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 AVPacket new_pkt = *pkt;
602 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
603 &new_pkt.data, &new_pkt.size,
604 pkt->data, pkt->size,
605 pkt->flags & AV_PKT_FLAG_KEY);
606 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
607 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
609 memcpy(t, new_pkt.data, new_pkt.size);
610 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
619 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
620 av_buffer_default_free, NULL, 0);
624 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
625 bsfc->filter->name, pkt->stream_index,
626 avctx->codec ? avctx->codec->name : "copy");
636 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
637 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
638 pkt->dts != AV_NOPTS_VALUE &&
639 ost->last_mux_dts != AV_NOPTS_VALUE) {
640 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
641 if (pkt->dts < max) {
642 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
643 av_log(s, loglevel, "Non-monotonous DTS in output stream "
644 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
645 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
647 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
650 av_log(s, loglevel, "changing to %"PRId64". This may result "
651 "in incorrect timestamps in the output file.\n",
653 if(pkt->pts >= pkt->dts)
654 pkt->pts = FFMAX(pkt->pts, max);
658 ost->last_mux_dts = pkt->dts;
660 ost->data_size += pkt->size;
661 ost->packets_written++;
663 pkt->stream_index = ost->index;
666 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
667 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
668 av_get_media_type_string(ost->st->codec->codec_type),
669 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
670 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
675 ret = av_interleaved_write_frame(s, pkt);
677 print_error("av_interleaved_write_frame()", ret);
678 main_return_code = 1;
679 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
684 static void close_output_stream(OutputStream *ost)
686 OutputFile *of = output_files[ost->file_index];
688 ost->finished |= ENCODER_FINISHED;
690 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
691 of->recording_time = FFMIN(of->recording_time, end);
695 static int check_recording_time(OutputStream *ost)
697 OutputFile *of = output_files[ost->file_index];
699 if (of->recording_time != INT64_MAX &&
700 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
701 AV_TIME_BASE_Q) >= 0) {
702 close_output_stream(ost);
708 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
711 AVCodecContext *enc = ost->st->codec;
715 av_init_packet(&pkt);
719 if (!check_recording_time(ost))
722 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
723 frame->pts = ost->sync_opts;
724 ost->sync_opts = frame->pts + frame->nb_samples;
725 ost->samples_encoded += frame->nb_samples;
726 ost->frames_encoded++;
728 av_assert0(pkt.size || !pkt.data);
729 update_benchmark(NULL);
731 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
732 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
733 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
734 enc->time_base.num, enc->time_base.den);
737 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
738 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
741 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
744 if (pkt.pts != AV_NOPTS_VALUE)
745 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
746 if (pkt.dts != AV_NOPTS_VALUE)
747 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
748 if (pkt.duration > 0)
749 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
752 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
753 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
754 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
755 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
758 write_frame(s, &pkt, ost);
762 static void do_subtitle_out(AVFormatContext *s,
767 int subtitle_out_max_size = 1024 * 1024;
768 int subtitle_out_size, nb, i;
773 if (sub->pts == AV_NOPTS_VALUE) {
774 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
780 enc = ost->st->codec;
783 subtitle_out = av_malloc(subtitle_out_max_size);
786 /* Note: DVB subtitle need one packet to draw them and one other
787 packet to clear them */
788 /* XXX: signal it in the codec context ? */
789 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
794 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
796 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
797 pts -= output_files[ost->file_index]->start_time;
798 for (i = 0; i < nb; i++) {
799 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
800 if (!check_recording_time(ost))
804 // start_display_time is required to be 0
805 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
806 sub->end_display_time -= sub->start_display_time;
807 sub->start_display_time = 0;
811 ost->frames_encoded++;
813 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
814 subtitle_out_max_size, sub);
815 if (subtitle_out_size < 0) {
816 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
820 av_init_packet(&pkt);
821 pkt.data = subtitle_out;
822 pkt.size = subtitle_out_size;
823 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
824 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
825 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
826 /* XXX: the pts correction is handled here. Maybe handling
827 it in the codec would be better */
829 pkt.pts += 90 * sub->start_display_time;
831 pkt.pts += 90 * sub->end_display_time;
833 write_frame(s, &pkt, ost);
837 static void do_video_out(AVFormatContext *s,
841 int ret, format_video_sync;
843 AVCodecContext *enc = ost->st->codec;
845 double sync_ipts, delta;
848 InputStream *ist = NULL;
850 if (ost->source_index >= 0)
851 ist = input_streams[ost->source_index];
853 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
854 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
856 sync_ipts = in_picture->pts;
857 delta = sync_ipts - ost->sync_opts + duration;
859 /* by default, we output a single frame */
862 format_video_sync = video_sync_method;
863 if (format_video_sync == VSYNC_AUTO) {
864 if(!strcmp(s->oformat->name, "avi")) {
865 format_video_sync = VSYNC_VFR;
867 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
869 && format_video_sync == VSYNC_CFR
870 && input_files[ist->file_index]->ctx->nb_streams == 1
871 && input_files[ist->file_index]->input_ts_offset == 0) {
872 format_video_sync = VSYNC_VSCFR;
874 if (format_video_sync == VSYNC_CFR && copy_ts) {
875 format_video_sync = VSYNC_VSCFR;
879 switch (format_video_sync) {
881 if (ost->frame_number == 0 && delta - duration >= 0.5) {
882 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
884 ost->sync_opts = lrint(sync_ipts);
887 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
890 else if (delta > 1.1)
891 nb_frames = lrintf(delta);
896 else if (delta > 0.6)
897 ost->sync_opts = lrint(sync_ipts);
900 case VSYNC_PASSTHROUGH:
901 ost->sync_opts = lrint(sync_ipts);
907 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
908 if (nb_frames == 0) {
910 av_log(NULL, AV_LOG_VERBOSE,
911 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
912 ost->frame_number, ost->st->index, in_picture->pts);
914 } else if (nb_frames > 1) {
915 if (nb_frames > dts_error_threshold * 30) {
916 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
920 nb_frames_dup += nb_frames - 1;
921 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
924 /* duplicates frame if needed */
925 for (i = 0; i < nb_frames; i++) {
926 av_init_packet(&pkt);
930 in_picture->pts = ost->sync_opts;
933 if (!check_recording_time(ost))
935 if (ost->frame_number >= ost->max_frames)
939 if (s->oformat->flags & AVFMT_RAWPICTURE &&
940 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
941 /* raw pictures are written as AVPicture structure to
942 avoid any copies. We support temporarily the older
944 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
945 enc->coded_frame->top_field_first = in_picture->top_field_first;
946 if (enc->coded_frame->interlaced_frame)
947 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
949 enc->field_order = AV_FIELD_PROGRESSIVE;
950 pkt.data = (uint8_t *)in_picture;
951 pkt.size = sizeof(AVPicture);
952 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
953 pkt.flags |= AV_PKT_FLAG_KEY;
955 write_frame(s, &pkt, ost);
957 int got_packet, forced_keyframe = 0;
960 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
961 ost->top_field_first >= 0)
962 in_picture->top_field_first = !!ost->top_field_first;
964 if (in_picture->interlaced_frame) {
965 if (enc->codec->id == AV_CODEC_ID_MJPEG)
966 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
968 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
970 enc->field_order = AV_FIELD_PROGRESSIVE;
972 in_picture->quality = ost->st->codec->global_quality;
973 if (!enc->me_threshold)
974 in_picture->pict_type = 0;
976 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
977 in_picture->pts * av_q2d(enc->time_base) : NAN;
978 if (ost->forced_kf_index < ost->forced_kf_count &&
979 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
980 ost->forced_kf_index++;
982 } else if (ost->forced_keyframes_pexpr) {
984 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
985 res = av_expr_eval(ost->forced_keyframes_pexpr,
986 ost->forced_keyframes_expr_const_values, NULL);
987 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
988 ost->forced_keyframes_expr_const_values[FKF_N],
989 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
990 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
991 ost->forced_keyframes_expr_const_values[FKF_T],
992 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
996 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
997 ost->forced_keyframes_expr_const_values[FKF_N];
998 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
999 ost->forced_keyframes_expr_const_values[FKF_T];
1000 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1003 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1006 if (forced_keyframe) {
1007 in_picture->pict_type = AV_PICTURE_TYPE_I;
1008 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1011 update_benchmark(NULL);
1013 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1014 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1015 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1016 enc->time_base.num, enc->time_base.den);
1019 ost->frames_encoded++;
1021 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1022 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1024 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1030 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1031 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1032 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1033 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1036 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1037 pkt.pts = ost->sync_opts;
1039 if (pkt.pts != AV_NOPTS_VALUE)
1040 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1041 if (pkt.dts != AV_NOPTS_VALUE)
1042 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1045 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1046 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1047 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1048 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1051 frame_size = pkt.size;
1052 write_frame(s, &pkt, ost);
1054 /* if two pass, output log */
1055 if (ost->logfile && enc->stats_out) {
1056 fprintf(ost->logfile, "%s", enc->stats_out);
1062 * For video, number of frames in == number of packets out.
