2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavformat/os_support.h"
65 #include "libavformat/ffm.h" // not public API
67 # include "libavfilter/avcodec.h"
68 # include "libavfilter/avfilter.h"
69 # include "libavfilter/buffersrc.h"
70 # include "libavfilter/buffersink.h"
72 #if HAVE_SYS_RESOURCE_H
74 #include <sys/types.h>
75 #include <sys/resource.h>
76 #elif HAVE_GETPROCESSTIMES
79 #if HAVE_GETPROCESSMEMORYINFO
85 #include <sys/select.h>
90 #include <sys/ioctl.h>
104 #include "cmdutils.h"
106 #include "libavutil/avassert.h"
108 const char program_name[] = "ffmpeg";
109 const int program_birth_year = 2000;
111 static FILE *vstats_file;
113 const char *const forced_keyframes_const_names[] = {
122 static void do_video_stats(OutputStream *ost, int frame_size);
123 static int64_t getutime(void);
124 static int64_t getmaxrss(void);
126 static int run_as_daemon = 0;
127 static int nb_frames_dup = 0;
128 static int nb_frames_drop = 0;
129 static int64_t decode_error_stat[2];
131 static int current_time;
132 AVIOContext *progress_avio = NULL;
134 static uint8_t *subtitle_out;
136 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
138 InputStream **input_streams = NULL;
139 int nb_input_streams = 0;
140 InputFile **input_files = NULL;
141 int nb_input_files = 0;
143 OutputStream **output_streams = NULL;
144 int nb_output_streams = 0;
145 OutputFile **output_files = NULL;
146 int nb_output_files = 0;
148 FilterGraph **filtergraphs;
153 /* init terminal so that we can grab keys */
154 static struct termios oldtty;
155 static int restore_tty;
158 static void free_input_threads(void);
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
166 static int sub2video_get_blank_frame(InputStream *ist)
169 AVFrame *frame = ist->sub2video.frame;
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->sub2video.w;
173 ist->sub2video.frame->height = ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
181 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
184 uint32_t *pal, *dst2;
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
197 dst += r->y * dst_linesize + r->x * 4;
198 src = r->pict.data[0];
199 pal = (uint32_t *)r->pict.data[1];
200 for (y = 0; y < r->h; y++) {
201 dst2 = (uint32_t *)dst;
203 for (x = 0; x < r->w; x++)
204 *(dst2++) = pal[*(src2++)];
206 src += r->pict.linesize[0];
210 static void sub2video_push_ref(InputStream *ist, int64_t pts)
212 AVFrame *frame = ist->sub2video.frame;
215 av_assert1(frame->data[0]);
216 ist->sub2video.last_pts = frame->pts = pts;
217 for (i = 0; i < ist->nb_filters; i++)
218 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
219 AV_BUFFERSRC_FLAG_KEEP_REF |
220 AV_BUFFERSRC_FLAG_PUSH);
223 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
225 int w = ist->sub2video.w, h = ist->sub2video.h;
226 AVFrame *frame = ist->sub2video.frame;
230 int64_t pts, end_pts;
235 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
236 AV_TIME_BASE_Q, ist->st->time_base);
237 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
238 AV_TIME_BASE_Q, ist->st->time_base);
239 num_rects = sub->num_rects;
241 pts = ist->sub2video.end_pts;
245 if (sub2video_get_blank_frame(ist) < 0) {
246 av_log(ist->dec_ctx, AV_LOG_ERROR,
247 "Impossible to get a blank canvas.\n");
250 dst = frame->data [0];
251 dst_linesize = frame->linesize[0];
252 for (i = 0; i < num_rects; i++)
253 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
254 sub2video_push_ref(ist, pts);
255 ist->sub2video.end_pts = end_pts;
258 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
260 InputFile *infile = input_files[ist->file_index];
264 /* When a frame is read from a file, examine all sub2video streams in
265 the same file and send the sub2video frame again. Otherwise, decoded
266 video frames could be accumulating in the filter graph while a filter
267 (possibly overlay) is desperately waiting for a subtitle frame. */
268 for (i = 0; i < infile->nb_streams; i++) {
269 InputStream *ist2 = input_streams[infile->ist_index + i];
270 if (!ist2->sub2video.frame)
272 /* subtitles seem to be usually muxed ahead of other streams;
273 if not, subtracting a larger time here is necessary */
274 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
275 /* do not send the heartbeat frame if the subtitle is already ahead */
276 if (pts2 <= ist2->sub2video.last_pts)
278 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
279 sub2video_update(ist2, NULL);
280 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
281 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
283 sub2video_push_ref(ist2, pts2);
287 static void sub2video_flush(InputStream *ist)
291 if (ist->sub2video.end_pts < INT64_MAX)
292 sub2video_update(ist, NULL);
293 for (i = 0; i < ist->nb_filters; i++)
294 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
297 /* end of sub2video hack */
299 static void term_exit_sigsafe(void)
303 tcsetattr (0, TCSANOW, &oldtty);
309 av_log(NULL, AV_LOG_QUIET, "%s", "");
313 static volatile int received_sigterm = 0;
314 static volatile int received_nb_signals = 0;
315 static volatile int transcode_init_done = 0;
316 static int main_return_code = 0;
319 sigterm_handler(int sig)
321 received_sigterm = sig;
322 received_nb_signals++;
324 if(received_nb_signals > 3)
335 istty = isatty(0) && isatty(2);
337 if (istty && tcgetattr (0, &tty) == 0) {
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 avformat_network_deinit();
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
360 signal(SIGXCPU, sigterm_handler);
364 /* read a key without blocking */
365 static int read_key(void)
377 n = select(1, &rfds, NULL, NULL, &tv);
386 # if HAVE_PEEKNAMEDPIPE
388 static HANDLE input_handle;
391 input_handle = GetStdHandle(STD_INPUT_HANDLE);
392 is_pipe = !GetConsoleMode(input_handle, &dw);
395 if (stdin->_cnt > 0) {
400 /* When running under a GUI, you will end here. */
401 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
402 // input pipe may have been closed by the program that ran ffmpeg
420 static int decode_interrupt_cb(void *ctx)
422 return received_nb_signals > transcode_init_done;
425 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
427 static void ffmpeg_cleanup(int ret)
432 int maxrss = getmaxrss() / 1024;
433 printf("bench: maxrss=%ikB\n", maxrss);
436 for (i = 0; i < nb_filtergraphs; i++) {
437 FilterGraph *fg = filtergraphs[i];
438 avfilter_graph_free(&fg->graph);
439 for (j = 0; j < fg->nb_inputs; j++) {
440 av_freep(&fg->inputs[j]->name);
441 av_freep(&fg->inputs[j]);
443 av_freep(&fg->inputs);
444 for (j = 0; j < fg->nb_outputs; j++) {
445 av_freep(&fg->outputs[j]->name);
446 av_freep(&fg->outputs[j]);
448 av_freep(&fg->outputs);
449 av_freep(&fg->graph_desc);
451 av_freep(&filtergraphs[i]);
453 av_freep(&filtergraphs);
455 av_freep(&subtitle_out);
458 for (i = 0; i < nb_output_files; i++) {
459 OutputFile *of = output_files[i];
460 AVFormatContext *s = of->ctx;
461 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
463 avformat_free_context(s);
464 av_dict_free(&of->opts);
466 av_freep(&output_files[i]);
468 for (i = 0; i < nb_output_streams; i++) {
469 OutputStream *ost = output_streams[i];
470 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
472 AVBitStreamFilterContext *next = bsfc->next;
473 av_bitstream_filter_close(bsfc);
476 ost->bitstream_filters = NULL;
477 av_frame_free(&ost->filtered_frame);
479 av_parser_close(ost->parser);
481 av_freep(&ost->forced_keyframes);
482 av_expr_free(ost->forced_keyframes_pexpr);
483 av_freep(&ost->avfilter);
484 av_freep(&ost->logfile_prefix);
486 av_freep(&ost->audio_channels_map);
487 ost->audio_channels_mapped = 0;
489 avcodec_free_context(&ost->enc_ctx);
491 av_freep(&output_streams[i]);
494 free_input_threads();
496 for (i = 0; i < nb_input_files; i++) {
497 avformat_close_input(&input_files[i]->ctx);
498 av_freep(&input_files[i]);
500 for (i = 0; i < nb_input_streams; i++) {
501 InputStream *ist = input_streams[i];
503 av_frame_free(&ist->decoded_frame);
504 av_frame_free(&ist->filter_frame);
505 av_dict_free(&ist->decoder_opts);
506 avsubtitle_free(&ist->prev_sub.subtitle);
507 av_frame_free(&ist->sub2video.frame);
508 av_freep(&ist->filters);
509 av_freep(&ist->hwaccel_device);
511 avcodec_free_context(&ist->dec_ctx);
513 av_freep(&input_streams[i]);
518 av_free(vstats_filename);
520 av_freep(&input_streams);
521 av_freep(&input_files);
522 av_freep(&output_streams);
523 av_freep(&output_files);
527 avformat_network_deinit();
529 if (received_sigterm) {
530 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
531 (int) received_sigterm);
532 } else if (ret && transcode_init_done) {
533 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
538 void remove_avoptions(AVDictionary **a, AVDictionary *b)
540 AVDictionaryEntry *t = NULL;
542 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
543 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
547 void assert_avoptions(AVDictionary *m)
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
556 static void abort_codec_experimental(AVCodec *c, int encoder)
561 static void update_benchmark(const char *fmt, ...)
563 if (do_benchmark_all) {
564 int64_t t = getutime();
570 vsnprintf(buf, sizeof(buf), fmt, va);
572 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
578 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
581 for (i = 0; i < nb_output_streams; i++) {
582 OutputStream *ost2 = output_streams[i];
583 ost2->finished |= ost == ost2 ? this_stream : others;
587 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
589 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
590 AVCodecContext *avctx = ost->st->codec;
593 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
594 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
595 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
598 * Audio encoders may split the packets -- #frames in != #packets out.
