2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavformat/os_support.h"
64 #include "libavformat/ffm.h" // not public API
66 # include "libavfilter/avcodec.h"
67 # include "libavfilter/avfilter.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
73 #include <sys/types.h>
74 #include <sys/resource.h>
75 #elif HAVE_GETPROCESSTIMES
78 #if HAVE_GETPROCESSMEMORYINFO
84 #include <sys/select.h>
89 #include <sys/ioctl.h>
103 #include "cmdutils.h"
105 #include "libavutil/avassert.h"
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 static FILE *vstats_file;
112 const char *const forced_keyframes_const_names[] = {
121 static void do_video_stats(OutputStream *ost, int frame_size);
122 static int64_t getutime(void);
123 static int64_t getmaxrss(void);
125 static int run_as_daemon = 0;
126 static int64_t video_size = 0;
127 static int64_t audio_size = 0;
128 static int64_t subtitle_size = 0;
129 static int64_t extra_size = 0;
130 static int nb_frames_dup = 0;
131 static int nb_frames_drop = 0;
132 static int64_t decode_error_stat[2];
134 static int current_time;
135 AVIOContext *progress_avio = NULL;
137 static uint8_t *subtitle_out;
140 /* signal to input threads that they should exit; set by the main thread */
141 static int transcoding_finished;
144 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
146 InputStream **input_streams = NULL;
147 int nb_input_streams = 0;
148 InputFile **input_files = NULL;
149 int nb_input_files = 0;
151 OutputStream **output_streams = NULL;
152 int nb_output_streams = 0;
153 OutputFile **output_files = NULL;
154 int nb_output_files = 0;
156 FilterGraph **filtergraphs;
161 /* init terminal so that we can grab keys */
162 static struct termios oldtty;
163 static int restore_tty;
166 static void free_input_threads(void);
170 Convert subtitles to video with alpha to insert them in filter graphs.
171 This is a temporary solution until libavfilter gets real subtitles support.
174 static int sub2video_get_blank_frame(InputStream *ist)
177 AVFrame *frame = ist->sub2video.frame;
179 av_frame_unref(frame);
180 ist->sub2video.frame->width = ist->sub2video.w;
181 ist->sub2video.frame->height = ist->sub2video.h;
182 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
183 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
185 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
189 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
192 uint32_t *pal, *dst2;
196 if (r->type != SUBTITLE_BITMAP) {
197 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
200 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
201 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
205 dst += r->y * dst_linesize + r->x * 4;
206 src = r->pict.data[0];
207 pal = (uint32_t *)r->pict.data[1];
208 for (y = 0; y < r->h; y++) {
209 dst2 = (uint32_t *)dst;
211 for (x = 0; x < r->w; x++)
212 *(dst2++) = pal[*(src2++)];
214 src += r->pict.linesize[0];
218 static void sub2video_push_ref(InputStream *ist, int64_t pts)
220 AVFrame *frame = ist->sub2video.frame;
223 av_assert1(frame->data[0]);
224 ist->sub2video.last_pts = frame->pts = pts;
225 for (i = 0; i < ist->nb_filters; i++)
226 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
227 AV_BUFFERSRC_FLAG_KEEP_REF |
228 AV_BUFFERSRC_FLAG_PUSH);
231 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
233 int w = ist->sub2video.w, h = ist->sub2video.h;
234 AVFrame *frame = ist->sub2video.frame;
238 int64_t pts, end_pts;
243 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
244 AV_TIME_BASE_Q, ist->st->time_base);
245 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
246 AV_TIME_BASE_Q, ist->st->time_base);
247 num_rects = sub->num_rects;
249 pts = ist->sub2video.end_pts;
253 if (sub2video_get_blank_frame(ist) < 0) {
254 av_log(ist->st->codec, AV_LOG_ERROR,
255 "Impossible to get a blank canvas.\n");
258 dst = frame->data [0];
259 dst_linesize = frame->linesize[0];
260 for (i = 0; i < num_rects; i++)
261 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
262 sub2video_push_ref(ist, pts);
263 ist->sub2video.end_pts = end_pts;
266 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
268 InputFile *infile = input_files[ist->file_index];
272 /* When a frame is read from a file, examine all sub2video streams in
273 the same file and send the sub2video frame again. Otherwise, decoded
274 video frames could be accumulating in the filter graph while a filter
275 (possibly overlay) is desperately waiting for a subtitle frame. */
276 for (i = 0; i < infile->nb_streams; i++) {
277 InputStream *ist2 = input_streams[infile->ist_index + i];
278 if (!ist2->sub2video.frame)
280 /* subtitles seem to be usually muxed ahead of other streams;
281 if not, substracting a larger time here is necessary */
282 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
283 /* do not send the heartbeat frame if the subtitle is already ahead */
284 if (pts2 <= ist2->sub2video.last_pts)
286 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
287 sub2video_update(ist2, NULL);
288 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
289 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
291 sub2video_push_ref(ist2, pts2);
295 static void sub2video_flush(InputStream *ist)
299 for (i = 0; i < ist->nb_filters; i++)
300 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
303 /* end of sub2video hack */
307 av_log(NULL, AV_LOG_QUIET, "%s", "");
310 tcsetattr (0, TCSANOW, &oldtty);
314 static volatile int received_sigterm = 0;
315 static volatile int received_nb_signals = 0;
316 static int main_return_code = 0;
319 sigterm_handler(int sig)
321 received_sigterm = sig;
322 received_nb_signals++;
324 if(received_nb_signals > 3)
335 istty = isatty(0) && isatty(2);
337 if (istty && tcgetattr (0, &tty) == 0) {
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 avformat_network_deinit();
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
360 signal(SIGXCPU, sigterm_handler);
364 /* read a key without blocking */
365 static int read_key(void)
377 n = select(1, &rfds, NULL, NULL, &tv);
386 # if HAVE_PEEKNAMEDPIPE
388 static HANDLE input_handle;
391 input_handle = GetStdHandle(STD_INPUT_HANDLE);
392 is_pipe = !GetConsoleMode(input_handle, &dw);
395 if (stdin->_cnt > 0) {
400 /* When running under a GUI, you will end here. */
401 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
402 // input pipe may have been closed by the program that ran ffmpeg
420 static int decode_interrupt_cb(void *ctx)
422 return received_nb_signals > 1;
425 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
427 static void ffmpeg_cleanup(int ret)
432 int maxrss = getmaxrss() / 1024;
433 printf("bench: maxrss=%ikB\n", maxrss);
436 for (i = 0; i < nb_filtergraphs; i++) {
437 avfilter_graph_free(&filtergraphs[i]->graph);
438 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
439 av_freep(&filtergraphs[i]->inputs[j]->name);
440 av_freep(&filtergraphs[i]->inputs[j]);
442 av_freep(&filtergraphs[i]->inputs);
443 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
444 av_freep(&filtergraphs[i]->outputs[j]->name);
445 av_freep(&filtergraphs[i]->outputs[j]);
447 av_freep(&filtergraphs[i]->outputs);
448 av_freep(&filtergraphs[i]->graph_desc);
449 av_freep(&filtergraphs[i]);
451 av_freep(&filtergraphs);
453 av_freep(&subtitle_out);
456 for (i = 0; i < nb_output_files; i++) {
457 AVFormatContext *s = output_files[i]->ctx;
458 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
460 avformat_free_context(s);
461 av_dict_free(&output_files[i]->opts);
462 av_freep(&output_files[i]);
464 for (i = 0; i < nb_output_streams; i++) {
465 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
467 AVBitStreamFilterContext *next = bsfc->next;
468 av_bitstream_filter_close(bsfc);
471 output_streams[i]->bitstream_filters = NULL;
472 av_frame_free(&output_streams[i]->filtered_frame);
474 av_parser_close(output_streams[i]->parser);
476 av_freep(&output_streams[i]->forced_keyframes);
477 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
478 av_freep(&output_streams[i]->avfilter);
479 av_freep(&output_streams[i]->logfile_prefix);
480 av_freep(&output_streams[i]);
483 free_input_threads();
485 for (i = 0; i < nb_input_files; i++) {
486 avformat_close_input(&input_files[i]->ctx);
487 av_freep(&input_files[i]);
489 for (i = 0; i < nb_input_streams; i++) {
490 av_frame_free(&input_streams[i]->decoded_frame);
491 av_frame_free(&input_streams[i]->filter_frame);
492 av_dict_free(&input_streams[i]->opts);
493 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
494 av_frame_free(&input_streams[i]->sub2video.frame);
495 av_freep(&input_streams[i]->filters);
496 av_freep(&input_streams[i]->hwaccel_device);
497 av_freep(&input_streams[i]);
502 av_free(vstats_filename);
504 av_freep(&input_streams);
505 av_freep(&input_files);
506 av_freep(&output_streams);
507 av_freep(&output_files);
511 avformat_network_deinit();
513 if (received_sigterm) {
514 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
515 (int) received_sigterm);
520 void assert_avoptions(AVDictionary *m)
522 AVDictionaryEntry *t;
523 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
524 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
529 static void abort_codec_experimental(AVCodec *c, int encoder)
534 static void update_benchmark(const char *fmt, ...)
