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 AVDictionaryEntry *bsf_arg = av_dict_get(ost->bsf_args,
629 int a = av_bitstream_filter_filter(bsfc, avctx,
630 bsf_arg ? bsf_arg->value : NULL,
631 &new_pkt.data, &new_pkt.size,
632 pkt->data, pkt->size,
633 pkt->flags & AV_PKT_FLAG_KEY);
634 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
635 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
637 memcpy(t, new_pkt.data, new_pkt.size);
638 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
646 pkt->side_data = NULL;
647 pkt->side_data_elems = 0;
649 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
650 av_buffer_default_free, NULL, 0);
654 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
655 bsfc->filter->name, pkt->stream_index,
656 avctx->codec ? avctx->codec->name : "copy");
666 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
667 if (pkt->dts != AV_NOPTS_VALUE &&
668 pkt->pts != AV_NOPTS_VALUE &&
669 pkt->dts > pkt->pts) {
670 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
672 ost->file_index, ost->st->index);
674 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
675 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
676 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
679 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
680 pkt->dts != AV_NOPTS_VALUE &&
681 ost->last_mux_dts != AV_NOPTS_VALUE) {
682 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
683 if (pkt->dts < max) {
684 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
685 av_log(s, loglevel, "Non-monotonous DTS in output stream "
686 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
687 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
689 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
692 av_log(s, loglevel, "changing to %"PRId64". This may result "
693 "in incorrect timestamps in the output file.\n",
695 if(pkt->pts >= pkt->dts)
696 pkt->pts = FFMAX(pkt->pts, max);
701 ost->last_mux_dts = pkt->dts;
703 ost->data_size += pkt->size;
704 ost->packets_written++;
706 pkt->stream_index = ost->index;
709 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
710 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
711 av_get_media_type_string(ost->enc_ctx->codec_type),
712 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
713 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
718 ret = av_interleaved_write_frame(s, pkt);
720 print_error("av_interleaved_write_frame()", ret);
721 main_return_code = 1;
722 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
727 static void close_output_stream(OutputStream *ost)
729 OutputFile *of = output_files[ost->file_index];
731 ost->finished |= ENCODER_FINISHED;
733 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
734 of->recording_time = FFMIN(of->recording_time, end);
738 static int check_recording_time(OutputStream *ost)
740 OutputFile *of = output_files[ost->file_index];
742 if (of->recording_time != INT64_MAX &&
743 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
744 AV_TIME_BASE_Q) >= 0) {
745 close_output_stream(ost);
751 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
754 AVCodecContext *enc = ost->enc_ctx;
758 av_init_packet(&pkt);
762 if (!check_recording_time(ost))
765 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
766 frame->pts = ost->sync_opts;
767 ost->sync_opts = frame->pts + frame->nb_samples;
768 ost->samples_encoded += frame->nb_samples;
769 ost->frames_encoded++;
771 av_assert0(pkt.size || !pkt.data);
772 update_benchmark(NULL);
774 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
775 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
776 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
777 enc->time_base.num, enc->time_base.den);
780 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
781 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
784 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
787 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
790 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
791 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
792 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
793 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
796 write_frame(s, &pkt, ost);
800 static void do_subtitle_out(AVFormatContext *s,
805 int subtitle_out_max_size = 1024 * 1024;
806 int subtitle_out_size, nb, i;
811 if (sub->pts == AV_NOPTS_VALUE) {
812 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
821 subtitle_out = av_malloc(subtitle_out_max_size);
824 /* Note: DVB subtitle need one packet to draw them and one other
825 packet to clear them */
826 /* XXX: signal it in the codec context ? */
827 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
832 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
834 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
835 pts -= output_files[ost->file_index]->start_time;
836 for (i = 0; i < nb; i++) {
837 unsigned save_num_rects = sub->num_rects;
839 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
840 if (!check_recording_time(ost))
844 // start_display_time is required to be 0
845 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
846 sub->end_display_time -= sub->start_display_time;
847 sub->start_display_time = 0;
851 ost->frames_encoded++;
853 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
854 subtitle_out_max_size, sub);
856 sub->num_rects = save_num_rects;
857 if (subtitle_out_size < 0) {
858 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
862 av_init_packet(&pkt);
863 pkt.data = subtitle_out;
864 pkt.size = subtitle_out_size;
865 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
866 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
867 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
868 /* XXX: the pts correction is handled here. Maybe handling
869 it in the codec would be better */
871 pkt.pts += 90 * sub->start_display_time;
873 pkt.pts += 90 * sub->end_display_time;
876 write_frame(s, &pkt, ost);
880 static void do_video_out(AVFormatContext *s,
882 AVFrame *next_picture)
884 int ret, format_video_sync;
886 AVCodecContext *enc = ost->enc_ctx;
887 AVCodecContext *mux_enc = ost->st->codec;
888 int nb_frames, nb0_frames, i;
889 double sync_ipts, delta, delta0;
892 InputStream *ist = NULL;
894 if (ost->source_index >= 0)
895 ist = input_streams[ost->source_index];
897 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
