2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavformat/os_support.h"
65 #include "libavformat/ffm.h" // not public API
67 # include "libavfilter/avcodec.h"
68 # include "libavfilter/avfilter.h"
69 # include "libavfilter/buffersrc.h"
70 # include "libavfilter/buffersink.h"
72 #if HAVE_SYS_RESOURCE_H
74 #include <sys/types.h>
75 #include <sys/resource.h>
76 #elif HAVE_GETPROCESSTIMES
79 #if HAVE_GETPROCESSMEMORYINFO
85 #include <sys/select.h>
90 #include <sys/ioctl.h>
104 #include "cmdutils.h"
106 #include "libavutil/avassert.h"
108 const char program_name[] = "ffmpeg";
109 const int program_birth_year = 2000;
111 static FILE *vstats_file;
113 const char *const forced_keyframes_const_names[] = {
122 static void do_video_stats(OutputStream *ost, int frame_size);
123 static int64_t getutime(void);
124 static int64_t getmaxrss(void);
126 static int run_as_daemon = 0;
127 static int nb_frames_dup = 0;
128 static int nb_frames_drop = 0;
129 static int64_t decode_error_stat[2];
131 static int current_time;
132 AVIOContext *progress_avio = NULL;
134 static uint8_t *subtitle_out;
136 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
138 InputStream **input_streams = NULL;
139 int nb_input_streams = 0;
140 InputFile **input_files = NULL;
141 int nb_input_files = 0;
143 OutputStream **output_streams = NULL;
144 int nb_output_streams = 0;
145 OutputFile **output_files = NULL;
146 int nb_output_files = 0;
148 FilterGraph **filtergraphs;
153 /* init terminal so that we can grab keys */
154 static struct termios oldtty;
155 static int restore_tty;
158 static void free_input_threads(void);
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
166 static int sub2video_get_blank_frame(InputStream *ist)
169 AVFrame *frame = ist->sub2video.frame;
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->sub2video.w;
173 ist->sub2video.frame->height = ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
181 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
184 uint32_t *pal, *dst2;
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
197 dst += r->y * dst_linesize + r->x * 4;
198 src = r->pict.data[0];
199 pal = (uint32_t *)r->pict.data[1];
200 for (y = 0; y < r->h; y++) {
201 dst2 = (uint32_t *)dst;
203 for (x = 0; x < r->w; x++)
204 *(dst2++) = pal[*(src2++)];
206 src += r->pict.linesize[0];
210 static void sub2video_push_ref(InputStream *ist, int64_t pts)
212 AVFrame *frame = ist->sub2video.frame;
215 av_assert1(frame->data[0]);
216 ist->sub2video.last_pts = frame->pts = pts;
217 for (i = 0; i < ist->nb_filters; i++)
218 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
219 AV_BUFFERSRC_FLAG_KEEP_REF |
220 AV_BUFFERSRC_FLAG_PUSH);
223 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
225 int w = ist->sub2video.w, h = ist->sub2video.h;
226 AVFrame *frame = ist->sub2video.frame;
230 int64_t pts, end_pts;
235 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
236 AV_TIME_BASE_Q, ist->st->time_base);
237 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
238 AV_TIME_BASE_Q, ist->st->time_base);
239 num_rects = sub->num_rects;
241 pts = ist->sub2video.end_pts;
245 if (sub2video_get_blank_frame(ist) < 0) {
246 av_log(ist->dec_ctx, AV_LOG_ERROR,
247 "Impossible to get a blank canvas.\n");
250 dst = frame->data [0];
251 dst_linesize = frame->linesize[0];
252 for (i = 0; i < num_rects; i++)
253 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
254 sub2video_push_ref(ist, pts);
255 ist->sub2video.end_pts = end_pts;
258 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
260 InputFile *infile = input_files[ist->file_index];
264 /* When a frame is read from a file, examine all sub2video streams in
265 the same file and send the sub2video frame again. Otherwise, decoded
266 video frames could be accumulating in the filter graph while a filter
267 (possibly overlay) is desperately waiting for a subtitle frame. */
268 for (i = 0; i < infile->nb_streams; i++) {
269 InputStream *ist2 = input_streams[infile->ist_index + i];
270 if (!ist2->sub2video.frame)
272 /* subtitles seem to be usually muxed ahead of other streams;
273 if not, subtracting a larger time here is necessary */
274 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
275 /* do not send the heartbeat frame if the subtitle is already ahead */
276 if (pts2 <= ist2->sub2video.last_pts)
278 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
279 sub2video_update(ist2, NULL);
280 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
281 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
283 sub2video_push_ref(ist2, pts2);
287 static void sub2video_flush(InputStream *ist)
291 if (ist->sub2video.end_pts < INT64_MAX)
292 sub2video_update(ist, NULL);
293 for (i = 0; i < ist->nb_filters; i++)
294 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
297 /* end of sub2video hack */
299 static void term_exit_sigsafe(void)
303 tcsetattr (0, TCSANOW, &oldtty);
309 av_log(NULL, AV_LOG_QUIET, "%s", "");
313 static volatile int received_sigterm = 0;
314 static volatile int received_nb_signals = 0;
315 static volatile int transcode_init_done = 0;
316 static int main_return_code = 0;
319 sigterm_handler(int sig)
321 received_sigterm = sig;
322 received_nb_signals++;
324 if(received_nb_signals > 3)
335 istty = isatty(0) && isatty(2);
337 if (istty && tcgetattr (0, &tty) == 0) {
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 avformat_network_deinit();
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
360 signal(SIGXCPU, sigterm_handler);
364 /* read a key without blocking */
365 static int read_key(void)
377 n = select(1, &rfds, NULL, NULL, &tv);
386 # if HAVE_PEEKNAMEDPIPE
388 static HANDLE input_handle;
391 input_handle = GetStdHandle(STD_INPUT_HANDLE);
392 is_pipe = !GetConsoleMode(input_handle, &dw);
395 if (stdin->_cnt > 0) {
400 /* When running under a GUI, you will end here. */
401 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
402 // input pipe may have been closed by the program that ran ffmpeg
420 static int decode_interrupt_cb(void *ctx)
422 return received_nb_signals > transcode_init_done;
425 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
427 static void ffmpeg_cleanup(int ret)
432 int maxrss = getmaxrss() / 1024;
433 printf("bench: maxrss=%ikB\n", maxrss);
436 for (i = 0; i < nb_filtergraphs; i++) {
437 FilterGraph *fg = filtergraphs[i];
438 avfilter_graph_free(&fg->graph);
439 for (j = 0; j < fg->nb_inputs; j++) {
440 av_freep(&fg->inputs[j]->name);
441 av_freep(&fg->inputs[j]);
443 av_freep(&fg->inputs);
444 for (j = 0; j < fg->nb_outputs; j++) {
445 av_freep(&fg->outputs[j]->name);
446 av_freep(&fg->outputs[j]);
448 av_freep(&fg->outputs);
449 av_freep(&fg->graph_desc);
451 av_freep(&filtergraphs[i]);
453 av_freep(&filtergraphs);
455 av_freep(&subtitle_out);
458 for (i = 0; i < nb_output_files; i++) {
459 OutputFile *of = output_files[i];
460 AVFormatContext *s = of->ctx;
461 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
463 avformat_free_context(s);
464 av_dict_free(&of->opts);
466 av_freep(&output_files[i]);
468 for (i = 0; i < nb_output_streams; i++) {
469 OutputStream *ost = output_streams[i];
470 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
472 AVBitStreamFilterContext *next = bsfc->next;
473 av_bitstream_filter_close(bsfc);
476 ost->bitstream_filters = NULL;
477 av_frame_free(&ost->filtered_frame);
478 av_frame_free(&ost->last_frame);
480 av_parser_close(ost->parser);
482 av_freep(&ost->forced_keyframes);
483 av_expr_free(ost->forced_keyframes_pexpr);
484 av_freep(&ost->avfilter);
485 av_freep(&ost->logfile_prefix);
487 av_freep(&ost->audio_channels_map);
488 ost->audio_channels_mapped = 0;
490 avcodec_free_context(&ost->enc_ctx);
492 av_freep(&output_streams[i]);
495 free_input_threads();
497 for (i = 0; i < nb_input_files; i++) {
498 avformat_close_input(&input_files[i]->ctx);
499 av_freep(&input_files[i]);
501 for (i = 0; i < nb_input_streams; i++) {
502 InputStream *ist = input_streams[i];
504 av_frame_free(&ist->decoded_frame);
505 av_frame_free(&ist->filter_frame);
506 av_dict_free(&ist->decoder_opts);
507 avsubtitle_free(&ist->prev_sub.subtitle);
508 av_frame_free(&ist->sub2video.frame);
509 av_freep(&ist->filters);
510 av_freep(&ist->hwaccel_device);
512 avcodec_free_context(&ist->dec_ctx);
514 av_freep(&input_streams[i]);
519 av_free(vstats_filename);
521 av_freep(&input_streams);
522 av_freep(&input_files);
523 av_freep(&output_streams);
524 av_freep(&output_files);
528 avformat_network_deinit();
530 if (received_sigterm) {
531 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
532 (int) received_sigterm);
533 } else if (ret && transcode_init_done) {
534 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
539 void remove_avoptions(AVDictionary **a, AVDictionary *b)
541 AVDictionaryEntry *t = NULL;
543 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
544 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
548 void assert_avoptions(AVDictionary *m)
550 AVDictionaryEntry *t;
551 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
552 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
557 static void abort_codec_experimental(AVCodec *c, int encoder)
562 static void update_benchmark(const char *fmt, ...)
564 if (do_benchmark_all) {
565 int64_t t = getutime();
571 vsnprintf(buf, sizeof(buf), fmt, va);
573 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
579 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
582 for (i = 0; i < nb_output_streams; i++) {
583 OutputStream *ost2 = output_streams[i];
584 ost2->finished |= ost == ost2 ? this_stream : others;
588 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
590 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
591 AVCodecContext *avctx = ost->st->codec;
594 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
595 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
596 if (ost->st->codec->extradata) {
597 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
598 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
602 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
603 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
604 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
607 * Audio encoders may split the packets -- #frames in != #packets out.