1063 * But there may be reordering, so we can't throw away frames on encoder
1064 * flush, we need to limit them here, before they go into encoder.
1066 ost->frame_number++;
1068 if (vstats_filename && frame_size)
1069 do_video_stats(ost, frame_size);
1073 static double psnr(double d)
1075 return -10.0 * log(d) / log(10.0);
1078 static void do_video_stats(OutputStream *ost, int frame_size)
1080 AVCodecContext *enc;
1082 double ti1, bitrate, avg_bitrate;
1084 /* this is executed just the first time do_video_stats is called */
1086 vstats_file = fopen(vstats_filename, "w");
1093 enc = ost->st->codec;
1094 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1095 frame_number = ost->st->nb_frames;
1096 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1097 if (enc->flags&CODEC_FLAG_PSNR)
1098 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1100 fprintf(vstats_file,"f_size= %6d ", frame_size);
1101 /* compute pts value */
1102 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1106 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1107 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1108 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1109 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1110 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1115 * Get and encode new output from any of the filtergraphs, without causing
1118 * @return 0 for success, <0 for severe errors
1120 static int reap_filters(void)
1122 AVFrame *filtered_frame = NULL;
1126 /* Reap all buffers present in the buffer sinks */
1127 for (i = 0; i < nb_output_streams; i++) {
1128 OutputStream *ost = output_streams[i];
1129 OutputFile *of = output_files[ost->file_index];
1130 AVFilterContext *filter;
1131 AVCodecContext *enc = ost->st->codec;
1136 filter = ost->filter->filter;
1138 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1139 return AVERROR(ENOMEM);
1141 filtered_frame = ost->filtered_frame;
1144 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1145 AV_BUFFERSINK_FLAG_NO_REQUEST);
1147 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1148 av_log(NULL, AV_LOG_WARNING,
1149 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1153 if (ost->finished) {
1154 av_frame_unref(filtered_frame);
1157 frame_pts = AV_NOPTS_VALUE;
1158 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1159 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1160 filtered_frame->pts = frame_pts =
1161 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1162 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1164 //if (ost->source_index >= 0)
1165 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1167 switch (filter->inputs[0]->type) {
1168 case AVMEDIA_TYPE_VIDEO:
1169 filtered_frame->pts = frame_pts;
1170 if (!ost->frame_aspect_ratio.num)
1171 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1174 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1175 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1176 enc->time_base.num, enc->time_base.den);
1179 do_video_out(of->ctx, ost, filtered_frame);
1181 case AVMEDIA_TYPE_AUDIO:
1182 filtered_frame->pts = frame_pts;
1183 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1184 enc->channels != av_frame_get_channels(filtered_frame)) {
1185 av_log(NULL, AV_LOG_ERROR,
1186 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1189 do_audio_out(of->ctx, ost, filtered_frame);
1192 // TODO support subtitle filters
1196 av_frame_unref(filtered_frame);
1203 static void print_final_stats(int64_t total_size)
1205 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1206 uint64_t subtitle_size = 0;
1207 uint64_t data_size = 0;
1208 float percent = -1.0;
1211 for (i = 0; i < nb_output_streams; i++) {
1212 OutputStream *ost = output_streams[i];
1213 switch (ost->st->codec->codec_type) {
1214 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1215 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1216 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1217 default: other_size += ost->data_size; break;
1219 extra_size += ost->st->codec->extradata_size;
1220 data_size += ost->data_size;
1223 if (data_size && total_size >= data_size)
1224 percent = 100.0 * (total_size - data_size) / data_size;
1226 av_log(NULL, AV_LOG_INFO, "\n");
1227 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: ",
1228 video_size / 1024.0,
1229 audio_size / 1024.0,
1230 subtitle_size / 1024.0,
1231 other_size / 1024.0,
1232 extra_size / 1024.0);
1234 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1236 av_log(NULL, AV_LOG_INFO, "unknown");
1237 av_log(NULL, AV_LOG_INFO, "\n");
1239 /* print verbose per-stream stats */
1240 for (i = 0; i < nb_input_files; i++) {
1241 InputFile *f = input_files[i];
1242 uint64_t total_packets = 0, total_size = 0;
1244 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1245 i, f->ctx->filename);
1247 for (j = 0; j < f->nb_streams; j++) {
1248 InputStream *ist = input_streams[f->ist_index + j];
1249 enum AVMediaType type = ist->st->codec->codec_type;
1251 total_size += ist->data_size;
1252 total_packets += ist->nb_packets;
1254 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1255 i, j, media_type_string(type));
1256 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1257 ist->nb_packets, ist->data_size);
1259 if (ist->decoding_needed) {
1260 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1261 ist->frames_decoded);
1262 if (type == AVMEDIA_TYPE_AUDIO)
1263 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1264 av_log(NULL, AV_LOG_VERBOSE, "; ");
1267 av_log(NULL, AV_LOG_VERBOSE, "\n");
1270 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1271 total_packets, total_size);
1274 for (i = 0; i < nb_output_files; i++) {
1275 OutputFile *of = output_files[i];
1276 uint64_t total_packets = 0, total_size = 0;
1278 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1279 i, of->ctx->filename);
1281 for (j = 0; j < of->ctx->nb_streams; j++) {
1282 OutputStream *ost = output_streams[of->ost_index + j];
1283 enum AVMediaType type = ost->st->codec->codec_type;
1285 total_size += ost->data_size;
1286 total_packets += ost->packets_written;
1288 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1289 i, j, media_type_string(type));
1290 if (ost->encoding_needed) {
1291 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1292 ost->frames_encoded);
1293 if (type == AVMEDIA_TYPE_AUDIO)
1294 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1295 av_log(NULL, AV_LOG_VERBOSE, "; ");
1298 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1299 ost->packets_written, ost->data_size);
1301 av_log(NULL, AV_LOG_VERBOSE, "\n");
1304 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1305 total_packets, total_size);
1307 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1308 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1312 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1315 AVBPrint buf_script;
1317 AVFormatContext *oc;
1319 AVCodecContext *enc;
1320 int frame_number, vid, i;
1322 int64_t pts = INT64_MIN;
1323 static int64_t last_time = -1;
1324 static int qp_histogram[52];
1325 int hours, mins, secs, us;
1327 if (!print_stats && !is_last_report && !progress_avio)
1330 if (!is_last_report) {
1331 if (last_time == -1) {
1332 last_time = cur_time;
1335 if ((cur_time - last_time) < 500000)
1337 last_time = cur_time;
1341 oc = output_files[0]->ctx;
1343 total_size = avio_size(oc->pb);
1344 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1345 total_size = avio_tell(oc->pb);
1349 av_bprint_init(&buf_script, 0, 1);
1350 for (i = 0; i < nb_output_streams; i++) {
1352 ost = output_streams[i];
1353 enc = ost->st->codec;
1354 if (!ost->stream_copy && enc->coded_frame)
1355 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1356 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1358 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1359 ost->file_index, ost->index, q);
1361 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1362 float fps, t = (cur_time-timer_start) / 1000000.0;
1364 frame_number = ost->frame_number;
1365 fps = t > 1 ? frame_number / t : 0;
1366 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1367 frame_number, fps < 9.95, fps, q);
1368 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1369 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1370 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1371 ost->file_index, ost->index, q);
1373 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1377 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1379 for (j = 0; j < 32; j++)
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1382 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1384 double error, error_sum = 0;
1385 double scale, scale_sum = 0;
1387 char type[3] = { 'Y','U','V' };
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1389 for (j = 0; j < 3; j++) {
1390 if (is_last_report) {
1391 error = enc->error[j];
1392 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1394 error = enc->coded_frame->error[j];
1395 scale = enc->width * enc->height * 255.0 * 255.0;
1401 p = psnr(error / scale);
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1403 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1404 ost->file_index, ost->index, type[j] | 32, p);
1406 p = psnr(error_sum / scale_sum);
1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1408 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1409 ost->file_index, ost->index, p);
1413 /* compute min output value */
1414 if (ost->st->pts.val != AV_NOPTS_VALUE)
1415 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1416 ost->st->time_base, AV_TIME_BASE_Q));
1419 secs = pts / AV_TIME_BASE;
1420 us = pts % AV_TIME_BASE;
1426 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1428 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1430 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1431 "size=%8.0fkB time=", total_size / 1024.0);