898 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
900 if (!ost->filters_script &&
904 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
905 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
908 sync_ipts = next_picture->pts;
909 delta0 = sync_ipts - ost->sync_opts;
910 delta = delta0 + duration;
912 /* by default, we output a single frame */
916 format_video_sync = video_sync_method;
917 if (format_video_sync == VSYNC_AUTO) {
918 if(!strcmp(s->oformat->name, "avi")) {
919 format_video_sync = VSYNC_VFR;
921 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
923 && format_video_sync == VSYNC_CFR
924 && input_files[ist->file_index]->ctx->nb_streams == 1
925 && input_files[ist->file_index]->input_ts_offset == 0) {
926 format_video_sync = VSYNC_VSCFR;
928 if (format_video_sync == VSYNC_CFR && copy_ts) {
929 format_video_sync = VSYNC_VSCFR;
935 format_video_sync != VSYNC_PASSTHROUGH &&
936 format_video_sync != VSYNC_DROP) {
937 double cor = FFMIN(-delta0, duration);
938 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
944 switch (format_video_sync) {
946 if (ost->frame_number == 0 && delta - duration >= 0.5) {
947 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
950 ost->sync_opts = lrint(sync_ipts);
953 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
956 else if (delta > 1.1) {
957 nb_frames = lrintf(delta);
959 nb0_frames = lrintf(delta0 - 0.6);
965 else if (delta > 0.6)
966 ost->sync_opts = lrint(sync_ipts);
969 case VSYNC_PASSTHROUGH:
970 ost->sync_opts = lrint(sync_ipts);
976 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
977 nb0_frames = FFMIN(nb0_frames, nb_frames);
978 if (nb0_frames == 0 && ost->last_droped) {
980 av_log(NULL, AV_LOG_VERBOSE,
981 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
982 ost->frame_number, ost->st->index, ost->last_frame->pts);
984 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
985 if (nb_frames > dts_error_threshold * 30) {
986 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
990 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
991 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
993 ost->last_droped = nb_frames == nb0_frames;
995 /* duplicates frame if needed */
996 for (i = 0; i < nb_frames; i++) {
998 av_init_packet(&pkt);
1002 if (i < nb0_frames && ost->last_frame) {
1003 in_picture = ost->last_frame;
1005 in_picture = next_picture;
1007 in_picture->pts = ost->sync_opts;
1010 if (!check_recording_time(ost))
1012 if (ost->frame_number >= ost->max_frames)
1016 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1017 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1018 /* raw pictures are written as AVPicture structure to
1019 avoid any copies. We support temporarily the older
1021 if (in_picture->interlaced_frame)
1022 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1024 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1025 pkt.data = (uint8_t *)in_picture;
1026 pkt.size = sizeof(AVPicture);
1027 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1028 pkt.flags |= AV_PKT_FLAG_KEY;
1030 write_frame(s, &pkt, ost);
1032 int got_packet, forced_keyframe = 0;
1035 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1036 ost->top_field_first >= 0)
1037 in_picture->top_field_first = !!ost->top_field_first;
1039 if (in_picture->interlaced_frame) {
1040 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1041 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1043 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1045 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1047 in_picture->quality = enc->global_quality;
1048 in_picture->pict_type = 0;
1050 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1051 in_picture->pts * av_q2d(enc->time_base) : NAN;
1052 if (ost->forced_kf_index < ost->forced_kf_count &&
1053 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1054 ost->forced_kf_index++;
1055 forced_keyframe = 1;
1056 } else if (ost->forced_keyframes_pexpr) {
1058 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1059 res = av_expr_eval(ost->forced_keyframes_pexpr,
1060 ost->forced_keyframes_expr_const_values, NULL);
1061 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1062 ost->forced_keyframes_expr_const_values[FKF_N],
1063 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1064 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1065 ost->forced_keyframes_expr_const_values[FKF_T],
1066 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1069 forced_keyframe = 1;
1070 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1071 ost->forced_keyframes_expr_const_values[FKF_N];
1072 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1073 ost->forced_keyframes_expr_const_values[FKF_T];
1074 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1077 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1080 if (forced_keyframe) {
1081 in_picture->pict_type = AV_PICTURE_TYPE_I;
1082 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1085 update_benchmark(NULL);
1087 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1088 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1089 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1090 enc->time_base.num, enc->time_base.den);
1093 ost->frames_encoded++;
1095 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1096 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1098 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1104 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1105 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1106 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1107 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1110 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1111 pkt.pts = ost->sync_opts;
1113 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1116 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1117 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1118 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1119 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1122 frame_size = pkt.size;
1123 write_frame(s, &pkt, ost);
1125 /* if two pass, output log */
1126 if (ost->logfile && enc->stats_out) {
1127 fprintf(ost->logfile, "%s", enc->stats_out);
1133 * For video, number of frames in == number of packets out.
1134 * But there may be reordering, so we can't throw away frames on encoder
1135 * flush, we need to limit them here, before they go into encoder.
