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 "libavformat/os_support.h"
64 #include "libavformat/ffm.h" // not public API
66 # include "libavfilter/avcodec.h"
67 # include "libavfilter/avfilter.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
73 #include <sys/types.h>
74 #include <sys/resource.h>
75 #elif HAVE_GETPROCESSTIMES
78 #if HAVE_GETPROCESSMEMORYINFO
84 #include <sys/select.h>
89 #include <sys/ioctl.h>
103 #include "cmdutils.h"
105 #include "libavutil/avassert.h"
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 static FILE *vstats_file;
112 const char *const forced_keyframes_const_names[] = {
121 static void do_video_stats(OutputStream *ost, int frame_size);
122 static int64_t getutime(void);
123 static int64_t getmaxrss(void);
125 static int run_as_daemon = 0;
126 static int64_t video_size = 0;
127 static int64_t audio_size = 0;
128 static int64_t subtitle_size = 0;
129 static int64_t extra_size = 0;
130 static int nb_frames_dup = 0;
131 static int nb_frames_drop = 0;
132 static int64_t decode_error_stat[2];
134 static int current_time;
135 AVIOContext *progress_avio = NULL;
137 static uint8_t *subtitle_out;
140 /* signal to input threads that they should exit; set by the main thread */
141 static int transcoding_finished;
144 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
146 InputStream **input_streams = NULL;
147 int nb_input_streams = 0;
148 InputFile **input_files = NULL;
149 int nb_input_files = 0;
151 OutputStream **output_streams = NULL;
152 int nb_output_streams = 0;
153 OutputFile **output_files = NULL;
154 int nb_output_files = 0;
156 FilterGraph **filtergraphs;
161 /* init terminal so that we can grab keys */
162 static struct termios oldtty;
163 static int restore_tty;
166 static void free_input_threads(void);
170 Convert subtitles to video with alpha to insert them in filter graphs.
171 This is a temporary solution until libavfilter gets real subtitles support.
174 static int sub2video_get_blank_frame(InputStream *ist)
177 AVFrame *frame = ist->sub2video.frame;
179 av_frame_unref(frame);
180 ist->sub2video.frame->width = ist->sub2video.w;
181 ist->sub2video.frame->height = ist->sub2video.h;
182 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
183 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
185 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
189 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
192 uint32_t *pal, *dst2;
196 if (r->type != SUBTITLE_BITMAP) {
197 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
200 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
201 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
205 dst += r->y * dst_linesize + r->x * 4;
206 src = r->pict.data[0];
207 pal = (uint32_t *)r->pict.data[1];
208 for (y = 0; y < r->h; y++) {
209 dst2 = (uint32_t *)dst;
211 for (x = 0; x < r->w; x++)
212 *(dst2++) = pal[*(src2++)];
214 src += r->pict.linesize[0];
218 static void sub2video_push_ref(InputStream *ist, int64_t pts)
220 AVFrame *frame = ist->sub2video.frame;
223 av_assert1(frame->data[0]);
224 ist->sub2video.last_pts = frame->pts = pts;
225 for (i = 0; i < ist->nb_filters; i++)
226 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
227 AV_BUFFERSRC_FLAG_KEEP_REF |
228 AV_BUFFERSRC_FLAG_PUSH);
231 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
233 int w = ist->sub2video.w, h = ist->sub2video.h;
234 AVFrame *frame = ist->sub2video.frame;
238 int64_t pts, end_pts;
243 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
244 AV_TIME_BASE_Q, ist->st->time_base);
245 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
246 AV_TIME_BASE_Q, ist->st->time_base);
247 num_rects = sub->num_rects;
249 pts = ist->sub2video.end_pts;
253 if (sub2video_get_blank_frame(ist) < 0) {
254 av_log(ist->st->codec, AV_LOG_ERROR,
255 "Impossible to get a blank canvas.\n");
258 dst = frame->data [0];
259 dst_linesize = frame->linesize[0];
260 for (i = 0; i < num_rects; i++)
261 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
262 sub2video_push_ref(ist, pts);
263 ist->sub2video.end_pts = end_pts;
266 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
268 InputFile *infile = input_files[ist->file_index];
272 /* When a frame is read from a file, examine all sub2video streams in
273 the same file and send the sub2video frame again. Otherwise, decoded
274 video frames could be accumulating in the filter graph while a filter
275 (possibly overlay) is desperately waiting for a subtitle frame. */
276 for (i = 0; i < infile->nb_streams; i++) {
277 InputStream *ist2 = input_streams[infile->ist_index + i];
278 if (!ist2->sub2video.frame)
280 /* subtitles seem to be usually muxed ahead of other streams;
281 if not, substracting a larger time here is necessary */
282 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
283 /* do not send the heartbeat frame if the subtitle is already ahead */
284 if (pts2 <= ist2->sub2video.last_pts)
286 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
287 sub2video_update(ist2, NULL);
288 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
289 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
291 sub2video_push_ref(ist2, pts2);
295 static void sub2video_flush(InputStream *ist)
299 for (i = 0; i < ist->nb_filters; i++)
300 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
303 /* end of sub2video hack */
307 av_log(NULL, AV_LOG_QUIET, "%s", "");
310 tcsetattr (0, TCSANOW, &oldtty);
314 static volatile int received_sigterm = 0;
315 static volatile int received_nb_signals = 0;
318 sigterm_handler(int sig)
320 received_sigterm = sig;
321 received_nb_signals++;
323 if(received_nb_signals > 3)
334 istty = isatty(0) && isatty(2);
336 if (istty && tcgetattr (0, &tty) == 0) {
340 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
341 |INLCR|IGNCR|ICRNL|IXON);
342 tty.c_oflag |= OPOST;
343 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
344 tty.c_cflag &= ~(CSIZE|PARENB);
349 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 avformat_network_deinit();
356 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
357 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
359 signal(SIGXCPU, sigterm_handler);
363 /* read a key without blocking */
364 static int read_key(void)
376 n = select(1, &rfds, NULL, NULL, &tv);
385 # if HAVE_PEEKNAMEDPIPE
387 static HANDLE input_handle;
390 input_handle = GetStdHandle(STD_INPUT_HANDLE);
391 is_pipe = !GetConsoleMode(input_handle, &dw);
394 if (stdin->_cnt > 0) {
399 /* When running under a GUI, you will end here. */
400 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
401 // input pipe may have been closed by the program that ran ffmpeg
419 static int decode_interrupt_cb(void *ctx)
421 return received_nb_signals > 1;
424 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
426 static void ffmpeg_cleanup(int ret)
431 int maxrss = getmaxrss() / 1024;
432 printf("bench: maxrss=%ikB\n", maxrss);
435 for (i = 0; i < nb_filtergraphs; i++) {
436 avfilter_graph_free(&filtergraphs[i]->graph);
437 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
438 av_freep(&filtergraphs[i]->inputs[j]->name);
439 av_freep(&filtergraphs[i]->inputs[j]);
441 av_freep(&filtergraphs[i]->inputs);
442 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
443 av_freep(&filtergraphs[i]->outputs[j]->name);
444 av_freep(&filtergraphs[i]->outputs[j]);
446 av_freep(&filtergraphs[i]->outputs);
447 av_freep(&filtergraphs[i]->graph_desc);
448 av_freep(&filtergraphs[i]);
450 av_freep(&filtergraphs);
452 av_freep(&subtitle_out);
455 for (i = 0; i < nb_output_files; i++) {
456 AVFormatContext *s = output_files[i]->ctx;
457 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
459 avformat_free_context(s);
460 av_dict_free(&output_files[i]->opts);
461 av_freep(&output_files[i]);
463 for (i = 0; i < nb_output_streams; i++) {
464 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
466 AVBitStreamFilterContext *next = bsfc->next;
467 av_bitstream_filter_close(bsfc);
470 output_streams[i]->bitstream_filters = NULL;
471 av_frame_free(&output_streams[i]->filtered_frame);
473 av_parser_close(output_streams[i]->parser);
475 av_freep(&output_streams[i]->forced_keyframes);
476 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
477 av_freep(&output_streams[i]->avfilter);
478 av_freep(&output_streams[i]->logfile_prefix);
479 av_freep(&output_streams[i]);
482 free_input_threads();
484 for (i = 0; i < nb_input_files; i++) {
485 avformat_close_input(&input_files[i]->ctx);
486 av_freep(&input_files[i]);
488 for (i = 0; i < nb_input_streams; i++) {
489 av_frame_free(&input_streams[i]->decoded_frame);
490 av_frame_free(&input_streams[i]->filter_frame);
491 av_dict_free(&input_streams[i]->opts);
492 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
493 av_frame_free(&input_streams[i]->sub2video.frame);
494 av_freep(&input_streams[i]->filters);
495 av_freep(&input_streams[i]->hwaccel_device);
496 av_freep(&input_streams[i]);
501 av_free(vstats_filename);
503 av_freep(&input_streams);
504 av_freep(&input_files);
505 av_freep(&output_streams);
506 av_freep(&output_files);
510 avformat_network_deinit();
512 if (received_sigterm) {
513 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
514 (int) received_sigterm);
519 void assert_avoptions(AVDictionary *m)
521 AVDictionaryEntry *t;
522 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
523 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
528 static void abort_codec_experimental(AVCodec *c, int encoder)
533 static void update_benchmark(const char *fmt, ...)