1432 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1433 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1434 (100 * us) / AV_TIME_BASE);
1435 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1437 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1438 "bitrate=%6.1fkbits/s", bitrate);
1439 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1440 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1441 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1442 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1443 hours, mins, secs, us);
1445 if (nb_frames_dup || nb_frames_drop)
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1447 nb_frames_dup, nb_frames_drop);
1448 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1449 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1451 if (print_stats || is_last_report) {
1452 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1453 fprintf(stderr, "%s \r", buf);
1455 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1460 if (progress_avio) {
1461 av_bprintf(&buf_script, "progress=%s\n",
1462 is_last_report ? "end" : "continue");
1463 avio_write(progress_avio, buf_script.str,
1464 FFMIN(buf_script.len, buf_script.size - 1));
1465 avio_flush(progress_avio);
1466 av_bprint_finalize(&buf_script, NULL);
1467 if (is_last_report) {
1468 avio_close(progress_avio);
1469 progress_avio = NULL;
1474 print_final_stats(total_size);
1477 static void flush_encoders(void)
1481 for (i = 0; i < nb_output_streams; i++) {
1482 OutputStream *ost = output_streams[i];
1483 AVCodecContext *enc = ost->st->codec;
1484 AVFormatContext *os = output_files[ost->file_index]->ctx;
1485 int stop_encoding = 0;
1487 if (!ost->encoding_needed)
1490 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1492 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1496 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1499 switch (ost->st->codec->codec_type) {
1500 case AVMEDIA_TYPE_AUDIO:
1501 encode = avcodec_encode_audio2;
1504 case AVMEDIA_TYPE_VIDEO:
1505 encode = avcodec_encode_video2;
1516 av_init_packet(&pkt);
1520 update_benchmark(NULL);
1521 ret = encode(enc, &pkt, NULL, &got_packet);
1522 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1524 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1527 if (ost->logfile && enc->stats_out) {
1528 fprintf(ost->logfile, "%s", enc->stats_out);
1534 if (ost->finished & MUXER_FINISHED) {
1535 av_free_packet(&pkt);
1538 if (pkt.pts != AV_NOPTS_VALUE)
1539 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1540 if (pkt.dts != AV_NOPTS_VALUE)
1541 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1542 if (pkt.duration > 0)
1543 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1544 pkt_size = pkt.size;
1545 write_frame(os, &pkt, ost);
1546 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1547 do_video_stats(ost, pkt_size);
1558 * Check whether a packet from ist should be written into ost at this time
1560 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1562 OutputFile *of = output_files[ost->file_index];
1563 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1565 if (ost->source_index != ist_index)
1571 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1577 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1579 OutputFile *of = output_files[ost->file_index];
1580 InputFile *f = input_files [ist->file_index];
1581 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1582 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1583 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1587 av_init_packet(&opkt);
1589 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1590 !ost->copy_initial_nonkeyframes)
1593 if (pkt->pts == AV_NOPTS_VALUE) {
1594 if (!ost->frame_number && ist->pts < start_time &&
1595 !ost->copy_prior_start)
1598 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1599 !ost->copy_prior_start)
1603 if (of->recording_time != INT64_MAX &&
1604 ist->pts >= of->recording_time + start_time) {
1605 close_output_stream(ost);
1609 if (f->recording_time != INT64_MAX) {
1610 start_time = f->ctx->start_time;
1611 if (f->start_time != AV_NOPTS_VALUE)
1612 start_time += f->start_time;
1613 if (ist->pts >= f->recording_time + start_time) {
1614 close_output_stream(ost);
1619 /* force the input stream PTS */
1620 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1623 if (pkt->pts != AV_NOPTS_VALUE)
1624 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1626 opkt.pts = AV_NOPTS_VALUE;
1628 if (pkt->dts == AV_NOPTS_VALUE)
1629 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1631 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1632 opkt.dts -= ost_tb_start_time;
1634 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1635 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1637 duration = ist->st->codec->frame_size;
1638 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1639 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1640 ost->st->time_base) - ost_tb_start_time;
1643 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1644 opkt.flags = pkt->flags;
1646 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1647 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1648 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1649 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1650 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1652 if (av_parser_change(ost->parser, ost->st->codec,
1653 &opkt.data, &opkt.size,
1654 pkt->data, pkt->size,
1655 pkt->flags & AV_PKT_FLAG_KEY)) {
1656 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1661 opkt.data = pkt->data;
1662 opkt.size = pkt->size;
1664 av_copy_packet_side_data(&opkt, pkt);
1666 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1667 /* store AVPicture in AVPacket, as expected by the output format */
1668 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1669 opkt.data = (uint8_t *)&pict;
1670 opkt.size = sizeof(AVPicture);
1671 opkt.flags |= AV_PKT_FLAG_KEY;
1674 write_frame(of->ctx, &opkt, ost);
1677 int guess_input_channel_layout(InputStream *ist)
1679 AVCodecContext *dec = ist->st->codec;
1681 if (!dec->channel_layout) {
1682 char layout_name[256];
1684 if (dec->channels > ist->guess_layout_max)
1686 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1687 if (!dec->channel_layout)
1689 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1690 dec->channels, dec->channel_layout);
1691 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1692 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1697 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1699 AVFrame *decoded_frame, *f;
1700 AVCodecContext *avctx = ist->st->codec;
1701 int i, ret, err = 0, resample_changed;
1702 AVRational decoded_frame_tb;
1704 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1705 return AVERROR(ENOMEM);
1706 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1707 return AVERROR(ENOMEM);
1708 decoded_frame = ist->decoded_frame;
1710 update_benchmark(NULL);
1711 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1712 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1714 if (ret >= 0 && avctx->sample_rate <= 0) {
1715 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1716 ret = AVERROR_INVALIDDATA;
1719 if (*got_output || ret<0 || pkt->size)
1720 decode_error_stat[ret<0] ++;
1722 if (!*got_output || ret < 0) {
1724 for (i = 0; i < ist->nb_filters; i++)
1726 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1728 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1734 ist->samples_decoded += decoded_frame->nb_samples;
1735 ist->frames_decoded++;
1738 /* increment next_dts to use for the case where the input stream does not
1739 have timestamps or there are multiple frames in the packet */
1740 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1742 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1746 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1747 ist->resample_channels != avctx->channels ||
1748 ist->resample_channel_layout != decoded_frame->channel_layout ||
1749 ist->resample_sample_rate != decoded_frame->sample_rate;
1750 if (resample_changed) {
1751 char layout1[64], layout2[64];
1753 if (!guess_input_channel_layout(ist)) {
1754 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1755 "layout for Input Stream #%d.%d\n", ist->file_index,
1759 decoded_frame->channel_layout = avctx->channel_layout;
1761 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1762 ist->resample_channel_layout);
1763 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1764 decoded_frame->channel_layout);
1766 av_log(NULL, AV_LOG_INFO,
1767 "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",
1768 ist->file_index, ist->st->index,
1769 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1770 ist->resample_channels, layout1,
1771 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1772 avctx->channels, layout2);
1774 ist->resample_sample_fmt = decoded_frame->format;
1775 ist->resample_sample_rate = decoded_frame->sample_rate;
1776 ist->resample_channel_layout = decoded_frame->channel_layout;
1777 ist->resample_channels = avctx->channels;
1779 for (i = 0; i < nb_filtergraphs; i++)
1780 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1781 FilterGraph *fg = filtergraphs[i];
1783 if (configure_filtergraph(fg) < 0) {
1784 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1787 for (j = 0; j < fg->nb_outputs; j++) {
1788 OutputStream *ost = fg->outputs[j]->ost;
1789 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1790 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1791 av_buffersink_set_frame_size(ost->filter->filter,
1792 ost->st->codec->frame_size);
1797 /* if the decoder provides a pts, use it instead of the last packet pts.
