2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavformat/os_support.h"
65 #include "libavformat/ffm.h" // not public API
67 # include "libavfilter/avcodec.h"
68 # include "libavfilter/avfilter.h"
69 # include "libavfilter/buffersrc.h"
70 # include "libavfilter/buffersink.h"
72 #if HAVE_SYS_RESOURCE_H
74 #include <sys/types.h>
75 #include <sys/resource.h>
76 #elif HAVE_GETPROCESSTIMES
79 #if HAVE_GETPROCESSMEMORYINFO
85 #include <sys/select.h>
90 #include <sys/ioctl.h>
104 #include "cmdutils.h"
106 #include "libavutil/avassert.h"
108 const char program_name[] = "ffmpeg";
109 const int program_birth_year = 2000;
111 static FILE *vstats_file;
113 const char *const forced_keyframes_const_names[] = {
122 static void do_video_stats(OutputStream *ost, int frame_size);
123 static int64_t getutime(void);
124 static int64_t getmaxrss(void);
126 static int run_as_daemon = 0;
127 static int nb_frames_dup = 0;
128 static int nb_frames_drop = 0;
129 static int64_t decode_error_stat[2];
131 static int current_time;
132 AVIOContext *progress_avio = NULL;
134 static uint8_t *subtitle_out;
136 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
138 InputStream **input_streams = NULL;
139 int nb_input_streams = 0;
140 InputFile **input_files = NULL;
141 int nb_input_files = 0;
143 OutputStream **output_streams = NULL;
144 int nb_output_streams = 0;
145 OutputFile **output_files = NULL;
146 int nb_output_files = 0;
148 FilterGraph **filtergraphs;
153 /* init terminal so that we can grab keys */
154 static struct termios oldtty;
155 static int restore_tty;
158 static void free_input_threads(void);
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
166 static int sub2video_get_blank_frame(InputStream *ist)
169 AVFrame *frame = ist->sub2video.frame;
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->sub2video.w;
173 ist->sub2video.frame->height = ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
181 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
184 uint32_t *pal, *dst2;
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
197 dst += r->y * dst_linesize + r->x * 4;
198 src = r->pict.data[0];
199 pal = (uint32_t *)r->pict.data[1];
200 for (y = 0; y < r->h; y++) {
201 dst2 = (uint32_t *)dst;
203 for (x = 0; x < r->w; x++)
204 *(dst2++) = pal[*(src2++)];
206 src += r->pict.linesize[0];
210 static void sub2video_push_ref(InputStream *ist, int64_t pts)
212 AVFrame *frame = ist->sub2video.frame;
215 av_assert1(frame->data[0]);
216 ist->sub2video.last_pts = frame->pts = pts;
217 for (i = 0; i < ist->nb_filters; i++)
218 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
219 AV_BUFFERSRC_FLAG_KEEP_REF |
220 AV_BUFFERSRC_FLAG_PUSH);
223 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
225 int w = ist->sub2video.w, h = ist->sub2video.h;
226 AVFrame *frame = ist->sub2video.frame;
230 int64_t pts, end_pts;
235 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
236 AV_TIME_BASE_Q, ist->st->time_base);
237 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
238 AV_TIME_BASE_Q, ist->st->time_base);
239 num_rects = sub->num_rects;
241 pts = ist->sub2video.end_pts;
245 if (sub2video_get_blank_frame(ist) < 0) {
246 av_log(ist->dec_ctx, AV_LOG_ERROR,
247 "Impossible to get a blank canvas.\n");
250 dst = frame->data [0];
251 dst_linesize = frame->linesize[0];
252 for (i = 0; i < num_rects; i++)
253 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
254 sub2video_push_ref(ist, pts);
255 ist->sub2video.end_pts = end_pts;
258 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
260 InputFile *infile = input_files[ist->file_index];
264 /* When a frame is read from a file, examine all sub2video streams in
265 the same file and send the sub2video frame again. Otherwise, decoded
266 video frames could be accumulating in the filter graph while a filter
267 (possibly overlay) is desperately waiting for a subtitle frame. */
268 for (i = 0; i < infile->nb_streams; i++) {
269 InputStream *ist2 = input_streams[infile->ist_index + i];
270 if (!ist2->sub2video.frame)
272 /* subtitles seem to be usually muxed ahead of other streams;
273 if not, 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 avcodec_free_context(&ost->enc_ctx);
488 av_freep(&output_streams[i]);
491 free_input_threads();
493 for (i = 0; i < nb_input_files; i++) {
494 avformat_close_input(&input_files[i]->ctx);
495 av_freep(&input_files[i]);
497 for (i = 0; i < nb_input_streams; i++) {
498 InputStream *ist = input_streams[i];
500 av_frame_free(&ist->decoded_frame);
501 av_frame_free(&ist->filter_frame);
502 av_dict_free(&ist->decoder_opts);
503 avsubtitle_free(&ist->prev_sub.subtitle);
504 av_frame_free(&ist->sub2video.frame);
505 av_freep(&ist->filters);
506 av_freep(&ist->hwaccel_device);
508 avcodec_free_context(&ist->dec_ctx);
510 av_freep(&input_streams[i]);
515 av_free(vstats_filename);
517 av_freep(&input_streams);
518 av_freep(&input_files);
519 av_freep(&output_streams);
520 av_freep(&output_files);
524 avformat_network_deinit();
526 if (received_sigterm) {
527 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
528 (int) received_sigterm);
529 } else if (ret && transcode_init_done) {
530 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
535 void assert_avoptions(AVDictionary *m)
537 AVDictionaryEntry *t;
538 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
539 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
544 static void abort_codec_experimental(AVCodec *c, int encoder)
549 static void update_benchmark(const char *fmt, ...)
551 if (do_benchmark_all) {
552 int64_t t = getutime();
558 vsnprintf(buf, sizeof(buf), fmt, va);
560 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
566 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
569 for (i = 0; i < nb_output_streams; i++) {
570 OutputStream *ost2 = output_streams[i];
571 ost2->finished |= ost == ost2 ? this_stream : others;
575 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
577 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
578 AVCodecContext *avctx = ost->st->codec;
581 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
582 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
583 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
586 * Audio encoders may split the packets -- #frames in != #packets out.
587 * But there is no reordering, so we can limit the number of output packets
588 * by simply dropping them here.
589 * Counting encoded video frames needs to be done separately because of
590 * reordering, see do_video_out()
592 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
593 if (ost->frame_number >= ost->max_frames) {
601 av_packet_split_side_data(pkt);
604 AVPacket new_pkt = *pkt;
605 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
606 &new_pkt.data, &new_pkt.size,
607 pkt->data, pkt->size,
608 pkt->flags & AV_PKT_FLAG_KEY);
609 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
610 uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
612 memcpy(t, new_pkt.data, new_pkt.size);
613 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
622 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
623 av_buffer_default_free, NULL, 0);
627 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
628 bsfc->filter->name, pkt->stream_index,
629 avctx->codec ? avctx->codec->name : "copy");
639 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
641 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
642 pkt->dts != AV_NOPTS_VALUE &&
643 ost->last_mux_dts != AV_NOPTS_VALUE) {
644 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
645 if (pkt->dts < max) {
646 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
647 av_log(s, loglevel, "Non-monotonous DTS in output stream "
648 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
649 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
651 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
654 av_log(s, loglevel, "changing to %"PRId64". This may result "
655 "in incorrect timestamps in the output file.\n",
657 if(pkt->pts >= pkt->dts)
658 pkt->pts = FFMAX(pkt->pts, max);
662 if (pkt->dts != AV_NOPTS_VALUE &&
663 pkt->pts != AV_NOPTS_VALUE &&
664 pkt->dts > pkt->pts) {
665 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d\n",
667 ost->file_index, ost->st->index);
668 pkt->pts = AV_NOPTS_VALUE;
669 pkt->dts = AV_NOPTS_VALUE;
672 ost->last_mux_dts = pkt->dts;
674 ost->data_size += pkt->size;
675 ost->packets_written++;
677 pkt->stream_index = ost->index;
680 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
681 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
682 av_get_media_type_string(ost->enc_ctx->codec_type),
683 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
684 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
689 ret = av_interleaved_write_frame(s, pkt);
691 print_error("av_interleaved_write_frame()", ret);
692 main_return_code = 1;
693 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
698 static void close_output_stream(OutputStream *ost)
700 OutputFile *of = output_files[ost->file_index];
702 ost->finished |= ENCODER_FINISHED;
704 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
705 of->recording_time = FFMIN(of->recording_time, end);
709 static int check_recording_time(OutputStream *ost)
711 OutputFile *of = output_files[ost->file_index];
713 if (of->recording_time != INT64_MAX &&
714 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
715 AV_TIME_BASE_Q) >= 0) {
716 close_output_stream(ost);
722 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
725 AVCodecContext *enc = ost->enc_ctx;
729 av_init_packet(&pkt);
733 if (!check_recording_time(ost))
736 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
737 frame->pts = ost->sync_opts;
738 ost->sync_opts = frame->pts + frame->nb_samples;
739 ost->samples_encoded += frame->nb_samples;
740 ost->frames_encoded++;
742 av_assert0(pkt.size || !pkt.data);
743 update_benchmark(NULL);
745 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
746 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
747 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
748 enc->time_base.num, enc->time_base.den);
751 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
752 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
755 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
758 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
761 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
762 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
763 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
764 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
767 write_frame(s, &pkt, ost);
771 static void do_subtitle_out(AVFormatContext *s,
776 int subtitle_out_max_size = 1024 * 1024;
777 int subtitle_out_size, nb, i;
782 if (sub->pts == AV_NOPTS_VALUE) {
783 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
792 subtitle_out = av_malloc(subtitle_out_max_size);
795 /* Note: DVB subtitle need one packet to draw them and one other
796 packet to clear them */
797 /* XXX: signal it in the codec context ? */
798 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
803 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
805 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
806 pts -= output_files[ost->file_index]->start_time;
807 for (i = 0; i < nb; i++) {
808 unsigned save_num_rects = sub->num_rects;