608 * But there is no reordering, so we can limit the number of output packets
609 * by simply dropping them here.
610 * Counting encoded video frames needs to be done separately because of
611 * reordering, see do_video_out()
613 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
614 if (ost->frame_number >= ost->max_frames) {
622 av_packet_split_side_data(pkt);
625 AVPacket new_pkt = *pkt;
626 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
627 &new_pkt.data, &new_pkt.size,
628 pkt->data, pkt->size,
629 pkt->flags & AV_PKT_FLAG_KEY);
630 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
631 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
633 memcpy(t, new_pkt.data, new_pkt.size);
634 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
642 pkt->side_data = NULL;
643 pkt->side_data_elems = 0;
645 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
646 av_buffer_default_free, NULL, 0);
650 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
651 bsfc->filter->name, pkt->stream_index,
652 avctx->codec ? avctx->codec->name : "copy");
662 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
663 if (pkt->dts != AV_NOPTS_VALUE &&
664 pkt->pts != AV_NOPTS_VALUE &&
665 pkt->dts > pkt->pts) {
666 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
668 ost->file_index, ost->st->index);
670 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
671 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
672 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
675 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
676 pkt->dts != AV_NOPTS_VALUE &&
677 ost->last_mux_dts != AV_NOPTS_VALUE) {
678 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
679 if (pkt->dts < max) {
680 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
681 av_log(s, loglevel, "Non-monotonous DTS in output stream "
682 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
683 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
685 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
688 av_log(s, loglevel, "changing to %"PRId64". This may result "
689 "in incorrect timestamps in the output file.\n",
691 if(pkt->pts >= pkt->dts)
692 pkt->pts = FFMAX(pkt->pts, max);
697 ost->last_mux_dts = pkt->dts;
699 ost->data_size += pkt->size;
700 ost->packets_written++;
702 pkt->stream_index = ost->index;
705 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
706 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
707 av_get_media_type_string(ost->enc_ctx->codec_type),
708 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
709 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
714 ret = av_interleaved_write_frame(s, pkt);
716 print_error("av_interleaved_write_frame()", ret);
717 main_return_code = 1;
718 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
723 static void close_output_stream(OutputStream *ost)
725 OutputFile *of = output_files[ost->file_index];
727 ost->finished |= ENCODER_FINISHED;
729 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
730 of->recording_time = FFMIN(of->recording_time, end);
734 static int check_recording_time(OutputStream *ost)
736 OutputFile *of = output_files[ost->file_index];
738 if (of->recording_time != INT64_MAX &&
739 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
740 AV_TIME_BASE_Q) >= 0) {
741 close_output_stream(ost);
747 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
750 AVCodecContext *enc = ost->enc_ctx;
754 av_init_packet(&pkt);
758 if (!check_recording_time(ost))
761 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
762 frame->pts = ost->sync_opts;
763 ost->sync_opts = frame->pts + frame->nb_samples;
764 ost->samples_encoded += frame->nb_samples;
765 ost->frames_encoded++;
767 av_assert0(pkt.size || !pkt.data);
768 update_benchmark(NULL);
770 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
771 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
772 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
773 enc->time_base.num, enc->time_base.den);
776 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
777 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
780 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
783 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
786 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
787 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
788 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
789 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
792 write_frame(s, &pkt, ost);
796 static void do_subtitle_out(AVFormatContext *s,
801 int subtitle_out_max_size = 1024 * 1024;
802 int subtitle_out_size, nb, i;
807 if (sub->pts == AV_NOPTS_VALUE) {
808 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
817 subtitle_out = av_malloc(subtitle_out_max_size);
820 /* Note: DVB subtitle need one packet to draw them and one other
821 packet to clear them */
822 /* XXX: signal it in the codec context ? */
823 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
828 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
830 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
831 pts -= output_files[ost->file_index]->start_time;
832 for (i = 0; i < nb; i++) {
833 unsigned save_num_rects = sub->num_rects;
835 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
836 if (!check_recording_time(ost))
840 // start_display_time is required to be 0
841 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
842 sub->end_display_time -= sub->start_display_time;
843 sub->start_display_time = 0;
847 ost->frames_encoded++;
849 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
850 subtitle_out_max_size, sub);
852 sub->num_rects = save_num_rects;
853 if (subtitle_out_size < 0) {
854 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
858 av_init_packet(&pkt);
859 pkt.data = subtitle_out;
860 pkt.size = subtitle_out_size;
861 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
862 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
863 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
864 /* XXX: the pts correction is handled here. Maybe handling
865 it in the codec would be better */
867 pkt.pts += 90 * sub->start_display_time;
869 pkt.pts += 90 * sub->end_display_time;
872 write_frame(s, &pkt, ost);
876 static void do_video_out(AVFormatContext *s,
878 AVFrame *next_picture)
880 int ret, format_video_sync;
882 AVCodecContext *enc = ost->enc_ctx;
883 AVCodecContext *mux_enc = ost->st->codec;
884 int nb_frames, nb0_frames, i;
885 double sync_ipts, delta, delta0;
888 InputStream *ist = NULL;
890 if (ost->source_index >= 0)
891 ist = input_streams[ost->source_index];
893 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
894 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
896 sync_ipts = next_picture->pts;
897 delta0 = sync_ipts - ost->sync_opts;
898 delta = delta0 + duration;
900 /* by default, we output a single frame */
904 format_video_sync = video_sync_method;
905 if (format_video_sync == VSYNC_AUTO) {
906 if(!strcmp(s->oformat->name, "avi")) {
907 format_video_sync = VSYNC_VFR;
909 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
911 && format_video_sync == VSYNC_CFR
912 && input_files[ist->file_index]->ctx->nb_streams == 1
913 && input_files[ist->file_index]->input_ts_offset == 0) {
914 format_video_sync = VSYNC_VSCFR;
916 if (format_video_sync == VSYNC_CFR && copy_ts) {
917 format_video_sync = VSYNC_VSCFR;
921 switch (format_video_sync) {
923 if (ost->frame_number == 0 && delta - duration >= 0.5) {
924 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
927 ost->sync_opts = lrint(sync_ipts);
930 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
933 else if (delta > 1.1) {
934 nb_frames = lrintf(delta);
936 nb0_frames = lrintf(delta0 - 0.6);
942 else if (delta > 0.6)
943 ost->sync_opts = lrint(sync_ipts);
946 case VSYNC_PASSTHROUGH:
947 ost->sync_opts = lrint(sync_ipts);
953 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
954 nb0_frames = FFMIN(nb0_frames, nb_frames);
955 if (nb0_frames == 0 && ost->last_droped) {
957 av_log(NULL, AV_LOG_VERBOSE,
958 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
959 ost->frame_number, ost->st->index, next_picture->pts);
961 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
962 if (nb_frames > dts_error_threshold * 30) {
963 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
967 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
968 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
970 ost->last_droped = nb_frames == nb0_frames;
972 /* duplicates frame if needed */
973 for (i = 0; i < nb_frames; i++) {
975 av_init_packet(&pkt);
979 if (i < nb0_frames && ost->last_frame) {
980 in_picture = ost->last_frame;
982 in_picture = next_picture;
984 in_picture->pts = ost->sync_opts;
987 if (!check_recording_time(ost))
989 if (ost->frame_number >= ost->max_frames)
993 if (s->oformat->flags & AVFMT_RAWPICTURE &&
994 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
995 /* raw pictures are written as AVPicture structure to
996 avoid any copies. We support temporarily the older
998 mux_enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
999 mux_enc->coded_frame->top_field_first = in_picture->top_field_first;
1000 if (mux_enc->coded_frame->interlaced_frame)
1001 mux_enc->field_order = mux_enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1003 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1004 pkt.data = (uint8_t *)in_picture;
1005 pkt.size = sizeof(AVPicture);
1006 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1007 pkt.flags |= AV_PKT_FLAG_KEY;
1009 write_frame(s, &pkt, ost);
1011 int got_packet, forced_keyframe = 0;
1014 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1015 ost->top_field_first >= 0)
1016 in_picture->top_field_first = !!ost->top_field_first;
1018 if (in_picture->interlaced_frame) {
1019 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1020 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1022 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1024 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1026 in_picture->quality = enc->global_quality;
1027 in_picture->pict_type = 0;
1029 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1030 in_picture->pts * av_q2d(enc->time_base) : NAN;
1031 if (ost->forced_kf_index < ost->forced_kf_count &&
1032 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1033 ost->forced_kf_index++;
1034 forced_keyframe = 1;
1035 } else if (ost->forced_keyframes_pexpr) {
1037 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1038 res = av_expr_eval(ost->forced_keyframes_pexpr,
1039 ost->forced_keyframes_expr_const_values, NULL);
1040 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1041 ost->forced_keyframes_expr_const_values[FKF_N],
1042 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1043 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1044 ost->forced_keyframes_expr_const_values[FKF_T],
1045 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1048 forced_keyframe = 1;
1049 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1050 ost->forced_keyframes_expr_const_values[FKF_N];
1051 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1052 ost->forced_keyframes_expr_const_values[FKF_T];
1053 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1056 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1059 if (forced_keyframe) {
1060 in_picture->pict_type = AV_PICTURE_TYPE_I;
1061 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1064 update_benchmark(NULL);
1066 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1067 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1068 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1069 enc->time_base.num, enc->time_base.den);
1072 ost->frames_encoded++;
1074 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1075 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1077 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1083 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1084 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1085 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1086 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1089 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1090 pkt.pts = ost->sync_opts;
1092 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1095 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1096 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1097 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1098 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1101 frame_size = pkt.size;
1102 write_frame(s, &pkt, ost);
1104 /* if two pass, output log */
1105 if (ost->logfile && enc->stats_out) {
1106 fprintf(ost->logfile, "%s", enc->stats_out);
1112 * For video, number of frames in == number of packets out.
1113 * But there may be reordering, so we can't throw away frames on encoder
1114 * flush, we need to limit them here, before they go into encoder.