536 if (do_benchmark_all) {
537 int64_t t = getutime();
543 vsnprintf(buf, sizeof(buf), fmt, va);
545 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
551 static void close_all_output_streams(OutputStream *ost, int this_stream, int others)
554 for (i = 0; i < nb_output_streams; i++) {
555 OutputStream *ost2 = output_streams[i];
556 ost2->finished |= ost == ost2 ? this_stream : others;
560 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
562 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
563 AVCodecContext *avctx = ost->st->codec;
566 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
567 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
568 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
571 * Audio encoders may split the packets -- #frames in != #packets out.
572 * But there is no reordering, so we can limit the number of output packets
573 * by simply dropping them here.
574 * Counting encoded video frames needs to be done separately because of
575 * reordering, see do_video_out()
577 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
578 if (ost->frame_number >= ost->max_frames) {
586 AVPacket new_pkt = *pkt;
587 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
588 &new_pkt.data, &new_pkt.size,
589 pkt->data, pkt->size,
590 pkt->flags & AV_PKT_FLAG_KEY);
591 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
592 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
594 memcpy(t, new_pkt.data, new_pkt.size);
595 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
604 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
605 av_buffer_default_free, NULL, 0);
609 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
610 bsfc->filter->name, pkt->stream_index,
611 avctx->codec ? avctx->codec->name : "copy");
621 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
622 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
623 pkt->dts != AV_NOPTS_VALUE &&
624 ost->last_mux_dts != AV_NOPTS_VALUE) {
625 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
626 if (pkt->dts < max) {
627 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
628 av_log(s, loglevel, "Non-monotonous DTS in output stream "
629 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
630 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
632 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
635 av_log(s, loglevel, "changing to %"PRId64". This may result "
636 "in incorrect timestamps in the output file.\n",
638 if(pkt->pts >= pkt->dts)
639 pkt->pts = FFMAX(pkt->pts, max);
643 ost->last_mux_dts = pkt->dts;
645 pkt->stream_index = ost->index;
648 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
649 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
650 av_get_media_type_string(ost->st->codec->codec_type),
651 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
652 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
657 ret = av_interleaved_write_frame(s, pkt);
659 print_error("av_interleaved_write_frame()", ret);
660 main_return_code = 1;
661 close_all_output_streams(ost, 3, 1);
665 static void close_output_stream(OutputStream *ost)
667 OutputFile *of = output_files[ost->file_index];
671 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
672 of->recording_time = FFMIN(of->recording_time, end);
676 static int check_recording_time(OutputStream *ost)
678 OutputFile *of = output_files[ost->file_index];
680 if (of->recording_time != INT64_MAX &&
681 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
682 AV_TIME_BASE_Q) >= 0) {
683 close_output_stream(ost);
689 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
692 AVCodecContext *enc = ost->st->codec;
696 av_init_packet(&pkt);
700 if (!check_recording_time(ost))
703 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
704 frame->pts = ost->sync_opts;
705 ost->sync_opts = frame->pts + frame->nb_samples;
707 av_assert0(pkt.size || !pkt.data);
708 update_benchmark(NULL);
709 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
710 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
713 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
716 if (pkt.pts != AV_NOPTS_VALUE)
717 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
718 if (pkt.dts != AV_NOPTS_VALUE)
719 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
720 if (pkt.duration > 0)
721 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
724 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
725 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
726 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
727 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
730 audio_size += pkt.size;
731 write_frame(s, &pkt, ost);
733 av_free_packet(&pkt);
737 static void do_subtitle_out(AVFormatContext *s,
742 int subtitle_out_max_size = 1024 * 1024;
743 int subtitle_out_size, nb, i;
748 if (sub->pts == AV_NOPTS_VALUE) {
749 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
755 enc = ost->st->codec;
758 subtitle_out = av_malloc(subtitle_out_max_size);
761 /* Note: DVB subtitle need one packet to draw them and one other
762 packet to clear them */
763 /* XXX: signal it in the codec context ? */
764 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
769 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
771 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
772 pts -= output_files[ost->file_index]->start_time;
773 for (i = 0; i < nb; i++) {
774 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
775 if (!check_recording_time(ost))
779 // start_display_time is required to be 0
780 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
781 sub->end_display_time -= sub->start_display_time;
782 sub->start_display_time = 0;
785 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
786 subtitle_out_max_size, sub);
787 if (subtitle_out_size < 0) {
788 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
792 av_init_packet(&pkt);
793 pkt.data = subtitle_out;
794 pkt.size = subtitle_out_size;
795 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
796 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
797 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
798 /* XXX: the pts correction is handled here. Maybe handling
799 it in the codec would be better */
801 pkt.pts += 90 * sub->start_display_time;
803 pkt.pts += 90 * sub->end_display_time;
805 subtitle_size += pkt.size;
806 write_frame(s, &pkt, ost);
810 static void do_video_out(AVFormatContext *s,
814 int ret, format_video_sync;
816 AVCodecContext *enc = ost->st->codec;
818 double sync_ipts, delta;
821 InputStream *ist = NULL;
823 if (ost->source_index >= 0)
824 ist = input_streams[ost->source_index];
826 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
827 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
829 sync_ipts = in_picture->pts;
830 delta = sync_ipts - ost->sync_opts + duration;
832 /* by default, we output a single frame */
835 format_video_sync = video_sync_method;
836 if (format_video_sync == VSYNC_AUTO) {
837 if(!strcmp(s->oformat->name, "avi")) {
838 format_video_sync = VSYNC_VFR;
840 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
842 && format_video_sync == VSYNC_CFR
843 && input_files[ist->file_index]->ctx->nb_streams == 1
844 && input_files[ist->file_index]->input_ts_offset == 0) {
845 format_video_sync = VSYNC_VSCFR;
847 if (format_video_sync == VSYNC_CFR && copy_ts) {
848 format_video_sync = VSYNC_VSCFR;
852 switch (format_video_sync) {
854 if (ost->frame_number == 0 && delta - duration >= 0.5) {
855 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
857 ost->sync_opts = lrint(sync_ipts);
860 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
863 else if (delta > 1.1)
864 nb_frames = lrintf(delta);
869 else if (delta > 0.6)
870 ost->sync_opts = lrint(sync_ipts);
873 case VSYNC_PASSTHROUGH:
874 ost->sync_opts = lrint(sync_ipts);
880 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
881 if (nb_frames == 0) {
883 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
885 } else if (nb_frames > 1) {
886 if (nb_frames > dts_error_threshold * 30) {
887 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
891 nb_frames_dup += nb_frames - 1;
892 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
895 /* duplicates frame if needed */
896 for (i = 0; i < nb_frames; i++) {
897 av_init_packet(&pkt);
901 in_picture->pts = ost->sync_opts;
904 if (!check_recording_time(ost))
906 if (ost->frame_number >= ost->max_frames)
910 if (s->oformat->flags & AVFMT_RAWPICTURE &&
911 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
912 /* raw pictures are written as AVPicture structure to
913 avoid any copies. We support temporarily the older
915 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
916 enc->coded_frame->top_field_first = in_picture->top_field_first;
917 if (enc->coded_frame->interlaced_frame)
918 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
920 enc->field_order = AV_FIELD_PROGRESSIVE;
921 pkt.data = (uint8_t *)in_picture;
922 pkt.size = sizeof(AVPicture);
923 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
924 pkt.flags |= AV_PKT_FLAG_KEY;
926 video_size += pkt.size;
927 write_frame(s, &pkt, ost);
929 int got_packet, forced_keyframe = 0;
932 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
933 ost->top_field_first >= 0)
934 in_picture->top_field_first = !!ost->top_field_first;
936 if (in_picture->interlaced_frame) {
937 if (enc->codec->id == AV_CODEC_ID_MJPEG)
938 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
940 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
942 enc->field_order = AV_FIELD_PROGRESSIVE;
944 in_picture->quality = ost->st->codec->global_quality;
945 if (!enc->me_threshold)
946 in_picture->pict_type = 0;
948 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
949 in_picture->pts * av_q2d(enc->time_base) : NAN;
950 if (ost->forced_kf_index < ost->forced_kf_count &&
951 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
952 ost->forced_kf_index++;
954 } else if (ost->forced_keyframes_pexpr) {
956 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
957 res = av_expr_eval(ost->forced_keyframes_pexpr,
958 ost->forced_keyframes_expr_const_values, NULL);
959 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
960 ost->forced_keyframes_expr_const_values[FKF_N],
961 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
962 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
963 ost->forced_keyframes_expr_const_values[FKF_T],
964 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
968 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
969 ost->forced_keyframes_expr_const_values[FKF_N];
970 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
971 ost->forced_keyframes_expr_const_values[FKF_T];
972 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
975 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
977 if (forced_keyframe) {
978 in_picture->pict_type = AV_PICTURE_TYPE_I;
979 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
982 update_benchmark(NULL);
983 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
984 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
986 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
991 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
992 pkt.pts = ost->sync_opts;
994 if (pkt.pts != AV_NOPTS_VALUE)
995 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
996 if (pkt.dts != AV_NOPTS_VALUE)
997 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1000 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1001 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1002 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1003 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1006 frame_size = pkt.size;
1007 video_size += pkt.size;
1008 write_frame(s, &pkt, ost);
1009 av_free_packet(&pkt);
1011 /* if two pass, output log */
1012 if (ost->logfile && enc->stats_out) {
1013 fprintf(ost->logfile, "%s", enc->stats_out);
1019 * For video, number of frames in == number of packets out.
1020 * But there may be reordering, so we can't throw away frames on encoder
1021 * flush, we need to limit them here, before they go into encoder.