810 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
811 if (!check_recording_time(ost))
815 // start_display_time is required to be 0
816 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
817 sub->end_display_time -= sub->start_display_time;
818 sub->start_display_time = 0;
822 ost->frames_encoded++;
824 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
825 subtitle_out_max_size, sub);
827 sub->num_rects = save_num_rects;
828 if (subtitle_out_size < 0) {
829 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
833 av_init_packet(&pkt);
834 pkt.data = subtitle_out;
835 pkt.size = subtitle_out_size;
836 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
837 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
838 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
839 /* XXX: the pts correction is handled here. Maybe handling
840 it in the codec would be better */
842 pkt.pts += 90 * sub->start_display_time;
844 pkt.pts += 90 * sub->end_display_time;
847 write_frame(s, &pkt, ost);
851 static void do_video_out(AVFormatContext *s,
855 int ret, format_video_sync;
857 AVCodecContext *enc = ost->enc_ctx;
858 AVCodecContext *mux_enc = ost->st->codec;
860 double sync_ipts, delta;
863 InputStream *ist = NULL;
865 if (ost->source_index >= 0)
866 ist = input_streams[ost->source_index];
868 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
869 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
871 sync_ipts = in_picture->pts;
872 delta = sync_ipts - ost->sync_opts + duration;
874 /* by default, we output a single frame */
877 format_video_sync = video_sync_method;
878 if (format_video_sync == VSYNC_AUTO) {
879 if(!strcmp(s->oformat->name, "avi")) {
880 format_video_sync = VSYNC_VFR;
882 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
884 && format_video_sync == VSYNC_CFR
885 && input_files[ist->file_index]->ctx->nb_streams == 1
886 && input_files[ist->file_index]->input_ts_offset == 0) {
887 format_video_sync = VSYNC_VSCFR;
889 if (format_video_sync == VSYNC_CFR && copy_ts) {
890 format_video_sync = VSYNC_VSCFR;
894 switch (format_video_sync) {
896 if (ost->frame_number == 0 && delta - duration >= 0.5) {
897 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
899 ost->sync_opts = lrint(sync_ipts);
902 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
905 else if (delta > 1.1)
906 nb_frames = lrintf(delta);
911 else if (delta > 0.6)
912 ost->sync_opts = lrint(sync_ipts);
915 case VSYNC_PASSTHROUGH:
916 ost->sync_opts = lrint(sync_ipts);
922 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
923 if (nb_frames == 0) {
925 av_log(NULL, AV_LOG_VERBOSE,
926 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
927 ost->frame_number, ost->st->index, in_picture->pts);
929 } else if (nb_frames > 1) {
930 if (nb_frames > dts_error_threshold * 30) {
931 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
935 nb_frames_dup += nb_frames - 1;
936 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
939 /* duplicates frame if needed */
940 for (i = 0; i < nb_frames; i++) {
941 av_init_packet(&pkt);
945 in_picture->pts = ost->sync_opts;
948 if (!check_recording_time(ost))
950 if (ost->frame_number >= ost->max_frames)
954 if (s->oformat->flags & AVFMT_RAWPICTURE &&
955 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
956 /* raw pictures are written as AVPicture structure to
957 avoid any copies. We support temporarily the older
959 mux_enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
960 mux_enc->coded_frame->top_field_first = in_picture->top_field_first;
961 if (mux_enc->coded_frame->interlaced_frame)
962 mux_enc->field_order = mux_enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
964 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
965 pkt.data = (uint8_t *)in_picture;
966 pkt.size = sizeof(AVPicture);
967 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
968 pkt.flags |= AV_PKT_FLAG_KEY;
970 write_frame(s, &pkt, ost);
972 int got_packet, forced_keyframe = 0;
975 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
976 ost->top_field_first >= 0)
977 in_picture->top_field_first = !!ost->top_field_first;
979 if (in_picture->interlaced_frame) {
980 if (enc->codec->id == AV_CODEC_ID_MJPEG)
981 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
983 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
985 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
987 in_picture->quality = enc->global_quality;
988 if (!enc->me_threshold)
989 in_picture->pict_type = 0;
991 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
992 in_picture->pts * av_q2d(enc->time_base) : NAN;
993 if (ost->forced_kf_index < ost->forced_kf_count &&
994 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
995 ost->forced_kf_index++;
997 } else if (ost->forced_keyframes_pexpr) {
999 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1000 res = av_expr_eval(ost->forced_keyframes_pexpr,
1001 ost->forced_keyframes_expr_const_values, NULL);
1002 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1003 ost->forced_keyframes_expr_const_values[FKF_N],
1004 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1005 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1006 ost->forced_keyframes_expr_const_values[FKF_T],
1007 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1010 forced_keyframe = 1;
1011 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1012 ost->forced_keyframes_expr_const_values[FKF_N];
1013 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1014 ost->forced_keyframes_expr_const_values[FKF_T];
1015 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1018 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1021 if (forced_keyframe) {
1022 in_picture->pict_type = AV_PICTURE_TYPE_I;
1023 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1026 update_benchmark(NULL);
1028 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1029 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1030 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1031 enc->time_base.num, enc->time_base.den);
1034 ost->frames_encoded++;
1036 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1037 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1039 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1045 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1046 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1047 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1048 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1051 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1052 pkt.pts = ost->sync_opts;
1054 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1057 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1058 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1059 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1060 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1063 frame_size = pkt.size;
1064 write_frame(s, &pkt, ost);
1066 /* if two pass, output log */
1067 if (ost->logfile && enc->stats_out) {
1068 fprintf(ost->logfile, "%s", enc->stats_out);
1074 * For video, number of frames in == number of packets out.
1075 * But there may be reordering, so we can't throw away frames on encoder
1076 * flush, we need to limit them here, before they go into encoder.
1078 ost->frame_number++;
1080 if (vstats_filename && frame_size)
1081 do_video_stats(ost, frame_size);
1085 static double psnr(double d)
1087 return -10.0 * log(d) / log(10.0);
1090 static void do_video_stats(OutputStream *ost, int frame_size)
1092 AVCodecContext *enc;
1094 double ti1, bitrate, avg_bitrate;
1096 /* this is executed just the first time do_video_stats is called */
1098 vstats_file = fopen(vstats_filename, "w");
1106 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1107 frame_number = ost->st->nb_frames;
1108 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1109 if (enc->flags&CODEC_FLAG_PSNR)
1110 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1112 fprintf(vstats_file,"f_size= %6d ", frame_size);
1113 /* compute pts value */
1114 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1118 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1119 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1120 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1121 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1122 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1126 static void finish_output_stream(OutputStream *ost)
1128 OutputFile *of = output_files[ost->file_index];
1131 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1134 for (i = 0; i < of->ctx->nb_streams; i++)
1135 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1140 * Get and encode new output from any of the filtergraphs, without causing
1143 * @return 0 for success, <0 for severe errors
1145 static int reap_filters(void)
1147 AVFrame *filtered_frame = NULL;
1151 /* Reap all buffers present in the buffer sinks */
1152 for (i = 0; i < nb_output_streams; i++) {
1153 OutputStream *ost = output_streams[i];
1154 OutputFile *of = output_files[ost->file_index];
1155 AVFilterContext *filter;
1156 AVCodecContext *enc = ost->enc_ctx;
1161 filter = ost->filter->filter;
1163 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1164 return AVERROR(ENOMEM);
1166 filtered_frame = ost->filtered_frame;
1169 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1170 AV_BUFFERSINK_FLAG_NO_REQUEST);
1172 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1173 av_log(NULL, AV_LOG_WARNING,
1174 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1178 if (ost->finished) {
1179 av_frame_unref(filtered_frame);
1182 frame_pts = AV_NOPTS_VALUE;
1183 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1184 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1185 filtered_frame->pts = frame_pts =
1186 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1187 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1189 //if (ost->source_index >= 0)
1190 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1192 switch (filter->inputs[0]->type) {
1193 case AVMEDIA_TYPE_VIDEO:
1194 filtered_frame->pts = frame_pts;
1195 if (!ost->frame_aspect_ratio.num)
1196 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1199 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1200 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1201 enc->time_base.num, enc->time_base.den);
1204 do_video_out(of->ctx, ost, filtered_frame);
1206 case AVMEDIA_TYPE_AUDIO:
1207 filtered_frame->pts = frame_pts;
1208 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1209 enc->channels != av_frame_get_channels(filtered_frame)) {
1210 av_log(NULL, AV_LOG_ERROR,
1211 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1214 do_audio_out(of->ctx, ost, filtered_frame);
1217 // TODO support subtitle filters
1221 av_frame_unref(filtered_frame);
1228 static void print_final_stats(int64_t total_size)
1230 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1231 uint64_t subtitle_size = 0;
1232 uint64_t data_size = 0;
1233 float percent = -1.0;
1236 for (i = 0; i < nb_output_streams; i++) {
1237 OutputStream *ost = output_streams[i];
1238 switch (ost->enc_ctx->codec_type) {
1239 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1240 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1241 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1242 default: other_size += ost->data_size; break;