1116 ost->frame_number++;
1118 if (vstats_filename && frame_size)
1119 do_video_stats(ost, frame_size);
1122 if (!ost->last_frame)
1123 ost->last_frame = av_frame_alloc();
1124 av_frame_unref(ost->last_frame);
1125 av_frame_ref(ost->last_frame, next_picture);
1128 static double psnr(double d)
1130 return -10.0 * log(d) / log(10.0);
1133 static void do_video_stats(OutputStream *ost, int frame_size)
1135 AVCodecContext *enc;
1137 double ti1, bitrate, avg_bitrate;
1139 /* this is executed just the first time do_video_stats is called */
1141 vstats_file = fopen(vstats_filename, "w");
1149 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1150 frame_number = ost->st->nb_frames;
1151 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1152 if (enc->flags&CODEC_FLAG_PSNR)
1153 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1155 fprintf(vstats_file,"f_size= %6d ", frame_size);
1156 /* compute pts value */
1157 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1161 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1162 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1163 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1164 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1165 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1169 static void finish_output_stream(OutputStream *ost)
1171 OutputFile *of = output_files[ost->file_index];
1174 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1177 for (i = 0; i < of->ctx->nb_streams; i++)
1178 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1183 * Get and encode new output from any of the filtergraphs, without causing
1186 * @return 0 for success, <0 for severe errors
1188 static int reap_filters(void)
1190 AVFrame *filtered_frame = NULL;
1194 /* Reap all buffers present in the buffer sinks */
1195 for (i = 0; i < nb_output_streams; i++) {
1196 OutputStream *ost = output_streams[i];
1197 OutputFile *of = output_files[ost->file_index];
1198 AVFilterContext *filter;
1199 AVCodecContext *enc = ost->enc_ctx;
1204 filter = ost->filter->filter;
1206 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1207 return AVERROR(ENOMEM);
1209 filtered_frame = ost->filtered_frame;
1212 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1213 AV_BUFFERSINK_FLAG_NO_REQUEST);
1215 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1216 av_log(NULL, AV_LOG_WARNING,
1217 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1221 if (ost->finished) {
1222 av_frame_unref(filtered_frame);
1225 frame_pts = AV_NOPTS_VALUE;
1226 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1227 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1228 filtered_frame->pts = frame_pts =
1229 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1230 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1232 //if (ost->source_index >= 0)
1233 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1235 switch (filter->inputs[0]->type) {
1236 case AVMEDIA_TYPE_VIDEO:
1237 filtered_frame->pts = frame_pts;
1238 if (!ost->frame_aspect_ratio.num)
1239 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1242 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1243 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1244 enc->time_base.num, enc->time_base.den);
1247 do_video_out(of->ctx, ost, filtered_frame);
1249 case AVMEDIA_TYPE_AUDIO:
1250 filtered_frame->pts = frame_pts;
1251 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1252 enc->channels != av_frame_get_channels(filtered_frame)) {
1253 av_log(NULL, AV_LOG_ERROR,
1254 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1257 do_audio_out(of->ctx, ost, filtered_frame);
1260 // TODO support subtitle filters
1264 av_frame_unref(filtered_frame);
1271 static void print_final_stats(int64_t total_size)
1273 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1274 uint64_t subtitle_size = 0;
1275 uint64_t data_size = 0;
1276 float percent = -1.0;
1279 for (i = 0; i < nb_output_streams; i++) {
1280 OutputStream *ost = output_streams[i];
1281 switch (ost->enc_ctx->codec_type) {
1282 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1283 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1284 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1285 default: other_size += ost->data_size; break;
1287 extra_size += ost->enc_ctx->extradata_size;
1288 data_size += ost->data_size;
1291 if (data_size && total_size>0 && total_size >= data_size)
1292 percent = 100.0 * (total_size - data_size) / data_size;
1294 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1295 video_size / 1024.0,
1296 audio_size / 1024.0,
1297 subtitle_size / 1024.0,
1298 other_size / 1024.0,
1299 extra_size / 1024.0);
1301 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1303 av_log(NULL, AV_LOG_INFO, "unknown");
1304 av_log(NULL, AV_LOG_INFO, "\n");
1306 /* print verbose per-stream stats */
1307 for (i = 0; i < nb_input_files; i++) {
1308 InputFile *f = input_files[i];
1309 uint64_t total_packets = 0, total_size = 0;
1311 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1312 i, f->ctx->filename);
1314 for (j = 0; j < f->nb_streams; j++) {
1315 InputStream *ist = input_streams[f->ist_index + j];
1316 enum AVMediaType type = ist->dec_ctx->codec_type;
1318 total_size += ist->data_size;
1319 total_packets += ist->nb_packets;
1321 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1322 i, j, media_type_string(type));
1323 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1324 ist->nb_packets, ist->data_size);
1326 if (ist->decoding_needed) {
1327 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1328 ist->frames_decoded);
1329 if (type == AVMEDIA_TYPE_AUDIO)
1330 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1331 av_log(NULL, AV_LOG_VERBOSE, "; ");
1334 av_log(NULL, AV_LOG_VERBOSE, "\n");
1337 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1338 total_packets, total_size);
1341 for (i = 0; i < nb_output_files; i++) {
1342 OutputFile *of = output_files[i];
1343 uint64_t total_packets = 0, total_size = 0;
1345 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1346 i, of->ctx->filename);
1348 for (j = 0; j < of->ctx->nb_streams; j++) {
1349 OutputStream *ost = output_streams[of->ost_index + j];
1350 enum AVMediaType type = ost->enc_ctx->codec_type;
1352 total_size += ost->data_size;
1353 total_packets += ost->packets_written;
1355 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1356 i, j, media_type_string(type));
1357 if (ost->encoding_needed) {
1358 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1359 ost->frames_encoded);
1360 if (type == AVMEDIA_TYPE_AUDIO)
1361 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1362 av_log(NULL, AV_LOG_VERBOSE, "; ");
1365 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1366 ost->packets_written, ost->data_size);
1368 av_log(NULL, AV_LOG_VERBOSE, "\n");
1371 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1372 total_packets, total_size);
1374 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1375 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1379 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1382 AVBPrint buf_script;
1384 AVFormatContext *oc;
1386 AVCodecContext *enc;
1387 int frame_number, vid, i;
1389 int64_t pts = INT64_MIN;
1390 static int64_t last_time = -1;
1391 static int qp_histogram[52];
1392 int hours, mins, secs, us;
1394 if (!print_stats && !is_last_report && !progress_avio)
1397 if (!is_last_report) {
1398 if (last_time == -1) {
1399 last_time = cur_time;
1402 if ((cur_time - last_time) < 500000)
1404 last_time = cur_time;
1408 oc = output_files[0]->ctx;
1410 total_size = avio_size(oc->pb);
1411 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1412 total_size = avio_tell(oc->pb);
1416 av_bprint_init(&buf_script, 0, 1);
1417 for (i = 0; i < nb_output_streams; i++) {
1419 ost = output_streams[i];
1421 if (!ost->stream_copy && enc->coded_frame)
1422 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1423 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1424 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1425 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1426 ost->file_index, ost->index, q);
1428 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1429 float fps, t = (cur_time-timer_start) / 1000000.0;
1431 frame_number = ost->frame_number;
1432 fps = t > 1 ? frame_number / t : 0;
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1434 frame_number, fps < 9.95, fps, q);
1435 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1436 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1437 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1438 ost->file_index, ost->index, q);
1440 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1444 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1446 for (j = 0; j < 32; j++)
1447 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1449 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1451 double error, error_sum = 0;
1452 double scale, scale_sum = 0;
1454 char type[3] = { 'Y','U','V' };
1455 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1456 for (j = 0; j < 3; j++) {
1457 if (is_last_report) {
1458 error = enc->error[j];
1459 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1461 error = enc->coded_frame->error[j];
1462 scale = enc->width * enc->height * 255.0 * 255.0;
1468 p = psnr(error / scale);
1469 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1470 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1471 ost->file_index, ost->index, type[j] | 32, p);
1473 p = psnr(error_sum / scale_sum);
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1475 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1476 ost->file_index, ost->index, p);
1480 /* compute min output value */
1481 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1482 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1483 ost->st->time_base, AV_TIME_BASE_Q));
1485 nb_frames_drop += ost->last_droped;
1488 secs = pts / AV_TIME_BASE;
1489 us = pts % AV_TIME_BASE;
1495 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1497 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1499 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1500 "size=%8.0fkB time=", total_size / 1024.0);
1501 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1502 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1503 (100 * us) / AV_TIME_BASE);
1504 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1506 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1507 "bitrate=%6.1fkbits/s", bitrate);
1508 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1509 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1510 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1511 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1512 hours, mins, secs, us);
1514 if (nb_frames_dup || nb_frames_drop)
1515 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1516 nb_frames_dup, nb_frames_drop);
1517 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1518 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1520 if (print_stats || is_last_report) {
1521 const char end = is_last_report ? '\n' : '\r';
1522 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1523 fprintf(stderr, "%s %c", buf, end);
1525 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1530 if (progress_avio) {
1531 av_bprintf(&buf_script, "progress=%s\n",
1532 is_last_report ? "end" : "continue");
1533 avio_write(progress_avio, buf_script.str,
1534 FFMIN(buf_script.len, buf_script.size - 1));
1535 avio_flush(progress_avio);
1536 av_bprint_finalize(&buf_script, NULL);
1537 if (is_last_report) {
1538 avio_close(progress_avio);
1539 progress_avio = NULL;
1544 print_final_stats(total_size);
1547 static void flush_encoders(void)
1551 for (i = 0; i < nb_output_streams; i++) {
1552 OutputStream *ost = output_streams[i];
1553 AVCodecContext *enc = ost->enc_ctx;
1554 AVFormatContext *os = output_files[ost->file_index]->ctx;
1555 int stop_encoding = 0;
1557 if (!ost->encoding_needed)
1560 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1562 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1566 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1569 switch (enc->codec_type) {
1570 case AVMEDIA_TYPE_AUDIO:
1571 encode = avcodec_encode_audio2;
1574 case AVMEDIA_TYPE_VIDEO:
1575 encode = avcodec_encode_video2;
1586 av_init_packet(&pkt);
