2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavformat/os_support.h"
64 #include "libavformat/ffm.h" // not public API
66 # include "libavfilter/avcodec.h"
67 # include "libavfilter/avfilter.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
73 #include <sys/types.h>
74 #include <sys/resource.h>
75 #elif HAVE_GETPROCESSTIMES
78 #if HAVE_GETPROCESSMEMORYINFO
84 #include <sys/select.h>
89 #include <sys/ioctl.h>
103 #include "cmdutils.h"
105 #include "libavutil/avassert.h"
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 static FILE *vstats_file;
112 const char *const forced_keyframes_const_names[] = {
121 static void do_video_stats(OutputStream *ost, int frame_size);
122 static int64_t getutime(void);
123 static int64_t getmaxrss(void);
125 static int run_as_daemon = 0;
126 static int nb_frames_dup = 0;
127 static int nb_frames_drop = 0;
128 static int64_t decode_error_stat[2];
130 static int current_time;
131 AVIOContext *progress_avio = NULL;
133 static uint8_t *subtitle_out;
136 /* signal to input threads that they should exit; set by the main thread */
137 static int transcoding_finished;
140 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
142 InputStream **input_streams = NULL;
143 int nb_input_streams = 0;
144 InputFile **input_files = NULL;
145 int nb_input_files = 0;
147 OutputStream **output_streams = NULL;
148 int nb_output_streams = 0;
149 OutputFile **output_files = NULL;
150 int nb_output_files = 0;
152 FilterGraph **filtergraphs;
157 /* init terminal so that we can grab keys */
158 static struct termios oldtty;
159 static int restore_tty;
162 static void free_input_threads(void);
166 Convert subtitles to video with alpha to insert them in filter graphs.
167 This is a temporary solution until libavfilter gets real subtitles support.
170 static int sub2video_get_blank_frame(InputStream *ist)
173 AVFrame *frame = ist->sub2video.frame;
175 av_frame_unref(frame);
176 ist->sub2video.frame->width = ist->sub2video.w;
177 ist->sub2video.frame->height = ist->sub2video.h;
178 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
179 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
181 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
185 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
188 uint32_t *pal, *dst2;
192 if (r->type != SUBTITLE_BITMAP) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
196 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
197 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
201 dst += r->y * dst_linesize + r->x * 4;
202 src = r->pict.data[0];
203 pal = (uint32_t *)r->pict.data[1];
204 for (y = 0; y < r->h; y++) {
205 dst2 = (uint32_t *)dst;
207 for (x = 0; x < r->w; x++)
208 *(dst2++) = pal[*(src2++)];
210 src += r->pict.linesize[0];
214 static void sub2video_push_ref(InputStream *ist, int64_t pts)
216 AVFrame *frame = ist->sub2video.frame;
219 av_assert1(frame->data[0]);
220 ist->sub2video.last_pts = frame->pts = pts;
221 for (i = 0; i < ist->nb_filters; i++)
222 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
223 AV_BUFFERSRC_FLAG_KEEP_REF |
224 AV_BUFFERSRC_FLAG_PUSH);
227 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
229 int w = ist->sub2video.w, h = ist->sub2video.h;
230 AVFrame *frame = ist->sub2video.frame;
234 int64_t pts, end_pts;
239 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
240 AV_TIME_BASE_Q, ist->st->time_base);
241 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
242 AV_TIME_BASE_Q, ist->st->time_base);
243 num_rects = sub->num_rects;
245 pts = ist->sub2video.end_pts;
249 if (sub2video_get_blank_frame(ist) < 0) {
250 av_log(ist->st->codec, AV_LOG_ERROR,
251 "Impossible to get a blank canvas.\n");
254 dst = frame->data [0];
255 dst_linesize = frame->linesize[0];
256 for (i = 0; i < num_rects; i++)
257 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
258 sub2video_push_ref(ist, pts);
259 ist->sub2video.end_pts = end_pts;
262 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
264 InputFile *infile = input_files[ist->file_index];
268 /* When a frame is read from a file, examine all sub2video streams in
269 the same file and send the sub2video frame again. Otherwise, decoded
270 video frames could be accumulating in the filter graph while a filter
271 (possibly overlay) is desperately waiting for a subtitle frame. */
272 for (i = 0; i < infile->nb_streams; i++) {
273 InputStream *ist2 = input_streams[infile->ist_index + i];
274 if (!ist2->sub2video.frame)
276 /* subtitles seem to be usually muxed ahead of other streams;
277 if not, substracting a larger time here is necessary */
278 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
279 /* do not send the heartbeat frame if the subtitle is already ahead */
280 if (pts2 <= ist2->sub2video.last_pts)
282 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
283 sub2video_update(ist2, NULL);
284 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
285 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
287 sub2video_push_ref(ist2, pts2);
291 static void sub2video_flush(InputStream *ist)
295 if (ist->sub2video.end_pts < INT64_MAX)
296 sub2video_update(ist, NULL);
297 for (i = 0; i < ist->nb_filters; i++)
298 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
301 /* end of sub2video hack */
303 static void term_exit_sigsafe(void)
307 tcsetattr (0, TCSANOW, &oldtty);
313 av_log(NULL, AV_LOG_QUIET, "%s", "");
317 static volatile int received_sigterm = 0;
318 static volatile int received_nb_signals = 0;
319 static volatile int transcode_init_done = 0;
320 static int main_return_code = 0;
323 sigterm_handler(int sig)
325 received_sigterm = sig;
326 received_nb_signals++;
328 if(received_nb_signals > 3)
339 istty = isatty(0) && isatty(2);
341 if (istty && tcgetattr (0, &tty) == 0) {
345 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
346 |INLCR|IGNCR|ICRNL|IXON);
347 tty.c_oflag |= OPOST;
348 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
349 tty.c_cflag &= ~(CSIZE|PARENB);
354 tcsetattr (0, TCSANOW, &tty);
356 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
359 avformat_network_deinit();
361 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
362 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
364 signal(SIGXCPU, sigterm_handler);
368 /* read a key without blocking */
369 static int read_key(void)
381 n = select(1, &rfds, NULL, NULL, &tv);
390 # if HAVE_PEEKNAMEDPIPE
392 static HANDLE input_handle;
395 input_handle = GetStdHandle(STD_INPUT_HANDLE);
396 is_pipe = !GetConsoleMode(input_handle, &dw);
399 if (stdin->_cnt > 0) {
404 /* When running under a GUI, you will end here. */
405 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
406 // input pipe may have been closed by the program that ran ffmpeg
424 static int decode_interrupt_cb(void *ctx)
426 return received_nb_signals > transcode_init_done;
429 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
431 static void ffmpeg_cleanup(int ret)
436 int maxrss = getmaxrss() / 1024;
437 printf("bench: maxrss=%ikB\n", maxrss);
440 for (i = 0; i < nb_filtergraphs; i++) {
441 FilterGraph *fg = filtergraphs[i];
442 avfilter_graph_free(&fg->graph);
443 for (j = 0; j < fg->nb_inputs; j++) {
444 av_freep(&fg->inputs[j]->name);
445 av_freep(&fg->inputs[j]);
447 av_freep(&fg->inputs);
448 for (j = 0; j < fg->nb_outputs; j++) {
449 av_freep(&fg->outputs[j]->name);
450 av_freep(&fg->outputs[j]);
452 av_freep(&fg->outputs);
453 av_freep(&fg->graph_desc);
455 av_freep(&filtergraphs[i]);
457 av_freep(&filtergraphs);
459 av_freep(&subtitle_out);
462 for (i = 0; i < nb_output_files; i++) {
463 OutputFile *of = output_files[i];
464 AVFormatContext *s = of->ctx;
465 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
467 avformat_free_context(s);
468 av_dict_free(&of->opts);
470 av_freep(&output_files[i]);
472 for (i = 0; i < nb_output_streams; i++) {
473 OutputStream *ost = output_streams[i];
474 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
476 AVBitStreamFilterContext *next = bsfc->next;
477 av_bitstream_filter_close(bsfc);
480 ost->bitstream_filters = NULL;
481 av_frame_free(&ost->filtered_frame);
483 av_parser_close(ost->parser);
485 av_freep(&ost->forced_keyframes);
486 av_expr_free(ost->forced_keyframes_pexpr);
487 av_freep(&ost->avfilter);
488 av_freep(&ost->logfile_prefix);
490 av_freep(&output_streams[i]);
493 free_input_threads();
495 for (i = 0; i < nb_input_files; i++) {
496 avformat_close_input(&input_files[i]->ctx);
497 av_freep(&input_files[i]);
499 for (i = 0; i < nb_input_streams; i++) {
500 InputStream *ist = input_streams[i];
502 av_frame_free(&ist->decoded_frame);
503 av_frame_free(&ist->filter_frame);
504 av_dict_free(&ist->decoder_opts);
505 avsubtitle_free(&ist->prev_sub.subtitle);
506 av_frame_free(&ist->sub2video.frame);
507 av_freep(&ist->filters);
508 av_freep(&ist->hwaccel_device);
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) &&
640 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
641 pkt->dts != AV_NOPTS_VALUE &&
642 ost->last_mux_dts != AV_NOPTS_VALUE) {
643 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
644 if (pkt->dts < max) {
645 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
646 av_log(s, loglevel, "Non-monotonous DTS in output stream "
647 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
648 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
650 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
653 av_log(s, loglevel, "changing to %"PRId64". This may result "
654 "in incorrect timestamps in the output file.\n",
656 if(pkt->pts >= pkt->dts)
657 pkt->pts = FFMAX(pkt->pts, max);
661 ost->last_mux_dts = pkt->dts;
663 ost->data_size += pkt->size;
664 ost->packets_written++;
666 pkt->stream_index = ost->index;
669 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
670 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
671 av_get_media_type_string(ost->st->codec->codec_type),
672 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
673 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