1023 ost->frame_number++;
1025 if (vstats_filename && frame_size)
1026 do_video_stats(ost, frame_size);
1030 static double psnr(double d)
1032 return -10.0 * log(d) / log(10.0);
1035 static void do_video_stats(OutputStream *ost, int frame_size)
1037 AVCodecContext *enc;
1039 double ti1, bitrate, avg_bitrate;
1041 /* this is executed just the first time do_video_stats is called */
1043 vstats_file = fopen(vstats_filename, "w");
1050 enc = ost->st->codec;
1051 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1052 frame_number = ost->st->nb_frames;
1053 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1054 if (enc->flags&CODEC_FLAG_PSNR)
1055 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1057 fprintf(vstats_file,"f_size= %6d ", frame_size);
1058 /* compute pts value */
1059 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1063 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1064 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1065 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1066 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1067 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1072 * Get and encode new output from any of the filtergraphs, without causing
1075 * @return 0 for success, <0 for severe errors
1077 static int reap_filters(void)
1079 AVFrame *filtered_frame = NULL;
1083 /* Reap all buffers present in the buffer sinks */
1084 for (i = 0; i < nb_output_streams; i++) {
1085 OutputStream *ost = output_streams[i];
1086 OutputFile *of = output_files[ost->file_index];
1092 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1093 return AVERROR(ENOMEM);
1095 filtered_frame = ost->filtered_frame;
1098 ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame,
1099 AV_BUFFERSINK_FLAG_NO_REQUEST);
1101 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1102 av_log(NULL, AV_LOG_WARNING,
1103 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1107 if (ost->finished) {
1108 av_frame_unref(filtered_frame);
1111 frame_pts = AV_NOPTS_VALUE;
1112 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1113 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1114 filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts,
1115 ost->filter->filter->inputs[0]->time_base,
1116 ost->st->codec->time_base) -
1117 av_rescale_q(start_time,
1119 ost->st->codec->time_base);
1121 //if (ost->source_index >= 0)
1122 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1125 switch (ost->filter->filter->inputs[0]->type) {
1126 case AVMEDIA_TYPE_VIDEO:
1127 filtered_frame->pts = frame_pts;
1128 if (!ost->frame_aspect_ratio.num)
1129 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1131 do_video_out(of->ctx, ost, filtered_frame);
1133 case AVMEDIA_TYPE_AUDIO:
1134 filtered_frame->pts = frame_pts;
1135 if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1136 ost->st->codec->channels != av_frame_get_channels(filtered_frame)) {
1137 av_log(NULL, AV_LOG_ERROR,
1138 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1141 do_audio_out(of->ctx, ost, filtered_frame);
1144 // TODO support subtitle filters
1148 av_frame_unref(filtered_frame);
1155 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1158 AVBPrint buf_script;
1160 AVFormatContext *oc;
1162 AVCodecContext *enc;
1163 int frame_number, vid, i;
1165 int64_t pts = INT64_MIN;
1166 static int64_t last_time = -1;
1167 static int qp_histogram[52];
1168 int hours, mins, secs, us;
1170 if (!print_stats && !is_last_report && !progress_avio)
1173 if (!is_last_report) {
1174 if (last_time == -1) {
1175 last_time = cur_time;
1178 if ((cur_time - last_time) < 500000)
1180 last_time = cur_time;
1184 oc = output_files[0]->ctx;
1186 total_size = avio_size(oc->pb);
1187 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1188 total_size = avio_tell(oc->pb);
1192 av_bprint_init(&buf_script, 0, 1);
1193 for (i = 0; i < nb_output_streams; i++) {
1195 ost = output_streams[i];
1196 enc = ost->st->codec;
1197 if (!ost->stream_copy && enc->coded_frame)
1198 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1199 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1200 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1201 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1202 ost->file_index, ost->index, q);
1204 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1205 float fps, t = (cur_time-timer_start) / 1000000.0;
1207 frame_number = ost->frame_number;
1208 fps = t > 1 ? frame_number / t : 0;
1209 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1210 frame_number, fps < 9.95, fps, q);
1211 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1212 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1213 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1214 ost->file_index, ost->index, q);
1216 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1220 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1222 for (j = 0; j < 32; j++)
1223 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1225 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1227 double error, error_sum = 0;
1228 double scale, scale_sum = 0;
1230 char type[3] = { 'Y','U','V' };
1231 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1232 for (j = 0; j < 3; j++) {
1233 if (is_last_report) {
1234 error = enc->error[j];
1235 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1237 error = enc->coded_frame->error[j];
1238 scale = enc->width * enc->height * 255.0 * 255.0;
1244 p = psnr(error / scale);
1245 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1246 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1247 ost->file_index, ost->index, type[j] | 32, p);
1249 p = psnr(error_sum / scale_sum);
1250 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1251 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1252 ost->file_index, ost->index, p);
1256 /* compute min output value */
1257 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1258 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1259 ost->st->time_base, AV_TIME_BASE_Q));
1262 secs = pts / AV_TIME_BASE;
1263 us = pts % AV_TIME_BASE;
1269 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1271 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1273 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1274 "size=%8.0fkB time=", total_size / 1024.0);
1275 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1276 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1277 (100 * us) / AV_TIME_BASE);
1278 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1280 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1281 "bitrate=%6.1fkbits/s", bitrate);
1282 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1283 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1284 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1285 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1286 hours, mins, secs, us);
1288 if (nb_frames_dup || nb_frames_drop)
1289 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1290 nb_frames_dup, nb_frames_drop);
1291 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1292 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1294 if (print_stats || is_last_report) {
1295 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1296 fprintf(stderr, "%s \r", buf);
1298 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1303 if (progress_avio) {
1304 av_bprintf(&buf_script, "progress=%s\n",
1305 is_last_report ? "end" : "continue");
1306 avio_write(progress_avio, buf_script.str,
1307 FFMIN(buf_script.len, buf_script.size - 1));
1308 avio_flush(progress_avio);
1309 av_bprint_finalize(&buf_script, NULL);
1310 if (is_last_report) {
1311 avio_close(progress_avio);
1312 progress_avio = NULL;
1316 if (is_last_report) {
1317 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1318 av_log(NULL, AV_LOG_INFO, "\n");
1319 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1320 video_size / 1024.0,
1321 audio_size / 1024.0,
1322 subtitle_size / 1024.0,
1323 extra_size / 1024.0,
1324 100.0 * (total_size - raw) / raw
1326 if(video_size + audio_size + subtitle_size + extra_size == 0){
1327 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1332 static void flush_encoders(void)
1336 for (i = 0; i < nb_output_streams; i++) {
1337 OutputStream *ost = output_streams[i];
1338 AVCodecContext *enc = ost->st->codec;
1339 AVFormatContext *os = output_files[ost->file_index]->ctx;
1340 int stop_encoding = 0;
1342 if (!ost->encoding_needed)
1345 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1347 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1351 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1355 switch (ost->st->codec->codec_type) {
1356 case AVMEDIA_TYPE_AUDIO:
1357 encode = avcodec_encode_audio2;
1361 case AVMEDIA_TYPE_VIDEO:
1362 encode = avcodec_encode_video2;
1373 av_init_packet(&pkt);
1377 update_benchmark(NULL);
1378 ret = encode(enc, &pkt, NULL, &got_packet);
1379 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1381 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1385 if (ost->logfile && enc->stats_out) {
1386 fprintf(ost->logfile, "%s", enc->stats_out);
1392 if (ost->finished > 1) {
1393 av_free_packet(&pkt);
1396 if (pkt.pts != AV_NOPTS_VALUE)
1397 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1398 if (pkt.dts != AV_NOPTS_VALUE)
1399 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1400 if (pkt.duration > 0)
1401 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1402 write_frame(os, &pkt, ost);
1403 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1404 do_video_stats(ost, pkt.size);
1415 * Check whether a packet from ist should be written into ost at this time
1417 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1419 OutputFile *of = output_files[ost->file_index];
1420 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1422 if (ost->source_index != ist_index)
1428 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1434 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1436 OutputFile *of = output_files[ost->file_index];
1437 InputFile *f = input_files [ist->file_index];
1438 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1439 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1440 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1444 av_init_packet(&opkt);
1446 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1447 !ost->copy_initial_nonkeyframes)
1450 if (pkt->pts == AV_NOPTS_VALUE) {
1451 if (!ost->frame_number && ist->pts < start_time &&
1452 !ost->copy_prior_start)
1455 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1456 !ost->copy_prior_start)
1460 if (of->recording_time != INT64_MAX &&
1461 ist->pts >= of->recording_time + start_time) {
1462 close_output_stream(ost);
1466 if (f->recording_time != INT64_MAX) {
1467 start_time = f->ctx->start_time;
1468 if (f->start_time != AV_NOPTS_VALUE)
1469 start_time += f->start_time;
1470 if (ist->pts >= f->recording_time + start_time) {
1471 close_output_stream(ost);
1476 /* force the input stream PTS */
1477 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1478 audio_size += pkt->size;
1479 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1480 video_size += pkt->size;
1482 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1483 subtitle_size += pkt->size;
1486 if (pkt->pts != AV_NOPTS_VALUE)
1487 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1489 opkt.pts = AV_NOPTS_VALUE;
1491 if (pkt->dts == AV_NOPTS_VALUE)
1492 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1494 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1495 opkt.dts -= ost_tb_start_time;
1497 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1498 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1500 duration = ist->st->codec->frame_size;
1501 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1502 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1503 ost->st->time_base) - ost_tb_start_time;