599 * But there is no reordering, so we can limit the number of output packets
600 * by simply dropping them here.
601 * Counting encoded video frames needs to be done separately because of
602 * reordering, see do_video_out()
604 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
605 if (ost->frame_number >= ost->max_frames) {
613 av_packet_split_side_data(pkt);
616 AVPacket new_pkt = *pkt;
617 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
618 &new_pkt.data, &new_pkt.size,
619 pkt->data, pkt->size,
620 pkt->flags & AV_PKT_FLAG_KEY);
621 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
622 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
624 memcpy(t, new_pkt.data, new_pkt.size);
625 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
633 pkt->side_data = NULL;
634 pkt->side_data_elems = 0;
636 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
637 av_buffer_default_free, NULL, 0);
641 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
642 bsfc->filter->name, pkt->stream_index,
643 avctx->codec ? avctx->codec->name : "copy");
653 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
655 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
656 pkt->dts != AV_NOPTS_VALUE &&
657 ost->last_mux_dts != AV_NOPTS_VALUE) {
658 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
659 if (pkt->dts < max) {
660 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
661 av_log(s, loglevel, "Non-monotonous DTS in output stream "
662 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
663 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
665 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
668 av_log(s, loglevel, "changing to %"PRId64". This may result "
669 "in incorrect timestamps in the output file.\n",
671 if(pkt->pts >= pkt->dts)
672 pkt->pts = FFMAX(pkt->pts, max);
676 if (pkt->dts != AV_NOPTS_VALUE &&
677 pkt->pts != AV_NOPTS_VALUE &&
678 pkt->dts > pkt->pts) {
679 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d\n",
681 ost->file_index, ost->st->index);
682 pkt->pts = AV_NOPTS_VALUE;
683 pkt->dts = AV_NOPTS_VALUE;
686 ost->last_mux_dts = pkt->dts;
688 ost->data_size += pkt->size;
689 ost->packets_written++;
691 pkt->stream_index = ost->index;
694 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
695 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
696 av_get_media_type_string(ost->enc_ctx->codec_type),
697 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
698 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
703 ret = av_interleaved_write_frame(s, pkt);
705 print_error("av_interleaved_write_frame()", ret);
706 main_return_code = 1;
707 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
712 static void close_output_stream(OutputStream *ost)
714 OutputFile *of = output_files[ost->file_index];
716 ost->finished |= ENCODER_FINISHED;
718 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
719 of->recording_time = FFMIN(of->recording_time, end);
723 static int check_recording_time(OutputStream *ost)
725 OutputFile *of = output_files[ost->file_index];
727 if (of->recording_time != INT64_MAX &&
728 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
729 AV_TIME_BASE_Q) >= 0) {
730 close_output_stream(ost);
736 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
739 AVCodecContext *enc = ost->enc_ctx;
743 av_init_packet(&pkt);
747 if (!check_recording_time(ost))
750 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
751 frame->pts = ost->sync_opts;
752 ost->sync_opts = frame->pts + frame->nb_samples;
753 ost->samples_encoded += frame->nb_samples;
754 ost->frames_encoded++;
756 av_assert0(pkt.size || !pkt.data);
757 update_benchmark(NULL);
759 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
760 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
761 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
762 enc->time_base.num, enc->time_base.den);
765 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
766 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
769 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
772 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
775 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
776 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
777 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
778 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
781 write_frame(s, &pkt, ost);
785 static void do_subtitle_out(AVFormatContext *s,
790 int subtitle_out_max_size = 1024 * 1024;
791 int subtitle_out_size, nb, i;
796 if (sub->pts == AV_NOPTS_VALUE) {
797 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
806 subtitle_out = av_malloc(subtitle_out_max_size);
809 /* Note: DVB subtitle need one packet to draw them and one other
810 packet to clear them */
811 /* XXX: signal it in the codec context ? */
812 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
817 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
819 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
820 pts -= output_files[ost->file_index]->start_time;
821 for (i = 0; i < nb; i++) {
822 unsigned save_num_rects = sub->num_rects;
824 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
825 if (!check_recording_time(ost))
829 // start_display_time is required to be 0
830 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
831 sub->end_display_time -= sub->start_display_time;
832 sub->start_display_time = 0;
836 ost->frames_encoded++;
838 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
839 subtitle_out_max_size, sub);
841 sub->num_rects = save_num_rects;
842 if (subtitle_out_size < 0) {
843 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
847 av_init_packet(&pkt);
848 pkt.data = subtitle_out;
849 pkt.size = subtitle_out_size;
850 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
851 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
852 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
853 /* XXX: the pts correction is handled here. Maybe handling
854 it in the codec would be better */
856 pkt.pts += 90 * sub->start_display_time;
858 pkt.pts += 90 * sub->end_display_time;
861 write_frame(s, &pkt, ost);
865 static void do_video_out(AVFormatContext *s,
869 int ret, format_video_sync;
871 AVCodecContext *enc = ost->enc_ctx;
872 AVCodecContext *mux_enc = ost->st->codec;
874 double sync_ipts, delta;
877 InputStream *ist = NULL;
879 if (ost->source_index >= 0)
880 ist = input_streams[ost->source_index];
882 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
883 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
885 sync_ipts = in_picture->pts;
886 delta = sync_ipts - ost->sync_opts + duration;
888 /* by default, we output a single frame */
891 format_video_sync = video_sync_method;
892 if (format_video_sync == VSYNC_AUTO) {
893 if(!strcmp(s->oformat->name, "avi")) {
894 format_video_sync = VSYNC_VFR;
896 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
898 && format_video_sync == VSYNC_CFR
899 && input_files[ist->file_index]->ctx->nb_streams == 1
900 && input_files[ist->file_index]->input_ts_offset == 0) {
901 format_video_sync = VSYNC_VSCFR;
903 if (format_video_sync == VSYNC_CFR && copy_ts) {
904 format_video_sync = VSYNC_VSCFR;
908 switch (format_video_sync) {
910 if (ost->frame_number == 0 && delta - duration >= 0.5) {
911 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
913 ost->sync_opts = lrint(sync_ipts);
916 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
919 else if (delta > 1.1)
920 nb_frames = lrintf(delta);
925 else if (delta > 0.6)
926 ost->sync_opts = lrint(sync_ipts);
929 case VSYNC_PASSTHROUGH:
930 ost->sync_opts = lrint(sync_ipts);
936 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
937 if (nb_frames == 0) {
939 av_log(NULL, AV_LOG_VERBOSE,
940 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
941 ost->frame_number, ost->st->index, in_picture->pts);
943 } else if (nb_frames > 1) {
944 if (nb_frames > dts_error_threshold * 30) {
945 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
949 nb_frames_dup += nb_frames - 1;
950 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
953 /* duplicates frame if needed */
954 for (i = 0; i < nb_frames; i++) {
955 av_init_packet(&pkt);
959 in_picture->pts = ost->sync_opts;
962 if (!check_recording_time(ost))
964 if (ost->frame_number >= ost->max_frames)
968 if (s->oformat->flags & AVFMT_RAWPICTURE &&
969 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
970 /* raw pictures are written as AVPicture structure to
971 avoid any copies. We support temporarily the older
973 mux_enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
974 mux_enc->coded_frame->top_field_first = in_picture->top_field_first;
975 if (mux_enc->coded_frame->interlaced_frame)
976 mux_enc->field_order = mux_enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
978 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
979 pkt.data = (uint8_t *)in_picture;
980 pkt.size = sizeof(AVPicture);
981 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
982 pkt.flags |= AV_PKT_FLAG_KEY;
984 write_frame(s, &pkt, ost);
986 int got_packet, forced_keyframe = 0;
989 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
990 ost->top_field_first >= 0)
991 in_picture->top_field_first = !!ost->top_field_first;
993 if (in_picture->interlaced_frame) {
994 if (enc->codec->id == AV_CODEC_ID_MJPEG)
995 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
997 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
999 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1001 in_picture->quality = enc->global_quality;
1002 if (!enc->me_threshold)
1003 in_picture->pict_type = 0;
1005 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1006 in_picture->pts * av_q2d(enc->time_base) : NAN;
1007 if (ost->forced_kf_index < ost->forced_kf_count &&
1008 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1009 ost->forced_kf_index++;
1010 forced_keyframe = 1;
1011 } else if (ost->forced_keyframes_pexpr) {
1013 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1014 res = av_expr_eval(ost->forced_keyframes_pexpr,
1015 ost->forced_keyframes_expr_const_values, NULL);
1016 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1017 ost->forced_keyframes_expr_const_values[FKF_N],
1018 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1019 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1020 ost->forced_keyframes_expr_const_values[FKF_T],
1021 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1024 forced_keyframe = 1;
1025 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1026 ost->forced_keyframes_expr_const_values[FKF_N];
1027 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1028 ost->forced_keyframes_expr_const_values[FKF_T];
1029 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1032 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1035 if (forced_keyframe) {
1036 in_picture->pict_type = AV_PICTURE_TYPE_I;
1037 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1040 update_benchmark(NULL);
1042 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1043 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1044 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1045 enc->time_base.num, enc->time_base.den);
1048 ost->frames_encoded++;
1050 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1051 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1053 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1059 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1060 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1061 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1062 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1065 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1066 pkt.pts = ost->sync_opts;
1068 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1071 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1072 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1073 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1074 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1077 frame_size = pkt.size;
1078 write_frame(s, &pkt, ost);
1080 /* if two pass, output log */
1081 if (ost->logfile && enc->stats_out) {
1082 fprintf(ost->logfile, "%s", enc->stats_out);
1088 * For video, number of frames in == number of packets out.
1089 * But there may be reordering, so we can't throw away frames on encoder
1090 * flush, we need to limit them here, before they go into encoder.