1244 extra_size += ost->enc_ctx->extradata_size;
1245 data_size += ost->data_size;
1248 if (data_size && total_size>0 && total_size >= data_size)
1249 percent = 100.0 * (total_size - data_size) / data_size;
1251 av_log(NULL, AV_LOG_INFO, "\n");
1252 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: ",
1253 video_size / 1024.0,
1254 audio_size / 1024.0,
1255 subtitle_size / 1024.0,
1256 other_size / 1024.0,
1257 extra_size / 1024.0);
1259 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1261 av_log(NULL, AV_LOG_INFO, "unknown");
1262 av_log(NULL, AV_LOG_INFO, "\n");
1264 /* print verbose per-stream stats */
1265 for (i = 0; i < nb_input_files; i++) {
1266 InputFile *f = input_files[i];
1267 uint64_t total_packets = 0, total_size = 0;
1269 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1270 i, f->ctx->filename);
1272 for (j = 0; j < f->nb_streams; j++) {
1273 InputStream *ist = input_streams[f->ist_index + j];
1274 enum AVMediaType type = ist->dec_ctx->codec_type;
1276 total_size += ist->data_size;
1277 total_packets += ist->nb_packets;
1279 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1280 i, j, media_type_string(type));
1281 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1282 ist->nb_packets, ist->data_size);
1284 if (ist->decoding_needed) {
1285 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1286 ist->frames_decoded);
1287 if (type == AVMEDIA_TYPE_AUDIO)
1288 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1289 av_log(NULL, AV_LOG_VERBOSE, "; ");
1292 av_log(NULL, AV_LOG_VERBOSE, "\n");
1295 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1296 total_packets, total_size);
1299 for (i = 0; i < nb_output_files; i++) {
1300 OutputFile *of = output_files[i];
1301 uint64_t total_packets = 0, total_size = 0;
1303 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1304 i, of->ctx->filename);
1306 for (j = 0; j < of->ctx->nb_streams; j++) {
1307 OutputStream *ost = output_streams[of->ost_index + j];
1308 enum AVMediaType type = ost->enc_ctx->codec_type;
1310 total_size += ost->data_size;
1311 total_packets += ost->packets_written;
1313 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1314 i, j, media_type_string(type));
1315 if (ost->encoding_needed) {
1316 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1317 ost->frames_encoded);
1318 if (type == AVMEDIA_TYPE_AUDIO)
1319 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1320 av_log(NULL, AV_LOG_VERBOSE, "; ");
1323 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1324 ost->packets_written, ost->data_size);
1326 av_log(NULL, AV_LOG_VERBOSE, "\n");
1329 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1330 total_packets, total_size);
1332 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1333 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1337 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1340 AVBPrint buf_script;
1342 AVFormatContext *oc;
1344 AVCodecContext *enc;
1345 int frame_number, vid, i;
1347 int64_t pts = INT64_MIN;
1348 static int64_t last_time = -1;
1349 static int qp_histogram[52];
1350 int hours, mins, secs, us;
1352 if (!print_stats && !is_last_report && !progress_avio)
1355 if (!is_last_report) {
1356 if (last_time == -1) {
1357 last_time = cur_time;
1360 if ((cur_time - last_time) < 500000)
1362 last_time = cur_time;
1366 oc = output_files[0]->ctx;
1368 total_size = avio_size(oc->pb);
1369 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1370 total_size = avio_tell(oc->pb);
1374 av_bprint_init(&buf_script, 0, 1);
1375 for (i = 0; i < nb_output_streams; i++) {
1377 ost = output_streams[i];
1379 if (!ost->stream_copy && enc->coded_frame)
1380 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1381 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1382 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1383 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1384 ost->file_index, ost->index, q);
1386 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1387 float fps, t = (cur_time-timer_start) / 1000000.0;
1389 frame_number = ost->frame_number;
1390 fps = t > 1 ? frame_number / t : 0;
1391 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1392 frame_number, fps < 9.95, fps, q);
1393 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1394 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1395 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1396 ost->file_index, ost->index, q);
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1402 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1404 for (j = 0; j < 32; j++)
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1407 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1409 double error, error_sum = 0;
1410 double scale, scale_sum = 0;
1412 char type[3] = { 'Y','U','V' };
1413 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1414 for (j = 0; j < 3; j++) {
1415 if (is_last_report) {
1416 error = enc->error[j];
1417 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1419 error = enc->coded_frame->error[j];
1420 scale = enc->width * enc->height * 255.0 * 255.0;
1426 p = psnr(error / scale);
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1428 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1429 ost->file_index, ost->index, type[j] | 32, p);
1431 p = psnr(error_sum / scale_sum);
1432 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1433 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1434 ost->file_index, ost->index, p);
1438 /* compute min output value */
1439 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1440 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1441 ost->st->time_base, AV_TIME_BASE_Q));
1444 secs = pts / AV_TIME_BASE;
1445 us = pts % AV_TIME_BASE;
1451 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1453 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1455 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1456 "size=%8.0fkB time=", total_size / 1024.0);
1457 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1458 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1459 (100 * us) / AV_TIME_BASE);
1460 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1462 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1463 "bitrate=%6.1fkbits/s", bitrate);
1464 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1465 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1466 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1467 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1468 hours, mins, secs, us);
1470 if (nb_frames_dup || nb_frames_drop)
1471 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1472 nb_frames_dup, nb_frames_drop);
1473 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1474 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1476 if (print_stats || is_last_report) {
1477 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1478 fprintf(stderr, "%s \r", buf);
1480 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1485 if (progress_avio) {
1486 av_bprintf(&buf_script, "progress=%s\n",
1487 is_last_report ? "end" : "continue");
1488 avio_write(progress_avio, buf_script.str,
1489 FFMIN(buf_script.len, buf_script.size - 1));
1490 avio_flush(progress_avio);
1491 av_bprint_finalize(&buf_script, NULL);
1492 if (is_last_report) {
1493 avio_close(progress_avio);
1494 progress_avio = NULL;
1499 print_final_stats(total_size);
1502 static void flush_encoders(void)
1506 for (i = 0; i < nb_output_streams; i++) {
1507 OutputStream *ost = output_streams[i];
1508 AVCodecContext *enc = ost->enc_ctx;
1509 AVFormatContext *os = output_files[ost->file_index]->ctx;
1510 int stop_encoding = 0;
1512 if (!ost->encoding_needed)
1515 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1517 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1521 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1524 switch (enc->codec_type) {
1525 case AVMEDIA_TYPE_AUDIO:
1526 encode = avcodec_encode_audio2;
1529 case AVMEDIA_TYPE_VIDEO:
1530 encode = avcodec_encode_video2;
1541 av_init_packet(&pkt);
1545 update_benchmark(NULL);
1546 ret = encode(enc, &pkt, NULL, &got_packet);
1547 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1549 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1552 if (ost->logfile && enc->stats_out) {
1553 fprintf(ost->logfile, "%s", enc->stats_out);
1559 if (ost->finished & MUXER_FINISHED) {
1560 av_free_packet(&pkt);
1563 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1564 pkt_size = pkt.size;
1565 write_frame(os, &pkt, ost);
1566 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1567 do_video_stats(ost, pkt_size);
1578 * Check whether a packet from ist should be written into ost at this time
1580 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1582 OutputFile *of = output_files[ost->file_index];
1583 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1585 if (ost->source_index != ist_index)
1591 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1597 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1599 OutputFile *of = output_files[ost->file_index];
1600 InputFile *f = input_files [ist->file_index];
1601 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1602 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1603 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1607 av_init_packet(&opkt);
1609 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1610 !ost->copy_initial_nonkeyframes)
1613 if (pkt->pts == AV_NOPTS_VALUE) {
1614 if (!ost->frame_number && ist->pts < start_time &&
1615 !ost->copy_prior_start)
1618 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1619 !ost->copy_prior_start)
1623 if (of->recording_time != INT64_MAX &&
1624 ist->pts >= of->recording_time + start_time) {
1625 close_output_stream(ost);
1629 if (f->recording_time != INT64_MAX) {
1630 start_time = f->ctx->start_time;
1631 if (f->start_time != AV_NOPTS_VALUE)
1632 start_time += f->start_time;
1633 if (ist->pts >= f->recording_time + start_time) {
1634 close_output_stream(ost);
1639 /* force the input stream PTS */
1640 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1643 if (pkt->pts != AV_NOPTS_VALUE)
1644 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1646 opkt.pts = AV_NOPTS_VALUE;
1648 if (pkt->dts == AV_NOPTS_VALUE)
1649 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1651 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1652 opkt.dts -= ost_tb_start_time;
1654 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1655 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1657 duration = ist->dec_ctx->frame_size;
1658 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1659 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1660 ost->st->time_base) - ost_tb_start_time;
1663 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1664 opkt.flags = pkt->flags;
1666 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1667 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1668 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1669 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1670 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1672 if (av_parser_change(ost->parser, ost->st->codec,
1673 &opkt.data, &opkt.size,
1674 pkt->data, pkt->size,
1675 pkt->flags & AV_PKT_FLAG_KEY)) {
1676 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1681 opkt.data = pkt->data;
