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 data_size = 0;
129 static int64_t subtitle_size = 0;
130 static int64_t extra_size = 0;
131 static int nb_frames_dup = 0;
132 static int nb_frames_drop = 0;
133 static int64_t decode_error_stat[2];
135 static int current_time;
136 AVIOContext *progress_avio = NULL;
138 static uint8_t *subtitle_out;
141 /* signal to input threads that they should exit; set by the main thread */
142 static int transcoding_finished;
145 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
147 InputStream **input_streams = NULL;
148 int nb_input_streams = 0;
149 InputFile **input_files = NULL;
150 int nb_input_files = 0;
152 OutputStream **output_streams = NULL;
153 int nb_output_streams = 0;
154 OutputFile **output_files = NULL;
155 int nb_output_files = 0;
157 FilterGraph **filtergraphs;
162 /* init terminal so that we can grab keys */
163 static struct termios oldtty;
164 static int restore_tty;
167 static void free_input_threads(void);
171 Convert subtitles to video with alpha to insert them in filter graphs.
172 This is a temporary solution until libavfilter gets real subtitles support.
175 static int sub2video_get_blank_frame(InputStream *ist)
178 AVFrame *frame = ist->sub2video.frame;
180 av_frame_unref(frame);
181 ist->sub2video.frame->width = ist->sub2video.w;
182 ist->sub2video.frame->height = ist->sub2video.h;
183 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
184 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
186 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
190 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
193 uint32_t *pal, *dst2;
197 if (r->type != SUBTITLE_BITMAP) {
198 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
201 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
202 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
206 dst += r->y * dst_linesize + r->x * 4;
207 src = r->pict.data[0];
208 pal = (uint32_t *)r->pict.data[1];
209 for (y = 0; y < r->h; y++) {
210 dst2 = (uint32_t *)dst;
212 for (x = 0; x < r->w; x++)
213 *(dst2++) = pal[*(src2++)];
215 src += r->pict.linesize[0];
219 static void sub2video_push_ref(InputStream *ist, int64_t pts)
221 AVFrame *frame = ist->sub2video.frame;
224 av_assert1(frame->data[0]);
225 ist->sub2video.last_pts = frame->pts = pts;
226 for (i = 0; i < ist->nb_filters; i++)
227 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
228 AV_BUFFERSRC_FLAG_KEEP_REF |
229 AV_BUFFERSRC_FLAG_PUSH);
232 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
234 int w = ist->sub2video.w, h = ist->sub2video.h;
235 AVFrame *frame = ist->sub2video.frame;
239 int64_t pts, end_pts;
244 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
245 AV_TIME_BASE_Q, ist->st->time_base);
246 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
247 AV_TIME_BASE_Q, ist->st->time_base);
248 num_rects = sub->num_rects;
250 pts = ist->sub2video.end_pts;
254 if (sub2video_get_blank_frame(ist) < 0) {
255 av_log(ist->st->codec, AV_LOG_ERROR,
256 "Impossible to get a blank canvas.\n");
259 dst = frame->data [0];
260 dst_linesize = frame->linesize[0];
261 for (i = 0; i < num_rects; i++)
262 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
263 sub2video_push_ref(ist, pts);
264 ist->sub2video.end_pts = end_pts;
267 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
269 InputFile *infile = input_files[ist->file_index];
273 /* When a frame is read from a file, examine all sub2video streams in
274 the same file and send the sub2video frame again. Otherwise, decoded
275 video frames could be accumulating in the filter graph while a filter
276 (possibly overlay) is desperately waiting for a subtitle frame. */
277 for (i = 0; i < infile->nb_streams; i++) {
278 InputStream *ist2 = input_streams[infile->ist_index + i];
279 if (!ist2->sub2video.frame)
281 /* subtitles seem to be usually muxed ahead of other streams;
282 if not, substracting a larger time here is necessary */
283 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
284 /* do not send the heartbeat frame if the subtitle is already ahead */
285 if (pts2 <= ist2->sub2video.last_pts)
287 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
288 sub2video_update(ist2, NULL);
289 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
290 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
292 sub2video_push_ref(ist2, pts2);
296 static void sub2video_flush(InputStream *ist)
300 for (i = 0; i < ist->nb_filters; i++)
301 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
304 /* end of sub2video hack */
308 av_log(NULL, AV_LOG_QUIET, "%s", "");
311 tcsetattr (0, TCSANOW, &oldtty);
315 static volatile int received_sigterm = 0;
316 static volatile int received_nb_signals = 0;
317 static int main_return_code = 0;
320 sigterm_handler(int sig)
322 received_sigterm = sig;
323 received_nb_signals++;
325 if(received_nb_signals > 3)
336 istty = isatty(0) && isatty(2);
338 if (istty && tcgetattr (0, &tty) == 0) {
342 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
343 |INLCR|IGNCR|ICRNL|IXON);
344 tty.c_oflag |= OPOST;
345 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
346 tty.c_cflag &= ~(CSIZE|PARENB);
351 tcsetattr (0, TCSANOW, &tty);
353 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
356 avformat_network_deinit();
358 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
359 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
361 signal(SIGXCPU, sigterm_handler);
365 /* read a key without blocking */
366 static int read_key(void)
378 n = select(1, &rfds, NULL, NULL, &tv);
387 # if HAVE_PEEKNAMEDPIPE
389 static HANDLE input_handle;
392 input_handle = GetStdHandle(STD_INPUT_HANDLE);
393 is_pipe = !GetConsoleMode(input_handle, &dw);
396 if (stdin->_cnt > 0) {
401 /* When running under a GUI, you will end here. */
402 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
403 // input pipe may have been closed by the program that ran ffmpeg
421 static int decode_interrupt_cb(void *ctx)
423 return received_nb_signals > 1;
426 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
428 static void ffmpeg_cleanup(int ret)
433 int maxrss = getmaxrss() / 1024;
434 printf("bench: maxrss=%ikB\n", maxrss);
437 for (i = 0; i < nb_filtergraphs; i++) {
438 avfilter_graph_free(&filtergraphs[i]->graph);
439 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
440 av_freep(&filtergraphs[i]->inputs[j]->name);
441 av_freep(&filtergraphs[i]->inputs[j]);
443 av_freep(&filtergraphs[i]->inputs);
444 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
445 av_freep(&filtergraphs[i]->outputs[j]->name);
446 av_freep(&filtergraphs[i]->outputs[j]);
448 av_freep(&filtergraphs[i]->outputs);
449 av_freep(&filtergraphs[i]->graph_desc);
450 av_freep(&filtergraphs[i]);
452 av_freep(&filtergraphs);
454 av_freep(&subtitle_out);
457 for (i = 0; i < nb_output_files; i++) {
458 AVFormatContext *s = output_files[i]->ctx;
459 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
461 avformat_free_context(s);
462 av_dict_free(&output_files[i]->opts);
463 av_freep(&output_files[i]);
465 for (i = 0; i < nb_output_streams; i++) {
466 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
468 AVBitStreamFilterContext *next = bsfc->next;
469 av_bitstream_filter_close(bsfc);
472 output_streams[i]->bitstream_filters = NULL;
473 av_frame_free(&output_streams[i]->filtered_frame);
475 av_parser_close(output_streams[i]->parser);
477 av_freep(&output_streams[i]->forced_keyframes);
478 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
479 av_freep(&output_streams[i]->avfilter);
480 av_freep(&output_streams[i]->logfile_prefix);
481 av_freep(&output_streams[i]);
484 free_input_threads();
486 for (i = 0; i < nb_input_files; i++) {
487 avformat_close_input(&input_files[i]->ctx);
488 av_freep(&input_files[i]);
490 for (i = 0; i < nb_input_streams; i++) {
491 av_frame_free(&input_streams[i]->decoded_frame);
492 av_frame_free(&input_streams[i]->filter_frame);
493 av_dict_free(&input_streams[i]->opts);
494 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
495 av_frame_free(&input_streams[i]->sub2video.frame);
496 av_freep(&input_streams[i]->filters);
497 av_freep(&input_streams[i]->hwaccel_device);
498 av_freep(&input_streams[i]);
503 av_free(vstats_filename);
505 av_freep(&input_streams);
506 av_freep(&input_files);
507 av_freep(&output_streams);
508 av_freep(&output_files);
512 avformat_network_deinit();
514 if (received_sigterm) {
515 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
516 (int) received_sigterm);
521 void assert_avoptions(AVDictionary *m)
523 AVDictionaryEntry *t;
524 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
525 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
530 static void abort_codec_experimental(AVCodec *c, int encoder)
535 static void update_benchmark(const char *fmt, ...)
537 if (do_benchmark_all) {
538 int64_t t = getutime();
544 vsnprintf(buf, sizeof(buf), fmt, va);
546 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
552 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
555 for (i = 0; i < nb_output_streams; i++) {
556 OutputStream *ost2 = output_streams[i];
557 ost2->finished |= ost == ost2 ? this_stream : others;
561 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
563 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
564 AVCodecContext *avctx = ost->st->codec;
567 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
568 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
569 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
572 * Audio encoders may split the packets -- #frames in != #packets out.
573 * But there is no reordering, so we can limit the number of output packets
574 * by simply dropping them here.