1092 ost->frame_number++;
1094 if (vstats_filename && frame_size)
1095 do_video_stats(ost, frame_size);
1099 static double psnr(double d)
1101 return -10.0 * log(d) / log(10.0);
1104 static void do_video_stats(OutputStream *ost, int frame_size)
1106 AVCodecContext *enc;
1108 double ti1, bitrate, avg_bitrate;
1110 /* this is executed just the first time do_video_stats is called */
1112 vstats_file = fopen(vstats_filename, "w");
1120 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1121 frame_number = ost->st->nb_frames;
1122 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1123 if (enc->flags&CODEC_FLAG_PSNR)
1124 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1126 fprintf(vstats_file,"f_size= %6d ", frame_size);
1127 /* compute pts value */
1128 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1132 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1133 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1134 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1135 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1136 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1140 static void finish_output_stream(OutputStream *ost)
1142 OutputFile *of = output_files[ost->file_index];
1145 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1148 for (i = 0; i < of->ctx->nb_streams; i++)
1149 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1154 * Get and encode new output from any of the filtergraphs, without causing
1157 * @return 0 for success, <0 for severe errors
1159 static int reap_filters(void)
1161 AVFrame *filtered_frame = NULL;
1165 /* Reap all buffers present in the buffer sinks */
1166 for (i = 0; i < nb_output_streams; i++) {
1167 OutputStream *ost = output_streams[i];
1168 OutputFile *of = output_files[ost->file_index];
1169 AVFilterContext *filter;
1170 AVCodecContext *enc = ost->enc_ctx;
1175 filter = ost->filter->filter;
1177 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1178 return AVERROR(ENOMEM);
1180 filtered_frame = ost->filtered_frame;
1183 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1184 AV_BUFFERSINK_FLAG_NO_REQUEST);
1186 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1187 av_log(NULL, AV_LOG_WARNING,
1188 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1192 if (ost->finished) {
1193 av_frame_unref(filtered_frame);
1196 frame_pts = AV_NOPTS_VALUE;
1197 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1198 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1199 filtered_frame->pts = frame_pts =
1200 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1201 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1203 //if (ost->source_index >= 0)
1204 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1206 switch (filter->inputs[0]->type) {
1207 case AVMEDIA_TYPE_VIDEO:
1208 filtered_frame->pts = frame_pts;
1209 if (!ost->frame_aspect_ratio.num)
1210 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1213 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1214 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1215 enc->time_base.num, enc->time_base.den);
1218 do_video_out(of->ctx, ost, filtered_frame);
1220 case AVMEDIA_TYPE_AUDIO:
1221 filtered_frame->pts = frame_pts;
1222 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1223 enc->channels != av_frame_get_channels(filtered_frame)) {
1224 av_log(NULL, AV_LOG_ERROR,
1225 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1228 do_audio_out(of->ctx, ost, filtered_frame);
1231 // TODO support subtitle filters
1235 av_frame_unref(filtered_frame);
1242 static void print_final_stats(int64_t total_size)
1244 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1245 uint64_t subtitle_size = 0;
1246 uint64_t data_size = 0;
1247 float percent = -1.0;
1250 for (i = 0; i < nb_output_streams; i++) {
1251 OutputStream *ost = output_streams[i];
1252 switch (ost->enc_ctx->codec_type) {
1253 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1254 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1255 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1256 default: other_size += ost->data_size; break;
1258 extra_size += ost->enc_ctx->extradata_size;
1259 data_size += ost->data_size;
1262 if (data_size && total_size>0 && total_size >= data_size)
1263 percent = 100.0 * (total_size - data_size) / data_size;
1265 av_log(NULL, AV_LOG_INFO, "\n");
1266 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1267 video_size / 1024.0,
1268 audio_size / 1024.0,
1269 subtitle_size / 1024.0,
1270 other_size / 1024.0,
1271 extra_size / 1024.0);
1273 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1275 av_log(NULL, AV_LOG_INFO, "unknown");
1276 av_log(NULL, AV_LOG_INFO, "\n");
1278 /* print verbose per-stream stats */
1279 for (i = 0; i < nb_input_files; i++) {
1280 InputFile *f = input_files[i];
1281 uint64_t total_packets = 0, total_size = 0;
1283 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1284 i, f->ctx->filename);
1286 for (j = 0; j < f->nb_streams; j++) {
1287 InputStream *ist = input_streams[f->ist_index + j];
1288 enum AVMediaType type = ist->dec_ctx->codec_type;
1290 total_size += ist->data_size;
1291 total_packets += ist->nb_packets;
1293 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1294 i, j, media_type_string(type));
1295 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1296 ist->nb_packets, ist->data_size);
1298 if (ist->decoding_needed) {
1299 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1300 ist->frames_decoded);
1301 if (type == AVMEDIA_TYPE_AUDIO)
1302 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1303 av_log(NULL, AV_LOG_VERBOSE, "; ");
1306 av_log(NULL, AV_LOG_VERBOSE, "\n");
1309 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1310 total_packets, total_size);
1313 for (i = 0; i < nb_output_files; i++) {
1314 OutputFile *of = output_files[i];
1315 uint64_t total_packets = 0, total_size = 0;
1317 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1318 i, of->ctx->filename);
1320 for (j = 0; j < of->ctx->nb_streams; j++) {
1321 OutputStream *ost = output_streams[of->ost_index + j];
1322 enum AVMediaType type = ost->enc_ctx->codec_type;
1324 total_size += ost->data_size;
1325 total_packets += ost->packets_written;
1327 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1328 i, j, media_type_string(type));
1329 if (ost->encoding_needed) {
1330 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1331 ost->frames_encoded);
1332 if (type == AVMEDIA_TYPE_AUDIO)
1333 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1334 av_log(NULL, AV_LOG_VERBOSE, "; ");
1337 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1338 ost->packets_written, ost->data_size);
1340 av_log(NULL, AV_LOG_VERBOSE, "\n");
1343 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1344 total_packets, total_size);
1346 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1347 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1351 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1354 AVBPrint buf_script;
1356 AVFormatContext *oc;
1358 AVCodecContext *enc;
1359 int frame_number, vid, i;
1361 int64_t pts = INT64_MIN;
1362 static int64_t last_time = -1;
1363 static int qp_histogram[52];
1364 int hours, mins, secs, us;
1366 if (!print_stats && !is_last_report && !progress_avio)
1369 if (!is_last_report) {
1370 if (last_time == -1) {
1371 last_time = cur_time;
1374 if ((cur_time - last_time) < 500000)
1376 last_time = cur_time;
1380 oc = output_files[0]->ctx;
1382 total_size = avio_size(oc->pb);
1383 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1384 total_size = avio_tell(oc->pb);
1388 av_bprint_init(&buf_script, 0, 1);
1389 for (i = 0; i < nb_output_streams; i++) {
1391 ost = output_streams[i];
1393 if (!ost->stream_copy && enc->coded_frame)
1394 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1395 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1396 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1397 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1398 ost->file_index, ost->index, q);
1400 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1401 float fps, t = (cur_time-timer_start) / 1000000.0;
1403 frame_number = ost->frame_number;
1404 fps = t > 1 ? frame_number / t : 0;
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1406 frame_number, fps < 9.95, fps, q);
1407 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1408 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1409 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1410 ost->file_index, ost->index, q);
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1416 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1418 for (j = 0; j < 32; j++)
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1421 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1423 double error, error_sum = 0;
1424 double scale, scale_sum = 0;
1426 char type[3] = { 'Y','U','V' };
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1428 for (j = 0; j < 3; j++) {
1429 if (is_last_report) {
1430 error = enc->error[j];
1431 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1433 error = enc->coded_frame->error[j];
1434 scale = enc->width * enc->height * 255.0 * 255.0;
1440 p = psnr(error / scale);
1441 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1442 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1443 ost->file_index, ost->index, type[j] | 32, p);
1445 p = psnr(error_sum / scale_sum);
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1447 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1448 ost->file_index, ost->index, p);
1452 /* compute min output value */
1453 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1454 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1455 ost->st->time_base, AV_TIME_BASE_Q));
1458 secs = pts / AV_TIME_BASE;
1459 us = pts % AV_TIME_BASE;
1465 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1467 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1469 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1470 "size=%8.0fkB time=", total_size / 1024.0);
1471 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1472 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1473 (100 * us) / AV_TIME_BASE);
1474 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1476 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1477 "bitrate=%6.1fkbits/s", bitrate);
1478 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1479 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1480 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1481 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1482 hours, mins, secs, us);
1484 if (nb_frames_dup || nb_frames_drop)
1485 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1486 nb_frames_dup, nb_frames_drop);
1487 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1488 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1490 if (print_stats || is_last_report) {
1491 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1492 fprintf(stderr, "%s \r", buf);
1494 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1499 if (progress_avio) {
1500 av_bprintf(&buf_script, "progress=%s\n",
1501 is_last_report ? "end" : "continue");
1502 avio_write(progress_avio, buf_script.str,
1503 FFMIN(buf_script.len, buf_script.size - 1));
1504 avio_flush(progress_avio);
1505 av_bprint_finalize(&buf_script, NULL);
1506 if (is_last_report) {
1507 avio_close(progress_avio);
1508 progress_avio = NULL;
1513 print_final_stats(total_size);
1516 static void flush_encoders(void)
1520 for (i = 0; i < nb_output_streams; i++) {
1521 OutputStream *ost = output_streams[i];
1522 AVCodecContext *enc = ost->enc_ctx;
1523 AVFormatContext *os = output_files[ost->file_index]->ctx;
1524 int stop_encoding = 0;
1526 if (!ost->encoding_needed)
1529 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1531 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1535 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1538 switch (enc->codec_type) {
1539 case AVMEDIA_TYPE_AUDIO:
1540 encode = avcodec_encode_audio2;
1543 case AVMEDIA_TYPE_VIDEO:
1544 encode = avcodec_encode_video2;
1555 av_init_packet(&pkt);
1559 update_benchmark(NULL);
1560 ret = encode(enc, &pkt, NULL, &got_packet);