1798 the decoder could be delaying output by a packet or more. */
1799 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1800 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1801 decoded_frame_tb = avctx->time_base;
1802 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1803 decoded_frame->pts = decoded_frame->pkt_pts;
1804 decoded_frame_tb = ist->st->time_base;
1805 } else if (pkt->pts != AV_NOPTS_VALUE) {
1806 decoded_frame->pts = pkt->pts;
1807 decoded_frame_tb = ist->st->time_base;
1809 decoded_frame->pts = ist->dts;
1810 decoded_frame_tb = AV_TIME_BASE_Q;
1812 pkt->pts = AV_NOPTS_VALUE;
1813 if (decoded_frame->pts != AV_NOPTS_VALUE)
1814 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1815 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1816 (AVRational){1, ist->st->codec->sample_rate});
1817 for (i = 0; i < ist->nb_filters; i++) {
1818 if (i < ist->nb_filters - 1) {
1819 f = ist->filter_frame;
1820 err = av_frame_ref(f, decoded_frame);
1825 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1826 AV_BUFFERSRC_FLAG_PUSH);
1827 if (err == AVERROR_EOF)
1828 err = 0; /* ignore */
1832 decoded_frame->pts = AV_NOPTS_VALUE;
1834 av_frame_unref(ist->filter_frame);
1835 av_frame_unref(decoded_frame);
1836 return err < 0 ? err : ret;
1839 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1841 AVFrame *decoded_frame, *f;
1842 int i, ret = 0, err = 0, resample_changed;
1843 int64_t best_effort_timestamp;
1844 AVRational *frame_sample_aspect;
1846 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1847 return AVERROR(ENOMEM);
1848 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1849 return AVERROR(ENOMEM);
1850 decoded_frame = ist->decoded_frame;
1851 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1853 update_benchmark(NULL);
1854 ret = avcodec_decode_video2(ist->st->codec,
1855 decoded_frame, got_output, pkt);
1856 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1858 if (*got_output || ret<0 || pkt->size)
1859 decode_error_stat[ret<0] ++;
1861 if (!*got_output || ret < 0) {
1863 for (i = 0; i < ist->nb_filters; i++)
1865 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1867 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1873 if(ist->top_field_first>=0)
1874 decoded_frame->top_field_first = ist->top_field_first;
1876 ist->frames_decoded++;
1878 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1879 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1883 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1885 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1886 if(best_effort_timestamp != AV_NOPTS_VALUE)
1887 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1890 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1891 "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",
1892 ist->st->index, av_ts2str(decoded_frame->pts),
1893 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1894 best_effort_timestamp,
1895 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1896 decoded_frame->key_frame, decoded_frame->pict_type,
1897 ist->st->time_base.num, ist->st->time_base.den);
1902 if (ist->st->sample_aspect_ratio.num)
1903 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1905 resample_changed = ist->resample_width != decoded_frame->width ||
1906 ist->resample_height != decoded_frame->height ||
1907 ist->resample_pix_fmt != decoded_frame->format;
1908 if (resample_changed) {
1909 av_log(NULL, AV_LOG_INFO,
1910 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1911 ist->file_index, ist->st->index,
1912 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1913 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1915 ist->resample_width = decoded_frame->width;
1916 ist->resample_height = decoded_frame->height;
1917 ist->resample_pix_fmt = decoded_frame->format;
1919 for (i = 0; i < nb_filtergraphs; i++) {
1920 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1921 configure_filtergraph(filtergraphs[i]) < 0) {
1922 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1928 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1929 for (i = 0; i < ist->nb_filters; i++) {
1930 if (!frame_sample_aspect->num)
1931 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1933 if (i < ist->nb_filters - 1) {
1934 f = ist->filter_frame;
1935 err = av_frame_ref(f, decoded_frame);
1940 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1941 if (ret == AVERROR_EOF) {
1942 ret = 0; /* ignore */
1943 } else if (ret < 0) {
1944 av_log(NULL, AV_LOG_FATAL,
1945 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1951 av_frame_unref(ist->filter_frame);
1952 av_frame_unref(decoded_frame);
1953 return err < 0 ? err : ret;
1956 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1958 AVSubtitle subtitle;
1959 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1960 &subtitle, got_output, pkt);
1962 if (*got_output || ret<0 || pkt->size)
1963 decode_error_stat[ret<0] ++;
1965 if (ret < 0 || !*got_output) {
1967 sub2video_flush(ist);
1971 if (ist->fix_sub_duration) {
1973 if (ist->prev_sub.got_output) {
1974 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1975 1000, AV_TIME_BASE);
1976 if (end < ist->prev_sub.subtitle.end_display_time) {
1977 av_log(ist->st->codec, AV_LOG_DEBUG,
1978 "Subtitle duration reduced from %d to %d%s\n",
1979 ist->prev_sub.subtitle.end_display_time, end,
1980 end <= 0 ? ", dropping it" : "");
1981 ist->prev_sub.subtitle.end_display_time = end;
1984 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1985 FFSWAP(int, ret, ist->prev_sub.ret);
1986 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1994 sub2video_update(ist, &subtitle);
1996 if (!subtitle.num_rects)
1999 ist->frames_decoded++;
2001 for (i = 0; i < nb_output_streams; i++) {
2002 OutputStream *ost = output_streams[i];
2004 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2005 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2008 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2012 avsubtitle_free(&subtitle);
2016 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2017 static int output_packet(InputStream *ist, const AVPacket *pkt)
2023 if (!ist->saw_first_ts) {
2024 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;
2026 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2027 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2028 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2030 ist->saw_first_ts = 1;
2033 if (ist->next_dts == AV_NOPTS_VALUE)
2034 ist->next_dts = ist->dts;
2035 if (ist->next_pts == AV_NOPTS_VALUE)
2036 ist->next_pts = ist->pts;
2040 av_init_packet(&avpkt);
2048 if (pkt->dts != AV_NOPTS_VALUE) {
2049 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2050 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2051 ist->next_pts = ist->pts = ist->dts;
2054 // while we have more to decode or while the decoder did output something on EOF
2055 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2059 ist->pts = ist->next_pts;
2060 ist->dts = ist->next_dts;
2062 if (avpkt.size && avpkt.size != pkt->size &&
2063 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2064 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2065 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2066 ist->showed_multi_packet_warning = 1;
2069 switch (ist->st->codec->codec_type) {
2070 case AVMEDIA_TYPE_AUDIO:
2071 ret = decode_audio (ist, &avpkt, &got_output);
2073 case AVMEDIA_TYPE_VIDEO:
2074 ret = decode_video (ist, &avpkt, &got_output);
2075 if (avpkt.duration) {
2076 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2077 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2078 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2079 duration = ((int64_t)AV_TIME_BASE *
2080 ist->st->codec->time_base.num * ticks) /
2081 ist->st->codec->time_base.den;
2085 if(ist->dts != AV_NOPTS_VALUE && duration) {
2086 ist->next_dts += duration;
2088 ist->next_dts = AV_NOPTS_VALUE;
2091 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2093 case AVMEDIA_TYPE_SUBTITLE:
2094 ret = transcode_subtitles(ist, &avpkt, &got_output);
2104 avpkt.pts= AV_NOPTS_VALUE;
2106 // touch data and size only if not EOF
2108 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2118 /* handle stream copy */
2119 if (!ist->decoding_needed) {
2120 ist->dts = ist->next_dts;
2121 switch (ist->st->codec->codec_type) {
2122 case AVMEDIA_TYPE_AUDIO:
2123 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2124 ist->st->codec->sample_rate;
2126 case AVMEDIA_TYPE_VIDEO:
2127 if (ist->framerate.num) {
2128 // TODO: Remove work-around for c99-to-c89 issue 7
2129 AVRational time_base_q = AV_TIME_BASE_Q;
2130 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2131 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2132 } else if (pkt->duration) {
2133 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2134 } else if(ist->st->codec->time_base.num != 0) {
2135 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2136 ist->next_dts += ((int64_t)AV_TIME_BASE *
2137 ist->st->codec->time_base.num * ticks) /
2138 ist->st->codec->time_base.den;
2142 ist->pts = ist->dts;
2143 ist->next_pts = ist->next_dts;
2145 for (i = 0; pkt && i < nb_output_streams; i++) {
2146 OutputStream *ost = output_streams[i];
2148 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2151 do_streamcopy(ist, ost, pkt);
2157 static void print_sdp(void)
2161 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2165 for (i = 0; i < nb_output_files; i++)
2166 avc[i] = output_files[i]->ctx;
2168 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2169 printf("SDP:\n%s\n", sdp);
2174 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2177 for (i = 0; hwaccels[i].name; i++)
2178 if (hwaccels[i].pix_fmt == pix_fmt)
2179 return &hwaccels[i];
2183 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2185 InputStream *ist = s->opaque;
2186 const enum AVPixelFormat *p;
2189 for (p = pix_fmts; *p != -1; p++) {
2190 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2191 const HWAccel *hwaccel;
2193 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2196 hwaccel = get_hwaccel(*p);
2198 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2199 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2202 ret = hwaccel->init(s);
2204 if (ist->hwaccel_id == hwaccel->id) {
2205 av_log(NULL, AV_LOG_FATAL,
2206 "%s hwaccel requested for input stream #%d:%d, "
2207 "but cannot be initialized.\n", hwaccel->name,
2208 ist->file_index, ist->st->index);