1682 opkt.size = pkt->size;
1684 av_copy_packet_side_data(&opkt, pkt);
1686 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1687 /* store AVPicture in AVPacket, as expected by the output format */
1688 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1689 opkt.data = (uint8_t *)&pict;
1690 opkt.size = sizeof(AVPicture);
1691 opkt.flags |= AV_PKT_FLAG_KEY;
1694 write_frame(of->ctx, &opkt, ost);
1697 int guess_input_channel_layout(InputStream *ist)
1699 AVCodecContext *dec = ist->dec_ctx;
1701 if (!dec->channel_layout) {
1702 char layout_name[256];
1704 if (dec->channels > ist->guess_layout_max)
1706 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1707 if (!dec->channel_layout)
1709 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1710 dec->channels, dec->channel_layout);
1711 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1712 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1717 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1719 AVFrame *decoded_frame, *f;
1720 AVCodecContext *avctx = ist->dec_ctx;
1721 int i, ret, err = 0, resample_changed;
1722 AVRational decoded_frame_tb;
1724 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1725 return AVERROR(ENOMEM);
1726 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1727 return AVERROR(ENOMEM);
1728 decoded_frame = ist->decoded_frame;
1730 update_benchmark(NULL);
1731 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1732 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1734 if (ret >= 0 && avctx->sample_rate <= 0) {
1735 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1736 ret = AVERROR_INVALIDDATA;
1739 if (*got_output || ret<0 || pkt->size)
1740 decode_error_stat[ret<0] ++;
1742 if (!*got_output || ret < 0) {
1744 for (i = 0; i < ist->nb_filters; i++)
1746 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1748 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1754 ist->samples_decoded += decoded_frame->nb_samples;
1755 ist->frames_decoded++;
1758 /* increment next_dts to use for the case where the input stream does not
1759 have timestamps or there are multiple frames in the packet */
1760 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1762 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1766 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1767 ist->resample_channels != avctx->channels ||
1768 ist->resample_channel_layout != decoded_frame->channel_layout ||
1769 ist->resample_sample_rate != decoded_frame->sample_rate;
1770 if (resample_changed) {
1771 char layout1[64], layout2[64];
1773 if (!guess_input_channel_layout(ist)) {
1774 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1775 "layout for Input Stream #%d.%d\n", ist->file_index,
1779 decoded_frame->channel_layout = avctx->channel_layout;
1781 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1782 ist->resample_channel_layout);
1783 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1784 decoded_frame->channel_layout);
1786 av_log(NULL, AV_LOG_INFO,
1787 "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",
1788 ist->file_index, ist->st->index,
1789 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1790 ist->resample_channels, layout1,
1791 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1792 avctx->channels, layout2);
1794 ist->resample_sample_fmt = decoded_frame->format;
1795 ist->resample_sample_rate = decoded_frame->sample_rate;
1796 ist->resample_channel_layout = decoded_frame->channel_layout;
1797 ist->resample_channels = avctx->channels;
1799 for (i = 0; i < nb_filtergraphs; i++)
1800 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1801 FilterGraph *fg = filtergraphs[i];
1803 if (configure_filtergraph(fg) < 0) {
1804 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1807 for (j = 0; j < fg->nb_outputs; j++) {
1808 OutputStream *ost = fg->outputs[j]->ost;
1809 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1810 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1811 av_buffersink_set_frame_size(ost->filter->filter,
1812 ost->enc_ctx->frame_size);
1817 /* if the decoder provides a pts, use it instead of the last packet pts.
1818 the decoder could be delaying output by a packet or more. */
1819 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1820 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1821 decoded_frame_tb = avctx->time_base;
1822 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1823 decoded_frame->pts = decoded_frame->pkt_pts;
1824 decoded_frame_tb = ist->st->time_base;
1825 } else if (pkt->pts != AV_NOPTS_VALUE) {
1826 decoded_frame->pts = pkt->pts;
1827 decoded_frame_tb = ist->st->time_base;
1829 decoded_frame->pts = ist->dts;
1830 decoded_frame_tb = AV_TIME_BASE_Q;
1832 pkt->pts = AV_NOPTS_VALUE;
1833 if (decoded_frame->pts != AV_NOPTS_VALUE)
1834 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1835 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1836 (AVRational){1, avctx->sample_rate});
1837 for (i = 0; i < ist->nb_filters; i++) {
1838 if (i < ist->nb_filters - 1) {
1839 f = ist->filter_frame;
1840 err = av_frame_ref(f, decoded_frame);
1845 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1846 AV_BUFFERSRC_FLAG_PUSH);
1847 if (err == AVERROR_EOF)
1848 err = 0; /* ignore */
1852 decoded_frame->pts = AV_NOPTS_VALUE;
1854 av_frame_unref(ist->filter_frame);
1855 av_frame_unref(decoded_frame);
1856 return err < 0 ? err : ret;
1859 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1861 AVFrame *decoded_frame, *f;
1862 int i, ret = 0, err = 0, resample_changed;
1863 int64_t best_effort_timestamp;
1864 AVRational *frame_sample_aspect;
1866 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1867 return AVERROR(ENOMEM);
1868 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1869 return AVERROR(ENOMEM);
1870 decoded_frame = ist->decoded_frame;
1871 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1873 update_benchmark(NULL);
1874 ret = avcodec_decode_video2(ist->dec_ctx,
1875 decoded_frame, got_output, pkt);
1876 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1878 // The following line may be required in some cases where there is no parser
1879 // or the parser does not has_b_frames correctly
1880 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1881 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1882 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1884 av_log_ask_for_sample(
1886 "has_b_frames is larger in decoder than demuxer %d > %d ",
1887 ist->dec_ctx->has_b_frames,
1888 ist->st->codec->has_b_frames
1892 if (*got_output || ret<0 || pkt->size)
1893 decode_error_stat[ret<0] ++;
1895 if (!*got_output || ret < 0) {
1897 for (i = 0; i < ist->nb_filters; i++)
1899 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1901 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1907 if(ist->top_field_first>=0)
1908 decoded_frame->top_field_first = ist->top_field_first;
1910 ist->frames_decoded++;
1912 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1913 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
1917 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1919 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1920 if(best_effort_timestamp != AV_NOPTS_VALUE)
1921 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1924 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1925 "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",
1926 ist->st->index, av_ts2str(decoded_frame->pts),
1927 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1928 best_effort_timestamp,
1929 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1930 decoded_frame->key_frame, decoded_frame->pict_type,
1931 ist->st->time_base.num, ist->st->time_base.den);
1936 if (ist->st->sample_aspect_ratio.num)
1937 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1939 resample_changed = ist->resample_width != decoded_frame->width ||
1940 ist->resample_height != decoded_frame->height ||
1941 ist->resample_pix_fmt != decoded_frame->format;
1942 if (resample_changed) {
1943 av_log(NULL, AV_LOG_INFO,
1944 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1945 ist->file_index, ist->st->index,
1946 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1947 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1949 ist->resample_width = decoded_frame->width;
1950 ist->resample_height = decoded_frame->height;
1951 ist->resample_pix_fmt = decoded_frame->format;
1953 for (i = 0; i < nb_filtergraphs; i++) {
1954 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1955 configure_filtergraph(filtergraphs[i]) < 0) {
1956 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1962 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1963 for (i = 0; i < ist->nb_filters; i++) {
1964 if (!frame_sample_aspect->num)
1965 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1967 if (i < ist->nb_filters - 1) {
1968 f = ist->filter_frame;
1969 err = av_frame_ref(f, decoded_frame);
1974 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1975 if (ret == AVERROR_EOF) {
1976 ret = 0; /* ignore */
1977 } else if (ret < 0) {
1978 av_log(NULL, AV_LOG_FATAL,
1979 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1985 av_frame_unref(ist->filter_frame);
1986 av_frame_unref(decoded_frame);
1987 return err < 0 ? err : ret;
1990 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1992 AVSubtitle subtitle;
1993 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
1994 &subtitle, got_output, pkt);
1996 if (*got_output || ret<0 || pkt->size)
1997 decode_error_stat[ret<0] ++;
1999 if (ret < 0 || !*got_output) {
2001 sub2video_flush(ist);
2005 if (ist->fix_sub_duration) {
2007 if (ist->prev_sub.got_output) {
2008 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2009 1000, AV_TIME_BASE);
2010 if (end < ist->prev_sub.subtitle.end_display_time) {
2011 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2012 "Subtitle duration reduced from %d to %d%s\n",
2013 ist->prev_sub.subtitle.end_display_time, end,
2014 end <= 0 ? ", dropping it" : "");
2015 ist->prev_sub.subtitle.end_display_time = end;
2018 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2019 FFSWAP(int, ret, ist->prev_sub.ret);
2020 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2028 sub2video_update(ist, &subtitle);
2030 if (!subtitle.num_rects)
2033 ist->frames_decoded++;
2035 for (i = 0; i < nb_output_streams; i++) {
2036 OutputStream *ost = output_streams[i];
2038 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2039 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2042 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2046 avsubtitle_free(&subtitle);
2050 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2051 static int output_packet(InputStream *ist, const AVPacket *pkt)
2057 if (!ist->saw_first_ts) {
2058 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;
2060 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2061 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2062 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2064 ist->saw_first_ts = 1;
2067 if (ist->next_dts == AV_NOPTS_VALUE)
2068 ist->next_dts = ist->dts;
2069 if (ist->next_pts == AV_NOPTS_VALUE)
2070 ist->next_pts = ist->pts;
2074 av_init_packet(&avpkt);
2082 if (pkt->dts != AV_NOPTS_VALUE) {
2083 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2084 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2085 ist->next_pts = ist->pts = ist->dts;