1137 ost->frame_number++;
1139 if (vstats_filename && frame_size)
1140 do_video_stats(ost, frame_size);
1143 if (!ost->last_frame)
1144 ost->last_frame = av_frame_alloc();
1145 av_frame_unref(ost->last_frame);
1146 av_frame_ref(ost->last_frame, next_picture);
1149 static double psnr(double d)
1151 return -10.0 * log(d) / log(10.0);
1154 static void do_video_stats(OutputStream *ost, int frame_size)
1156 AVCodecContext *enc;
1158 double ti1, bitrate, avg_bitrate;
1160 /* this is executed just the first time do_video_stats is called */
1162 vstats_file = fopen(vstats_filename, "w");
1170 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1171 frame_number = ost->st->nb_frames;
1172 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1173 if (enc->flags&CODEC_FLAG_PSNR)
1174 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1176 fprintf(vstats_file,"f_size= %6d ", frame_size);
1177 /* compute pts value */
1178 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1182 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1183 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1184 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1185 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1186 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1190 static void finish_output_stream(OutputStream *ost)
1192 OutputFile *of = output_files[ost->file_index];
1195 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1198 for (i = 0; i < of->ctx->nb_streams; i++)
1199 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1204 * Get and encode new output from any of the filtergraphs, without causing
1207 * @return 0 for success, <0 for severe errors
1209 static int reap_filters(void)
1211 AVFrame *filtered_frame = NULL;
1215 /* Reap all buffers present in the buffer sinks */
1216 for (i = 0; i < nb_output_streams; i++) {
1217 OutputStream *ost = output_streams[i];
1218 OutputFile *of = output_files[ost->file_index];
1219 AVFilterContext *filter;
1220 AVCodecContext *enc = ost->enc_ctx;
1225 filter = ost->filter->filter;
1227 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1228 return AVERROR(ENOMEM);
1230 filtered_frame = ost->filtered_frame;
1233 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1234 AV_BUFFERSINK_FLAG_NO_REQUEST);
1236 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1237 av_log(NULL, AV_LOG_WARNING,
1238 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1242 if (ost->finished) {
1243 av_frame_unref(filtered_frame);
1246 frame_pts = AV_NOPTS_VALUE;
1247 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1248 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1249 filtered_frame->pts = frame_pts =
1250 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1251 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1253 //if (ost->source_index >= 0)
1254 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1256 switch (filter->inputs[0]->type) {
1257 case AVMEDIA_TYPE_VIDEO:
1258 filtered_frame->pts = frame_pts;
1259 if (!ost->frame_aspect_ratio.num)
1260 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1263 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1264 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1265 enc->time_base.num, enc->time_base.den);
1268 do_video_out(of->ctx, ost, filtered_frame);
1270 case AVMEDIA_TYPE_AUDIO:
1271 filtered_frame->pts = frame_pts;
1272 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1273 enc->channels != av_frame_get_channels(filtered_frame)) {
1274 av_log(NULL, AV_LOG_ERROR,
1275 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1278 do_audio_out(of->ctx, ost, filtered_frame);
1281 // TODO support subtitle filters
1285 av_frame_unref(filtered_frame);
1292 static void print_final_stats(int64_t total_size)
1294 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1295 uint64_t subtitle_size = 0;
1296 uint64_t data_size = 0;
1297 float percent = -1.0;
1300 for (i = 0; i < nb_output_streams; i++) {
1301 OutputStream *ost = output_streams[i];
1302 switch (ost->enc_ctx->codec_type) {
1303 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1304 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1305 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1306 default: other_size += ost->data_size; break;
1308 extra_size += ost->enc_ctx->extradata_size;
1309 data_size += ost->data_size;
1312 if (data_size && total_size>0 && total_size >= data_size)
1313 percent = 100.0 * (total_size - data_size) / data_size;
1315 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: ",
1316 video_size / 1024.0,
1317 audio_size / 1024.0,
1318 subtitle_size / 1024.0,
1319 other_size / 1024.0,
1320 extra_size / 1024.0);
1322 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1324 av_log(NULL, AV_LOG_INFO, "unknown");
1325 av_log(NULL, AV_LOG_INFO, "\n");
1327 /* print verbose per-stream stats */
1328 for (i = 0; i < nb_input_files; i++) {
1329 InputFile *f = input_files[i];
1330 uint64_t total_packets = 0, total_size = 0;
1332 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1333 i, f->ctx->filename);
1335 for (j = 0; j < f->nb_streams; j++) {
1336 InputStream *ist = input_streams[f->ist_index + j];
1337 enum AVMediaType type = ist->dec_ctx->codec_type;
1339 total_size += ist->data_size;
1340 total_packets += ist->nb_packets;
1342 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1343 i, j, media_type_string(type));
1344 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1345 ist->nb_packets, ist->data_size);
1347 if (ist->decoding_needed) {
1348 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1349 ist->frames_decoded);
1350 if (type == AVMEDIA_TYPE_AUDIO)
1351 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1352 av_log(NULL, AV_LOG_VERBOSE, "; ");
1355 av_log(NULL, AV_LOG_VERBOSE, "\n");
1358 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1359 total_packets, total_size);
1362 for (i = 0; i < nb_output_files; i++) {
1363 OutputFile *of = output_files[i];
1364 uint64_t total_packets = 0, total_size = 0;
1366 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1367 i, of->ctx->filename);
1369 for (j = 0; j < of->ctx->nb_streams; j++) {
1370 OutputStream *ost = output_streams[of->ost_index + j];
1371 enum AVMediaType type = ost->enc_ctx->codec_type;
1373 total_size += ost->data_size;
1374 total_packets += ost->packets_written;
1376 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1377 i, j, media_type_string(type));
1378 if (ost->encoding_needed) {
1379 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1380 ost->frames_encoded);
1381 if (type == AVMEDIA_TYPE_AUDIO)
1382 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1383 av_log(NULL, AV_LOG_VERBOSE, "; ");
1386 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1387 ost->packets_written, ost->data_size);
1389 av_log(NULL, AV_LOG_VERBOSE, "\n");
1392 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1393 total_packets, total_size);