1506 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1507 opkt.flags = pkt->flags;
1509 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1510 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1511 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1512 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1513 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1515 if (av_parser_change(ost->parser, ost->st->codec,
1516 &opkt.data, &opkt.size,
1517 pkt->data, pkt->size,
1518 pkt->flags & AV_PKT_FLAG_KEY)) {
1519 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1524 opkt.data = pkt->data;
1525 opkt.size = pkt->size;
1527 av_copy_packet_side_data(&opkt, pkt);
1529 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1530 /* store AVPicture in AVPacket, as expected by the output format */
1531 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1532 opkt.data = (uint8_t *)&pict;
1533 opkt.size = sizeof(AVPicture);
1534 opkt.flags |= AV_PKT_FLAG_KEY;
1537 write_frame(of->ctx, &opkt, ost);
1538 ost->st->codec->frame_number++;
1541 int guess_input_channel_layout(InputStream *ist)
1543 AVCodecContext *dec = ist->st->codec;
1545 if (!dec->channel_layout) {
1546 char layout_name[256];
1548 if (dec->channels > ist->guess_layout_max)
1550 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1551 if (!dec->channel_layout)
1553 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1554 dec->channels, dec->channel_layout);
1555 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1556 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1561 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1563 AVFrame *decoded_frame, *f;
1564 AVCodecContext *avctx = ist->st->codec;
1565 int i, ret, err = 0, resample_changed;
1566 AVRational decoded_frame_tb;
1568 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1569 return AVERROR(ENOMEM);
1570 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1571 return AVERROR(ENOMEM);
1572 decoded_frame = ist->decoded_frame;
1574 update_benchmark(NULL);
1575 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1576 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1578 if (ret >= 0 && avctx->sample_rate <= 0) {
1579 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1580 ret = AVERROR_INVALIDDATA;
1583 if (*got_output || ret<0 || pkt->size)
1584 decode_error_stat[ret<0] ++;
1586 if (!*got_output || ret < 0) {
1588 for (i = 0; i < ist->nb_filters; i++)
1590 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1592 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1599 /* increment next_dts to use for the case where the input stream does not
1600 have timestamps or there are multiple frames in the packet */
1601 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1603 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1607 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1608 ist->resample_channels != avctx->channels ||
1609 ist->resample_channel_layout != decoded_frame->channel_layout ||
1610 ist->resample_sample_rate != decoded_frame->sample_rate;
1611 if (resample_changed) {
1612 char layout1[64], layout2[64];
1614 if (!guess_input_channel_layout(ist)) {
1615 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1616 "layout for Input Stream #%d.%d\n", ist->file_index,
1620 decoded_frame->channel_layout = avctx->channel_layout;
1622 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1623 ist->resample_channel_layout);
1624 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1625 decoded_frame->channel_layout);
1627 av_log(NULL, AV_LOG_INFO,
1628 "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",
1629 ist->file_index, ist->st->index,
1630 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1631 ist->resample_channels, layout1,
1632 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1633 avctx->channels, layout2);
1635 ist->resample_sample_fmt = decoded_frame->format;
1636 ist->resample_sample_rate = decoded_frame->sample_rate;
1637 ist->resample_channel_layout = decoded_frame->channel_layout;
1638 ist->resample_channels = avctx->channels;
1640 for (i = 0; i < nb_filtergraphs; i++)
1641 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1642 FilterGraph *fg = filtergraphs[i];
1644 if (configure_filtergraph(fg) < 0) {
1645 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1648 for (j = 0; j < fg->nb_outputs; j++) {
1649 OutputStream *ost = fg->outputs[j]->ost;
1650 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1651 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1652 av_buffersink_set_frame_size(ost->filter->filter,
1653 ost->st->codec->frame_size);
1658 /* if the decoder provides a pts, use it instead of the last packet pts.
1659 the decoder could be delaying output by a packet or more. */
1660 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1661 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1662 decoded_frame_tb = avctx->time_base;
1663 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1664 decoded_frame->pts = decoded_frame->pkt_pts;
1665 pkt->pts = AV_NOPTS_VALUE;
1666 decoded_frame_tb = ist->st->time_base;
1667 } else if (pkt->pts != AV_NOPTS_VALUE) {
1668 decoded_frame->pts = pkt->pts;
1669 pkt->pts = AV_NOPTS_VALUE;
1670 decoded_frame_tb = ist->st->time_base;
1672 decoded_frame->pts = ist->dts;
1673 decoded_frame_tb = AV_TIME_BASE_Q;
1675 if (decoded_frame->pts != AV_NOPTS_VALUE)
1676 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1677 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1678 (AVRational){1, ist->st->codec->sample_rate});
1679 for (i = 0; i < ist->nb_filters; i++) {
1680 if (i < ist->nb_filters - 1) {
1681 f = ist->filter_frame;
1682 err = av_frame_ref(f, decoded_frame);
1687 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1688 AV_BUFFERSRC_FLAG_PUSH);
1689 if (err == AVERROR_EOF)
1690 err = 0; /* ignore */
1694 decoded_frame->pts = AV_NOPTS_VALUE;
1696 av_frame_unref(ist->filter_frame);
1697 av_frame_unref(decoded_frame);
1698 return err < 0 ? err : ret;
1701 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1703 AVFrame *decoded_frame, *f;
1704 int i, ret = 0, err = 0, resample_changed;
1705 int64_t best_effort_timestamp;
1706 AVRational *frame_sample_aspect;
1708 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1709 return AVERROR(ENOMEM);
1710 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1711 return AVERROR(ENOMEM);
1712 decoded_frame = ist->decoded_frame;
1713 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1715 update_benchmark(NULL);
1716 ret = avcodec_decode_video2(ist->st->codec,
1717 decoded_frame, got_output, pkt);
1718 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1720 if (*got_output || ret<0 || pkt->size)
1721 decode_error_stat[ret<0] ++;
1723 if (!*got_output || ret < 0) {
1725 for (i = 0; i < ist->nb_filters; i++)
1727 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1729 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1735 if(ist->top_field_first>=0)
1736 decoded_frame->top_field_first = ist->top_field_first;
1738 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1739 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1743 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1745 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1746 if(best_effort_timestamp != AV_NOPTS_VALUE)
1747 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1750 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1751 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1752 ist->st->index, av_ts2str(decoded_frame->pts),
1753 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1754 best_effort_timestamp,
1755 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1756 decoded_frame->key_frame, decoded_frame->pict_type);
1761 if (ist->st->sample_aspect_ratio.num)
1762 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1764 resample_changed = ist->resample_width != decoded_frame->width ||
1765 ist->resample_height != decoded_frame->height ||
1766 ist->resample_pix_fmt != decoded_frame->format;
1767 if (resample_changed) {
1768 av_log(NULL, AV_LOG_INFO,
1769 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1770 ist->file_index, ist->st->index,
1771 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1772 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1774 ist->resample_width = decoded_frame->width;
1775 ist->resample_height = decoded_frame->height;
1776 ist->resample_pix_fmt = decoded_frame->format;
1778 for (i = 0; i < nb_filtergraphs; i++) {
1779 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1780 configure_filtergraph(filtergraphs[i]) < 0) {
1781 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1787 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1788 for (i = 0; i < ist->nb_filters; i++) {
1789 if (!frame_sample_aspect->num)
1790 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1792 if (i < ist->nb_filters - 1) {
1793 f = ist->filter_frame;
1794 err = av_frame_ref(f, decoded_frame);
1799 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1800 if (ret == AVERROR_EOF) {
1801 ret = 0; /* ignore */
1802 } else if (ret < 0) {
1803 av_log(NULL, AV_LOG_FATAL,
1804 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1810 av_frame_unref(ist->filter_frame);
1811 av_frame_unref(decoded_frame);
1812 return err < 0 ? err : ret;
1815 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1817 AVSubtitle subtitle;
1818 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1819 &subtitle, got_output, pkt);
1821 if (*got_output || ret<0 || pkt->size)
1822 decode_error_stat[ret<0] ++;
1824 if (ret < 0 || !*got_output) {
1826 sub2video_flush(ist);
1830 if (ist->fix_sub_duration) {
1832 if (ist->prev_sub.got_output) {
1833 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1834 1000, AV_TIME_BASE);
1835 if (end < ist->prev_sub.subtitle.end_display_time) {
1836 av_log(ist->st->codec, AV_LOG_DEBUG,
1837 "Subtitle duration reduced from %d to %d%s\n",
1838 ist->prev_sub.subtitle.end_display_time, end,
1839 end <= 0 ? ", dropping it" : "");
1840 ist->prev_sub.subtitle.end_display_time = end;
1843 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1844 FFSWAP(int, ret, ist->prev_sub.ret);
1845 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1853 sub2video_update(ist, &subtitle);
1855 if (!subtitle.num_rects)
1858 for (i = 0; i < nb_output_streams; i++) {
1859 OutputStream *ost = output_streams[i];
1861 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1864 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1868 avsubtitle_free(&subtitle);
1872 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1873 static int output_packet(InputStream *ist, const AVPacket *pkt)
1879 if (!ist->saw_first_ts) {
1880 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;
1882 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1883 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1884 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1886 ist->saw_first_ts = 1;
1889 if (ist->next_dts == AV_NOPTS_VALUE)
1890 ist->next_dts = ist->dts;
1891 if (ist->next_pts == AV_NOPTS_VALUE)
1892 ist->next_pts = ist->pts;
1896 av_init_packet(&avpkt);
1904 if (pkt->dts != AV_NOPTS_VALUE) {
1905 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1906 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1907 ist->next_pts = ist->pts = ist->dts;
1910 // while we have more to decode or while the decoder did output something on EOF
1911 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1915 ist->pts = ist->next_pts;
1916 ist->dts = ist->next_dts;
1918 if (avpkt.size && avpkt.size != pkt->size) {
1919 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1920 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1921 ist->showed_multi_packet_warning = 1;
1924 switch (ist->st->codec->codec_type) {