2213 ist->active_hwaccel_id = hwaccel->id;
2214 ist->hwaccel_pix_fmt = *p;
2221 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2223 InputStream *ist = s->opaque;
2225 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2226 return ist->hwaccel_get_buffer(s, frame, flags);
2228 return avcodec_default_get_buffer2(s, frame, flags);
2231 static int init_input_stream(int ist_index, char *error, int error_len)
2234 InputStream *ist = input_streams[ist_index];
2236 if (ist->decoding_needed) {
2237 AVCodec *codec = ist->dec;
2239 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2240 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2241 return AVERROR(EINVAL);
2244 ist->st->codec->opaque = ist;
2245 ist->st->codec->get_format = get_format;
2246 ist->st->codec->get_buffer2 = get_buffer;
2247 ist->st->codec->thread_safe_callbacks = 1;
2249 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2251 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2252 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2253 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->decoder_opts)) < 0) {
2254 if (ret == AVERROR_EXPERIMENTAL)
2255 abort_codec_experimental(codec, 0);
2257 snprintf(error, error_len,
2258 "Error while opening decoder for input stream "
2260 ist->file_index, ist->st->index, av_err2str(ret));
2263 assert_avoptions(ist->decoder_opts);
2266 ist->next_pts = AV_NOPTS_VALUE;
2267 ist->next_dts = AV_NOPTS_VALUE;
2272 static InputStream *get_input_stream(OutputStream *ost)
2274 if (ost->source_index >= 0)
2275 return input_streams[ost->source_index];
2279 static int compare_int64(const void *a, const void *b)
2281 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2282 return va < vb ? -1 : va > vb ? +1 : 0;
2285 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2286 AVCodecContext *avctx)
2289 int n = 1, i, size, index = 0;
2292 for (p = kf; *p; p++)
2296 pts = av_malloc_array(size, sizeof(*pts));
2298 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2303 for (i = 0; i < n; i++) {
2304 char *next = strchr(p, ',');
2309 if (!memcmp(p, "chapters", 8)) {
2311 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2314 if (avf->nb_chapters > INT_MAX - size ||
2315 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2317 av_log(NULL, AV_LOG_FATAL,
2318 "Could not allocate forced key frames array.\n");
2321 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2322 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2324 for (j = 0; j < avf->nb_chapters; j++) {
2325 AVChapter *c = avf->chapters[j];
2326 av_assert1(index < size);
2327 pts[index++] = av_rescale_q(c->start, c->time_base,
2328 avctx->time_base) + t;
2333 t = parse_time_or_die("force_key_frames", p, 1);
2334 av_assert1(index < size);
2335 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2342 av_assert0(index == size);
2343 qsort(pts, size, sizeof(*pts), compare_int64);
2344 ost->forced_kf_count = size;
2345 ost->forced_kf_pts = pts;
2348 static void report_new_stream(int input_index, AVPacket *pkt)
2350 InputFile *file = input_files[input_index];
2351 AVStream *st = file->ctx->streams[pkt->stream_index];
2353 if (pkt->stream_index < file->nb_streams_warn)
2355 av_log(file->ctx, AV_LOG_WARNING,
2356 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2357 av_get_media_type_string(st->codec->codec_type),
2358 input_index, pkt->stream_index,
2359 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2360 file->nb_streams_warn = pkt->stream_index + 1;
2363 static int transcode_init(void)
2365 int ret = 0, i, j, k;
2366 AVFormatContext *oc;
2372 for (i = 0; i < nb_filtergraphs; i++) {
2373 FilterGraph *fg = filtergraphs[i];
2374 for (j = 0; j < fg->nb_outputs; j++) {
2375 OutputFilter *ofilter = fg->outputs[j];
2376 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2378 if (fg->nb_inputs != 1)
2380 for (k = nb_input_streams-1; k >= 0 ; k--)
2381 if (fg->inputs[0]->ist == input_streams[k])
2383 ofilter->ost->source_index = k;
2387 /* init framerate emulation */
2388 for (i = 0; i < nb_input_files; i++) {
2389 InputFile *ifile = input_files[i];
2390 if (ifile->rate_emu)
2391 for (j = 0; j < ifile->nb_streams; j++)
2392 input_streams[j + ifile->ist_index]->start = av_gettime();
2395 /* output stream init */
2396 for (i = 0; i < nb_output_files; i++) {
2397 oc = output_files[i]->ctx;
2398 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2399 av_dump_format(oc, i, oc->filename, 1);
2400 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2401 return AVERROR(EINVAL);
2405 /* init complex filtergraphs */
2406 for (i = 0; i < nb_filtergraphs; i++)
2407 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2410 /* for each output stream, we compute the right encoding parameters */
2411 for (i = 0; i < nb_output_streams; i++) {
2412 AVCodecContext *enc_ctx;
2413 AVCodecContext *dec_ctx = NULL;
2414 ost = output_streams[i];
2415 oc = output_files[ost->file_index]->ctx;
2416 ist = get_input_stream(ost);
2418 if (ost->attachment_filename)
2421 enc_ctx = ost->st->codec;
2424 dec_ctx = ist->st->codec;
2426 ost->st->disposition = ist->st->disposition;
2427 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2428 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2430 for (j=0; j<oc->nb_streams; j++) {
2431 AVStream *st = oc->streams[j];
2432 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2435 if (j == oc->nb_streams)
2436 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2437 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2440 if (ost->stream_copy) {
2442 uint64_t extra_size;
2444 av_assert0(ist && !ost->filter);
2446 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2448 if (extra_size > INT_MAX) {
2449 return AVERROR(EINVAL);
2452 /* if stream_copy is selected, no need to decode or encode */
2453 enc_ctx->codec_id = dec_ctx->codec_id;
2454 enc_ctx->codec_type = dec_ctx->codec_type;
2456 if (!enc_ctx->codec_tag) {
2457 unsigned int codec_tag;
2458 if (!oc->oformat->codec_tag ||
2459 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2460 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2461 enc_ctx->codec_tag = dec_ctx->codec_tag;
2464 enc_ctx->bit_rate = dec_ctx->bit_rate;
2465 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2466 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2467 enc_ctx->field_order = dec_ctx->field_order;
2468 enc_ctx->extradata = av_mallocz(extra_size);
2469 if (!enc_ctx->extradata) {
2470 return AVERROR(ENOMEM);
2472 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2473 enc_ctx->extradata_size= dec_ctx->extradata_size;
2474 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2476 enc_ctx->time_base = ist->st->time_base;
2478 * Avi is a special case here because it supports variable fps but
2479 * having the fps and timebase differe significantly adds quite some
2482 if(!strcmp(oc->oformat->name, "avi")) {
2483 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2484 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2485 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2486 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2488 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2489 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2490 enc_ctx->ticks_per_frame = 2;
2491 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2492 && av_q2d(ist->st->time_base) < 1.0/500
2494 enc_ctx->time_base = dec_ctx->time_base;
2495 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2496 enc_ctx->time_base.den *= 2;
2497 enc_ctx->ticks_per_frame = 2;
2499 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2500 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2501 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2502 && strcmp(oc->oformat->name, "f4v")
2504 if( copy_tb<0 && dec_ctx->time_base.den
2505 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2506 && av_q2d(ist->st->time_base) < 1.0/500
2508 enc_ctx->time_base = dec_ctx->time_base;
2509 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2512 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2513 && dec_ctx->time_base.num < dec_ctx->time_base.den
2514 && dec_ctx->time_base.num > 0
2515 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2516 enc_ctx->time_base = dec_ctx->time_base;
2519 if (ist && !ost->frame_rate.num)
2520 ost->frame_rate = ist->framerate;
2521 if(ost->frame_rate.num)
2522 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2524 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2525 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2527 ost->parser = av_parser_init(enc_ctx->codec_id);
2529 switch (enc_ctx->codec_type) {
2530 case AVMEDIA_TYPE_AUDIO:
2531 if (audio_volume != 256) {
2532 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2535 enc_ctx->channel_layout = dec_ctx->channel_layout;
2536 enc_ctx->sample_rate = dec_ctx->sample_rate;
2537 enc_ctx->channels = dec_ctx->channels;
2538 enc_ctx->frame_size = dec_ctx->frame_size;
2539 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2540 enc_ctx->block_align = dec_ctx->block_align;
2541 enc_ctx->delay = dec_ctx->delay;
2542 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2543 enc_ctx->block_align= 0;
2544 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2545 enc_ctx->block_align= 0;
2547 case AVMEDIA_TYPE_VIDEO:
2548 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2549 enc_ctx->width = dec_ctx->width;
2550 enc_ctx->height = dec_ctx->height;
2551 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2552 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2554 av_mul_q(ost->frame_aspect_ratio,
2555 (AVRational){ enc_ctx->height, enc_ctx->width });
2556 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2557 "with stream copy may produce invalid files\n");
2559 else if (ist->st->sample_aspect_ratio.num)
2560 sar = ist->st->sample_aspect_ratio;
2562 sar = dec_ctx->sample_aspect_ratio;
2563 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2564 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2566 case AVMEDIA_TYPE_SUBTITLE:
2567 enc_ctx->width = dec_ctx->width;
2568 enc_ctx->height = dec_ctx->height;
2570 case AVMEDIA_TYPE_DATA:
2571 case AVMEDIA_TYPE_ATTACHMENT:
2578 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2580 /* should only happen when a default codec is not present. */
2581 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2582 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2583 ret = AVERROR(EINVAL);
2588 ist->decoding_needed++;
