* init input streams */ - for (i = 0; i < nb_input_streams; i++) - if ((ret = init_input_stream(i, error, sizeof(error))) < 0) - goto dump_format; - - /* open each encoder */ - for (i = 0; i < nb_output_streams; i++) { - ret = init_output_stream(output_streams[i], error, sizeof(error)); - if (ret < 0) - goto dump_format; - } - - - /* discard unused programs */ - for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = input_files[i]; - for (j = 0; j < ifile->ctx->nb_programs; j++) { - AVProgram *p = ifile->ctx->programs[j]; - int discard = AVDISCARD_ALL; - - for (k = 0; k < p->nb_stream_indexes; k++) - if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { - discard = AVDISCARD_DEFAULT; - break; - } - p->discard = discard; - } - } - - /* open files and write file headers */ - for (i = 0; i < nb_output_files; i++) { - oc = output_files[i]->ctx; - oc->interrupt_callback = int_cb; - if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { - char errbuf[128]; - av_strerror(ret, errbuf, sizeof(errbuf)); - snprintf(error, sizeof(error), - "Could not write header for output file #%d " - "(incorrect codec parameters ?): %s", - i, errbuf); - ret = AVERROR(EINVAL); - goto dump_format; - } - assert_avoptions(output_files[i]->opts); - if (strcmp(oc->oformat->name, "rtp")) { - want_sdp = 0; - } - } - - dump_format: - /* dump the file output parameters - cannot be done before in case - of stream copy */ - for (i = 0; i < nb_output_files; i++) { - av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); - } - - /* dump the stream mapping */ - av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - - for (j = 0; j < ist->nb_filters; j++) { - if (ist->filters[j]->graph->graph_desc) { - av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", - ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", - ist->filters[j]->name); - if (nb_filtergraphs > 1) - av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); - av_log(NULL, AV_LOG_INFO, "\n"); - } - } - } - - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - - if (ost->attachment_filename) { - /* an attached file */ - av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", - ost->attachment_filename, ost->file_index, ost->index); - continue; - } - - if (ost->filter && ost->filter->graph->graph_desc) { - /* output from a complex graph */ - av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name); - if (nb_filtergraphs > 1) - av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); - - av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, - ost->index, ost->enc ? ost->enc->name : "?"); - continue; - } - - av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", - input_streams[ost->source_index]->file_index, - input_streams[ost->source_index]->st->index, - ost->file_index, - ost->index); - if (ost->sync_ist != input_streams[ost->source_index]) - av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", - ost->sync_ist->file_index, - ost->sync_ist->st->index); - if (ost->stream_copy) - av_log(NULL, AV_LOG_INFO, " (copy)"); - else { - const AVCodec *in_codec = input_streams[ost->source_index]->dec; - const AVCodec *out_codec = ost->enc; - const char *decoder_name = "?"; - const char *in_codec_name = "?"; - const char *encoder_name = "?"; - const char *out_codec_name = "?"; - const AVCodecDescriptor *desc; - - if (in_codec) { - decoder_name = in_codec->name; - desc = avcodec_descriptor_get(in_codec->id); - if (desc) - in_codec_name = desc->name; - if (!strcmp(decoder_name, in_codec_name)) - decoder_name = "native"; - } - - if (out_codec) { - encoder_name = out_codec->name; - desc = avcodec_descriptor_get(out_codec->id); - if (desc) - out_codec_name = desc->name; - if (!strcmp(encoder_name, out_codec_name)) - encoder_name = "native"; - } - - av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))", - in_codec_name, decoder_name, - out_codec_name, encoder_name); - } - av_log(NULL, AV_LOG_INFO, "\n"); - } - - if (ret) { - av_log(NULL, AV_LOG_ERROR, "%s\n", error); - return ret; - } - - if (want_sdp) { - print_sdp(); - } - - return 0; -} - -/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ -static int need_output(void) -{ - int i; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - OutputFile *of = output_files[ost->file_index]; - AVFormatContext *os = output_files[ost->file_index]->ctx; - - if (ost->finished || - (os->pb && avio_tell(os->pb) >= of->limit_filesize)) - continue; - if (ost->frame_number >= ost->max_frames) { - int j; - for (j = 0; j < of->ctx->nb_streams; j++) - output_streams[of->ost_index + j]->finished = 1; - continue; - } - - return 