2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavformat/os_support.h"
65 #include "libavformat/ffm.h" // not public API
67 # include "libavfilter/avcodec.h"
68 # include "libavfilter/avfilter.h"
69 # include "libavfilter/buffersrc.h"
70 # include "libavfilter/buffersink.h"
72 #if HAVE_SYS_RESOURCE_H
74 #include <sys/types.h>
75 #include <sys/resource.h>
76 #elif HAVE_GETPROCESSTIMES
79 #if HAVE_GETPROCESSMEMORYINFO
85 #include <sys/select.h>
90 #include <sys/ioctl.h>
104 #include "cmdutils.h"
106 #include "libavutil/avassert.h"
108 const char program_name[] = "ffmpeg";
109 const int program_birth_year = 2000;
111 static FILE *vstats_file;
113 const char *const forced_keyframes_const_names[] = {
122 static void do_video_stats(OutputStream *ost, int frame_size);
123 static int64_t getutime(void);
124 static int64_t getmaxrss(void);
126 static int run_as_daemon = 0;
127 static int nb_frames_dup = 0;
128 static int nb_frames_drop = 0;
129 static int64_t decode_error_stat[2];
131 static int current_time;
132 AVIOContext *progress_avio = NULL;
134 static uint8_t *subtitle_out;
136 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
138 InputStream **input_streams = NULL;
139 int nb_input_streams = 0;
140 InputFile **input_files = NULL;
141 int nb_input_files = 0;
143 OutputStream **output_streams = NULL;
144 int nb_output_streams = 0;
145 OutputFile **output_files = NULL;
146 int nb_output_files = 0;
148 FilterGraph **filtergraphs;
153 /* init terminal so that we can grab keys */
154 static struct termios oldtty;
155 static int restore_tty;
158 static void free_input_threads(void);
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
166 static int sub2video_get_blank_frame(InputStream *ist)
169 AVFrame *frame = ist->sub2video.frame;
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->sub2video.w;
173 ist->sub2video.frame->height = ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
181 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
184 uint32_t *pal, *dst2;
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
197 dst += r->y * dst_linesize + r->x * 4;
198 src = r->pict.data[0];
199 pal = (uint32_t *)r->pict.data[1];
200 for (y = 0; y < r->h; y++) {
201 dst2 = (uint32_t *)dst;
203 for (x = 0; x < r->w; x++)
204 *(dst2++) = pal[*(src2++)];
206 src += r->pict.linesize[0];
210 static void sub2video_push_ref(InputStream *ist, int64_t pts)
212 AVFrame *frame = ist->sub2video.frame;
215 av_assert1(frame->data[0]);
216 ist->sub2video.last_pts = frame->pts = pts;
217 for (i = 0; i < ist->nb_filters; i++)
218 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
219 AV_BUFFERSRC_FLAG_KEEP_REF |
220 AV_BUFFERSRC_FLAG_PUSH);
223 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
225 int w = ist->sub2video.w, h = ist->sub2video.h;
226 AVFrame *frame = ist->sub2video.frame;
230 int64_t pts, end_pts;
235 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
236 AV_TIME_BASE_Q, ist->st->time_base);
237 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
238 AV_TIME_BASE_Q, ist->st->time_base);
239 num_rects = sub->num_rects;
241 pts = ist->sub2video.end_pts;
245 if (sub2video_get_blank_frame(ist) < 0) {
246 av_log(ist->dec_ctx, AV_LOG_ERROR,
247 "Impossible to get a blank canvas.\n");
250 dst = frame->data [0];
251 dst_linesize = frame->linesize[0];
252 for (i = 0; i < num_rects; i++)
253 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
254 sub2video_push_ref(ist, pts);
255 ist->sub2video.end_pts = end_pts;
258 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
260 InputFile *infile = input_files[ist->file_index];
264 /* When a frame is read from a file, examine all sub2video streams in
265 the same file and send the sub2video frame again. Otherwise, decoded
266 video frames could be accumulating in the filter graph while a filter
267 (possibly overlay) is desperately waiting for a subtitle frame. */
268 for (i = 0; i < infile->nb_streams; i++) {
269 InputStream *ist2 = input_streams[infile->ist_index + i];
270 if (!ist2->sub2video.frame)
272 /* subtitles seem to be usually muxed ahead of other streams;
273 if not, substracting a larger time here is necessary */
274 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
275 /* do not send the heartbeat frame if the subtitle is already ahead */
276 if (pts2 <= ist2->sub2video.last_pts)
278 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
279 sub2video_update(ist2, NULL);
280 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
281 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
283 sub2video_push_ref(ist2, pts2);
287 static void sub2video_flush(InputStream *ist)
291 if (ist->sub2video.end_pts < INT64_MAX)
292 sub2video_update(ist, NULL);
293 for (i = 0; i < ist->nb_filters; i++)
294 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
297 /* end of sub2video hack */
299 static void term_exit_sigsafe(void)
303 tcsetattr (0, TCSANOW, &oldtty);
309 av_log(NULL, AV_LOG_QUIET, "%s", "");
313 static volatile int received_sigterm = 0;
314 static volatile int received_nb_signals = 0;
315 static volatile int transcode_init_done = 0;
316 static int main_return_code = 0;
319 sigterm_handler(int sig)
321 received_sigterm = sig;
322 received_nb_signals++;
324 if(received_nb_signals > 3)
335 istty = isatty(0) && isatty(2);
337 if (istty && tcgetattr (0, &tty) == 0) {
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 avformat_network_deinit();
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
360 signal(SIGXCPU, sigterm_handler);
364 /* read a key without blocking */
365 static int read_key(void)
377 n = select(1, &rfds, NULL, NULL, &tv);
386 # if HAVE_PEEKNAMEDPIPE
388 static HANDLE input_handle;
391 input_handle = GetStdHandle(STD_INPUT_HANDLE);
392 is_pipe = !GetConsoleMode(input_handle, &dw);
395 if (stdin->_cnt > 0) {
400 /* When running under a GUI, you will end here. */
401 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
402 // input pipe may have been closed by the program that ran ffmpeg
420 static int decode_interrupt_cb(void *ctx)
422 return received_nb_signals > transcode_init_done;
425 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
427 static void ffmpeg_cleanup(int ret)
432 int maxrss = getmaxrss() / 1024;
433 printf("bench: maxrss=%ikB\n", maxrss);
436 for (i = 0; i < nb_filtergraphs; i++) {
437 FilterGraph *fg = filtergraphs[i];
438 avfilter_graph_free(&fg->graph);
439 for (j = 0; j < fg->nb_inputs; j++) {
440 av_freep(&fg->inputs[j]->name);
441 av_freep(&fg->inputs[j]);
443 av_freep(&fg->inputs);
444 for (j = 0; j < fg->nb_outputs; j++) {
445 av_freep(&fg->outputs[j]->name);
446 av_freep(&fg->outputs[j]);
448 av_freep(&fg->outputs);
449 av_freep(&fg->graph_desc);
451 av_freep(&filtergraphs[i]);
453 av_freep(&filtergraphs);
455 av_freep(&subtitle_out);
458 for (i = 0; i < nb_output_files; i++) {
459 OutputFile *of = output_files[i];
460 AVFormatContext *s = of->ctx;
461 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
463 avformat_free_context(s);
464 av_dict_free(&of->opts);
466 av_freep(&output_files[i]);
468 for (i = 0; i < nb_output_streams; i++) {
469 OutputStream *ost = output_streams[i];
470 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
472 AVBitStreamFilterContext *next = bsfc->next;
473 av_bitstream_filter_close(bsfc);
476 ost->bitstream_filters = NULL;
477 av_frame_free(&ost->filtered_frame);
479 av_parser_close(ost->parser);
481 av_freep(&ost->forced_keyframes);
482 av_expr_free(ost->forced_keyframes_pexpr);
483 av_freep(&ost->avfilter);
484 av_freep(&ost->logfile_prefix);
486 avcodec_free_context(&ost->enc_ctx);
488 av_freep(&output_streams[i]);
491 free_input_threads();
493 for (i = 0; i < nb_input_files; i++) {
494 avformat_close_input(&input_files[i]->ctx);
495 av_freep(&input_files[i]);
497 for (i = 0; i < nb_input_streams; i++) {
498 InputStream *ist = input_streams[i];
500 av_frame_free(&ist->decoded_frame);
501 av_frame_free(&ist->filter_frame);
502 av_dict_free(&ist->decoder_opts);
503 avsubtitle_free(&ist->prev_sub.subtitle);
504 av_frame_free(&ist->sub2video.frame);
505 av_freep(&ist->filters);
506 av_freep(&ist->hwaccel_device);
508 avcodec_free_context(&ist->dec_ctx);
510 av_freep(&input_streams[i]);
515 av_free(vstats_filename);
517 av_freep(&input_streams);
518 av_freep(&input_files);
519 av_freep(&output_streams);
520 av_freep(&output_files);
524 avformat_network_deinit();
526 if (received_sigterm) {
527 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
528 (int) received_sigterm);
529 } else if (ret && transcode_init_done) {
530 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
535 void assert_avoptions(AVDictionary *m)
537 AVDictionaryEntry *t;
538 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
539 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
544 static void abort_codec_experimental(AVCodec *c, int encoder)
549 static void update_benchmark(const char *fmt, ...)
551 if (do_benchmark_all) {
552 int64_t t = getutime();
558 vsnprintf(buf, sizeof(buf), fmt, va);
560 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
566 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
569 for (i = 0; i < nb_output_streams; i++) {
570 OutputStream *ost2 = output_streams[i];
571 ost2->finished |= ost == ost2 ? this_stream : others;
575 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
577 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
578 AVCodecContext *avctx = ost->enc_ctx;
581 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
582 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
583 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
586 * Audio encoders may split the packets -- #frames in != #packets out.