575 * Counting encoded video frames needs to be done separately because of
576 * reordering, see do_video_out()
578 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
579 if (ost->frame_number >= ost->max_frames) {
587 AVPacket new_pkt = *pkt;
588 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
589 &new_pkt.data, &new_pkt.size,
590 pkt->data, pkt->size,
591 pkt->flags & AV_PKT_FLAG_KEY);
592 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
593 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
595 memcpy(t, new_pkt.data, new_pkt.size);
596 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
605 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
606 av_buffer_default_free, NULL, 0);
610 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
611 bsfc->filter->name, pkt->stream_index,
612 avctx->codec ? avctx->codec->name : "copy");
622 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
623 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
624 pkt->dts != AV_NOPTS_VALUE &&
625 ost->last_mux_dts != AV_NOPTS_VALUE) {
626 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
627 if (pkt->dts < max) {
628 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
629 av_log(s, loglevel, "Non-monotonous DTS in output stream "
630 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
631 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
633 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
636 av_log(s, loglevel, "changing to %"PRId64". This may result "
637 "in incorrect timestamps in the output file.\n",
639 if(pkt->pts >= pkt->dts)
640 pkt->pts = FFMAX(pkt->pts, max);
644 ost->last_mux_dts = pkt->dts;
646 pkt->stream_index = ost->index;
649 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
650 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
651 av_get_media_type_string(ost->st->codec->codec_type),
652 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
653 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
658 ret = av_interleaved_write_frame(s, pkt);
660 print_error("av_interleaved_write_frame()", ret);
661 main_return_code = 1;
662 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
666 static void close_output_stream(OutputStream *ost)
668 OutputFile *of = output_files[ost->file_index];
670 ost->finished |= ENCODER_FINISHED;
672 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
673 of->recording_time = FFMIN(of->recording_time, end);
677 static int check_recording_time(OutputStream *ost)
679 OutputFile *of = output_files[ost->file_index];
681 if (of->recording_time != INT64_MAX &&
682 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
683 AV_TIME_BASE_Q) >= 0) {
684 close_output_stream(ost);
690 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
693 AVCodecContext *enc = ost->st->codec;
697 av_init_packet(&pkt);
701 if (!check_recording_time(ost))
704 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
705 frame->pts = ost->sync_opts;
706 ost->sync_opts = frame->pts + frame->nb_samples;
708 av_assert0(pkt.size || !pkt.data);
709 update_benchmark(NULL);
711 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
712 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
713 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
714 enc->time_base.num, enc->time_base.den);
716 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
717 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
720 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
723 if (pkt.pts != AV_NOPTS_VALUE)
724 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
725 if (pkt.dts != AV_NOPTS_VALUE)
726 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
727 if (pkt.duration > 0)
728 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
731 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
732 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
733 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
734 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
737 audio_size += pkt.size;
738 write_frame(s, &pkt, ost);
740 av_free_packet(&pkt);
744 static void do_subtitle_out(AVFormatContext *s,
749 int subtitle_out_max_size = 1024 * 1024;
750 int subtitle_out_size, nb, i;
755 if (sub->pts == AV_NOPTS_VALUE) {
756 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
762 enc = ost->st->codec;
765 subtitle_out = av_malloc(subtitle_out_max_size);
768 /* Note: DVB subtitle need one packet to draw them and one other
769 packet to clear them */
770 /* XXX: signal it in the codec context ? */
771 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
776 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
778 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
779 pts -= output_files[ost->file_index]->start_time;
780 for (i = 0; i < nb; i++) {
781 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
782 if (!check_recording_time(ost))
786 // start_display_time is required to be 0
787 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
788 sub->end_display_time -= sub->start_display_time;
789 sub->start_display_time = 0;
792 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
793 subtitle_out_max_size, sub);
794 if (subtitle_out_size < 0) {
795 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
799 av_init_packet(&pkt);
800 pkt.data = subtitle_out;
801 pkt.size = subtitle_out_size;
802 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
803 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
804 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
805 /* XXX: the pts correction is handled here. Maybe handling
806 it in the codec would be better */
808 pkt.pts += 90 * sub->start_display_time;
810 pkt.pts += 90 * sub->end_display_time;
812 subtitle_size += pkt.size;
813 write_frame(s, &pkt, ost);
817 static void do_video_out(AVFormatContext *s,
821 int ret, format_video_sync;
823 AVCodecContext *enc = ost->st->codec;
825 double sync_ipts, delta;
828 InputStream *ist = NULL;
830 if (ost->source_index >= 0)
831 ist = input_streams[ost->source_index];
833 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
834 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
836 sync_ipts = in_picture->pts;
837 delta = sync_ipts - ost->sync_opts + duration;
839 /* by default, we output a single frame */
842 format_video_sync = video_sync_method;
843 if (format_video_sync == VSYNC_AUTO) {
844 if(!strcmp(s->oformat->name, "avi")) {
845 format_video_sync = VSYNC_VFR;
847 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
849 && format_video_sync == VSYNC_CFR
850 && input_files[ist->file_index]->ctx->nb_streams == 1
851 && input_files[ist->file_index]->input_ts_offset == 0) {
852 format_video_sync = VSYNC_VSCFR;
854 if (format_video_sync == VSYNC_CFR && copy_ts) {
855 format_video_sync = VSYNC_VSCFR;
859 switch (format_video_sync) {
861 if (ost->frame_number == 0 && delta - duration >= 0.5) {
862 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
864 ost->sync_opts = lrint(sync_ipts);
867 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
870 else if (delta > 1.1)
871 nb_frames = lrintf(delta);
876 else if (delta > 0.6)
877 ost->sync_opts = lrint(sync_ipts);
880 case VSYNC_PASSTHROUGH:
881 ost->sync_opts = lrint(sync_ipts);
887 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
888 if (nb_frames == 0) {
890 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
892 } else if (nb_frames > 1) {
893 if (nb_frames > dts_error_threshold * 30) {
894 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
898 nb_frames_dup += nb_frames - 1;
899 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
902 /* duplicates frame if needed */
903 for (i = 0; i < nb_frames; i++) {
904 av_init_packet(&pkt);
908 in_picture->pts = ost->sync_opts;
911 if (!check_recording_time(ost))
913 if (ost->frame_number >= ost->max_frames)
917 if (s->oformat->flags & AVFMT_RAWPICTURE &&
918 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
919 /* raw pictures are written as AVPicture structure to
920 avoid any copies. We support temporarily the older
922 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
923 enc->coded_frame->top_field_first = in_picture->top_field_first;
924 if (enc->coded_frame->interlaced_frame)
925 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
927 enc->field_order = AV_FIELD_PROGRESSIVE;
928 pkt.data = (uint8_t *)in_picture;
929 pkt.size = sizeof(AVPicture);
930 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
931 pkt.flags |= AV_PKT_FLAG_KEY;
933 video_size += pkt.size;
934 write_frame(s, &pkt, ost);
936 int got_packet, forced_keyframe = 0;
939 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
940 ost->top_field_first >= 0)
941 in_picture->top_field_first = !!ost->top_field_first;
943 if (in_picture->interlaced_frame) {
944 if (enc->codec->id == AV_CODEC_ID_MJPEG)
945 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
947 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
949 enc->field_order = AV_FIELD_PROGRESSIVE;
951 in_picture->quality = ost->st->codec->global_quality;
952 if (!enc->me_threshold)
953 in_picture->pict_type = 0;
955 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
956 in_picture->pts * av_q2d(enc->time_base) : NAN;
957 if (ost->forced_kf_index < ost->forced_kf_count &&
958 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
959 ost->forced_kf_index++;
961 } else if (ost->forced_keyframes_pexpr) {
963 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
964 res = av_expr_eval(ost->forced_keyframes_pexpr,
965 ost->forced_keyframes_expr_const_values, NULL);
966 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
967 ost->forced_keyframes_expr_const_values[FKF_N],
968 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
969 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
970 ost->forced_keyframes_expr_const_values[FKF_T],
971 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
975 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
976 ost->forced_keyframes_expr_const_values[FKF_N];
977 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
978 ost->forced_keyframes_expr_const_values[FKF_T];
979 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
982 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
984 if (forced_keyframe) {
985 in_picture->pict_type = AV_PICTURE_TYPE_I;
986 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
989 update_benchmark(NULL);
991 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
992 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
993 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
994 enc->time_base.num, enc->time_base.den);
997 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
998 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1000 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1006 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1007 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1008 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1009 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1012 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1013 pkt.pts = ost->sync_opts;
1015 if (pkt.pts != AV_NOPTS_VALUE)
1016 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1017 if (pkt.dts != AV_NOPTS_VALUE)
1018 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1021 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1022 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1023 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1024 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1027 frame_size = pkt.size;
1028 video_size += pkt.size;
1029 write_frame(s, &pkt, ost);
1030 av_free_packet(&pkt);
1032 /* if two pass, output log */
1033 if (ost->logfile && enc->stats_out) {
1034 fprintf(ost->logfile, "%s", enc->stats_out);
1040 * For video, number of frames in == number of packets out.
1041 * But there may be reordering, so we can't throw away frames on encoder
1042 * flush, we need to limit them here, before they go into encoder.