2088 // while we have more to decode or while the decoder did output something on EOF
2089 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2093 ist->pts = ist->next_pts;
2094 ist->dts = ist->next_dts;
2096 if (avpkt.size && avpkt.size != pkt->size &&
2097 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2098 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2099 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2100 ist->showed_multi_packet_warning = 1;
2103 switch (ist->dec_ctx->codec_type) {
2104 case AVMEDIA_TYPE_AUDIO:
2105 ret = decode_audio (ist, &avpkt, &got_output);
2107 case AVMEDIA_TYPE_VIDEO:
2108 ret = decode_video (ist, &avpkt, &got_output);
2109 if (avpkt.duration) {
2110 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2111 } else if(ist->dec_ctx->time_base.num != 0 && ist->dec_ctx->time_base.den != 0) {
2112 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2113 duration = ((int64_t)AV_TIME_BASE *
2114 ist->dec_ctx->time_base.num * ticks) /
2115 ist->dec_ctx->time_base.den;
2119 if(ist->dts != AV_NOPTS_VALUE && duration) {
2120 ist->next_dts += duration;
2122 ist->next_dts = AV_NOPTS_VALUE;
2125 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2127 case AVMEDIA_TYPE_SUBTITLE:
2128 ret = transcode_subtitles(ist, &avpkt, &got_output);
2138 avpkt.pts= AV_NOPTS_VALUE;
2140 // touch data and size only if not EOF
2142 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2150 if (got_output && !pkt)
2154 /* handle stream copy */
2155 if (!ist->decoding_needed) {
2156 ist->dts = ist->next_dts;
2157 switch (ist->dec_ctx->codec_type) {
2158 case AVMEDIA_TYPE_AUDIO:
2159 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2160 ist->dec_ctx->sample_rate;
2162 case AVMEDIA_TYPE_VIDEO:
2163 if (ist->framerate.num) {
2164 // TODO: Remove work-around for c99-to-c89 issue 7
2165 AVRational time_base_q = AV_TIME_BASE_Q;
2166 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2167 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2168 } else if (pkt->duration) {
2169 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2170 } else if(ist->dec_ctx->time_base.num != 0) {
2171 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2172 ist->next_dts += ((int64_t)AV_TIME_BASE *
2173 ist->dec_ctx->time_base.num * ticks) /
2174 ist->dec_ctx->time_base.den;
2178 ist->pts = ist->dts;
2179 ist->next_pts = ist->next_dts;
2181 for (i = 0; pkt && i < nb_output_streams; i++) {
2182 OutputStream *ost = output_streams[i];
2184 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2187 do_streamcopy(ist, ost, pkt);
2193 static void print_sdp(void)
2197 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2201 for (i = 0; i < nb_output_files; i++)
2202 avc[i] = output_files[i]->ctx;
2204 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2205 printf("SDP:\n%s\n", sdp);
2210 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2213 for (i = 0; hwaccels[i].name; i++)
2214 if (hwaccels[i].pix_fmt == pix_fmt)
2215 return &hwaccels[i];
2219 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2221 InputStream *ist = s->opaque;
2222 const enum AVPixelFormat *p;
2225 for (p = pix_fmts; *p != -1; p++) {
2226 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2227 const HWAccel *hwaccel;
2229 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2232 hwaccel = get_hwaccel(*p);
2234 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2235 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2238 ret = hwaccel->init(s);
2240 if (ist->hwaccel_id == hwaccel->id) {
2241 av_log(NULL, AV_LOG_FATAL,
2242 "%s hwaccel requested for input stream #%d:%d, "
2243 "but cannot be initialized.\n", hwaccel->name,
2244 ist->file_index, ist->st->index);
2249 ist->active_hwaccel_id = hwaccel->id;
2250 ist->hwaccel_pix_fmt = *p;
2257 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2259 InputStream *ist = s->opaque;
2261 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2262 return ist->hwaccel_get_buffer(s, frame, flags);
2264 return avcodec_default_get_buffer2(s, frame, flags);
2267 static int init_input_stream(int ist_index, char *error, int error_len)
2270 InputStream *ist = input_streams[ist_index];
2272 if (ist->decoding_needed) {
2273 AVCodec *codec = ist->dec;
2275 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2276 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2277 return AVERROR(EINVAL);
2280 ist->dec_ctx->opaque = ist;
2281 ist->dec_ctx->get_format = get_format;
2282 ist->dec_ctx->get_buffer2 = get_buffer;
2283 ist->dec_ctx->thread_safe_callbacks = 1;
2285 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2286 if(ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
2287 av_dict_set(&ist->decoder_opts, "compute_edt", "1", 0);
2289 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2290 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2291 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2292 if (ret == AVERROR_EXPERIMENTAL)
2293 abort_codec_experimental(codec, 0);
2295 snprintf(error, error_len,
2296 "Error while opening decoder for input stream "
2298 ist->file_index, ist->st->index, av_err2str(ret));
2301 assert_avoptions(ist->decoder_opts);
2304 ist->next_pts = AV_NOPTS_VALUE;
2305 ist->next_dts = AV_NOPTS_VALUE;
2310 static InputStream *get_input_stream(OutputStream *ost)
2312 if (ost->source_index >= 0)
2313 return input_streams[ost->source_index];
2317 static int compare_int64(const void *a, const void *b)
2319 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2320 return va < vb ? -1 : va > vb ? +1 : 0;
2323 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2324 AVCodecContext *avctx)
2327 int n = 1, i, size, index = 0;
2330 for (p = kf; *p; p++)
2334 pts = av_malloc_array(size, sizeof(*pts));
2336 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2341 for (i = 0; i < n; i++) {
2342 char *next = strchr(p, ',');
2347 if (!memcmp(p, "chapters", 8)) {
2349 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2352 if (avf->nb_chapters > INT_MAX - size ||
2353 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2355 av_log(NULL, AV_LOG_FATAL,
2356 "Could not allocate forced key frames array.\n");
2359 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2360 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2362 for (j = 0; j < avf->nb_chapters; j++) {
2363 AVChapter *c = avf->chapters[j];
2364 av_assert1(index < size);
2365 pts[index++] = av_rescale_q(c->start, c->time_base,
2366 avctx->time_base) + t;
2371 t = parse_time_or_die("force_key_frames", p, 1);
2372 av_assert1(index < size);
2373 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2380 av_assert0(index == size);
2381 qsort(pts, size, sizeof(*pts), compare_int64);
2382 ost->forced_kf_count = size;
2383 ost->forced_kf_pts = pts;
2386 static void report_new_stream(int input_index, AVPacket *pkt)
2388 InputFile *file = input_files[input_index];
2389 AVStream *st = file->ctx->streams[pkt->stream_index];
2391 if (pkt->stream_index < file->nb_streams_warn)
2393 av_log(file->ctx, AV_LOG_WARNING,
2394 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2395 av_get_media_type_string(st->codec->codec_type),
2396 input_index, pkt->stream_index,
2397 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2398 file->nb_streams_warn = pkt->stream_index + 1;
2401 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2403 AVDictionaryEntry *e;
2405 uint8_t *encoder_string;
2406 int encoder_string_len;
2407 int format_flags = 0;
2408 int codec_flags = 0;
2410 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2413 e = av_dict_get(of->opts, "fflags", NULL, 0);
2415 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2418 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2420 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2422 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2425 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2428 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2429 encoder_string = av_mallocz(encoder_string_len);
2430 if (!encoder_string)
2433 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2434 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2436 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2437 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2438 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2439 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2442 static int transcode_init(void)
2444 int ret = 0, i, j, k;
2445 AVFormatContext *oc;
2451 for (i = 0; i < nb_filtergraphs; i++) {
2452 FilterGraph *fg = filtergraphs[i];
2453 for (j = 0; j < fg->nb_outputs; j++) {
2454 OutputFilter *ofilter = fg->outputs[j];
2455 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2457 if (fg->nb_inputs != 1)
2459 for (k = nb_input_streams-1; k >= 0 ; k--)
2460 if (fg->inputs[0]->ist == input_streams[k])
2462 ofilter->ost->source_index = k;
2466 /* init framerate emulation */
2467 for (i = 0; i < nb_input_files; i++) {
2468 InputFile *ifile = input_files[i];
2469 if (ifile->rate_emu)
2470 for (j = 0; j < ifile->nb_streams; j++)
2471 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2474 /* output stream init */
2475 for (i = 0; i < nb_output_files; i++) {
2476 oc = output_files[i]->ctx;
2477 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2478 av_dump_format(oc, i, oc->filename, 1);
2479 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2480 return AVERROR(EINVAL);
2484 /* init complex filtergraphs */
2485 for (i = 0; i < nb_filtergraphs; i++)
2486 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2489 /* for each output stream, we compute the right encoding parameters */
2490 for (i = 0; i < nb_output_streams; i++) {
2491 AVCodecContext *enc_ctx;
2492 AVCodecContext *dec_ctx = NULL;
2493 ost = output_streams[i];
2494 oc = output_files[ost->file_index]->ctx;
2495 ist = get_input_stream(ost);
2497 if (ost->attachment_filename)
2500 enc_ctx = ost->enc_ctx;
2503 dec_ctx = ist->dec_ctx;
2505 ost->st->disposition = ist->st->disposition;
2506 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2507 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2509 for (j=0; j<oc->nb_streams; j++) {
2510 AVStream *st = oc->streams[j];
2511 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2514 if (j == oc->nb_streams)
2515 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2516 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2519 if (ost->stream_copy) {
2521 uint64_t extra_size;
2523 av_assert0(ist && !ost->filter);
2525 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2527 if (extra_size > INT_MAX) {
2528 return AVERROR(EINVAL);
2531 /* if stream_copy is selected, no need to decode or encode */
2532 enc_ctx->codec_id = dec_ctx->codec_id;
2533 enc_ctx->codec_type = dec_ctx->codec_type;
2535 if (!enc_ctx->codec_tag) {
2536 unsigned int codec_tag;
2537 if (!oc->oformat->codec_tag ||
2538 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2539 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2540 enc_ctx->codec_tag = dec_ctx->codec_tag;
2543 enc_ctx->bit_rate = dec_ctx->bit_rate;
2544 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2545 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2546 enc_ctx->field_order = dec_ctx->field_order;
2547 enc_ctx->extradata = av_mallocz(extra_size);
2548 if (!enc_ctx->extradata) {