1925 case AVMEDIA_TYPE_AUDIO:
1926 ret = decode_audio (ist, &avpkt, &got_output);
1928 case AVMEDIA_TYPE_VIDEO:
1929 ret = decode_video (ist, &avpkt, &got_output);
1930 if (avpkt.duration) {
1931 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1932 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1933 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1934 duration = ((int64_t)AV_TIME_BASE *
1935 ist->st->codec->time_base.num * ticks) /
1936 ist->st->codec->time_base.den;
1940 if(ist->dts != AV_NOPTS_VALUE && duration) {
1941 ist->next_dts += duration;
1943 ist->next_dts = AV_NOPTS_VALUE;
1946 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1948 case AVMEDIA_TYPE_SUBTITLE:
1949 ret = transcode_subtitles(ist, &avpkt, &got_output);
1959 avpkt.pts= AV_NOPTS_VALUE;
1961 // touch data and size only if not EOF
1963 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1973 /* handle stream copy */
1974 if (!ist->decoding_needed) {
1975 ist->dts = ist->next_dts;
1976 switch (ist->st->codec->codec_type) {
1977 case AVMEDIA_TYPE_AUDIO:
1978 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1979 ist->st->codec->sample_rate;
1981 case AVMEDIA_TYPE_VIDEO:
1982 if (ist->framerate.num) {
1983 // TODO: Remove work-around for c99-to-c89 issue 7
1984 AVRational time_base_q = AV_TIME_BASE_Q;
1985 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
1986 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
1987 } else if (pkt->duration) {
1988 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1989 } else if(ist->st->codec->time_base.num != 0) {
1990 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1991 ist->next_dts += ((int64_t)AV_TIME_BASE *
1992 ist->st->codec->time_base.num * ticks) /
1993 ist->st->codec->time_base.den;
1997 ist->pts = ist->dts;
1998 ist->next_pts = ist->next_dts;
2000 for (i = 0; pkt && i < nb_output_streams; i++) {
2001 OutputStream *ost = output_streams[i];
2003 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2006 do_streamcopy(ist, ost, pkt);
2012 static void print_sdp(void)
2016 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2020 for (i = 0; i < nb_output_files; i++)
2021 avc[i] = output_files[i]->ctx;
2023 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2024 printf("SDP:\n%s\n", sdp);
2029 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2032 for (i = 0; hwaccels[i].name; i++)
2033 if (hwaccels[i].pix_fmt == pix_fmt)
2034 return &hwaccels[i];
2038 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2040 InputStream *ist = s->opaque;
2041 const enum AVPixelFormat *p;
2044 for (p = pix_fmts; *p != -1; p++) {
2045 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2046 const HWAccel *hwaccel;
2048 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2051 hwaccel = get_hwaccel(*p);
2053 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2054 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2057 ret = hwaccel->init(s);
2059 if (ist->hwaccel_id == hwaccel->id) {
2060 av_log(NULL, AV_LOG_FATAL,
2061 "%s hwaccel requested for input stream #%d:%d, "
2062 "but cannot be initialized.\n", hwaccel->name,
2063 ist->file_index, ist->st->index);
2068 ist->active_hwaccel_id = hwaccel->id;
2069 ist->hwaccel_pix_fmt = *p;
2076 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2078 InputStream *ist = s->opaque;
2080 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2081 return ist->hwaccel_get_buffer(s, frame, flags);
2083 return avcodec_default_get_buffer2(s, frame, flags);
2086 static int init_input_stream(int ist_index, char *error, int error_len)
2089 InputStream *ist = input_streams[ist_index];
2091 if (ist->decoding_needed) {
2092 AVCodec *codec = ist->dec;
2094 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2095 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2096 return AVERROR(EINVAL);
2099 ist->st->codec->opaque = ist;
2100 ist->st->codec->get_format = get_format;
2101 ist->st->codec->get_buffer2 = get_buffer;
2102 ist->st->codec->thread_safe_callbacks = 1;
2104 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2106 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2107 av_dict_set(&ist->opts, "threads", "auto", 0);
2108 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
2110 if (ret == AVERROR_EXPERIMENTAL)
2111 abort_codec_experimental(codec, 0);
2113 av_strerror(ret, errbuf, sizeof(errbuf));
2115 snprintf(error, error_len,
2116 "Error while opening decoder for input stream "
2118 ist->file_index, ist->st->index, errbuf);
2121 assert_avoptions(ist->opts);
2124 ist->next_pts = AV_NOPTS_VALUE;
2125 ist->next_dts = AV_NOPTS_VALUE;
2131 static InputStream *get_input_stream(OutputStream *ost)
2133 if (ost->source_index >= 0)
2134 return input_streams[ost->source_index];
2138 static int compare_int64(const void *a, const void *b)
2140 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2141 return va < vb ? -1 : va > vb ? +1 : 0;
2144 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2145 AVCodecContext *avctx)
2148 int n = 1, i, size, index = 0;
2151 for (p = kf; *p; p++)
2155 pts = av_malloc(sizeof(*pts) * size);
2157 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2162 for (i = 0; i < n; i++) {
2163 char *next = strchr(p, ',');
2168 if (!memcmp(p, "chapters", 8)) {
2170 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2173 if (avf->nb_chapters > INT_MAX - size ||
2174 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2176 av_log(NULL, AV_LOG_FATAL,
2177 "Could not allocate forced key frames array.\n");
2180 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2181 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2183 for (j = 0; j < avf->nb_chapters; j++) {
2184 AVChapter *c = avf->chapters[j];
2185 av_assert1(index < size);
2186 pts[index++] = av_rescale_q(c->start, c->time_base,
2187 avctx->time_base) + t;
2192 t = parse_time_or_die("force_key_frames", p, 1);
2193 av_assert1(index < size);
2194 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2201 av_assert0(index == size);
2202 qsort(pts, size, sizeof(*pts), compare_int64);
2203 ost->forced_kf_count = size;
2204 ost->forced_kf_pts = pts;
2207 static void report_new_stream(int input_index, AVPacket *pkt)
2209 InputFile *file = input_files[input_index];
2210 AVStream *st = file->ctx->streams[pkt->stream_index];
2212 if (pkt->stream_index < file->nb_streams_warn)
2214 av_log(file->ctx, AV_LOG_WARNING,
2215 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2216 av_get_media_type_string(st->codec->codec_type),
2217 input_index, pkt->stream_index,
2218 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2219 file->nb_streams_warn = pkt->stream_index + 1;
2222 static int transcode_init(void)
2224 int ret = 0, i, j, k;
2225 AVFormatContext *oc;
2226 AVCodecContext *codec;
2232 for (i = 0; i < nb_filtergraphs; i++) {
2233 FilterGraph *fg = filtergraphs[i];
2234 for (j = 0; j < fg->nb_outputs; j++) {
2235 OutputFilter *ofilter = fg->outputs[j];
2236 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2238 if (fg->nb_inputs != 1)
2240 for (k = nb_input_streams-1; k >= 0 ; k--)
2241 if (fg->inputs[0]->ist == input_streams[k])
2243 ofilter->ost->source_index = k;
2247 /* init framerate emulation */
2248 for (i = 0; i < nb_input_files; i++) {
2249 InputFile *ifile = input_files[i];
2250 if (ifile->rate_emu)
2251 for (j = 0; j < ifile->nb_streams; j++)
2252 input_streams[j + ifile->ist_index]->start = av_gettime();
2255 /* output stream init */
2256 for (i = 0; i < nb_output_files; i++) {
2257 oc = output_files[i]->ctx;
2258 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2259 av_dump_format(oc, i, oc->filename, 1);
2260 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2261 return AVERROR(EINVAL);
2265 /* init complex filtergraphs */
2266 for (i = 0; i < nb_filtergraphs; i++)
2267 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2270 /* for each output stream, we compute the right encoding parameters */
2271 for (i = 0; i < nb_output_streams; i++) {
2272 AVCodecContext *icodec = NULL;
2273 ost = output_streams[i];
2274 oc = output_files[ost->file_index]->ctx;
2275 ist = get_input_stream(ost);
2277 if (ost->attachment_filename)
2280 codec = ost->st->codec;
2283 icodec = ist->st->codec;
2285 ost->st->disposition = ist->st->disposition;
2286 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2287 codec->chroma_sample_location = icodec->chroma_sample_location;
2289 for (j=0; j<oc->nb_streams; j++) {
2290 AVStream *st = oc->streams[j];
2291 if (st != ost->st && st->codec->codec_type == codec->codec_type)
2294 if (j == oc->nb_streams)
2295 if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
2296 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2299 if (ost->stream_copy) {
2301 uint64_t extra_size;
2303 av_assert0(ist && !ost->filter);
2305 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2307 if (extra_size > INT_MAX) {
2308 return AVERROR(EINVAL);
2311 /* if stream_copy is selected, no need to decode or encode */
2312 codec->codec_id = icodec->codec_id;
2313 codec->codec_type = icodec->codec_type;
2315 if (!codec->codec_tag) {
2316 unsigned int codec_tag;
2317 if (!oc->oformat->codec_tag ||
2318 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2319 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2320 codec->codec_tag = icodec->codec_tag;
2323 codec->bit_rate = icodec->bit_rate;
2324 codec->rc_max_rate = icodec->rc_max_rate;
2325 codec->rc_buffer_size = icodec->rc_buffer_size;
2326 codec->field_order = icodec->field_order;
2327 codec->extradata = av_mallocz(extra_size);
2328 if (!codec->extradata) {
2329 return AVERROR(ENOMEM);
2331 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2332 codec->extradata_size= icodec->extradata_size;
2333 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2335 codec->time_base = ist->st->time_base;
2337 * Avi is a special case here because it supports variable fps but
2338 * having the fps and timebase differe significantly adds quite some
2341 if(!strcmp(oc->oformat->name, "avi")) {
2342 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2343 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2344 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2345 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2347 codec->time_base.num = ist->st->r_frame_rate.den;
2348 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2349 codec->ticks_per_frame = 2;
2350 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2351 && av_q2d(ist->st->time_base) < 1.0/500
2353 codec->time_base = icodec->time_base;
2354 codec->time_base.num *= icodec->ticks_per_frame;
2355 codec->time_base.den *= 2;
2356 codec->ticks_per_frame = 2;
2358 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2359 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2360 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2361 && strcmp(oc->oformat->name, "f4v")
2363 if( copy_tb<0 && icodec->time_base.den
2364 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2365 && av_q2d(ist->st->time_base) < 1.0/500
2367 codec->time_base = icodec->time_base;
2368 codec->time_base.num *= icodec->ticks_per_frame;
2371 if ( codec->codec_tag == AV_RL32("tmcd")
2372 && icodec->time_base.num < icodec->time_base.den
2373 && icodec->time_base.num > 0
2374 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2375 codec->time_base = icodec->time_base;
2378 if (ist && !ost->frame_rate.num)
2379 ost->frame_rate = ist->framerate;
2380 if(ost->frame_rate.num)
2381 codec->time_base = av_inv_q(ost->frame_rate);
2383 av_reduce(&codec->time_base.num, &codec->time_base.den,
2384 codec->time_base.num, codec->time_base.den, INT_MAX);
2386 ost->parser = av_parser_init(codec->codec_id);
2388 switch (codec->codec_type) {
2389 case AVMEDIA_TYPE_AUDIO:
2390 if (audio_volume != 256) {
2391 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2394 codec->channel_layout = icodec->channel_layout;