2589 ost->encoding_needed = 1;
2592 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2593 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2595 fg = init_simple_filtergraph(ist, ost);
2596 if (configure_filtergraph(fg)) {
2597 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2602 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2603 if (ost->filter && !ost->frame_rate.num)
2604 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2605 if (ist && !ost->frame_rate.num)
2606 ost->frame_rate = ist->framerate;
2607 if (ist && !ost->frame_rate.num)
2608 ost->frame_rate = ist->st->r_frame_rate;
2609 if (ist && !ost->frame_rate.num) {
2610 ost->frame_rate = (AVRational){25, 1};
2611 av_log(NULL, AV_LOG_WARNING,
2613 "about the input framerate is available. Falling "
2614 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2615 "if you want a different framerate.\n",
2616 ost->file_index, ost->index);
2618 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2619 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2620 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2621 ost->frame_rate = ost->enc->supported_framerates[idx];
2623 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2624 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2625 ost->frame_rate.num, ost->frame_rate.den, 65535);
2629 switch (enc_ctx->codec_type) {
2630 case AVMEDIA_TYPE_AUDIO:
2631 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2632 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2633 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2634 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2635 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2637 case AVMEDIA_TYPE_VIDEO:
2638 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2639 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2640 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2641 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2642 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2643 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2644 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2646 for (j = 0; j < ost->forced_kf_count; j++)
2647 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2649 enc_ctx->time_base);
2651 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2652 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2653 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2654 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2655 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2656 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2657 if (!strncmp(ost->enc->name, "libx264", 7) &&
2658 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2659 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2660 av_log(NULL, AV_LOG_WARNING,
2661 "No pixel format specified, %s for H.264 encoding chosen.\n"
2662 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2663 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2664 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2665 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2666 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2667 av_log(NULL, AV_LOG_WARNING,
2668 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2669 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2670 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2671 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2674 enc_ctx->width != dec_ctx->width ||
2675 enc_ctx->height != dec_ctx->height ||
2676 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2677 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2680 if (ost->forced_keyframes) {
2681 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2682 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2683 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2685 av_log(NULL, AV_LOG_ERROR,
2686 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2689 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2690 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2691 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2692 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2694 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2698 case AVMEDIA_TYPE_SUBTITLE:
2699 enc_ctx->time_base = (AVRational){1, 1000};
2700 if (!enc_ctx->width) {
2701 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2702 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2710 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2711 char logfilename[1024];
2714 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2715 ost->logfile_prefix ? ost->logfile_prefix :
2716 DEFAULT_PASS_LOGFILENAME_PREFIX,
2718 if (!strcmp(ost->enc->name, "libx264")) {
2719 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2721 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2723 size_t logbuffer_size;
2724 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2725 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2729 enc_ctx->stats_in = logbuffer;
2731 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2732 f = av_fopen_utf8(logfilename, "wb");
2734 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2735 logfilename, strerror(errno));
2745 /* open each encoder */
2746 for (i = 0; i < nb_output_streams; i++) {
2747 ost = output_streams[i];
2748 if (ost->encoding_needed) {
2749 AVCodec *codec = ost->enc;
2750 AVCodecContext *dec = NULL;
2752 if ((ist = get_input_stream(ost)))
2753 dec = ist->st->codec;
2754 if (dec && dec->subtitle_header) {
2755 /* ASS code assumes this buffer is null terminated so add extra byte. */
2756 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2757 if (!ost->st->codec->subtitle_header) {
2758 ret = AVERROR(ENOMEM);
2761 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2762 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2764 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2765 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2766 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->encoder_opts)) < 0) {
2767 if (ret == AVERROR_EXPERIMENTAL)
2768 abort_codec_experimental(codec, 1);
2769 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2770 ost->file_index, ost->index);
2773 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2774 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2775 av_buffersink_set_frame_size(ost->filter->filter,
2776 ost->st->codec->frame_size);
2777 assert_avoptions(ost->encoder_opts);
2778 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2779 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2780 " It takes bits/s as argument, not kbits/s\n");
2782 av_opt_set_dict(ost->st->codec, &ost->encoder_opts);
2786 /* init input streams */
2787 for (i = 0; i < nb_input_streams; i++)
2788 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2789 for (i = 0; i < nb_output_streams; i++) {
2790 ost = output_streams[i];
2791 avcodec_close(ost->st->codec);
2796 /* discard unused programs */
2797 for (i = 0; i < nb_input_files; i++) {
2798 InputFile *ifile = input_files[i];
2799 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2800 AVProgram *p = ifile->ctx->programs[j];
2801 int discard = AVDISCARD_ALL;
2803 for (k = 0; k < p->nb_stream_indexes; k++)
2804 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2805 discard = AVDISCARD_DEFAULT;
2808 p->discard = discard;
2812 /* open files and write file headers */
2813 for (i = 0; i < nb_output_files; i++) {
2814 oc = output_files[i]->ctx;
2815 oc->interrupt_callback = int_cb;
2816 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2817 snprintf(error, sizeof(error),
2818 "Could not write header for output file #%d "
2819 "(incorrect codec parameters ?): %s",
2820 i, av_err2str(ret));
2821 ret = AVERROR(EINVAL);
2824 // assert_avoptions(output_files[i]->opts);
2825 if (strcmp(oc->oformat->name, "rtp")) {
2831 /* dump the file output parameters - cannot be done before in case
2833 for (i = 0; i < nb_output_files; i++) {
2834 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2837 /* dump the stream mapping */
2838 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2839 for (i = 0; i < nb_input_streams; i++) {
2840 ist = input_streams[i];
2842 for (j = 0; j < ist->nb_filters; j++) {
2843 if (ist->filters[j]->graph->graph_desc) {
2844 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2845 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2846 ist->filters[j]->name);
2847 if (nb_filtergraphs > 1)
2848 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2849 av_log(NULL, AV_LOG_INFO, "\n");
2854 for (i = 0; i < nb_output_streams; i++) {
2855 ost = output_streams[i];
2857 if (ost->attachment_filename) {
2858 /* an attached file */
2859 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2860 ost->attachment_filename, ost->file_index, ost->index);
2864 if (ost->filter && ost->filter->graph->graph_desc) {
2865 /* output from a complex graph */
2866 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2867 if (nb_filtergraphs > 1)
2868 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2870 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2871 ost->index, ost->enc ? ost->enc->name : "?");
2875 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2876 input_streams[ost->source_index]->file_index,
2877 input_streams[ost->source_index]->st->index,
2880 if (ost->sync_ist != input_streams[ost->source_index])
2881 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2882 ost->sync_ist->file_index,
2883 ost->sync_ist->st->index);
2884 if (ost->stream_copy)
2885 av_log(NULL, AV_LOG_INFO, " (copy)");
2887 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2888 input_streams[ost->source_index]->dec->name : "?",
2889 ost->enc ? ost->enc->name : "?");
2890 av_log(NULL, AV_LOG_INFO, "\n");
2894 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2902 transcode_init_done = 1;
2907 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2908 static int need_output(void)
2912 for (i = 0; i < nb_output_streams; i++) {
2913 OutputStream *ost = output_streams[i];
2914 OutputFile *of = output_files[ost->file_index];
2915 AVFormatContext *os = output_files[ost->file_index]->ctx;
2917 if (ost->finished ||
2918 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2920 if (ost->frame_number >= ost->max_frames) {
2922 for (j = 0; j < of->ctx->nb_streams; j++)
2923 close_output_stream(output_streams[of->ost_index + j]);
2934 * Select the output stream to process.