1561 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1563 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1566 if (ost->logfile && enc->stats_out) {
1567 fprintf(ost->logfile, "%s", enc->stats_out);
1573 if (ost->finished & MUXER_FINISHED) {
1574 av_free_packet(&pkt);
1577 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1578 pkt_size = pkt.size;
1579 write_frame(os, &pkt, ost);
1580 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1581 do_video_stats(ost, pkt_size);
1592 * Check whether a packet from ist should be written into ost at this time
1594 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1596 OutputFile *of = output_files[ost->file_index];
1597 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1599 if (ost->source_index != ist_index)
1605 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1611 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1613 OutputFile *of = output_files[ost->file_index];
1614 InputFile *f = input_files [ist->file_index];
1615 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1616 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1617 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1621 av_init_packet(&opkt);
1623 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1624 !ost->copy_initial_nonkeyframes)
1627 if (pkt->pts == AV_NOPTS_VALUE) {
1628 if (!ost->frame_number && ist->pts < start_time &&
1629 !ost->copy_prior_start)
1632 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1633 !ost->copy_prior_start)
1637 if (of->recording_time != INT64_MAX &&
1638 ist->pts >= of->recording_time + start_time) {
1639 close_output_stream(ost);
1643 if (f->recording_time != INT64_MAX) {
1644 start_time = f->ctx->start_time;
1645 if (f->start_time != AV_NOPTS_VALUE)
1646 start_time += f->start_time;
1647 if (ist->pts >= f->recording_time + start_time) {
1648 close_output_stream(ost);
1653 /* force the input stream PTS */
1654 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1657 if (pkt->pts != AV_NOPTS_VALUE)
1658 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1660 opkt.pts = AV_NOPTS_VALUE;
1662 if (pkt->dts == AV_NOPTS_VALUE)
1663 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1665 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1666 opkt.dts -= ost_tb_start_time;
1668 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1669 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1671 duration = ist->dec_ctx->frame_size;
1672 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1673 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1674 ost->st->time_base) - ost_tb_start_time;
1677 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1678 opkt.flags = pkt->flags;
1680 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1681 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1682 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1683 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1684 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1686 if (av_parser_change(ost->parser, ost->st->codec,
1687 &opkt.data, &opkt.size,
1688 pkt->data, pkt->size,
1689 pkt->flags & AV_PKT_FLAG_KEY)) {
1690 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1695 opkt.data = pkt->data;
1696 opkt.size = pkt->size;
1698 av_copy_packet_side_data(&opkt, pkt);
1700 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1701 /* store AVPicture in AVPacket, as expected by the output format */
1702 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1703 opkt.data = (uint8_t *)&pict;
1704 opkt.size = sizeof(AVPicture);
1705 opkt.flags |= AV_PKT_FLAG_KEY;
1708 write_frame(of->ctx, &opkt, ost);
1711 int guess_input_channel_layout(InputStream *ist)
1713 AVCodecContext *dec = ist->dec_ctx;
1715 if (!dec->channel_layout) {
1716 char layout_name[256];
1718 if (dec->channels > ist->guess_layout_max)
1720 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1721 if (!dec->channel_layout)
1723 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1724 dec->channels, dec->channel_layout);
1725 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1726 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1731 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1733 AVFrame *decoded_frame, *f;
1734 AVCodecContext *avctx = ist->dec_ctx;
1735 int i, ret, err = 0, resample_changed;
1736 AVRational decoded_frame_tb;
1738 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1739 return AVERROR(ENOMEM);
1740 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1741 return AVERROR(ENOMEM);
1742 decoded_frame = ist->decoded_frame;
1744 update_benchmark(NULL);
1745 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1746 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1748 if (ret >= 0 && avctx->sample_rate <= 0) {
1749 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1750 ret = AVERROR_INVALIDDATA;
1753 if (*got_output || ret<0 || pkt->size)
1754 decode_error_stat[ret<0] ++;
1756 if (!*got_output || ret < 0) {
1758 for (i = 0; i < ist->nb_filters; i++)
1760 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1762 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1768 ist->samples_decoded += decoded_frame->nb_samples;
1769 ist->frames_decoded++;
1772 /* increment next_dts to use for the case where the input stream does not
1773 have timestamps or there are multiple frames in the packet */
1774 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1776 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1780 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1781 ist->resample_channels != avctx->channels ||
1782 ist->resample_channel_layout != decoded_frame->channel_layout ||
1783 ist->resample_sample_rate != decoded_frame->sample_rate;
1784 if (resample_changed) {
1785 char layout1[64], layout2[64];
1787 if (!guess_input_channel_layout(ist)) {
1788 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1789 "layout for Input Stream #%d.%d\n", ist->file_index,
1793 decoded_frame->channel_layout = avctx->channel_layout;
1795 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1796 ist->resample_channel_layout);
1797 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1798 decoded_frame->channel_layout);
1800 av_log(NULL, AV_LOG_INFO,
1801 "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",
1802 ist->file_index, ist->st->index,
1803 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1804 ist->resample_channels, layout1,
1805 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1806 avctx->channels, layout2);
1808 ist->resample_sample_fmt = decoded_frame->format;
1809 ist->resample_sample_rate = decoded_frame->sample_rate;
1810 ist->resample_channel_layout = decoded_frame->channel_layout;
1811 ist->resample_channels = avctx->channels;
1813 for (i = 0; i < nb_filtergraphs; i++)
1814 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1815 FilterGraph *fg = filtergraphs[i];
1817 if (configure_filtergraph(fg) < 0) {
1818 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1821 for (j = 0; j < fg->nb_outputs; j++) {
1822 OutputStream *ost = fg->outputs[j]->ost;
1823 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1824 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1825 av_buffersink_set_frame_size(ost->filter->filter,
1826 ost->enc_ctx->frame_size);
1831 /* if the decoder provides a pts, use it instead of the last packet pts.
1832 the decoder could be delaying output by a packet or more. */
1833 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1834 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1835 decoded_frame_tb = avctx->time_base;
1836 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1837 decoded_frame->pts = decoded_frame->pkt_pts;
1838 decoded_frame_tb = ist->st->time_base;
1839 } else if (pkt->pts != AV_NOPTS_VALUE) {
1840 decoded_frame->pts = pkt->pts;
1841 decoded_frame_tb = ist->st->time_base;
1843 decoded_frame->pts = ist->dts;
1844 decoded_frame_tb = AV_TIME_BASE_Q;
1846 pkt->pts = AV_NOPTS_VALUE;
1847 if (decoded_frame->pts != AV_NOPTS_VALUE)
1848 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1849 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1850 (AVRational){1, avctx->sample_rate});
1851 for (i = 0; i < ist->nb_filters; i++) {
1852 if (i < ist->nb_filters - 1) {
1853 f = ist->filter_frame;
1854 err = av_frame_ref(f, decoded_frame);
1859 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1860 AV_BUFFERSRC_FLAG_PUSH);
1861 if (err == AVERROR_EOF)
1862 err = 0; /* ignore */
1866 decoded_frame->pts = AV_NOPTS_VALUE;
1868 av_frame_unref(ist->filter_frame);
1869 av_frame_unref(decoded_frame);
1870 return err < 0 ? err : ret;
1873 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1875 AVFrame *decoded_frame, *f;
1876 int i, ret = 0, err = 0, resample_changed;
1877 int64_t best_effort_timestamp;
1878 AVRational *frame_sample_aspect;
1880 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1881 return AVERROR(ENOMEM);
1882 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1883 return AVERROR(ENOMEM);
1884 decoded_frame = ist->decoded_frame;
1885 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1887 update_benchmark(NULL);
1888 ret = avcodec_decode_video2(ist->dec_ctx,
1889 decoded_frame, got_output, pkt);
1890 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1892 // The following line may be required in some cases where there is no parser
1893 // or the parser does not has_b_frames correctly
1894 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1895 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1896 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1898 av_log_ask_for_sample(
1900 "has_b_frames is larger in decoder than demuxer %d > %d ",
1901 ist->dec_ctx->has_b_frames,
1902 ist->st->codec->has_b_frames
1906 if (*got_output || ret<0 || pkt->size)
1907 decode_error_stat[ret<0] ++;
1909 if (!*got_output || ret < 0) {
1911 for (i = 0; i < ist->nb_filters; i++)
1913 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1915 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1921 if(ist->top_field_first>=0)
1922 decoded_frame->top_field_first = ist->top_field_first;
1924 ist->frames_decoded++;
1926 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1927 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
1931 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1933 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1934 if(best_effort_timestamp != AV_NOPTS_VALUE)
1935 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1938 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1939 "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",
1940 ist->st->index, av_ts2str(decoded_frame->pts),
1941 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1942 best_effort_timestamp,
1943 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1944 decoded_frame->key_frame, decoded_frame->pict_type,
1945 ist->st->time_base.num, ist->st->time_base.den);
1950 if (ist->st->sample_aspect_ratio.num)
1951 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1953 resample_changed = ist->resample_width != decoded_frame->width ||
1954 ist->resample_height != decoded_frame->height ||
1955 ist->resample_pix_fmt != decoded_frame->format;
1956 if (resample_changed) {
1957 av_log(NULL, AV_LOG_INFO,
1958 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1959 ist->file_index, ist->st->index,
1960 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1961 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1963 ist->resample_width = decoded_frame->width;
1964 ist->resample_height = decoded_frame->height;
1965 ist->resample_pix_fmt = decoded_frame->format;
1967 for (i = 0; i < nb_filtergraphs; i++) {
1968 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1969 configure_filtergraph(filtergraphs[i]) < 0) {
1970 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1976 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1977 for (i = 0; i < ist->nb_filters; i++) {
1978 if (!frame_sample_aspect->num)
1979 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1981 if (i < ist->nb_filters - 1) {
1982 f = ist->filter_frame;
1983 err = av_frame_ref(f, decoded_frame);
1988 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1989 if (ret == AVERROR_EOF) {