2395 codec->sample_rate = icodec->sample_rate;
2396 codec->channels = icodec->channels;
2397 codec->frame_size = icodec->frame_size;
2398 codec->audio_service_type = icodec->audio_service_type;
2399 codec->block_align = icodec->block_align;
2400 codec->delay = icodec->delay;
2401 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2402 codec->block_align= 0;
2403 if(codec->codec_id == AV_CODEC_ID_AC3)
2404 codec->block_align= 0;
2406 case AVMEDIA_TYPE_VIDEO:
2407 codec->pix_fmt = icodec->pix_fmt;
2408 codec->width = icodec->width;
2409 codec->height = icodec->height;
2410 codec->has_b_frames = icodec->has_b_frames;
2411 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2413 av_mul_q(ost->frame_aspect_ratio,
2414 (AVRational){ codec->height, codec->width });
2415 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2416 "with stream copy may produce invalid files\n");
2418 else if (ist->st->sample_aspect_ratio.num)
2419 sar = ist->st->sample_aspect_ratio;
2421 sar = icodec->sample_aspect_ratio;
2422 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
2423 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2425 case AVMEDIA_TYPE_SUBTITLE:
2426 codec->width = icodec->width;
2427 codec->height = icodec->height;
2429 case AVMEDIA_TYPE_DATA:
2430 case AVMEDIA_TYPE_ATTACHMENT:
2437 ost->enc = avcodec_find_encoder(codec->codec_id);
2439 /* should only happen when a default codec is not present. */
2440 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2441 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2442 ret = AVERROR(EINVAL);
2447 ist->decoding_needed++;
2448 ost->encoding_needed = 1;
2451 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2452 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2454 fg = init_simple_filtergraph(ist, ost);
2455 if (configure_filtergraph(fg)) {
2456 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2461 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2462 if (ost->filter && !ost->frame_rate.num)
2463 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2464 if (ist && !ost->frame_rate.num)
2465 ost->frame_rate = ist->framerate;
2466 if (ist && !ost->frame_rate.num)
2467 ost->frame_rate = ist->st->r_frame_rate;
2468 if (ist && !ost->frame_rate.num) {
2469 ost->frame_rate = (AVRational){25, 1};
2470 av_log(NULL, AV_LOG_WARNING,
2472 "about the input framerate is available. Falling "
2473 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2474 "if you want a different framerate.\n",
2475 ost->file_index, ost->index);
2477 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2478 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2479 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2480 ost->frame_rate = ost->enc->supported_framerates[idx];
2484 switch (codec->codec_type) {
2485 case AVMEDIA_TYPE_AUDIO:
2486 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2487 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2488 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2489 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2490 codec->time_base = (AVRational){ 1, codec->sample_rate };
2492 case AVMEDIA_TYPE_VIDEO:
2493 codec->time_base = av_inv_q(ost->frame_rate);
2494 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2495 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2496 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2497 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2498 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2499 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2501 for (j = 0; j < ost->forced_kf_count; j++)
2502 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2506 codec->width = ost->filter->filter->inputs[0]->w;
2507 codec->height = ost->filter->filter->inputs[0]->h;
2508 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2509 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2510 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2511 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2512 if (!strncmp(ost->enc->name, "libx264", 7) &&
2513 codec->pix_fmt == AV_PIX_FMT_NONE &&
2514 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2515 av_log(NULL, AV_LOG_WARNING,
2516 "No pixel format specified, %s for H.264 encoding chosen.\n"
2517 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2518 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2519 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2520 codec->pix_fmt == AV_PIX_FMT_NONE &&
2521 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2522 av_log(NULL, AV_LOG_WARNING,
2523 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2524 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2525 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2526 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2529 codec->width != icodec->width ||
2530 codec->height != icodec->height ||
2531 codec->pix_fmt != icodec->pix_fmt) {
2532 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2535 if (ost->forced_keyframes) {
2536 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2537 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2538 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2540 av_log(NULL, AV_LOG_ERROR,
2541 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2544 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2545 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2546 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2547 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2549 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2553 case AVMEDIA_TYPE_SUBTITLE:
2554 codec->time_base = (AVRational){1, 1000};
2555 if (!codec->width) {
2556 codec->width = input_streams[ost->source_index]->st->codec->width;
2557 codec->height = input_streams[ost->source_index]->st->codec->height;
2565 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2566 char logfilename[1024];
2569 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2570 ost->logfile_prefix ? ost->logfile_prefix :
2571 DEFAULT_PASS_LOGFILENAME_PREFIX,
2573 if (!strcmp(ost->enc->name, "libx264")) {
2574 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2576 if (codec->flags & CODEC_FLAG_PASS2) {
2578 size_t logbuffer_size;
2579 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2580 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2584 codec->stats_in = logbuffer;
2586 if (codec->flags & CODEC_FLAG_PASS1) {
2587 f = av_fopen_utf8(logfilename, "wb");
2589 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2590 logfilename, strerror(errno));
2600 /* open each encoder */
2601 for (i = 0; i < nb_output_streams; i++) {
2602 ost = output_streams[i];
2603 if (ost->encoding_needed) {
2604 AVCodec *codec = ost->enc;
2605 AVCodecContext *dec = NULL;
2607 if ((ist = get_input_stream(ost)))
2608 dec = ist->st->codec;
2609 if (dec && dec->subtitle_header) {
2610 /* ASS code assumes this buffer is null terminated so add extra byte. */
2611 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2612 if (!ost->st->codec->subtitle_header) {
2613 ret = AVERROR(ENOMEM);
2616 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2617 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2619 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2620 av_dict_set(&ost->opts, "threads", "auto", 0);
2621 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2622 if (ret == AVERROR_EXPERIMENTAL)
2623 abort_codec_experimental(codec, 1);
2624 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2625 ost->file_index, ost->index);
2628 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2629 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2630 av_buffersink_set_frame_size(ost->filter->filter,
2631 ost->st->codec->frame_size);
2632 assert_avoptions(ost->opts);
2633 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2634 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2635 " It takes bits/s as argument, not kbits/s\n");
2636 extra_size += ost->st->codec->extradata_size;
2638 av_opt_set_dict(ost->st->codec, &ost->opts);
2642 /* init input streams */
2643 for (i = 0; i < nb_input_streams; i++)
2644 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2645 for (i = 0; i < nb_output_streams; i++) {
2646 ost = output_streams[i];
2647 avcodec_close(ost->st->codec);
2652 /* discard unused programs */
2653 for (i = 0; i < nb_input_files; i++) {
2654 InputFile *ifile = input_files[i];
2655 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2656 AVProgram *p = ifile->ctx->programs[j];
2657 int discard = AVDISCARD_ALL;
2659 for (k = 0; k < p->nb_stream_indexes; k++)
2660 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2661 discard = AVDISCARD_DEFAULT;
2664 p->discard = discard;
2668 /* open files and write file headers */
2669 for (i = 0; i < nb_output_files; i++) {
2670 oc = output_files[i]->ctx;
2671 oc->interrupt_callback = int_cb;
2672 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2674 av_strerror(ret, errbuf, sizeof(errbuf));
2675 snprintf(error, sizeof(error),
2676 "Could not write header for output file #%d "
2677 "(incorrect codec parameters ?): %s",
2679 ret = AVERROR(EINVAL);
2682 // assert_avoptions(output_files[i]->opts);
2683 if (strcmp(oc->oformat->name, "rtp")) {
2689 /* dump the file output parameters - cannot be done before in case
2691 for (i = 0; i < nb_output_files; i++) {
2692 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2695 /* dump the stream mapping */
2696 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2697 for (i = 0; i < nb_input_streams; i++) {
2698 ist = input_streams[i];
2700 for (j = 0; j < ist->nb_filters; j++) {
2701 if (ist->filters[j]->graph->graph_desc) {
2702 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2703 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2704 ist->filters[j]->name);
2705 if (nb_filtergraphs > 1)
2706 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2707 av_log(NULL, AV_LOG_INFO, "\n");
2712 for (i = 0; i < nb_output_streams; i++) {
2713 ost = output_streams[i];
2715 if (ost->attachment_filename) {
2716 /* an attached file */
2717 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2718 ost->attachment_filename, ost->file_index, ost->index);
2722 if (ost->filter && ost->filter->graph->graph_desc) {
2723 /* output from a complex graph */
2724 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2725 if (nb_filtergraphs > 1)
2726 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2728 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2729 ost->index, ost->enc ? ost->enc->name : "?");
2733 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2734 input_streams[ost->source_index]->file_index,
2735 input_streams[ost->source_index]->st->index,
2738 if (ost->sync_ist != input_streams[ost->source_index])
2739 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2740 ost->sync_ist->file_index,
2741 ost->sync_ist->st->index);
2742 if (ost->stream_copy)
2743 av_log(NULL, AV_LOG_INFO, " (copy)");
2745 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2746 input_streams[ost->source_index]->dec->name : "?",
2747 ost->enc ? ost->enc->name : "?");
2748 av_log(NULL, AV_LOG_INFO, "\n");
2752 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2763 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2764 static int need_output(void)
2768 for (i = 0; i < nb_output_streams; i++) {
2769 OutputStream *ost = output_streams[i];
2770 OutputFile *of = output_files[ost->file_index];
2771 AVFormatContext *os = output_files[ost->file_index]->ctx;
2773 if (ost->finished ||
2774 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2776 if (ost->frame_number >= ost->max_frames) {
2778 for (j = 0; j < of->ctx->nb_streams; j++)
2779 close_output_stream(output_streams[of->ost_index + j]);
2790 * Select the output stream to process.