587 * But there is no reordering, so we can limit the number of output packets
588 * by simply dropping them here.
589 * Counting encoded video frames needs to be done separately because of
590 * reordering, see do_video_out()
592 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
593 if (ost->frame_number >= ost->max_frames) {
601 av_packet_split_side_data(pkt);
604 AVPacket new_pkt = *pkt;
605 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
606 &new_pkt.data, &new_pkt.size,
607 pkt->data, pkt->size,
608 pkt->flags & AV_PKT_FLAG_KEY);
609 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
610 uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
612 memcpy(t, new_pkt.data, new_pkt.size);
613 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
622 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
623 av_buffer_default_free, NULL, 0);
627 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
628 bsfc->filter->name, pkt->stream_index,
629 avctx->codec ? avctx->codec->name : "copy");
639 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
640 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
641 pkt->dts != AV_NOPTS_VALUE &&
642 ost->last_mux_dts != AV_NOPTS_VALUE) {
643 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
644 if (pkt->dts < max) {
645 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
646 av_log(s, loglevel, "Non-monotonous DTS in output stream "
647 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
648 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
650 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
653 av_log(s, loglevel, "changing to %"PRId64". This may result "
654 "in incorrect timestamps in the output file.\n",
656 if(pkt->pts >= pkt->dts)
657 pkt->pts = FFMAX(pkt->pts, max);
661 ost->last_mux_dts = pkt->dts;
663 ost->data_size += pkt->size;
664 ost->packets_written++;
666 pkt->stream_index = ost->index;
669 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
670 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
671 av_get_media_type_string(ost->st->codec->codec_type),
672 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
673 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
678 ret = av_interleaved_write_frame(s, pkt);
680 print_error("av_interleaved_write_frame()", ret);
681 main_return_code = 1;
682 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
687 static void close_output_stream(OutputStream *ost)
689 OutputFile *of = output_files[ost->file_index];
691 ost->finished |= ENCODER_FINISHED;
693 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
694 of->recording_time = FFMIN(of->recording_time, end);
698 static int check_recording_time(OutputStream *ost)
700 OutputFile *of = output_files[ost->file_index];
702 if (of->recording_time != INT64_MAX &&
703 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
704 AV_TIME_BASE_Q) >= 0) {
705 close_output_stream(ost);
711 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
714 AVCodecContext *enc = ost->enc_ctx;
718 av_init_packet(&pkt);
722 if (!check_recording_time(ost))
725 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
726 frame->pts = ost->sync_opts;
727 ost->sync_opts = frame->pts + frame->nb_samples;
728 ost->samples_encoded += frame->nb_samples;
729 ost->frames_encoded++;
731 av_assert0(pkt.size || !pkt.data);
732 update_benchmark(NULL);
734 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
735 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
736 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
737 enc->time_base.num, enc->time_base.den);
740 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
741 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
744 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
747 if (pkt.pts != AV_NOPTS_VALUE)
748 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
749 if (pkt.dts != AV_NOPTS_VALUE)
750 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
751 if (pkt.duration > 0)
752 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
755 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
756 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
757 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
758 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
761 write_frame(s, &pkt, ost);
765 static void do_subtitle_out(AVFormatContext *s,
770 int subtitle_out_max_size = 1024 * 1024;
771 int subtitle_out_size, nb, i;
776 if (sub->pts == AV_NOPTS_VALUE) {
777 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
786 subtitle_out = av_malloc(subtitle_out_max_size);
789 /* Note: DVB subtitle need one packet to draw them and one other
790 packet to clear them */
791 /* XXX: signal it in the codec context ? */
792 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
797 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
799 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
800 pts -= output_files[ost->file_index]->start_time;
801 for (i = 0; i < nb; i++) {
802 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
803 if (!check_recording_time(ost))
807 // start_display_time is required to be 0
808 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
809 sub->end_display_time -= sub->start_display_time;
810 sub->start_display_time = 0;
814 ost->frames_encoded++;
816 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
817 subtitle_out_max_size, sub);
818 if (subtitle_out_size < 0) {
819 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
823 av_init_packet(&pkt);
824 pkt.data = subtitle_out;
825 pkt.size = subtitle_out_size;
826 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
827 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
828 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
829 /* XXX: the pts correction is handled here. Maybe handling
830 it in the codec would be better */
832 pkt.pts += 90 * sub->start_display_time;
834 pkt.pts += 90 * sub->end_display_time;
837 write_frame(s, &pkt, ost);
841 static void do_video_out(AVFormatContext *s,
845 int ret, format_video_sync;
847 AVCodecContext *enc = ost->enc_ctx;
848 AVCodecContext *mux_enc = ost->st->codec;
850 double sync_ipts, delta;
853 InputStream *ist = NULL;
855 if (ost->source_index >= 0)
856 ist = input_streams[ost->source_index];
858 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
859 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
861 sync_ipts = in_picture->pts;
862 delta = sync_ipts - ost->sync_opts + duration;
864 /* by default, we output a single frame */
867 format_video_sync = video_sync_method;
868 if (format_video_sync == VSYNC_AUTO) {
869 if(!strcmp(s->oformat->name, "avi")) {
870 format_video_sync = VSYNC_VFR;
872 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
874 && format_video_sync == VSYNC_CFR
875 && input_files[ist->file_index]->ctx->nb_streams == 1
876 && input_files[ist->file_index]->input_ts_offset == 0) {
877 format_video_sync = VSYNC_VSCFR;
879 if (format_video_sync == VSYNC_CFR && copy_ts) {
880 format_video_sync = VSYNC_VSCFR;
884 switch (format_video_sync) {
886 if (ost->frame_number == 0 && delta - duration >= 0.5) {
887 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
889 ost->sync_opts = lrint(sync_ipts);
892 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
895 else if (delta > 1.1)
896 nb_frames = lrintf(delta);
901 else if (delta > 0.6)
902 ost->sync_opts = lrint(sync_ipts);
905 case VSYNC_PASSTHROUGH:
906 ost->sync_opts = lrint(sync_ipts);
912 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
913 if (nb_frames == 0) {
915 av_log(NULL, AV_LOG_VERBOSE,
916 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
917 ost->frame_number, ost->st->index, in_picture->pts);
919 } else if (nb_frames > 1) {
920 if (nb_frames > dts_error_threshold * 30) {
921 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
925 nb_frames_dup += nb_frames - 1;
926 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
929 /* duplicates frame if needed */
930 for (i = 0; i < nb_frames; i++) {
931 av_init_packet(&pkt);
935 in_picture->pts = ost->sync_opts;
938 if (!check_recording_time(ost))
940 if (ost->frame_number >= ost->max_frames)
944 if (s->oformat->flags & AVFMT_RAWPICTURE &&
945 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
946 /* raw pictures are written as AVPicture structure to
947 avoid any copies. We support temporarily the older
949 mux_enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
950 mux_enc->coded_frame->top_field_first = in_picture->top_field_first;
951 if (mux_enc->coded_frame->interlaced_frame)
952 mux_enc->field_order = mux_enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
954 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
955 pkt.data = (uint8_t *)in_picture;
956 pkt.size = sizeof(AVPicture);
957 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
958 pkt.flags |= AV_PKT_FLAG_KEY;
960 write_frame(s, &pkt, ost);
962 int got_packet, forced_keyframe = 0;
965 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
966 ost->top_field_first >= 0)
967 in_picture->top_field_first = !!ost->top_field_first;
969 if (in_picture->interlaced_frame) {
970 if (enc->codec->id == AV_CODEC_ID_MJPEG)
971 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
973 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
975 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
977 in_picture->quality = enc->global_quality;
978 if (!enc->me_threshold)
979 in_picture->pict_type = 0;
981 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
982 in_picture->pts * av_q2d(enc->time_base) : NAN;
983 if (ost->forced_kf_index < ost->forced_kf_count &&
984 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
985 ost->forced_kf_index++;
987 } else if (ost->forced_keyframes_pexpr) {
989 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
990 res = av_expr_eval(ost->forced_keyframes_pexpr,
991 ost->forced_keyframes_expr_const_values, NULL);
992 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
993 ost->forced_keyframes_expr_const_values[FKF_N],
994 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
995 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
996 ost->forced_keyframes_expr_const_values[FKF_T],
997 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1000 forced_keyframe = 1;
1001 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1002 ost->forced_keyframes_expr_const_values[FKF_N];
1003 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1004 ost->forced_keyframes_expr_const_values[FKF_T];
1005 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1008 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1011 if (forced_keyframe) {
1012 in_picture->pict_type = AV_PICTURE_TYPE_I;
1013 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1016 update_benchmark(NULL);
1018 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1019 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1020 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1021 enc->time_base.num, enc->time_base.den);
1024 ost->frames_encoded++;
1026 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1027 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1029 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1035 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1036 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1037 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1038 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1041 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1042 pkt.pts = ost->sync_opts;
1044 if (pkt.pts != AV_NOPTS_VALUE)
1045 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1046 if (pkt.dts != AV_NOPTS_VALUE)
1047 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1050 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1051 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1052 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1053 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1056 frame_size = pkt.size;
1057 write_frame(s, &pkt, ost);
1059 /* if two pass, output log */
1060 if (ost->logfile && enc->stats_out) {
1061 fprintf(ost->logfile, "%s", enc->stats_out);
1067 * For video, number of frames in == number of packets out.
1068 * But there may be reordering, so we can't throw away frames on encoder
1069 * flush, we need to limit them here, before they go into encoder.