2549 return AVERROR(ENOMEM);
2551 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2552 enc_ctx->extradata_size= dec_ctx->extradata_size;
2553 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2555 enc_ctx->time_base = ist->st->time_base;
2557 * Avi is a special case here because it supports variable fps but
2558 * having the fps and timebase differe significantly adds quite some
2561 if(!strcmp(oc->oformat->name, "avi")) {
2562 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2563 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2564 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2565 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2567 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2568 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2569 enc_ctx->ticks_per_frame = 2;
2570 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2571 && av_q2d(ist->st->time_base) < 1.0/500
2573 enc_ctx->time_base = dec_ctx->time_base;
2574 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2575 enc_ctx->time_base.den *= 2;
2576 enc_ctx->ticks_per_frame = 2;
2578 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2579 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2580 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2581 && strcmp(oc->oformat->name, "f4v")
2583 if( copy_tb<0 && dec_ctx->time_base.den
2584 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 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;
2591 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2592 && dec_ctx->time_base.num < dec_ctx->time_base.den
2593 && dec_ctx->time_base.num > 0
2594 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2595 enc_ctx->time_base = dec_ctx->time_base;
2598 if (ist && !ost->frame_rate.num)
2599 ost->frame_rate = ist->framerate;
2600 if(ost->frame_rate.num)
2601 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2603 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2604 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2606 ost->parser = av_parser_init(enc_ctx->codec_id);
2608 switch (enc_ctx->codec_type) {
2609 case AVMEDIA_TYPE_AUDIO:
2610 if (audio_volume != 256) {
2611 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2614 enc_ctx->channel_layout = dec_ctx->channel_layout;
2615 enc_ctx->sample_rate = dec_ctx->sample_rate;
2616 enc_ctx->channels = dec_ctx->channels;
2617 enc_ctx->frame_size = dec_ctx->frame_size;
2618 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2619 enc_ctx->block_align = dec_ctx->block_align;
2620 enc_ctx->delay = dec_ctx->delay;
2621 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2622 enc_ctx->block_align= 0;
2623 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2624 enc_ctx->block_align= 0;
2626 case AVMEDIA_TYPE_VIDEO:
2627 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2628 enc_ctx->width = dec_ctx->width;
2629 enc_ctx->height = dec_ctx->height;
2630 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2631 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2633 av_mul_q(ost->frame_aspect_ratio,
2634 (AVRational){ enc_ctx->height, enc_ctx->width });
2635 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2636 "with stream copy may produce invalid files\n");
2638 else if (ist->st->sample_aspect_ratio.num)
2639 sar = ist->st->sample_aspect_ratio;
2641 sar = dec_ctx->sample_aspect_ratio;
2642 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2643 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2645 case AVMEDIA_TYPE_SUBTITLE:
2646 enc_ctx->width = dec_ctx->width;
2647 enc_ctx->height = dec_ctx->height;
2649 case AVMEDIA_TYPE_DATA:
2650 case AVMEDIA_TYPE_ATTACHMENT:
2657 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2659 /* should only happen when a default codec is not present. */
2660 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2661 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2662 ret = AVERROR(EINVAL);
2667 ist->decoding_needed++;
2668 ost->encoding_needed = 1;
2670 set_encoder_id(output_files[ost->file_index], ost);
2673 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2674 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2676 fg = init_simple_filtergraph(ist, ost);
2677 if (configure_filtergraph(fg)) {
2678 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2683 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2684 if (ost->filter && !ost->frame_rate.num)
2685 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2686 if (ist && !ost->frame_rate.num)
2687 ost->frame_rate = ist->framerate;
2688 if (ist && !ost->frame_rate.num)
2689 ost->frame_rate = ist->st->r_frame_rate;
2690 if (ist && !ost->frame_rate.num) {
2691 ost->frame_rate = (AVRational){25, 1};
2692 av_log(NULL, AV_LOG_WARNING,
2694 "about the input framerate is available. Falling "
2695 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2696 "if you want a different framerate.\n",
2697 ost->file_index, ost->index);
2699 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2700 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2701 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2702 ost->frame_rate = ost->enc->supported_framerates[idx];
2704 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2705 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2706 ost->frame_rate.num, ost->frame_rate.den, 65535);
2710 switch (enc_ctx->codec_type) {
2711 case AVMEDIA_TYPE_AUDIO:
2712 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2713 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2714 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2715 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2716 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2718 case AVMEDIA_TYPE_VIDEO:
2719 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2720 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2721 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2722 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2723 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2724 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2725 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2727 for (j = 0; j < ost->forced_kf_count; j++)
2728 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2730 enc_ctx->time_base);
2732 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2733 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2734 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2735 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2736 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2737 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2738 if (!strncmp(ost->enc->name, "libx264", 7) &&
2739 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2740 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2741 av_log(NULL, AV_LOG_WARNING,
2742 "No pixel format specified, %s for H.264 encoding chosen.\n"
2743 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2744 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2745 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2746 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2747 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2748 av_log(NULL, AV_LOG_WARNING,
2749 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2750 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2751 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2752 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2754 ost->st->avg_frame_rate = ost->frame_rate;
2757 enc_ctx->width != dec_ctx->width ||
2758 enc_ctx->height != dec_ctx->height ||
2759 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2760 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2763 if (ost->forced_keyframes) {
2764 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2765 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2766 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2768 av_log(NULL, AV_LOG_ERROR,
2769 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2772 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2773 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2774 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2775 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2777 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2781 case AVMEDIA_TYPE_SUBTITLE:
2782 enc_ctx->time_base = (AVRational){1, 1000};
2783 if (!enc_ctx->width) {
2784 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2785 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2793 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2794 char logfilename[1024];
2797 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2798 ost->logfile_prefix ? ost->logfile_prefix :
2799 DEFAULT_PASS_LOGFILENAME_PREFIX,
2801 if (!strcmp(ost->enc->name, "libx264")) {
2802 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2804 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2806 size_t logbuffer_size;
2807 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2808 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2812 enc_ctx->stats_in = logbuffer;
2814 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2815 f = av_fopen_utf8(logfilename, "wb");
2817 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2818 logfilename, strerror(errno));
2828 /* open each encoder */
2829 for (i = 0; i < nb_output_streams; i++) {
2830 ost = output_streams[i];
2831 if (ost->encoding_needed) {
2832 AVCodec *codec = ost->enc;
2833 AVCodecContext *dec = NULL;
2835 if ((ist = get_input_stream(ost)))
2837 if (dec && dec->subtitle_header) {
2838 /* ASS code assumes this buffer is null terminated so add extra byte. */
2839 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2840 if (!ost->enc_ctx->subtitle_header) {
2841 ret = AVERROR(ENOMEM);
2844 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2845 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2847 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2848 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2849 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
2851 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2852 if (ret == AVERROR_EXPERIMENTAL)
2853 abort_codec_experimental(codec, 1);
2854 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2855 ost->file_index, ost->index);
2858 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2859 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2860 av_buffersink_set_frame_size(ost->filter->filter,
2861 ost->enc_ctx->frame_size);
2862 assert_avoptions(ost->encoder_opts);
2863 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2864 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2865 " It takes bits/s as argument, not kbits/s\n");
2867 if (av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts) < 0) {
2868 av_log(NULL, AV_LOG_FATAL,
2869 "Error setting up codec context options.\n");
2874 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2876 av_log(NULL, AV_LOG_FATAL,
2877 "Error initializing the output stream codec context.\n");
2880 ost->st->codec->codec= ost->enc_ctx->codec;
2883 /* init input streams */
2884 for (i = 0; i < nb_input_streams; i++)
2885 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2886 for (i = 0; i < nb_output_streams; i++) {
2887 ost = output_streams[i];
2888 avcodec_close(ost->enc_ctx);
2893 /* discard unused programs */