1395 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1396 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1400 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1403 AVBPrint buf_script;
1405 AVFormatContext *oc;
1407 AVCodecContext *enc;
1408 int frame_number, vid, i;
1410 int64_t pts = INT64_MIN;
1411 static int64_t last_time = -1;
1412 static int qp_histogram[52];
1413 int hours, mins, secs, us;
1415 if (!print_stats && !is_last_report && !progress_avio)
1418 if (!is_last_report) {
1419 if (last_time == -1) {
1420 last_time = cur_time;
1423 if ((cur_time - last_time) < 500000)
1425 last_time = cur_time;
1429 oc = output_files[0]->ctx;
1431 total_size = avio_size(oc->pb);
1432 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1433 total_size = avio_tell(oc->pb);
1437 av_bprint_init(&buf_script, 0, 1);
1438 for (i = 0; i < nb_output_streams; i++) {
1440 ost = output_streams[i];
1442 if (!ost->stream_copy && enc->coded_frame)
1443 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1444 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1445 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1446 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1447 ost->file_index, ost->index, q);
1449 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1450 float fps, t = (cur_time-timer_start) / 1000000.0;
1452 frame_number = ost->frame_number;
1453 fps = t > 1 ? frame_number / t : 0;
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1455 frame_number, fps < 9.95, fps, q);
1456 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1457 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1458 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1459 ost->file_index, ost->index, q);
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1465 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1467 for (j = 0; j < 32; j++)
1468 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1470 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1472 double error, error_sum = 0;
1473 double scale, scale_sum = 0;
1475 char type[3] = { 'Y','U','V' };
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1477 for (j = 0; j < 3; j++) {
1478 if (is_last_report) {
1479 error = enc->error[j];
1480 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1482 error = enc->coded_frame->error[j];
1483 scale = enc->width * enc->height * 255.0 * 255.0;
1489 p = psnr(error / scale);
1490 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1491 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1492 ost->file_index, ost->index, type[j] | 32, p);
1494 p = psnr(error_sum / scale_sum);
1495 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1496 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1497 ost->file_index, ost->index, p);
1501 /* compute min output value */
1502 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1503 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1504 ost->st->time_base, AV_TIME_BASE_Q));
1506 nb_frames_drop += ost->last_droped;
1509 secs = pts / AV_TIME_BASE;
1510 us = pts % AV_TIME_BASE;
1516 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1518 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1520 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1521 "size=%8.0fkB time=", total_size / 1024.0);
1522 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1523 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1524 (100 * us) / AV_TIME_BASE);
1525 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1527 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1528 "bitrate=%6.1fkbits/s", bitrate);
1529 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1530 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1531 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1532 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1533 hours, mins, secs, us);
1535 if (nb_frames_dup || nb_frames_drop)
1536 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1537 nb_frames_dup, nb_frames_drop);
1538 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1539 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1541 if (print_stats || is_last_report) {
1542 const char end = is_last_report ? '\n' : '\r';
1543 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1544 fprintf(stderr, "%s %c", buf, end);
1546 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1551 if (progress_avio) {
1552 av_bprintf(&buf_script, "progress=%s\n",
1553 is_last_report ? "end" : "continue");
1554 avio_write(progress_avio, buf_script.str,
1555 FFMIN(buf_script.len, buf_script.size - 1));
1556 avio_flush(progress_avio);
1557 av_bprint_finalize(&buf_script, NULL);
1558 if (is_last_report) {
1559 avio_close(progress_avio);
1560 progress_avio = NULL;
1565 print_final_stats(total_size);
1568 static void flush_encoders(void)
1572 for (i = 0; i < nb_output_streams; i++) {
1573 OutputStream *ost = output_streams[i];
1574 AVCodecContext *enc = ost->enc_ctx;
1575 AVFormatContext *os = output_files[ost->file_index]->ctx;
1576 int stop_encoding = 0;
1578 if (!ost->encoding_needed)
1581 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1583 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1587 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1590 switch (enc->codec_type) {
1591 case AVMEDIA_TYPE_AUDIO:
1592 encode = avcodec_encode_audio2;
1595 case AVMEDIA_TYPE_VIDEO:
1596 encode = avcodec_encode_video2;
1607 av_init_packet(&pkt);
1611 update_benchmark(NULL);
1612 ret = encode(enc, &pkt, NULL, &got_packet);
1613 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1615 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1618 if (ost->logfile && enc->stats_out) {
1619 fprintf(ost->logfile, "%s", enc->stats_out);
1625 if (ost->finished & MUXER_FINISHED) {
1626 av_free_packet(&pkt);
1629 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1630 pkt_size = pkt.size;
1631 write_frame(os, &pkt, ost);
1632 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1633 do_video_stats(ost, pkt_size);
1644 * Check whether a packet from ist should be written into ost at this time
1646 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1648 OutputFile *of = output_files[ost->file_index];
1649 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1651 if (ost->source_index != ist_index)
1657 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1663 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1665 OutputFile *of = output_files[ost->file_index];
1666 InputFile *f = input_files [ist->file_index];
1667 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1668 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1669 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1673 av_init_packet(&opkt);
1675 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1676 !ost->copy_initial_nonkeyframes)
1679 if (pkt->pts == AV_NOPTS_VALUE) {
1680 if (!ost->frame_number && ist->pts < start_time &&
1681 !ost->copy_prior_start)
1684 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1685 !ost->copy_prior_start)
1689 if (of->recording_time != INT64_MAX &&