1990 ret = 0; /* ignore */
1991 } else if (ret < 0) {
1992 av_log(NULL, AV_LOG_FATAL,
1993 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1999 av_frame_unref(ist->filter_frame);
2000 av_frame_unref(decoded_frame);
2001 return err < 0 ? err : ret;
2004 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2006 AVSubtitle subtitle;
2007 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2008 &subtitle, got_output, pkt);
2010 if (*got_output || ret<0 || pkt->size)
2011 decode_error_stat[ret<0] ++;
2013 if (ret < 0 || !*got_output) {
2015 sub2video_flush(ist);
2019 if (ist->fix_sub_duration) {
2021 if (ist->prev_sub.got_output) {
2022 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2023 1000, AV_TIME_BASE);
2024 if (end < ist->prev_sub.subtitle.end_display_time) {
2025 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2026 "Subtitle duration reduced from %d to %d%s\n",
2027 ist->prev_sub.subtitle.end_display_time, end,
2028 end <= 0 ? ", dropping it" : "");
2029 ist->prev_sub.subtitle.end_display_time = end;
2032 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2033 FFSWAP(int, ret, ist->prev_sub.ret);
2034 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2042 sub2video_update(ist, &subtitle);
2044 if (!subtitle.num_rects)
2047 ist->frames_decoded++;
2049 for (i = 0; i < nb_output_streams; i++) {
2050 OutputStream *ost = output_streams[i];
2052 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2053 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2056 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2060 avsubtitle_free(&subtitle);
2064 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2065 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2071 if (!ist->saw_first_ts) {
2072 ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2074 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2075 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2076 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2078 ist->saw_first_ts = 1;
2081 if (ist->next_dts == AV_NOPTS_VALUE)
2082 ist->next_dts = ist->dts;
2083 if (ist->next_pts == AV_NOPTS_VALUE)
2084 ist->next_pts = ist->pts;
2088 av_init_packet(&avpkt);
2096 if (pkt->dts != AV_NOPTS_VALUE) {
2097 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2098 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2099 ist->next_pts = ist->pts = ist->dts;
2102 // while we have more to decode or while the decoder did output something on EOF
2103 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2107 ist->pts = ist->next_pts;
2108 ist->dts = ist->next_dts;
2110 if (avpkt.size && avpkt.size != pkt->size &&
2111 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2112 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2113 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2114 ist->showed_multi_packet_warning = 1;
2117 switch (ist->dec_ctx->codec_type) {
2118 case AVMEDIA_TYPE_AUDIO:
2119 ret = decode_audio (ist, &avpkt, &got_output);
2121 case AVMEDIA_TYPE_VIDEO:
2122 ret = decode_video (ist, &avpkt, &got_output);
2123 if (avpkt.duration) {
2124 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2125 } else if(ist->dec_ctx->time_base.num != 0 && ist->dec_ctx->time_base.den != 0) {
2126 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2127 duration = ((int64_t)AV_TIME_BASE *
2128 ist->dec_ctx->time_base.num * ticks) /
2129 ist->dec_ctx->time_base.den;
2133 if(ist->dts != AV_NOPTS_VALUE && duration) {
2134 ist->next_dts += duration;
2136 ist->next_dts = AV_NOPTS_VALUE;
2139 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2141 case AVMEDIA_TYPE_SUBTITLE:
2142 ret = transcode_subtitles(ist, &avpkt, &got_output);
2152 avpkt.pts= AV_NOPTS_VALUE;
2154 // touch data and size only if not EOF
2156 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2164 if (got_output && !pkt)
2168 /* handle stream copy */
2169 if (!ist->decoding_needed) {
2170 ist->dts = ist->next_dts;
2171 switch (ist->dec_ctx->codec_type) {
2172 case AVMEDIA_TYPE_AUDIO:
2173 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2174 ist->dec_ctx->sample_rate;
2176 case AVMEDIA_TYPE_VIDEO:
2177 if (ist->framerate.num) {
2178 // TODO: Remove work-around for c99-to-c89 issue 7
2179 AVRational time_base_q = AV_TIME_BASE_Q;
2180 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2181 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2182 } else if (pkt->duration) {
2183 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2184 } else if(ist->dec_ctx->time_base.num != 0) {
2185 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2186 ist->next_dts += ((int64_t)AV_TIME_BASE *
2187 ist->dec_ctx->time_base.num * ticks) /
2188 ist->dec_ctx->time_base.den;
2192 ist->pts = ist->dts;
2193 ist->next_pts = ist->next_dts;
2195 for (i = 0; pkt && i < nb_output_streams; i++) {
2196 OutputStream *ost = output_streams[i];
2198 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2201 do_streamcopy(ist, ost, pkt);
2207 static void print_sdp(void)
2211 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2215 for (i = 0; i < nb_output_files; i++)
2216 avc[i] = output_files[i]->ctx;
2218 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2219 printf("SDP:\n%s\n", sdp);
2224 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2227 for (i = 0; hwaccels[i].name; i++)
2228 if (hwaccels[i].pix_fmt == pix_fmt)
2229 return &hwaccels[i];
2233 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2235 InputStream *ist = s->opaque;
2236 const enum AVPixelFormat *p;
2239 for (p = pix_fmts; *p != -1; p++) {
2240 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2241 const HWAccel *hwaccel;
2243 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2246 hwaccel = get_hwaccel(*p);
2248 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2249 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2252 ret = hwaccel->init(s);
2254 if (ist->hwaccel_id == hwaccel->id) {
2255 av_log(NULL, AV_LOG_FATAL,
2256 "%s hwaccel requested for input stream #%d:%d, "
2257 "but cannot be initialized.\n", hwaccel->name,
2258 ist->file_index, ist->st->index);
2263 ist->active_hwaccel_id = hwaccel->id;
2264 ist->hwaccel_pix_fmt = *p;
2271 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2273 InputStream *ist = s->opaque;
2275 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2276 return ist->hwaccel_get_buffer(s, frame, flags);
2278 return avcodec_default_get_buffer2(s, frame, flags);
2281 static int init_input_stream(int ist_index, char *error, int error_len)
2284 InputStream *ist = input_streams[ist_index];
2286 if (ist->decoding_needed) {
2287 AVCodec *codec = ist->dec;
2289 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2290 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2291 return AVERROR(EINVAL);
2294 ist->dec_ctx->opaque = ist;
2295 ist->dec_ctx->get_format = get_format;
2296 ist->dec_ctx->get_buffer2 = get_buffer;
2297 ist->dec_ctx->thread_safe_callbacks = 1;
2299 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2300 if(ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
2301 av_dict_set(&ist->decoder_opts, "compute_edt", "1", 0);
2303 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2304 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2305 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2306 if (ret == AVERROR_EXPERIMENTAL)
2307 abort_codec_experimental(codec, 0);
2309 snprintf(error, error_len,
2310 "Error while opening decoder for input stream "
2312 ist->file_index, ist->st->index, av_err2str(ret));
2315 assert_avoptions(ist->decoder_opts);
2318 ist->next_pts = AV_NOPTS_VALUE;
2319 ist->next_dts = AV_NOPTS_VALUE;
2324 static InputStream *get_input_stream(OutputStream *ost)
2326 if (ost->source_index >= 0)
2327 return input_streams[ost->source_index];
2331 static int compare_int64(const void *a, const void *b)
2333 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2334 return va < vb ? -1 : va > vb ? +1 : 0;
2337 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2338 AVCodecContext *avctx)
2341 int n = 1, i, size, index = 0;
2344 for (p = kf; *p; p++)
2348 pts = av_malloc_array(size, sizeof(*pts));
2350 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2355 for (i = 0; i < n; i++) {
2356 char *next = strchr(p, ',');
2361 if (!memcmp(p, "chapters", 8)) {
2363 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2366 if (avf->nb_chapters > INT_MAX - size ||
2367 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2369 av_log(NULL, AV_LOG_FATAL,
2370 "Could not allocate forced key frames array.\n");
2373 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2374 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2376 for (j = 0; j < avf->nb_chapters; j++) {
2377 AVChapter *c = avf->chapters[j];
2378 av_assert1(index < size);
2379 pts[index++] = av_rescale_q(c->start, c->time_base,
2380 avctx->time_base) + t;
2385 t = parse_time_or_die("force_key_frames", p, 1);
2386 av_assert1(index < size);
2387 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2394 av_assert0(index == size);
2395 qsort(pts, size, sizeof(*pts), compare_int64);
2396 ost->forced_kf_count = size;
2397 ost->forced_kf_pts = pts;
2400 static void report_new_stream(int input_index, AVPacket *pkt)
2402 InputFile *file = input_files[input_index];
2403 AVStream *st = file->ctx->streams[pkt->stream_index];
2405 if (pkt->stream_index < file->nb_streams_warn)
2407 av_log(file->ctx, AV_LOG_WARNING,
2408 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2409 av_get_media_type_string(st->codec->codec_type),
2410 input_index, pkt->stream_index,
2411 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2412 file->nb_streams_warn = pkt->stream_index + 1;
2415 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2417 AVDictionaryEntry *e;
2419 uint8_t *encoder_string;
2420 int encoder_string_len;
2421 int format_flags = 0;
2422 int codec_flags = 0;
2424 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2427 e = av_dict_get(of->opts, "fflags", NULL, 0);
2429 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2432 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2434 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2436 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2439 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2442 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2443 encoder_string = av_mallocz(encoder_string_len);
2444 if (!encoder_string)
2447 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2448 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2450 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2451 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2452 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2453 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2456 static int transcode_init(void)
2458 int ret = 0, i, j, k;
2459 AVFormatContext *oc;
2465 for (i = 0; i < nb_filtergraphs; i++) {
2466 FilterGraph *fg = filtergraphs[i];
2467 for (j = 0; j < fg->nb_outputs; j++) {
2468 OutputFilter *ofilter = fg->outputs[j];
2469 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2471 if (fg->nb_inputs != 1)
2473 for (k = nb_input_streams-1; k >= 0 ; k--)
2474 if (fg->inputs[0]->ist == input_streams[k])
2476 ofilter->ost->source_index = k;
2480 /* init framerate emulation */
2481 for (i = 0; i < nb_input_files; i++) {
2482 InputFile *ifile = input_files[i];
2483 if (ifile->rate_emu)
2484 for (j = 0; j < ifile->nb_streams; j++)
2485 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2488 /* output stream init */
2489 for (i = 0; i < nb_output_files; i++) {
2490 oc = output_files[i]->ctx;
2491 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2492 av_dump_format(oc, i, oc->filename, 1);
2493 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2494 return AVERROR(EINVAL);
2498 /* init complex filtergraphs */
2499 for (i = 0; i < nb_filtergraphs; i++)
2500 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2503 /* for each output stream, we compute the right encoding parameters */
2504 for (i = 0; i < nb_output_streams; i++) {
2505 AVCodecContext *enc_ctx;
2506 AVCodecContext *dec_ctx = NULL;
2507 ost = output_streams[i];
2508 oc = output_files[ost->file_index]->ctx;