2894 for (i = 0; i < nb_input_files; i++) {
2895 InputFile *ifile = input_files[i];
2896 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2897 AVProgram *p = ifile->ctx->programs[j];
2898 int discard = AVDISCARD_ALL;
2900 for (k = 0; k < p->nb_stream_indexes; k++)
2901 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2902 discard = AVDISCARD_DEFAULT;
2905 p->discard = discard;
2909 /* open files and write file headers */
2910 for (i = 0; i < nb_output_files; i++) {
2911 oc = output_files[i]->ctx;
2912 oc->interrupt_callback = int_cb;
2913 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2914 snprintf(error, sizeof(error),
2915 "Could not write header for output file #%d "
2916 "(incorrect codec parameters ?): %s",
2917 i, av_err2str(ret));
2918 ret = AVERROR(EINVAL);
2921 // assert_avoptions(output_files[i]->opts);
2922 if (strcmp(oc->oformat->name, "rtp")) {
2928 /* dump the file output parameters - cannot be done before in case
2930 for (i = 0; i < nb_output_files; i++) {
2931 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2934 /* dump the stream mapping */
2935 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2936 for (i = 0; i < nb_input_streams; i++) {
2937 ist = input_streams[i];
2939 for (j = 0; j < ist->nb_filters; j++) {
2940 if (ist->filters[j]->graph->graph_desc) {
2941 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2942 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2943 ist->filters[j]->name);
2944 if (nb_filtergraphs > 1)
2945 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2946 av_log(NULL, AV_LOG_INFO, "\n");
2951 for (i = 0; i < nb_output_streams; i++) {
2952 ost = output_streams[i];
2954 if (ost->attachment_filename) {
2955 /* an attached file */
2956 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2957 ost->attachment_filename, ost->file_index, ost->index);
2961 if (ost->filter && ost->filter->graph->graph_desc) {
2962 /* output from a complex graph */
2963 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2964 if (nb_filtergraphs > 1)
2965 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2967 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2968 ost->index, ost->enc ? ost->enc->name : "?");
2972 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2973 input_streams[ost->source_index]->file_index,
2974 input_streams[ost->source_index]->st->index,
2977 if (ost->sync_ist != input_streams[ost->source_index])
2978 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2979 ost->sync_ist->file_index,
2980 ost->sync_ist->st->index);
2981 if (ost->stream_copy)
2982 av_log(NULL, AV_LOG_INFO, " (copy)");
2984 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2985 const AVCodec *out_codec = ost->enc;
2986 const char *decoder_name = "?";
2987 const char *in_codec_name = "?";
2988 const char *encoder_name = "?";
2989 const char *out_codec_name = "?";
2992 decoder_name = in_codec->name;
2993 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
2994 if (!strcmp(decoder_name, in_codec_name))
2995 decoder_name = "native";
2999 encoder_name = out_codec->name;
3000 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3001 if (!strcmp(encoder_name, out_codec_name))
3002 encoder_name = "native";
3005 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3006 in_codec_name, decoder_name,
3007 out_codec_name, encoder_name);
3009 av_log(NULL, AV_LOG_INFO, "\n");
3013 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3021 transcode_init_done = 1;
3026 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3027 static int need_output(void)
3031 for (i = 0; i < nb_output_streams; i++) {
3032 OutputStream *ost = output_streams[i];
3033 OutputFile *of = output_files[ost->file_index];
3034 AVFormatContext *os = output_files[ost->file_index]->ctx;
3036 if (ost->finished ||
3037 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3039 if (ost->frame_number >= ost->max_frames) {
3041 for (j = 0; j < of->ctx->nb_streams; j++)
3042 close_output_stream(output_streams[of->ost_index + j]);
3053 * Select the output stream to process.
3055 * @return selected output stream, or NULL if none available
3057 static OutputStream *choose_output(void)
3060 int64_t opts_min = INT64_MAX;
3061 OutputStream *ost_min = NULL;
3063 for (i = 0; i < nb_output_streams; i++) {
3064 OutputStream *ost = output_streams[i];
3065 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3067 if (!ost->unavailable && !ost->finished && opts < opts_min) {
3075 static int check_keyboard_interaction(int64_t cur_time)
3078 static int64_t last_time;
3079 if (received_nb_signals)
3080 return AVERROR_EXIT;
3081 /* read_key() returns 0 on EOF */
3082 if(cur_time - last_time >= 100000 && !run_as_daemon){
3084 last_time = cur_time;
3088 return AVERROR_EXIT;
3089 if (key == '+') av_log_set_level(av_log_get_level()+10);
3090 if (key == '-') av_log_set_level(av_log_get_level()-10);
3091 if (key == 's') qp_hist ^= 1;
3094 do_hex_dump = do_pkt_dump = 0;
3095 } else if(do_pkt_dump){
3099 av_log_set_level(AV_LOG_DEBUG);
3101 if (key == 'c' || key == 'C'){
3102 char buf[4096], target[64], command[256], arg[256] = {0};
3105 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3107 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3112 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3113 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3114 target, time, command, arg);
3115 for (i = 0; i < nb_filtergraphs; i++) {
3116 FilterGraph *fg = filtergraphs[i];
3119 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3120 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3121 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3122 } else if (key == 'c') {
3123 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3124 ret = AVERROR_PATCHWELCOME;
3126 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3131 av_log(NULL, AV_LOG_ERROR,
3132 "Parse error, at least 3 arguments were expected, "
3133 "only %d given in string '%s'\n", n, buf);
3136 if (key == 'd' || key == 'D'){
3139 debug = input_streams[0]->st->codec->debug<<1;
3140 if(!debug) debug = 1;
3141 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3144 if(scanf("%d", &debug)!=1)
3145 fprintf(stderr,"error parsing debug value\n");
3146 for(i=0;i<nb_input_streams;i++) {
3147 input_streams[i]->st->codec->debug = debug;
3149 for(i=0;i<nb_output_streams;i++) {
3150 OutputStream *ost = output_streams[i];
3151 ost->enc_ctx->debug = debug;
3153 if(debug) av_log_set_level(AV_LOG_DEBUG);
3154 fprintf(stderr,"debug=%d\n", debug);
3157 fprintf(stderr, "key function\n"
3158 "? show this help\n"
3159 "+ increase verbosity\n"
3160 "- decrease verbosity\n"
3161 "c Send command to first matching filter supporting it\n"
3162 "C Send/Que command to all matching filters\n"
3163 "D cycle through available debug modes\n"
3164 "h dump packets/hex press to cycle through the 3 states\n"
3166 "s Show QP histogram\n"
3173 static void *input_thread(void *arg)
3180 ret = av_read_frame(f->ctx, &pkt);
3182 if (ret == AVERROR(EAGAIN)) {
3187 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3190 av_dup_packet(&pkt);
3191 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3193 if (ret != AVERROR_EOF)
3194 av_log(f->ctx, AV_LOG_ERROR,
3195 "Unable to send packet to main thread: %s\n",
3197 av_free_packet(&pkt);
3198 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3206 static void free_input_threads(void)
3210 for (i = 0; i < nb_input_files; i++) {
3211 InputFile *f = input_files[i];
3214 if (!f->in_thread_queue)
3216 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3217 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3218 av_free_packet(&pkt);
3220 pthread_join(f->thread, NULL);
3222 av_thread_message_queue_free(&f->in_thread_queue);
3226 static int init_input_threads(void)
3230 if (nb_input_files == 1)
3233 for (i = 0; i < nb_input_files; i++) {
3234 InputFile *f = input_files[i];
3236 if (f->ctx->pb ? !f->ctx->pb->seekable :
3237 strcmp(f->ctx->iformat->name, "lavfi"))
3238 f->non_blocking = 1;
3239 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3240 8, sizeof(AVPacket));
3244 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3245 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3246 av_thread_message_queue_free(&f->in_thread_queue);
3247 return AVERROR(ret);
3253 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3255 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3257 AV_THREAD_MESSAGE_NONBLOCK : 0);
3261 static int get_input_packet(InputFile *f, AVPacket *pkt)
3265 for (i = 0; i < f->nb_streams; i++) {
3266 InputStream *ist = input_streams[f->ist_index + i];
3267 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3268 int64_t now = av_gettime_relative() - ist->start;
3270 return AVERROR(EAGAIN);
3275 if (nb_input_files > 1)
3276 return get_input_packet_mt(f, pkt);
3278 return av_read_frame(f->ctx, pkt);
3281 static int got_eagain(void)
3284 for (i = 0; i < nb_output_streams; i++)
3285 if (output_streams[i]->unavailable)
3290 static void reset_eagain(void)
3293 for (i = 0; i < nb_input_files; i++)
3294 input_files[i]->eagain = 0;
3295 for (i = 0; i < nb_output_streams; i++)
3296 output_streams[i]->unavailable = 0;
3301 * - 0 -- one packet was read and processed
3302 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3303 * this function should be called again
3304 * - AVERROR_EOF -- this function should not be called again
3306 static int process_input(int file_index)
3308 InputFile *ifile = input_files[file_index];
3309 AVFormatContext *is;
3315 ret = get_input_packet(ifile, &pkt);
3317 if (ret == AVERROR(EAGAIN)) {
3322 if (ret != AVERROR_EOF) {
3323 print_error(is->filename, ret);
3328 for (i = 0; i < ifile->nb_streams; i++) {
3329 ist = input_streams[ifile->ist_index + i];
3330 if (ist->decoding_needed) {
3331 ret = output_packet(ist, NULL);
3336 /* mark all outputs that don't go through lavfi as finished */
3337 for (j = 0; j < nb_output_streams; j++) {
3338 OutputStream *ost = output_streams[j];
3340 if (ost->source_index == ifile->ist_index + i &&
3341 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3342 finish_output_stream(ost);
3346 ifile->eof_reached = 1;
3347 return AVERROR(EAGAIN);
3353 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3354 is->streams[pkt.stream_index]);
3356 /* the following test is needed in case new streams appear
3357 dynamically in stream : we ignore them */
3358 if (pkt.stream_index >= ifile->nb_streams) {
3359 report_new_stream(file_index, &pkt);
3360 goto discard_packet;
3363 ist = input_streams[ifile->ist_index + pkt.stream_index];
3365 ist->data_size += pkt.size;
3369 goto discard_packet;
3372 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3373 "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",
3374 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3375 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3376 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3377 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3378 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3379 av_ts2str(input_files[ist->file_index]->ts_offset),
3380 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3383 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3384 int64_t stime, stime2;
3385 // Correcting starttime based on the enabled streams
3386 // 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.