1071 ost->frame_number++;
1073 if (vstats_filename && frame_size)
1074 do_video_stats(ost, frame_size);
1078 static double psnr(double d)
1080 return -10.0 * log(d) / log(10.0);
1083 static void do_video_stats(OutputStream *ost, int frame_size)
1085 AVCodecContext *enc;
1087 double ti1, bitrate, avg_bitrate;
1089 /* this is executed just the first time do_video_stats is called */
1091 vstats_file = fopen(vstats_filename, "w");
1099 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1100 frame_number = ost->st->nb_frames;
1101 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1102 if (enc->flags&CODEC_FLAG_PSNR)
1103 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1105 fprintf(vstats_file,"f_size= %6d ", frame_size);
1106 /* compute pts value */
1107 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1111 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1112 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1113 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1114 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1115 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1120 * Get and encode new output from any of the filtergraphs, without causing
1123 * @return 0 for success, <0 for severe errors
1125 static int reap_filters(void)
1127 AVFrame *filtered_frame = NULL;
1131 /* Reap all buffers present in the buffer sinks */
1132 for (i = 0; i < nb_output_streams; i++) {
1133 OutputStream *ost = output_streams[i];
1134 OutputFile *of = output_files[ost->file_index];
1135 AVFilterContext *filter;
1136 AVCodecContext *enc = ost->enc_ctx;
1141 filter = ost->filter->filter;
1143 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1144 return AVERROR(ENOMEM);
1146 filtered_frame = ost->filtered_frame;
1149 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1150 AV_BUFFERSINK_FLAG_NO_REQUEST);
1152 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1153 av_log(NULL, AV_LOG_WARNING,
1154 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1158 if (ost->finished) {
1159 av_frame_unref(filtered_frame);
1162 frame_pts = AV_NOPTS_VALUE;
1163 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1164 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1165 filtered_frame->pts = frame_pts =
1166 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1167 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1169 //if (ost->source_index >= 0)
1170 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1172 switch (filter->inputs[0]->type) {
1173 case AVMEDIA_TYPE_VIDEO:
1174 filtered_frame->pts = frame_pts;
1175 if (!ost->frame_aspect_ratio.num)
1176 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1179 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1180 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1181 enc->time_base.num, enc->time_base.den);
1184 do_video_out(of->ctx, ost, filtered_frame);
1186 case AVMEDIA_TYPE_AUDIO:
1187 filtered_frame->pts = frame_pts;
1188 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1189 enc->channels != av_frame_get_channels(filtered_frame)) {
1190 av_log(NULL, AV_LOG_ERROR,
1191 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1194 do_audio_out(of->ctx, ost, filtered_frame);
1197 // TODO support subtitle filters
1201 av_frame_unref(filtered_frame);
1208 static void print_final_stats(int64_t total_size)
1210 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1211 uint64_t subtitle_size = 0;
1212 uint64_t data_size = 0;
1213 float percent = -1.0;
1216 for (i = 0; i < nb_output_streams; i++) {
1217 OutputStream *ost = output_streams[i];
1218 switch (ost->enc_ctx->codec_type) {
1219 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1220 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1221 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1222 default: other_size += ost->data_size; break;
1224 extra_size += ost->enc_ctx->extradata_size;
1225 data_size += ost->data_size;
1228 if (data_size && total_size>0 && total_size >= data_size)
1229 percent = 100.0 * (total_size - data_size) / data_size;
1231 av_log(NULL, AV_LOG_INFO, "\n");
1232 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1233 video_size / 1024.0,
1234 audio_size / 1024.0,
1235 subtitle_size / 1024.0,
1236 other_size / 1024.0,
1237 extra_size / 1024.0);
1239 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1241 av_log(NULL, AV_LOG_INFO, "unknown");
1242 av_log(NULL, AV_LOG_INFO, "\n");
1244 /* print verbose per-stream stats */
1245 for (i = 0; i < nb_input_files; i++) {
1246 InputFile *f = input_files[i];
1247 uint64_t total_packets = 0, total_size = 0;
1249 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1250 i, f->ctx->filename);
1252 for (j = 0; j < f->nb_streams; j++) {
1253 InputStream *ist = input_streams[f->ist_index + j];
1254 enum AVMediaType type = ist->dec_ctx->codec_type;
1256 total_size += ist->data_size;
1257 total_packets += ist->nb_packets;
1259 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1260 i, j, media_type_string(type));
1261 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1262 ist->nb_packets, ist->data_size);
1264 if (ist->decoding_needed) {
1265 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1266 ist->frames_decoded);
1267 if (type == AVMEDIA_TYPE_AUDIO)
1268 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1269 av_log(NULL, AV_LOG_VERBOSE, "; ");
1272 av_log(NULL, AV_LOG_VERBOSE, "\n");
1275 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1276 total_packets, total_size);
1279 for (i = 0; i < nb_output_files; i++) {
1280 OutputFile *of = output_files[i];
1281 uint64_t total_packets = 0, total_size = 0;
1283 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1284 i, of->ctx->filename);
1286 for (j = 0; j < of->ctx->nb_streams; j++) {
1287 OutputStream *ost = output_streams[of->ost_index + j];
1288 enum AVMediaType type = ost->enc_ctx->codec_type;
1290 total_size += ost->data_size;
1291 total_packets += ost->packets_written;
1293 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1294 i, j, media_type_string(type));
1295 if (ost->encoding_needed) {
1296 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1297 ost->frames_encoded);
1298 if (type == AVMEDIA_TYPE_AUDIO)
1299 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1300 av_log(NULL, AV_LOG_VERBOSE, "; ");
1303 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1304 ost->packets_written, ost->data_size);
1306 av_log(NULL, AV_LOG_VERBOSE, "\n");
1309 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1310 total_packets, total_size);
1312 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1313 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1317 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1320 AVBPrint buf_script;
1322 AVFormatContext *oc;
1324 AVCodecContext *enc;
1325 int frame_number, vid, i;
1327 int64_t pts = INT64_MIN;
1328 static int64_t last_time = -1;
1329 static int qp_histogram[52];
1330 int hours, mins, secs, us;
1332 if (!print_stats && !is_last_report && !progress_avio)
1335 if (!is_last_report) {
1336 if (last_time == -1) {
1337 last_time = cur_time;
1340 if ((cur_time - last_time) < 500000)
1342 last_time = cur_time;
1346 oc = output_files[0]->ctx;
1348 total_size = avio_size(oc->pb);
1349 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1350 total_size = avio_tell(oc->pb);
1354 av_bprint_init(&buf_script, 0, 1);
1355 for (i = 0; i < nb_output_streams; i++) {
1357 ost = output_streams[i];
1359 if (!ost->stream_copy && enc->coded_frame)
1360 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1361 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1363 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1364 ost->file_index, ost->index, q);
1366 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1367 float fps, t = (cur_time-timer_start) / 1000000.0;
1369 frame_number = ost->frame_number;
1370 fps = t > 1 ? frame_number / t : 0;
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1372 frame_number, fps < 9.95, fps, q);
1373 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1374 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1375 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1376 ost->file_index, ost->index, q);
1378 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1382 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1384 for (j = 0; j < 32; j++)
1385 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1387 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1389 double error, error_sum = 0;
1390 double scale, scale_sum = 0;
1392 char type[3] = { 'Y','U','V' };
1393 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1394 for (j = 0; j < 3; j++) {
1395 if (is_last_report) {
1396 error = enc->error[j];
1397 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1399 error = enc->coded_frame->error[j];
1400 scale = enc->width * enc->height * 255.0 * 255.0;
1406 p = psnr(error / scale);
1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1408 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1409 ost->file_index, ost->index, type[j] | 32, p);
1411 p = psnr(error_sum / scale_sum);
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1413 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1414 ost->file_index, ost->index, p);
1418 /* compute min output value */
1419 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1420 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1421 ost->st->time_base, AV_TIME_BASE_Q));
1424 secs = pts / AV_TIME_BASE;
1425 us = pts % AV_TIME_BASE;
1431 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1433 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1435 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1436 "size=%8.0fkB time=", total_size / 1024.0);
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1438 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1439 (100 * us) / AV_TIME_BASE);
1440 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1442 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1443 "bitrate=%6.1fkbits/s", bitrate);
1444 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1445 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1446 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1447 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1448 hours, mins, secs, us);
1450 if (nb_frames_dup || nb_frames_drop)
1451 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1452 nb_frames_dup, nb_frames_drop);
1453 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1454 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1456 if (print_stats || is_last_report) {
1457 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1458 fprintf(stderr, "%s \r", buf);
1460 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1465 if (progress_avio) {
1466 av_bprintf(&buf_script, "progress=%s\n",
1467 is_last_report ? "end" : "continue");
1468 avio_write(progress_avio, buf_script.str,
1469 FFMIN(buf_script.len, buf_script.size - 1));
1470 avio_flush(progress_avio);
1471 av_bprint_finalize(&buf_script, NULL);
1472 if (is_last_report) {
1473 avio_close(progress_avio);
1474 progress_avio = NULL;
1479 print_final_stats(total_size);
1482 static void flush_encoders(void)
1486 for (i = 0; i < nb_output_streams; i++) {
1487 OutputStream *ost = output_streams[i];
1488 AVCodecContext *enc = ost->enc_ctx;
1489 AVFormatContext *os = output_files[ost->file_index]->ctx;
1490 int stop_encoding = 0;
1492 if (!ost->encoding_needed)
1495 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1497 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1501 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1504 switch (enc->codec_type) {
1505 case AVMEDIA_TYPE_AUDIO:
1506 encode = avcodec_encode_audio2;