535 if (do_benchmark_all) {
536 int64_t t = getutime();
542 vsnprintf(buf, sizeof(buf), fmt, va);
544 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
550 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
552 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
553 AVCodecContext *avctx = ost->st->codec;
556 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
557 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
558 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
561 * Audio encoders may split the packets -- #frames in != #packets out.
562 * But there is no reordering, so we can limit the number of output packets
563 * by simply dropping them here.
564 * Counting encoded video frames needs to be done separately because of
565 * reordering, see do_video_out()
567 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
568 if (ost->frame_number >= ost->max_frames) {
576 AVPacket new_pkt = *pkt;
577 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
578 &new_pkt.data, &new_pkt.size,
579 pkt->data, pkt->size,
580 pkt->flags & AV_PKT_FLAG_KEY);
581 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
582 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
584 memcpy(t, new_pkt.data, new_pkt.size);
585 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
594 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
595 av_buffer_default_free, NULL, 0);
599 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
600 bsfc->filter->name, pkt->stream_index,
601 avctx->codec ? avctx->codec->name : "copy");
611 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
612 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
613 pkt->dts != AV_NOPTS_VALUE &&
614 ost->last_mux_dts != AV_NOPTS_VALUE) {
615 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
616 if (pkt->dts < max) {
617 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
618 av_log(s, loglevel, "Non-monotonous DTS in output stream "
619 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
620 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
622 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
625 av_log(s, loglevel, "changing to %"PRId64". This may result "
626 "in incorrect timestamps in the output file.\n",
628 if(pkt->pts >= pkt->dts)
629 pkt->pts = FFMAX(pkt->pts, max);
633 ost->last_mux_dts = pkt->dts;
635 pkt->stream_index = ost->index;
638 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
639 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
640 av_get_media_type_string(ost->st->codec->codec_type),
641 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
642 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
647 ret = av_interleaved_write_frame(s, pkt);
649 print_error("av_interleaved_write_frame()", ret);
654 static void close_output_stream(OutputStream *ost)
656 OutputFile *of = output_files[ost->file_index];
660 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
661 of->recording_time = FFMIN(of->recording_time, end);
665 static int check_recording_time(OutputStream *ost)
667 OutputFile *of = output_files[ost->file_index];
669 if (of->recording_time != INT64_MAX &&
670 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
671 AV_TIME_BASE_Q) >= 0) {
672 close_output_stream(ost);
678 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
681 AVCodecContext *enc = ost->st->codec;
685 av_init_packet(&pkt);
689 if (!check_recording_time(ost))
692 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
693 frame->pts = ost->sync_opts;
694 ost->sync_opts = frame->pts + frame->nb_samples;
696 av_assert0(pkt.size || !pkt.data);
697 update_benchmark(NULL);
698 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
699 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
702 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
705 if (pkt.pts != AV_NOPTS_VALUE)
706 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
707 if (pkt.dts != AV_NOPTS_VALUE)
708 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
709 if (pkt.duration > 0)
710 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
713 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
714 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
715 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
716 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
719 audio_size += pkt.size;
720 write_frame(s, &pkt, ost);
722 av_free_packet(&pkt);
726 static void do_subtitle_out(AVFormatContext *s,
731 int subtitle_out_max_size = 1024 * 1024;
732 int subtitle_out_size, nb, i;
737 if (sub->pts == AV_NOPTS_VALUE) {
738 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
744 enc = ost->st->codec;
747 subtitle_out = av_malloc(subtitle_out_max_size);
750 /* Note: DVB subtitle need one packet to draw them and one other
751 packet to clear them */
752 /* XXX: signal it in the codec context ? */
753 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
758 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
760 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
761 pts -= output_files[ost->file_index]->start_time;
762 for (i = 0; i < nb; i++) {
763 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
764 if (!check_recording_time(ost))
768 // start_display_time is required to be 0
769 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
770 sub->end_display_time -= sub->start_display_time;
771 sub->start_display_time = 0;
774 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
775 subtitle_out_max_size, sub);
776 if (subtitle_out_size < 0) {
777 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
781 av_init_packet(&pkt);
782 pkt.data = subtitle_out;
783 pkt.size = subtitle_out_size;
784 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
785 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
786 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
787 /* XXX: the pts correction is handled here. Maybe handling
788 it in the codec would be better */
790 pkt.pts += 90 * sub->start_display_time;
792 pkt.pts += 90 * sub->end_display_time;
794 subtitle_size += pkt.size;
795 write_frame(s, &pkt, ost);
799 static void do_video_out(AVFormatContext *s,
803 int ret, format_video_sync;
805 AVCodecContext *enc = ost->st->codec;
807 double sync_ipts, delta;
810 InputStream *ist = NULL;
812 if (ost->source_index >= 0)
813 ist = input_streams[ost->source_index];
815 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
816 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
818 sync_ipts = in_picture->pts;
819 delta = sync_ipts - ost->sync_opts + duration;
821 /* by default, we output a single frame */
824 format_video_sync = video_sync_method;
825 if (format_video_sync == VSYNC_AUTO) {
826 if(!strcmp(s->oformat->name, "avi")) {
827 format_video_sync = VSYNC_VFR;
829 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
831 && format_video_sync == VSYNC_CFR
832 && input_files[ist->file_index]->ctx->nb_streams == 1
833 && input_files[ist->file_index]->input_ts_offset == 0) {
834 format_video_sync = VSYNC_VSCFR;
836 if (format_video_sync == VSYNC_CFR && copy_ts) {
837 format_video_sync = VSYNC_VSCFR;
841 switch (format_video_sync) {
843 if (ost->frame_number == 0 && delta - duration >= 0.5) {
844 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
846 ost->sync_opts = lrint(sync_ipts);
849 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
852 else if (delta > 1.1)
853 nb_frames = lrintf(delta);
858 else if (delta > 0.6)
859 ost->sync_opts = lrint(sync_ipts);
862 case VSYNC_PASSTHROUGH:
863 ost->sync_opts = lrint(sync_ipts);
869 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
870 if (nb_frames == 0) {
872 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
874 } else if (nb_frames > 1) {
875 if (nb_frames > dts_error_threshold * 30) {
876 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
880 nb_frames_dup += nb_frames - 1;
881 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
884 /* duplicates frame if needed */
885 for (i = 0; i < nb_frames; i++) {
886 av_init_packet(&pkt);
890 in_picture->pts = ost->sync_opts;
893 if (!check_recording_time(ost))
895 if (ost->frame_number >= ost->max_frames)
899 if (s->oformat->flags & AVFMT_RAWPICTURE &&
900 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
901 /* raw pictures are written as AVPicture structure to
902 avoid any copies. We support temporarily the older
904 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
905 enc->coded_frame->top_field_first = in_picture->top_field_first;
906 if (enc->coded_frame->interlaced_frame)
907 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
909 enc->field_order = AV_FIELD_PROGRESSIVE;
910 pkt.data = (uint8_t *)in_picture;
911 pkt.size = sizeof(AVPicture);
912 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
913 pkt.flags |= AV_PKT_FLAG_KEY;
915 video_size += pkt.size;
916 write_frame(s, &pkt, ost);
918 int got_packet, forced_keyframe = 0;
921 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
922 ost->top_field_first >= 0)
923 in_picture->top_field_first = !!ost->top_field_first;
925 if (in_picture->interlaced_frame) {
926 if (enc->codec->id == AV_CODEC_ID_MJPEG)
927 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
929 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
931 enc->field_order = AV_FIELD_PROGRESSIVE;
933 in_picture->quality = ost->st->codec->global_quality;
934 if (!enc->me_threshold)
935 in_picture->pict_type = 0;
937 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
938 in_picture->pts * av_q2d(enc->time_base) : NAN;
939 if (ost->forced_kf_index < ost->forced_kf_count &&
940 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
941 ost->forced_kf_index++;
943 } else if (ost->forced_keyframes_pexpr) {
945 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
946 res = av_expr_eval(ost->forced_keyframes_pexpr,
947 ost->forced_keyframes_expr_const_values, NULL);
948 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
949 ost->forced_keyframes_expr_const_values[FKF_N],
950 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
951 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
952 ost->forced_keyframes_expr_const_values[FKF_T],
953 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
957 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
958 ost->forced_keyframes_expr_const_values[FKF_N];
959 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
960 ost->forced_keyframes_expr_const_values[FKF_T];
961 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
964 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
966 if (forced_keyframe) {
967 in_picture->pict_type = AV_PICTURE_TYPE_I;
968 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
971 update_benchmark(NULL);
972 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
973 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
975 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
980 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
981 pkt.pts = ost->sync_opts;
983 if (pkt.pts != AV_NOPTS_VALUE)
984 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
985 if (pkt.dts != AV_NOPTS_VALUE)
986 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
989 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
990 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
991 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
992 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
995 frame_size = pkt.size;
996 video_size += pkt.size;
997 write_frame(s, &pkt, ost);
998 av_free_packet(&pkt);
1000 /* if two pass, output log */
1001 if (ost->logfile && enc->stats_out) {
1002 fprintf(ost->logfile, "%s", enc->stats_out);
1008 * For video, number of frames in == number of packets out.
1009 * But there may be reordering, so we can't throw away frames on encoder
1010 * flush, we need to limit them here, before they go into encoder.