1; - } - - return 0; -} - -static InputFile *select_input_file(void) -{ - InputFile *ifile = NULL; - int64_t ipts_min = INT64_MAX; - int i; - - for (i = 0; i < nb_input_streams; i++) { - InputStream *ist = input_streams[i]; - int64_t ipts = ist->last_dts; - - if (ist->discard || input_files[ist->file_index]->eagain) - continue; - if (!input_files[ist->file_index]->eof_reached) { - if (ipts < ipts_min) { - ipts_min = ipts; - ifile = input_files[ist->file_index]; - } - } - } - - return ifile; -} - -#if HAVE_PTHREADS -static void *input_thread(void *arg) -{ - InputFile *f = arg; - int ret = 0; - - while (!transcoding_finished && ret >= 0) { - AVPacket pkt; - ret = av_read_frame(f->ctx, &pkt); - - if (ret == AVERROR(EAGAIN)) { - av_usleep(10000); - ret = 0; - continue; - } else if (ret < 0) - break; - - pthread_mutex_lock(&f->fifo_lock); - while (!av_fifo_space(f->fifo)) - pthread_cond_wait(&f->fifo_cond, &f->fifo_lock); - - av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL); - - pthread_mutex_unlock(&f->fifo_lock); - } - - f->finished = 1; - return NULL; -} - -static void free_input_threads(void) -{ - int i; - - if (nb_input_files == 1) - return; - - transcoding_finished = 1; - - for (i = 0; i < nb_input_files; i++) { - InputFile *f = input_files[i]; - AVPacket pkt; - - if (!f->fifo || f->joined) - continue; - - pthread_mutex_lock(&f->fifo_lock); - while (av_fifo_size(f->fifo)) { - av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); - av_packet_unref(&pkt); - } - pthread_cond_signal(&f->fifo_cond); - pthread_mutex_unlock(&f->fifo_lock); - - pthread_join(f->thread, NULL); - f->joined = 1; - - while (av_fifo_size(f->fifo)) { - av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); - av_packet_unref(&pkt); - } - av_fifo_free(f->fifo); - } -} - -static int init_input_threads(void) -{ - int i, ret; - - if (nb_input_files == 1) - return 0; - - for (i = 0; i < nb_input_files; i++) { - InputFile *f = input_files[i]; - - if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket)))) - return AVERROR(ENOMEM); - - pthread_mutex_init(&f->fifo_lock, NULL); - pthread_cond_init (&f->fifo_cond, NULL); - - if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) - return AVERROR(ret); - } - return 0; -} - -static int get_input_packet_mt(InputFile *f, AVPacket *pkt) -{ - int ret = 0; - - pthread_mutex_lock(&f->fifo_lock); - - if (av_fifo_size(f->fifo)) { - av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL); - pthread_cond_signal(&f->fifo_cond); - } else { - if (f->finished) - ret = AVERROR_EOF; - else - ret = AVERROR(EAGAIN); - } - - pthread_mutex_unlock(&f->fifo_lock); - - return ret; -} -#endif - -static int get_input_packet(InputFile *f, AVPacket *pkt) -{ - if (f->rate_emu) { - int i; - for (i = 0; i < f->nb_streams; i++) { - InputStream *ist = input_streams[f->ist_index + i]; - int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE); - int64_t now = av_gettime_relative() - ist->start; - if (pts > now) - return AVERROR(EAGAIN); - } - } - -#if HAVE_PTHREADS - if (nb_input_files > 1) - return get_input_packet_mt(f, pkt); -#endif - return av_read_frame(f->ctx, pkt); -} - -static int got_eagain(void) -{ - int i; - for (i = 0; i < nb_input_files; i++) - if (input_files[i]->eagain) - return 1; - return 0; -} - -static void reset_eagain(void) -{ - int i; - for (i = 0; i < nb_input_files; i++) - input_files[i]->eagain = 0; -} - -// set duration to max(tmp, duration) in a proper time base and return duration's time_base -static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base, - AVRational time_base) -{ - int ret; - - if (!*duration) { - *duration = tmp; - return tmp_time_base; - } - - ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base); - if (ret < 0) { - *duration = tmp; - return tmp_time_base; - } - - return time_base; -} - -static int seek_to_start(InputFile *ifile, AVFormatContext *is) -{ - InputStream *ist; - AVCodecContext *avctx; - int i, ret, has_audio = 0; - int64_t duration = 0; - - ret = av_seek_frame(is, -1, is->start_time, 0); - if (ret < 0) - return ret; - - for (i = 0; i < ifile->nb_streams; i++) { - ist = input_streams[ifile->ist_index + i]; - avctx = ist->dec_ctx; - - // flush decoders - if (ist->decoding_needed) { - process_input_packet(ist, NULL, 1); - avcodec_flush_buffers(avctx); - } - - /* duration is the length of the last frame in a stream - * when audio stream is present we don't care about - * last video frame length because it's not defined exactly */ - if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) - has_audio = 1; - } - - for (i = 0; i < ifile->nb_streams; i++) { - ist = input_streams[ifile->ist_index + i]; - avctx = ist->dec_ctx; - - if (has_audio) { - if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) { - AVRational sample_rate = {1, avctx->sample_rate}; - - duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base); - } else - continue; - } else { - if (ist->framerate.num) { - duration = av_rescale_q(1, ist->framerate, ist->st->time_base); - } else if (ist->st->avg_frame_rate.num) { - duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base); - } else duration = 1; - } - if (!ifile->duration) - ifile->time_base = ist->st->time_base; - /* the total duration of the stream, max_pts - min_pts is - * the duration of the stream without the last frame */ - duration += ist->max_pts - ist->min_pts; - ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base, - ifile->time_base); - } - - if (ifile->loop > 0) - ifile->loop--; - - return ret; -} - -/* - * Read one packet from an input file and send it for - * - decoding -> lavfi (audio/video) - * - decoding -> encoding -> muxing (subtitles) - * - muxing (streamcopy) - * - * Return - * - 0 -- one packet was read and processed - * - AVERROR(EAGAIN) -- no packets were available for selected file, - * this function should be called again - * - AVERROR_EOF -- this function should not be called again - */ -static int process_input(void) -{ - InputFile *ifile; - AVFormatContext *is; - InputStream *ist; - AVPacket pkt; - int ret, i, j; - int64_t duration; - - /* select the stream that we must read now */ - ifile = select_input_file(); - /* if none, if is finished */ - if (!ifile) { - if (got_eagain()) { - reset_eagain(); - av_usleep(10000); - return AVERROR(EAGAIN); - } - av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n"); - return AVERROR_EOF; - } - - is = ifile->ctx; - ret = get_input_packet(ifile, &pkt); - - if (ret == AVERROR(EAGAIN)) { - ifile->eagain = 1; - return ret; - } - if (ret < 0 && ifile->loop) { - if ((ret = seek_to_start(ifile, is)) < 0) - return ret; - ret = get_input_packet(ifile, &pkt); - } - if (ret < 0) { - if (ret != AVERROR_EOF) { - print_error(is->filename, ret); - if (exit_on_error) - exit_program(1); - } - ifile->eof_reached = 1; - - for (i = 0; i < ifile->nb_streams; i++) { - ist = input_streams[ifile->ist_index + i]; - if (ist->decoding_needed) - process_input_packet(ist, NULL, 0); - - /* mark all outputs that don't go through lavfi as finished */ - for (j = 0; j < nb_output_streams; j++) { - OutputStream *ost = output_streams[j]; - - if (ost->source_index == ifile->ist_index + i && - (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE)) - finish_output_stream(ost); - } - } - - return AVERROR(EAGAIN); - } - - reset_eagain(); - - if (do_pkt_dump) { - av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, - is->streams[pkt.stream_index]); - } - /* the following test is needed in case new streams appear - dynamically in stream : we ignore them */ - if (pkt.stream_index >= ifile->nb_streams) - goto discard_packet; - - ist = input_streams[ifile->ist_index + pkt.stream_index]; - - ist->data_size += pkt.size; - ist->nb_packets++; - - if (ist->discard) - goto discard_packet; - - /* add the stream-global side data to the first packet */ - if (ist->nb_packets == 1) - for (i = 0; i < ist->st->nb_side_data; i++) { - AVPacketSideData *src_sd = &ist->st->side_data[i]; - uint8_t *dst_data; - - if (av_packet_get_side_data(&pkt, src_sd->type, NULL)) - continue; - if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX) - continue; - - dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size); - if (!dst_data) - exit_program(1); - - memcpy(dst_data, src_sd->data, src_sd->size); - } - - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); - - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts *= ist->ts_scale; - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts *= ist->ts_scale; - - if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO || - ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) && - pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && - (is->iformat->flags & AVFMT_TS_DISCONT)) { - int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); - int64_t delta = pkt_dts - ist->next_dts; - - if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) { - ifile->ts_offset -= delta; - av_log(NULL, AV_LOG_DEBUG, - "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", - delta, ifile->ts_offset); - pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); - } - } - duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) { - pkt.pts += duration; - ist->max_pts = FFMAX(pkt.pts, ist->max_pts); - ist->min_pts = FFMIN(pkt.pts, ist->min_pts); - } - - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts += duration; - - process_input_packet(ist, &pkt, 0); - -discard_packet: - av_packet_unref(&pkt); - - return 0; -} - -/* - * The following code is the main loop of the file converter - */ -static int transcode(void) -{ - int ret, i, need_input = 1; - AVFormatContext *os; - OutputStream *ost; - InputStream *ist; - int64_t timer_start; - - ret = transcode_init(); - if (ret < 0) - goto fail; - - av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n"); - term_init(); - - timer_start = av_gettime_relative(); - -#if HAVE_PTHREADS - if ((ret = init_input_threads()) < 0) - goto fail; -#endif - - while (!received_sigterm) { - /* check if there's any stream where output is still needed */ - if (!need_output()) { - av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n"); - break; - } - - /* read and process one input packet if needed */ - if (need_input) { - ret = process_input(); - if (ret == AVERROR_EOF) - need_input = 0; - } - - ret = poll_filters(); - if (ret < 0 && ret != AVERROR_EOF) { - char errbuf[128]; - av_strerror(ret, errbuf, sizeof(errbuf)); - - av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf); - break; - } - - /* dump report by using the output first video and audio streams */ - print_report(0, timer_start); - } -#if HAVE_PTHREADS - free_input_threads(); -#endif - - /* at the end of stream, we must flush the decoder buffers */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) { - process_input_packet(ist, NULL, 0); - } - } - poll_filters(); - flush_encoders(); - - term_exit(); - - /* write the trailer if needed and close file */ - for (i = 0; i < nb_output_files; i++) { - os = output_files[i]->ctx; - av_write_trailer(os); - } - - /* dump report by using the first video and audio streams */ - print_report(1, timer_start); - - /* close each encoder */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost->encoding_needed) { - av_freep(&ost->enc_ctx->stats_in); - } - } - - /* close each decoder */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->decoding_needed) { - avcodec_close(ist->dec_ctx); - if (ist->hwaccel_uninit) - ist->hwaccel_uninit(ist->dec_ctx); - } - } - - /* finished ! */ - ret = 0; - - fail: -#if HAVE_PTHREADS - free_input_threads(); -#endif - - if (output_streams) { - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost) { - if (ost->logfile) { - fclose(ost->logfile); - ost->logfile = NULL; - } - av_free(ost->forced_kf_pts); - av_dict_free(&ost->encoder_opts); - av_dict_free(&ost->resample_opts); - } - } - } - return ret; -} - -static int64_t getutime(void) -{ -#if HAVE_GETRUSAGE - struct rusage rusage; - - getrusage(RUSAGE_SELF, &rusage); - return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; -#elif HAVE_GETPROCESSTIMES - HANDLE proc; - FILETIME c, e, k, u; - proc = GetCurrentProcess(); - GetProcessTimes(proc, &c, &e, &k, &u); - return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; -#else - return av_gettime_relative(); -#endif -} - -static int64_t getmaxrss(void) -{ -#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS - struct rusage rusage; - getrusage(RUSAGE_SELF, &rusage); - return (int64_t)rusage.ru_maxrss * 1024; -#elif HAVE_GETPROCESSMEMORYINFO - HANDLE proc; - PROCESS_MEMORY_COUNTERS memcounters; - proc = GetCurrentProcess(); - memcounters.cb = sizeof(memcounters); - GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters)); - return memcounters.PeakPagefileUsage; -#else - return 0; -#endif -} - -int main(int argc, char **argv) -{ - int ret; - int64_t ti; - - register_exit(avconv_cleanup); - - av_log_set_flags(AV_LOG_SKIP_REPEATED); - parse_loglevel(argc, argv, options); - - avcodec_register_all(); -#if CONFIG_AVDEVICE - avdevice_register_all(); -#endif - avfilter_register_all(); - av_register_all(); - avformat_network_init(); - - show_banner(); - - /* parse options and open all input/output files */ - ret = avconv_parse_options(argc, argv); - if (ret < 0) - exit_program(1); - - if (nb_output_files <= 0 && nb_input_files == 0) { - show_usage(); - av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name); - exit_program(1); - } - - /* file converter / grab */ - if (nb_output_files <= 0) { - fprintf(stderr, "At least one output file must be specified\n"); - exit_program(1); - } - - ti = getutime(); - if (transcode() < 0) - exit_program(1); - ti = getutime() - ti; - if (do_benchmark) { - int maxrss = getmaxrss() / 1024; - printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss); - } - - exit_program(0); - return 0; -} |