1044 ost->frame_number++;
1046 if (vstats_filename && frame_size)
1047 do_video_stats(ost, frame_size);
1051 static double psnr(double d)
1053 return -10.0 * log(d) / log(10.0);
1056 static void do_video_stats(OutputStream *ost, int frame_size)
1058 AVCodecContext *enc;
1060 double ti1, bitrate, avg_bitrate;
1062 /* this is executed just the first time do_video_stats is called */
1064 vstats_file = fopen(vstats_filename, "w");
1071 enc = ost->st->codec;
1072 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1073 frame_number = ost->st->nb_frames;
1074 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1075 if (enc->flags&CODEC_FLAG_PSNR)
1076 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1078 fprintf(vstats_file,"f_size= %6d ", frame_size);
1079 /* compute pts value */
1080 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1084 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1085 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1086 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1087 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1088 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1093 * Get and encode new output from any of the filtergraphs, without causing
1096 * @return 0 for success, <0 for severe errors
1098 static int reap_filters(void)
1100 AVFrame *filtered_frame = NULL;
1104 /* Reap all buffers present in the buffer sinks */
1105 for (i = 0; i < nb_output_streams; i++) {
1106 OutputStream *ost = output_streams[i];
1107 OutputFile *of = output_files[ost->file_index];
1108 AVFilterContext *filter;
1109 AVCodecContext *enc = ost->st->codec;
1114 filter = ost->filter->filter;
1116 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1117 return AVERROR(ENOMEM);
1119 filtered_frame = ost->filtered_frame;
1122 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1123 AV_BUFFERSINK_FLAG_NO_REQUEST);
1125 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1126 av_log(NULL, AV_LOG_WARNING,
1127 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1131 if (ost->finished) {
1132 av_frame_unref(filtered_frame);
1135 frame_pts = AV_NOPTS_VALUE;
1136 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1137 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1138 filtered_frame->pts = frame_pts =
1139 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1140 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1142 //if (ost->source_index >= 0)
1143 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1145 switch (filter->inputs[0]->type) {
1146 case AVMEDIA_TYPE_VIDEO:
1147 filtered_frame->pts = frame_pts;
1148 if (!ost->frame_aspect_ratio.num)
1149 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1152 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1153 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1154 enc->time_base.num, enc->time_base.den);
1157 do_video_out(of->ctx, ost, filtered_frame);
1159 case AVMEDIA_TYPE_AUDIO:
1160 filtered_frame->pts = frame_pts;
1161 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1162 enc->channels != av_frame_get_channels(filtered_frame)) {
1163 av_log(NULL, AV_LOG_ERROR,
1164 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1167 do_audio_out(of->ctx, ost, filtered_frame);
1170 // TODO support subtitle filters
1174 av_frame_unref(filtered_frame);
1181 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1184 AVBPrint buf_script;
1186 AVFormatContext *oc;
1188 AVCodecContext *enc;
1189 int frame_number, vid, i;
1191 int64_t pts = INT64_MIN;
1192 static int64_t last_time = -1;
1193 static int qp_histogram[52];
1194 int hours, mins, secs, us;
1196 if (!print_stats && !is_last_report && !progress_avio)
1199 if (!is_last_report) {
1200 if (last_time == -1) {
1201 last_time = cur_time;
1204 if ((cur_time - last_time) < 500000)
1206 last_time = cur_time;
1210 oc = output_files[0]->ctx;
1212 total_size = avio_size(oc->pb);
1213 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1214 total_size = avio_tell(oc->pb);
1218 av_bprint_init(&buf_script, 0, 1);
1219 for (i = 0; i < nb_output_streams; i++) {
1221 ost = output_streams[i];
1222 enc = ost->st->codec;
1223 if (!ost->stream_copy && enc->coded_frame)
1224 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1225 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1226 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1227 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1228 ost->file_index, ost->index, q);
1230 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1231 float fps, t = (cur_time-timer_start) / 1000000.0;
1233 frame_number = ost->frame_number;
1234 fps = t > 1 ? frame_number / t : 0;
1235 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1236 frame_number, fps < 9.95, fps, q);
1237 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1238 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1239 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1240 ost->file_index, ost->index, q);
1242 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1246 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1248 for (j = 0; j < 32; j++)
1249 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1251 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1253 double error, error_sum = 0;
1254 double scale, scale_sum = 0;
1256 char type[3] = { 'Y','U','V' };
1257 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1258 for (j = 0; j < 3; j++) {
1259 if (is_last_report) {
1260 error = enc->error[j];
1261 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1263 error = enc->coded_frame->error[j];
1264 scale = enc->width * enc->height * 255.0 * 255.0;
1270 p = psnr(error / scale);
1271 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1272 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1273 ost->file_index, ost->index, type[j] | 32, p);
1275 p = psnr(error_sum / scale_sum);
1276 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1277 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1278 ost->file_index, ost->index, p);
1282 /* compute min output value */
1283 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1284 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1285 ost->st->time_base, AV_TIME_BASE_Q));
1288 secs = pts / AV_TIME_BASE;
1289 us = pts % AV_TIME_BASE;
1295 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1297 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1299 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1300 "size=%8.0fkB time=", total_size / 1024.0);
1301 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1302 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1303 (100 * us) / AV_TIME_BASE);
1304 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1306 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1307 "bitrate=%6.1fkbits/s", bitrate);
1308 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1309 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1310 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1311 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1312 hours, mins, secs, us);
1314 if (nb_frames_dup || nb_frames_drop)
1315 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1316 nb_frames_dup, nb_frames_drop);
1317 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1318 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1320 if (print_stats || is_last_report) {
1321 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1322 fprintf(stderr, "%s \r", buf);
1324 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1329 if (progress_avio) {
1330 av_bprintf(&buf_script, "progress=%s\n",
1331 is_last_report ? "end" : "continue");
1332 avio_write(progress_avio, buf_script.str,
1333 FFMIN(buf_script.len, buf_script.size - 1));
1334 avio_flush(progress_avio);
1335 av_bprint_finalize(&buf_script, NULL);
1336 if (is_last_report) {
1337 avio_close(progress_avio);
1338 progress_avio = NULL;
1342 if (is_last_report) {
1343 int64_t raw = audio_size + video_size + data_size + subtitle_size + extra_size;
1344 float percent = 0.0;
1347 percent = 100.0 * (total_size - raw) / raw;
1349 av_log(NULL, AV_LOG_INFO, "\n");
1350 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f data:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1351 video_size / 1024.0,
1352 audio_size / 1024.0,
1353 subtitle_size / 1024.0,
1355 extra_size / 1024.0,
1357 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1358 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1363 static void flush_encoders(void)
1367 for (i = 0; i < nb_output_streams; i++) {
1368 OutputStream *ost = output_streams[i];
1369 AVCodecContext *enc = ost->st->codec;
1370 AVFormatContext *os = output_files[ost->file_index]->ctx;
1371 int stop_encoding = 0;
1373 if (!ost->encoding_needed)
1376 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1378 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1382 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1386 switch (ost->st->codec->codec_type) {
1387 case AVMEDIA_TYPE_AUDIO:
1388 encode = avcodec_encode_audio2;
1392 case AVMEDIA_TYPE_VIDEO:
1393 encode = avcodec_encode_video2;
1405 av_init_packet(&pkt);
1409 update_benchmark(NULL);
1410 ret = encode(enc, &pkt, NULL, &got_packet);
1411 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1413 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1416 if (ost->logfile && enc->stats_out) {
1417 fprintf(ost->logfile, "%s", enc->stats_out);
1423 if (ost->finished & MUXER_FINISHED) {
1424 av_free_packet(&pkt);
1428 if (pkt.pts != AV_NOPTS_VALUE)
1429 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1430 if (pkt.dts != AV_NOPTS_VALUE)
1431 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1432 if (pkt.duration > 0)
1433 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1434 pkt_size = pkt.size;
1435 write_frame(os, &pkt, ost);
1436 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1437 do_video_stats(ost, pkt_size);
1448 * Check whether a packet from ist should be written into ost at this time
1450 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1452 OutputFile *of = output_files[ost->file_index];
1453 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1455 if (ost->source_index != ist_index)
1461 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1467 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1469 OutputFile *of = output_files[ost->file_index];
1470 InputFile *f = input_files [ist->file_index];
1471 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1472 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1473 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1477 av_init_packet(&opkt);
1479 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1480 !ost->copy_initial_nonkeyframes)
1483 if (pkt->pts == AV_NOPTS_VALUE) {
1484 if (!ost->frame_number && ist->pts < start_time &&
1485 !ost->copy_prior_start)
1488 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1489 !ost->copy_prior_start)
1493 if (of->recording_time != INT64_MAX &&
1494 ist->pts >= of->recording_time + start_time) {
1495 close_output_stream(ost);
1499 if (f->recording_time != INT64_MAX) {
1500 start_time = f->ctx->start_time;
1501 if (f->start_time != AV_NOPTS_VALUE)
1502 start_time += f->start_time;
1503 if (ist->pts >= f->recording_time + start_time) {
1504 close_output_stream(ost);
1509 /* force the input stream PTS */
1510 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1511 audio_size += pkt->size;
1512 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1513 video_size += pkt->size;
1515 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_DATA) {
1516 data_size += pkt->size;
1517 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1518 subtitle_size += pkt->size;
1521 if (pkt->pts != AV_NOPTS_VALUE)
1522 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1524 opkt.pts = AV_NOPTS_VALUE;
1526 if (pkt->dts == AV_NOPTS_VALUE)
1527 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1529 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1530 opkt.dts -= ost_tb_start_time;