1012 ost->frame_number++;
1014 if (vstats_filename && frame_size)
1015 do_video_stats(ost, frame_size);
1019 static double psnr(double d)
1021 return -10.0 * log(d) / log(10.0);
1024 static void do_video_stats(OutputStream *ost, int frame_size)
1026 AVCodecContext *enc;
1028 double ti1, bitrate, avg_bitrate;
1030 /* this is executed just the first time do_video_stats is called */
1032 vstats_file = fopen(vstats_filename, "w");
1039 enc = ost->st->codec;
1040 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1041 frame_number = ost->st->nb_frames;
1042 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1043 if (enc->flags&CODEC_FLAG_PSNR)
1044 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1046 fprintf(vstats_file,"f_size= %6d ", frame_size);
1047 /* compute pts value */
1048 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1052 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1053 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1054 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1055 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1056 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1061 * Get and encode new output from any of the filtergraphs, without causing
1064 * @return 0 for success, <0 for severe errors
1066 static int reap_filters(void)
1068 AVFrame *filtered_frame = NULL;
1072 /* Reap all buffers present in the buffer sinks */
1073 for (i = 0; i < nb_output_streams; i++) {
1074 OutputStream *ost = output_streams[i];
1075 OutputFile *of = output_files[ost->file_index];
1081 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1082 return AVERROR(ENOMEM);
1084 filtered_frame = ost->filtered_frame;
1087 ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame,
1088 AV_BUFFERSINK_FLAG_NO_REQUEST);
1090 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1091 av_log(NULL, AV_LOG_WARNING,
1092 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1096 frame_pts = AV_NOPTS_VALUE;
1097 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1098 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1099 filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts,
1100 ost->filter->filter->inputs[0]->time_base,
1101 ost->st->codec->time_base) -
1102 av_rescale_q(start_time,
1104 ost->st->codec->time_base);
1106 //if (ost->source_index >= 0)
1107 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1110 switch (ost->filter->filter->inputs[0]->type) {
1111 case AVMEDIA_TYPE_VIDEO:
1112 filtered_frame->pts = frame_pts;
1113 if (!ost->frame_aspect_ratio.num)
1114 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1116 do_video_out(of->ctx, ost, filtered_frame);
1118 case AVMEDIA_TYPE_AUDIO:
1119 filtered_frame->pts = frame_pts;
1120 if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1121 ost->st->codec->channels != av_frame_get_channels(filtered_frame)) {
1122 av_log(NULL, AV_LOG_ERROR,
1123 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1126 do_audio_out(of->ctx, ost, filtered_frame);
1129 // TODO support subtitle filters
1133 av_frame_unref(filtered_frame);
1140 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1143 AVBPrint buf_script;
1145 AVFormatContext *oc;
1147 AVCodecContext *enc;
1148 int frame_number, vid, i;
1150 int64_t pts = INT64_MIN;
1151 static int64_t last_time = -1;
1152 static int qp_histogram[52];
1153 int hours, mins, secs, us;
1155 if (!print_stats && !is_last_report && !progress_avio)
1158 if (!is_last_report) {
1159 if (last_time == -1) {
1160 last_time = cur_time;
1163 if ((cur_time - last_time) < 500000)
1165 last_time = cur_time;
1169 oc = output_files[0]->ctx;
1171 total_size = avio_size(oc->pb);
1172 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1173 total_size = avio_tell(oc->pb);
1177 av_bprint_init(&buf_script, 0, 1);
1178 for (i = 0; i < nb_output_streams; i++) {
1180 ost = output_streams[i];
1181 enc = ost->st->codec;
1182 if (!ost->stream_copy && enc->coded_frame)
1183 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1184 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1185 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1186 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1187 ost->file_index, ost->index, q);
1189 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1190 float fps, t = (cur_time-timer_start) / 1000000.0;
1192 frame_number = ost->frame_number;
1193 fps = t > 1 ? frame_number / t : 0;
1194 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1195 frame_number, fps < 9.95, fps, q);
1196 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1197 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1198 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1199 ost->file_index, ost->index, q);
1201 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1205 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1207 for (j = 0; j < 32; j++)
1208 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1210 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1212 double error, error_sum = 0;
1213 double scale, scale_sum = 0;
1215 char type[3] = { 'Y','U','V' };
1216 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1217 for (j = 0; j < 3; j++) {
1218 if (is_last_report) {
1219 error = enc->error[j];
1220 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1222 error = enc->coded_frame->error[j];
1223 scale = enc->width * enc->height * 255.0 * 255.0;
1229 p = psnr(error / scale);
1230 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1231 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1232 ost->file_index, ost->index, type[j] | 32, p);
1234 p = psnr(error_sum / scale_sum);
1235 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1236 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1237 ost->file_index, ost->index, p);
1241 /* compute min output value */
1242 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1243 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1244 ost->st->time_base, AV_TIME_BASE_Q));
1247 secs = pts / AV_TIME_BASE;
1248 us = pts % AV_TIME_BASE;
1254 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1256 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1258 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1259 "size=%8.0fkB time=", total_size / 1024.0);
1260 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1261 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1262 (100 * us) / AV_TIME_BASE);
1263 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1265 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1266 "bitrate=%6.1fkbits/s", bitrate);
1267 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1268 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1269 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1270 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1271 hours, mins, secs, us);
1273 if (nb_frames_dup || nb_frames_drop)
1274 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1275 nb_frames_dup, nb_frames_drop);
1276 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1277 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1279 if (print_stats || is_last_report) {
1280 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1281 fprintf(stderr, "%s \r", buf);
1283 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1288 if (progress_avio) {
1289 av_bprintf(&buf_script, "progress=%s\n",
1290 is_last_report ? "end" : "continue");
1291 avio_write(progress_avio, buf_script.str,
1292 FFMIN(buf_script.len, buf_script.size - 1));
1293 avio_flush(progress_avio);
1294 av_bprint_finalize(&buf_script, NULL);
1295 if (is_last_report) {
1296 avio_close(progress_avio);
1297 progress_avio = NULL;
1301 if (is_last_report) {
1302 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1303 av_log(NULL, AV_LOG_INFO, "\n");
1304 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1305 video_size / 1024.0,
1306 audio_size / 1024.0,
1307 subtitle_size / 1024.0,
1308 extra_size / 1024.0,
1309 100.0 * (total_size - raw) / raw
1311 if(video_size + audio_size + subtitle_size + extra_size == 0){
1312 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1317 static void flush_encoders(void)
1321 for (i = 0; i < nb_output_streams; i++) {
1322 OutputStream *ost = output_streams[i];
1323 AVCodecContext *enc = ost->st->codec;
1324 AVFormatContext *os = output_files[ost->file_index]->ctx;
1325 int stop_encoding = 0;
1327 if (!ost->encoding_needed)
1330 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1332 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1336 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1340 switch (ost->st->codec->codec_type) {
1341 case AVMEDIA_TYPE_AUDIO:
1342 encode = avcodec_encode_audio2;
1346 case AVMEDIA_TYPE_VIDEO:
1347 encode = avcodec_encode_video2;
1358 av_init_packet(&pkt);
1362 update_benchmark(NULL);
1363 ret = encode(enc, &pkt, NULL, &got_packet);
1364 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1366 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1370 if (ost->logfile && enc->stats_out) {
1371 fprintf(ost->logfile, "%s", enc->stats_out);
1377 if (pkt.pts != AV_NOPTS_VALUE)
1378 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1379 if (pkt.dts != AV_NOPTS_VALUE)
1380 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1381 if (pkt.duration > 0)
1382 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1383 write_frame(os, &pkt, ost);
1384 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1385 do_video_stats(ost, pkt.size);
1396 * Check whether a packet from ist should be written into ost at this time
1398 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1400 OutputFile *of = output_files[ost->file_index];
1401 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1403 if (ost->source_index != ist_index)
1406 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1412 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1414 OutputFile *of = output_files[ost->file_index];
1415 InputFile *f = input_files [ist->file_index];
1416 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1417 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1418 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1422 av_init_packet(&opkt);
1424 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1425 !ost->copy_initial_nonkeyframes)
1428 if (pkt->pts == AV_NOPTS_VALUE) {
1429 if (!ost->frame_number && ist->pts < start_time &&
1430 !ost->copy_prior_start)
1433 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1434 !ost->copy_prior_start)
1438 if (of->recording_time != INT64_MAX &&
1439 ist->pts >= of->recording_time + start_time) {
1440 close_output_stream(ost);
1444 if (f->recording_time != INT64_MAX) {
1445 start_time = f->ctx->start_time;
1446 if (f->start_time != AV_NOPTS_VALUE)
1447 start_time += f->start_time;
1448 if (ist->pts >= f->recording_time + start_time) {
1449 close_output_stream(ost);
1454 /* force the input stream PTS */
1455 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1456 audio_size += pkt->size;
1457 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1458 video_size += pkt->size;
1460 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1461 subtitle_size += pkt->size;
1464 if (pkt->pts != AV_NOPTS_VALUE)
1465 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1467 opkt.pts = AV_NOPTS_VALUE;
1469 if (pkt->dts == AV_NOPTS_VALUE)
1470 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1472 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1473 opkt.dts -= ost_tb_start_time;
1475 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1476 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1478 duration = ist->st->codec->frame_size;
1479 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1480 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1481 ost->st->time_base) - ost_tb_start_time;