2792 * @return selected output stream, or NULL if none available
2794 static OutputStream *choose_output(void)
2797 int64_t opts_min = INT64_MAX;
2798 OutputStream *ost_min = NULL;
2800 for (i = 0; i < nb_output_streams; i++) {
2801 OutputStream *ost = output_streams[i];
2802 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2804 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2812 static int check_keyboard_interaction(int64_t cur_time)
2815 static int64_t last_time;
2816 if (received_nb_signals)
2817 return AVERROR_EXIT;
2818 /* read_key() returns 0 on EOF */
2819 if(cur_time - last_time >= 100000 && !run_as_daemon){
2821 last_time = cur_time;
2825 return AVERROR_EXIT;
2826 if (key == '+') av_log_set_level(av_log_get_level()+10);
2827 if (key == '-') av_log_set_level(av_log_get_level()-10);
2828 if (key == 's') qp_hist ^= 1;
2831 do_hex_dump = do_pkt_dump = 0;
2832 } else if(do_pkt_dump){
2836 av_log_set_level(AV_LOG_DEBUG);
2838 if (key == 'c' || key == 'C'){
2839 char buf[4096], target[64], command[256], arg[256] = {0};
2842 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2844 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2849 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2850 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2851 target, time, command, arg);
2852 for (i = 0; i < nb_filtergraphs; i++) {
2853 FilterGraph *fg = filtergraphs[i];
2856 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2857 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2858 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
2859 } else if (key == 'c') {
2860 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
2861 ret = AVERROR_PATCHWELCOME;
2863 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2868 av_log(NULL, AV_LOG_ERROR,
2869 "Parse error, at least 3 arguments were expected, "
2870 "only %d given in string '%s'\n", n, buf);
2873 if (key == 'd' || key == 'D'){
2876 debug = input_streams[0]->st->codec->debug<<1;
2877 if(!debug) debug = 1;
2878 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2881 if(scanf("%d", &debug)!=1)
2882 fprintf(stderr,"error parsing debug value\n");
2883 for(i=0;i<nb_input_streams;i++) {
2884 input_streams[i]->st->codec->debug = debug;
2886 for(i=0;i<nb_output_streams;i++) {
2887 OutputStream *ost = output_streams[i];
2888 ost->st->codec->debug = debug;
2890 if(debug) av_log_set_level(AV_LOG_DEBUG);
2891 fprintf(stderr,"debug=%d\n", debug);
2894 fprintf(stderr, "key function\n"
2895 "? show this help\n"
2896 "+ increase verbosity\n"
2897 "- decrease verbosity\n"
2898 "c Send command to first matching filter supporting it\n"
2899 "C Send/Que command to all matching filters\n"
2900 "D cycle through available debug modes\n"
2901 "h dump packets/hex press to cycle through the 3 states\n"
2903 "s Show QP histogram\n"
2910 static void *input_thread(void *arg)
2915 while (!transcoding_finished && ret >= 0) {
2917 ret = av_read_frame(f->ctx, &pkt);
2919 if (ret == AVERROR(EAGAIN)) {
2926 pthread_mutex_lock(&f->fifo_lock);
2927 while (!av_fifo_space(f->fifo))
2928 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2930 av_dup_packet(&pkt);
2931 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2933 pthread_mutex_unlock(&f->fifo_lock);
2940 static void free_input_threads(void)
2944 if (nb_input_files == 1)
2947 transcoding_finished = 1;
2949 for (i = 0; i < nb_input_files; i++) {
2950 InputFile *f = input_files[i];
2953 if (!f->fifo || f->joined)
2956 pthread_mutex_lock(&f->fifo_lock);
2957 while (av_fifo_size(f->fifo)) {
2958 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2959 av_free_packet(&pkt);
2961 pthread_cond_signal(&f->fifo_cond);
2962 pthread_mutex_unlock(&f->fifo_lock);
2964 pthread_join(f->thread, NULL);
2967 while (av_fifo_size(f->fifo)) {
2968 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2969 av_free_packet(&pkt);
2971 av_fifo_free(f->fifo);
2975 static int init_input_threads(void)
2979 if (nb_input_files == 1)
2982 for (i = 0; i < nb_input_files; i++) {
2983 InputFile *f = input_files[i];
2985 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2986 return AVERROR(ENOMEM);
2988 pthread_mutex_init(&f->fifo_lock, NULL);
2989 pthread_cond_init (&f->fifo_cond, NULL);
2991 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2992 return AVERROR(ret);
2997 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3001 pthread_mutex_lock(&f->fifo_lock);
3003 if (av_fifo_size(f->fifo)) {
3004 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3005 pthread_cond_signal(&f->fifo_cond);
3010 ret = AVERROR(EAGAIN);
3013 pthread_mutex_unlock(&f->fifo_lock);
3019 static int get_input_packet(InputFile *f, AVPacket *pkt)
3023 for (i = 0; i < f->nb_streams; i++) {
3024 InputStream *ist = input_streams[f->ist_index + i];
3025 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3026 int64_t now = av_gettime() - ist->start;
3028 return AVERROR(EAGAIN);
3033 if (nb_input_files > 1)
3034 return get_input_packet_mt(f, pkt);
3036 return av_read_frame(f->ctx, pkt);
3039 static int got_eagain(void)
3042 for (i = 0; i < nb_output_streams; i++)
3043 if (output_streams[i]->unavailable)
3048 static void reset_eagain(void)
3051 for (i = 0; i < nb_input_files; i++)
3052 input_files[i]->eagain = 0;
3053 for (i = 0; i < nb_output_streams; i++)
3054 output_streams[i]->unavailable = 0;
3059 * - 0 -- one packet was read and processed
3060 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3061 * this function should be called again
3062 * - AVERROR_EOF -- this function should not be called again
3064 static int process_input(int file_index)
3066 InputFile *ifile = input_files[file_index];
3067 AVFormatContext *is;
3073 ret = get_input_packet(ifile, &pkt);
3075 if (ret == AVERROR(EAGAIN)) {
3080 if (ret != AVERROR_EOF) {
3081 print_error(is->filename, ret);
3085 ifile->eof_reached = 1;
3087 for (i = 0; i < ifile->nb_streams; i++) {
3088 ist = input_streams[ifile->ist_index + i];
3089 if (ist->decoding_needed)
3090 output_packet(ist, NULL);
3092 /* mark all outputs that don't go through lavfi as finished */
3093 for (j = 0; j < nb_output_streams; j++) {
3094 OutputStream *ost = output_streams[j];
3096 if (ost->source_index == ifile->ist_index + i &&
3097 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3098 close_output_stream(ost);
3102 return AVERROR(EAGAIN);
3108 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3109 is->streams[pkt.stream_index]);
3111 /* the following test is needed in case new streams appear
3112 dynamically in stream : we ignore them */
3113 if (pkt.stream_index >= ifile->nb_streams) {
3114 report_new_stream(file_index, &pkt);
3115 goto discard_packet;
3118 ist = input_streams[ifile->ist_index + pkt.stream_index];
3120 goto discard_packet;
3123 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3124 "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",
3125 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3126 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3127 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3128 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3129 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3130 av_ts2str(input_files[ist->file_index]->ts_offset),
3131 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3134 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3135 int64_t stime, stime2;
3136 // Correcting starttime based on the enabled streams
3137 // 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.