1690 ist->pts >= of->recording_time + start_time) {
1691 close_output_stream(ost);
1695 if (f->recording_time != INT64_MAX) {
1696 start_time = f->ctx->start_time;
1697 if (f->start_time != AV_NOPTS_VALUE)
1698 start_time += f->start_time;
1699 if (ist->pts >= f->recording_time + start_time) {
1700 close_output_stream(ost);
1705 /* force the input stream PTS */
1706 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1709 if (pkt->pts != AV_NOPTS_VALUE)
1710 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1712 opkt.pts = AV_NOPTS_VALUE;
1714 if (pkt->dts == AV_NOPTS_VALUE)
1715 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1717 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1718 opkt.dts -= ost_tb_start_time;
1720 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1721 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1723 duration = ist->dec_ctx->frame_size;
1724 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1725 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1726 ost->st->time_base) - ost_tb_start_time;
1729 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1730 opkt.flags = pkt->flags;
1732 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1733 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1734 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1735 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1736 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1738 if (av_parser_change(ost->parser, ost->st->codec,
1739 &opkt.data, &opkt.size,
1740 pkt->data, pkt->size,
1741 pkt->flags & AV_PKT_FLAG_KEY)) {
1742 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1747 opkt.data = pkt->data;
1748 opkt.size = pkt->size;
1750 av_copy_packet_side_data(&opkt, pkt);
1752 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1753 /* store AVPicture in AVPacket, as expected by the output format */
1754 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1755 opkt.data = (uint8_t *)&pict;
1756 opkt.size = sizeof(AVPicture);
1757 opkt.flags |= AV_PKT_FLAG_KEY;
1760 write_frame(of->ctx, &opkt, ost);
1763 int guess_input_channel_layout(InputStream *ist)
1765 AVCodecContext *dec = ist->dec_ctx;
1767 if (!dec->channel_layout) {
1768 char layout_name[256];
1770 if (dec->channels > ist->guess_layout_max)
1772 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1773 if (!dec->channel_layout)
1775 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1776 dec->channels, dec->channel_layout);
1777 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1778 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1783 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1785 AVFrame *decoded_frame, *f;
1786 AVCodecContext *avctx = ist->dec_ctx;
1787 int i, ret, err = 0, resample_changed;
1788 AVRational decoded_frame_tb;
1790 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1791 return AVERROR(ENOMEM);
1792 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1793 return AVERROR(ENOMEM);
1794 decoded_frame = ist->decoded_frame;
1796 update_benchmark(NULL);
1797 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1798 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1800 if (ret >= 0 && avctx->sample_rate <= 0) {
1801 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1802 ret = AVERROR_INVALIDDATA;
1805 if (*got_output || ret<0 || pkt->size)
1806 decode_error_stat[ret<0] ++;
1808 if (!*got_output || ret < 0) {
1810 for (i = 0; i < ist->nb_filters; i++)
1812 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1814 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1820 ist->samples_decoded += decoded_frame->nb_samples;
1821 ist->frames_decoded++;
1824 /* increment next_dts to use for the case where the input stream does not
1825 have timestamps or there are multiple frames in the packet */
1826 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1828 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1832 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1833 ist->resample_channels != avctx->channels ||
1834 ist->resample_channel_layout != decoded_frame->channel_layout ||
1835 ist->resample_sample_rate != decoded_frame->sample_rate;
1836 if (resample_changed) {
1837 char layout1[64], layout2[64];
1839 if (!guess_input_channel_layout(ist)) {
1840 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1841 "layout for Input Stream #%d.%d\n", ist->file_index,
1845 decoded_frame->channel_layout = avctx->channel_layout;
1847 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1848 ist->resample_channel_layout);
1849 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1850 decoded_frame->channel_layout);
1852 av_log(NULL, AV_LOG_INFO,
1853 "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",
1854 ist->file_index, ist->st->index,
1855 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1856 ist->resample_channels, layout1,
1857 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1858 avctx->channels, layout2);
1860 ist->resample_sample_fmt = decoded_frame->format;
1861 ist->resample_sample_rate = decoded_frame->sample_rate;
1862 ist->resample_channel_layout = decoded_frame->channel_layout;
1863 ist->resample_channels = avctx->channels;
1865 for (i = 0; i < nb_filtergraphs; i++)
1866 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1867 FilterGraph *fg = filtergraphs[i];
1868 if (configure_filtergraph(fg) < 0) {
1869 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1875 /* if the decoder provides a pts, use it instead of the last packet pts.
1876 the decoder could be delaying output by a packet or more. */
1877 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1878 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1879 decoded_frame_tb = avctx->time_base;
1880 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1881 decoded_frame->pts = decoded_frame->pkt_pts;
1882 decoded_frame_tb = ist->st->time_base;
1883 } else if (pkt->pts != AV_NOPTS_VALUE) {
1884 decoded_frame->pts = pkt->pts;
1885 decoded_frame_tb = ist->st->time_base;
1887 decoded_frame->pts = ist->dts;
1888 decoded_frame_tb = AV_TIME_BASE_Q;
1890 pkt->pts = AV_NOPTS_VALUE;
1891 if (decoded_frame->pts != AV_NOPTS_VALUE)
1892 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1893 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1894 (AVRational){1, avctx->sample_rate});
1895 for (i = 0; i < ist->nb_filters; i++) {
1896 if (i < ist->nb_filters - 1) {
1897 f = ist->filter_frame;
1898 err = av_frame_ref(f, decoded_frame);
1903 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1904 AV_BUFFERSRC_FLAG_PUSH);
1905 if (err == AVERROR_EOF)
1906 err = 0; /* ignore */
1910 decoded_frame->pts = AV_NOPTS_VALUE;
1912 av_frame_unref(ist->filter_frame);
1913 av_frame_unref(decoded_frame);
1914 return err < 0 ? err : ret;
1917 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1919 AVFrame *decoded_frame, *f;
1920 int i, ret = 0, err = 0, resample_changed;
1921 int64_t best_effort_timestamp;
1922 AVRational *frame_sample_aspect;