1484 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1485 opkt.flags = pkt->flags;
1487 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1488 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1489 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1490 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1491 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1493 if (av_parser_change(ost->parser, ost->st->codec,
1494 &opkt.data, &opkt.size,
1495 pkt->data, pkt->size,
1496 pkt->flags & AV_PKT_FLAG_KEY)) {
1497 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1502 opkt.data = pkt->data;
1503 opkt.size = pkt->size;
1505 av_copy_packet_side_data(&opkt, pkt);
1507 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1508 /* store AVPicture in AVPacket, as expected by the output format */
1509 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1510 opkt.data = (uint8_t *)&pict;
1511 opkt.size = sizeof(AVPicture);
1512 opkt.flags |= AV_PKT_FLAG_KEY;
1515 write_frame(of->ctx, &opkt, ost);
1516 ost->st->codec->frame_number++;
1519 int guess_input_channel_layout(InputStream *ist)
1521 AVCodecContext *dec = ist->st->codec;
1523 if (!dec->channel_layout) {
1524 char layout_name[256];
1526 if (dec->channels > ist->guess_layout_max)
1528 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1529 if (!dec->channel_layout)
1531 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1532 dec->channels, dec->channel_layout);
1533 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1534 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1539 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1541 AVFrame *decoded_frame, *f;
1542 AVCodecContext *avctx = ist->st->codec;
1543 int i, ret, err = 0, resample_changed;
1544 AVRational decoded_frame_tb;
1546 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1547 return AVERROR(ENOMEM);
1548 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1549 return AVERROR(ENOMEM);
1550 decoded_frame = ist->decoded_frame;
1552 update_benchmark(NULL);
1553 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1554 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1556 if (ret >= 0 && avctx->sample_rate <= 0) {
1557 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1558 ret = AVERROR_INVALIDDATA;
1561 if (*got_output || ret<0 || pkt->size)
1562 decode_error_stat[ret<0] ++;
1564 if (!*got_output || ret < 0) {
1566 for (i = 0; i < ist->nb_filters; i++)
1568 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1570 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1577 /* increment next_dts to use for the case where the input stream does not
1578 have timestamps or there are multiple frames in the packet */
1579 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1581 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1585 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1586 ist->resample_channels != avctx->channels ||
1587 ist->resample_channel_layout != decoded_frame->channel_layout ||
1588 ist->resample_sample_rate != decoded_frame->sample_rate;
1589 if (resample_changed) {
1590 char layout1[64], layout2[64];
1592 if (!guess_input_channel_layout(ist)) {
1593 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1594 "layout for Input Stream #%d.%d\n", ist->file_index,
1598 decoded_frame->channel_layout = avctx->channel_layout;
1600 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1601 ist->resample_channel_layout);
1602 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1603 decoded_frame->channel_layout);
1605 av_log(NULL, AV_LOG_INFO,
1606 "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",
1607 ist->file_index, ist->st->index,
1608 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1609 ist->resample_channels, layout1,
1610 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1611 avctx->channels, layout2);
1613 ist->resample_sample_fmt = decoded_frame->format;
1614 ist->resample_sample_rate = decoded_frame->sample_rate;
1615 ist->resample_channel_layout = decoded_frame->channel_layout;
1616 ist->resample_channels = avctx->channels;
1618 for (i = 0; i < nb_filtergraphs; i++)
1619 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1620 FilterGraph *fg = filtergraphs[i];
1622 if (configure_filtergraph(fg) < 0) {
1623 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1626 for (j = 0; j < fg->nb_outputs; j++) {
1627 OutputStream *ost = fg->outputs[j]->ost;
1628 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1629 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1630 av_buffersink_set_frame_size(ost->filter->filter,
1631 ost->st->codec->frame_size);
1636 /* if the decoder provides a pts, use it instead of the last packet pts.
1637 the decoder could be delaying output by a packet or more. */
1638 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1639 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1640 decoded_frame_tb = avctx->time_base;
1641 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1642 decoded_frame->pts = decoded_frame->pkt_pts;
1643 pkt->pts = AV_NOPTS_VALUE;
1644 decoded_frame_tb = ist->st->time_base;
1645 } else if (pkt->pts != AV_NOPTS_VALUE) {
1646 decoded_frame->pts = pkt->pts;
1647 pkt->pts = AV_NOPTS_VALUE;
1648 decoded_frame_tb = ist->st->time_base;
1650 decoded_frame->pts = ist->dts;
1651 decoded_frame_tb = AV_TIME_BASE_Q;
1653 if (decoded_frame->pts != AV_NOPTS_VALUE)
1654 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1655 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1656 (AVRational){1, ist->st->codec->sample_rate});
1657 for (i = 0; i < ist->nb_filters; i++) {
1658 if (i < ist->nb_filters - 1) {
1659 f = ist->filter_frame;
1660 err = av_frame_ref(f, decoded_frame);
1665 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1666 AV_BUFFERSRC_FLAG_PUSH);
1667 if (err == AVERROR_EOF)
1668 err = 0; /* ignore */
1672 decoded_frame->pts = AV_NOPTS_VALUE;
1674 av_frame_unref(ist->filter_frame);
1675 av_frame_unref(decoded_frame);
1676 return err < 0 ? err : ret;
1679 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1681 AVFrame *decoded_frame, *f;
1682 int i, ret = 0, err = 0, resample_changed;
1683 int64_t best_effort_timestamp;
1684 AVRational *frame_sample_aspect;
1686 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1687 return AVERROR(ENOMEM);
1688 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1689 return AVERROR(ENOMEM);
1690 decoded_frame = ist->decoded_frame;
1691 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1693 update_benchmark(NULL);
1694 ret = avcodec_decode_video2(ist->st->codec,
1695 decoded_frame, got_output, pkt);
1696 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1698 if (*got_output || ret<0 || pkt->size)
1699 decode_error_stat[ret<0] ++;
1701 if (!*got_output || ret < 0) {
1703 for (i = 0; i < ist->nb_filters; i++)
1705 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1707 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1713 if(ist->top_field_first>=0)
1714 decoded_frame->top_field_first = ist->top_field_first;
1716 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1717 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1721 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1723 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1724 if(best_effort_timestamp != AV_NOPTS_VALUE)
1725 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1728 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1729 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1730 ist->st->index, av_ts2str(decoded_frame->pts),
1731 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1732 best_effort_timestamp,
1733 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1734 decoded_frame->key_frame, decoded_frame->pict_type);
1739 if (ist->st->sample_aspect_ratio.num)
1740 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1742 resample_changed = ist->resample_width != decoded_frame->width ||
1743 ist->resample_height != decoded_frame->height ||
1744 ist->resample_pix_fmt != decoded_frame->format;
1745 if (resample_changed) {
1746 av_log(NULL, AV_LOG_INFO,
1747 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1748 ist->file_index, ist->st->index,
1749 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1750 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1752 ist->resample_width = decoded_frame->width;
1753 ist->resample_height = decoded_frame->height;
1754 ist->resample_pix_fmt = decoded_frame->format;
1756 for (i = 0; i < nb_filtergraphs; i++) {
1757 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1758 configure_filtergraph(filtergraphs[i]) < 0) {
1759 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1765 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1766 for (i = 0; i < ist->nb_filters; i++) {
1767 if (!frame_sample_aspect->num)
1768 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1770 if (i < ist->nb_filters - 1) {
1771 f = ist->filter_frame;
1772 err = av_frame_ref(f, decoded_frame);
1777 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1778 if (ret == AVERROR_EOF) {
1779 ret = 0; /* ignore */
1780 } else if (ret < 0) {
1781 av_log(NULL, AV_LOG_FATAL,
1782 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1788 av_frame_unref(ist->filter_frame);
1789 av_frame_unref(decoded_frame);
1790 return err < 0 ? err : ret;
1793 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1795 AVSubtitle subtitle;
1796 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1797 &subtitle, got_output, pkt);
1799 if (*got_output || ret<0 || pkt->size)
1800 decode_error_stat[ret<0] ++;
1802 if (ret < 0 || !*got_output) {
1804 sub2video_flush(ist);
1808 if (ist->fix_sub_duration) {
1810 if (ist->prev_sub.got_output) {
1811 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1812 1000, AV_TIME_BASE);
1813 if (end < ist->prev_sub.subtitle.end_display_time) {
1814 av_log(ist->st->codec, AV_LOG_DEBUG,
1815 "Subtitle duration reduced from %d to %d%s\n",
1816 ist->prev_sub.subtitle.end_display_time, end,
1817 end <= 0 ? ", dropping it" : "");
1818 ist->prev_sub.subtitle.end_display_time = end;
1821 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1822 FFSWAP(int, ret, ist->prev_sub.ret);
1823 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1831 sub2video_update(ist, &subtitle);
1833 if (!subtitle.num_rects)
1836 for (i = 0; i < nb_output_streams; i++) {
1837 OutputStream *ost = output_streams[i];
1839 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1842 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1846 avsubtitle_free(&subtitle);
1850 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1851 static int output_packet(InputStream *ist, const AVPacket *pkt)
1857 if (!ist->saw_first_ts) {
1858 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1860 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1861 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1862 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1864 ist->saw_first_ts = 1;
1867 if (ist->next_dts == AV_NOPTS_VALUE)
1868 ist->next_dts = ist->dts;
1869 if (ist->next_pts == AV_NOPTS_VALUE)
1870 ist->next_pts = ist->pts;
1874 av_init_packet(&avpkt);
1882 if (pkt->dts != AV_NOPTS_VALUE) {
1883 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1884 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1885 ist->next_pts = ist->pts = ist->dts;
1888 // while we have more to decode or while the decoder did output something on EOF
1889 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1893 ist->pts = ist->next_pts;
1894 ist->dts = ist->next_dts;
1896 if (avpkt.size && avpkt.size != pkt->size) {
1897 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1898 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1899 ist->showed_multi_packet_warning = 1;