678 ret = av_interleaved_write_frame(s, pkt);
680 print_error("av_interleaved_write_frame()", ret);
681 main_return_code = 1;
682 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
687 static void close_output_stream(OutputStream *ost)
689 OutputFile *of = output_files[ost->file_index];
691 ost->finished |= ENCODER_FINISHED;
693 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
694 of->recording_time = FFMIN(of->recording_time, end);
698 static int check_recording_time(OutputStream *ost)
700 OutputFile *of = output_files[ost->file_index];
702 if (of->recording_time != INT64_MAX &&
703 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
704 AV_TIME_BASE_Q) >= 0) {
705 close_output_stream(ost);
711 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
714 AVCodecContext *enc = ost->st->codec;
718 av_init_packet(&pkt);
722 if (!check_recording_time(ost))
725 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
726 frame->pts = ost->sync_opts;
727 ost->sync_opts = frame->pts + frame->nb_samples;
728 ost->samples_encoded += frame->nb_samples;
729 ost->frames_encoded++;
731 av_assert0(pkt.size || !pkt.data);
732 update_benchmark(NULL);
734 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
735 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
736 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
737 enc->time_base.num, enc->time_base.den);
740 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
741 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
744 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
747 if (pkt.pts != AV_NOPTS_VALUE)
748 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
749 if (pkt.dts != AV_NOPTS_VALUE)
750 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
751 if (pkt.duration > 0)
752 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
755 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
756 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
757 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
758 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
761 write_frame(s, &pkt, ost);
765 static void do_subtitle_out(AVFormatContext *s,
770 int subtitle_out_max_size = 1024 * 1024;
771 int subtitle_out_size, nb, i;
776 if (sub->pts == AV_NOPTS_VALUE) {
777 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
783 enc = ost->st->codec;
786 subtitle_out = av_malloc(subtitle_out_max_size);
789 /* Note: DVB subtitle need one packet to draw them and one other
790 packet to clear them */
791 /* XXX: signal it in the codec context ? */
792 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
797 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
799 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
800 pts -= output_files[ost->file_index]->start_time;
801 for (i = 0; i < nb; i++) {
802 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
803 if (!check_recording_time(ost))
807 // start_display_time is required to be 0
808 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
809 sub->end_display_time -= sub->start_display_time;
810 sub->start_display_time = 0;
814 ost->frames_encoded++;
816 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
817 subtitle_out_max_size, sub);
818 if (subtitle_out_size < 0) {
819 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
823 av_init_packet(&pkt);
824 pkt.data = subtitle_out;
825 pkt.size = subtitle_out_size;
826 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
827 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
828 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
829 /* XXX: the pts correction is handled here. Maybe handling
830 it in the codec would be better */
832 pkt.pts += 90 * sub->start_display_time;
834 pkt.pts += 90 * sub->end_display_time;
836 write_frame(s, &pkt, ost);
840 static void do_video_out(AVFormatContext *s,
844 int ret, format_video_sync;
846 AVCodecContext *enc = ost->st->codec;
848 double sync_ipts, delta;
851 InputStream *ist = NULL;
853 if (ost->source_index >= 0)
854 ist = input_streams[ost->source_index];
856 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
857 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
859 sync_ipts = in_picture->pts;
860 delta = sync_ipts - ost->sync_opts + duration;
862 /* by default, we output a single frame */
865 format_video_sync = video_sync_method;
866 if (format_video_sync == VSYNC_AUTO) {
867 if(!strcmp(s->oformat->name, "avi")) {
868 format_video_sync = VSYNC_VFR;
870 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
872 && format_video_sync == VSYNC_CFR
873 && input_files[ist->file_index]->ctx->nb_streams == 1
874 && input_files[ist->file_index]->input_ts_offset == 0) {
875 format_video_sync = VSYNC_VSCFR;
877 if (format_video_sync == VSYNC_CFR && copy_ts) {
878 format_video_sync = VSYNC_VSCFR;
882 switch (format_video_sync) {
884 if (ost->frame_number == 0 && delta - duration >= 0.5) {
885 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
887 ost->sync_opts = lrint(sync_ipts);
890 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
893 else if (delta > 1.1)
894 nb_frames = lrintf(delta);
899 else if (delta > 0.6)
900 ost->sync_opts = lrint(sync_ipts);
903 case VSYNC_PASSTHROUGH:
904 ost->sync_opts = lrint(sync_ipts);
910 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
911 if (nb_frames == 0) {
913 av_log(NULL, AV_LOG_VERBOSE,
914 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
915 ost->frame_number, ost->st->index, in_picture->pts);
917 } else if (nb_frames > 1) {
918 if (nb_frames > dts_error_threshold * 30) {
919 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
923 nb_frames_dup += nb_frames - 1;
924 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
927 /* duplicates frame if needed */
928 for (i = 0; i < nb_frames; i++) {
929 av_init_packet(&pkt);
933 in_picture->pts = ost->sync_opts;
936 if (!check_recording_time(ost))
938 if (ost->frame_number >= ost->max_frames)
942 if (s->oformat->flags & AVFMT_RAWPICTURE &&
943 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
944 /* raw pictures are written as AVPicture structure to
945 avoid any copies. We support temporarily the older
947 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
948 enc->coded_frame->top_field_first = in_picture->top_field_first;
949 if (enc->coded_frame->interlaced_frame)
950 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
952 enc->field_order = AV_FIELD_PROGRESSIVE;
953 pkt.data = (uint8_t *)in_picture;
954 pkt.size = sizeof(AVPicture);
955 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
956 pkt.flags |= AV_PKT_FLAG_KEY;
958 write_frame(s, &pkt, ost);
960 int got_packet, forced_keyframe = 0;
963 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
964 ost->top_field_first >= 0)
965 in_picture->top_field_first = !!ost->top_field_first;
967 if (in_picture->interlaced_frame) {
968 if (enc->codec->id == AV_CODEC_ID_MJPEG)
969 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
971 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
973 enc->field_order = AV_FIELD_PROGRESSIVE;
975 in_picture->quality = ost->st->codec->global_quality;
976 if (!enc->me_threshold)
977 in_picture->pict_type = 0;
979 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
980 in_picture->pts * av_q2d(enc->time_base) : NAN;
981 if (ost->forced_kf_index < ost->forced_kf_count &&
982 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
983 ost->forced_kf_index++;
985 } else if (ost->forced_keyframes_pexpr) {
987 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
988 res = av_expr_eval(ost->forced_keyframes_pexpr,
989 ost->forced_keyframes_expr_const_values, NULL);
990 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
991 ost->forced_keyframes_expr_const_values[FKF_N],
992 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
993 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
994 ost->forced_keyframes_expr_const_values[FKF_T],
995 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
999 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1000 ost->forced_keyframes_expr_const_values[FKF_N];
1001 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1002 ost->forced_keyframes_expr_const_values[FKF_T];
1003 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1006 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1009 if (forced_keyframe) {
1010 in_picture->pict_type = AV_PICTURE_TYPE_I;
1011 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1014 update_benchmark(NULL);
1016 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1017 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1018 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1019 enc->time_base.num, enc->time_base.den);
1022 ost->frames_encoded++;
1024 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1025 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1027 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1033 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1034 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1035 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1036 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1039 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1040 pkt.pts = ost->sync_opts;
1042 if (pkt.pts != AV_NOPTS_VALUE)
1043 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1044 if (pkt.dts != AV_NOPTS_VALUE)
1045 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1048 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1049 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1050 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1051 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1054 frame_size = pkt.size;
1055 write_frame(s, &pkt, ost);
1057 /* if two pass, output log */
1058 if (ost->logfile && enc->stats_out) {
1059 fprintf(ost->logfile, "%s", enc->stats_out);
1065 * For video, number of frames in == number of packets out.
1066 * But there may be reordering, so we can't throw away frames on encoder
1067 * flush, we need to limit them here, before they go into encoder.