1509 case AVMEDIA_TYPE_VIDEO:
1510 encode = avcodec_encode_video2;
1521 av_init_packet(&pkt);
1525 update_benchmark(NULL);
1526 ret = encode(enc, &pkt, NULL, &got_packet);
1527 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1529 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1532 if (ost->logfile && enc->stats_out) {
1533 fprintf(ost->logfile, "%s", enc->stats_out);
1539 if (ost->finished & MUXER_FINISHED) {
1540 av_free_packet(&pkt);
1543 if (pkt.pts != AV_NOPTS_VALUE)
1544 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1545 if (pkt.dts != AV_NOPTS_VALUE)
1546 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1547 if (pkt.duration > 0)
1548 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1549 pkt_size = pkt.size;
1550 write_frame(os, &pkt, ost);
1551 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1552 do_video_stats(ost, pkt_size);
1563 * Check whether a packet from ist should be written into ost at this time
1565 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1567 OutputFile *of = output_files[ost->file_index];
1568 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1570 if (ost->source_index != ist_index)
1576 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1582 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1584 OutputFile *of = output_files[ost->file_index];
1585 InputFile *f = input_files [ist->file_index];
1586 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1587 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1588 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1592 av_init_packet(&opkt);
1594 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1595 !ost->copy_initial_nonkeyframes)
1598 if (pkt->pts == AV_NOPTS_VALUE) {
1599 if (!ost->frame_number && ist->pts < start_time &&
1600 !ost->copy_prior_start)
1603 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1604 !ost->copy_prior_start)
1608 if (of->recording_time != INT64_MAX &&
1609 ist->pts >= of->recording_time + start_time) {
1610 close_output_stream(ost);
1614 if (f->recording_time != INT64_MAX) {
1615 start_time = f->ctx->start_time;
1616 if (f->start_time != AV_NOPTS_VALUE)
1617 start_time += f->start_time;
1618 if (ist->pts >= f->recording_time + start_time) {
1619 close_output_stream(ost);
1624 /* force the input stream PTS */
1625 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1628 if (pkt->pts != AV_NOPTS_VALUE)
1629 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1631 opkt.pts = AV_NOPTS_VALUE;
1633 if (pkt->dts == AV_NOPTS_VALUE)
1634 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1636 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1637 opkt.dts -= ost_tb_start_time;
1639 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1640 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1642 duration = ist->dec_ctx->frame_size;
1643 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1644 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1645 ost->st->time_base) - ost_tb_start_time;
1648 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1649 opkt.flags = pkt->flags;
1651 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1652 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1653 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1654 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1655 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1657 if (av_parser_change(ost->parser, ost->st->codec,
1658 &opkt.data, &opkt.size,
1659 pkt->data, pkt->size,
1660 pkt->flags & AV_PKT_FLAG_KEY)) {
1661 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1666 opkt.data = pkt->data;
1667 opkt.size = pkt->size;
1669 av_copy_packet_side_data(&opkt, pkt);
1671 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1672 /* store AVPicture in AVPacket, as expected by the output format */
1673 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1674 opkt.data = (uint8_t *)&pict;
1675 opkt.size = sizeof(AVPicture);
1676 opkt.flags |= AV_PKT_FLAG_KEY;
1679 write_frame(of->ctx, &opkt, ost);
1682 int guess_input_channel_layout(InputStream *ist)
1684 AVCodecContext *dec = ist->dec_ctx;
1686 if (!dec->channel_layout) {
1687 char layout_name[256];
1689 if (dec->channels > ist->guess_layout_max)
1691 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1692 if (!dec->channel_layout)
1694 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1695 dec->channels, dec->channel_layout);
1696 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1697 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1702 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1704 AVFrame *decoded_frame, *f;
1705 AVCodecContext *avctx = ist->dec_ctx;
1706 int i, ret, err = 0, resample_changed;
1707 AVRational decoded_frame_tb;
1709 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1710 return AVERROR(ENOMEM);
1711 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1712 return AVERROR(ENOMEM);
1713 decoded_frame = ist->decoded_frame;
1715 update_benchmark(NULL);
1716 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1717 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1719 if (ret >= 0 && avctx->sample_rate <= 0) {
1720 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1721 ret = AVERROR_INVALIDDATA;
1724 if (*got_output || ret<0 || pkt->size)
1725 decode_error_stat[ret<0] ++;
1727 if (!*got_output || ret < 0) {
1729 for (i = 0; i < ist->nb_filters; i++)
1731 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1733 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1739 ist->samples_decoded += decoded_frame->nb_samples;
1740 ist->frames_decoded++;
1743 /* increment next_dts to use for the case where the input stream does not
1744 have timestamps or there are multiple frames in the packet */
1745 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1747 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1751 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1752 ist->resample_channels != avctx->channels ||
1753 ist->resample_channel_layout != decoded_frame->channel_layout ||
1754 ist->resample_sample_rate != decoded_frame->sample_rate;
1755 if (resample_changed) {
1756 char layout1[64], layout2[64];
1758 if (!guess_input_channel_layout(ist)) {
1759 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1760 "layout for Input Stream #%d.%d\n", ist->file_index,
1764 decoded_frame->channel_layout = avctx->channel_layout;
1766 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1767 ist->resample_channel_layout);
1768 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1769 decoded_frame->channel_layout);
1771 av_log(NULL, AV_LOG_INFO,
1772 "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",
1773 ist->file_index, ist->st->index,
1774 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1775 ist->resample_channels, layout1,
1776 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1777 avctx->channels, layout2);
1779 ist->resample_sample_fmt = decoded_frame->format;
1780 ist->resample_sample_rate = decoded_frame->sample_rate;
1781 ist->resample_channel_layout = decoded_frame->channel_layout;
1782 ist->resample_channels = avctx->channels;
1784 for (i = 0; i < nb_filtergraphs; i++)
1785 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1786 FilterGraph *fg = filtergraphs[i];
1788 if (configure_filtergraph(fg) < 0) {
1789 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1792 for (j = 0; j < fg->nb_outputs; j++) {
1793 OutputStream *ost = fg->outputs[j]->ost;
1794 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1795 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1796 av_buffersink_set_frame_size(ost->filter->filter,
1797 ost->enc_ctx->frame_size);
1802 /* if the decoder provides a pts, use it instead of the last packet pts.
1803 the decoder could be delaying output by a packet or more. */
1804 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1805 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1806 decoded_frame_tb = avctx->time_base;
1807 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1808 decoded_frame->pts = decoded_frame->pkt_pts;
1809 decoded_frame_tb = ist->st->time_base;
1810 } else if (pkt->pts != AV_NOPTS_VALUE) {
1811 decoded_frame->pts = pkt->pts;
1812 decoded_frame_tb = ist->st->time_base;
1814 decoded_frame->pts = ist->dts;
1815 decoded_frame_tb = AV_TIME_BASE_Q;
1817 pkt->pts = AV_NOPTS_VALUE;
1818 if (decoded_frame->pts != AV_NOPTS_VALUE)
1819 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1820 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1821 (AVRational){1, avctx->sample_rate});
1822 for (i = 0; i < ist->nb_filters; i++) {
1823 if (i < ist->nb_filters - 1) {
1824 f = ist->filter_frame;
1825 err = av_frame_ref(f, decoded_frame);
1830 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1831 AV_BUFFERSRC_FLAG_PUSH);
1832 if (err == AVERROR_EOF)
1833 err = 0; /* ignore */
1837 decoded_frame->pts = AV_NOPTS_VALUE;
1839 av_frame_unref(ist->filter_frame);
1840 av_frame_unref(decoded_frame);
1841 return err < 0 ? err : ret;
1844 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1846 AVFrame *decoded_frame, *f;
1847 int i, ret = 0, err = 0, resample_changed;
1848 int64_t best_effort_timestamp;
1849 AVRational *frame_sample_aspect;
1851 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1852 return AVERROR(ENOMEM);
1853 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1854 return AVERROR(ENOMEM);
1855 decoded_frame = ist->decoded_frame;
1856 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1858 update_benchmark(NULL);
1859 ret = avcodec_decode_video2(ist->dec_ctx,
1860 decoded_frame, got_output, pkt);
1861 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1863 // The following line may be required in some cases where there is no parser
1864 // or the parser does not has_b_frames correctly
1865 // ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1866 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1867 av_log_ask_for_sample(ist->dec_ctx, "has_b_frames is larger in decoder than demuxer");
1870 if (*got_output || ret<0 || pkt->size)
1871 decode_error_stat[ret<0] ++;
1873 if (!*got_output || ret < 0) {
1875 for (i = 0; i < ist->nb_filters; i++)
1877 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1879 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1885 if(ist->top_field_first>=0)
1886 decoded_frame->top_field_first = ist->top_field_first;
1888 ist->frames_decoded++;
1890 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1891 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
1895 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1897 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1898 if(best_effort_timestamp != AV_NOPTS_VALUE)
1899 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1902 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1903 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
1904 ist->st->index, av_ts2str(decoded_frame->pts),
1905 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1906 best_effort_timestamp,
1907 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1908 decoded_frame->key_frame, decoded_frame->pict_type,
1909 ist->st->time_base.num, ist->st->time_base.den);
1914 if (ist->st->sample_aspect_ratio.num)
1915 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1917 resample_changed = ist->resample_width != decoded_frame->width ||
1918 ist->resample_height != decoded_frame->height ||
1919 ist->resample_pix_fmt != decoded_frame->format;
1920 if (resample_changed) {
1921 av_log(NULL, AV_LOG_INFO,
1922 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1923 ist->file_index, ist->st->index,
1924 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1925 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1927 ist->resample_width = decoded_frame->width;