1902 switch (ist->st->codec->codec_type) {
1903 case AVMEDIA_TYPE_AUDIO:
1904 ret = decode_audio (ist, &avpkt, &got_output);
1906 case AVMEDIA_TYPE_VIDEO:
1907 ret = decode_video (ist, &avpkt, &got_output);
1908 if (avpkt.duration) {
1909 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1910 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1911 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1912 duration = ((int64_t)AV_TIME_BASE *
1913 ist->st->codec->time_base.num * ticks) /
1914 ist->st->codec->time_base.den;
1918 if(ist->dts != AV_NOPTS_VALUE && duration) {
1919 ist->next_dts += duration;
1921 ist->next_dts = AV_NOPTS_VALUE;
1924 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1926 case AVMEDIA_TYPE_SUBTITLE:
1927 ret = transcode_subtitles(ist, &avpkt, &got_output);
1937 avpkt.pts= AV_NOPTS_VALUE;
1939 // touch data and size only if not EOF
1941 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1951 /* handle stream copy */
1952 if (!ist->decoding_needed) {
1953 ist->dts = ist->next_dts;
1954 switch (ist->st->codec->codec_type) {
1955 case AVMEDIA_TYPE_AUDIO:
1956 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1957 ist->st->codec->sample_rate;
1959 case AVMEDIA_TYPE_VIDEO:
1960 if (ist->framerate.num) {
1961 // TODO: Remove work-around for c99-to-c89 issue 7
1962 AVRational time_base_q = AV_TIME_BASE_Q;
1963 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
1964 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
1965 } else if (pkt->duration) {
1966 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1967 } else if(ist->st->codec->time_base.num != 0) {
1968 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1969 ist->next_dts += ((int64_t)AV_TIME_BASE *
1970 ist->st->codec->time_base.num * ticks) /
1971 ist->st->codec->time_base.den;
1975 ist->pts = ist->dts;
1976 ist->next_pts = ist->next_dts;
1978 for (i = 0; pkt && i < nb_output_streams; i++) {
1979 OutputStream *ost = output_streams[i];
1981 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1984 do_streamcopy(ist, ost, pkt);
1990 static void print_sdp(void)
1994 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1998 for (i = 0; i < nb_output_files; i++)
1999 avc[i] = output_files[i]->ctx;
2001 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2002 printf("SDP:\n%s\n", sdp);
2007 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2010 for (i = 0; hwaccels[i].name; i++)
2011 if (hwaccels[i].pix_fmt == pix_fmt)
2012 return &hwaccels[i];
2016 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2018 InputStream *ist = s->opaque;
2019 const enum AVPixelFormat *p;
2022 for (p = pix_fmts; *p != -1; p++) {
2023 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2024 const HWAccel *hwaccel;
2026 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2029 hwaccel = get_hwaccel(*p);
2031 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2032 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2035 ret = hwaccel->init(s);
2037 if (ist->hwaccel_id == hwaccel->id) {
2038 av_log(NULL, AV_LOG_FATAL,
2039 "%s hwaccel requested for input stream #%d:%d, "
2040 "but cannot be initialized.\n", hwaccel->name,
2041 ist->file_index, ist->st->index);
2046 ist->active_hwaccel_id = hwaccel->id;
2047 ist->hwaccel_pix_fmt = *p;
2054 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2056 InputStream *ist = s->opaque;
2058 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2059 return ist->hwaccel_get_buffer(s, frame, flags);
2061 return avcodec_default_get_buffer2(s, frame, flags);
2064 static int init_input_stream(int ist_index, char *error, int error_len)
2067 InputStream *ist = input_streams[ist_index];
2069 if (ist->decoding_needed) {
2070 AVCodec *codec = ist->dec;
2072 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2073 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2074 return AVERROR(EINVAL);
2077 ist->st->codec->opaque = ist;
2078 ist->st->codec->get_format = get_format;
2079 ist->st->codec->get_buffer2 = get_buffer;
2080 ist->st->codec->thread_safe_callbacks = 1;
2082 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2084 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2085 av_dict_set(&ist->opts, "threads", "auto", 0);
2086 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
2088 if (ret == AVERROR_EXPERIMENTAL)
2089 abort_codec_experimental(codec, 0);
2091 av_strerror(ret, errbuf, sizeof(errbuf));
2093 snprintf(error, error_len,
2094 "Error while opening decoder for input stream "
2096 ist->file_index, ist->st->index, errbuf);
2099 assert_avoptions(ist->opts);
2102 ist->next_pts = AV_NOPTS_VALUE;
2103 ist->next_dts = AV_NOPTS_VALUE;
2109 static InputStream *get_input_stream(OutputStream *ost)
2111 if (ost->source_index >= 0)
2112 return input_streams[ost->source_index];
2116 static int compare_int64(const void *a, const void *b)
2118 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2119 return va < vb ? -1 : va > vb ? +1 : 0;
2122 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2123 AVCodecContext *avctx)
2126 int n = 1, i, size, index = 0;
2129 for (p = kf; *p; p++)
2133 pts = av_malloc(sizeof(*pts) * size);
2135 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2140 for (i = 0; i < n; i++) {
2141 char *next = strchr(p, ',');
2146 if (!memcmp(p, "chapters", 8)) {
2148 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2151 if (avf->nb_chapters > INT_MAX - size ||
2152 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2154 av_log(NULL, AV_LOG_FATAL,
2155 "Could not allocate forced key frames array.\n");
2158 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2159 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2161 for (j = 0; j < avf->nb_chapters; j++) {
2162 AVChapter *c = avf->chapters[j];
2163 av_assert1(index < size);
2164 pts[index++] = av_rescale_q(c->start, c->time_base,
2165 avctx->time_base) + t;
2170 t = parse_time_or_die("force_key_frames", p, 1);
2171 av_assert1(index < size);
2172 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2179 av_assert0(index == size);
2180 qsort(pts, size, sizeof(*pts), compare_int64);
2181 ost->forced_kf_count = size;
2182 ost->forced_kf_pts = pts;
2185 static void report_new_stream(int input_index, AVPacket *pkt)
2187 InputFile *file = input_files[input_index];
2188 AVStream *st = file->ctx->streams[pkt->stream_index];
2190 if (pkt->stream_index < file->nb_streams_warn)
2192 av_log(file->ctx, AV_LOG_WARNING,
2193 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2194 av_get_media_type_string(st->codec->codec_type),
2195 input_index, pkt->stream_index,
2196 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2197 file->nb_streams_warn = pkt->stream_index + 1;
2200 static int transcode_init(void)
2202 int ret = 0, i, j, k;
2203 AVFormatContext *oc;
2204 AVCodecContext *codec;
2210 for (i = 0; i < nb_filtergraphs; i++) {
2211 FilterGraph *fg = filtergraphs[i];
2212 for (j = 0; j < fg->nb_outputs; j++) {
2213 OutputFilter *ofilter = fg->outputs[j];
2214 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2216 if (fg->nb_inputs != 1)
2218 for (k = nb_input_streams-1; k >= 0 ; k--)
2219 if (fg->inputs[0]->ist == input_streams[k])
2221 ofilter->ost->source_index = k;
2225 /* init framerate emulation */
2226 for (i = 0; i < nb_input_files; i++) {
2227 InputFile *ifile = input_files[i];
2228 if (ifile->rate_emu)
2229 for (j = 0; j < ifile->nb_streams; j++)
2230 input_streams[j + ifile->ist_index]->start = av_gettime();
2233 /* output stream init */
2234 for (i = 0; i < nb_output_files; i++) {
2235 oc = output_files[i]->ctx;
2236 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2237 av_dump_format(oc, i, oc->filename, 1);
2238 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2239 return AVERROR(EINVAL);
2243 /* init complex filtergraphs */
2244 for (i = 0; i < nb_filtergraphs; i++)
2245 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2248 /* for each output stream, we compute the right encoding parameters */
2249 for (i = 0; i < nb_output_streams; i++) {
2250 AVCodecContext *icodec = NULL;
2251 ost = output_streams[i];
2252 oc = output_files[ost->file_index]->ctx;
2253 ist = get_input_stream(ost);
2255 if (ost->attachment_filename)
2258 codec = ost->st->codec;
2261 icodec = ist->st->codec;
2263 ost->st->disposition = ist->st->disposition;
2264 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2265 codec->chroma_sample_location = icodec->chroma_sample_location;
2267 for (j=0; j<oc->nb_streams; j++) {
2268 AVStream *st = oc->streams[j];
2269 if (st != ost->st && st->codec->codec_type == codec->codec_type)
2272 if (j == oc->nb_streams)
2273 if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
2274 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2277 if (ost->stream_copy) {
2279 uint64_t extra_size;
2281 av_assert0(ist && !ost->filter);
2283 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2285 if (extra_size > INT_MAX) {
2286 return AVERROR(EINVAL);
2289 /* if stream_copy is selected, no need to decode or encode */
2290 codec->codec_id = icodec->codec_id;
2291 codec->codec_type = icodec->codec_type;
2293 if (!codec->codec_tag) {
2294 unsigned int codec_tag;
2295 if (!oc->oformat->codec_tag ||
2296 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2297 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2298 codec->codec_tag = icodec->codec_tag;
2301 codec->bit_rate = icodec->bit_rate;
2302 codec->rc_max_rate = icodec->rc_max_rate;
2303 codec->rc_buffer_size = icodec->rc_buffer_size;
2304 codec->field_order = icodec->field_order;
2305 codec->extradata = av_mallocz(extra_size);
2306 if (!codec->extradata) {
2307 return AVERROR(ENOMEM);
2309 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2310 codec->extradata_size= icodec->extradata_size;
2311 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2313 codec->time_base = ist->st->time_base;
2315 * Avi is a special case here because it supports variable fps but
2316 * having the fps and timebase differe significantly adds quite some
2319 if(!strcmp(oc->oformat->name, "avi")) {
2320 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2321 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2322 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2323 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2325 codec->time_base.num = ist->st->r_frame_rate.den;
2326 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2327 codec->ticks_per_frame = 2;
2328 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2329 && av_q2d(ist->st->time_base) < 1.0/500
2331 codec->time_base = icodec->time_base;
2332 codec->time_base.num *= icodec->ticks_per_frame;
2333 codec->time_base.den *= 2;
2334 codec->ticks_per_frame = 2;
2336 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2337 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2338 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2339 && strcmp(oc->oformat->name, "f4v")
2341 if( copy_tb<0 && icodec->time_base.den
2342 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2343 && av_q2d(ist->st->time_base) < 1.0/500
2345 codec->time_base = icodec->time_base;
2346 codec->time_base.num *= icodec->ticks_per_frame;
2349 if ( codec->codec_tag == AV_RL32("tmcd")
2350 && icodec->time_base.num < icodec->time_base.den
2351 && icodec->time_base.num > 0
2352 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2353 codec->time_base = icodec->time_base;
2356 if (ist && !ost->frame_rate.num)
2357 ost->frame_rate = ist->framerate;
2358 if(ost->frame_rate.num)
2359 codec->time_base = av_inv_q(ost->frame_rate);
2361 av_reduce(&codec->time_base.num, &codec->time_base.den,
2362 codec->time_base.num, codec->time_base.den, INT_MAX);