1069 ost->frame_number++;
1071 if (vstats_filename && frame_size)
1072 do_video_stats(ost, frame_size);
1076 static double psnr(double d)
1078 return -10.0 * log(d) / log(10.0);
1081 static void do_video_stats(OutputStream *ost, int frame_size)
1083 AVCodecContext *enc;
1085 double ti1, bitrate, avg_bitrate;
1087 /* this is executed just the first time do_video_stats is called */
1089 vstats_file = fopen(vstats_filename, "w");
1096 enc = ost->st->codec;
1097 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1098 frame_number = ost->st->nb_frames;
1099 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1100 if (enc->flags&CODEC_FLAG_PSNR)
1101 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1103 fprintf(vstats_file,"f_size= %6d ", frame_size);
1104 /* compute pts value */
1105 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1109 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1110 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1111 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1112 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1113 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1118 * Get and encode new output from any of the filtergraphs, without causing
1121 * @return 0 for success, <0 for severe errors
1123 static int reap_filters(void)
1125 AVFrame *filtered_frame = NULL;
1129 /* Reap all buffers present in the buffer sinks */
1130 for (i = 0; i < nb_output_streams; i++) {
1131 OutputStream *ost = output_streams[i];
1132 OutputFile *of = output_files[ost->file_index];
1133 AVFilterContext *filter;
1134 AVCodecContext *enc = ost->st->codec;
1139 filter = ost->filter->filter;
1141 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1142 return AVERROR(ENOMEM);
1144 filtered_frame = ost->filtered_frame;
1147 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1148 AV_BUFFERSINK_FLAG_NO_REQUEST);
1150 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1151 av_log(NULL, AV_LOG_WARNING,
1152 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1156 if (ost->finished) {
1157 av_frame_unref(filtered_frame);
1160 frame_pts = AV_NOPTS_VALUE;
1161 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1162 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1163 filtered_frame->pts = frame_pts =
1164 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1165 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1167 //if (ost->source_index >= 0)
1168 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1170 switch (filter->inputs[0]->type) {
1171 case AVMEDIA_TYPE_VIDEO:
1172 filtered_frame->pts = frame_pts;
1173 if (!ost->frame_aspect_ratio.num)
1174 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1177 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1178 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1179 enc->time_base.num, enc->time_base.den);
1182 do_video_out(of->ctx, ost, filtered_frame);
1184 case AVMEDIA_TYPE_AUDIO:
1185 filtered_frame->pts = frame_pts;
1186 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1187 enc->channels != av_frame_get_channels(filtered_frame)) {
1188 av_log(NULL, AV_LOG_ERROR,
1189 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1192 do_audio_out(of->ctx, ost, filtered_frame);
1195 // TODO support subtitle filters
1199 av_frame_unref(filtered_frame);
1206 static void print_final_stats(int64_t total_size)
1208 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1209 uint64_t subtitle_size = 0;
1210 uint64_t data_size = 0;
1211 float percent = -1.0;
1214 for (i = 0; i < nb_output_streams; i++) {
1215 OutputStream *ost = output_streams[i];
1216 switch (ost->st->codec->codec_type) {
1217 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1218 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1219 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1220 default: other_size += ost->data_size; break;
1222 extra_size += ost->st->codec->extradata_size;
1223 data_size += ost->data_size;
1226 if (data_size && total_size >= data_size)
1227 percent = 100.0 * (total_size - data_size) / data_size;
1229 av_log(NULL, AV_LOG_INFO, "\n");
1230 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: ",
1231 video_size / 1024.0,
1232 audio_size / 1024.0,
1233 subtitle_size / 1024.0,
1234 other_size / 1024.0,
1235 extra_size / 1024.0);
1237 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1239 av_log(NULL, AV_LOG_INFO, "unknown");
1240 av_log(NULL, AV_LOG_INFO, "\n");
1242 /* print verbose per-stream stats */
1243 for (i = 0; i < nb_input_files; i++) {
1244 InputFile *f = input_files[i];
1245 uint64_t total_packets = 0, total_size = 0;
1247 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1248 i, f->ctx->filename);
1250 for (j = 0; j < f->nb_streams; j++) {
1251 InputStream *ist = input_streams[f->ist_index + j];
1252 enum AVMediaType type = ist->st->codec->codec_type;
1254 total_size += ist->data_size;
1255 total_packets += ist->nb_packets;
1257 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1258 i, j, media_type_string(type));
1259 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1260 ist->nb_packets, ist->data_size);
1262 if (ist->decoding_needed) {
1263 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1264 ist->frames_decoded);
1265 if (type == AVMEDIA_TYPE_AUDIO)
1266 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1267 av_log(NULL, AV_LOG_VERBOSE, "; ");
1270 av_log(NULL, AV_LOG_VERBOSE, "\n");
1273 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1274 total_packets, total_size);
1277 for (i = 0; i < nb_output_files; i++) {
1278 OutputFile *of = output_files[i];
1279 uint64_t total_packets = 0, total_size = 0;
1281 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1282 i, of->ctx->filename);
1284 for (j = 0; j < of->ctx->nb_streams; j++) {
1285 OutputStream *ost = output_streams[of->ost_index + j];
1286 enum AVMediaType type = ost->st->codec->codec_type;
1288 total_size += ost->data_size;
1289 total_packets += ost->packets_written;
1291 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1292 i, j, media_type_string(type));
1293 if (ost->encoding_needed) {
1294 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1295 ost->frames_encoded);
1296 if (type == AVMEDIA_TYPE_AUDIO)
1297 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1298 av_log(NULL, AV_LOG_VERBOSE, "; ");
1301 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1302 ost->packets_written, ost->data_size);
1304 av_log(NULL, AV_LOG_VERBOSE, "\n");
1307 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1308 total_packets, total_size);
1310 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1311 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1315 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1318 AVBPrint buf_script;
1320 AVFormatContext *oc;
1322 AVCodecContext *enc;
1323 int frame_number, vid, i;
1325 int64_t pts = INT64_MIN;
1326 static int64_t last_time = -1;
1327 static int qp_histogram[52];
1328 int hours, mins, secs, us;
1330 if (!print_stats && !is_last_report && !progress_avio)
1333 if (!is_last_report) {
1334 if (last_time == -1) {
1335 last_time = cur_time;
1338 if ((cur_time - last_time) < 500000)
1340 last_time = cur_time;
1344 oc = output_files[0]->ctx;
1346 total_size = avio_size(oc->pb);
1347 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1348 total_size = avio_tell(oc->pb);
1352 av_bprint_init(&buf_script, 0, 1);
1353 for (i = 0; i < nb_output_streams; i++) {
1355 ost = output_streams[i];
1356 enc = ost->st->codec;
1357 if (!ost->stream_copy && enc->coded_frame)
1358 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1359 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1361 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1362 ost->file_index, ost->index, q);
1364 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1365 float fps, t = (cur_time-timer_start) / 1000000.0;
1367 frame_number = ost->frame_number;
1368 fps = t > 1 ? frame_number / t : 0;
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1370 frame_number, fps < 9.95, fps, q);
1371 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1372 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1373 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1374 ost->file_index, ost->index, q);
1376 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1380 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1382 for (j = 0; j < 32; j++)
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1385 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1387 double error, error_sum = 0;
1388 double scale, scale_sum = 0;
1390 char type[3] = { 'Y','U','V' };
1391 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1392 for (j = 0; j < 3; j++) {
1393 if (is_last_report) {
1394 error = enc->error[j];
1395 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1397 error = enc->coded_frame->error[j];
1398 scale = enc->width * enc->height * 255.0 * 255.0;
1404 p = psnr(error / scale);
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1406 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1407 ost->file_index, ost->index, type[j] | 32, p);
1409 p = psnr(error_sum / scale_sum);
1410 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1411 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1412 ost->file_index, ost->index, p);
1416 /* compute min output value */
1417 if (ost->st->pts.val != AV_NOPTS_VALUE)
1418 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1419 ost->st->time_base, AV_TIME_BASE_Q));
1422 secs = pts / AV_TIME_BASE;
1423 us = pts % AV_TIME_BASE;
1429 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1431 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1433 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1434 "size=%8.0fkB time=", total_size / 1024.0);
1435 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1436 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1437 (100 * us) / AV_TIME_BASE);
1438 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1440 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1441 "bitrate=%6.1fkbits/s", bitrate);
1442 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1443 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1444 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1445 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1446 hours, mins, secs, us);
1448 if (nb_frames_dup || nb_frames_drop)
1449 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1450 nb_frames_dup, nb_frames_drop);
1451 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1452 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1454 if (print_stats || is_last_report) {
1455 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1456 fprintf(stderr, "%s \r", buf);
1458 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1463 if (progress_avio) {
1464 av_bprintf(&buf_script, "progress=%s\n",
1465 is_last_report ? "end" : "continue");
1466 avio_write(progress_avio, buf_script.str,
1467 FFMIN(buf_script.len, buf_script.size - 1));
1468 avio_flush(progress_avio);
1469 av_bprint_finalize(&buf_script, NULL);
1470 if (is_last_report) {
1471 avio_close(progress_avio);
1472 progress_avio = NULL;
1477 print_final_stats(total_size);
1480 static void flush_encoders(void)
1484 for (i = 0; i < nb_output_streams; i++) {
1485 OutputStream *ost = output_streams[i];
1486 AVCodecContext *enc = ost->st->codec;
1487 AVFormatContext *os = output_files[ost->file_index]->ctx;
1488 int stop_encoding = 0;
1490 if (!ost->encoding_needed)
1493 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1495 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1499 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1502 switch (ost->st->codec->codec_type) {
1503 case AVMEDIA_TYPE_AUDIO:
1504 encode = avcodec_encode_audio2;
1507 case AVMEDIA_TYPE_VIDEO:
1508 encode = avcodec_encode_video2;
1519 av_init_packet(&pkt);
1523 update_benchmark(NULL);
1524 ret = encode(enc, &pkt, NULL, &got_packet);
1525 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1527 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1530 if (ost->logfile && enc->stats_out) {
1531 fprintf(ost->logfile, "%s", enc->stats_out);
1537 if (ost->finished & MUXER_FINISHED) {
1538 av_free_packet(&pkt);
1541 if (pkt.pts != AV_NOPTS_VALUE)
1542 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1543 if (pkt.dts != AV_NOPTS_VALUE)
1544 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1545 if (pkt.duration > 0)
1546 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1547 pkt_size = pkt.size;
1548 write_frame(os, &pkt, ost);
1549 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1550 do_video_stats(ost, pkt_size);
1561 * Check whether a packet from ist should be written into ost at this time