2509 ist = get_input_stream(ost);
2511 if (ost->attachment_filename)
2514 enc_ctx = ost->enc_ctx;
2517 dec_ctx = ist->dec_ctx;
2519 ost->st->disposition = ist->st->disposition;
2520 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2521 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2523 for (j=0; j<oc->nb_streams; j++) {
2524 AVStream *st = oc->streams[j];
2525 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2528 if (j == oc->nb_streams)
2529 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2530 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2533 if (ost->stream_copy) {
2535 uint64_t extra_size;
2537 av_assert0(ist && !ost->filter);
2539 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2541 if (extra_size > INT_MAX) {
2542 return AVERROR(EINVAL);
2545 /* if stream_copy is selected, no need to decode or encode */
2546 enc_ctx->codec_id = dec_ctx->codec_id;
2547 enc_ctx->codec_type = dec_ctx->codec_type;
2549 if (!enc_ctx->codec_tag) {
2550 unsigned int codec_tag;
2551 if (!oc->oformat->codec_tag ||
2552 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2553 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2554 enc_ctx->codec_tag = dec_ctx->codec_tag;
2557 enc_ctx->bit_rate = dec_ctx->bit_rate;
2558 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2559 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2560 enc_ctx->field_order = dec_ctx->field_order;
2561 enc_ctx->extradata = av_mallocz(extra_size);
2562 if (!enc_ctx->extradata) {
2563 return AVERROR(ENOMEM);
2565 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2566 enc_ctx->extradata_size= dec_ctx->extradata_size;
2567 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2569 enc_ctx->time_base = ist->st->time_base;
2571 * Avi is a special case here because it supports variable fps but
2572 * having the fps and timebase differe significantly adds quite some
2575 if(!strcmp(oc->oformat->name, "avi")) {
2576 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2577 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2578 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2579 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2581 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2582 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2583 enc_ctx->ticks_per_frame = 2;
2584 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2585 && av_q2d(ist->st->time_base) < 1.0/500
2587 enc_ctx->time_base = dec_ctx->time_base;
2588 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2589 enc_ctx->time_base.den *= 2;
2590 enc_ctx->ticks_per_frame = 2;
2592 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2593 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2594 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2595 && strcmp(oc->oformat->name, "f4v")
2597 if( copy_tb<0 && dec_ctx->time_base.den
2598 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2599 && av_q2d(ist->st->time_base) < 1.0/500
2601 enc_ctx->time_base = dec_ctx->time_base;
2602 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2605 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2606 && dec_ctx->time_base.num < dec_ctx->time_base.den
2607 && dec_ctx->time_base.num > 0
2608 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2609 enc_ctx->time_base = dec_ctx->time_base;
2612 if (ist && !ost->frame_rate.num)
2613 ost->frame_rate = ist->framerate;
2614 if(ost->frame_rate.num)
2615 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2617 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2618 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2620 ost->parser = av_parser_init(enc_ctx->codec_id);
2622 switch (enc_ctx->codec_type) {
2623 case AVMEDIA_TYPE_AUDIO:
2624 if (audio_volume != 256) {
2625 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2628 enc_ctx->channel_layout = dec_ctx->channel_layout;
2629 enc_ctx->sample_rate = dec_ctx->sample_rate;
2630 enc_ctx->channels = dec_ctx->channels;
2631 enc_ctx->frame_size = dec_ctx->frame_size;
2632 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2633 enc_ctx->block_align = dec_ctx->block_align;
2634 enc_ctx->delay = dec_ctx->delay;
2635 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2636 enc_ctx->block_align= 0;
2637 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2638 enc_ctx->block_align= 0;
2640 case AVMEDIA_TYPE_VIDEO:
2641 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2642 enc_ctx->width = dec_ctx->width;
2643 enc_ctx->height = dec_ctx->height;
2644 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2645 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2647 av_mul_q(ost->frame_aspect_ratio,
2648 (AVRational){ enc_ctx->height, enc_ctx->width });
2649 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2650 "with stream copy may produce invalid files\n");
2652 else if (ist->st->sample_aspect_ratio.num)
2653 sar = ist->st->sample_aspect_ratio;
2655 sar = dec_ctx->sample_aspect_ratio;
2656 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2657 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2659 case AVMEDIA_TYPE_SUBTITLE:
2660 enc_ctx->width = dec_ctx->width;
2661 enc_ctx->height = dec_ctx->height;
2663 case AVMEDIA_TYPE_DATA:
2664 case AVMEDIA_TYPE_ATTACHMENT:
2671 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2673 /* should only happen when a default codec is not present. */
2674 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2675 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2676 ret = AVERROR(EINVAL);
2681 ist->decoding_needed++;
2682 ost->encoding_needed = 1;
2684 set_encoder_id(output_files[ost->file_index], ost);
2687 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2688 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2690 fg = init_simple_filtergraph(ist, ost);
2691 if (configure_filtergraph(fg)) {
2692 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2697 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2698 if (ost->filter && !ost->frame_rate.num)
2699 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2700 if (ist && !ost->frame_rate.num)
2701 ost->frame_rate = ist->framerate;
2702 if (ist && !ost->frame_rate.num)
2703 ost->frame_rate = ist->st->r_frame_rate;
2704 if (ist && !ost->frame_rate.num) {
2705 ost->frame_rate = (AVRational){25, 1};
2706 av_log(NULL, AV_LOG_WARNING,
2708 "about the input framerate is available. Falling "
2709 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2710 "if you want a different framerate.\n",
2711 ost->file_index, ost->index);
2713 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2714 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2715 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2716 ost->frame_rate = ost->enc->supported_framerates[idx];
2718 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2719 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2720 ost->frame_rate.num, ost->frame_rate.den, 65535);
2724 switch (enc_ctx->codec_type) {
2725 case AVMEDIA_TYPE_AUDIO:
2726 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2727 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2728 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2729 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2730 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2732 case AVMEDIA_TYPE_VIDEO:
2733 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2734 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2735 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2736 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2737 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2738 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2739 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2741 for (j = 0; j < ost->forced_kf_count; j++)
2742 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2744 enc_ctx->time_base);
2746 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2747 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2748 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2749 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2750 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2751 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2752 if (!strncmp(ost->enc->name, "libx264", 7) &&
2753 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2754 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2755 av_log(NULL, AV_LOG_WARNING,
2756 "No pixel format specified, %s for H.264 encoding chosen.\n"
2757 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2758 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2759 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2760 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2761 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2762 av_log(NULL, AV_LOG_WARNING,
2763 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2764 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2765 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2766 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2768 ost->st->avg_frame_rate = ost->frame_rate;
2771 enc_ctx->width != dec_ctx->width ||
2772 enc_ctx->height != dec_ctx->height ||
2773 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2774 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2777 if (ost->forced_keyframes) {
2778 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2779 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2780 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2782 av_log(NULL, AV_LOG_ERROR,
2783 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2786 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2787 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2788 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2789 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2791 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2795 case AVMEDIA_TYPE_SUBTITLE:
2796 enc_ctx->time_base = (AVRational){1, 1000};
2797 if (!enc_ctx->width) {
2798 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2799 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2807 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2808 char logfilename[1024];
2811 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2812 ost->logfile_prefix ? ost->logfile_prefix :
2813 DEFAULT_PASS_LOGFILENAME_PREFIX,
2815 if (!strcmp(ost->enc->name, "libx264")) {
2816 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2818 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2820 size_t logbuffer_size;
2821 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2822 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2826 enc_ctx->stats_in = logbuffer;
2828 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2829 f = av_fopen_utf8(logfilename, "wb");
2831 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2832 logfilename, strerror(errno));
2842 /* open each encoder */
2843 for (i = 0; i < nb_output_streams; i++) {
2844 ost = output_streams[i];
2845 if (ost->encoding_needed) {
2846 AVCodec *codec = ost->enc;
2847 AVCodecContext *dec = NULL;
2849 if ((ist = get_input_stream(ost)))
2851 if (dec && dec->subtitle_header) {
2852 /* ASS code assumes this buffer is null terminated so add extra byte. */
2853 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2854 if (!ost->enc_ctx->subtitle_header) {
2855 ret = AVERROR(ENOMEM);
2858 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2859 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2861 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2862 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2863 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
2865 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2866 if (ret == AVERROR_EXPERIMENTAL)
2867 abort_codec_experimental(codec, 1);
2868 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2869 ost->file_index, ost->index);
2872 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2873 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2874 av_buffersink_set_frame_size(ost->filter->filter,
2875 ost->enc_ctx->frame_size);
2876 assert_avoptions(ost->encoder_opts);