2364 ost->parser = av_parser_init(codec->codec_id);
2366 switch (codec->codec_type) {
2367 case AVMEDIA_TYPE_AUDIO:
2368 if (audio_volume != 256) {
2369 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2372 codec->channel_layout = icodec->channel_layout;
2373 codec->sample_rate = icodec->sample_rate;
2374 codec->channels = icodec->channels;
2375 codec->frame_size = icodec->frame_size;
2376 codec->audio_service_type = icodec->audio_service_type;
2377 codec->block_align = icodec->block_align;
2378 codec->delay = icodec->delay;
2379 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2380 codec->block_align= 0;
2381 if(codec->codec_id == AV_CODEC_ID_AC3)
2382 codec->block_align= 0;
2384 case AVMEDIA_TYPE_VIDEO:
2385 codec->pix_fmt = icodec->pix_fmt;
2386 codec->width = icodec->width;
2387 codec->height = icodec->height;
2388 codec->has_b_frames = icodec->has_b_frames;
2389 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2391 av_mul_q(ost->frame_aspect_ratio,
2392 (AVRational){ codec->height, codec->width });
2393 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2394 "with stream copy may produce invalid files\n");
2396 else if (ist->st->sample_aspect_ratio.num)
2397 sar = ist->st->sample_aspect_ratio;
2399 sar = icodec->sample_aspect_ratio;
2400 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
2401 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2403 case AVMEDIA_TYPE_SUBTITLE:
2404 codec->width = icodec->width;
2405 codec->height = icodec->height;
2407 case AVMEDIA_TYPE_DATA:
2408 case AVMEDIA_TYPE_ATTACHMENT:
2415 ost->enc = avcodec_find_encoder(codec->codec_id);
2417 /* should only happen when a default codec is not present. */
2418 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2419 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2420 ret = AVERROR(EINVAL);
2425 ist->decoding_needed++;
2426 ost->encoding_needed = 1;
2429 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2430 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2432 fg = init_simple_filtergraph(ist, ost);
2433 if (configure_filtergraph(fg)) {
2434 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2439 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2440 if (ost->filter && !ost->frame_rate.num)
2441 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2442 if (ist && !ost->frame_rate.num)
2443 ost->frame_rate = ist->framerate;
2444 if (ist && !ost->frame_rate.num)
2445 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2446 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2447 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2448 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2449 ost->frame_rate = ost->enc->supported_framerates[idx];
2453 switch (codec->codec_type) {
2454 case AVMEDIA_TYPE_AUDIO:
2455 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2456 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2457 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2458 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2459 codec->time_base = (AVRational){ 1, codec->sample_rate };
2461 case AVMEDIA_TYPE_VIDEO:
2462 codec->time_base = av_inv_q(ost->frame_rate);
2463 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2464 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2465 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2466 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2467 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2468 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2470 for (j = 0; j < ost->forced_kf_count; j++)
2471 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2475 codec->width = ost->filter->filter->inputs[0]->w;
2476 codec->height = ost->filter->filter->inputs[0]->h;
2477 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2478 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2479 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2480 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2481 if (!strncmp(ost->enc->name, "libx264", 7) &&
2482 codec->pix_fmt == AV_PIX_FMT_NONE &&
2483 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2484 av_log(NULL, AV_LOG_WARNING,
2485 "No pixel format specified, %s for H.264 encoding chosen.\n"
2486 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2487 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2488 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2489 codec->pix_fmt == AV_PIX_FMT_NONE &&
2490 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2491 av_log(NULL, AV_LOG_WARNING,
2492 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2493 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2494 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2495 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2498 codec->width != icodec->width ||
2499 codec->height != icodec->height ||
2500 codec->pix_fmt != icodec->pix_fmt) {
2501 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2504 if (ost->forced_keyframes) {
2505 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2506 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2507 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2509 av_log(NULL, AV_LOG_ERROR,
2510 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2513 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2514 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2515 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2516 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2518 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2522 case AVMEDIA_TYPE_SUBTITLE:
2523 codec->time_base = (AVRational){1, 1000};
2524 if (!codec->width) {
2525 codec->width = input_streams[ost->source_index]->st->codec->width;
2526 codec->height = input_streams[ost->source_index]->st->codec->height;
2534 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2535 char logfilename[1024];
2538 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2539 ost->logfile_prefix ? ost->logfile_prefix :
2540 DEFAULT_PASS_LOGFILENAME_PREFIX,
2542 if (!strcmp(ost->enc->name, "libx264")) {
2543 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2545 if (codec->flags & CODEC_FLAG_PASS2) {
2547 size_t logbuffer_size;
2548 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2549 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2553 codec->stats_in = logbuffer;
2555 if (codec->flags & CODEC_FLAG_PASS1) {
2556 f = av_fopen_utf8(logfilename, "wb");
2558 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2559 logfilename, strerror(errno));
2569 /* open each encoder */
2570 for (i = 0; i < nb_output_streams; i++) {
2571 ost = output_streams[i];
2572 if (ost->encoding_needed) {
2573 AVCodec *codec = ost->enc;
2574 AVCodecContext *dec = NULL;
2576 if ((ist = get_input_stream(ost)))
2577 dec = ist->st->codec;
2578 if (dec && dec->subtitle_header) {
2579 /* ASS code assumes this buffer is null terminated so add extra byte. */
2580 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2581 if (!ost->st->codec->subtitle_header) {
2582 ret = AVERROR(ENOMEM);
2585 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2586 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2588 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2589 av_dict_set(&ost->opts, "threads", "auto", 0);
2590 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2591 if (ret == AVERROR_EXPERIMENTAL)
2592 abort_codec_experimental(codec, 1);
2593 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2594 ost->file_index, ost->index);
2597 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2598 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2599 av_buffersink_set_frame_size(ost->filter->filter,
2600 ost->st->codec->frame_size);
2601 assert_avoptions(ost->opts);
2602 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2603 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2604 " It takes bits/s as argument, not kbits/s\n");
2605 extra_size += ost->st->codec->extradata_size;
2607 av_opt_set_dict(ost->st->codec, &ost->opts);
2611 /* init input streams */
2612 for (i = 0; i < nb_input_streams; i++)
2613 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2614 for (i = 0; i < nb_output_streams; i++) {
2615 ost = output_streams[i];
2616 avcodec_close(ost->st->codec);
2621 /* discard unused programs */
2622 for (i = 0; i < nb_input_files; i++) {
2623 InputFile *ifile = input_files[i];
2624 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2625 AVProgram *p = ifile->ctx->programs[j];
2626 int discard = AVDISCARD_ALL;
2628 for (k = 0; k < p->nb_stream_indexes; k++)
2629 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2630 discard = AVDISCARD_DEFAULT;
2633 p->discard = discard;
2637 /* open files and write file headers */
2638 for (i = 0; i < nb_output_files; i++) {
2639 oc = output_files[i]->ctx;
2640 oc->interrupt_callback = int_cb;
2641 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2643 av_strerror(ret, errbuf, sizeof(errbuf));
2644 snprintf(error, sizeof(error),
2645 "Could not write header for output file #%d "
2646 "(incorrect codec parameters ?): %s",
2648 ret = AVERROR(EINVAL);
2651 // assert_avoptions(output_files[i]->opts);
2652 if (strcmp(oc->oformat->name, "rtp")) {
2658 /* dump the file output parameters - cannot be done before in case
2660 for (i = 0; i < nb_output_files; i++) {
2661 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2664 /* dump the stream mapping */
2665 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2666 for (i = 0; i < nb_input_streams; i++) {
2667 ist = input_streams[i];
2669 for (j = 0; j < ist->nb_filters; j++) {
2670 if (ist->filters[j]->graph->graph_desc) {
2671 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2672 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2673 ist->filters[j]->name);
2674 if (nb_filtergraphs > 1)
2675 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2676 av_log(NULL, AV_LOG_INFO, "\n");
2681 for (i = 0; i < nb_output_streams; i++) {
2682 ost = output_streams[i];
2684 if (ost->attachment_filename) {
2685 /* an attached file */
2686 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2687 ost->attachment_filename, ost->file_index, ost->index);
2691 if (ost->filter && ost->filter->graph->graph_desc) {
2692 /* output from a complex graph */
2693 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2694 if (nb_filtergraphs > 1)
2695 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2697 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2698 ost->index, ost->enc ? ost->enc->name : "?");
2702 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2703 input_streams[ost->source_index]->file_index,
2704 input_streams[ost->source_index]->st->index,
2707 if (ost->sync_ist != input_streams[ost->source_index])
2708 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2709 ost->sync_ist->file_index,
2710 ost->sync_ist->st->index);
2711 if (ost->stream_copy)
2712 av_log(NULL, AV_LOG_INFO, " (copy)");
2714 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2715 input_streams[ost->source_index]->dec->name : "?",
2716 ost->enc ? ost->enc->name : "?");
2717 av_log(NULL, AV_LOG_INFO, "\n");
2721 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2732 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2733 static int need_output(void)
2737 for (i = 0; i < nb_output_streams; i++) {
2738 OutputStream *ost = output_streams[i];
2739 OutputFile *of = output_files[ost->file_index];
2740 AVFormatContext *os = output_files[ost->file_index]->ctx;
2742 if (ost->finished ||
2743 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2745 if (ost->frame_number >= ost->max_frames) {
2747 for (j = 0; j < of->ctx->nb_streams; j++)
2748 close_output_stream(output_streams[of->ost_index + j]);
2759 * Select the output stream to process.