1928 ist->resample_height = decoded_frame->height;
1929 ist->resample_pix_fmt = decoded_frame->format;
1931 for (i = 0; i < nb_filtergraphs; i++) {
1932 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1933 configure_filtergraph(filtergraphs[i]) < 0) {
1934 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1940 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1941 for (i = 0; i < ist->nb_filters; i++) {
1942 if (!frame_sample_aspect->num)
1943 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1945 if (i < ist->nb_filters - 1) {
1946 f = ist->filter_frame;
1947 err = av_frame_ref(f, decoded_frame);
1952 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1953 if (ret == AVERROR_EOF) {
1954 ret = 0; /* ignore */
1955 } else if (ret < 0) {
1956 av_log(NULL, AV_LOG_FATAL,
1957 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1963 av_frame_unref(ist->filter_frame);
1964 av_frame_unref(decoded_frame);
1965 return err < 0 ? err : ret;
1968 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1970 AVSubtitle subtitle;
1971 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
1972 &subtitle, got_output, pkt);
1974 if (*got_output || ret<0 || pkt->size)
1975 decode_error_stat[ret<0] ++;
1977 if (ret < 0 || !*got_output) {
1979 sub2video_flush(ist);
1983 if (ist->fix_sub_duration) {
1985 if (ist->prev_sub.got_output) {
1986 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1987 1000, AV_TIME_BASE);
1988 if (end < ist->prev_sub.subtitle.end_display_time) {
1989 av_log(ist->dec_ctx, AV_LOG_DEBUG,
1990 "Subtitle duration reduced from %d to %d%s\n",
1991 ist->prev_sub.subtitle.end_display_time, end,
1992 end <= 0 ? ", dropping it" : "");
1993 ist->prev_sub.subtitle.end_display_time = end;
1996 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1997 FFSWAP(int, ret, ist->prev_sub.ret);
1998 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2006 sub2video_update(ist, &subtitle);
2008 if (!subtitle.num_rects)
2011 ist->frames_decoded++;
2013 for (i = 0; i < nb_output_streams; i++) {
2014 OutputStream *ost = output_streams[i];
2016 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2017 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2020 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2024 avsubtitle_free(&subtitle);
2028 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2029 static int output_packet(InputStream *ist, const AVPacket *pkt)
2035 if (!ist->saw_first_ts) {
2036 ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2038 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2039 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2040 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2042 ist->saw_first_ts = 1;
2045 if (ist->next_dts == AV_NOPTS_VALUE)
2046 ist->next_dts = ist->dts;
2047 if (ist->next_pts == AV_NOPTS_VALUE)
2048 ist->next_pts = ist->pts;
2052 av_init_packet(&avpkt);
2060 if (pkt->dts != AV_NOPTS_VALUE) {
2061 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2062 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2063 ist->next_pts = ist->pts = ist->dts;
2066 // while we have more to decode or while the decoder did output something on EOF
2067 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2071 ist->pts = ist->next_pts;
2072 ist->dts = ist->next_dts;
2074 if (avpkt.size && avpkt.size != pkt->size &&
2075 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2076 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2077 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2078 ist->showed_multi_packet_warning = 1;
2081 switch (ist->dec_ctx->codec_type) {
2082 case AVMEDIA_TYPE_AUDIO:
2083 ret = decode_audio (ist, &avpkt, &got_output);
2085 case AVMEDIA_TYPE_VIDEO:
2086 ret = decode_video (ist, &avpkt, &got_output);
2087 if (avpkt.duration) {
2088 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2089 } else if(ist->dec_ctx->time_base.num != 0 && ist->dec_ctx->time_base.den != 0) {
2090 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2091 duration = ((int64_t)AV_TIME_BASE *
2092 ist->dec_ctx->time_base.num * ticks) /
2093 ist->dec_ctx->time_base.den;
2097 if(ist->dts != AV_NOPTS_VALUE && duration) {
2098 ist->next_dts += duration;
2100 ist->next_dts = AV_NOPTS_VALUE;
2103 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2105 case AVMEDIA_TYPE_SUBTITLE:
2106 ret = transcode_subtitles(ist, &avpkt, &got_output);
2116 avpkt.pts= AV_NOPTS_VALUE;
2118 // touch data and size only if not EOF
2120 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2130 /* handle stream copy */
2131 if (!ist->decoding_needed) {
2132 ist->dts = ist->next_dts;
2133 switch (ist->dec_ctx->codec_type) {
2134 case AVMEDIA_TYPE_AUDIO:
2135 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2136 ist->dec_ctx->sample_rate;
2138 case AVMEDIA_TYPE_VIDEO:
2139 if (ist->framerate.num) {
2140 // TODO: Remove work-around for c99-to-c89 issue 7
2141 AVRational time_base_q = AV_TIME_BASE_Q;
2142 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2143 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2144 } else if (pkt->duration) {
2145 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2146 } else if(ist->dec_ctx->time_base.num != 0) {
2147 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2148 ist->next_dts += ((int64_t)AV_TIME_BASE *
2149 ist->dec_ctx->time_base.num * ticks) /
2150 ist->dec_ctx->time_base.den;
2154 ist->pts = ist->dts;
2155 ist->next_pts = ist->next_dts;
2157 for (i = 0; pkt && i < nb_output_streams; i++) {
2158 OutputStream *ost = output_streams[i];
2160 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2163 do_streamcopy(ist, ost, pkt);
2169 static void print_sdp(void)
2173 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2177 for (i = 0; i < nb_output_files; i++)
2178 avc[i] = output_files[i]->ctx;
2180 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2181 printf("SDP:\n%s\n", sdp);
2186 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2189 for (i = 0; hwaccels[i].name; i++)
2190 if (hwaccels[i].pix_fmt == pix_fmt)
2191 return &hwaccels[i];
2195 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2197 InputStream *ist = s->opaque;
2198 const enum AVPixelFormat *p;
2201 for (p = pix_fmts; *p != -1; p++) {
2202 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2203 const HWAccel *hwaccel;
2205 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2208 hwaccel = get_hwaccel(*p);
2210 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2211 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2214 ret = hwaccel->init(s);
2216 if (ist->hwaccel_id == hwaccel->id) {
2217 av_log(NULL, AV_LOG_FATAL,
2218 "%s hwaccel requested for input stream #%d:%d, "
2219 "but cannot be initialized.\n", hwaccel->name,
2220 ist->file_index, ist->st->index);
2225 ist->active_hwaccel_id = hwaccel->id;
2226 ist->hwaccel_pix_fmt = *p;
2233 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2235 InputStream *ist = s->opaque;
2237 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2238 return ist->hwaccel_get_buffer(s, frame, flags);
2240 return avcodec_default_get_buffer2(s, frame, flags);
2243 static int init_input_stream(int ist_index, char *error, int error_len)
2246 InputStream *ist = input_streams[ist_index];
2248 if (ist->decoding_needed) {
2249 AVCodec *codec = ist->dec;
2251 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2252 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2253 return AVERROR(EINVAL);
2256 ist->dec_ctx->opaque = ist;
2257 ist->dec_ctx->get_format = get_format;
2258 ist->dec_ctx->get_buffer2 = get_buffer;
2259 ist->dec_ctx->thread_safe_callbacks = 1;
2261 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2263 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2264 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2265 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2266 if (ret == AVERROR_EXPERIMENTAL)
2267 abort_codec_experimental(codec, 0);
2269 snprintf(error, error_len,
2270 "Error while opening decoder for input stream "
2272 ist->file_index, ist->st->index, av_err2str(ret));
2275 assert_avoptions(ist->decoder_opts);
2278 ist->next_pts = AV_NOPTS_VALUE;
2279 ist->next_dts = AV_NOPTS_VALUE;
2284 static InputStream *get_input_stream(OutputStream *ost)
2286 if (ost->source_index >= 0)
2287 return input_streams[ost->source_index];
2291 static int compare_int64(const void *a, const void *b)
2293 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2294 return va < vb ? -1 : va > vb ? +1 : 0;
2297 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2298 AVCodecContext *avctx)
2301 int n = 1, i, size, index = 0;
2304 for (p = kf; *p; p++)
2308 pts = av_malloc_array(size, sizeof(*pts));
2310 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2315 for (i = 0; i < n; i++) {
2316 char *next = strchr(p, ',');
2321 if (!memcmp(p, "chapters", 8)) {
2323 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2326 if (avf->nb_chapters > INT_MAX - size ||
2327 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2329 av_log(NULL, AV_LOG_FATAL,
2330 "Could not allocate forced key frames array.\n");
2333 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2334 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2336 for (j = 0; j < avf->nb_chapters; j++) {
2337 AVChapter *c = avf->chapters[j];
2338 av_assert1(index < size);
2339 pts[index++] = av_rescale_q(c->start, c->time_base,
2340 avctx->time_base) + t;
2345 t = parse_time_or_die("force_key_frames", p, 1);
2346 av_assert1(index < size);
2347 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2354 av_assert0(index == size);
2355 qsort(pts, size, sizeof(*pts), compare_int64);
2356 ost->forced_kf_count = size;
2357 ost->forced_kf_pts = pts;
2360 static void report_new_stream(int input_index, AVPacket *pkt)
2362 InputFile *file = input_files[input_index];
2363 AVStream *st = file->ctx->streams[pkt->stream_index];
2365 if (pkt->stream_index < file->nb_streams_warn)
2367 av_log(file->ctx, AV_LOG_WARNING,
2368 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2369 av_get_media_type_string(st->codec->codec_type),
2370 input_index, pkt->stream_index,
2371 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2372 file->nb_streams_warn = pkt->stream_index + 1;
2375 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2377 AVDictionaryEntry *e;
2379 uint8_t *encoder_string;
2380 int encoder_string_len;
2381 int format_flags = 0;
2382 int codec_flags = 0;
2384 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2387 e = av_dict_get(of->opts, "fflags", NULL, 0);
2389 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2392 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2394 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2396 const AVOption *o = av_opt_find(ost->st->codec, "flags", NULL, 0, 0);
2399 av_opt_eval_flags(ost->st->codec, o, e->value, &codec_flags);
2402 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2403 encoder_string = av_mallocz(encoder_string_len);
2404 if (!encoder_string)
2407 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2408 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2410 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2411 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2412 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2413 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2416 static int transcode_init(void)
2418 int ret = 0, i, j, k;
2419 AVFormatContext *oc;
2425 for (i = 0; i < nb_filtergraphs; i++) {
2426 FilterGraph *fg = filtergraphs[i];
2427 for (j = 0; j < fg->nb_outputs; j++) {
2428 OutputFilter *ofilter = fg->outputs[j];
2429 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2431 if (fg->nb_inputs != 1)