1532 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1533 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1535 duration = ist->st->codec->frame_size;
1536 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1537 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1538 ost->st->time_base) - ost_tb_start_time;
1541 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1542 opkt.flags = pkt->flags;
1544 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1545 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1546 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1547 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1548 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1550 if (av_parser_change(ost->parser, ost->st->codec,
1551 &opkt.data, &opkt.size,
1552 pkt->data, pkt->size,
1553 pkt->flags & AV_PKT_FLAG_KEY)) {
1554 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1559 opkt.data = pkt->data;
1560 opkt.size = pkt->size;
1562 av_copy_packet_side_data(&opkt, pkt);
1564 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1565 /* store AVPicture in AVPacket, as expected by the output format */
1566 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1567 opkt.data = (uint8_t *)&pict;
1568 opkt.size = sizeof(AVPicture);
1569 opkt.flags |= AV_PKT_FLAG_KEY;
1572 write_frame(of->ctx, &opkt, ost);
1573 ost->st->codec->frame_number++;
1576 int guess_input_channel_layout(InputStream *ist)
1578 AVCodecContext *dec = ist->st->codec;
1580 if (!dec->channel_layout) {
1581 char layout_name[256];
1583 if (dec->channels > ist->guess_layout_max)
1585 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1586 if (!dec->channel_layout)
1588 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1589 dec->channels, dec->channel_layout);
1590 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1591 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1596 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1598 AVFrame *decoded_frame, *f;
1599 AVCodecContext *avctx = ist->st->codec;
1600 int i, ret, err = 0, resample_changed;
1601 AVRational decoded_frame_tb;
1603 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1604 return AVERROR(ENOMEM);
1605 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1606 return AVERROR(ENOMEM);
1607 decoded_frame = ist->decoded_frame;
1609 update_benchmark(NULL);
1610 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1611 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1613 if (ret >= 0 && avctx->sample_rate <= 0) {
1614 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1615 ret = AVERROR_INVALIDDATA;
1618 if (*got_output || ret<0 || pkt->size)
1619 decode_error_stat[ret<0] ++;
1621 if (!*got_output || ret < 0) {
1623 for (i = 0; i < ist->nb_filters; i++)
1625 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1627 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1634 /* increment next_dts to use for the case where the input stream does not
1635 have timestamps or there are multiple frames in the packet */
1636 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1638 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1642 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1643 ist->resample_channels != avctx->channels ||
1644 ist->resample_channel_layout != decoded_frame->channel_layout ||
1645 ist->resample_sample_rate != decoded_frame->sample_rate;
1646 if (resample_changed) {
1647 char layout1[64], layout2[64];
1649 if (!guess_input_channel_layout(ist)) {
1650 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1651 "layout for Input Stream #%d.%d\n", ist->file_index,
1655 decoded_frame->channel_layout = avctx->channel_layout;
1657 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1658 ist->resample_channel_layout);
1659 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1660 decoded_frame->channel_layout);
1662 av_log(NULL, AV_LOG_INFO,
1663 "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",
1664 ist->file_index, ist->st->index,
1665 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1666 ist->resample_channels, layout1,
1667 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1668 avctx->channels, layout2);
1670 ist->resample_sample_fmt = decoded_frame->format;
1671 ist->resample_sample_rate = decoded_frame->sample_rate;
1672 ist->resample_channel_layout = decoded_frame->channel_layout;
1673 ist->resample_channels = avctx->channels;
1675 for (i = 0; i < nb_filtergraphs; i++)
1676 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1677 FilterGraph *fg = filtergraphs[i];
1679 if (configure_filtergraph(fg) < 0) {
1680 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1683 for (j = 0; j < fg->nb_outputs; j++) {
1684 OutputStream *ost = fg->outputs[j]->ost;
1685 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1686 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1687 av_buffersink_set_frame_size(ost->filter->filter,
1688 ost->st->codec->frame_size);
1693 /* if the decoder provides a pts, use it instead of the last packet pts.
1694 the decoder could be delaying output by a packet or more. */
1695 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1696 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1697 decoded_frame_tb = avctx->time_base;
1698 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1699 decoded_frame->pts = decoded_frame->pkt_pts;
1700 pkt->pts = AV_NOPTS_VALUE;
1701 decoded_frame_tb = ist->st->time_base;
1702 } else if (pkt->pts != AV_NOPTS_VALUE) {
1703 decoded_frame->pts = pkt->pts;
1704 pkt->pts = AV_NOPTS_VALUE;
1705 decoded_frame_tb = ist->st->time_base;
1707 decoded_frame->pts = ist->dts;
1708 decoded_frame_tb = AV_TIME_BASE_Q;
1710 if (decoded_frame->pts != AV_NOPTS_VALUE)
1711 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1712 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1713 (AVRational){1, ist->st->codec->sample_rate});
1714 for (i = 0; i < ist->nb_filters; i++) {
1715 if (i < ist->nb_filters - 1) {
1716 f = ist->filter_frame;
1717 err = av_frame_ref(f, decoded_frame);
1722 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1723 AV_BUFFERSRC_FLAG_PUSH);
1724 if (err == AVERROR_EOF)
1725 err = 0; /* ignore */
1729 decoded_frame->pts = AV_NOPTS_VALUE;
1731 av_frame_unref(ist->filter_frame);
1732 av_frame_unref(decoded_frame);
1733 return err < 0 ? err : ret;
1736 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1738 AVFrame *decoded_frame, *f;
1739 int i, ret = 0, err = 0, resample_changed;
1740 int64_t best_effort_timestamp;
1741 AVRational *frame_sample_aspect;
1743 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1744 return AVERROR(ENOMEM);
1745 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1746 return AVERROR(ENOMEM);
1747 decoded_frame = ist->decoded_frame;
1748 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1750 update_benchmark(NULL);
1751 ret = avcodec_decode_video2(ist->st->codec,
1752 decoded_frame, got_output, pkt);
1753 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1755 if (*got_output || ret<0 || pkt->size)
1756 decode_error_stat[ret<0] ++;
1758 if (!*got_output || ret < 0) {
1760 for (i = 0; i < ist->nb_filters; i++)
1762 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1764 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1770 if(ist->top_field_first>=0)
1771 decoded_frame->top_field_first = ist->top_field_first;
1773 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1774 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1778 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1780 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1781 if(best_effort_timestamp != AV_NOPTS_VALUE)
1782 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1785 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1786 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
1787 ist->st->index, av_ts2str(decoded_frame->pts),
1788 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1789 best_effort_timestamp,
1790 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1791 decoded_frame->key_frame, decoded_frame->pict_type,
1792 ist->st->time_base.num, ist->st->time_base.den);
1797 if (ist->st->sample_aspect_ratio.num)
1798 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1800 resample_changed = ist->resample_width != decoded_frame->width ||
1801 ist->resample_height != decoded_frame->height ||
1802 ist->resample_pix_fmt != decoded_frame->format;
1803 if (resample_changed) {
1804 av_log(NULL, AV_LOG_INFO,
1805 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1806 ist->file_index, ist->st->index,
1807 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1808 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1810 ist->resample_width = decoded_frame->width;
1811 ist->resample_height = decoded_frame->height;
1812 ist->resample_pix_fmt = decoded_frame->format;
1814 for (i = 0; i < nb_filtergraphs; i++) {
1815 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1816 configure_filtergraph(filtergraphs[i]) < 0) {
1817 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1823 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1824 for (i = 0; i < ist->nb_filters; i++) {
1825 if (!frame_sample_aspect->num)
1826 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1828 if (i < ist->nb_filters - 1) {
1829 f = ist->filter_frame;
1830 err = av_frame_ref(f, decoded_frame);
1835 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1836 if (ret == AVERROR_EOF) {
1837 ret = 0; /* ignore */
1838 } else if (ret < 0) {
1839 av_log(NULL, AV_LOG_FATAL,
1840 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1846 av_frame_unref(ist->filter_frame);
1847 av_frame_unref(decoded_frame);
1848 return err < 0 ? err : ret;
1851 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1853 AVSubtitle subtitle;
1854 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1855 &subtitle, got_output, pkt);
1857 if (*got_output || ret<0 || pkt->size)
1858 decode_error_stat[ret<0] ++;
1860 if (ret < 0 || !*got_output) {
1862 sub2video_flush(ist);
1866 if (ist->fix_sub_duration) {
1868 if (ist->prev_sub.got_output) {
1869 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1870 1000, AV_TIME_BASE);
1871 if (end < ist->prev_sub.subtitle.end_display_time) {
1872 av_log(ist->st->codec, AV_LOG_DEBUG,
1873 "Subtitle duration reduced from %d to %d%s\n",
1874 ist->prev_sub.subtitle.end_display_time, end,
1875 end <= 0 ? ", dropping it" : "");
1876 ist->prev_sub.subtitle.end_display_time = end;
1879 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1880 FFSWAP(int, ret, ist->prev_sub.ret);
1881 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1889 sub2video_update(ist, &subtitle);
1891 if (!subtitle.num_rects)
1894 for (i = 0; i < nb_output_streams; i++) {
1895 OutputStream *ost = output_streams[i];
1897 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1900 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1904 avsubtitle_free(&subtitle);
1908 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1909 static int output_packet(InputStream *ist, const AVPacket *pkt)
1915 if (!ist->saw_first_ts) {
1916 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;
1918 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1919 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1920 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1922 ist->saw_first_ts = 1;
1925 if (ist->next_dts == AV_NOPTS_VALUE)
1926 ist->next_dts = ist->dts;
1927 if (ist->next_pts == AV_NOPTS_VALUE)
1928 ist->next_pts = ist->pts;
1932 av_init_packet(&avpkt);
1940 if (pkt->dts != AV_NOPTS_VALUE) {
1941 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1942 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1943 ist->next_pts = ist->pts = ist->dts;
1946 // while we have more to decode or while the decoder did output something on EOF
1947 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1951 ist->pts = ist->next_pts;
1952 ist->dts = ist->next_dts;
1954 if (avpkt.size && avpkt.size != pkt->size) {