2877 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2878 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2879 " It takes bits/s as argument, not kbits/s\n");
2881 if (av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts) < 0) {
2882 av_log(NULL, AV_LOG_FATAL,
2883 "Error setting up codec context options.\n");
2888 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2890 av_log(NULL, AV_LOG_FATAL,
2891 "Error initializing the output stream codec context.\n");
2894 ost->st->codec->codec= ost->enc_ctx->codec;
2896 // copy timebase while removing common factors
2897 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
2900 /* init input streams */
2901 for (i = 0; i < nb_input_streams; i++)
2902 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2903 for (i = 0; i < nb_output_streams; i++) {
2904 ost = output_streams[i];
2905 avcodec_close(ost->enc_ctx);
2910 /* discard unused programs */
2911 for (i = 0; i < nb_input_files; i++) {
2912 InputFile *ifile = input_files[i];
2913 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2914 AVProgram *p = ifile->ctx->programs[j];
2915 int discard = AVDISCARD_ALL;
2917 for (k = 0; k < p->nb_stream_indexes; k++)
2918 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2919 discard = AVDISCARD_DEFAULT;
2922 p->discard = discard;
2926 /* open files and write file headers */
2927 for (i = 0; i < nb_output_files; i++) {
2928 oc = output_files[i]->ctx;
2929 oc->interrupt_callback = int_cb;
2930 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2931 snprintf(error, sizeof(error),
2932 "Could not write header for output file #%d "
2933 "(incorrect codec parameters ?): %s",
2934 i, av_err2str(ret));
2935 ret = AVERROR(EINVAL);
2938 // assert_avoptions(output_files[i]->opts);
2939 if (strcmp(oc->oformat->name, "rtp")) {
2945 /* dump the file output parameters - cannot be done before in case
2947 for (i = 0; i < nb_output_files; i++) {
2948 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2951 /* dump the stream mapping */
2952 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2953 for (i = 0; i < nb_input_streams; i++) {
2954 ist = input_streams[i];
2956 for (j = 0; j < ist->nb_filters; j++) {
2957 if (ist->filters[j]->graph->graph_desc) {
2958 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2959 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2960 ist->filters[j]->name);
2961 if (nb_filtergraphs > 1)
2962 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2963 av_log(NULL, AV_LOG_INFO, "\n");
2968 for (i = 0; i < nb_output_streams; i++) {
2969 ost = output_streams[i];
2971 if (ost->attachment_filename) {
2972 /* an attached file */
2973 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2974 ost->attachment_filename, ost->file_index, ost->index);
2978 if (ost->filter && ost->filter->graph->graph_desc) {
2979 /* output from a complex graph */
2980 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2981 if (nb_filtergraphs > 1)
2982 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2984 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2985 ost->index, ost->enc ? ost->enc->name : "?");
2989 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2990 input_streams[ost->source_index]->file_index,
2991 input_streams[ost->source_index]->st->index,
2994 if (ost->sync_ist != input_streams[ost->source_index])
2995 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2996 ost->sync_ist->file_index,
2997 ost->sync_ist->st->index);
2998 if (ost->stream_copy)
2999 av_log(NULL, AV_LOG_INFO, " (copy)");
3001 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3002 const AVCodec *out_codec = ost->enc;
3003 const char *decoder_name = "?";
3004 const char *in_codec_name = "?";
3005 const char *encoder_name = "?";
3006 const char *out_codec_name = "?";
3009 decoder_name = in_codec->name;
3010 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
3011 if (!strcmp(decoder_name, in_codec_name))
3012 decoder_name = "native";
3016 encoder_name = out_codec->name;
3017 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3018 if (!strcmp(encoder_name, out_codec_name))
3019 encoder_name = "native";
3022 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3023 in_codec_name, decoder_name,
3024 out_codec_name, encoder_name);
3026 av_log(NULL, AV_LOG_INFO, "\n");
3030 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3038 transcode_init_done = 1;
3043 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3044 static int need_output(void)
3048 for (i = 0; i < nb_output_streams; i++) {
3049 OutputStream *ost = output_streams[i];
3050 OutputFile *of = output_files[ost->file_index];
3051 AVFormatContext *os = output_files[ost->file_index]->ctx;
3053 if (ost->finished ||
3054 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3056 if (ost->frame_number >= ost->max_frames) {
3058 for (j = 0; j < of->ctx->nb_streams; j++)
3059 close_output_stream(output_streams[of->ost_index + j]);
3070 * Select the output stream to process.
3072 * @return selected output stream, or NULL if none available
3074 static OutputStream *choose_output(void)
3077 int64_t opts_min = INT64_MAX;
3078 OutputStream *ost_min = NULL;
3080 for (i = 0; i < nb_output_streams; i++) {
3081 OutputStream *ost = output_streams[i];
3082 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3084 if (!ost->unavailable && !ost->finished && opts < opts_min) {
3092 static int check_keyboard_interaction(int64_t cur_time)
3095 static int64_t last_time;
3096 if (received_nb_signals)
3097 return AVERROR_EXIT;
3098 /* read_key() returns 0 on EOF */
3099 if(cur_time - last_time >= 100000 && !run_as_daemon){
3101 last_time = cur_time;
3105 return AVERROR_EXIT;
3106 if (key == '+') av_log_set_level(av_log_get_level()+10);
3107 if (key == '-') av_log_set_level(av_log_get_level()-10);
3108 if (key == 's') qp_hist ^= 1;
3111 do_hex_dump = do_pkt_dump = 0;
3112 } else if(do_pkt_dump){
3116 av_log_set_level(AV_LOG_DEBUG);
3118 if (key == 'c' || key == 'C'){
3119 char buf[4096], target[64], command[256], arg[256] = {0};
3122 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3124 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3129 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3130 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3131 target, time, command, arg);
3132 for (i = 0; i < nb_filtergraphs; i++) {
3133 FilterGraph *fg = filtergraphs[i];
3136 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3137 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3138 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3139 } else if (key == 'c') {
3140 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3141 ret = AVERROR_PATCHWELCOME;
3143 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3148 av_log(NULL, AV_LOG_ERROR,
3149 "Parse error, at least 3 arguments were expected, "
3150 "only %d given in string '%s'\n", n, buf);
3153 if (key == 'd' || key == 'D'){
3156 debug = input_streams[0]->st->codec->debug<<1;
3157 if(!debug) debug = 1;
3158 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3161 if(scanf("%d", &debug)!=1)
3162 fprintf(stderr,"error parsing debug value\n");
3163 for(i=0;i<nb_input_streams;i++) {
3164 input_streams[i]->st->codec->debug = debug;
3166 for(i=0;i<nb_output_streams;i++) {
3167 OutputStream *ost = output_streams[i];
3168 ost->enc_ctx->debug = debug;
3170 if(debug) av_log_set_level(AV_LOG_DEBUG);
3171 fprintf(stderr,"debug=%d\n", debug);
3174 fprintf(stderr, "key function\n"
3175 "? show this help\n"
3176 "+ increase verbosity\n"
3177 "- decrease verbosity\n"
3178 "c Send command to first matching filter supporting it\n"
3179 "C Send/Que command to all matching filters\n"
3180 "D cycle through available debug modes\n"
3181 "h dump packets/hex press to cycle through the 3 states\n"
3183 "s Show QP histogram\n"
3190 static void *input_thread(void *arg)
3197 ret = av_read_frame(f->ctx, &pkt);
3199 if (ret == AVERROR(EAGAIN)) {
3204 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3207 av_dup_packet(&pkt);
3208 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3210 if (ret != AVERROR_EOF)
3211 av_log(f->ctx, AV_LOG_ERROR,
3212 "Unable to send packet to main thread: %s\n",
3214 av_free_packet(&pkt);
3215 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3223 static void free_input_threads(void)
3227 for (i = 0; i < nb_input_files; i++) {
3228 InputFile *f = input_files[i];
3231 if (!f->in_thread_queue)
3233 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3234 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3235 av_free_packet(&pkt);
3237 pthread_join(f->thread, NULL);
3239 av_thread_message_queue_free(&f->in_thread_queue);
3243 static int init_input_threads(void)
3247 if (nb_input_files == 1)
3250 for (i = 0; i < nb_input_files; i++) {
3251 InputFile *f = input_files[i];
3253 if (f->ctx->pb ? !f->ctx->pb->seekable :
3254 strcmp(f->ctx->iformat->name, "lavfi"))
3255 f->non_blocking = 1;
3256 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3257 8, sizeof(AVPacket));
3261 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3262 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3263 av_thread_message_queue_free(&f->in_thread_queue);
3264 return AVERROR(ret);
3270 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3272 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3274 AV_THREAD_MESSAGE_NONBLOCK : 0);
3278 static int get_input_packet(InputFile *f, AVPacket *pkt)
3282 for (i = 0; i < f->nb_streams; i++) {
3283 InputStream *ist = input_streams[f->ist_index + i];
3284 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3285 int64_t now = av_gettime_relative() - ist->start;
3287 return AVERROR(EAGAIN);
3292 if (nb_input_files > 1)
3293 return get_input_packet_mt(f, pkt);
3295 return av_read_frame(f->ctx, pkt);
3298 static int got_eagain(void)
3301 for (i = 0; i < nb_output_streams; i++)
3302 if (output_streams[i]->unavailable)
3307 static void reset_eagain(void)
3310 for (i = 0; i < nb_input_files; i++)
3311 input_files[i]->eagain = 0;
3312 for (i = 0; i < nb_output_streams; i++)
3313 output_streams[i]->unavailable = 0;
3318 * - 0 -- one packet was read and processed
3319 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3320 * this function should be called again
3321 * - AVERROR_EOF -- this function should not be called again
3323 static int process_input(int file_index)
3325 InputFile *ifile = input_files[file_index];
3326 AVFormatContext *is;
3332 ret = get_input_packet(ifile, &pkt);
3334 if (ret == AVERROR(EAGAIN)) {
3339 if (ret != AVERROR_EOF) {
3340 print_error(is->filename, ret);
3345 for (i = 0; i < ifile->nb_streams; i++) {
3346 ist = input_streams[ifile->ist_index + i];
3347 if (ist->decoding_needed) {
3348 ret = process_input_packet(ist, NULL);
3353 /* mark all outputs that don't go through lavfi as finished */
3354 for (j = 0; j < nb_output_streams; j++) {
3355 OutputStream *ost = output_streams[j];
3357 if (ost->source_index == ifile->ist_index + i &&
3358 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3359 finish_output_stream(ost);
3363 ifile->eof_reached = 1;
3364 return AVERROR(EAGAIN);
3370 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3371 is->streams[pkt.stream_index]);
3373 /* the following test is needed in case new streams appear
3374 dynamically in stream : we ignore them */
3375 if (pkt.stream_index >= ifile->nb_streams) {
3376 report_new_stream(file_index, &pkt);
3377 goto discard_packet;
3380 ist = input_streams[ifile->ist_index + pkt.stream_index];
3382 ist->data_size += pkt.size;
3386 goto discard_packet;
3389 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3390 "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",
3391 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3392 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3393 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3394 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3395 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3396 av_ts2str(input_files[ist->file_index]->ts_offset),
3397 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3400 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3401 int64_t stime, stime2;
3402 // Correcting starttime based on the enabled streams
3403 // 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.