1563 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1565 OutputFile *of = output_files[ost->file_index];
1566 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1568 if (ost->source_index != ist_index)
1574 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1580 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1582 OutputFile *of = output_files[ost->file_index];
1583 InputFile *f = input_files [ist->file_index];
1584 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1585 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1586 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1590 av_init_packet(&opkt);
1592 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1593 !ost->copy_initial_nonkeyframes)
1596 if (pkt->pts == AV_NOPTS_VALUE) {
1597 if (!ost->frame_number && ist->pts < start_time &&
1598 !ost->copy_prior_start)
1601 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1602 !ost->copy_prior_start)
1606 if (of->recording_time != INT64_MAX &&
1607 ist->pts >= of->recording_time + start_time) {
1608 close_output_stream(ost);
1612 if (f->recording_time != INT64_MAX) {
1613 start_time = f->ctx->start_time;
1614 if (f->start_time != AV_NOPTS_VALUE)
1615 start_time += f->start_time;
1616 if (ist->pts >= f->recording_time + start_time) {
1617 close_output_stream(ost);
1622 /* force the input stream PTS */
1623 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1626 if (pkt->pts != AV_NOPTS_VALUE)
1627 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1629 opkt.pts = AV_NOPTS_VALUE;
1631 if (pkt->dts == AV_NOPTS_VALUE)
1632 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1634 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1635 opkt.dts -= ost_tb_start_time;
1637 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1638 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1640 duration = ist->st->codec->frame_size;
1641 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1642 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1643 ost->st->time_base) - ost_tb_start_time;
1646 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1647 opkt.flags = pkt->flags;
1649 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1650 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1651 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1652 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1653 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1655 if (av_parser_change(ost->parser, ost->st->codec,
1656 &opkt.data, &opkt.size,
1657 pkt->data, pkt->size,
1658 pkt->flags & AV_PKT_FLAG_KEY)) {
1659 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1664 opkt.data = pkt->data;
1665 opkt.size = pkt->size;
1667 av_copy_packet_side_data(&opkt, pkt);
1669 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1670 /* store AVPicture in AVPacket, as expected by the output format */
1671 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1672 opkt.data = (uint8_t *)&pict;
1673 opkt.size = sizeof(AVPicture);
1674 opkt.flags |= AV_PKT_FLAG_KEY;
1677 write_frame(of->ctx, &opkt, ost);
1680 int guess_input_channel_layout(InputStream *ist)
1682 AVCodecContext *dec = ist->st->codec;
1684 if (!dec->channel_layout) {
1685 char layout_name[256];
1687 if (dec->channels > ist->guess_layout_max)
1689 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1690 if (!dec->channel_layout)
1692 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1693 dec->channels, dec->channel_layout);
1694 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1695 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1700 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1702 AVFrame *decoded_frame, *f;
1703 AVCodecContext *avctx = ist->st->codec;
1704 int i, ret, err = 0, resample_changed;
1705 AVRational decoded_frame_tb;
1707 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1708 return AVERROR(ENOMEM);
1709 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1710 return AVERROR(ENOMEM);
1711 decoded_frame = ist->decoded_frame;
1713 update_benchmark(NULL);
1714 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1715 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1717 if (ret >= 0 && avctx->sample_rate <= 0) {
1718 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1719 ret = AVERROR_INVALIDDATA;
1722 if (*got_output || ret<0 || pkt->size)
1723 decode_error_stat[ret<0] ++;
1725 if (!*got_output || ret < 0) {
1727 for (i = 0; i < ist->nb_filters; i++)
1729 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1731 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1737 ist->samples_decoded += decoded_frame->nb_samples;
1738 ist->frames_decoded++;
1741 /* increment next_dts to use for the case where the input stream does not
1742 have timestamps or there are multiple frames in the packet */
1743 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1745 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1749 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1750 ist->resample_channels != avctx->channels ||
1751 ist->resample_channel_layout != decoded_frame->channel_layout ||
1752 ist->resample_sample_rate != decoded_frame->sample_rate;
1753 if (resample_changed) {
1754 char layout1[64], layout2[64];
1756 if (!guess_input_channel_layout(ist)) {
1757 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1758 "layout for Input Stream #%d.%d\n", ist->file_index,
1762 decoded_frame->channel_layout = avctx->channel_layout;
1764 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1765 ist->resample_channel_layout);
1766 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1767 decoded_frame->channel_layout);
1769 av_log(NULL, AV_LOG_INFO,
1770 "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",
1771 ist->file_index, ist->st->index,
1772 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1773 ist->resample_channels, layout1,
1774 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1775 avctx->channels, layout2);
1777 ist->resample_sample_fmt = decoded_frame->format;
1778 ist->resample_sample_rate = decoded_frame->sample_rate;
1779 ist->resample_channel_layout = decoded_frame->channel_layout;
1780 ist->resample_channels = avctx->channels;
1782 for (i = 0; i < nb_filtergraphs; i++)
1783 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1784 FilterGraph *fg = filtergraphs[i];
1786 if (configure_filtergraph(fg) < 0) {
1787 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1790 for (j = 0; j < fg->nb_outputs; j++) {
1791 OutputStream *ost = fg->outputs[j]->ost;
1792 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1793 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1794 av_buffersink_set_frame_size(ost->filter->filter,
1795 ost->st->codec->frame_size);
1800 /* if the decoder provides a pts, use it instead of the last packet pts.
1801 the decoder could be delaying output by a packet or more. */
1802 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1803 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1804 decoded_frame_tb = avctx->time_base;
1805 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1806 decoded_frame->pts = decoded_frame->pkt_pts;
1807 decoded_frame_tb = ist->st->time_base;
1808 } else if (pkt->pts != AV_NOPTS_VALUE) {
1809 decoded_frame->pts = pkt->pts;
1810 decoded_frame_tb = ist->st->time_base;
1812 decoded_frame->pts = ist->dts;
1813 decoded_frame_tb = AV_TIME_BASE_Q;
1815 pkt->pts = AV_NOPTS_VALUE;
1816 if (decoded_frame->pts != AV_NOPTS_VALUE)
1817 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1818 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1819 (AVRational){1, ist->st->codec->sample_rate});
1820 for (i = 0; i < ist->nb_filters; i++) {
1821 if (i < ist->nb_filters - 1) {
1822 f = ist->filter_frame;
1823 err = av_frame_ref(f, decoded_frame);
1828 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1829 AV_BUFFERSRC_FLAG_PUSH);
1830 if (err == AVERROR_EOF)
1831 err = 0; /* ignore */
1835 decoded_frame->pts = AV_NOPTS_VALUE;
1837 av_frame_unref(ist->filter_frame);
1838 av_frame_unref(decoded_frame);
1839 return err < 0 ? err : ret;
1842 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1844 AVFrame *decoded_frame, *f;
1845 int i, ret = 0, err = 0, resample_changed;
1846 int64_t best_effort_timestamp;
1847 AVRational *frame_sample_aspect;
1849 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1850 return AVERROR(ENOMEM);
1851 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1852 return AVERROR(ENOMEM);
1853 decoded_frame = ist->decoded_frame;
1854 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1856 update_benchmark(NULL);
1857 ret = avcodec_decode_video2(ist->st->codec,
1858 decoded_frame, got_output, pkt);
1859 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1861 if (*got_output || ret<0 || pkt->size)
1862 decode_error_stat[ret<0] ++;
1864 if (!*got_output || ret < 0) {
1866 for (i = 0; i < ist->nb_filters; i++)
1868 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1870 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1876 if(ist->top_field_first>=0)
1877 decoded_frame->top_field_first = ist->top_field_first;
1879 ist->frames_decoded++;
1881 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1882 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1886 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1888 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1889 if(best_effort_timestamp != AV_NOPTS_VALUE)
1890 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1893 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1894 "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",
1895 ist->st->index, av_ts2str(decoded_frame->pts),
1896 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1897 best_effort_timestamp,
1898 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1899 decoded_frame->key_frame, decoded_frame->pict_type,
1900 ist->st->time_base.num, ist->st->time_base.den);
1905 if (ist->st->sample_aspect_ratio.num)
1906 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1908 resample_changed = ist->resample_width != decoded_frame->width ||
1909 ist->resample_height != decoded_frame->height ||
1910 ist->resample_pix_fmt != decoded_frame->format;
1911 if (resample_changed) {
1912 av_log(NULL, AV_LOG_INFO,
1913 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1914 ist->file_index, ist->st->index,
1915 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1916 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1918 ist->resample_width = decoded_frame->width;
1919 ist->resample_height = decoded_frame->height;
1920 ist->resample_pix_fmt = decoded_frame->format;
1922 for (i = 0; i < nb_filtergraphs; i++) {
1923 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1924 configure_filtergraph(filtergraphs[i]) < 0) {
1925 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1931 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1932 for (i = 0; i < ist->nb_filters; i++) {
1933 if (!frame_sample_aspect->num)
1934 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1936 if (i < ist->nb_filters - 1) {
1937 f = ist->filter_frame;
1938 err = av_frame_ref(f, decoded_frame);
1943 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1944 if (ret == AVERROR_EOF) {
1945 ret = 0; /* ignore */
1946 } else if (ret < 0) {
1947 av_log(NULL, AV_LOG_FATAL,
1948 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1954 av_frame_unref(ist->filter_frame);
1955 av_frame_unref(decoded_frame);
1956 return err < 0 ? err : ret;
1959 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1961 AVSubtitle subtitle;
1962 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1963 &subtitle, got_output, pkt);
1965 if (*got_output || ret<0 || pkt->size)
1966 decode_error_stat[ret<0] ++;
1968 if (ret < 0 || !*got_output) {
1970 sub2video_flush(ist);
1974 if (ist->fix_sub_duration) {
1976 if (ist->prev_sub.got_output) {
1977 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1978 1000, AV_TIME_BASE);
1979 if (end < ist->prev_sub.subtitle.end_display_time) {
1980 av_log(ist->st->codec, AV_LOG_DEBUG,
1981 "Subtitle duration reduced from %d to %d%s\n",
1982 ist->prev_sub.subtitle.end_display_time, end,
1983 end <= 0 ? ", dropping it" : "");
1984 ist->prev_sub.subtitle.end_display_time = end;
1987 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1988 FFSWAP(int, ret, ist->prev_sub.ret);
1989 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1997 sub2video_update(ist, &subtitle);
1999 if (!subtitle.num_rects)
2002 ist->frames_decoded++;
2004 for (i = 0; i < nb_output_streams; i++) {
2005 OutputStream *ost = output_streams[i];
2007 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2008 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2011 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2015 avsubtitle_free(&subtitle);