2936 * @return selected output stream, or NULL if none available
2938 static OutputStream *choose_output(void)
2941 int64_t opts_min = INT64_MAX;
2942 OutputStream *ost_min = NULL;
2944 for (i = 0; i < nb_output_streams; i++) {
2945 OutputStream *ost = output_streams[i];
2946 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2948 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2956 static int check_keyboard_interaction(int64_t cur_time)
2959 static int64_t last_time;
2960 if (received_nb_signals)
2961 return AVERROR_EXIT;
2962 /* read_key() returns 0 on EOF */
2963 if(cur_time - last_time >= 100000 && !run_as_daemon){
2965 last_time = cur_time;
2969 return AVERROR_EXIT;
2970 if (key == '+') av_log_set_level(av_log_get_level()+10);
2971 if (key == '-') av_log_set_level(av_log_get_level()-10);
2972 if (key == 's') qp_hist ^= 1;
2975 do_hex_dump = do_pkt_dump = 0;
2976 } else if(do_pkt_dump){
2980 av_log_set_level(AV_LOG_DEBUG);
2982 if (key == 'c' || key == 'C'){
2983 char buf[4096], target[64], command[256], arg[256] = {0};
2986 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2988 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2993 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2994 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2995 target, time, command, arg);
2996 for (i = 0; i < nb_filtergraphs; i++) {
2997 FilterGraph *fg = filtergraphs[i];
3000 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3001 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3002 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3003 } else if (key == 'c') {
3004 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3005 ret = AVERROR_PATCHWELCOME;
3007 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3012 av_log(NULL, AV_LOG_ERROR,
3013 "Parse error, at least 3 arguments were expected, "
3014 "only %d given in string '%s'\n", n, buf);
3017 if (key == 'd' || key == 'D'){
3020 debug = input_streams[0]->st->codec->debug<<1;
3021 if(!debug) debug = 1;
3022 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3025 if(scanf("%d", &debug)!=1)
3026 fprintf(stderr,"error parsing debug value\n");
3027 for(i=0;i<nb_input_streams;i++) {
3028 input_streams[i]->st->codec->debug = debug;
3030 for(i=0;i<nb_output_streams;i++) {
3031 OutputStream *ost = output_streams[i];
3032 ost->st->codec->debug = debug;
3034 if(debug) av_log_set_level(AV_LOG_DEBUG);
3035 fprintf(stderr,"debug=%d\n", debug);
3038 fprintf(stderr, "key function\n"
3039 "? show this help\n"
3040 "+ increase verbosity\n"
3041 "- decrease verbosity\n"
3042 "c Send command to first matching filter supporting it\n"
3043 "C Send/Que command to all matching filters\n"
3044 "D cycle through available debug modes\n"
3045 "h dump packets/hex press to cycle through the 3 states\n"
3047 "s Show QP histogram\n"
3054 static void *input_thread(void *arg)
3059 while (!transcoding_finished && ret >= 0) {
3061 ret = av_read_frame(f->ctx, &pkt);
3063 if (ret == AVERROR(EAGAIN)) {
3070 pthread_mutex_lock(&f->fifo_lock);
3071 while (!av_fifo_space(f->fifo))
3072 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3074 av_dup_packet(&pkt);
3075 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
3076 pthread_cond_signal(&f->fifo_cond);
3078 pthread_mutex_unlock(&f->fifo_lock);
3081 pthread_mutex_lock(&f->fifo_lock);
3083 pthread_cond_signal(&f->fifo_cond);
3084 pthread_mutex_unlock(&f->fifo_lock);
3088 static void free_input_threads(void)
3092 if (nb_input_files == 1)
3095 transcoding_finished = 1;
3097 for (i = 0; i < nb_input_files; i++) {
3098 InputFile *f = input_files[i];
3101 if (!f->fifo || f->joined)
3104 pthread_mutex_lock(&f->fifo_lock);
3105 while (av_fifo_size(f->fifo)) {
3106 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3107 av_free_packet(&pkt);
3109 pthread_cond_signal(&f->fifo_cond);
3110 pthread_mutex_unlock(&f->fifo_lock);
3112 pthread_join(f->thread, NULL);
3115 while (av_fifo_size(f->fifo)) {
3116 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3117 av_free_packet(&pkt);
3119 av_fifo_freep(&f->fifo);
3123 static int init_input_threads(void)
3127 if (nb_input_files == 1)
3130 for (i = 0; i < nb_input_files; i++) {
3131 InputFile *f = input_files[i];
3133 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3134 return AVERROR(ENOMEM);
3136 if (f->ctx->pb ? !f->ctx->pb->seekable :
3137 strcmp(f->ctx->iformat->name, "lavfi"))
3138 f->non_blocking = 1;
3140 pthread_mutex_init(&f->fifo_lock, NULL);
3141 pthread_cond_init (&f->fifo_cond, NULL);
3143 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3144 return AVERROR(ret);
3149 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3153 pthread_mutex_lock(&f->fifo_lock);
3156 if (av_fifo_size(f->fifo)) {
3157 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3158 pthread_cond_signal(&f->fifo_cond);
3165 if (f->non_blocking) {
3166 ret = AVERROR(EAGAIN);
3169 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3173 pthread_mutex_unlock(&f->fifo_lock);
3179 static int get_input_packet(InputFile *f, AVPacket *pkt)
3183 for (i = 0; i < f->nb_streams; i++) {
3184 InputStream *ist = input_streams[f->ist_index + i];
3185 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3186 int64_t now = av_gettime() - ist->start;
3188 return AVERROR(EAGAIN);
3193 if (nb_input_files > 1)
3194 return get_input_packet_mt(f, pkt);
3196 return av_read_frame(f->ctx, pkt);
3199 static int got_eagain(void)
3202 for (i = 0; i < nb_output_streams; i++)
3203 if (output_streams[i]->unavailable)
3208 static void reset_eagain(void)
3211 for (i = 0; i < nb_input_files; i++)
3212 input_files[i]->eagain = 0;
3213 for (i = 0; i < nb_output_streams; i++)
3214 output_streams[i]->unavailable = 0;
3219 * - 0 -- one packet was read and processed
3220 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3221 * this function should be called again
3222 * - AVERROR_EOF -- this function should not be called again
3224 static int process_input(int file_index)
3226 InputFile *ifile = input_files[file_index];
3227 AVFormatContext *is;
3233 ret = get_input_packet(ifile, &pkt);
3235 if (ret == AVERROR(EAGAIN)) {
3240 if (ret != AVERROR_EOF) {
3241 print_error(is->filename, ret);
3245 ifile->eof_reached = 1;
3247 for (i = 0; i < ifile->nb_streams; i++) {
3248 ist = input_streams[ifile->ist_index + i];
3249 if (ist->decoding_needed)
3250 output_packet(ist, NULL);
3252 /* mark all outputs that don't go through lavfi as finished */
3253 for (j = 0; j < nb_output_streams; j++) {
3254 OutputStream *ost = output_streams[j];
3256 if (ost->source_index == ifile->ist_index + i &&
3257 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3258 close_output_stream(ost);
3262 return AVERROR(EAGAIN);
3268 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3269 is->streams[pkt.stream_index]);
3271 /* the following test is needed in case new streams appear
3272 dynamically in stream : we ignore them */
3273 if (pkt.stream_index >= ifile->nb_streams) {
3274 report_new_stream(file_index, &pkt);
3275 goto discard_packet;
3278 ist = input_streams[ifile->ist_index + pkt.stream_index];
3280 ist->data_size += pkt.size;
3284 goto discard_packet;
3287 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3288 "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",
3289 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3290 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3291 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3292 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3293 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3294 av_ts2str(input_files[ist->file_index]->ts_offset),
3295 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3298 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3299 int64_t stime, stime2;
3300 // Correcting starttime based on the enabled streams
3301 // 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.