1955 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1956 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1957 ist->showed_multi_packet_warning = 1;
1960 switch (ist->st->codec->codec_type) {
1961 case AVMEDIA_TYPE_AUDIO:
1962 ret = decode_audio (ist, &avpkt, &got_output);
1964 case AVMEDIA_TYPE_VIDEO:
1965 ret = decode_video (ist, &avpkt, &got_output);
1966 if (avpkt.duration) {
1967 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1968 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1969 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1970 duration = ((int64_t)AV_TIME_BASE *
1971 ist->st->codec->time_base.num * ticks) /
1972 ist->st->codec->time_base.den;
1976 if(ist->dts != AV_NOPTS_VALUE && duration) {
1977 ist->next_dts += duration;
1979 ist->next_dts = AV_NOPTS_VALUE;
1982 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1984 case AVMEDIA_TYPE_SUBTITLE:
1985 ret = transcode_subtitles(ist, &avpkt, &got_output);
1995 avpkt.pts= AV_NOPTS_VALUE;
1997 // touch data and size only if not EOF
1999 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2009 /* handle stream copy */
2010 if (!ist->decoding_needed) {
2011 ist->dts = ist->next_dts;
2012 switch (ist->st->codec->codec_type) {
2013 case AVMEDIA_TYPE_AUDIO:
2014 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2015 ist->st->codec->sample_rate;
2017 case AVMEDIA_TYPE_VIDEO:
2018 if (ist->framerate.num) {
2019 // TODO: Remove work-around for c99-to-c89 issue 7
2020 AVRational time_base_q = AV_TIME_BASE_Q;
2021 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2022 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2023 } else if (pkt->duration) {
2024 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2025 } else if(ist->st->codec->time_base.num != 0) {
2026 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2027 ist->next_dts += ((int64_t)AV_TIME_BASE *
2028 ist->st->codec->time_base.num * ticks) /
2029 ist->st->codec->time_base.den;
2033 ist->pts = ist->dts;
2034 ist->next_pts = ist->next_dts;
2036 for (i = 0; pkt && i < nb_output_streams; i++) {
2037 OutputStream *ost = output_streams[i];
2039 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2042 do_streamcopy(ist, ost, pkt);
2048 static void print_sdp(void)
2052 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2056 for (i = 0; i < nb_output_files; i++)
2057 avc[i] = output_files[i]->ctx;
2059 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2060 printf("SDP:\n%s\n", sdp);
2065 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2068 for (i = 0; hwaccels[i].name; i++)
2069 if (hwaccels[i].pix_fmt == pix_fmt)
2070 return &hwaccels[i];
2074 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2076 InputStream *ist = s->opaque;
2077 const enum AVPixelFormat *p;
2080 for (p = pix_fmts; *p != -1; p++) {
2081 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2082 const HWAccel *hwaccel;
2084 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2087 hwaccel = get_hwaccel(*p);
2089 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2090 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2093 ret = hwaccel->init(s);
2095 if (ist->hwaccel_id == hwaccel->id) {
2096 av_log(NULL, AV_LOG_FATAL,
2097 "%s hwaccel requested for input stream #%d:%d, "
2098 "but cannot be initialized.\n", hwaccel->name,
2099 ist->file_index, ist->st->index);
2104 ist->active_hwaccel_id = hwaccel->id;
2105 ist->hwaccel_pix_fmt = *p;
2112 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2114 InputStream *ist = s->opaque;
2116 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2117 return ist->hwaccel_get_buffer(s, frame, flags);
2119 return avcodec_default_get_buffer2(s, frame, flags);
2122 static int init_input_stream(int ist_index, char *error, int error_len)
2125 InputStream *ist = input_streams[ist_index];
2127 if (ist->decoding_needed) {
2128 AVCodec *codec = ist->dec;
2130 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2131 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2132 return AVERROR(EINVAL);
2135 ist->st->codec->opaque = ist;
2136 ist->st->codec->get_format = get_format;
2137 ist->st->codec->get_buffer2 = get_buffer;
2138 ist->st->codec->thread_safe_callbacks = 1;
2140 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2142 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2143 av_dict_set(&ist->opts, "threads", "auto", 0);
2144 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
2145 if (ret == AVERROR_EXPERIMENTAL)
2146 abort_codec_experimental(codec, 0);
2148 snprintf(error, error_len,
2149 "Error while opening decoder for input stream "
2151 ist->file_index, ist->st->index, av_err2str(ret));
2154 assert_avoptions(ist->opts);
2157 ist->next_pts = AV_NOPTS_VALUE;
2158 ist->next_dts = AV_NOPTS_VALUE;
2163 static InputStream *get_input_stream(OutputStream *ost)
2165 if (ost->source_index >= 0)
2166 return input_streams[ost->source_index];
2170 static int compare_int64(const void *a, const void *b)
2172 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2173 return va < vb ? -1 : va > vb ? +1 : 0;
2176 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2177 AVCodecContext *avctx)
2180 int n = 1, i, size, index = 0;
2183 for (p = kf; *p; p++)
2187 pts = av_malloc(sizeof(*pts) * size);
2189 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2194 for (i = 0; i < n; i++) {
2195 char *next = strchr(p, ',');
2200 if (!memcmp(p, "chapters", 8)) {
2202 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2205 if (avf->nb_chapters > INT_MAX - size ||
2206 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2208 av_log(NULL, AV_LOG_FATAL,
2209 "Could not allocate forced key frames array.\n");
2212 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2213 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2215 for (j = 0; j < avf->nb_chapters; j++) {
2216 AVChapter *c = avf->chapters[j];
2217 av_assert1(index < size);
2218 pts[index++] = av_rescale_q(c->start, c->time_base,
2219 avctx->time_base) + t;
2224 t = parse_time_or_die("force_key_frames", p, 1);
2225 av_assert1(index < size);
2226 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2233 av_assert0(index == size);
2234 qsort(pts, size, sizeof(*pts), compare_int64);
2235 ost->forced_kf_count = size;
2236 ost->forced_kf_pts = pts;
2239 static void report_new_stream(int input_index, AVPacket *pkt)
2241 InputFile *file = input_files[input_index];
2242 AVStream *st = file->ctx->streams[pkt->stream_index];
2244 if (pkt->stream_index < file->nb_streams_warn)
2246 av_log(file->ctx, AV_LOG_WARNING,
2247 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2248 av_get_media_type_string(st->codec->codec_type),
2249 input_index, pkt->stream_index,
2250 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2251 file->nb_streams_warn = pkt->stream_index + 1;
2254 static int transcode_init(void)
2256 int ret = 0, i, j, k;
2257 AVFormatContext *oc;
2258 AVCodecContext *codec;
2264 for (i = 0; i < nb_filtergraphs; i++) {
2265 FilterGraph *fg = filtergraphs[i];
2266 for (j = 0; j < fg->nb_outputs; j++) {
2267 OutputFilter *ofilter = fg->outputs[j];
2268 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2270 if (fg->nb_inputs != 1)
2272 for (k = nb_input_streams-1; k >= 0 ; k--)
2273 if (fg->inputs[0]->ist == input_streams[k])
2275 ofilter->ost->source_index = k;
2279 /* init framerate emulation */
2280 for (i = 0; i < nb_input_files; i++) {
2281 InputFile *ifile = input_files[i];
2282 if (ifile->rate_emu)
2283 for (j = 0; j < ifile->nb_streams; j++)
2284 input_streams[j + ifile->ist_index]->start = av_gettime();
2287 /* output stream init */
2288 for (i = 0; i < nb_output_files; i++) {
2289 oc = output_files[i]->ctx;
2290 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2291 av_dump_format(oc, i, oc->filename, 1);
2292 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2293 return AVERROR(EINVAL);
2297 /* init complex filtergraphs */
2298 for (i = 0; i < nb_filtergraphs; i++)
2299 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2302 /* for each output stream, we compute the right encoding parameters */
2303 for (i = 0; i < nb_output_streams; i++) {
2304 AVCodecContext *icodec = NULL;
2305 ost = output_streams[i];
2306 oc = output_files[ost->file_index]->ctx;
2307 ist = get_input_stream(ost);
2309 if (ost->attachment_filename)
2312 codec = ost->st->codec;
2315 icodec = ist->st->codec;
2317 ost->st->disposition = ist->st->disposition;
2318 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2319 codec->chroma_sample_location = icodec->chroma_sample_location;
2321 for (j=0; j<oc->nb_streams; j++) {
2322 AVStream *st = oc->streams[j];
2323 if (st != ost->st && st->codec->codec_type == codec->codec_type)
2326 if (j == oc->nb_streams)
2327 if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
2328 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2331 if (ost->stream_copy) {
2333 uint64_t extra_size;
2335 av_assert0(ist && !ost->filter);
2337 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2339 if (extra_size > INT_MAX) {
2340 return AVERROR(EINVAL);
2343 /* if stream_copy is selected, no need to decode or encode */
2344 codec->codec_id = icodec->codec_id;
2345 codec->codec_type = icodec->codec_type;
2347 if (!codec->codec_tag) {
2348 unsigned int codec_tag;
2349 if (!oc->oformat->codec_tag ||
2350 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2351 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2352 codec->codec_tag = icodec->codec_tag;
2355 codec->bit_rate = icodec->bit_rate;
2356 codec->rc_max_rate = icodec->rc_max_rate;
2357 codec->rc_buffer_size = icodec->rc_buffer_size;
2358 codec->field_order = icodec->field_order;
2359 codec->extradata = av_mallocz(extra_size);
2360 if (!codec->extradata) {
2361 return AVERROR(ENOMEM);
2363 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2364 codec->extradata_size= icodec->extradata_size;
2365 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2367 codec->time_base = ist->st->time_base;
2369 * Avi is a special case here because it supports variable fps but
2370 * having the fps and timebase differe significantly adds quite some
2373 if(!strcmp(oc->oformat->name, "avi")) {
2374 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2375 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2376 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2377 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2379 codec->time_base.num = ist->st->r_frame_rate.den;
2380 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2381 codec->ticks_per_frame = 2;
2382 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2383 && av_q2d(ist->st->time_base) < 1.0/500
2385 codec->time_base = icodec->time_base;
2386 codec->time_base.num *= icodec->ticks_per_frame;
2387 codec->time_base.den *= 2;
2388 codec->ticks_per_frame = 2;
2390 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2391 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2392 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2393 && strcmp(oc->oformat->name, "f4v")
2395 if( copy_tb<0 && icodec->time_base.den
2396 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2397 && av_q2d(ist->st->time_base) < 1.0/500
2399 codec->time_base = icodec->time_base;
2400 codec->time_base.num *= icodec->ticks_per_frame;
2403 if ( codec->codec_tag == AV_RL32("tmcd")
2404 && icodec->time_base.num < icodec->time_base.den
2405 && icodec->time_base.num > 0
2406 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2407 codec->time_base = icodec->time_base;
2410 if (ist && !ost->frame_rate.num)
2411 ost->frame_rate = ist->framerate;
2412 if(ost->frame_rate.num)
2413 codec->time_base = av_inv_q(ost->frame_rate);
2415 av_reduce(&codec->time_base.num, &codec->time_base.den,
2416 codec->time_base.num, codec->time_base.den, INT_MAX);
2418 ost->parser = av_parser_init(codec->codec_id);
2420 switch (codec->codec_type) {
2421 case AVMEDIA_TYPE_AUDIO:
2422 if (audio_volume != 256) {