2019 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2020 static int output_packet(InputStream *ist, const AVPacket *pkt)
2026 if (!ist->saw_first_ts) {
2027 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2029 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2030 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2031 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2033 ist->saw_first_ts = 1;
2036 if (ist->next_dts == AV_NOPTS_VALUE)
2037 ist->next_dts = ist->dts;
2038 if (ist->next_pts == AV_NOPTS_VALUE)
2039 ist->next_pts = ist->pts;
2043 av_init_packet(&avpkt);
2051 if (pkt->dts != AV_NOPTS_VALUE) {
2052 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2053 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2054 ist->next_pts = ist->pts = ist->dts;
2057 // while we have more to decode or while the decoder did output something on EOF
2058 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2062 ist->pts = ist->next_pts;
2063 ist->dts = ist->next_dts;
2065 if (avpkt.size && avpkt.size != pkt->size &&
2066 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2067 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2068 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2069 ist->showed_multi_packet_warning = 1;
2072 switch (ist->st->codec->codec_type) {
2073 case AVMEDIA_TYPE_AUDIO:
2074 ret = decode_audio (ist, &avpkt, &got_output);
2076 case AVMEDIA_TYPE_VIDEO:
2077 ret = decode_video (ist, &avpkt, &got_output);
2078 if (avpkt.duration) {
2079 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2080 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2081 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2082 duration = ((int64_t)AV_TIME_BASE *
2083 ist->st->codec->time_base.num * ticks) /
2084 ist->st->codec->time_base.den;
2088 if(ist->dts != AV_NOPTS_VALUE && duration) {
2089 ist->next_dts += duration;
2091 ist->next_dts = AV_NOPTS_VALUE;
2094 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2096 case AVMEDIA_TYPE_SUBTITLE:
2097 ret = transcode_subtitles(ist, &avpkt, &got_output);
2107 avpkt.pts= AV_NOPTS_VALUE;
2109 // touch data and size only if not EOF
2111 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2121 /* handle stream copy */
2122 if (!ist->decoding_needed) {
2123 ist->dts = ist->next_dts;
2124 switch (ist->st->codec->codec_type) {
2125 case AVMEDIA_TYPE_AUDIO:
2126 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2127 ist->st->codec->sample_rate;
2129 case AVMEDIA_TYPE_VIDEO:
2130 if (ist->framerate.num) {
2131 // TODO: Remove work-around for c99-to-c89 issue 7
2132 AVRational time_base_q = AV_TIME_BASE_Q;
2133 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2134 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2135 } else if (pkt->duration) {
2136 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2137 } else if(ist->st->codec->time_base.num != 0) {
2138 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2139 ist->next_dts += ((int64_t)AV_TIME_BASE *
2140 ist->st->codec->time_base.num * ticks) /
2141 ist->st->codec->time_base.den;
2145 ist->pts = ist->dts;
2146 ist->next_pts = ist->next_dts;
2148 for (i = 0; pkt && i < nb_output_streams; i++) {
2149 OutputStream *ost = output_streams[i];
2151 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2154 do_streamcopy(ist, ost, pkt);
2160 static void print_sdp(void)
2164 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2168 for (i = 0; i < nb_output_files; i++)
2169 avc[i] = output_files[i]->ctx;
2171 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2172 printf("SDP:\n%s\n", sdp);
2177 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2180 for (i = 0; hwaccels[i].name; i++)
2181 if (hwaccels[i].pix_fmt == pix_fmt)
2182 return &hwaccels[i];
2186 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2188 InputStream *ist = s->opaque;
2189 const enum AVPixelFormat *p;
2192 for (p = pix_fmts; *p != -1; p++) {
2193 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2194 const HWAccel *hwaccel;
2196 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2199 hwaccel = get_hwaccel(*p);
2201 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2202 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2205 ret = hwaccel->init(s);
2207 if (ist->hwaccel_id == hwaccel->id) {
2208 av_log(NULL, AV_LOG_FATAL,
2209 "%s hwaccel requested for input stream #%d:%d, "
2210 "but cannot be initialized.\n", hwaccel->name,
2211 ist->file_index, ist->st->index);
2216 ist->active_hwaccel_id = hwaccel->id;
2217 ist->hwaccel_pix_fmt = *p;
2224 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2226 InputStream *ist = s->opaque;
2228 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2229 return ist->hwaccel_get_buffer(s, frame, flags);
2231 return avcodec_default_get_buffer2(s, frame, flags);
2234 static int init_input_stream(int ist_index, char *error, int error_len)
2237 InputStream *ist = input_streams[ist_index];
2239 if (ist->decoding_needed) {
2240 AVCodec *codec = ist->dec;
2242 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2243 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2244 return AVERROR(EINVAL);
2247 ist->st->codec->opaque = ist;
2248 ist->st->codec->get_format = get_format;
2249 ist->st->codec->get_buffer2 = get_buffer;
2250 ist->st->codec->thread_safe_callbacks = 1;
2252 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2254 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2255 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2256 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->decoder_opts)) < 0) {
2257 if (ret == AVERROR_EXPERIMENTAL)
2258 abort_codec_experimental(codec, 0);
2260 snprintf(error, error_len,
2261 "Error while opening decoder for input stream "
2263 ist->file_index, ist->st->index, av_err2str(ret));
2266 assert_avoptions(ist->decoder_opts);
2269 ist->next_pts = AV_NOPTS_VALUE;
2270 ist->next_dts = AV_NOPTS_VALUE;
2275 static InputStream *get_input_stream(OutputStream *ost)
2277 if (ost->source_index >= 0)
2278 return input_streams[ost->source_index];
2282 static int compare_int64(const void *a, const void *b)
2284 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2285 return va < vb ? -1 : va > vb ? +1 : 0;
2288 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2289 AVCodecContext *avctx)
2292 int n = 1, i, size, index = 0;
2295 for (p = kf; *p; p++)
2299 pts = av_malloc_array(size, sizeof(*pts));
2301 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2306 for (i = 0; i < n; i++) {
2307 char *next = strchr(p, ',');
2312 if (!memcmp(p, "chapters", 8)) {
2314 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2317 if (avf->nb_chapters > INT_MAX - size ||
2318 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2320 av_log(NULL, AV_LOG_FATAL,
2321 "Could not allocate forced key frames array.\n");
2324 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2325 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2327 for (j = 0; j < avf->nb_chapters; j++) {
2328 AVChapter *c = avf->chapters[j];
2329 av_assert1(index < size);
2330 pts[index++] = av_rescale_q(c->start, c->time_base,
2331 avctx->time_base) + t;
2336 t = parse_time_or_die("force_key_frames", p, 1);
2337 av_assert1(index < size);
2338 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2345 av_assert0(index == size);
2346 qsort(pts, size, sizeof(*pts), compare_int64);
2347 ost->forced_kf_count = size;
2348 ost->forced_kf_pts = pts;
2351 static void report_new_stream(int input_index, AVPacket *pkt)
2353 InputFile *file = input_files[input_index];
2354 AVStream *st = file->ctx->streams[pkt->stream_index];
2356 if (pkt->stream_index < file->nb_streams_warn)
2358 av_log(file->ctx, AV_LOG_WARNING,
2359 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2360 av_get_media_type_string(st->codec->codec_type),
2361 input_index, pkt->stream_index,
2362 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2363 file->nb_streams_warn = pkt->stream_index + 1;
2366 static int transcode_init(void)
2368 int ret = 0, i, j, k;
2369 AVFormatContext *oc;
2375 for (i = 0; i < nb_filtergraphs; i++) {
2376 FilterGraph *fg = filtergraphs[i];
2377 for (j = 0; j < fg->nb_outputs; j++) {
2378 OutputFilter *ofilter = fg->outputs[j];
2379 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2381 if (fg->nb_inputs != 1)
2383 for (k = nb_input_streams-1; k >= 0 ; k--)
2384 if (fg->inputs[0]->ist == input_streams[k])
2386 ofilter->ost->source_index = k;
2390 /* init framerate emulation */
2391 for (i = 0; i < nb_input_files; i++) {
2392 InputFile *ifile = input_files[i];
2393 if (ifile->rate_emu)
2394 for (j = 0; j < ifile->nb_streams; j++)
2395 input_streams[j + ifile->ist_index]->start = av_gettime();
2398 /* output stream init */
2399 for (i = 0; i < nb_output_files; i++) {
2400 oc = output_files[i]->ctx;
2401 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2402 av_dump_format(oc, i, oc->filename, 1);
2403 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2404 return AVERROR(EINVAL);
2408 /* init complex filtergraphs */
2409 for (i = 0; i < nb_filtergraphs; i++)
2410 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2413 /* for each output stream, we compute the right encoding parameters */
2414 for (i = 0; i < nb_output_streams; i++) {
2415 AVCodecContext *enc_ctx;
2416 AVCodecContext *dec_ctx = NULL;
2417 ost = output_streams[i];
2418 oc = output_files[ost->file_index]->ctx;
2419 ist = get_input_stream(ost);
2421 if (ost->attachment_filename)
2424 enc_ctx = ost->st->codec;
2427 dec_ctx = ist->st->codec;
2429 ost->st->disposition = ist->st->disposition;
2430 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2431 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2433 for (j=0; j<oc->nb_streams; j++) {
2434 AVStream *st = oc->streams[j];
2435 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2438 if (j == oc->nb_streams)
2439 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2440 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2443 if (ost->stream_copy) {
2445 uint64_t extra_size;
2447 av_assert0(ist && !ost->filter);
2449 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2451 if (extra_size > INT_MAX) {
2452 return AVERROR(EINVAL);
2455 /* if stream_copy is selected, no need to decode or encode */
2456 enc_ctx->codec_id = dec_ctx->codec_id;
2457 enc_ctx->codec_type = dec_ctx->codec_type;
2459 if (!enc_ctx->codec_tag) {
2460 unsigned int codec_tag;
2461 if (!oc->oformat->codec_tag ||
2462 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2463 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2464 enc_ctx->codec_tag = dec_ctx->codec_tag;
2467 enc_ctx->bit_rate = dec_ctx->bit_rate;
2468 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2469 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2470 enc_ctx->field_order = dec_ctx->field_order;
2471 enc_ctx->extradata = av_mallocz(extra_size);
2472 if (!enc_ctx->extradata) {
2473 return AVERROR(ENOMEM);
2475 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2476 enc_ctx->extradata_size= dec_ctx->extradata_size;
2477 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2479 enc_ctx->time_base = ist->st->time_base;
2481 * Avi is a special case here because it supports variable fps but
2482 * having the fps and timebase differe significantly adds quite some
2485 if(!strcmp(oc->oformat->name, "avi")) {
2486 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2487 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2488 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2489 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2491 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2492 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2493 enc_ctx->ticks_per_frame = 2;
2494 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2495 && av_q2d(ist->st->time_base) < 1.0/500
2497 enc_ctx->time_base = dec_ctx->time_base;
2498 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2499 enc_ctx->time_base.den *= 2;
2500 enc_ctx->ticks_per_frame = 2;
2502 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2503 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2504 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2505 && strcmp(oc->oformat->name, "f4v")
2507 if( copy_tb<0 && dec_ctx->time_base.den
2508 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2509 && av_q2d(ist->st->time_base) < 1.0/500
2511 enc_ctx->time_base = dec_ctx->time_base;
2512 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2515 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2516 && dec_ctx->time_base.num < dec_ctx->time_base.den
2517 && dec_ctx->time_base.num > 0
2518 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2519 enc_ctx->time_base = dec_ctx->time_base;