3387 // so we instead do it here as part of discontinuity handling
3388 if ( ist->next_dts == AV_NOPTS_VALUE
3389 && ifile->ts_offset == -is->start_time
3390 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3391 int64_t new_start_time = INT64_MAX;
3392 for (i=0; i<is->nb_streams; i++) {
3393 AVStream *st = is->streams[i];
3394 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3396 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3398 if (new_start_time > is->start_time) {
3399 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3400 ifile->ts_offset = -new_start_time;
3404 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3405 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3406 ist->wrap_correction_done = 1;
3408 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3409 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3410 ist->wrap_correction_done = 0;
3412 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3413 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3414 ist->wrap_correction_done = 0;
3418 /* add the stream-global side data to the first packet */
3419 if (ist->nb_packets == 1)
3420 if (ist->st->nb_side_data)
3421 av_packet_split_side_data(&pkt);
3422 for (i = 0; i < ist->st->nb_side_data; i++) {
3423 AVPacketSideData *src_sd = &ist->st->side_data[i];
3426 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3429 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3433 memcpy(dst_data, src_sd->data, src_sd->size);
3436 if (pkt.dts != AV_NOPTS_VALUE)
3437 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3438 if (pkt.pts != AV_NOPTS_VALUE)
3439 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3441 if (pkt.pts != AV_NOPTS_VALUE)
3442 pkt.pts *= ist->ts_scale;
3443 if (pkt.dts != AV_NOPTS_VALUE)
3444 pkt.dts *= ist->ts_scale;
3446 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3447 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3448 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3449 int64_t delta = pkt_dts - ifile->last_ts;
3450 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3451 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3452 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3453 ifile->ts_offset -= delta;
3454 av_log(NULL, AV_LOG_DEBUG,
3455 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3456 delta, ifile->ts_offset);
3457 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3458 if (pkt.pts != AV_NOPTS_VALUE)
3459 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3463 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != 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 - ist->next_dts;
3467 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3468 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3469 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3470 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3471 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3472 ifile->ts_offset -= delta;
3473 av_log(NULL, AV_LOG_DEBUG,
3474 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3475 delta, ifile->ts_offset);
3476 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3477 if (pkt.pts != AV_NOPTS_VALUE)
3478 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3481 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3482 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3483 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3484 pkt.dts = AV_NOPTS_VALUE;
3486 if (pkt.pts != AV_NOPTS_VALUE){
3487 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3488 delta = pkt_pts - ist->next_dts;
3489 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3490 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3491 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3492 pkt.pts = AV_NOPTS_VALUE;
3498 if (pkt.dts != AV_NOPTS_VALUE)
3499 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3502 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",
3503 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3504 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3505 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3506 av_ts2str(input_files[ist->file_index]->ts_offset),
3507 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3510 sub2video_heartbeat(ist, pkt.pts);
3512 ret = output_packet(ist, &pkt);
3514 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3515 ist->file_index, ist->st->index, av_err2str(ret));
3521 av_free_packet(&pkt);
3527 * Perform a step of transcoding for the specified filter graph.
3529 * @param[in] graph filter graph to consider
3530 * @param[out] best_ist input stream where a frame would allow to continue
3531 * @return 0 for success, <0 for error
3533 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3536 int nb_requests, nb_requests_max = 0;
3537 InputFilter *ifilter;
3541 ret = avfilter_graph_request_oldest(graph->graph);
3543 return reap_filters();
3545 if (ret == AVERROR_EOF) {
3546 ret = reap_filters();
3547 for (i = 0; i < graph->nb_outputs; i++)
3548 close_output_stream(graph->outputs[i]->ost);
3551 if (ret != AVERROR(EAGAIN))
3554 for (i = 0; i < graph->nb_inputs; i++) {
3555 ifilter = graph->inputs[i];
3557 if (input_files[ist->file_index]->eagain ||
3558 input_files[ist->file_index]->eof_reached)
3560 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3561 if (nb_requests > nb_requests_max) {
3562 nb_requests_max = nb_requests;
3568 for (i = 0; i < graph->nb_outputs; i++)
3569 graph->outputs[i]->ost->unavailable = 1;
3575 * Run a single step of transcoding.
3577 * @return 0 for success, <0 for error
3579 static int transcode_step(void)
3585 ost = choose_output();
3592 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3597 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3602 av_assert0(ost->source_index >= 0);
3603 ist = input_streams[ost->source_index];
3606 ret = process_input(ist->file_index);
3607 if (ret == AVERROR(EAGAIN)) {
3608 if (input_files[ist->file_index]->eagain)
3609 ost->unavailable = 1;
3613 return ret == AVERROR_EOF ? 0 : ret;
3615 return reap_filters();
3619 * The following code is the main loop of the file converter
3621 static int transcode(void)
3624 AVFormatContext *os;
3627 int64_t timer_start;
3629 ret = transcode_init();
3633 if (stdin_interaction) {
3634 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3637 timer_start = av_gettime_relative();
3640 if ((ret = init_input_threads()) < 0)
3644 while (!received_sigterm) {
3645 int64_t cur_time= av_gettime_relative();
3647 /* if 'q' pressed, exits */
3648 if (stdin_interaction)
3649 if (check_keyboard_interaction(cur_time) < 0)
3652 /* check if there's any stream where output is still needed */
3653 if (!need_output()) {
3654 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3658 ret = transcode_step();
3660 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3663 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3667 /* dump report by using the output first video and audio streams */
3668 print_report(0, timer_start, cur_time);
3671 free_input_threads();
3674 /* at the end of stream, we must flush the decoder buffers */
3675 for (i = 0; i < nb_input_streams; i++) {
3676 ist = input_streams[i];
3677 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3678 output_packet(ist, NULL);
3685 /* write the trailer if needed and close file */
3686 for (i = 0; i < nb_output_files; i++) {
3687 os = output_files[i]->ctx;
3688 av_write_trailer(os);
3691 /* dump report by using the first video and audio streams */
3692 print_report(1, timer_start, av_gettime_relative());
3694 /* close each encoder */
3695 for (i = 0; i < nb_output_streams; i++) {
3696 ost = output_streams[i];
3697 if (ost->encoding_needed) {
3698 av_freep(&ost->enc_ctx->stats_in);
3702 /* close each decoder */
3703 for (i = 0; i < nb_input_streams; i++) {
3704 ist = input_streams[i];
3705 if (ist->decoding_needed) {
3706 avcodec_close(ist->dec_ctx);
3707 if (ist->hwaccel_uninit)
3708 ist->hwaccel_uninit(ist->dec_ctx);
3717 free_input_threads();
3720 if (output_streams) {
3721 for (i = 0; i < nb_output_streams; i++) {
3722 ost = output_streams[i];
3725 fclose(ost->logfile);
3726 ost->logfile = NULL;
3728 av_freep(&ost->forced_kf_pts);
3729 av_freep(&ost->apad);
3730 av_dict_free(&ost->encoder_opts);
3731 av_dict_free(&ost->swr_opts);
3732 av_dict_free(&ost->resample_opts);
3740 static int64_t getutime(void)
3743 struct rusage rusage;
3745 getrusage(RUSAGE_SELF, &rusage);
3746 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3747 #elif HAVE_GETPROCESSTIMES
3749 FILETIME c, e, k, u;
3750 proc = GetCurrentProcess();
3751 GetProcessTimes(proc, &c, &e, &k, &u);
3752 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3754 return av_gettime();
3758 static int64_t getmaxrss(void)
3760 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3761 struct rusage rusage;
3762 getrusage(RUSAGE_SELF, &rusage);
3763 return (int64_t)rusage.ru_maxrss * 1024;
3764 #elif HAVE_GETPROCESSMEMORYINFO
3766 PROCESS_MEMORY_COUNTERS memcounters;
3767 proc = GetCurrentProcess();
3768 memcounters.cb = sizeof(memcounters);
3769 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3770 return memcounters.PeakPagefileUsage;
3776 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3780 int main(int argc, char **argv)
3785 register_exit(ffmpeg_cleanup);
3787 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3789 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3790 parse_loglevel(argc, argv, options);
3792 if(argc>1 && !strcmp(argv[1], "-d")){
3794 av_log_set_callback(log_callback_null);
3799 avcodec_register_all();
3801 avdevice_register_all();
3803 avfilter_register_all();
3805 avformat_network_init();
3807 show_banner(argc, argv, options);
3811 /* parse options and open all input/output files */
3812 ret = ffmpeg_parse_options(argc, argv);
3816 if (nb_output_files <= 0 && nb_input_files == 0) {
3818 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3822 /* file converter / grab */
3823 if (nb_output_files <= 0) {
3824 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3828 // if (nb_input_files == 0) {
3829 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3833 current_time = ti = getutime();
3834 if (transcode() < 0)
3836 ti = getutime() - ti;
3838 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3840 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3841 decode_error_stat[0], decode_error_stat[1]);
3842 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3845 exit_program(received_nb_signals ? 255 : main_return_code);
3846 return main_return_code;