2423 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2426 codec->channel_layout = icodec->channel_layout;
2427 codec->sample_rate = icodec->sample_rate;
2428 codec->channels = icodec->channels;
2429 codec->frame_size = icodec->frame_size;
2430 codec->audio_service_type = icodec->audio_service_type;
2431 codec->block_align = icodec->block_align;
2432 codec->delay = icodec->delay;
2433 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2434 codec->block_align= 0;
2435 if(codec->codec_id == AV_CODEC_ID_AC3)
2436 codec->block_align= 0;
2438 case AVMEDIA_TYPE_VIDEO:
2439 codec->pix_fmt = icodec->pix_fmt;
2440 codec->width = icodec->width;
2441 codec->height = icodec->height;
2442 codec->has_b_frames = icodec->has_b_frames;
2443 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2445 av_mul_q(ost->frame_aspect_ratio,
2446 (AVRational){ codec->height, codec->width });
2447 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2448 "with stream copy may produce invalid files\n");
2450 else if (ist->st->sample_aspect_ratio.num)
2451 sar = ist->st->sample_aspect_ratio;
2453 sar = icodec->sample_aspect_ratio;
2454 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
2455 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2457 case AVMEDIA_TYPE_SUBTITLE:
2458 codec->width = icodec->width;
2459 codec->height = icodec->height;
2461 case AVMEDIA_TYPE_DATA:
2462 case AVMEDIA_TYPE_ATTACHMENT:
2469 ost->enc = avcodec_find_encoder(codec->codec_id);
2471 /* should only happen when a default codec is not present. */
2472 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2473 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2474 ret = AVERROR(EINVAL);
2479 ist->decoding_needed++;
2480 ost->encoding_needed = 1;
2483 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2484 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2486 fg = init_simple_filtergraph(ist, ost);
2487 if (configure_filtergraph(fg)) {
2488 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2493 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2494 if (ost->filter && !ost->frame_rate.num)
2495 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2496 if (ist && !ost->frame_rate.num)
2497 ost->frame_rate = ist->framerate;
2498 if (ist && !ost->frame_rate.num)
2499 ost->frame_rate = ist->st->r_frame_rate;
2500 if (ist && !ost->frame_rate.num) {
2501 ost->frame_rate = (AVRational){25, 1};
2502 av_log(NULL, AV_LOG_WARNING,
2504 "about the input framerate is available. Falling "
2505 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2506 "if you want a different framerate.\n",
2507 ost->file_index, ost->index);
2509 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2510 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2511 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2512 ost->frame_rate = ost->enc->supported_framerates[idx];
2514 if (codec->codec_id == AV_CODEC_ID_MPEG4) {
2515 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2516 ost->frame_rate.num, ost->frame_rate.den, 65535);
2520 switch (codec->codec_type) {
2521 case AVMEDIA_TYPE_AUDIO:
2522 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2523 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2524 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2525 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2526 codec->time_base = (AVRational){ 1, codec->sample_rate };
2528 case AVMEDIA_TYPE_VIDEO:
2529 codec->time_base = av_inv_q(ost->frame_rate);
2530 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2531 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2532 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2533 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2534 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2535 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2537 for (j = 0; j < ost->forced_kf_count; j++)
2538 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2542 codec->width = ost->filter->filter->inputs[0]->w;
2543 codec->height = ost->filter->filter->inputs[0]->h;
2544 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2545 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2546 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2547 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2548 if (!strncmp(ost->enc->name, "libx264", 7) &&
2549 codec->pix_fmt == AV_PIX_FMT_NONE &&
2550 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2551 av_log(NULL, AV_LOG_WARNING,
2552 "No pixel format specified, %s for H.264 encoding chosen.\n"
2553 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2554 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2555 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2556 codec->pix_fmt == AV_PIX_FMT_NONE &&
2557 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2558 av_log(NULL, AV_LOG_WARNING,
2559 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2560 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2561 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2562 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2565 codec->width != icodec->width ||
2566 codec->height != icodec->height ||
2567 codec->pix_fmt != icodec->pix_fmt) {
2568 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2571 if (ost->forced_keyframes) {
2572 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2573 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2574 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2576 av_log(NULL, AV_LOG_ERROR,
2577 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2580 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2581 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2582 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2583 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2585 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2589 case AVMEDIA_TYPE_SUBTITLE:
2590 codec->time_base = (AVRational){1, 1000};
2591 if (!codec->width) {
2592 codec->width = input_streams[ost->source_index]->st->codec->width;
2593 codec->height = input_streams[ost->source_index]->st->codec->height;
2601 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2602 char logfilename[1024];
2605 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2606 ost->logfile_prefix ? ost->logfile_prefix :
2607 DEFAULT_PASS_LOGFILENAME_PREFIX,
2609 if (!strcmp(ost->enc->name, "libx264")) {
2610 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2612 if (codec->flags & CODEC_FLAG_PASS2) {
2614 size_t logbuffer_size;
2615 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2616 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2620 codec->stats_in = logbuffer;
2622 if (codec->flags & CODEC_FLAG_PASS1) {
2623 f = av_fopen_utf8(logfilename, "wb");
2625 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2626 logfilename, strerror(errno));
2636 /* open each encoder */
2637 for (i = 0; i < nb_output_streams; i++) {
2638 ost = output_streams[i];
2639 if (ost->encoding_needed) {
2640 AVCodec *codec = ost->enc;
2641 AVCodecContext *dec = NULL;
2643 if ((ist = get_input_stream(ost)))
2644 dec = ist->st->codec;
2645 if (dec && dec->subtitle_header) {
2646 /* ASS code assumes this buffer is null terminated so add extra byte. */
2647 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2648 if (!ost->st->codec->subtitle_header) {
2649 ret = AVERROR(ENOMEM);
2652 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2653 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2655 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2656 av_dict_set(&ost->opts, "threads", "auto", 0);
2657 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2658 if (ret == AVERROR_EXPERIMENTAL)
2659 abort_codec_experimental(codec, 1);
2660 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2661 ost->file_index, ost->index);
2664 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2665 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2666 av_buffersink_set_frame_size(ost->filter->filter,
2667 ost->st->codec->frame_size);
2668 assert_avoptions(ost->opts);
2669 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2670 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2671 " It takes bits/s as argument, not kbits/s\n");
2672 extra_size += ost->st->codec->extradata_size;
2674 av_opt_set_dict(ost->st->codec, &ost->opts);
2678 /* init input streams */
2679 for (i = 0; i < nb_input_streams; i++)
2680 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2681 for (i = 0; i < nb_output_streams; i++) {
2682 ost = output_streams[i];
2683 avcodec_close(ost->st->codec);
2688 /* discard unused programs */
2689 for (i = 0; i < nb_input_files; i++) {
2690 InputFile *ifile = input_files[i];
2691 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2692 AVProgram *p = ifile->ctx->programs[j];
2693 int discard = AVDISCARD_ALL;
2695 for (k = 0; k < p->nb_stream_indexes; k++)
2696 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2697 discard = AVDISCARD_DEFAULT;
2700 p->discard = discard;
2704 /* open files and write file headers */
2705 for (i = 0; i < nb_output_files; i++) {
2706 oc = output_files[i]->ctx;
2707 oc->interrupt_callback = int_cb;
2708 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2709 snprintf(error, sizeof(error),
2710 "Could not write header for output file #%d "
2711 "(incorrect codec parameters ?): %s",
2712 i, av_err2str(ret));
2713 ret = AVERROR(EINVAL);
2716 // assert_avoptions(output_files[i]->opts);
2717 if (strcmp(oc->oformat->name, "rtp")) {
2723 /* dump the file output parameters - cannot be done before in case
2725 for (i = 0; i < nb_output_files; i++) {
2726 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2729 /* dump the stream mapping */
2730 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2731 for (i = 0; i < nb_input_streams; i++) {
2732 ist = input_streams[i];
2734 for (j = 0; j < ist->nb_filters; j++) {
2735 if (ist->filters[j]->graph->graph_desc) {
2736 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2737 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2738 ist->filters[j]->name);
2739 if (nb_filtergraphs > 1)
2740 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2741 av_log(NULL, AV_LOG_INFO, "\n");
2746 for (i = 0; i < nb_output_streams; i++) {
2747 ost = output_streams[i];
2749 if (ost->attachment_filename) {
2750 /* an attached file */
2751 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2752 ost->attachment_filename, ost->file_index, ost->index);
2756 if (ost->filter && ost->filter->graph->graph_desc) {
2757 /* output from a complex graph */
2758 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2759 if (nb_filtergraphs > 1)
2760 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2762 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2763 ost->index, ost->enc ? ost->enc->name : "?");
2767 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2768 input_streams[ost->source_index]->file_index,
2769 input_streams[ost->source_index]->st->index,
2772 if (ost->sync_ist != input_streams[ost->source_index])
2773 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2774 ost->sync_ist->file_index,
2775 ost->sync_ist->st->index);
2776 if (ost->stream_copy)
2777 av_log(NULL, AV_LOG_INFO, " (copy)");
2779 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2780 input_streams[ost->source_index]->dec->name : "?",
2781 ost->enc ? ost->enc->name : "?");
2782 av_log(NULL, AV_LOG_INFO, "\n");
2786 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2797 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2798 static int need_output(void)
2802 for (i = 0; i < nb_output_streams; i++) {
2803 OutputStream *ost = output_streams[i];
2804 OutputFile *of = output_files[ost->file_index];
2805 AVFormatContext *os = output_files[ost->file_index]->ctx;
2807 if (ost->finished ||
2808 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2810 if (ost->frame_number >= ost->max_frames) {
2812 for (j = 0; j < of->ctx->nb_streams; j++)
2813 close_output_stream(output_streams[of->ost_index + j]);
2824 * Select the output stream to process.