2522 if (ist && !ost->frame_rate.num)
2523 ost->frame_rate = ist->framerate;
2524 if(ost->frame_rate.num)
2525 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2527 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2528 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2530 ost->parser = av_parser_init(enc_ctx->codec_id);
2532 switch (enc_ctx->codec_type) {
2533 case AVMEDIA_TYPE_AUDIO:
2534 if (audio_volume != 256) {
2535 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2538 enc_ctx->channel_layout = dec_ctx->channel_layout;
2539 enc_ctx->sample_rate = dec_ctx->sample_rate;
2540 enc_ctx->channels = dec_ctx->channels;
2541 enc_ctx->frame_size = dec_ctx->frame_size;
2542 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2543 enc_ctx->block_align = dec_ctx->block_align;
2544 enc_ctx->delay = dec_ctx->delay;
2545 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2546 enc_ctx->block_align= 0;
2547 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2548 enc_ctx->block_align= 0;
2550 case AVMEDIA_TYPE_VIDEO:
2551 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2552 enc_ctx->width = dec_ctx->width;
2553 enc_ctx->height = dec_ctx->height;
2554 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2555 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2557 av_mul_q(ost->frame_aspect_ratio,
2558 (AVRational){ enc_ctx->height, enc_ctx->width });
2559 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2560 "with stream copy may produce invalid files\n");
2562 else if (ist->st->sample_aspect_ratio.num)
2563 sar = ist->st->sample_aspect_ratio;
2565 sar = dec_ctx->sample_aspect_ratio;
2566 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2567 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2569 case AVMEDIA_TYPE_SUBTITLE:
2570 enc_ctx->width = dec_ctx->width;
2571 enc_ctx->height = dec_ctx->height;
2573 case AVMEDIA_TYPE_DATA:
2574 case AVMEDIA_TYPE_ATTACHMENT:
2581 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2583 /* should only happen when a default codec is not present. */
2584 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2585 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2586 ret = AVERROR(EINVAL);
2591 ist->decoding_needed++;
2592 ost->encoding_needed = 1;
2595 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2596 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2598 fg = init_simple_filtergraph(ist, ost);
2599 if (configure_filtergraph(fg)) {
2600 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2605 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2606 if (ost->filter && !ost->frame_rate.num)
2607 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2608 if (ist && !ost->frame_rate.num)
2609 ost->frame_rate = ist->framerate;
2610 if (ist && !ost->frame_rate.num)
2611 ost->frame_rate = ist->st->r_frame_rate;
2612 if (ist && !ost->frame_rate.num) {
2613 ost->frame_rate = (AVRational){25, 1};
2614 av_log(NULL, AV_LOG_WARNING,
2616 "about the input framerate is available. Falling "
2617 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2618 "if you want a different framerate.\n",
2619 ost->file_index, ost->index);
2621 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2622 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2623 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2624 ost->frame_rate = ost->enc->supported_framerates[idx];
2626 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2627 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2628 ost->frame_rate.num, ost->frame_rate.den, 65535);
2632 switch (enc_ctx->codec_type) {
2633 case AVMEDIA_TYPE_AUDIO:
2634 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2635 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2636 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2637 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2638 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2640 case AVMEDIA_TYPE_VIDEO:
2641 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2642 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2643 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2644 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2645 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2646 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2647 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2649 for (j = 0; j < ost->forced_kf_count; j++)
2650 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2652 enc_ctx->time_base);
2654 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2655 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2656 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2657 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2658 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2659 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2660 if (!strncmp(ost->enc->name, "libx264", 7) &&
2661 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2662 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2663 av_log(NULL, AV_LOG_WARNING,
2664 "No pixel format specified, %s for H.264 encoding chosen.\n"
2665 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2666 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2667 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2668 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2669 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2670 av_log(NULL, AV_LOG_WARNING,
2671 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2672 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2673 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2674 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2677 enc_ctx->width != dec_ctx->width ||
2678 enc_ctx->height != dec_ctx->height ||
2679 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2680 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2683 if (ost->forced_keyframes) {
2684 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2685 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2686 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2688 av_log(NULL, AV_LOG_ERROR,
2689 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2692 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2693 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2694 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2695 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2697 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2701 case AVMEDIA_TYPE_SUBTITLE:
2702 enc_ctx->time_base = (AVRational){1, 1000};
2703 if (!enc_ctx->width) {
2704 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2705 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2713 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2714 char logfilename[1024];
2717 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2718 ost->logfile_prefix ? ost->logfile_prefix :
2719 DEFAULT_PASS_LOGFILENAME_PREFIX,
2721 if (!strcmp(ost->enc->name, "libx264")) {
2722 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2724 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2726 size_t logbuffer_size;
2727 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2728 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2732 enc_ctx->stats_in = logbuffer;
2734 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2735 f = av_fopen_utf8(logfilename, "wb");
2737 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2738 logfilename, strerror(errno));
2748 /* open each encoder */
2749 for (i = 0; i < nb_output_streams; i++) {
2750 ost = output_streams[i];
2751 if (ost->encoding_needed) {
2752 AVCodec *codec = ost->enc;
2753 AVCodecContext *dec = NULL;
2755 if ((ist = get_input_stream(ost)))
2756 dec = ist->st->codec;
2757 if (dec && dec->subtitle_header) {
2758 /* ASS code assumes this buffer is null terminated so add extra byte. */
2759 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2760 if (!ost->st->codec->subtitle_header) {
2761 ret = AVERROR(ENOMEM);
2764 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2765 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2767 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2768 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2769 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->encoder_opts)) < 0) {
2770 if (ret == AVERROR_EXPERIMENTAL)
2771 abort_codec_experimental(codec, 1);
2772 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2773 ost->file_index, ost->index);
2776 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2777 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2778 av_buffersink_set_frame_size(ost->filter->filter,
2779 ost->st->codec->frame_size);
2780 assert_avoptions(ost->encoder_opts);
2781 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2782 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2783 " It takes bits/s as argument, not kbits/s\n");
2785 av_opt_set_dict(ost->st->codec, &ost->encoder_opts);
2789 /* init input streams */
2790 for (i = 0; i < nb_input_streams; i++)
2791 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2792 for (i = 0; i < nb_output_streams; i++) {
2793 ost = output_streams[i];
2794 avcodec_close(ost->st->codec);
2799 /* discard unused programs */
2800 for (i = 0; i < nb_input_files; i++) {
2801 InputFile *ifile = input_files[i];
2802 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2803 AVProgram *p = ifile->ctx->programs[j];
2804 int discard = AVDISCARD_ALL;
2806 for (k = 0; k < p->nb_stream_indexes; k++)
2807 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2808 discard = AVDISCARD_DEFAULT;
2811 p->discard = discard;
2815 /* open files and write file headers */
2816 for (i = 0; i < nb_output_files; i++) {
2817 oc = output_files[i]->ctx;
2818 oc->interrupt_callback = int_cb;
2819 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2820 snprintf(error, sizeof(error),
2821 "Could not write header for output file #%d "
2822 "(incorrect codec parameters ?): %s",
2823 i, av_err2str(ret));
2824 ret = AVERROR(EINVAL);
2827 // assert_avoptions(output_files[i]->opts);
2828 if (strcmp(oc->oformat->name, "rtp")) {
2834 /* dump the file output parameters - cannot be done before in case
2836 for (i = 0; i < nb_output_files; i++) {
2837 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2840 /* dump the stream mapping */
2841 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2842 for (i = 0; i < nb_input_streams; i++) {
2843 ist = input_streams[i];
2845 for (j = 0; j < ist->nb_filters; j++) {
2846 if (ist->filters[j]->graph->graph_desc) {
2847 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2848 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2849 ist->filters[j]->name);
2850 if (nb_filtergraphs > 1)
2851 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2852 av_log(NULL, AV_LOG_INFO, "\n");
2857 for (i = 0; i < nb_output_streams; i++) {
2858 ost = output_streams[i];
2860 if (ost->attachment_filename) {
2861 /* an attached file */
2862 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2863 ost->attachment_filename, ost->file_index, ost->index);
2867 if (ost->filter && ost->filter->graph->graph_desc) {
2868 /* output from a complex graph */
2869 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2870 if (nb_filtergraphs > 1)
2871 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2873 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2874 ost->index, ost->enc ? ost->enc->name : "?");
2878 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2879 input_streams[ost->source_index]->file_index,
2880 input_streams[ost->source_index]->st->index,
2883 if (ost->sync_ist != input_streams[ost->source_index])
2884 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2885 ost->sync_ist->file_index,
2886 ost->sync_ist->st->index);
2887 if (ost->stream_copy)
2888 av_log(NULL, AV_LOG_INFO, " (copy)");
2890 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2891 input_streams[ost->source_index]->dec->name : "?",
2892 ost->enc ? ost->enc->name : "?");
2893 av_log(NULL, AV_LOG_INFO, "\n");
2897 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2905 transcode_init_done = 1;
2910 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2911 static int need_output(void)
2915 for (i = 0; i < nb_output_streams; i++) {
2916 OutputStream *ost = output_streams[i];
2917 OutputFile *of = output_files[ost->file_index];
2918 AVFormatContext *os = output_files[ost->file_index]->ctx;
2920 if (ost->finished ||
2921 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2923 if (ost->frame_number >= ost->max_frames) {
2925 for (j = 0; j < of->ctx->nb_streams; j++)
2926 close_output_stream(output_streams[of->ost_index + j]);
2937 * Select the output stream to process.