3404 // so we instead do it here as part of discontinuity handling
3405 if ( ist->next_dts == AV_NOPTS_VALUE
3406 && ifile->ts_offset == -is->start_time
3407 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3408 int64_t new_start_time = INT64_MAX;
3409 for (i=0; i<is->nb_streams; i++) {
3410 AVStream *st = is->streams[i];
3411 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3413 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3415 if (new_start_time > is->start_time) {
3416 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3417 ifile->ts_offset = -new_start_time;
3421 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3422 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3423 ist->wrap_correction_done = 1;
3425 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3426 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3427 ist->wrap_correction_done = 0;
3429 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3430 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3431 ist->wrap_correction_done = 0;
3435 /* add the stream-global side data to the first packet */
3436 if (ist->nb_packets == 1)
3437 if (ist->st->nb_side_data)
3438 av_packet_split_side_data(&pkt);
3439 for (i = 0; i < ist->st->nb_side_data; i++) {
3440 AVPacketSideData *src_sd = &ist->st->side_data[i];
3443 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3446 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3450 memcpy(dst_data, src_sd->data, src_sd->size);
3453 if (pkt.dts != AV_NOPTS_VALUE)
3454 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3455 if (pkt.pts != AV_NOPTS_VALUE)
3456 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3458 if (pkt.pts != AV_NOPTS_VALUE)
3459 pkt.pts *= ist->ts_scale;
3460 if (pkt.dts != AV_NOPTS_VALUE)
3461 pkt.dts *= ist->ts_scale;
3463 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3464 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3465 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3466 int64_t delta = pkt_dts - ifile->last_ts;
3467 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3468 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3469 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3470 ifile->ts_offset -= delta;
3471 av_log(NULL, AV_LOG_DEBUG,
3472 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3473 delta, ifile->ts_offset);
3474 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3475 if (pkt.pts != AV_NOPTS_VALUE)
3476 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3480 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3482 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3483 int64_t delta = pkt_dts - ist->next_dts;
3484 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3485 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3486 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3487 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3488 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3489 ifile->ts_offset -= delta;
3490 av_log(NULL, AV_LOG_DEBUG,
3491 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3492 delta, ifile->ts_offset);
3493 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3494 if (pkt.pts != AV_NOPTS_VALUE)
3495 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3498 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3499 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3500 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3501 pkt.dts = AV_NOPTS_VALUE;
3503 if (pkt.pts != AV_NOPTS_VALUE){
3504 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3505 delta = pkt_pts - ist->next_dts;
3506 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3507 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3508 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3509 pkt.pts = AV_NOPTS_VALUE;
3515 if (pkt.dts != AV_NOPTS_VALUE)
3516 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3519 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",
3520 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3521 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3522 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3523 av_ts2str(input_files[ist->file_index]->ts_offset),
3524 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3527 sub2video_heartbeat(ist, pkt.pts);
3529 ret = process_input_packet(ist, &pkt);
3531 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3532 ist->file_index, ist->st->index, av_err2str(ret));
3538 av_free_packet(&pkt);
3544 * Perform a step of transcoding for the specified filter graph.
3546 * @param[in] graph filter graph to consider
3547 * @param[out] best_ist input stream where a frame would allow to continue
3548 * @return 0 for success, <0 for error
3550 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3553 int nb_requests, nb_requests_max = 0;
3554 InputFilter *ifilter;
3558 ret = avfilter_graph_request_oldest(graph->graph);
3560 return reap_filters();
3562 if (ret == AVERROR_EOF) {
3563 ret = reap_filters();
3564 for (i = 0; i < graph->nb_outputs; i++)
3565 close_output_stream(graph->outputs[i]->ost);
3568 if (ret != AVERROR(EAGAIN))
3571 for (i = 0; i < graph->nb_inputs; i++) {
3572 ifilter = graph->inputs[i];
3574 if (input_files[ist->file_index]->eagain ||
3575 input_files[ist->file_index]->eof_reached)
3577 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3578 if (nb_requests > nb_requests_max) {
3579 nb_requests_max = nb_requests;
3585 for (i = 0; i < graph->nb_outputs; i++)
3586 graph->outputs[i]->ost->unavailable = 1;
3592 * Run a single step of transcoding.
3594 * @return 0 for success, <0 for error
3596 static int transcode_step(void)
3602 ost = choose_output();
3609 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3614 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3619 av_assert0(ost->source_index >= 0);
3620 ist = input_streams[ost->source_index];
3623 ret = process_input(ist->file_index);
3624 if (ret == AVERROR(EAGAIN)) {
3625 if (input_files[ist->file_index]->eagain)
3626 ost->unavailable = 1;
3630 return ret == AVERROR_EOF ? 0 : ret;
3632 return reap_filters();
3636 * The following code is the main loop of the file converter
3638 static int transcode(void)
3641 AVFormatContext *os;
3644 int64_t timer_start;
3646 ret = transcode_init();
3650 if (stdin_interaction) {
3651 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3654 timer_start = av_gettime_relative();
3657 if ((ret = init_input_threads()) < 0)
3661 while (!received_sigterm) {
3662 int64_t cur_time= av_gettime_relative();
3664 /* if 'q' pressed, exits */
3665 if (stdin_interaction)
3666 if (check_keyboard_interaction(cur_time) < 0)
3669 /* check if there's any stream where output is still needed */
3670 if (!need_output()) {
3671 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3675 ret = transcode_step();
3677 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3680 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3684 /* dump report by using the output first video and audio streams */
3685 print_report(0, timer_start, cur_time);
3688 free_input_threads();
3691 /* at the end of stream, we must flush the decoder buffers */
3692 for (i = 0; i < nb_input_streams; i++) {
3693 ist = input_streams[i];
3694 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3695 process_input_packet(ist, NULL);
3702 /* write the trailer if needed and close file */
3703 for (i = 0; i < nb_output_files; i++) {
3704 os = output_files[i]->ctx;
3705 av_write_trailer(os);
3708 /* dump report by using the first video and audio streams */
3709 print_report(1, timer_start, av_gettime_relative());
3711 /* close each encoder */
3712 for (i = 0; i < nb_output_streams; i++) {
3713 ost = output_streams[i];
3714 if (ost->encoding_needed) {
3715 av_freep(&ost->enc_ctx->stats_in);
3719 /* close each decoder */
3720 for (i = 0; i < nb_input_streams; i++) {
3721 ist = input_streams[i];
3722 if (ist->decoding_needed) {
3723 avcodec_close(ist->dec_ctx);
3724 if (ist->hwaccel_uninit)
3725 ist->hwaccel_uninit(ist->dec_ctx);
3734 free_input_threads();
3737 if (output_streams) {
3738 for (i = 0; i < nb_output_streams; i++) {
3739 ost = output_streams[i];
3742 fclose(ost->logfile);
3743 ost->logfile = NULL;
3745 av_freep(&ost->forced_kf_pts);
3746 av_freep(&ost->apad);
3747 av_dict_free(&ost->encoder_opts);
3748 av_dict_free(&ost->swr_opts);
3749 av_dict_free(&ost->resample_opts);
3757 static int64_t getutime(void)
3760 struct rusage rusage;
3762 getrusage(RUSAGE_SELF, &rusage);
3763 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3764 #elif HAVE_GETPROCESSTIMES
3766 FILETIME c, e, k, u;
3767 proc = GetCurrentProcess();
3768 GetProcessTimes(proc, &c, &e, &k, &u);
3769 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3771 return av_gettime();
3775 static int64_t getmaxrss(void)
3777 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3778 struct rusage rusage;
3779 getrusage(RUSAGE_SELF, &rusage);
3780 return (int64_t)rusage.ru_maxrss * 1024;
3781 #elif HAVE_GETPROCESSMEMORYINFO
3783 PROCESS_MEMORY_COUNTERS memcounters;
3784 proc = GetCurrentProcess();
3785 memcounters.cb = sizeof(memcounters);
3786 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3787 return memcounters.PeakPagefileUsage;
3793 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3797 int main(int argc, char **argv)
3802 register_exit(ffmpeg_cleanup);
3804 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3806 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3807 parse_loglevel(argc, argv, options);
3809 if(argc>1 && !strcmp(argv[1], "-d")){
3811 av_log_set_callback(log_callback_null);
3816 avcodec_register_all();
3818 avdevice_register_all();
3820 avfilter_register_all();
3822 avformat_network_init();
3824 show_banner(argc, argv, options);
3828 /* parse options and open all input/output files */
3829 ret = ffmpeg_parse_options(argc, argv);
3833 if (nb_output_files <= 0 && nb_input_files == 0) {
3835 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3839 /* file converter / grab */
3840 if (nb_output_files <= 0) {
3841 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3845 // if (nb_input_files == 0) {
3846 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3850 current_time = ti = getutime();
3851 if (transcode() < 0)
3853 ti = getutime() - ti;
3855 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3857 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3858 decode_error_stat[0], decode_error_stat[1]);
3859 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3862 exit_program(received_nb_signals ? 255 : main_return_code);
3863 return main_return_code;