1924 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1925 return AVERROR(ENOMEM);
1926 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1927 return AVERROR(ENOMEM);
1928 decoded_frame = ist->decoded_frame;
1929 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1931 update_benchmark(NULL);
1932 ret = avcodec_decode_video2(ist->dec_ctx,
1933 decoded_frame, got_output, pkt);
1934 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1936 // The following line may be required in some cases where there is no parser
1937 // or the parser does not has_b_frames correctly
1938 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1939 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1940 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1942 av_log_ask_for_sample(
1944 "has_b_frames is larger in decoder than demuxer %d > %d ",
1945 ist->dec_ctx->has_b_frames,
1946 ist->st->codec->has_b_frames
1950 if (*got_output || ret<0 || pkt->size)
1951 decode_error_stat[ret<0] ++;
1953 if (*got_output && ret >= 0) {
1954 if (ist->dec_ctx->width != decoded_frame->width ||
1955 ist->dec_ctx->height != decoded_frame->height ||
1956 ist->dec_ctx->pix_fmt != decoded_frame->format) {
1957 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
1958 decoded_frame->width,
1959 decoded_frame->height,
1960 decoded_frame->format,
1961 ist->dec_ctx->width,
1962 ist->dec_ctx->height,
1963 ist->dec_ctx->pix_fmt);
1967 if (!*got_output || ret < 0) {
1969 for (i = 0; i < ist->nb_filters; i++)
1971 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1973 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1979 if(ist->top_field_first>=0)
1980 decoded_frame->top_field_first = ist->top_field_first;
1982 ist->frames_decoded++;
1984 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1985 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
1989 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1991 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1992 if(best_effort_timestamp != AV_NOPTS_VALUE)
1993 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1996 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1997 "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",
1998 ist->st->index, av_ts2str(decoded_frame->pts),
1999 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2000 best_effort_timestamp,
2001 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2002 decoded_frame->key_frame, decoded_frame->pict_type,
2003 ist->st->time_base.num, ist->st->time_base.den);
2008 if (ist->st->sample_aspect_ratio.num)
2009 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2011 resample_changed = ist->resample_width != decoded_frame->width ||
2012 ist->resample_height != decoded_frame->height ||
2013 ist->resample_pix_fmt != decoded_frame->format;
2014 if (resample_changed) {
2015 av_log(NULL, AV_LOG_INFO,
2016 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2017 ist->file_index, ist->st->index,
2018 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2019 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2021 ist->resample_width = decoded_frame->width;
2022 ist->resample_height = decoded_frame->height;
2023 ist->resample_pix_fmt = decoded_frame->format;
2025 for (i = 0; i < nb_filtergraphs; i++) {
2026 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2027 configure_filtergraph(filtergraphs[i]) < 0) {
2028 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2034 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2035 for (i = 0; i < ist->nb_filters; i++) {
2036 if (!frame_sample_aspect->num)
2037 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2039 if (i < ist->nb_filters - 1) {
2040 f = ist->filter_frame;
2041 err = av_frame_ref(f, decoded_frame);
2046 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2047 if (ret == AVERROR_EOF) {
2048 ret = 0; /* ignore */
2049 } else if (ret < 0) {
2050 av_log(NULL, AV_LOG_FATAL,
2051 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2057 av_frame_unref(ist->filter_frame);
2058 av_frame_unref(decoded_frame);
2059 return err < 0 ? err : ret;
2062 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2064 AVSubtitle subtitle;
2065 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2066 &subtitle, got_output, pkt);
2068 if (*got_output || ret<0 || pkt->size)
2069 decode_error_stat[ret<0] ++;
2071 if (ret < 0 || !*got_output) {
2073 sub2video_flush(ist);
2077 if (ist->fix_sub_duration) {
2079 if (ist->prev_sub.got_output) {
2080 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2081 1000, AV_TIME_BASE);
2082 if (end < ist->prev_sub.subtitle.end_display_time) {
2083 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2084 "Subtitle duration reduced from %d to %d%s\n",
2085 ist->prev_sub.subtitle.end_display_time, end,
2086 end <= 0 ? ", dropping it" : "");
2087 ist->prev_sub.subtitle.end_display_time = end;
2090 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2091 FFSWAP(int, ret, ist->prev_sub.ret);
2092 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2100 sub2video_update(ist, &subtitle);
2102 if (!subtitle.num_rects)
2105 ist->frames_decoded++;
2107 for (i = 0; i < nb_output_streams; i++) {
2108 OutputStream *ost = output_streams[i];
2110 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2111 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2114 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2118 avsubtitle_free(&subtitle);
2122 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2123 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2129 if (!ist->saw_first_ts) {
2130 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;
2132 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2133 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2134 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2136 ist->saw_first_ts = 1;
2139 if (ist->next_dts == AV_NOPTS_VALUE)
2140 ist->next_dts = ist->dts;
2141 if (ist->next_pts == AV_NOPTS_VALUE)
2142 ist->next_pts = ist->pts;
2146 av_init_packet(&avpkt);
2154 if (pkt->dts != AV_NOPTS_VALUE) {
2155 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2156 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2157 ist->next_pts = ist->pts = ist->dts;
2160 // while we have more to decode or while the decoder did output something on EOF
2161 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2165 ist->pts = ist->next_pts;
2166 ist->dts = ist->next_dts;
2168 if (avpkt.size && avpkt.size != pkt->size &&
2169 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2170 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2171 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2172 ist->showed_multi_packet_warning = 1;
2175 switch (ist->dec_ctx->codec_type) {
2176 case AVMEDIA_TYPE_AUDIO:
2177 ret = decode_audio (ist, &avpkt, &got_output);
2179 case AVMEDIA_TYPE_VIDEO:
2180 ret = decode_video (ist, &avpkt, &got_output);
2181 if (avpkt.duration) {
2182 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2183 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2184 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2185 duration = ((int64_t)AV_TIME_BASE *