2433 for (k = nb_input_streams-1; k >= 0 ; k--)
2434 if (fg->inputs[0]->ist == input_streams[k])
2436 ofilter->ost->source_index = k;
2440 /* init framerate emulation */
2441 for (i = 0; i < nb_input_files; i++) {
2442 InputFile *ifile = input_files[i];
2443 if (ifile->rate_emu)
2444 for (j = 0; j < ifile->nb_streams; j++)
2445 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2448 /* output stream init */
2449 for (i = 0; i < nb_output_files; i++) {
2450 oc = output_files[i]->ctx;
2451 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2452 av_dump_format(oc, i, oc->filename, 1);
2453 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2454 return AVERROR(EINVAL);
2458 /* init complex filtergraphs */
2459 for (i = 0; i < nb_filtergraphs; i++)
2460 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2463 /* for each output stream, we compute the right encoding parameters */
2464 for (i = 0; i < nb_output_streams; i++) {
2465 AVCodecContext *enc_ctx;
2466 AVCodecContext *dec_ctx = NULL;
2467 ost = output_streams[i];
2468 oc = output_files[ost->file_index]->ctx;
2469 ist = get_input_stream(ost);
2471 if (ost->attachment_filename)
2474 enc_ctx = ost->enc_ctx;
2477 dec_ctx = ist->dec_ctx;
2479 ost->st->disposition = ist->st->disposition;
2480 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2481 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2483 for (j=0; j<oc->nb_streams; j++) {
2484 AVStream *st = oc->streams[j];
2485 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2488 if (j == oc->nb_streams)
2489 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2490 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2493 if (ost->stream_copy) {
2495 uint64_t extra_size;
2497 av_assert0(ist && !ost->filter);
2499 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2501 if (extra_size > INT_MAX) {
2502 return AVERROR(EINVAL);
2505 /* if stream_copy is selected, no need to decode or encode */
2506 enc_ctx->codec_id = dec_ctx->codec_id;
2507 enc_ctx->codec_type = dec_ctx->codec_type;
2509 if (!enc_ctx->codec_tag) {
2510 unsigned int codec_tag;
2511 if (!oc->oformat->codec_tag ||
2512 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2513 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2514 enc_ctx->codec_tag = dec_ctx->codec_tag;
2517 enc_ctx->bit_rate = dec_ctx->bit_rate;
2518 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2519 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2520 enc_ctx->field_order = dec_ctx->field_order;
2521 enc_ctx->extradata = av_mallocz(extra_size);
2522 if (!enc_ctx->extradata) {
2523 return AVERROR(ENOMEM);
2525 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2526 enc_ctx->extradata_size= dec_ctx->extradata_size;
2527 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2529 enc_ctx->time_base = ist->st->time_base;
2531 * Avi is a special case here because it supports variable fps but
2532 * having the fps and timebase differe significantly adds quite some
2535 if(!strcmp(oc->oformat->name, "avi")) {
2536 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2537 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2538 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2539 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2541 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2542 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2543 enc_ctx->ticks_per_frame = 2;
2544 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2545 && av_q2d(ist->st->time_base) < 1.0/500
2547 enc_ctx->time_base = dec_ctx->time_base;
2548 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2549 enc_ctx->time_base.den *= 2;
2550 enc_ctx->ticks_per_frame = 2;
2552 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2553 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2554 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2555 && strcmp(oc->oformat->name, "f4v")
2557 if( copy_tb<0 && dec_ctx->time_base.den
2558 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2559 && av_q2d(ist->st->time_base) < 1.0/500
2561 enc_ctx->time_base = dec_ctx->time_base;
2562 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2565 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2566 && dec_ctx->time_base.num < dec_ctx->time_base.den
2567 && dec_ctx->time_base.num > 0
2568 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2569 enc_ctx->time_base = dec_ctx->time_base;
2572 if (ist && !ost->frame_rate.num)
2573 ost->frame_rate = ist->framerate;
2574 if(ost->frame_rate.num)
2575 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2577 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2578 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2580 ost->parser = av_parser_init(enc_ctx->codec_id);
2582 switch (enc_ctx->codec_type) {
2583 case AVMEDIA_TYPE_AUDIO:
2584 if (audio_volume != 256) {
2585 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2588 enc_ctx->channel_layout = dec_ctx->channel_layout;
2589 enc_ctx->sample_rate = dec_ctx->sample_rate;
2590 enc_ctx->channels = dec_ctx->channels;
2591 enc_ctx->frame_size = dec_ctx->frame_size;
2592 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2593 enc_ctx->block_align = dec_ctx->block_align;
2594 enc_ctx->delay = dec_ctx->delay;
2595 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2596 enc_ctx->block_align= 0;
2597 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2598 enc_ctx->block_align= 0;
2600 case AVMEDIA_TYPE_VIDEO:
2601 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2602 enc_ctx->width = dec_ctx->width;
2603 enc_ctx->height = dec_ctx->height;
2604 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2605 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2607 av_mul_q(ost->frame_aspect_ratio,
2608 (AVRational){ enc_ctx->height, enc_ctx->width });
2609 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2610 "with stream copy may produce invalid files\n");
2612 else if (ist->st->sample_aspect_ratio.num)
2613 sar = ist->st->sample_aspect_ratio;
2615 sar = dec_ctx->sample_aspect_ratio;
2616 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2617 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2619 case AVMEDIA_TYPE_SUBTITLE:
2620 enc_ctx->width = dec_ctx->width;
2621 enc_ctx->height = dec_ctx->height;
2623 case AVMEDIA_TYPE_DATA:
2624 case AVMEDIA_TYPE_ATTACHMENT:
2631 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2633 /* should only happen when a default codec is not present. */
2634 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2635 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2636 ret = AVERROR(EINVAL);
2641 ist->decoding_needed++;
2642 ost->encoding_needed = 1;
2644 set_encoder_id(output_files[ost->file_index], ost);
2647 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2648 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2650 fg = init_simple_filtergraph(ist, ost);
2651 if (configure_filtergraph(fg)) {
2652 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2657 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2658 if (ost->filter && !ost->frame_rate.num)
2659 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2660 if (ist && !ost->frame_rate.num)
2661 ost->frame_rate = ist->framerate;
2662 if (ist && !ost->frame_rate.num)
2663 ost->frame_rate = ist->st->r_frame_rate;
2664 if (ist && !ost->frame_rate.num) {
2665 ost->frame_rate = (AVRational){25, 1};
2666 av_log(NULL, AV_LOG_WARNING,
2668 "about the input framerate is available. Falling "
2669 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2670 "if you want a different framerate.\n",
2671 ost->file_index, ost->index);
2673 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2674 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2675 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2676 ost->frame_rate = ost->enc->supported_framerates[idx];
2678 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2679 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2680 ost->frame_rate.num, ost->frame_rate.den, 65535);
2684 switch (enc_ctx->codec_type) {
2685 case AVMEDIA_TYPE_AUDIO:
2686 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2687 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2688 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2689 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2690 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2692 case AVMEDIA_TYPE_VIDEO:
2693 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2694 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2695 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2696 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2697 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2698 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2699 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2701 for (j = 0; j < ost->forced_kf_count; j++)
2702 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2704 enc_ctx->time_base);
2706 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2707 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2708 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2709 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2710 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2711 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2712 if (!strncmp(ost->enc->name, "libx264", 7) &&
2713 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2714 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2715 av_log(NULL, AV_LOG_WARNING,
2716 "No pixel format specified, %s for H.264 encoding chosen.\n"
2717 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2718 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2719 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2720 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2721 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2722 av_log(NULL, AV_LOG_WARNING,
2723 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2724 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2725 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2726 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2728 ost->st->avg_frame_rate = ost->frame_rate;
2731 enc_ctx->width != dec_ctx->width ||
2732 enc_ctx->height != dec_ctx->height ||
2733 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2734 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2737 if (ost->forced_keyframes) {
2738 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2739 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2740 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2742 av_log(NULL, AV_LOG_ERROR,
2743 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2746 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2747 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2748 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2749 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2751 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2755 case AVMEDIA_TYPE_SUBTITLE:
2756 enc_ctx->time_base = (AVRational){1, 1000};
2757 if (!enc_ctx->width) {
2758 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2759 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2767 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2768 char logfilename[1024];
2771 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2772 ost->logfile_prefix ? ost->logfile_prefix :
2773 DEFAULT_PASS_LOGFILENAME_PREFIX,
2775 if (!strcmp(ost->enc->name, "libx264")) {
2776 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2778 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2780 size_t logbuffer_size;
2781 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2782 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2786 enc_ctx->stats_in = logbuffer;