1590 update_benchmark(NULL);
1591 ret = encode(enc, &pkt, NULL, &got_packet);
1592 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1594 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1597 if (ost->logfile && enc->stats_out) {
1598 fprintf(ost->logfile, "%s", enc->stats_out);
1604 if (ost->finished & MUXER_FINISHED) {
1605 av_free_packet(&pkt);
1608 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1609 pkt_size = pkt.size;
1610 write_frame(os, &pkt, ost);
1611 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1612 do_video_stats(ost, pkt_size);
1623 * Check whether a packet from ist should be written into ost at this time
1625 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1627 OutputFile *of = output_files[ost->file_index];
1628 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1630 if (ost->source_index != ist_index)
1636 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1642 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1644 OutputFile *of = output_files[ost->file_index];
1645 InputFile *f = input_files [ist->file_index];
1646 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1647 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1648 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1652 av_init_packet(&opkt);
1654 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1655 !ost->copy_initial_nonkeyframes)
1658 if (pkt->pts == AV_NOPTS_VALUE) {
1659 if (!ost->frame_number && ist->pts < start_time &&
1660 !ost->copy_prior_start)
1663 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1664 !ost->copy_prior_start)
1668 if (of->recording_time != INT64_MAX &&
1669 ist->pts >= of->recording_time + start_time) {
1670 close_output_stream(ost);
1674 if (f->recording_time != INT64_MAX) {
1675 start_time = f->ctx->start_time;
1676 if (f->start_time != AV_NOPTS_VALUE)
1677 start_time += f->start_time;
1678 if (ist->pts >= f->recording_time + start_time) {
1679 close_output_stream(ost);
1684 /* force the input stream PTS */
1685 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1688 if (pkt->pts != AV_NOPTS_VALUE)
1689 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1691 opkt.pts = AV_NOPTS_VALUE;
1693 if (pkt->dts == AV_NOPTS_VALUE)
1694 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1696 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1697 opkt.dts -= ost_tb_start_time;
1699 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1700 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1702 duration = ist->dec_ctx->frame_size;
1703 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1704 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1705 ost->st->time_base) - ost_tb_start_time;
1708 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1709 opkt.flags = pkt->flags;
1711 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1712 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1713 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1714 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1715 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1717 if (av_parser_change(ost->parser, ost->st->codec,
1718 &opkt.data, &opkt.size,
1719 pkt->data, pkt->size,
1720 pkt->flags & AV_PKT_FLAG_KEY)) {
1721 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1726 opkt.data = pkt->data;
1727 opkt.size = pkt->size;
1729 av_copy_packet_side_data(&opkt, pkt);
1731 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1732 /* store AVPicture in AVPacket, as expected by the output format */
1733 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1734 opkt.data = (uint8_t *)&pict;
1735 opkt.size = sizeof(AVPicture);
1736 opkt.flags |= AV_PKT_FLAG_KEY;
1739 write_frame(of->ctx, &opkt, ost);
1742 int guess_input_channel_layout(InputStream *ist)
1744 AVCodecContext *dec = ist->dec_ctx;
1746 if (!dec->channel_layout) {
1747 char layout_name[256];
1749 if (dec->channels > ist->guess_layout_max)
1751 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1752 if (!dec->channel_layout)
1754 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1755 dec->channels, dec->channel_layout);
1756 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1757 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1762 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1764 AVFrame *decoded_frame, *f;
1765 AVCodecContext *avctx = ist->dec_ctx;
1766 int i, ret, err = 0, resample_changed;
1767 AVRational decoded_frame_tb;
1769 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1770 return AVERROR(ENOMEM);
1771 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1772 return AVERROR(ENOMEM);
1773 decoded_frame = ist->decoded_frame;
1775 update_benchmark(NULL);
1776 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1777 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1779 if (ret >= 0 && avctx->sample_rate <= 0) {
1780 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1781 ret = AVERROR_INVALIDDATA;
1784 if (*got_output || ret<0 || pkt->size)
1785 decode_error_stat[ret<0] ++;
1787 if (!*got_output || ret < 0) {
1789 for (i = 0; i < ist->nb_filters; i++)
1791 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1793 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1799 ist->samples_decoded += decoded_frame->nb_samples;
1800 ist->frames_decoded++;
1803 /* increment next_dts to use for the case where the input stream does not
1804 have timestamps or there are multiple frames in the packet */
1805 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1807 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1811 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1812 ist->resample_channels != avctx->channels ||
1813 ist->resample_channel_layout != decoded_frame->channel_layout ||
1814 ist->resample_sample_rate != decoded_frame->sample_rate;
1815 if (resample_changed) {
1816 char layout1[64], layout2[64];
1818 if (!guess_input_channel_layout(ist)) {
1819 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1820 "layout for Input Stream #%d.%d\n", ist->file_index,
1824 decoded_frame->channel_layout = avctx->channel_layout;
1826 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1827 ist->resample_channel_layout);
1828 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1829 decoded_frame->channel_layout);
1831 av_log(NULL, AV_LOG_INFO,
1832 "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",
1833 ist->file_index, ist->st->index,
1834 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1835 ist->resample_channels, layout1,
1836 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1837 avctx->channels, layout2);
1839 ist->resample_sample_fmt = decoded_frame->format;
1840 ist->resample_sample_rate = decoded_frame->sample_rate;
1841 ist->resample_channel_layout = decoded_frame->channel_layout;
1842 ist->resample_channels = avctx->channels;
1844 for (i = 0; i < nb_filtergraphs; i++)
1845 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1846 FilterGraph *fg = filtergraphs[i];
1847 if (configure_filtergraph(fg) < 0) {
1848 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1854 /* if the decoder provides a pts, use it instead of the last packet pts.
1855 the decoder could be delaying output by a packet or more. */
1856 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1857 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1858 decoded_frame_tb = avctx->time_base;
1859 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1860 decoded_frame->pts = decoded_frame->pkt_pts;
1861 decoded_frame_tb = ist->st->time_base;
1862 } else if (pkt->pts != AV_NOPTS_VALUE) {
1863 decoded_frame->pts = pkt->pts;
1864 decoded_frame_tb = ist->st->time_base;
1866 decoded_frame->pts = ist->dts;
1867 decoded_frame_tb = AV_TIME_BASE_Q;
1869 pkt->pts = AV_NOPTS_VALUE;
1870 if (decoded_frame->pts != AV_NOPTS_VALUE)
1871 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1872 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1873 (AVRational){1, avctx->sample_rate});
1874 for (i = 0; i < ist->nb_filters; i++) {
1875 if (i < ist->nb_filters - 1) {
1876 f = ist->filter_frame;
1877 err = av_frame_ref(f, decoded_frame);
1882 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1883 AV_BUFFERSRC_FLAG_PUSH);
1884 if (err == AVERROR_EOF)
1885 err = 0; /* ignore */
1889 decoded_frame->pts = AV_NOPTS_VALUE;
1891 av_frame_unref(ist->filter_frame);
1892 av_frame_unref(decoded_frame);
1893 return err < 0 ? err : ret;
1896 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1898 AVFrame *decoded_frame, *f;
1899 int i, ret = 0, err = 0, resample_changed;
1900 int64_t best_effort_timestamp;
1901 AVRational *frame_sample_aspect;
1903 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1904 return AVERROR(ENOMEM);
1905 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1906 return AVERROR(ENOMEM);
1907 decoded_frame = ist->decoded_frame;
1908 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1910 update_benchmark(NULL);
1911 ret = avcodec_decode_video2(ist->dec_ctx,
1912 decoded_frame, got_output, pkt);
1913 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1915 // The following line may be required in some cases where there is no parser
1916 // or the parser does not has_b_frames correctly
1917 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1918 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1919 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1921 av_log_ask_for_sample(
1923 "has_b_frames is larger in decoder than demuxer %d > %d ",
1924 ist->dec_ctx->has_b_frames,
1925 ist->st->codec->has_b_frames
1929 if (*got_output || ret<0 || pkt->size)
1930 decode_error_stat[ret<0] ++;
1932 if (!*got_output || ret < 0) {
1934 for (i = 0; i < ist->nb_filters; i++)
1936 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1938 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1944 if(ist->top_field_first>=0)
1945 decoded_frame->top_field_first = ist->top_field_first;
1947 ist->frames_decoded++;
1949 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1950 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
1954 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1956 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1957 if(best_effort_timestamp != AV_NOPTS_VALUE)
1958 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1961 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1962 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
1963 ist->st->index, av_ts2str(decoded_frame->pts),
1964 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1965 best_effort_timestamp,
1966 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1967 decoded_frame->key_frame, decoded_frame->pict_type,
1968 ist->st->time_base.num, ist->st->time_base.den);
1973 if (ist->st->sample_aspect_ratio.num)
1974 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1976 resample_changed = ist->resample_width != decoded_frame->width ||
1977 ist->resample_height != decoded_frame->height ||
1978 ist->resample_pix_fmt != decoded_frame->format;
1979 if (resample_changed) {
1980 av_log(NULL, AV_LOG_INFO,
1981 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1982 ist->file_index, ist->st->index,
1983 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1984 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1986 ist->resample_width = decoded_frame->width;
1987 ist->resample_height = decoded_frame->height;
1988 ist->resample_pix_fmt = decoded_frame->format;
1990 for (i = 0; i < nb_filtergraphs; i++) {
1991 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1992 configure_filtergraph(filtergraphs[i]) < 0) {
1993 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1999 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2000 for (i = 0; i < ist->nb_filters; i++) {
2001 if (!frame_sample_aspect->num)
2002 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2004 if (i < ist->nb_filters - 1) {
2005 f = ist->filter_frame;
2006 err = av_frame_ref(f, decoded_frame);
2011 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2012 if (ret == AVERROR_EOF) {
2013 ret = 0; /* ignore */
2014 } else if (ret < 0) {
2015 av_log(NULL, AV_LOG_FATAL,
2016 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2022 av_frame_unref(ist->filter_frame);
2023 av_frame_unref(decoded_frame);
2024 return err < 0 ? err : ret;
2027 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2029 AVSubtitle subtitle;