2826 * @return selected output stream, or NULL if none available
2828 static OutputStream *choose_output(void)
2831 int64_t opts_min = INT64_MAX;
2832 OutputStream *ost_min = NULL;
2834 for (i = 0; i < nb_output_streams; i++) {
2835 OutputStream *ost = output_streams[i];
2836 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2838 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2846 static int check_keyboard_interaction(int64_t cur_time)
2849 static int64_t last_time;
2850 if (received_nb_signals)
2851 return AVERROR_EXIT;
2852 /* read_key() returns 0 on EOF */
2853 if(cur_time - last_time >= 100000 && !run_as_daemon){
2855 last_time = cur_time;
2859 return AVERROR_EXIT;
2860 if (key == '+') av_log_set_level(av_log_get_level()+10);
2861 if (key == '-') av_log_set_level(av_log_get_level()-10);
2862 if (key == 's') qp_hist ^= 1;
2865 do_hex_dump = do_pkt_dump = 0;
2866 } else if(do_pkt_dump){
2870 av_log_set_level(AV_LOG_DEBUG);
2872 if (key == 'c' || key == 'C'){
2873 char buf[4096], target[64], command[256], arg[256] = {0};
2876 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2878 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2883 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2884 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2885 target, time, command, arg);
2886 for (i = 0; i < nb_filtergraphs; i++) {
2887 FilterGraph *fg = filtergraphs[i];
2890 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2891 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2892 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
2893 } else if (key == 'c') {
2894 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
2895 ret = AVERROR_PATCHWELCOME;
2897 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2902 av_log(NULL, AV_LOG_ERROR,
2903 "Parse error, at least 3 arguments were expected, "
2904 "only %d given in string '%s'\n", n, buf);
2907 if (key == 'd' || key == 'D'){
2910 debug = input_streams[0]->st->codec->debug<<1;
2911 if(!debug) debug = 1;
2912 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2915 if(scanf("%d", &debug)!=1)
2916 fprintf(stderr,"error parsing debug value\n");
2917 for(i=0;i<nb_input_streams;i++) {
2918 input_streams[i]->st->codec->debug = debug;
2920 for(i=0;i<nb_output_streams;i++) {
2921 OutputStream *ost = output_streams[i];
2922 ost->st->codec->debug = debug;
2924 if(debug) av_log_set_level(AV_LOG_DEBUG);
2925 fprintf(stderr,"debug=%d\n", debug);
2928 fprintf(stderr, "key function\n"
2929 "? show this help\n"
2930 "+ increase verbosity\n"
2931 "- decrease verbosity\n"
2932 "c Send command to first matching filter supporting it\n"
2933 "C Send/Que command to all matching filters\n"
2934 "D cycle through available debug modes\n"
2935 "h dump packets/hex press to cycle through the 3 states\n"
2937 "s Show QP histogram\n"
2944 static void *input_thread(void *arg)
2949 while (!transcoding_finished && ret >= 0) {
2951 ret = av_read_frame(f->ctx, &pkt);
2953 if (ret == AVERROR(EAGAIN)) {
2960 pthread_mutex_lock(&f->fifo_lock);
2961 while (!av_fifo_space(f->fifo))
2962 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2964 av_dup_packet(&pkt);
2965 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2966 pthread_cond_signal(&f->fifo_cond);
2968 pthread_mutex_unlock(&f->fifo_lock);
2971 pthread_mutex_lock(&f->fifo_lock);
2973 pthread_cond_signal(&f->fifo_cond);
2974 pthread_mutex_unlock(&f->fifo_lock);
2978 static void free_input_threads(void)
2982 if (nb_input_files == 1)
2985 transcoding_finished = 1;
2987 for (i = 0; i < nb_input_files; i++) {
2988 InputFile *f = input_files[i];
2991 if (!f->fifo || f->joined)
2994 pthread_mutex_lock(&f->fifo_lock);
2995 while (av_fifo_size(f->fifo)) {
2996 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2997 av_free_packet(&pkt);
2999 pthread_cond_signal(&f->fifo_cond);
3000 pthread_mutex_unlock(&f->fifo_lock);
3002 pthread_join(f->thread, NULL);
3005 while (av_fifo_size(f->fifo)) {
3006 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3007 av_free_packet(&pkt);
3009 av_fifo_free(f->fifo);
3013 static int init_input_threads(void)
3017 if (nb_input_files == 1)
3020 for (i = 0; i < nb_input_files; i++) {
3021 InputFile *f = input_files[i];
3023 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3024 return AVERROR(ENOMEM);
3026 if (f->ctx->pb ? !f->ctx->pb->seekable :
3027 strcmp(f->ctx->iformat->name, "lavfi"))
3028 f->non_blocking = 1;
3030 pthread_mutex_init(&f->fifo_lock, NULL);
3031 pthread_cond_init (&f->fifo_cond, NULL);
3033 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3034 return AVERROR(ret);
3039 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3043 pthread_mutex_lock(&f->fifo_lock);
3046 if (av_fifo_size(f->fifo)) {
3047 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3048 pthread_cond_signal(&f->fifo_cond);
3055 if (f->non_blocking) {
3056 ret = AVERROR(EAGAIN);
3059 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3063 pthread_mutex_unlock(&f->fifo_lock);
3069 static int get_input_packet(InputFile *f, AVPacket *pkt)
3073 for (i = 0; i < f->nb_streams; i++) {
3074 InputStream *ist = input_streams[f->ist_index + i];
3075 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3076 int64_t now = av_gettime() - ist->start;
3078 return AVERROR(EAGAIN);
3083 if (nb_input_files > 1)
3084 return get_input_packet_mt(f, pkt);
3086 return av_read_frame(f->ctx, pkt);
3089 static int got_eagain(void)
3092 for (i = 0; i < nb_output_streams; i++)
3093 if (output_streams[i]->unavailable)
3098 static void reset_eagain(void)
3101 for (i = 0; i < nb_input_files; i++)
3102 input_files[i]->eagain = 0;
3103 for (i = 0; i < nb_output_streams; i++)
3104 output_streams[i]->unavailable = 0;
3109 * - 0 -- one packet was read and processed
3110 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3111 * this function should be called again
3112 * - AVERROR_EOF -- this function should not be called again
3114 static int process_input(int file_index)
3116 InputFile *ifile = input_files[file_index];
3117 AVFormatContext *is;
3123 ret = get_input_packet(ifile, &pkt);
3125 if (ret == AVERROR(EAGAIN)) {
3130 if (ret != AVERROR_EOF) {
3131 print_error(is->filename, ret);
3135 ifile->eof_reached = 1;
3137 for (i = 0; i < ifile->nb_streams; i++) {
3138 ist = input_streams[ifile->ist_index + i];
3139 if (ist->decoding_needed)
3140 output_packet(ist, NULL);
3142 /* mark all outputs that don't go through lavfi as finished */
3143 for (j = 0; j < nb_output_streams; j++) {
3144 OutputStream *ost = output_streams[j];
3146 if (ost->source_index == ifile->ist_index + i &&
3147 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3148 close_output_stream(ost);
3152 return AVERROR(EAGAIN);
3158 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3159 is->streams[pkt.stream_index]);
3161 /* the following test is needed in case new streams appear
3162 dynamically in stream : we ignore them */
3163 if (pkt.stream_index >= ifile->nb_streams) {
3164 report_new_stream(file_index, &pkt);
3165 goto discard_packet;
3168 ist = input_streams[ifile->ist_index + pkt.stream_index];
3170 goto discard_packet;
3173 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3174 "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",
3175 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3176 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3177 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3178 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3179 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3180 av_ts2str(input_files[ist->file_index]->ts_offset),
3181 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3184 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3185 int64_t stime, stime2;
3186 // Correcting starttime based on the enabled streams
3187 // 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.