2788 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2789 f = av_fopen_utf8(logfilename, "wb");
2791 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2792 logfilename, strerror(errno));
2802 /* open each encoder */
2803 for (i = 0; i < nb_output_streams; i++) {
2804 ost = output_streams[i];
2805 if (ost->encoding_needed) {
2806 AVCodec *codec = ost->enc;
2807 AVCodecContext *dec = NULL;
2809 if ((ist = get_input_stream(ost)))
2811 if (dec && dec->subtitle_header) {
2812 /* ASS code assumes this buffer is null terminated so add extra byte. */
2813 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2814 if (!ost->enc_ctx->subtitle_header) {
2815 ret = AVERROR(ENOMEM);
2818 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2819 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2821 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2822 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2823 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
2825 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2826 if (ret == AVERROR_EXPERIMENTAL)
2827 abort_codec_experimental(codec, 1);
2828 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2829 ost->file_index, ost->index);
2832 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2833 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2834 av_buffersink_set_frame_size(ost->filter->filter,
2835 ost->enc_ctx->frame_size);
2836 assert_avoptions(ost->encoder_opts);
2837 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2838 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2839 " It takes bits/s as argument, not kbits/s\n");
2841 av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
2844 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2846 av_log(NULL, AV_LOG_FATAL,
2847 "Error initializing the output stream codec context.\n");
2850 ost->st->codec->codec= ost->enc_ctx->codec;
2853 /* init input streams */
2854 for (i = 0; i < nb_input_streams; i++)
2855 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2856 for (i = 0; i < nb_output_streams; i++) {
2857 ost = output_streams[i];
2858 avcodec_close(ost->enc_ctx);
2863 /* discard unused programs */
2864 for (i = 0; i < nb_input_files; i++) {
2865 InputFile *ifile = input_files[i];
2866 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2867 AVProgram *p = ifile->ctx->programs[j];
2868 int discard = AVDISCARD_ALL;
2870 for (k = 0; k < p->nb_stream_indexes; k++)
2871 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2872 discard = AVDISCARD_DEFAULT;
2875 p->discard = discard;
2879 /* open files and write file headers */
2880 for (i = 0; i < nb_output_files; i++) {
2881 oc = output_files[i]->ctx;
2882 oc->interrupt_callback = int_cb;
2883 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2884 snprintf(error, sizeof(error),
2885 "Could not write header for output file #%d "
2886 "(incorrect codec parameters ?): %s",
2887 i, av_err2str(ret));
2888 ret = AVERROR(EINVAL);
2891 // assert_avoptions(output_files[i]->opts);
2892 if (strcmp(oc->oformat->name, "rtp")) {
2898 /* dump the file output parameters - cannot be done before in case
2900 for (i = 0; i < nb_output_files; i++) {
2901 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2904 /* dump the stream mapping */
2905 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2906 for (i = 0; i < nb_input_streams; i++) {
2907 ist = input_streams[i];
2909 for (j = 0; j < ist->nb_filters; j++) {
2910 if (ist->filters[j]->graph->graph_desc) {
2911 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2912 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2913 ist->filters[j]->name);
2914 if (nb_filtergraphs > 1)
2915 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2916 av_log(NULL, AV_LOG_INFO, "\n");
2921 for (i = 0; i < nb_output_streams; i++) {
2922 ost = output_streams[i];
2924 if (ost->attachment_filename) {
2925 /* an attached file */
2926 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2927 ost->attachment_filename, ost->file_index, ost->index);
2931 if (ost->filter && ost->filter->graph->graph_desc) {
2932 /* output from a complex graph */
2933 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2934 if (nb_filtergraphs > 1)
2935 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2937 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2938 ost->index, ost->enc ? ost->enc->name : "?");
2942 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2943 input_streams[ost->source_index]->file_index,
2944 input_streams[ost->source_index]->st->index,
2947 if (ost->sync_ist != input_streams[ost->source_index])
2948 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2949 ost->sync_ist->file_index,
2950 ost->sync_ist->st->index);
2951 if (ost->stream_copy)
2952 av_log(NULL, AV_LOG_INFO, " (copy)");
2954 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2955 input_streams[ost->source_index]->dec->name : "?",
2956 ost->enc ? ost->enc->name : "?");
2957 av_log(NULL, AV_LOG_INFO, "\n");
2961 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2969 transcode_init_done = 1;
2974 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2975 static int need_output(void)
2979 for (i = 0; i < nb_output_streams; i++) {
2980 OutputStream *ost = output_streams[i];
2981 OutputFile *of = output_files[ost->file_index];
2982 AVFormatContext *os = output_files[ost->file_index]->ctx;
2984 if (ost->finished ||
2985 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2987 if (ost->frame_number >= ost->max_frames) {
2989 for (j = 0; j < of->ctx->nb_streams; j++)
2990 close_output_stream(output_streams[of->ost_index + j]);
3001 * Select the output stream to process.
3003 * @return selected output stream, or NULL if none available
3005 static OutputStream *choose_output(void)
3008 int64_t opts_min = INT64_MAX;
3009 OutputStream *ost_min = NULL;
3011 for (i = 0; i < nb_output_streams; i++) {
3012 OutputStream *ost = output_streams[i];
3013 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3015 if (!ost->unavailable && !ost->finished && opts < opts_min) {
3023 static int check_keyboard_interaction(int64_t cur_time)
3026 static int64_t last_time;
3027 if (received_nb_signals)
3028 return AVERROR_EXIT;
3029 /* read_key() returns 0 on EOF */
3030 if(cur_time - last_time >= 100000 && !run_as_daemon){
3032 last_time = cur_time;
3036 return AVERROR_EXIT;
3037 if (key == '+') av_log_set_level(av_log_get_level()+10);
3038 if (key == '-') av_log_set_level(av_log_get_level()-10);
3039 if (key == 's') qp_hist ^= 1;
3042 do_hex_dump = do_pkt_dump = 0;
3043 } else if(do_pkt_dump){
3047 av_log_set_level(AV_LOG_DEBUG);
3049 if (key == 'c' || key == 'C'){
3050 char buf[4096], target[64], command[256], arg[256] = {0};
3053 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3055 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3060 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3061 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3062 target, time, command, arg);
3063 for (i = 0; i < nb_filtergraphs; i++) {
3064 FilterGraph *fg = filtergraphs[i];
3067 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3068 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3069 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3070 } else if (key == 'c') {
3071 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3072 ret = AVERROR_PATCHWELCOME;
3074 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3079 av_log(NULL, AV_LOG_ERROR,
3080 "Parse error, at least 3 arguments were expected, "
3081 "only %d given in string '%s'\n", n, buf);
3084 if (key == 'd' || key == 'D'){
3087 debug = input_streams[0]->st->codec->debug<<1;
3088 if(!debug) debug = 1;
3089 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3092 if(scanf("%d", &debug)!=1)
3093 fprintf(stderr,"error parsing debug value\n");
3094 for(i=0;i<nb_input_streams;i++) {
3095 input_streams[i]->st->codec->debug = debug;
3097 for(i=0;i<nb_output_streams;i++) {
3098 OutputStream *ost = output_streams[i];
3099 ost->st->codec->debug = debug;
3101 if(debug) av_log_set_level(AV_LOG_DEBUG);
3102 fprintf(stderr,"debug=%d\n", debug);
3105 fprintf(stderr, "key function\n"
3106 "? show this help\n"
3107 "+ increase verbosity\n"
3108 "- decrease verbosity\n"
3109 "c Send command to first matching filter supporting it\n"
3110 "C Send/Que command to all matching filters\n"
3111 "D cycle through available debug modes\n"
3112 "h dump packets/hex press to cycle through the 3 states\n"
3114 "s Show QP histogram\n"
3121 static void *input_thread(void *arg)
3128 ret = av_read_frame(f->ctx, &pkt);
3130 if (ret == AVERROR(EAGAIN)) {
3135 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3138 av_dup_packet(&pkt);
3139 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3141 if (ret != AVERROR_EOF)
3142 av_log(f->ctx, AV_LOG_ERROR,
3143 "Unable to send packet to main thread: %s\n",
3145 av_free_packet(&pkt);
3146 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3154 static void free_input_threads(void)
3158 for (i = 0; i < nb_input_files; i++) {
3159 InputFile *f = input_files[i];
3162 if (!f->in_thread_queue)
3164 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3165 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3166 av_free_packet(&pkt);
3168 pthread_join(f->thread, NULL);
3170 av_thread_message_queue_free(&f->in_thread_queue);
3174 static int init_input_threads(void)
3178 if (nb_input_files == 1)
3181 for (i = 0; i < nb_input_files; i++) {
3182 InputFile *f = input_files[i];
3184 if (f->ctx->pb ? !f->ctx->pb->seekable :
3185 strcmp(f->ctx->iformat->name, "lavfi"))
3186 f->non_blocking = 1;
3187 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3188 8, sizeof(AVPacket));
3192 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3193 return AVERROR(ret);
3198 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3200 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3202 AV_THREAD_MESSAGE_NONBLOCK : 0);
3206 static int get_input_packet(InputFile *f, AVPacket *pkt)
3210 for (i = 0; i < f->nb_streams; i++) {
3211 InputStream *ist = input_streams[f->ist_index + i];
3212 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3213 int64_t now = av_gettime_relative() - ist->start;
3215 return AVERROR(EAGAIN);
3220 if (nb_input_files > 1)
3221 return get_input_packet_mt(f, pkt);
3223 return av_read_frame(f->ctx, pkt);
3226 static int got_eagain(void)
3229 for (i = 0; i < nb_output_streams; i++)
3230 if (output_streams[i]->unavailable)
3235 static void reset_eagain(void)
3238 for (i = 0; i < nb_input_files; i++)
3239 input_files[i]->eagain = 0;
3240 for (i = 0; i < nb_output_streams; i++)
3241 output_streams[i]->unavailable = 0;
3246 * - 0 -- one packet was read and processed
3247 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3248 * this function should be called again
3249 * - AVERROR_EOF -- this function should not be called again
3251 static int process_input(int file_index)
3253 InputFile *ifile = input_files[file_index];
3254 AVFormatContext *is;
3260 ret = get_input_packet(ifile, &pkt);
3262 if (ret == AVERROR(EAGAIN)) {
3267 if (ret != AVERROR_EOF) {
3268 print_error(is->filename, ret);
3272 ifile->eof_reached = 1;
3274 for (i = 0; i < ifile->nb_streams; i++) {
3275 ist = input_streams[ifile->ist_index + i];
3276 if (ist->decoding_needed)
3277 output_packet(ist, NULL);
3279 /* mark all outputs that don't go through lavfi as finished */
3280 for (j = 0; j < nb_output_streams; j++) {
3281 OutputStream *ost = output_streams[j];
3283 if (ost->source_index == ifile->ist_index + i &&
3284 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3285 close_output_stream(ost);
3289 return AVERROR(EAGAIN);