3302 // so we instead do it here as part of discontinuity handling
3303 if ( ist->next_dts == AV_NOPTS_VALUE
3304 && ifile->ts_offset == -is->start_time
3305 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3306 int64_t new_start_time = INT64_MAX;
3307 for (i=0; i<is->nb_streams; i++) {
3308 AVStream *st = is->streams[i];
3309 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3311 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3313 if (new_start_time > is->start_time) {
3314 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3315 ifile->ts_offset = -new_start_time;
3319 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3320 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3321 ist->wrap_correction_done = 1;
3323 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3324 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3325 ist->wrap_correction_done = 0;
3327 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3328 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3329 ist->wrap_correction_done = 0;
3333 /* add the stream-global side data to the first packet */
3334 if (ist->nb_packets == 1)
3335 if (ist->st->nb_side_data)
3336 av_packet_split_side_data(&pkt);
3337 for (i = 0; i < ist->st->nb_side_data; i++) {
3338 AVPacketSideData *src_sd = &ist->st->side_data[i];
3341 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3344 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3348 memcpy(dst_data, src_sd->data, src_sd->size);
3351 if (pkt.dts != AV_NOPTS_VALUE)
3352 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3353 if (pkt.pts != AV_NOPTS_VALUE)
3354 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3356 if (pkt.pts != AV_NOPTS_VALUE)
3357 pkt.pts *= ist->ts_scale;
3358 if (pkt.dts != AV_NOPTS_VALUE)
3359 pkt.dts *= ist->ts_scale;
3361 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3362 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3363 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3364 int64_t delta = pkt_dts - ifile->last_ts;
3365 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3366 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3367 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3368 ifile->ts_offset -= delta;
3369 av_log(NULL, AV_LOG_DEBUG,
3370 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3371 delta, ifile->ts_offset);
3372 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3373 if (pkt.pts != AV_NOPTS_VALUE)
3374 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3378 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3380 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3381 int64_t delta = pkt_dts - ist->next_dts;
3382 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3383 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3384 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3385 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3386 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3387 ifile->ts_offset -= delta;
3388 av_log(NULL, AV_LOG_DEBUG,
3389 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3390 delta, ifile->ts_offset);
3391 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3392 if (pkt.pts != AV_NOPTS_VALUE)
3393 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3396 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3397 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3398 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3399 pkt.dts = AV_NOPTS_VALUE;
3401 if (pkt.pts != AV_NOPTS_VALUE){
3402 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3403 delta = pkt_pts - ist->next_dts;
3404 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3405 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3406 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3407 pkt.pts = AV_NOPTS_VALUE;
3413 if (pkt.dts != AV_NOPTS_VALUE)
3414 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3417 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",
3418 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3419 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3420 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3421 av_ts2str(input_files[ist->file_index]->ts_offset),
3422 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3425 sub2video_heartbeat(ist, pkt.pts);
3427 ret = output_packet(ist, &pkt);
3429 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3430 ist->file_index, ist->st->index, av_err2str(ret));
3436 av_free_packet(&pkt);
3442 * Perform a step of transcoding for the specified filter graph.
3444 * @param[in] graph filter graph to consider
3445 * @param[out] best_ist input stream where a frame would allow to continue
3446 * @return 0 for success, <0 for error
3448 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3451 int nb_requests, nb_requests_max = 0;
3452 InputFilter *ifilter;
3456 ret = avfilter_graph_request_oldest(graph->graph);
3458 return reap_filters();
3460 if (ret == AVERROR_EOF) {
3461 ret = reap_filters();
3462 for (i = 0; i < graph->nb_outputs; i++)
3463 close_output_stream(graph->outputs[i]->ost);
3466 if (ret != AVERROR(EAGAIN))
3469 for (i = 0; i < graph->nb_inputs; i++) {
3470 ifilter = graph->inputs[i];
3472 if (input_files[ist->file_index]->eagain ||
3473 input_files[ist->file_index]->eof_reached)
3475 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3476 if (nb_requests > nb_requests_max) {
3477 nb_requests_max = nb_requests;
3483 for (i = 0; i < graph->nb_outputs; i++)
3484 graph->outputs[i]->ost->unavailable = 1;
3490 * Run a single step of transcoding.
3492 * @return 0 for success, <0 for error
3494 static int transcode_step(void)
3500 ost = choose_output();
3507 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3512 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3517 av_assert0(ost->source_index >= 0);
3518 ist = input_streams[ost->source_index];
3521 ret = process_input(ist->file_index);
3522 if (ret == AVERROR(EAGAIN)) {
3523 if (input_files[ist->file_index]->eagain)
3524 ost->unavailable = 1;
3528 return ret == AVERROR_EOF ? 0 : ret;
3530 return reap_filters();
3534 * The following code is the main loop of the file converter
3536 static int transcode(void)
3539 AVFormatContext *os;
3542 int64_t timer_start;
3544 ret = transcode_init();
3548 if (stdin_interaction) {
3549 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3552 timer_start = av_gettime();
3555 if ((ret = init_input_threads()) < 0)
3559 while (!received_sigterm) {
3560 int64_t cur_time= av_gettime();
3562 /* if 'q' pressed, exits */
3563 if (stdin_interaction)
3564 if (check_keyboard_interaction(cur_time) < 0)
3567 /* check if there's any stream where output is still needed */
3568 if (!need_output()) {
3569 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3573 ret = transcode_step();
3575 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3578 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3582 /* dump report by using the output first video and audio streams */
3583 print_report(0, timer_start, cur_time);
3586 free_input_threads();
3589 /* at the end of stream, we must flush the decoder buffers */
3590 for (i = 0; i < nb_input_streams; i++) {
3591 ist = input_streams[i];
3592 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3593 output_packet(ist, NULL);
3600 /* write the trailer if needed and close file */
3601 for (i = 0; i < nb_output_files; i++) {
3602 os = output_files[i]->ctx;
3603 av_write_trailer(os);
3606 /* dump report by using the first video and audio streams */
3607 print_report(1, timer_start, av_gettime());
3609 /* close each encoder */
3610 for (i = 0; i < nb_output_streams; i++) {
3611 ost = output_streams[i];
3612 if (ost->encoding_needed) {
3613 av_freep(&ost->st->codec->stats_in);
3614 avcodec_close(ost->st->codec);
3618 /* close each decoder */
3619 for (i = 0; i < nb_input_streams; i++) {
3620 ist = input_streams[i];
3621 if (ist->decoding_needed) {
3622 avcodec_close(ist->st->codec);
3623 if (ist->hwaccel_uninit)
3624 ist->hwaccel_uninit(ist->st->codec);
3633 free_input_threads();
3636 if (output_streams) {
3637 for (i = 0; i < nb_output_streams; i++) {
3638 ost = output_streams[i];
3640 if (ost->stream_copy)
3641 av_freep(&ost->st->codec->extradata);
3643 fclose(ost->logfile);
3644 ost->logfile = NULL;
3646 av_freep(&ost->st->codec->subtitle_header);
3647 av_freep(&ost->forced_kf_pts);
3648 av_freep(&ost->apad);
3649 av_dict_free(&ost->encoder_opts);
3650 av_dict_free(&ost->swr_opts);
3651 av_dict_free(&ost->resample_opts);
3659 static int64_t getutime(void)
3662 struct rusage rusage;
3664 getrusage(RUSAGE_SELF, &rusage);
3665 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3666 #elif HAVE_GETPROCESSTIMES
3668 FILETIME c, e, k, u;
3669 proc = GetCurrentProcess();
3670 GetProcessTimes(proc, &c, &e, &k, &u);
3671 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3673 return av_gettime();
3677 static int64_t getmaxrss(void)
3679 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3680 struct rusage rusage;
3681 getrusage(RUSAGE_SELF, &rusage);
3682 return (int64_t)rusage.ru_maxrss * 1024;
3683 #elif HAVE_GETPROCESSMEMORYINFO
3685 PROCESS_MEMORY_COUNTERS memcounters;
3686 proc = GetCurrentProcess();
3687 memcounters.cb = sizeof(memcounters);
3688 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3689 return memcounters.PeakPagefileUsage;
3695 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3699 int main(int argc, char **argv)
3704 register_exit(ffmpeg_cleanup);
3706 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3708 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3709 parse_loglevel(argc, argv, options);
3711 if(argc>1 && !strcmp(argv[1], "-d")){
3713 av_log_set_callback(log_callback_null);
3718 avcodec_register_all();
3720 avdevice_register_all();
3722 avfilter_register_all();
3724 avformat_network_init();
3726 show_banner(argc, argv, options);
3730 /* parse options and open all input/output files */
3731 ret = ffmpeg_parse_options(argc, argv);
3735 if (nb_output_files <= 0 && nb_input_files == 0) {
3737 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3741 /* file converter / grab */
3742 if (nb_output_files <= 0) {
3743 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3747 // if (nb_input_files == 0) {
3748 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3752 current_time = ti = getutime();
3753 if (transcode() < 0)
3755 ti = getutime() - ti;
3757 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3759 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3760 decode_error_stat[0], decode_error_stat[1]);
3761 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3764 exit_program(received_nb_signals ? 255 : main_return_code);
3765 return main_return_code;