2030 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2031 &subtitle, got_output, pkt);
2033 if (*got_output || ret<0 || pkt->size)
2034 decode_error_stat[ret<0] ++;
2036 if (ret < 0 || !*got_output) {
2038 sub2video_flush(ist);
2042 if (ist->fix_sub_duration) {
2044 if (ist->prev_sub.got_output) {
2045 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2046 1000, AV_TIME_BASE);
2047 if (end < ist->prev_sub.subtitle.end_display_time) {
2048 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2049 "Subtitle duration reduced from %d to %d%s\n",
2050 ist->prev_sub.subtitle.end_display_time, end,
2051 end <= 0 ? ", dropping it" : "");
2052 ist->prev_sub.subtitle.end_display_time = end;
2055 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2056 FFSWAP(int, ret, ist->prev_sub.ret);
2057 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2065 sub2video_update(ist, &subtitle);
2067 if (!subtitle.num_rects)
2070 ist->frames_decoded++;
2072 for (i = 0; i < nb_output_streams; i++) {
2073 OutputStream *ost = output_streams[i];
2075 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2076 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2079 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2083 avsubtitle_free(&subtitle);
2087 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2088 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2094 if (!ist->saw_first_ts) {
2095 ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2097 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2098 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2099 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2101 ist->saw_first_ts = 1;
2104 if (ist->next_dts == AV_NOPTS_VALUE)
2105 ist->next_dts = ist->dts;
2106 if (ist->next_pts == AV_NOPTS_VALUE)
2107 ist->next_pts = ist->pts;
2111 av_init_packet(&avpkt);
2119 if (pkt->dts != AV_NOPTS_VALUE) {
2120 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2121 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2122 ist->next_pts = ist->pts = ist->dts;
2125 // while we have more to decode or while the decoder did output something on EOF
2126 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2130 ist->pts = ist->next_pts;
2131 ist->dts = ist->next_dts;
2133 if (avpkt.size && avpkt.size != pkt->size &&
2134 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2135 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2136 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2137 ist->showed_multi_packet_warning = 1;
2140 switch (ist->dec_ctx->codec_type) {
2141 case AVMEDIA_TYPE_AUDIO:
2142 ret = decode_audio (ist, &avpkt, &got_output);
2144 case AVMEDIA_TYPE_VIDEO:
2145 ret = decode_video (ist, &avpkt, &got_output);
2146 if (avpkt.duration) {
2147 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2148 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2149 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2150 duration = ((int64_t)AV_TIME_BASE *
2151 ist->dec_ctx->framerate.den * ticks) /
2152 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2156 if(ist->dts != AV_NOPTS_VALUE && duration) {
2157 ist->next_dts += duration;
2159 ist->next_dts = AV_NOPTS_VALUE;
2162 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2164 case AVMEDIA_TYPE_SUBTITLE:
2165 ret = transcode_subtitles(ist, &avpkt, &got_output);
2175 avpkt.pts= AV_NOPTS_VALUE;
2177 // touch data and size only if not EOF
2179 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2187 if (got_output && !pkt)
2191 /* handle stream copy */
2192 if (!ist->decoding_needed) {
2193 ist->dts = ist->next_dts;
2194 switch (ist->dec_ctx->codec_type) {
2195 case AVMEDIA_TYPE_AUDIO:
2196 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2197 ist->dec_ctx->sample_rate;
2199 case AVMEDIA_TYPE_VIDEO:
2200 if (ist->framerate.num) {
2201 // TODO: Remove work-around for c99-to-c89 issue 7
2202 AVRational time_base_q = AV_TIME_BASE_Q;
2203 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2204 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2205 } else if (pkt->duration) {
2206 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2207 } else if(ist->dec_ctx->framerate.num != 0) {
2208 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2209 ist->next_dts += ((int64_t)AV_TIME_BASE *
2210 ist->dec_ctx->framerate.den * ticks) /
2211 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2215 ist->pts = ist->dts;
2216 ist->next_pts = ist->next_dts;
2218 for (i = 0; pkt && i < nb_output_streams; i++) {
2219 OutputStream *ost = output_streams[i];
2221 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2224 do_streamcopy(ist, ost, pkt);
2230 static void print_sdp(void)
2234 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2238 for (i = 0; i < nb_output_files; i++)
2239 avc[i] = output_files[i]->ctx;
2241 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2242 printf("SDP:\n%s\n", sdp);
2247 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2250 for (i = 0; hwaccels[i].name; i++)
2251 if (hwaccels[i].pix_fmt == pix_fmt)
2252 return &hwaccels[i];
2256 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2258 InputStream *ist = s->opaque;
2259 const enum AVPixelFormat *p;
2262 for (p = pix_fmts; *p != -1; p++) {
2263 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2264 const HWAccel *hwaccel;
2266 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2269 hwaccel = get_hwaccel(*p);
2271 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2272 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2275 ret = hwaccel->init(s);
2277 if (ist->hwaccel_id == hwaccel->id) {
2278 av_log(NULL, AV_LOG_FATAL,
2279 "%s hwaccel requested for input stream #%d:%d, "
2280 "but cannot be initialized.\n", hwaccel->name,
2281 ist->file_index, ist->st->index);
2286 ist->active_hwaccel_id = hwaccel->id;
2287 ist->hwaccel_pix_fmt = *p;
2294 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2296 InputStream *ist = s->opaque;
2298 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2299 return ist->hwaccel_get_buffer(s, frame, flags);
2301 return avcodec_default_get_buffer2(s, frame, flags);
2304 static int init_input_stream(int ist_index, char *error, int error_len)
2307 InputStream *ist = input_streams[ist_index];
2309 if (ist->decoding_needed) {
2310 AVCodec *codec = ist->dec;
2312 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2313 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2314 return AVERROR(EINVAL);
2317 ist->dec_ctx->opaque = ist;
2318 ist->dec_ctx->get_format = get_format;
2319 ist->dec_ctx->get_buffer2 = get_buffer;
2320 ist->dec_ctx->thread_safe_callbacks = 1;
2322 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2323 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2324 (ist->decoding_needed & DECODING_FOR_OST)) {
2325 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2326 if (ist->decoding_needed & DECODING_FOR_FILTER)
2327 av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
2330 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2331 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2332 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2333 if (ret == AVERROR_EXPERIMENTAL)
2334 abort_codec_experimental(codec, 0);
2336 snprintf(error, error_len,
2337 "Error while opening decoder for input stream "
2339 ist->file_index, ist->st->index, av_err2str(ret));
2342 assert_avoptions(ist->decoder_opts);
2345 ist->next_pts = AV_NOPTS_VALUE;
2346 ist->next_dts = AV_NOPTS_VALUE;
2351 static InputStream *get_input_stream(OutputStream *ost)
2353 if (ost->source_index >= 0)
2354 return input_streams[ost->source_index];
2358 static int compare_int64(const void *a, const void *b)
2360 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2361 return va < vb ? -1 : va > vb ? +1 : 0;
2364 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2365 AVCodecContext *avctx)
2368 int n = 1, i, size, index = 0;
2371 for (p = kf; *p; p++)
2375 pts = av_malloc_array(size, sizeof(*pts));
2377 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2382 for (i = 0; i < n; i++) {
2383 char *next = strchr(p, ',');
2388 if (!memcmp(p, "chapters", 8)) {
2390 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2393 if (avf->nb_chapters > INT_MAX - size ||
2394 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2396 av_log(NULL, AV_LOG_FATAL,
2397 "Could not allocate forced key frames array.\n");
2400 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2401 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2403 for (j = 0; j < avf->nb_chapters; j++) {
2404 AVChapter *c = avf->chapters[j];
2405 av_assert1(index < size);
2406 pts[index++] = av_rescale_q(c->start, c->time_base,
2407 avctx->time_base) + t;
2412 t = parse_time_or_die("force_key_frames", p, 1);
2413 av_assert1(index < size);
2414 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2421 av_assert0(index == size);
2422 qsort(pts, size, sizeof(*pts), compare_int64);
2423 ost->forced_kf_count = size;
2424 ost->forced_kf_pts = pts;
2427 static void report_new_stream(int input_index, AVPacket *pkt)
2429 InputFile *file = input_files[input_index];
2430 AVStream *st = file->ctx->streams[pkt->stream_index];
2432 if (pkt->stream_index < file->nb_streams_warn)
2434 av_log(file->ctx, AV_LOG_WARNING,
2435 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2436 av_get_media_type_string(st->codec->codec_type),
2437 input_index, pkt->stream_index,
2438 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2439 file->nb_streams_warn = pkt->stream_index + 1;
2442 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2444 AVDictionaryEntry *e;
2446 uint8_t *encoder_string;
2447 int encoder_string_len;
2448 int format_flags = 0;
2449 int codec_flags = 0;
2451 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2454 e = av_dict_get(of->opts, "fflags", NULL, 0);
2456 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2459 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2461 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2463 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2466 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2469 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2470 encoder_string = av_mallocz(encoder_string_len);
2471 if (!encoder_string)
2474 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2475 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2477 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2478 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2479 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2480 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2483 static int transcode_init(void)
2485 int ret = 0, i, j, k;
2486 AVFormatContext *oc;
2492 for (i = 0; i < nb_filtergraphs; i++) {
2493 FilterGraph *fg = filtergraphs[i];
2494 for (j = 0; j < fg->nb_outputs; j++) {
2495 OutputFilter *ofilter = fg->outputs[j];
2496 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2498 if (fg->nb_inputs != 1)
2500 for (k = nb_input_streams-1; k >= 0 ; k--)
2501 if (fg->inputs[0]->ist == input_streams[k])
2503 ofilter->ost->source_index = k;
2507 /* init framerate emulation */
2508 for (i = 0; i < nb_input_files; i++) {
2509 InputFile *ifile = input_files[i];
2510 if (ifile->rate_emu)
2511 for (j = 0; j < ifile->nb_streams; j++)
2512 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2515 /* output stream init */
2516 for (i = 0; i < nb_output_files; i++) {
2517 oc = output_files[i]->ctx;
2518 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2519 av_dump_format(oc, i, oc->filename, 1);
2520 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2521 return AVERROR(EINVAL);
2525 /* init complex filtergraphs */
2526 for (i = 0; i < nb_filtergraphs; i++)
2527 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2530 /* for each output stream, we compute the right encoding parameters */
2531 for (i = 0; i < nb_output_streams; i++) {
2532 AVCodecContext *enc_ctx;
2533 AVCodecContext *dec_ctx = NULL;
2534 ost = output_streams[i];
2535 oc = output_files[ost->file_index]->ctx;
2536 ist = get_input_stream(ost);
2538 if (ost->attachment_filename)
2541 enc_ctx = ost->enc_ctx;
2544 dec_ctx = ist->dec_ctx;
2546 ost->st->disposition = ist->st->disposition;
2547 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2548 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2550 for (j=0; j<oc->nb_streams; j++) {
2551 AVStream *st = oc->streams[j];