2186 ist->dec_ctx->framerate.den * ticks) /
2187 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2191 if(ist->dts != AV_NOPTS_VALUE && duration) {
2192 ist->next_dts += duration;
2194 ist->next_dts = AV_NOPTS_VALUE;
2197 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2199 case AVMEDIA_TYPE_SUBTITLE:
2200 ret = transcode_subtitles(ist, &avpkt, &got_output);
2210 avpkt.pts= AV_NOPTS_VALUE;
2212 // touch data and size only if not EOF
2214 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2222 if (got_output && !pkt)
2226 /* handle stream copy */
2227 if (!ist->decoding_needed) {
2228 ist->dts = ist->next_dts;
2229 switch (ist->dec_ctx->codec_type) {
2230 case AVMEDIA_TYPE_AUDIO:
2231 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2232 ist->dec_ctx->sample_rate;
2234 case AVMEDIA_TYPE_VIDEO:
2235 if (ist->framerate.num) {
2236 // TODO: Remove work-around for c99-to-c89 issue 7
2237 AVRational time_base_q = AV_TIME_BASE_Q;
2238 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2239 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2240 } else if (pkt->duration) {
2241 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2242 } else if(ist->dec_ctx->framerate.num != 0) {
2243 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2244 ist->next_dts += ((int64_t)AV_TIME_BASE *
2245 ist->dec_ctx->framerate.den * ticks) /
2246 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2250 ist->pts = ist->dts;
2251 ist->next_pts = ist->next_dts;
2253 for (i = 0; pkt && i < nb_output_streams; i++) {
2254 OutputStream *ost = output_streams[i];
2256 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2259 do_streamcopy(ist, ost, pkt);
2265 static void print_sdp(void)
2269 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2273 for (i = 0; i < nb_output_files; i++)
2274 avc[i] = output_files[i]->ctx;
2276 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2277 printf("SDP:\n%s\n", sdp);
2282 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2285 for (i = 0; hwaccels[i].name; i++)
2286 if (hwaccels[i].pix_fmt == pix_fmt)
2287 return &hwaccels[i];
2291 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2293 InputStream *ist = s->opaque;
2294 const enum AVPixelFormat *p;
2297 for (p = pix_fmts; *p != -1; p++) {
2298 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2299 const HWAccel *hwaccel;
2301 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2304 hwaccel = get_hwaccel(*p);
2306 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2307 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2310 ret = hwaccel->init(s);
2312 if (ist->hwaccel_id == hwaccel->id) {
2313 av_log(NULL, AV_LOG_FATAL,
2314 "%s hwaccel requested for input stream #%d:%d, "
2315 "but cannot be initialized.\n", hwaccel->name,
2316 ist->file_index, ist->st->index);
2321 ist->active_hwaccel_id = hwaccel->id;
2322 ist->hwaccel_pix_fmt = *p;
2329 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2331 InputStream *ist = s->opaque;
2333 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2334 return ist->hwaccel_get_buffer(s, frame, flags);
2336 return avcodec_default_get_buffer2(s, frame, flags);
2339 static int init_input_stream(int ist_index, char *error, int error_len)
2342 InputStream *ist = input_streams[ist_index];
2344 if (ist->decoding_needed) {
2345 AVCodec *codec = ist->dec;
2347 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2348 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2349 return AVERROR(EINVAL);
2352 ist->dec_ctx->opaque = ist;
2353 ist->dec_ctx->get_format = get_format;
2354 ist->dec_ctx->get_buffer2 = get_buffer;
2355 ist->dec_ctx->thread_safe_callbacks = 1;
2357 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2358 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2359 (ist->decoding_needed & DECODING_FOR_OST)) {
2360 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2361 if (ist->decoding_needed & DECODING_FOR_FILTER)
2362 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");
2365 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2366 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2367 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2368 if (ret == AVERROR_EXPERIMENTAL)
2369 abort_codec_experimental(codec, 0);
2371 snprintf(error, error_len,
2372 "Error while opening decoder for input stream "
2374 ist->file_index, ist->st->index, av_err2str(ret));
2377 assert_avoptions(ist->decoder_opts);
2380 ist->next_pts = AV_NOPTS_VALUE;
2381 ist->next_dts = AV_NOPTS_VALUE;
2386 static InputStream *get_input_stream(OutputStream *ost)
2388 if (ost->source_index >= 0)
2389 return input_streams[ost->source_index];
2393 static int compare_int64(const void *a, const void *b)
2395 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2396 return va < vb ? -1 : va > vb ? +1 : 0;
2399 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2400 AVCodecContext *avctx)
2403 int n = 1, i, size, index = 0;
2406 for (p = kf; *p; p++)
2410 pts = av_malloc_array(size, sizeof(*pts));
2412 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2417 for (i = 0; i < n; i++) {
2418 char *next = strchr(p, ',');
2423 if (!memcmp(p, "chapters", 8)) {
2425 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2428 if (avf->nb_chapters > INT_MAX - size ||
2429 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2431 av_log(NULL, AV_LOG_FATAL,
2432 "Could not allocate forced key frames array.\n");
2435 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2436 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2438 for (j = 0; j < avf->nb_chapters; j++) {
2439 AVChapter *c = avf->chapters[j];
2440 av_assert1(index < size);
2441 pts[index++] = av_rescale_q(c->start, c->time_base,
2442 avctx->time_base) + t;
2447 t = parse_time_or_die("force_key_frames", p, 1);
2448 av_assert1(index < size);
2449 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2456 av_assert0(index == size);
2457 qsort(pts, size, sizeof(*pts), compare_int64);
2458 ost->forced_kf_count = size;
2459 ost->forced_kf_pts = pts;
2462 static void report_new_stream(int input_index, AVPacket *pkt)
2464 InputFile *file = input_files[input_index];
2465 AVStream *st = file->ctx->streams[pkt->stream_index];
2467 if (pkt->stream_index < file->nb_streams_warn)
2469 av_log(file->ctx, AV_LOG_WARNING,
2470 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2471 av_get_media_type_string(st->codec->codec_type),
2472 input_index, pkt->stream_index,
2473 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2474 file->nb_streams_warn = pkt->stream_index + 1;
2477 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2479 AVDictionaryEntry *e;
2481 uint8_t *encoder_string;
2482 int encoder_string_len;
2483 int format_flags = 0;
2484 int codec_flags = 0;
2486 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2489 e = av_dict_get(of->opts, "fflags", NULL, 0);