2761 * @return selected output stream, or NULL if none available
2763 static OutputStream *choose_output(void)
2766 int64_t opts_min = INT64_MAX;
2767 OutputStream *ost_min = NULL;
2769 for (i = 0; i < nb_output_streams; i++) {
2770 OutputStream *ost = output_streams[i];
2771 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2773 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2781 static int check_keyboard_interaction(int64_t cur_time)
2784 static int64_t last_time;
2785 if (received_nb_signals)
2786 return AVERROR_EXIT;
2787 /* read_key() returns 0 on EOF */
2788 if(cur_time - last_time >= 100000 && !run_as_daemon){
2790 last_time = cur_time;
2794 return AVERROR_EXIT;
2795 if (key == '+') av_log_set_level(av_log_get_level()+10);
2796 if (key == '-') av_log_set_level(av_log_get_level()-10);
2797 if (key == 's') qp_hist ^= 1;
2800 do_hex_dump = do_pkt_dump = 0;
2801 } else if(do_pkt_dump){
2805 av_log_set_level(AV_LOG_DEBUG);
2807 if (key == 'c' || key == 'C'){
2808 char buf[4096], target[64], command[256], arg[256] = {0};
2811 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2813 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2818 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2819 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2820 target, time, command, arg);
2821 for (i = 0; i < nb_filtergraphs; i++) {
2822 FilterGraph *fg = filtergraphs[i];
2825 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2826 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2827 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
2828 } else if (key == 'c') {
2829 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
2830 ret = AVERROR_PATCHWELCOME;
2832 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2837 av_log(NULL, AV_LOG_ERROR,
2838 "Parse error, at least 3 arguments were expected, "
2839 "only %d given in string '%s'\n", n, buf);
2842 if (key == 'd' || key == 'D'){
2845 debug = input_streams[0]->st->codec->debug<<1;
2846 if(!debug) debug = 1;
2847 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2850 if(scanf("%d", &debug)!=1)
2851 fprintf(stderr,"error parsing debug value\n");
2852 for(i=0;i<nb_input_streams;i++) {
2853 input_streams[i]->st->codec->debug = debug;
2855 for(i=0;i<nb_output_streams;i++) {
2856 OutputStream *ost = output_streams[i];
2857 ost->st->codec->debug = debug;
2859 if(debug) av_log_set_level(AV_LOG_DEBUG);
2860 fprintf(stderr,"debug=%d\n", debug);
2863 fprintf(stderr, "key function\n"
2864 "? show this help\n"
2865 "+ increase verbosity\n"
2866 "- decrease verbosity\n"
2867 "c Send command to first matching filter supporting it\n"
2868 "C Send/Que command to all matching filters\n"
2869 "D cycle through available debug modes\n"
2870 "h dump packets/hex press to cycle through the 3 states\n"
2872 "s Show QP histogram\n"
2879 static void *input_thread(void *arg)
2884 while (!transcoding_finished && ret >= 0) {
2886 ret = av_read_frame(f->ctx, &pkt);
2888 if (ret == AVERROR(EAGAIN)) {
2895 pthread_mutex_lock(&f->fifo_lock);
2896 while (!av_fifo_space(f->fifo))
2897 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2899 av_dup_packet(&pkt);
2900 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2902 pthread_mutex_unlock(&f->fifo_lock);
2909 static void free_input_threads(void)
2913 if (nb_input_files == 1)
2916 transcoding_finished = 1;
2918 for (i = 0; i < nb_input_files; i++) {
2919 InputFile *f = input_files[i];
2922 if (!f->fifo || f->joined)
2925 pthread_mutex_lock(&f->fifo_lock);
2926 while (av_fifo_size(f->fifo)) {
2927 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2928 av_free_packet(&pkt);
2930 pthread_cond_signal(&f->fifo_cond);
2931 pthread_mutex_unlock(&f->fifo_lock);
2933 pthread_join(f->thread, NULL);
2936 while (av_fifo_size(f->fifo)) {
2937 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2938 av_free_packet(&pkt);
2940 av_fifo_free(f->fifo);
2944 static int init_input_threads(void)
2948 if (nb_input_files == 1)
2951 for (i = 0; i < nb_input_files; i++) {
2952 InputFile *f = input_files[i];
2954 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2955 return AVERROR(ENOMEM);
2957 pthread_mutex_init(&f->fifo_lock, NULL);
2958 pthread_cond_init (&f->fifo_cond, NULL);
2960 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2961 return AVERROR(ret);
2966 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2970 pthread_mutex_lock(&f->fifo_lock);
2972 if (av_fifo_size(f->fifo)) {
2973 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2974 pthread_cond_signal(&f->fifo_cond);
2979 ret = AVERROR(EAGAIN);
2982 pthread_mutex_unlock(&f->fifo_lock);
2988 static int get_input_packet(InputFile *f, AVPacket *pkt)
2992 for (i = 0; i < f->nb_streams; i++) {
2993 InputStream *ist = input_streams[f->ist_index + i];
2994 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2995 int64_t now = av_gettime() - ist->start;
2997 return AVERROR(EAGAIN);
3002 if (nb_input_files > 1)
3003 return get_input_packet_mt(f, pkt);
3005 return av_read_frame(f->ctx, pkt);
3008 static int got_eagain(void)
3011 for (i = 0; i < nb_output_streams; i++)
3012 if (output_streams[i]->unavailable)
3017 static void reset_eagain(void)
3020 for (i = 0; i < nb_input_files; i++)
3021 input_files[i]->eagain = 0;
3022 for (i = 0; i < nb_output_streams; i++)
3023 output_streams[i]->unavailable = 0;
3028 * - 0 -- one packet was read and processed
3029 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3030 * this function should be called again
3031 * - AVERROR_EOF -- this function should not be called again
3033 static int process_input(int file_index)
3035 InputFile *ifile = input_files[file_index];
3036 AVFormatContext *is;
3042 ret = get_input_packet(ifile, &pkt);
3044 if (ret == AVERROR(EAGAIN)) {
3049 if (ret != AVERROR_EOF) {
3050 print_error(is->filename, ret);
3054 ifile->eof_reached = 1;
3056 for (i = 0; i < ifile->nb_streams; i++) {
3057 ist = input_streams[ifile->ist_index + i];
3058 if (ist->decoding_needed)
3059 output_packet(ist, NULL);
3061 /* mark all outputs that don't go through lavfi as finished */
3062 for (j = 0; j < nb_output_streams; j++) {
3063 OutputStream *ost = output_streams[j];
3065 if (ost->source_index == ifile->ist_index + i &&
3066 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3067 close_output_stream(ost);
3071 return AVERROR(EAGAIN);
3077 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3078 is->streams[pkt.stream_index]);
3080 /* the following test is needed in case new streams appear
3081 dynamically in stream : we ignore them */
3082 if (pkt.stream_index >= ifile->nb_streams) {
3083 report_new_stream(file_index, &pkt);
3084 goto discard_packet;
3087 ist = input_streams[ifile->ist_index + pkt.stream_index];
3089 goto discard_packet;
3092 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3093 "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",
3094 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3095 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3096 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3097 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3098 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3099 av_ts2str(input_files[ist->file_index]->ts_offset),
3100 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3103 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3104 int64_t stime, stime2;
3105 // Correcting starttime based on the enabled streams
3106 // 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.