2939 * @return selected output stream, or NULL if none available
2941 static OutputStream *choose_output(void)
2944 int64_t opts_min = INT64_MAX;
2945 OutputStream *ost_min = NULL;
2947 for (i = 0; i < nb_output_streams; i++) {
2948 OutputStream *ost = output_streams[i];
2949 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2951 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2959 static int check_keyboard_interaction(int64_t cur_time)
2962 static int64_t last_time;
2963 if (received_nb_signals)
2964 return AVERROR_EXIT;
2965 /* read_key() returns 0 on EOF */
2966 if(cur_time - last_time >= 100000 && !run_as_daemon){
2968 last_time = cur_time;
2972 return AVERROR_EXIT;
2973 if (key == '+') av_log_set_level(av_log_get_level()+10);
2974 if (key == '-') av_log_set_level(av_log_get_level()-10);
2975 if (key == 's') qp_hist ^= 1;
2978 do_hex_dump = do_pkt_dump = 0;
2979 } else if(do_pkt_dump){
2983 av_log_set_level(AV_LOG_DEBUG);
2985 if (key == 'c' || key == 'C'){
2986 char buf[4096], target[64], command[256], arg[256] = {0};
2989 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2991 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2996 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2997 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2998 target, time, command, arg);
2999 for (i = 0; i < nb_filtergraphs; i++) {
3000 FilterGraph *fg = filtergraphs[i];
3003 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3004 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3005 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3006 } else if (key == 'c') {
3007 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3008 ret = AVERROR_PATCHWELCOME;
3010 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3015 av_log(NULL, AV_LOG_ERROR,
3016 "Parse error, at least 3 arguments were expected, "
3017 "only %d given in string '%s'\n", n, buf);
3020 if (key == 'd' || key == 'D'){
3023 debug = input_streams[0]->st->codec->debug<<1;
3024 if(!debug) debug = 1;
3025 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3028 if(scanf("%d", &debug)!=1)
3029 fprintf(stderr,"error parsing debug value\n");
3030 for(i=0;i<nb_input_streams;i++) {
3031 input_streams[i]->st->codec->debug = debug;
3033 for(i=0;i<nb_output_streams;i++) {
3034 OutputStream *ost = output_streams[i];
3035 ost->st->codec->debug = debug;
3037 if(debug) av_log_set_level(AV_LOG_DEBUG);
3038 fprintf(stderr,"debug=%d\n", debug);
3041 fprintf(stderr, "key function\n"
3042 "? show this help\n"
3043 "+ increase verbosity\n"
3044 "- decrease verbosity\n"
3045 "c Send command to first matching filter supporting it\n"
3046 "C Send/Que command to all matching filters\n"
3047 "D cycle through available debug modes\n"
3048 "h dump packets/hex press to cycle through the 3 states\n"
3050 "s Show QP histogram\n"
3057 static void *input_thread(void *arg)
3062 while (!transcoding_finished && ret >= 0) {
3064 ret = av_read_frame(f->ctx, &pkt);
3066 if (ret == AVERROR(EAGAIN)) {
3073 pthread_mutex_lock(&f->fifo_lock);
3074 while (!av_fifo_space(f->fifo))
3075 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3077 av_dup_packet(&pkt);
3078 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
3079 pthread_cond_signal(&f->fifo_cond);
3081 pthread_mutex_unlock(&f->fifo_lock);
3084 pthread_mutex_lock(&f->fifo_lock);
3086 pthread_cond_signal(&f->fifo_cond);
3087 pthread_mutex_unlock(&f->fifo_lock);
3091 static void free_input_threads(void)
3095 if (nb_input_files == 1)
3098 transcoding_finished = 1;
3100 for (i = 0; i < nb_input_files; i++) {
3101 InputFile *f = input_files[i];
3104 if (!f->fifo || f->joined)
3107 pthread_mutex_lock(&f->fifo_lock);
3108 while (av_fifo_size(f->fifo)) {
3109 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3110 av_free_packet(&pkt);
3112 pthread_cond_signal(&f->fifo_cond);
3113 pthread_mutex_unlock(&f->fifo_lock);
3115 pthread_join(f->thread, NULL);
3118 while (av_fifo_size(f->fifo)) {
3119 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3120 av_free_packet(&pkt);
3122 av_fifo_freep(&f->fifo);
3126 static int init_input_threads(void)
3130 if (nb_input_files == 1)
3133 for (i = 0; i < nb_input_files; i++) {
3134 InputFile *f = input_files[i];
3136 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3137 return AVERROR(ENOMEM);
3139 if (f->ctx->pb ? !f->ctx->pb->seekable :
3140 strcmp(f->ctx->iformat->name, "lavfi"))
3141 f->non_blocking = 1;
3143 pthread_mutex_init(&f->fifo_lock, NULL);
3144 pthread_cond_init (&f->fifo_cond, NULL);
3146 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3147 return AVERROR(ret);
3152 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3156 pthread_mutex_lock(&f->fifo_lock);
3159 if (av_fifo_size(f->fifo)) {
3160 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3161 pthread_cond_signal(&f->fifo_cond);
3168 if (f->non_blocking) {
3169 ret = AVERROR(EAGAIN);
3172 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3176 pthread_mutex_unlock(&f->fifo_lock);
3182 static int get_input_packet(InputFile *f, AVPacket *pkt)
3186 for (i = 0; i < f->nb_streams; i++) {
3187 InputStream *ist = input_streams[f->ist_index + i];
3188 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3189 int64_t now = av_gettime() - ist->start;
3191 return AVERROR(EAGAIN);
3196 if (nb_input_files > 1)
3197 return get_input_packet_mt(f, pkt);
3199 return av_read_frame(f->ctx, pkt);
3202 static int got_eagain(void)
3205 for (i = 0; i < nb_output_streams; i++)
3206 if (output_streams[i]->unavailable)
3211 static void reset_eagain(void)
3214 for (i = 0; i < nb_input_files; i++)
3215 input_files[i]->eagain = 0;
3216 for (i = 0; i < nb_output_streams; i++)
3217 output_streams[i]->unavailable = 0;
3222 * - 0 -- one packet was read and processed
3223 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3224 * this function should be called again
3225 * - AVERROR_EOF -- this function should not be called again
3227 static int process_input(int file_index)
3229 InputFile *ifile = input_files[file_index];
3230 AVFormatContext *is;
3236 ret = get_input_packet(ifile, &pkt);
3238 if (ret == AVERROR(EAGAIN)) {
3243 if (ret != AVERROR_EOF) {
3244 print_error(is->filename, ret);
3248 ifile->eof_reached = 1;
3250 for (i = 0; i < ifile->nb_streams; i++) {
3251 ist = input_streams[ifile->ist_index + i];
3252 if (ist->decoding_needed)
3253 output_packet(ist, NULL);
3255 /* mark all outputs that don't go through lavfi as finished */
3256 for (j = 0; j < nb_output_streams; j++) {
3257 OutputStream *ost = output_streams[j];
3259 if (ost->source_index == ifile->ist_index + i &&
3260 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3261 close_output_stream(ost);
3265 return AVERROR(EAGAIN);
3271 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3272 is->streams[pkt.stream_index]);
3274 /* the following test is needed in case new streams appear
3275 dynamically in stream : we ignore them */
3276 if (pkt.stream_index >= ifile->nb_streams) {
3277 report_new_stream(file_index, &pkt);
3278 goto discard_packet;
3281 ist = input_streams[ifile->ist_index + pkt.stream_index];
3283 ist->data_size += pkt.size;
3287 goto discard_packet;
3290 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3291 "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",
3292 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3293 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3294 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3295 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3296 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3297 av_ts2str(input_files[ist->file_index]->ts_offset),
3298 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3301 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3302 int64_t stime, stime2;
3303 // Correcting starttime based on the enabled streams
3304 // 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.