2552 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2555 if (j == oc->nb_streams)
2556 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2557 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2560 if (ost->stream_copy) {
2562 uint64_t extra_size;
2564 av_assert0(ist && !ost->filter);
2566 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2568 if (extra_size > INT_MAX) {
2569 return AVERROR(EINVAL);
2572 /* if stream_copy is selected, no need to decode or encode */
2573 enc_ctx->codec_id = dec_ctx->codec_id;
2574 enc_ctx->codec_type = dec_ctx->codec_type;
2576 if (!enc_ctx->codec_tag) {
2577 unsigned int codec_tag;
2578 if (!oc->oformat->codec_tag ||
2579 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2580 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2581 enc_ctx->codec_tag = dec_ctx->codec_tag;
2584 enc_ctx->bit_rate = dec_ctx->bit_rate;
2585 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2586 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2587 enc_ctx->field_order = dec_ctx->field_order;
2588 enc_ctx->extradata = av_mallocz(extra_size);
2589 if (!enc_ctx->extradata) {
2590 return AVERROR(ENOMEM);
2592 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2593 enc_ctx->extradata_size= dec_ctx->extradata_size;
2594 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2596 enc_ctx->time_base = ist->st->time_base;
2598 * Avi is a special case here because it supports variable fps but
2599 * having the fps and timebase differe significantly adds quite some
2602 if(!strcmp(oc->oformat->name, "avi")) {
2603 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2604 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2605 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2606 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2608 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2609 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2610 enc_ctx->ticks_per_frame = 2;
2611 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2612 && av_q2d(ist->st->time_base) < 1.0/500
2614 enc_ctx->time_base = dec_ctx->time_base;
2615 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2616 enc_ctx->time_base.den *= 2;
2617 enc_ctx->ticks_per_frame = 2;
2619 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2620 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2621 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2622 && strcmp(oc->oformat->name, "f4v")
2624 if( copy_tb<0 && dec_ctx->time_base.den
2625 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2626 && av_q2d(ist->st->time_base) < 1.0/500
2628 enc_ctx->time_base = dec_ctx->time_base;
2629 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2632 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2633 && dec_ctx->time_base.num < dec_ctx->time_base.den
2634 && dec_ctx->time_base.num > 0
2635 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2636 enc_ctx->time_base = dec_ctx->time_base;
2639 if (ist && !ost->frame_rate.num)
2640 ost->frame_rate = ist->framerate;
2641 if(ost->frame_rate.num)
2642 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2644 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2645 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2647 if (ist->st->nb_side_data) {
2648 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2649 sizeof(*ist->st->side_data));
2650 if (!ost->st->side_data)
2651 return AVERROR(ENOMEM);
2653 for (j = 0; j < ist->st->nb_side_data; j++) {
2654 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2655 AVPacketSideData *sd_dst = &ost->st->side_data[j];
2657 sd_dst->data = av_malloc(sd_src->size);
2659 return AVERROR(ENOMEM);
2660 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2661 sd_dst->size = sd_src->size;
2662 sd_dst->type = sd_src->type;
2663 ost->st->nb_side_data++;
2667 ost->parser = av_parser_init(enc_ctx->codec_id);
2669 switch (enc_ctx->codec_type) {
2670 case AVMEDIA_TYPE_AUDIO:
2671 if (audio_volume != 256) {
2672 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2675 enc_ctx->channel_layout = dec_ctx->channel_layout;
2676 enc_ctx->sample_rate = dec_ctx->sample_rate;
2677 enc_ctx->channels = dec_ctx->channels;
2678 enc_ctx->frame_size = dec_ctx->frame_size;
2679 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2680 enc_ctx->block_align = dec_ctx->block_align;
2681 enc_ctx->initial_padding = dec_ctx->delay;
2682 #if FF_API_AUDIOENC_DELAY
2683 enc_ctx->delay = dec_ctx->delay;
2685 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2686 enc_ctx->block_align= 0;
2687 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2688 enc_ctx->block_align= 0;
2690 case AVMEDIA_TYPE_VIDEO:
2691 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2692 enc_ctx->width = dec_ctx->width;
2693 enc_ctx->height = dec_ctx->height;
2694 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2695 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2697 av_mul_q(ost->frame_aspect_ratio,
2698 (AVRational){ enc_ctx->height, enc_ctx->width });
2699 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2700 "with stream copy may produce invalid files\n");
2702 else if (ist->st->sample_aspect_ratio.num)
2703 sar = ist->st->sample_aspect_ratio;
2705 sar = dec_ctx->sample_aspect_ratio;
2706 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2707 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2709 case AVMEDIA_TYPE_SUBTITLE:
2710 enc_ctx->width = dec_ctx->width;
2711 enc_ctx->height = dec_ctx->height;
2713 case AVMEDIA_TYPE_DATA:
2714 case AVMEDIA_TYPE_ATTACHMENT:
2721 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2723 /* should only happen when a default codec is not present. */
2724 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2725 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2726 ret = AVERROR(EINVAL);
2731 ist->decoding_needed |= DECODING_FOR_OST;
2732 ost->encoding_needed = 1;
2734 set_encoder_id(output_files[ost->file_index], ost);
2737 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2738 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2740 fg = init_simple_filtergraph(ist, ost);
2741 if (configure_filtergraph(fg)) {
2742 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2747 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2748 if (ost->filter && !ost->frame_rate.num)
2749 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2750 if (ist && !ost->frame_rate.num)
2751 ost->frame_rate = ist->framerate;
2752 if (ist && !ost->frame_rate.num)
2753 ost->frame_rate = ist->st->r_frame_rate;
2754 if (ist && !ost->frame_rate.num) {
2755 ost->frame_rate = (AVRational){25, 1};
2756 av_log(NULL, AV_LOG_WARNING,
2758 "about the input framerate is available. Falling "
2759 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2760 "if you want a different framerate.\n",
2761 ost->file_index, ost->index);
2763 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2764 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2765 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2766 ost->frame_rate = ost->enc->supported_framerates[idx];
2768 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2769 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2770 ost->frame_rate.num, ost->frame_rate.den, 65535);
2774 switch (enc_ctx->codec_type) {
2775 case AVMEDIA_TYPE_AUDIO:
2776 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2777 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2778 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2779 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2780 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2782 case AVMEDIA_TYPE_VIDEO:
2783 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2784 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2785 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2786 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2787 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2788 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2789 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2791 for (j = 0; j < ost->forced_kf_count; j++)
2792 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2794 enc_ctx->time_base);
2796 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2797 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2798 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2799 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2800 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2801 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2802 if (!strncmp(ost->enc->name, "libx264", 7) &&
2803 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2804 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2805 av_log(NULL, AV_LOG_WARNING,
2806 "No pixel format specified, %s for H.264 encoding chosen.\n"
2807 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2808 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2809 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2810 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2811 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2812 av_log(NULL, AV_LOG_WARNING,
2813 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2814 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2815 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2816 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2818 ost->st->avg_frame_rate = ost->frame_rate;
2821 enc_ctx->width != dec_ctx->width ||
2822 enc_ctx->height != dec_ctx->height ||
2823 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2824 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2827 if (ost->forced_keyframes) {
2828 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2829 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2830 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2832 av_log(NULL, AV_LOG_ERROR,
2833 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2836 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2837 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2838 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2839 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2841 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2845 case AVMEDIA_TYPE_SUBTITLE:
2846 enc_ctx->time_base = (AVRational){1, 1000};
2847 if (!enc_ctx->width) {
2848 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2849 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2857 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2858 char logfilename[1024];
2861 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2862 ost->logfile_prefix ? ost->logfile_prefix :
2863 DEFAULT_PASS_LOGFILENAME_PREFIX,
2865 if (!strcmp(ost->enc->name, "libx264")) {
2866 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2868 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2870 size_t logbuffer_size;
2871 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2872 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2876 enc_ctx->stats_in = logbuffer;
2878 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2879 f = av_fopen_utf8(logfilename, "wb");
2881 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2882 logfilename, strerror(errno));
2892 /* open each encoder */
2893 for (i = 0; i < nb_output_streams; i++) {
2894 ost = output_streams[i];
2895 if (ost->encoding_needed) {
2896 AVCodec *codec = ost->enc;
2897 AVCodecContext *dec = NULL;
2899 if ((ist = get_input_stream(ost)))
2901 if (dec && dec->subtitle_header) {
2902 /* ASS code assumes this buffer is null terminated so add extra byte. */
2903 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2904 if (!ost->enc_ctx->subtitle_header) {
2905 ret = AVERROR(ENOMEM);
2908 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2909 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2911 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2912 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2913 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
2915 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2916 if (ret == AVERROR_EXPERIMENTAL)
2917 abort_codec_experimental(codec, 1);
2918 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2919 ost->file_index, ost->index);
2922 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2923 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2924 av_buffersink_set_frame_size(ost->filter->filter,