3295 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3296 is->streams[pkt.stream_index]);
3298 /* the following test is needed in case new streams appear
3299 dynamically in stream : we ignore them */
3300 if (pkt.stream_index >= ifile->nb_streams) {
3301 report_new_stream(file_index, &pkt);
3302 goto discard_packet;
3305 ist = input_streams[ifile->ist_index + pkt.stream_index];
3307 ist->data_size += pkt.size;
3311 goto discard_packet;
3314 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3315 "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
3316 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3317 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3318 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3319 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3320 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3321 av_ts2str(input_files[ist->file_index]->ts_offset),
3322 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3325 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3326 int64_t stime, stime2;
3327 // Correcting starttime based on the enabled streams
3328 // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
3329 // so we instead do it here as part of discontinuity handling
3330 if ( ist->next_dts == AV_NOPTS_VALUE
3331 && ifile->ts_offset == -is->start_time
3332 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3333 int64_t new_start_time = INT64_MAX;
3334 for (i=0; i<is->nb_streams; i++) {
3335 AVStream *st = is->streams[i];
3336 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3338 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3340 if (new_start_time > is->start_time) {
3341 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3342 ifile->ts_offset = -new_start_time;
3346 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3347 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3348 ist->wrap_correction_done = 1;
3350 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3351 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3352 ist->wrap_correction_done = 0;
3354 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3355 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3356 ist->wrap_correction_done = 0;
3360 /* add the stream-global side data to the first packet */
3361 if (ist->nb_packets == 1)
3362 if (ist->st->nb_side_data)
3363 av_packet_split_side_data(&pkt);
3364 for (i = 0; i < ist->st->nb_side_data; i++) {
3365 AVPacketSideData *src_sd = &ist->st->side_data[i];
3368 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3371 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3375 memcpy(dst_data, src_sd->data, src_sd->size);
3378 if (pkt.dts != AV_NOPTS_VALUE)
3379 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3380 if (pkt.pts != AV_NOPTS_VALUE)
3381 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3383 if (pkt.pts != AV_NOPTS_VALUE)
3384 pkt.pts *= ist->ts_scale;
3385 if (pkt.dts != AV_NOPTS_VALUE)
3386 pkt.dts *= ist->ts_scale;
3388 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3389 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3390 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3391 int64_t delta = pkt_dts - ifile->last_ts;
3392 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3393 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3394 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3395 ifile->ts_offset -= delta;
3396 av_log(NULL, AV_LOG_DEBUG,
3397 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3398 delta, ifile->ts_offset);
3399 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3400 if (pkt.pts != AV_NOPTS_VALUE)
3401 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3405 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3407 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3408 int64_t delta = pkt_dts - ist->next_dts;
3409 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3410 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3411 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3412 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3413 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3414 ifile->ts_offset -= delta;
3415 av_log(NULL, AV_LOG_DEBUG,
3416 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3417 delta, ifile->ts_offset);
3418 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3419 if (pkt.pts != AV_NOPTS_VALUE)
3420 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3423 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3424 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3425 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3426 pkt.dts = AV_NOPTS_VALUE;
3428 if (pkt.pts != AV_NOPTS_VALUE){
3429 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3430 delta = pkt_pts - ist->next_dts;
3431 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3432 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3433 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3434 pkt.pts = AV_NOPTS_VALUE;
3440 if (pkt.dts != AV_NOPTS_VALUE)
3441 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3444 av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
3445 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3446 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3447 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3448 av_ts2str(input_files[ist->file_index]->ts_offset),
3449 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3452 sub2video_heartbeat(ist, pkt.pts);
3454 ret = output_packet(ist, &pkt);
3456 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3457 ist->file_index, ist->st->index, av_err2str(ret));
3463 av_free_packet(&pkt);
3469 * Perform a step of transcoding for the specified filter graph.
3471 * @param[in] graph filter graph to consider
3472 * @param[out] best_ist input stream where a frame would allow to continue
3473 * @return 0 for success, <0 for error
3475 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3478 int nb_requests, nb_requests_max = 0;
3479 InputFilter *ifilter;
3483 ret = avfilter_graph_request_oldest(graph->graph);
3485 return reap_filters();
3487 if (ret == AVERROR_EOF) {
3488 ret = reap_filters();
3489 for (i = 0; i < graph->nb_outputs; i++)
3490 close_output_stream(graph->outputs[i]->ost);
3493 if (ret != AVERROR(EAGAIN))
3496 for (i = 0; i < graph->nb_inputs; i++) {
3497 ifilter = graph->inputs[i];
3499 if (input_files[ist->file_index]->eagain ||
3500 input_files[ist->file_index]->eof_reached)
3502 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3503 if (nb_requests > nb_requests_max) {
3504 nb_requests_max = nb_requests;
3510 for (i = 0; i < graph->nb_outputs; i++)
3511 graph->outputs[i]->ost->unavailable = 1;
3517 * Run a single step of transcoding.
3519 * @return 0 for success, <0 for error
3521 static int transcode_step(void)
3527 ost = choose_output();
3534 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3539 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3544 av_assert0(ost->source_index >= 0);
3545 ist = input_streams[ost->source_index];
3548 ret = process_input(ist->file_index);
3549 if (ret == AVERROR(EAGAIN)) {
3550 if (input_files[ist->file_index]->eagain)
3551 ost->unavailable = 1;
3555 return ret == AVERROR_EOF ? 0 : ret;
3557 return reap_filters();
3561 * The following code is the main loop of the file converter
3563 static int transcode(void)
3566 AVFormatContext *os;
3569 int64_t timer_start;
3571 ret = transcode_init();
3575 if (stdin_interaction) {
3576 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3579 timer_start = av_gettime_relative();
3582 if ((ret = init_input_threads()) < 0)
3586 while (!received_sigterm) {
3587 int64_t cur_time= av_gettime_relative();
3589 /* if 'q' pressed, exits */
3590 if (stdin_interaction)
3591 if (check_keyboard_interaction(cur_time) < 0)
3594 /* check if there's any stream where output is still needed */
3595 if (!need_output()) {
3596 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3600 ret = transcode_step();
3602 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3605 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3609 /* dump report by using the output first video and audio streams */
3610 print_report(0, timer_start, cur_time);
3613 free_input_threads();
3616 /* at the end of stream, we must flush the decoder buffers */
3617 for (i = 0; i < nb_input_streams; i++) {
3618 ist = input_streams[i];
3619 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3620 output_packet(ist, NULL);
3627 /* write the trailer if needed and close file */
3628 for (i = 0; i < nb_output_files; i++) {
3629 os = output_files[i]->ctx;
3630 av_write_trailer(os);
3633 /* dump report by using the first video and audio streams */
3634 print_report(1, timer_start, av_gettime_relative());
3636 /* close each encoder */
3637 for (i = 0; i < nb_output_streams; i++) {
3638 ost = output_streams[i];
3639 if (ost->encoding_needed) {
3640 av_freep(&ost->enc_ctx->stats_in);
3644 /* close each decoder */
3645 for (i = 0; i < nb_input_streams; i++) {
3646 ist = input_streams[i];
3647 if (ist->decoding_needed) {
3648 avcodec_close(ist->dec_ctx);
3649 if (ist->hwaccel_uninit)
3650 ist->hwaccel_uninit(ist->dec_ctx);
3659 free_input_threads();
3662 if (output_streams) {
3663 for (i = 0; i < nb_output_streams; i++) {
3664 ost = output_streams[i];
3667 fclose(ost->logfile);
3668 ost->logfile = NULL;
3670 av_freep(&ost->forced_kf_pts);
3671 av_freep(&ost->apad);
3672 av_dict_free(&ost->encoder_opts);
3673 av_dict_free(&ost->swr_opts);
3674 av_dict_free(&ost->resample_opts);
3682 static int64_t getutime(void)
3685 struct rusage rusage;
3687 getrusage(RUSAGE_SELF, &rusage);
3688 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3689 #elif HAVE_GETPROCESSTIMES
3691 FILETIME c, e, k, u;
3692 proc = GetCurrentProcess();
3693 GetProcessTimes(proc, &c, &e, &k, &u);
3694 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3696 return av_gettime();
3700 static int64_t getmaxrss(void)
3702 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3703 struct rusage rusage;
3704 getrusage(RUSAGE_SELF, &rusage);
3705 return (int64_t)rusage.ru_maxrss * 1024;
3706 #elif HAVE_GETPROCESSMEMORYINFO
3708 PROCESS_MEMORY_COUNTERS memcounters;
3709 proc = GetCurrentProcess();
3710 memcounters.cb = sizeof(memcounters);
3711 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3712 return memcounters.PeakPagefileUsage;
3718 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3722 int main(int argc, char **argv)
3727 register_exit(ffmpeg_cleanup);
3729 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3731 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3732 parse_loglevel(argc, argv, options);
3734 if(argc>1 && !strcmp(argv[1], "-d")){
3736 av_log_set_callback(log_callback_null);
3741 avcodec_register_all();
3743 avdevice_register_all();
3745 avfilter_register_all();
3747 avformat_network_init();
3749 show_banner(argc, argv, options);
3753 /* parse options and open all input/output files */
3754 ret = ffmpeg_parse_options(argc, argv);
3758 if (nb_output_files <= 0 && nb_input_files == 0) {
3760 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3764 /* file converter / grab */
3765 if (nb_output_files <= 0) {
3766 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3770 // if (nb_input_files == 0) {
3771 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3775 current_time = ti = getutime();
3776 if (transcode() < 0)
3778 ti = getutime() - ti;
3780 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3782 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3783 decode_error_stat[0], decode_error_stat[1]);
3784 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3787 exit_program(received_nb_signals ? 255 : main_return_code);
3788 return main_return_code;