3305 // so we instead do it here as part of discontinuity handling
3306 if ( ist->next_dts == AV_NOPTS_VALUE
3307 && ifile->ts_offset == -is->start_time
3308 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3309 int64_t new_start_time = INT64_MAX;
3310 for (i=0; i<is->nb_streams; i++) {
3311 AVStream *st = is->streams[i];
3312 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3314 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3316 if (new_start_time > is->start_time) {
3317 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3318 ifile->ts_offset = -new_start_time;
3322 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3323 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3324 ist->wrap_correction_done = 1;
3326 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3327 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3328 ist->wrap_correction_done = 0;
3330 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3331 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3332 ist->wrap_correction_done = 0;
3336 /* add the stream-global side data to the first packet */
3337 if (ist->nb_packets == 1)
3338 if (ist->st->nb_side_data)
3339 av_packet_split_side_data(&pkt);
3340 for (i = 0; i < ist->st->nb_side_data; i++) {
3341 AVPacketSideData *src_sd = &ist->st->side_data[i];
3344 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3347 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3351 memcpy(dst_data, src_sd->data, src_sd->size);
3354 if (pkt.dts != AV_NOPTS_VALUE)
3355 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3356 if (pkt.pts != AV_NOPTS_VALUE)
3357 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3359 if (pkt.pts != AV_NOPTS_VALUE)
3360 pkt.pts *= ist->ts_scale;
3361 if (pkt.dts != AV_NOPTS_VALUE)
3362 pkt.dts *= ist->ts_scale;
3364 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3365 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3366 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3367 int64_t delta = pkt_dts - ifile->last_ts;
3368 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3369 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3370 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3371 ifile->ts_offset -= delta;
3372 av_log(NULL, AV_LOG_DEBUG,
3373 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3374 delta, ifile->ts_offset);
3375 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3376 if (pkt.pts != AV_NOPTS_VALUE)
3377 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3381 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3383 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3384 int64_t delta = pkt_dts - ist->next_dts;
3385 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3386 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3387 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3388 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3389 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3390 ifile->ts_offset -= delta;
3391 av_log(NULL, AV_LOG_DEBUG,
3392 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3393 delta, ifile->ts_offset);
3394 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3395 if (pkt.pts != AV_NOPTS_VALUE)
3396 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3399 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3400 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3401 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3402 pkt.dts = AV_NOPTS_VALUE;
3404 if (pkt.pts != AV_NOPTS_VALUE){
3405 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3406 delta = pkt_pts - ist->next_dts;
3407 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3408 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3409 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3410 pkt.pts = AV_NOPTS_VALUE;
3416 if (pkt.dts != AV_NOPTS_VALUE)
3417 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3420 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",
3421 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3422 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3423 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3424 av_ts2str(input_files[ist->file_index]->ts_offset),
3425 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3428 sub2video_heartbeat(ist, pkt.pts);
3430 ret = output_packet(ist, &pkt);
3432 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3433 ist->file_index, ist->st->index, av_err2str(ret));
3439 av_free_packet(&pkt);
3445 * Perform a step of transcoding for the specified filter graph.
3447 * @param[in] graph filter graph to consider
3448 * @param[out] best_ist input stream where a frame would allow to continue
3449 * @return 0 for success, <0 for error
3451 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3454 int nb_requests, nb_requests_max = 0;
3455 InputFilter *ifilter;
3459 ret = avfilter_graph_request_oldest(graph->graph);
3461 return reap_filters();
3463 if (ret == AVERROR_EOF) {
3464 ret = reap_filters();
3465 for (i = 0; i < graph->nb_outputs; i++)
3466 close_output_stream(graph->outputs[i]->ost);
3469 if (ret != AVERROR(EAGAIN))
3472 for (i = 0; i < graph->nb_inputs; i++) {
3473 ifilter = graph->inputs[i];
3475 if (input_files[ist->file_index]->eagain ||
3476 input_files[ist->file_index]->eof_reached)
3478 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3479 if (nb_requests > nb_requests_max) {
3480 nb_requests_max = nb_requests;
3486 for (i = 0; i < graph->nb_outputs; i++)
3487 graph->outputs[i]->ost->unavailable = 1;
3493 * Run a single step of transcoding.
3495 * @return 0 for success, <0 for error
3497 static int transcode_step(void)
3503 ost = choose_output();
3510 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3515 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3520 av_assert0(ost->source_index >= 0);
3521 ist = input_streams[ost->source_index];
3524 ret = process_input(ist->file_index);
3525 if (ret == AVERROR(EAGAIN)) {
3526 if (input_files[ist->file_index]->eagain)
3527 ost->unavailable = 1;
3531 return ret == AVERROR_EOF ? 0 : ret;
3533 return reap_filters();
3537 * The following code is the main loop of the file converter
3539 static int transcode(void)
3542 AVFormatContext *os;
3545 int64_t timer_start;
3547 ret = transcode_init();
3551 if (stdin_interaction) {
3552 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3555 timer_start = av_gettime();
3558 if ((ret = init_input_threads()) < 0)
3562 while (!received_sigterm) {
3563 int64_t cur_time= av_gettime();
3565 /* if 'q' pressed, exits */
3566 if (stdin_interaction)
3567 if (check_keyboard_interaction(cur_time) < 0)
3570 /* check if there's any stream where output is still needed */
3571 if (!need_output()) {
3572 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3576 ret = transcode_step();
3578 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3581 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3585 /* dump report by using the output first video and audio streams */
3586 print_report(0, timer_start, cur_time);
3589 free_input_threads();
3592 /* at the end of stream, we must flush the decoder buffers */
3593 for (i = 0; i < nb_input_streams; i++) {
3594 ist = input_streams[i];
3595 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3596 output_packet(ist, NULL);
3603 /* write the trailer if needed and close file */
3604 for (i = 0; i < nb_output_files; i++) {
3605 os = output_files[i]->ctx;
3606 av_write_trailer(os);
3609 /* dump report by using the first video and audio streams */
3610 print_report(1, timer_start, av_gettime());
3612 /* close each encoder */
3613 for (i = 0; i < nb_output_streams; i++) {
3614 ost = output_streams[i];
3615 if (ost->encoding_needed) {
3616 av_freep(&ost->st->codec->stats_in);
3617 avcodec_close(ost->st->codec);
3621 /* close each decoder */
3622 for (i = 0; i < nb_input_streams; i++) {
3623 ist = input_streams[i];
3624 if (ist->decoding_needed) {
3625 avcodec_close(ist->st->codec);
3626 if (ist->hwaccel_uninit)
3627 ist->hwaccel_uninit(ist->st->codec);
3636 free_input_threads();
3639 if (output_streams) {
3640 for (i = 0; i < nb_output_streams; i++) {
3641 ost = output_streams[i];
3643 if (ost->stream_copy)
3644 av_freep(&ost->st->codec->extradata);
3646 fclose(ost->logfile);
3647 ost->logfile = NULL;
3649 av_freep(&ost->st->codec->subtitle_header);
3650 av_freep(&ost->forced_kf_pts);
3651 av_freep(&ost->apad);
3652 av_dict_free(&ost->encoder_opts);
3653 av_dict_free(&ost->swr_opts);
3654 av_dict_free(&ost->resample_opts);
3662 static int64_t getutime(void)
3665 struct rusage rusage;
3667 getrusage(RUSAGE_SELF, &rusage);
3668 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3669 #elif HAVE_GETPROCESSTIMES
3671 FILETIME c, e, k, u;
3672 proc = GetCurrentProcess();
3673 GetProcessTimes(proc, &c, &e, &k, &u);
3674 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3676 return av_gettime();
3680 static int64_t getmaxrss(void)
3682 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3683 struct rusage rusage;
3684 getrusage(RUSAGE_SELF, &rusage);
3685 return (int64_t)rusage.ru_maxrss * 1024;
3686 #elif HAVE_GETPROCESSMEMORYINFO
3688 PROCESS_MEMORY_COUNTERS memcounters;
3689 proc = GetCurrentProcess();
3690 memcounters.cb = sizeof(memcounters);
3691 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3692 return memcounters.PeakPagefileUsage;
3698 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3702 int main(int argc, char **argv)
3707 register_exit(ffmpeg_cleanup);
3709 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3711 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3712 parse_loglevel(argc, argv, options);
3714 if(argc>1 && !strcmp(argv[1], "-d")){
3716 av_log_set_callback(log_callback_null);
3721 avcodec_register_all();
3723 avdevice_register_all();
3725 avfilter_register_all();
3727 avformat_network_init();
3729 show_banner(argc, argv, options);
3733 /* parse options and open all input/output files */
3734 ret = ffmpeg_parse_options(argc, argv);
3738 if (nb_output_files <= 0 && nb_input_files == 0) {
3740 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3744 /* file converter / grab */
3745 if (nb_output_files <= 0) {
3746 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3750 // if (nb_input_files == 0) {
3751 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3755 current_time = ti = getutime();
3756 if (transcode() < 0)
3758 ti = getutime() - ti;
3760 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3762 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3763 decode_error_stat[0], decode_error_stat[1]);
3764 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3767 exit_program(received_nb_signals ? 255 : main_return_code);
3768 return main_return_code;