3188 // so we instead do it here as part of discontinuity handling
3189 if ( ist->next_dts == AV_NOPTS_VALUE
3190 && ifile->ts_offset == -is->start_time
3191 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3192 int64_t new_start_time = INT64_MAX;
3193 for (i=0; i<is->nb_streams; i++) {
3194 AVStream *st = is->streams[i];
3195 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3197 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3199 if (new_start_time > is->start_time) {
3200 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3201 ifile->ts_offset = -new_start_time;
3205 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3206 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3207 ist->wrap_correction_done = 1;
3209 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3210 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3211 ist->wrap_correction_done = 0;
3213 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3214 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3215 ist->wrap_correction_done = 0;
3219 if (pkt.dts != AV_NOPTS_VALUE)
3220 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3221 if (pkt.pts != AV_NOPTS_VALUE)
3222 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3224 if (pkt.pts != AV_NOPTS_VALUE)
3225 pkt.pts *= ist->ts_scale;
3226 if (pkt.dts != AV_NOPTS_VALUE)
3227 pkt.dts *= ist->ts_scale;
3229 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3230 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3231 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3232 int64_t delta = pkt_dts - ifile->last_ts;
3233 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3234 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3235 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3236 ifile->ts_offset -= delta;
3237 av_log(NULL, AV_LOG_DEBUG,
3238 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3239 delta, ifile->ts_offset);
3240 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3241 if (pkt.pts != AV_NOPTS_VALUE)
3242 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3246 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3248 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3249 int64_t delta = pkt_dts - ist->next_dts;
3250 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3251 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3252 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3253 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3254 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3255 ifile->ts_offset -= delta;
3256 av_log(NULL, AV_LOG_DEBUG,
3257 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3258 delta, ifile->ts_offset);
3259 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3260 if (pkt.pts != AV_NOPTS_VALUE)
3261 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3264 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3265 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3266 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3267 pkt.dts = AV_NOPTS_VALUE;
3269 if (pkt.pts != AV_NOPTS_VALUE){
3270 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3271 delta = pkt_pts - ist->next_dts;
3272 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3273 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3274 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3275 pkt.pts = AV_NOPTS_VALUE;
3281 if (pkt.dts != AV_NOPTS_VALUE)
3282 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3285 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",
3286 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3287 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3288 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3289 av_ts2str(input_files[ist->file_index]->ts_offset),
3290 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3293 sub2video_heartbeat(ist, pkt.pts);
3295 ret = output_packet(ist, &pkt);
3297 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3298 ist->file_index, ist->st->index, av_err2str(ret));
3304 av_free_packet(&pkt);
3310 * Perform a step of transcoding for the specified filter graph.
3312 * @param[in] graph filter graph to consider
3313 * @param[out] best_ist input stream where a frame would allow to continue
3314 * @return 0 for success, <0 for error
3316 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3319 int nb_requests, nb_requests_max = 0;
3320 InputFilter *ifilter;
3324 ret = avfilter_graph_request_oldest(graph->graph);
3326 return reap_filters();
3328 if (ret == AVERROR_EOF) {
3329 ret = reap_filters();
3330 for (i = 0; i < graph->nb_outputs; i++)
3331 close_output_stream(graph->outputs[i]->ost);
3334 if (ret != AVERROR(EAGAIN))
3337 for (i = 0; i < graph->nb_inputs; i++) {
3338 ifilter = graph->inputs[i];
3340 if (input_files[ist->file_index]->eagain ||
3341 input_files[ist->file_index]->eof_reached)
3343 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3344 if (nb_requests > nb_requests_max) {
3345 nb_requests_max = nb_requests;
3351 for (i = 0; i < graph->nb_outputs; i++)
3352 graph->outputs[i]->ost->unavailable = 1;
3358 * Run a single step of transcoding.
3360 * @return 0 for success, <0 for error
3362 static int transcode_step(void)
3368 ost = choose_output();
3375 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3380 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3385 av_assert0(ost->source_index >= 0);
3386 ist = input_streams[ost->source_index];
3389 ret = process_input(ist->file_index);
3390 if (ret == AVERROR(EAGAIN)) {
3391 if (input_files[ist->file_index]->eagain)
3392 ost->unavailable = 1;
3396 return ret == AVERROR_EOF ? 0 : ret;
3398 return reap_filters();
3402 * The following code is the main loop of the file converter
3404 static int transcode(void)
3407 AVFormatContext *os;
3410 int64_t timer_start;
3412 ret = transcode_init();
3416 if (stdin_interaction) {
3417 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3420 timer_start = av_gettime();
3423 if ((ret = init_input_threads()) < 0)
3427 while (!received_sigterm) {
3428 int64_t cur_time= av_gettime();
3430 /* if 'q' pressed, exits */
3431 if (stdin_interaction)
3432 if (check_keyboard_interaction(cur_time) < 0)
3435 /* check if there's any stream where output is still needed */
3436 if (!need_output()) {
3437 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3441 ret = transcode_step();
3443 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3446 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3450 /* dump report by using the output first video and audio streams */
3451 print_report(0, timer_start, cur_time);
3454 free_input_threads();
3457 /* at the end of stream, we must flush the decoder buffers */
3458 for (i = 0; i < nb_input_streams; i++) {
3459 ist = input_streams[i];
3460 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3461 output_packet(ist, NULL);
3468 /* write the trailer if needed and close file */
3469 for (i = 0; i < nb_output_files; i++) {
3470 os = output_files[i]->ctx;
3471 av_write_trailer(os);
3474 /* dump report by using the first video and audio streams */
3475 print_report(1, timer_start, av_gettime());
3477 /* close each encoder */
3478 for (i = 0; i < nb_output_streams; i++) {
3479 ost = output_streams[i];
3480 if (ost->encoding_needed) {
3481 av_freep(&ost->st->codec->stats_in);
3482 avcodec_close(ost->st->codec);
3486 /* close each decoder */
3487 for (i = 0; i < nb_input_streams; i++) {
3488 ist = input_streams[i];
3489 if (ist->decoding_needed) {
3490 avcodec_close(ist->st->codec);
3491 if (ist->hwaccel_uninit)
3492 ist->hwaccel_uninit(ist->st->codec);
3501 free_input_threads();
3504 if (output_streams) {
3505 for (i = 0; i < nb_output_streams; i++) {
3506 ost = output_streams[i];
3508 if (ost->stream_copy)
3509 av_freep(&ost->st->codec->extradata);
3511 fclose(ost->logfile);
3512 ost->logfile = NULL;
3514 av_freep(&ost->st->codec->subtitle_header);
3515 av_freep(&ost->forced_kf_pts);
3516 av_freep(&ost->apad);
3517 av_dict_free(&ost->opts);
3518 av_dict_free(&ost->swr_opts);
3519 av_dict_free(&ost->resample_opts);
3527 static int64_t getutime(void)
3530 struct rusage rusage;
3532 getrusage(RUSAGE_SELF, &rusage);
3533 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3534 #elif HAVE_GETPROCESSTIMES
3536 FILETIME c, e, k, u;
3537 proc = GetCurrentProcess();
3538 GetProcessTimes(proc, &c, &e, &k, &u);
3539 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3541 return av_gettime();
3545 static int64_t getmaxrss(void)
3547 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3548 struct rusage rusage;
3549 getrusage(RUSAGE_SELF, &rusage);
3550 return (int64_t)rusage.ru_maxrss * 1024;
3551 #elif HAVE_GETPROCESSMEMORYINFO
3553 PROCESS_MEMORY_COUNTERS memcounters;
3554 proc = GetCurrentProcess();
3555 memcounters.cb = sizeof(memcounters);
3556 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3557 return memcounters.PeakPagefileUsage;
3563 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3567 int main(int argc, char **argv)
3572 register_exit(ffmpeg_cleanup);
3574 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3576 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3577 parse_loglevel(argc, argv, options);
3579 if(argc>1 && !strcmp(argv[1], "-d")){
3581 av_log_set_callback(log_callback_null);
3586 avcodec_register_all();
3588 avdevice_register_all();
3590 avfilter_register_all();
3592 avformat_network_init();
3594 show_banner(argc, argv, options);
3598 /* parse options and open all input/output files */
3599 ret = ffmpeg_parse_options(argc, argv);
3603 if (nb_output_files <= 0 && nb_input_files == 0) {
3605 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3609 /* file converter / grab */
3610 if (nb_output_files <= 0) {
3611 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3615 // if (nb_input_files == 0) {
3616 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3620 current_time = ti = getutime();
3621 if (transcode() < 0)
3623 ti = getutime() - ti;
3625 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3627 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3628 decode_error_stat[0], decode_error_stat[1]);
3629 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3632 exit_program(received_nb_signals ? 255 : main_return_code);
3633 return main_return_code;