3107 // so we instead do it here as part of discontinuity handling
3108 if ( ist->next_dts == AV_NOPTS_VALUE
3109 && ifile->ts_offset == -is->start_time
3110 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3111 int64_t new_start_time = INT64_MAX;
3112 for (i=0; i<is->nb_streams; i++) {
3113 AVStream *st = is->streams[i];
3114 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3116 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3118 if (new_start_time > is->start_time) {
3119 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3120 ifile->ts_offset = -new_start_time;
3124 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3125 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3126 ist->wrap_correction_done = 1;
3128 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3129 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3130 ist->wrap_correction_done = 0;
3132 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3133 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3134 ist->wrap_correction_done = 0;
3138 if (pkt.dts != AV_NOPTS_VALUE)
3139 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3140 if (pkt.pts != AV_NOPTS_VALUE)
3141 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3143 if (pkt.pts != AV_NOPTS_VALUE)
3144 pkt.pts *= ist->ts_scale;
3145 if (pkt.dts != AV_NOPTS_VALUE)
3146 pkt.dts *= ist->ts_scale;
3148 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3149 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3150 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3151 int64_t delta = pkt_dts - ifile->last_ts;
3152 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3153 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3154 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3155 ifile->ts_offset -= delta;
3156 av_log(NULL, AV_LOG_DEBUG,
3157 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3158 delta, ifile->ts_offset);
3159 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3160 if (pkt.pts != AV_NOPTS_VALUE)
3161 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3165 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3167 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3168 int64_t delta = pkt_dts - ist->next_dts;
3169 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3170 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3171 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3172 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3173 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)){
3174 ifile->ts_offset -= delta;
3175 av_log(NULL, AV_LOG_DEBUG,
3176 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3177 delta, ifile->ts_offset);
3178 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3179 if (pkt.pts != AV_NOPTS_VALUE)
3180 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3183 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3184 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3186 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3187 pkt.dts = AV_NOPTS_VALUE;
3189 if (pkt.pts != AV_NOPTS_VALUE){
3190 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3191 delta = pkt_pts - ist->next_dts;
3192 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3193 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3195 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3196 pkt.pts = AV_NOPTS_VALUE;
3202 if (pkt.dts != AV_NOPTS_VALUE)
3203 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3206 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",
3207 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3208 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3209 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3210 av_ts2str(input_files[ist->file_index]->ts_offset),
3211 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3214 sub2video_heartbeat(ist, pkt.pts);
3216 ret = output_packet(ist, &pkt);
3219 av_strerror(ret, buf, sizeof(buf));
3220 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3221 ist->file_index, ist->st->index, buf);
3227 av_free_packet(&pkt);
3233 * Perform a step of transcoding for the specified filter graph.
3235 * @param[in] graph filter graph to consider
3236 * @param[out] best_ist input stream where a frame would allow to continue
3237 * @return 0 for success, <0 for error
3239 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3242 int nb_requests, nb_requests_max = 0;
3243 InputFilter *ifilter;
3247 ret = avfilter_graph_request_oldest(graph->graph);
3249 return reap_filters();
3251 if (ret == AVERROR_EOF) {
3252 ret = reap_filters();
3253 for (i = 0; i < graph->nb_outputs; i++)
3254 close_output_stream(graph->outputs[i]->ost);
3257 if (ret != AVERROR(EAGAIN))
3260 for (i = 0; i < graph->nb_inputs; i++) {
3261 ifilter = graph->inputs[i];
3263 if (input_files[ist->file_index]->eagain ||
3264 input_files[ist->file_index]->eof_reached)
3266 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3267 if (nb_requests > nb_requests_max) {
3268 nb_requests_max = nb_requests;
3274 for (i = 0; i < graph->nb_outputs; i++)
3275 graph->outputs[i]->ost->unavailable = 1;
3281 * Run a single step of transcoding.
3283 * @return 0 for success, <0 for error
3285 static int transcode_step(void)
3291 ost = choose_output();
3298 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3303 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3308 av_assert0(ost->source_index >= 0);
3309 ist = input_streams[ost->source_index];
3312 ret = process_input(ist->file_index);
3313 if (ret == AVERROR(EAGAIN)) {
3314 if (input_files[ist->file_index]->eagain)
3315 ost->unavailable = 1;
3319 return ret == AVERROR_EOF ? 0 : ret;
3321 return reap_filters();
3325 * The following code is the main loop of the file converter
3327 static int transcode(void)
3330 AVFormatContext *os;
3333 int64_t timer_start;
3335 ret = transcode_init();
3339 if (stdin_interaction) {
3340 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3343 timer_start = av_gettime();
3346 if ((ret = init_input_threads()) < 0)
3350 while (!received_sigterm) {
3351 int64_t cur_time= av_gettime();
3353 /* if 'q' pressed, exits */
3354 if (stdin_interaction)
3355 if (check_keyboard_interaction(cur_time) < 0)
3358 /* check if there's any stream where output is still needed */
3359 if (!need_output()) {
3360 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3364 ret = transcode_step();
3366 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3369 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3373 /* dump report by using the output first video and audio streams */
3374 print_report(0, timer_start, cur_time);
3377 free_input_threads();
3380 /* at the end of stream, we must flush the decoder buffers */
3381 for (i = 0; i < nb_input_streams; i++) {
3382 ist = input_streams[i];
3383 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3384 output_packet(ist, NULL);
3391 /* write the trailer if needed and close file */
3392 for (i = 0; i < nb_output_files; i++) {
3393 os = output_files[i]->ctx;
3394 av_write_trailer(os);
3397 /* dump report by using the first video and audio streams */
3398 print_report(1, timer_start, av_gettime());
3400 /* close each encoder */
3401 for (i = 0; i < nb_output_streams; i++) {
3402 ost = output_streams[i];
3403 if (ost->encoding_needed) {
3404 av_freep(&ost->st->codec->stats_in);
3405 avcodec_close(ost->st->codec);
3409 /* close each decoder */
3410 for (i = 0; i < nb_input_streams; i++) {
3411 ist = input_streams[i];
3412 if (ist->decoding_needed) {
3413 avcodec_close(ist->st->codec);
3414 if (ist->hwaccel_uninit)
3415 ist->hwaccel_uninit(ist->st->codec);
3424 free_input_threads();
3427 if (output_streams) {
3428 for (i = 0; i < nb_output_streams; i++) {
3429 ost = output_streams[i];
3431 if (ost->stream_copy)
3432 av_freep(&ost->st->codec->extradata);
3434 fclose(ost->logfile);
3435 ost->logfile = NULL;
3437 av_freep(&ost->st->codec->subtitle_header);
3438 av_freep(&ost->forced_kf_pts);
3439 av_freep(&ost->apad);
3440 av_dict_free(&ost->opts);
3441 av_dict_free(&ost->swr_opts);
3442 av_dict_free(&ost->resample_opts);
3450 static int64_t getutime(void)
3453 struct rusage rusage;
3455 getrusage(RUSAGE_SELF, &rusage);
3456 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3457 #elif HAVE_GETPROCESSTIMES
3459 FILETIME c, e, k, u;
3460 proc = GetCurrentProcess();
3461 GetProcessTimes(proc, &c, &e, &k, &u);
3462 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3464 return av_gettime();
3468 static int64_t getmaxrss(void)
3470 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3471 struct rusage rusage;
3472 getrusage(RUSAGE_SELF, &rusage);
3473 return (int64_t)rusage.ru_maxrss * 1024;
3474 #elif HAVE_GETPROCESSMEMORYINFO
3476 PROCESS_MEMORY_COUNTERS memcounters;
3477 proc = GetCurrentProcess();
3478 memcounters.cb = sizeof(memcounters);
3479 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3480 return memcounters.PeakPagefileUsage;
3486 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3490 int main(int argc, char **argv)
3495 register_exit(ffmpeg_cleanup);
3497 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3499 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3500 parse_loglevel(argc, argv, options);
3502 if(argc>1 && !strcmp(argv[1], "-d")){
3504 av_log_set_callback(log_callback_null);
3509 avcodec_register_all();
3511 avdevice_register_all();
3513 avfilter_register_all();
3515 avformat_network_init();
3517 show_banner(argc, argv, options);
3521 /* parse options and open all input/output files */
3522 ret = ffmpeg_parse_options(argc, argv);
3526 if (nb_output_files <= 0 && nb_input_files == 0) {
3528 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3532 /* file converter / grab */
3533 if (nb_output_files <= 0) {
3534 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3538 // if (nb_input_files == 0) {
3539 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3543 current_time = ti = getutime();
3544 if (transcode() < 0)
3546 ti = getutime() - ti;
3548 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3550 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3551 decode_error_stat[0], decode_error_stat[1]);
3552 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3555 exit_program(received_nb_signals ? 255 : 0);