2925 ost->enc_ctx->frame_size);
2926 assert_avoptions(ost->encoder_opts);
2927 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2928 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2929 " It takes bits/s as argument, not kbits/s\n");
2931 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
2933 av_log(NULL, AV_LOG_FATAL,
2934 "Error setting up codec context options.\n");
2939 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2941 av_log(NULL, AV_LOG_FATAL,
2942 "Error initializing the output stream codec context.\n");
2945 ost->st->codec->codec= ost->enc_ctx->codec;
2947 // copy timebase while removing common factors
2948 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
2951 /* init input streams */
2952 for (i = 0; i < nb_input_streams; i++)
2953 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2954 for (i = 0; i < nb_output_streams; i++) {
2955 ost = output_streams[i];
2956 avcodec_close(ost->enc_ctx);
2961 /* discard unused programs */
2962 for (i = 0; i < nb_input_files; i++) {
2963 InputFile *ifile = input_files[i];
2964 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2965 AVProgram *p = ifile->ctx->programs[j];
2966 int discard = AVDISCARD_ALL;
2968 for (k = 0; k < p->nb_stream_indexes; k++)
2969 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2970 discard = AVDISCARD_DEFAULT;
2973 p->discard = discard;
2977 /* open files and write file headers */
2978 for (i = 0; i < nb_output_files; i++) {
2979 oc = output_files[i]->ctx;
2980 oc->interrupt_callback = int_cb;
2981 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2982 snprintf(error, sizeof(error),
2983 "Could not write header for output file #%d "
2984 "(incorrect codec parameters ?): %s",
2985 i, av_err2str(ret));
2986 ret = AVERROR(EINVAL);
2989 // assert_avoptions(output_files[i]->opts);
2990 if (strcmp(oc->oformat->name, "rtp")) {
2996 /* dump the file output parameters - cannot be done before in case
2998 for (i = 0; i < nb_output_files; i++) {
2999 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3002 /* dump the stream mapping */
3003 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3004 for (i = 0; i < nb_input_streams; i++) {
3005 ist = input_streams[i];
3007 for (j = 0; j < ist->nb_filters; j++) {
3008 if (ist->filters[j]->graph->graph_desc) {
3009 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3010 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3011 ist->filters[j]->name);
3012 if (nb_filtergraphs > 1)
3013 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3014 av_log(NULL, AV_LOG_INFO, "\n");
3019 for (i = 0; i < nb_output_streams; i++) {
3020 ost = output_streams[i];
3022 if (ost->attachment_filename) {
3023 /* an attached file */
3024 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3025 ost->attachment_filename, ost->file_index, ost->index);
3029 if (ost->filter && ost->filter->graph->graph_desc) {
3030 /* output from a complex graph */
3031 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3032 if (nb_filtergraphs > 1)
3033 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3035 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3036 ost->index, ost->enc ? ost->enc->name : "?");
3040 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3041 input_streams[ost->source_index]->file_index,
3042 input_streams[ost->source_index]->st->index,
3045 if (ost->sync_ist != input_streams[ost->source_index])
3046 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3047 ost->sync_ist->file_index,
3048 ost->sync_ist->st->index);
3049 if (ost->stream_copy)
3050 av_log(NULL, AV_LOG_INFO, " (copy)");
3052 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3053 const AVCodec *out_codec = ost->enc;
3054 const char *decoder_name = "?";
3055 const char *in_codec_name = "?";
3056 const char *encoder_name = "?";
3057 const char *out_codec_name = "?";
3060 decoder_name = in_codec->name;
3061 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
3062 if (!strcmp(decoder_name, in_codec_name))
3063 decoder_name = "native";
3067 encoder_name = out_codec->name;
3068 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3069 if (!strcmp(encoder_name, out_codec_name))
3070 encoder_name = "native";
3073 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3074 in_codec_name, decoder_name,
3075 out_codec_name, encoder_name);
3077 av_log(NULL, AV_LOG_INFO, "\n");
3081 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3089 transcode_init_done = 1;
3094 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3095 static int need_output(void)
3099 for (i = 0; i < nb_output_streams; i++) {
3100 OutputStream *ost = output_streams[i];
3101 OutputFile *of = output_files[ost->file_index];
3102 AVFormatContext *os = output_files[ost->file_index]->ctx;
3104 if (ost->finished ||
3105 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3107 if (ost->frame_number >= ost->max_frames) {
3109 for (j = 0; j < of->ctx->nb_streams; j++)
3110 close_output_stream(output_streams[of->ost_index + j]);
3121 * Select the output stream to process.
3123 * @return selected output stream, or NULL if none available
3125 static OutputStream *choose_output(void)
3128 int64_t opts_min = INT64_MAX;
3129 OutputStream *ost_min = NULL;
3131 for (i = 0; i < nb_output_streams; i++) {
3132 OutputStream *ost = output_streams[i];
3133 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3135 if (!ost->finished && opts < opts_min) {
3137 ost_min = ost->unavailable ? NULL : ost;
3143 static int check_keyboard_interaction(int64_t cur_time)
3146 static int64_t last_time;
3147 if (received_nb_signals)
3148 return AVERROR_EXIT;
3149 /* read_key() returns 0 on EOF */
3150 if(cur_time - last_time >= 100000 && !run_as_daemon){
3152 last_time = cur_time;
3156 return AVERROR_EXIT;
3157 if (key == '+') av_log_set_level(av_log_get_level()+10);
3158 if (key == '-') av_log_set_level(av_log_get_level()-10);
3159 if (key == 's') qp_hist ^= 1;
3162 do_hex_dump = do_pkt_dump = 0;
3163 } else if(do_pkt_dump){
3167 av_log_set_level(AV_LOG_DEBUG);
3169 if (key == 'c' || key == 'C'){
3170 char buf[4096], target[64], command[256], arg[256] = {0};
3173 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3175 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3180 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3181 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3182 target, time, command, arg);
3183 for (i = 0; i < nb_filtergraphs; i++) {
3184 FilterGraph *fg = filtergraphs[i];
3187 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3188 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3189 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3190 } else if (key == 'c') {
3191 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3192 ret = AVERROR_PATCHWELCOME;
3194 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3199 av_log(NULL, AV_LOG_ERROR,
3200 "Parse error, at least 3 arguments were expected, "
3201 "only %d given in string '%s'\n", n, buf);
3204 if (key == 'd' || key == 'D'){
3207 debug = input_streams[0]->st->codec->debug<<1;
3208 if(!debug) debug = 1;
3209 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3212 if(scanf("%d", &debug)!=1)
3213 fprintf(stderr,"error parsing debug value\n");
3214 for(i=0;i<nb_input_streams;i++) {
3215 input_streams[i]->st->codec->debug = debug;
3217 for(i=0;i<nb_output_streams;i++) {
3218 OutputStream *ost = output_streams[i];
3219 ost->enc_ctx->debug = debug;
3221 if(debug) av_log_set_level(AV_LOG_DEBUG);
3222 fprintf(stderr,"debug=%d\n", debug);
3225 fprintf(stderr, "key function\n"
3226 "? show this help\n"
3227 "+ increase verbosity\n"
3228 "- decrease verbosity\n"
3229 "c Send command to first matching filter supporting it\n"
3230 "C Send/Que command to all matching filters\n"
3231 "D cycle through available debug modes\n"
3232 "h dump packets/hex press to cycle through the 3 states\n"
3234 "s Show QP histogram\n"
3241 static void *input_thread(void *arg)
3248 ret = av_read_frame(f->ctx, &pkt);
3250 if (ret == AVERROR(EAGAIN)) {
3255 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3258 av_dup_packet(&pkt);
3259 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3261 if (ret != AVERROR_EOF)
3262 av_log(f->ctx, AV_LOG_ERROR,
3263 "Unable to send packet to main thread: %s\n",
3265 av_free_packet(&pkt);
3266 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3274 static void free_input_threads(void)
3278 for (i = 0; i < nb_input_files; i++) {
3279 InputFile *f = input_files[i];
3282 if (!f->in_thread_queue)
3284 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3285 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3286 av_free_packet(&pkt);
3288 pthread_join(f->thread, NULL);
3290 av_thread_message_queue_free(&f->in_thread_queue);
3294 static int init_input_threads(void)
3298 if (nb_input_files == 1)
3301 for (i = 0; i < nb_input_files; i++) {
3302 InputFile *f = input_files[i];
3304 if (f->ctx->pb ? !f->ctx->pb->seekable :
3305 strcmp(f->ctx->iformat->name, "lavfi"))
3306 f->non_blocking = 1;
3307 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3308 8, sizeof(AVPacket));
3312 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3313 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3314 av_thread_message_queue_free(&f->in_thread_queue);
3315 return AVERROR(ret);
3321 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3323 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3325 AV_THREAD_MESSAGE_NONBLOCK : 0);
3329 static int get_input_packet(InputFile *f, AVPacket *pkt)
3333 for (i = 0; i < f->nb_streams; i++) {
3334 InputStream *ist = input_streams[f->ist_index + i];
3335 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3336 int64_t now = av_gettime_relative() - ist->start;
3338 return AVERROR(EAGAIN);
3343 if (nb_input_files > 1)
3344 return get_input_packet_mt(f, pkt);
3346 return av_read_frame(f->ctx, pkt);
3349 static int got_eagain(void)
3352 for (i = 0; i < nb_output_streams; i++)
3353 if (output_streams[i]->unavailable)
3358 static void reset_eagain(void)
3361 for (i = 0; i < nb_input_files; i++)
3362 input_files[i]->eagain = 0;
3363 for (i = 0; i < nb_output_streams; i++)
3364 output_streams[i]->unavailable = 0;
3369 * - 0 -- one packet was read and processed
3370 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3371 * this function should be called again
3372 * - AVERROR_EOF -- this function should not be called again
3374 static int process_input(int file_index)
3376 InputFile *ifile = input_files[file_index];
3377 AVFormatContext *is;
3383 ret = get_input_packet(ifile, &pkt);
3385 if (ret == AVERROR(EAGAIN)) {
3390 if (ret != AVERROR_EOF) {
3391 print_error(is->filename, ret);
3396 for (i = 0; i < ifile->nb_streams; i++) {
3397 ist = input_streams[ifile->ist_index + i];
3398 if (ist->decoding_needed) {
3399 ret = process_input_packet(ist, NULL);
3404 /* mark all outputs that don't go through lavfi as finished */
3405 for (j = 0; j < nb_output_streams; j++) {
3406 OutputStream *ost = output_streams[j];
3408 if (ost->source_index == ifile->ist_index + i &&
3409 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3410 finish_output_stream(ost);
3414 ifile->eof_reached = 1;
3415 return AVERROR(EAGAIN);
3421 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3422 is->streams[pkt.stream_index]);
3424 /* the following test is needed in case new streams appear
3425 dynamically in stream : we ignore them */
3426 if (pkt.stream_index >= ifile->nb_streams) {
3427 report_new_stream(file_index, &pkt);
3428 goto discard_packet;
3431 ist = input_streams[ifile->ist_index + pkt.stream_index];
3433 ist->data_size += pkt.size;
3437 goto discard_packet;
3440 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3441 "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",
3442 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3443 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3444 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3445 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3446 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3447 av_ts2str(input_files[ist->file_index]->ts_offset),
3448 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3451 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3452 int64_t stime, stime2;
3453 // Correcting starttime based on the enabled streams
3454 // 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.