3138 // so we instead do it here as part of discontinuity handling
3139 if ( ist->next_dts == AV_NOPTS_VALUE
3140 && ifile->ts_offset == -is->start_time
3141 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3142 int64_t new_start_time = INT64_MAX;
3143 for (i=0; i<is->nb_streams; i++) {
3144 AVStream *st = is->streams[i];
3145 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3147 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3149 if (new_start_time > is->start_time) {
3150 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3151 ifile->ts_offset = -new_start_time;
3155 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3156 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3157 ist->wrap_correction_done = 1;
3159 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3160 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3161 ist->wrap_correction_done = 0;
3163 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3164 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3165 ist->wrap_correction_done = 0;
3169 if (pkt.dts != AV_NOPTS_VALUE)
3170 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3171 if (pkt.pts != AV_NOPTS_VALUE)
3172 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3174 if (pkt.pts != AV_NOPTS_VALUE)
3175 pkt.pts *= ist->ts_scale;
3176 if (pkt.dts != AV_NOPTS_VALUE)
3177 pkt.dts *= ist->ts_scale;
3179 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3180 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3181 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3182 int64_t delta = pkt_dts - ifile->last_ts;
3183 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3184 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3185 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3186 ifile->ts_offset -= delta;
3187 av_log(NULL, AV_LOG_DEBUG,
3188 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3189 delta, ifile->ts_offset);
3190 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3191 if (pkt.pts != AV_NOPTS_VALUE)
3192 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3196 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3198 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3199 int64_t delta = pkt_dts - ist->next_dts;
3200 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3201 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3202 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3203 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3204 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)){
3205 ifile->ts_offset -= delta;
3206 av_log(NULL, AV_LOG_DEBUG,
3207 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3208 delta, ifile->ts_offset);
3209 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3210 if (pkt.pts != AV_NOPTS_VALUE)
3211 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3214 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3215 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3217 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3218 pkt.dts = AV_NOPTS_VALUE;
3220 if (pkt.pts != AV_NOPTS_VALUE){
3221 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3222 delta = pkt_pts - ist->next_dts;
3223 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3224 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3226 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3227 pkt.pts = AV_NOPTS_VALUE;
3233 if (pkt.dts != AV_NOPTS_VALUE)
3234 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3237 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",
3238 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3239 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3240 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3241 av_ts2str(input_files[ist->file_index]->ts_offset),
3242 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3245 sub2video_heartbeat(ist, pkt.pts);
3247 ret = output_packet(ist, &pkt);
3250 av_strerror(ret, buf, sizeof(buf));
3251 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3252 ist->file_index, ist->st->index, buf);
3258 av_free_packet(&pkt);
3264 * Perform a step of transcoding for the specified filter graph.
3266 * @param[in] graph filter graph to consider
3267 * @param[out] best_ist input stream where a frame would allow to continue
3268 * @return 0 for success, <0 for error
3270 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3273 int nb_requests, nb_requests_max = 0;
3274 InputFilter *ifilter;
3278 ret = avfilter_graph_request_oldest(graph->graph);
3280 return reap_filters();
3282 if (ret == AVERROR_EOF) {
3283 ret = reap_filters();
3284 for (i = 0; i < graph->nb_outputs; i++)
3285 close_output_stream(graph->outputs[i]->ost);
3288 if (ret != AVERROR(EAGAIN))
3291 for (i = 0; i < graph->nb_inputs; i++) {
3292 ifilter = graph->inputs[i];
3294 if (input_files[ist->file_index]->eagain ||
3295 input_files[ist->file_index]->eof_reached)
3297 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3298 if (nb_requests > nb_requests_max) {
3299 nb_requests_max = nb_requests;
3305 for (i = 0; i < graph->nb_outputs; i++)
3306 graph->outputs[i]->ost->unavailable = 1;
3312 * Run a single step of transcoding.
3314 * @return 0 for success, <0 for error
3316 static int transcode_step(void)
3322 ost = choose_output();
3329 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3334 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3339 av_assert0(ost->source_index >= 0);
3340 ist = input_streams[ost->source_index];
3343 ret = process_input(ist->file_index);
3344 if (ret == AVERROR(EAGAIN)) {
3345 if (input_files[ist->file_index]->eagain)
3346 ost->unavailable = 1;
3350 return ret == AVERROR_EOF ? 0 : ret;
3352 return reap_filters();
3356 * The following code is the main loop of the file converter
3358 static int transcode(void)
3361 AVFormatContext *os;
3364 int64_t timer_start;
3366 ret = transcode_init();
3370 if (stdin_interaction) {
3371 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3374 timer_start = av_gettime();
3377 if ((ret = init_input_threads()) < 0)
3381 while (!received_sigterm) {
3382 int64_t cur_time= av_gettime();
3384 /* if 'q' pressed, exits */
3385 if (stdin_interaction)
3386 if (check_keyboard_interaction(cur_time) < 0)
3389 /* check if there's any stream where output is still needed */
3390 if (!need_output()) {
3391 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3395 ret = transcode_step();
3397 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3400 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3404 /* dump report by using the output first video and audio streams */
3405 print_report(0, timer_start, cur_time);
3408 free_input_threads();
3411 /* at the end of stream, we must flush the decoder buffers */
3412 for (i = 0; i < nb_input_streams; i++) {
3413 ist = input_streams[i];
3414 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3415 output_packet(ist, NULL);
3422 /* write the trailer if needed and close file */
3423 for (i = 0; i < nb_output_files; i++) {
3424 os = output_files[i]->ctx;
3425 av_write_trailer(os);
3428 /* dump report by using the first video and audio streams */
3429 print_report(1, timer_start, av_gettime());
3431 /* close each encoder */
3432 for (i = 0; i < nb_output_streams; i++) {
3433 ost = output_streams[i];
3434 if (ost->encoding_needed) {
3435 av_freep(&ost->st->codec->stats_in);
3436 avcodec_close(ost->st->codec);
3440 /* close each decoder */
3441 for (i = 0; i < nb_input_streams; i++) {
3442 ist = input_streams[i];
3443 if (ist->decoding_needed) {
3444 avcodec_close(ist->st->codec);
3445 if (ist->hwaccel_uninit)
3446 ist->hwaccel_uninit(ist->st->codec);
3455 free_input_threads();
3458 if (output_streams) {
3459 for (i = 0; i < nb_output_streams; i++) {
3460 ost = output_streams[i];
3462 if (ost->stream_copy)
3463 av_freep(&ost->st->codec->extradata);
3465 fclose(ost->logfile);
3466 ost->logfile = NULL;
3468 av_freep(&ost->st->codec->subtitle_header);
3469 av_freep(&ost->forced_kf_pts);
3470 av_freep(&ost->apad);
3471 av_dict_free(&ost->opts);
3472 av_dict_free(&ost->swr_opts);
3473 av_dict_free(&ost->resample_opts);
3481 static int64_t getutime(void)
3484 struct rusage rusage;
3486 getrusage(RUSAGE_SELF, &rusage);
3487 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3488 #elif HAVE_GETPROCESSTIMES
3490 FILETIME c, e, k, u;
3491 proc = GetCurrentProcess();
3492 GetProcessTimes(proc, &c, &e, &k, &u);
3493 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3495 return av_gettime();
3499 static int64_t getmaxrss(void)
3501 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3502 struct rusage rusage;
3503 getrusage(RUSAGE_SELF, &rusage);
3504 return (int64_t)rusage.ru_maxrss * 1024;
3505 #elif HAVE_GETPROCESSMEMORYINFO
3507 PROCESS_MEMORY_COUNTERS memcounters;
3508 proc = GetCurrentProcess();
3509 memcounters.cb = sizeof(memcounters);
3510 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3511 return memcounters.PeakPagefileUsage;
3517 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3521 int main(int argc, char **argv)
3526 register_exit(ffmpeg_cleanup);
3528 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3530 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3531 parse_loglevel(argc, argv, options);
3533 if(argc>1 && !strcmp(argv[1], "-d")){
3535 av_log_set_callback(log_callback_null);
3540 avcodec_register_all();
3542 avdevice_register_all();
3544 avfilter_register_all();
3546 avformat_network_init();
3548 show_banner(argc, argv, options);
3552 /* parse options and open all input/output files */
3553 ret = ffmpeg_parse_options(argc, argv);
3557 if (nb_output_files <= 0 && nb_input_files == 0) {
3559 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3563 /* file converter / grab */
3564 if (nb_output_files <= 0) {
3565 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3569 // if (nb_input_files == 0) {
3570 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3574 current_time = ti = getutime();
3575 if (transcode() < 0)
3577 ti = getutime() - ti;
3579 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3581 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3582 decode_error_stat[0], decode_error_stat[1]);
3583 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3586 exit_program(received_nb_signals ? 255 : main_return_code);
3587 return main_return_code;