3455 // so we instead do it here as part of discontinuity handling
3456 if ( ist->next_dts == AV_NOPTS_VALUE
3457 && ifile->ts_offset == -is->start_time
3458 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3459 int64_t new_start_time = INT64_MAX;
3460 for (i=0; i<is->nb_streams; i++) {
3461 AVStream *st = is->streams[i];
3462 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3464 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3466 if (new_start_time > is->start_time) {
3467 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3468 ifile->ts_offset = -new_start_time;
3472 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3473 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3474 ist->wrap_correction_done = 1;
3476 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3477 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3478 ist->wrap_correction_done = 0;
3480 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3481 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3482 ist->wrap_correction_done = 0;
3486 /* add the stream-global side data to the first packet */
3487 if (ist->nb_packets == 1) {
3488 if (ist->st->nb_side_data)
3489 av_packet_split_side_data(&pkt);
3490 for (i = 0; i < ist->st->nb_side_data; i++) {
3491 AVPacketSideData *src_sd = &ist->st->side_data[i];
3494 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3497 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3501 memcpy(dst_data, src_sd->data, src_sd->size);
3505 if (pkt.dts != AV_NOPTS_VALUE)
3506 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3507 if (pkt.pts != AV_NOPTS_VALUE)
3508 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3510 if (pkt.pts != AV_NOPTS_VALUE)
3511 pkt.pts *= ist->ts_scale;
3512 if (pkt.dts != AV_NOPTS_VALUE)
3513 pkt.dts *= ist->ts_scale;
3515 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3516 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3517 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3518 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3519 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3520 int64_t delta = pkt_dts - ifile->last_ts;
3521 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3522 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3523 ifile->ts_offset -= delta;
3524 av_log(NULL, AV_LOG_DEBUG,
3525 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3526 delta, ifile->ts_offset);
3527 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3528 if (pkt.pts != AV_NOPTS_VALUE)
3529 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3533 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3534 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3535 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3537 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3538 int64_t delta = pkt_dts - ist->next_dts;
3539 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3540 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3541 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3542 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3543 ifile->ts_offset -= delta;
3544 av_log(NULL, AV_LOG_DEBUG,
3545 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3546 delta, ifile->ts_offset);
3547 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3548 if (pkt.pts != AV_NOPTS_VALUE)
3549 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3552 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3553 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3554 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3555 pkt.dts = AV_NOPTS_VALUE;
3557 if (pkt.pts != AV_NOPTS_VALUE){
3558 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3559 delta = pkt_pts - ist->next_dts;
3560 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3561 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3562 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3563 pkt.pts = AV_NOPTS_VALUE;
3569 if (pkt.dts != AV_NOPTS_VALUE)
3570 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3573 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",
3574 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3575 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3576 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3577 av_ts2str(input_files[ist->file_index]->ts_offset),
3578 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3581 sub2video_heartbeat(ist, pkt.pts);
3583 ret = process_input_packet(ist, &pkt);
3585 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3586 ist->file_index, ist->st->index, av_err2str(ret));
3592 av_free_packet(&pkt);
3598 * Perform a step of transcoding for the specified filter graph.
3600 * @param[in] graph filter graph to consider
3601 * @param[out] best_ist input stream where a frame would allow to continue
3602 * @return 0 for success, <0 for error
3604 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3607 int nb_requests, nb_requests_max = 0;
3608 InputFilter *ifilter;
3612 ret = avfilter_graph_request_oldest(graph->graph);
3614 return reap_filters();
3616 if (ret == AVERROR_EOF) {
3617 ret = reap_filters();
3618 for (i = 0; i < graph->nb_outputs; i++)
3619 close_output_stream(graph->outputs[i]->ost);
3622 if (ret != AVERROR(EAGAIN))
3625 for (i = 0; i < graph->nb_inputs; i++) {
3626 ifilter = graph->inputs[i];
3628 if (input_files[ist->file_index]->eagain ||
3629 input_files[ist->file_index]->eof_reached)
3631 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3632 if (nb_requests > nb_requests_max) {
3633 nb_requests_max = nb_requests;
3639 for (i = 0; i < graph->nb_outputs; i++)
3640 graph->outputs[i]->ost->unavailable = 1;
3646 * Run a single step of transcoding.
3648 * @return 0 for success, <0 for error
3650 static int transcode_step(void)
3656 ost = choose_output();
3663 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3668 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3673 av_assert0(ost->source_index >= 0);
3674 ist = input_streams[ost->source_index];
3677 ret = process_input(ist->file_index);
3678 if (ret == AVERROR(EAGAIN)) {
3679 if (input_files[ist->file_index]->eagain)
3680 ost->unavailable = 1;
3684 return ret == AVERROR_EOF ? 0 : ret;
3686 return reap_filters();
3690 * The following code is the main loop of the file converter
3692 static int transcode(void)
3695 AVFormatContext *os;
3698 int64_t timer_start;
3700 ret = transcode_init();
3704 if (stdin_interaction) {
3705 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3708 timer_start = av_gettime_relative();
3711 if ((ret = init_input_threads()) < 0)
3715 while (!received_sigterm) {
3716 int64_t cur_time= av_gettime_relative();
3718 /* if 'q' pressed, exits */
3719 if (stdin_interaction)
3720 if (check_keyboard_interaction(cur_time) < 0)
3723 /* check if there's any stream where output is still needed */
3724 if (!need_output()) {
3725 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3729 ret = transcode_step();
3731 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3734 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3738 /* dump report by using the output first video and audio streams */
3739 print_report(0, timer_start, cur_time);
3742 free_input_threads();
3745 /* at the end of stream, we must flush the decoder buffers */
3746 for (i = 0; i < nb_input_streams; i++) {
3747 ist = input_streams[i];
3748 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3749 process_input_packet(ist, NULL);
3756 /* write the trailer if needed and close file */
3757 for (i = 0; i < nb_output_files; i++) {
3758 os = output_files[i]->ctx;
3759 av_write_trailer(os);
3762 /* dump report by using the first video and audio streams */
3763 print_report(1, timer_start, av_gettime_relative());
3765 /* close each encoder */
3766 for (i = 0; i < nb_output_streams; i++) {
3767 ost = output_streams[i];
3768 if (ost->encoding_needed) {
3769 av_freep(&ost->enc_ctx->stats_in);
3773 /* close each decoder */
3774 for (i = 0; i < nb_input_streams; i++) {
3775 ist = input_streams[i];
3776 if (ist->decoding_needed) {
3777 avcodec_close(ist->dec_ctx);
3778 if (ist->hwaccel_uninit)
3779 ist->hwaccel_uninit(ist->dec_ctx);
3788 free_input_threads();
3791 if (output_streams) {
3792 for (i = 0; i < nb_output_streams; i++) {
3793 ost = output_streams[i];
3796 fclose(ost->logfile);
3797 ost->logfile = NULL;
3799 av_freep(&ost->forced_kf_pts);
3800 av_freep(&ost->apad);
3801 av_dict_free(&ost->encoder_opts);
3802 av_dict_free(&ost->swr_opts);
3803 av_dict_free(&ost->resample_opts);
3811 static int64_t getutime(void)
3814 struct rusage rusage;
3816 getrusage(RUSAGE_SELF, &rusage);
3817 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3818 #elif HAVE_GETPROCESSTIMES
3820 FILETIME c, e, k, u;
3821 proc = GetCurrentProcess();
3822 GetProcessTimes(proc, &c, &e, &k, &u);
3823 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3825 return av_gettime_relative();
3829 static int64_t getmaxrss(void)
3831 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3832 struct rusage rusage;
3833 getrusage(RUSAGE_SELF, &rusage);
3834 return (int64_t)rusage.ru_maxrss * 1024;
3835 #elif HAVE_GETPROCESSMEMORYINFO
3837 PROCESS_MEMORY_COUNTERS memcounters;
3838 proc = GetCurrentProcess();
3839 memcounters.cb = sizeof(memcounters);
3840 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3841 return memcounters.PeakPagefileUsage;
3847 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3851 int main(int argc, char **argv)
3856 register_exit(ffmpeg_cleanup);
3858 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3860 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3861 parse_loglevel(argc, argv, options);
3863 if(argc>1 && !strcmp(argv[1], "-d")){
3865 av_log_set_callback(log_callback_null);
3870 avcodec_register_all();
3872 avdevice_register_all();
3874 avfilter_register_all();
3876 avformat_network_init();
3878 show_banner(argc, argv, options);
3882 /* parse options and open all input/output files */
3883 ret = ffmpeg_parse_options(argc, argv);
3887 if (nb_output_files <= 0 && nb_input_files == 0) {
3889 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3893 /* file converter / grab */
3894 if (nb_output_files <= 0) {
3895 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3899 // if (nb_input_files == 0) {
3900 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3904 current_time = ti = getutime();
3905 if (transcode() < 0)
3907 ti = getutime() - ti;
3909 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3911 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3912 decode_error_stat[0], decode_error_stat[1]);
3913 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3916 exit_program(received_nb_signals ? 255 : main_return_code);
3917 return main_return_code;