2491 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2494 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2496 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2498 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2501 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2504 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2505 encoder_string = av_mallocz(encoder_string_len);
2506 if (!encoder_string)
2509 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2510 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2512 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2513 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2514 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2515 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2518 static int transcode_init(void)
2520 int ret = 0, i, j, k;
2521 AVFormatContext *oc;
2527 for (i = 0; i < nb_filtergraphs; i++) {
2528 FilterGraph *fg = filtergraphs[i];
2529 for (j = 0; j < fg->nb_outputs; j++) {
2530 OutputFilter *ofilter = fg->outputs[j];
2531 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2533 if (fg->nb_inputs != 1)
2535 for (k = nb_input_streams-1; k >= 0 ; k--)
2536 if (fg->inputs[0]->ist == input_streams[k])
2538 ofilter->ost->source_index = k;
2542 /* init framerate emulation */
2543 for (i = 0; i < nb_input_files; i++) {
2544 InputFile *ifile = input_files[i];
2545 if (ifile->rate_emu)
2546 for (j = 0; j < ifile->nb_streams; j++)
2547 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2550 /* output stream init */
2551 for (i = 0; i < nb_output_files; i++) {
2552 oc = output_files[i]->ctx;
2553 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2554 av_dump_format(oc, i, oc->filename, 1);
2555 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2556 return AVERROR(EINVAL);
2560 /* init complex filtergraphs */
2561 for (i = 0; i < nb_filtergraphs; i++)
2562 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2565 /* for each output stream, we compute the right encoding parameters */
2566 for (i = 0; i < nb_output_streams; i++) {
2567 AVCodecContext *enc_ctx;
2568 AVCodecContext *dec_ctx = NULL;
2569 ost = output_streams[i];
2570 oc = output_files[ost->file_index]->ctx;
2571 ist = get_input_stream(ost);
2573 if (ost->attachment_filename)
2576 enc_ctx = ost->enc_ctx;
2579 dec_ctx = ist->dec_ctx;
2581 ost->st->disposition = ist->st->disposition;
2582 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2583 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2585 for (j=0; j<oc->nb_streams; j++) {
2586 AVStream *st = oc->streams[j];
2587 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2590 if (j == oc->nb_streams)
2591 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2592 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2595 if (ost->stream_copy) {
2597 uint64_t extra_size;
2599 av_assert0(ist && !ost->filter);
2601 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2603 if (extra_size > INT_MAX) {
2604 return AVERROR(EINVAL);
2607 /* if stream_copy is selected, no need to decode or encode */
2608 enc_ctx->codec_id = dec_ctx->codec_id;
2609 enc_ctx->codec_type = dec_ctx->codec_type;
2611 if (!enc_ctx->codec_tag) {
2612 unsigned int codec_tag;
2613 if (!oc->oformat->codec_tag ||
2614 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2615 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2616 enc_ctx->codec_tag = dec_ctx->codec_tag;
2619 enc_ctx->bit_rate = dec_ctx->bit_rate;
2620 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2621 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2622 enc_ctx->field_order = dec_ctx->field_order;
2623 enc_ctx->extradata = av_mallocz(extra_size);
2624 if (!enc_ctx->extradata) {
2625 return AVERROR(ENOMEM);
2627 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2628 enc_ctx->extradata_size= dec_ctx->extradata_size;
2629 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2631 enc_ctx->time_base = ist->st->time_base;
2633 * Avi is a special case here because it supports variable fps but
2634 * having the fps and timebase differe significantly adds quite some
2637 if(!strcmp(oc->oformat->name, "avi")) {
2638 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2639 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2640 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2641 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2643 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2644 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2645 enc_ctx->ticks_per_frame = 2;
2646 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2647 && av_q2d(ist->st->time_base) < 1.0/500
2649 enc_ctx->time_base = dec_ctx->time_base;
2650 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2651 enc_ctx->time_base.den *= 2;
2652 enc_ctx->ticks_per_frame = 2;
2654 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2655 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2656 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2657 && strcmp(oc->oformat->name, "f4v")
2659 if( copy_tb<0 && dec_ctx->time_base.den
2660 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2661 && av_q2d(ist->st->time_base) < 1.0/500
2663 enc_ctx->time_base = dec_ctx->time_base;
2664 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2667 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2668 && dec_ctx->time_base.num < dec_ctx->time_base.den
2669 && dec_ctx->time_base.num > 0
2670 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2671 enc_ctx->time_base = dec_ctx->time_base;
2674 if (ist && !ost->frame_rate.num)
2675 ost->frame_rate = ist->framerate;
2676 if(ost->frame_rate.num)
2677 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2679 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2680 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2682 if (ist->st->nb_side_data) {
2683 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2684 sizeof(*ist->st->side_data));
2685 if (!ost->st->side_data)
2686 return AVERROR(ENOMEM);
2688 for (j = 0; j < ist->st->nb_side_data; j++) {
2689 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2690 AVPacketSideData *sd_dst = &ost->st->side_data[j];
2692 sd_dst->data = av_malloc(sd_src->size);
2694 return AVERROR(ENOMEM);
2695 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2696 sd_dst->size = sd_src->size;
2697 sd_dst->type = sd_src->type;
2698 ost->st->nb_side_data++;
2702 ost->parser = av_parser_init(enc_ctx->codec_id);
2704 switch (enc_ctx->codec_type) {
2705 case AVMEDIA_TYPE_AUDIO:
2706 if (audio_volume != 256) {
2707 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2710 enc_ctx->channel_layout = dec_ctx->channel_layout;
2711 enc_ctx->sample_rate = dec_ctx->sample_rate;
2712 enc_ctx->channels = dec_ctx->channels;
2713 enc_ctx->frame_size = dec_ctx->frame_size;
2714 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2715 enc_ctx->block_align = dec_ctx->block_align;
2716 enc_ctx->initial_padding = dec_ctx->delay;
2717 #if FF_API_AUDIOENC_DELAY
2718 enc_ctx->delay = dec_ctx->delay;
2720 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2721 enc_ctx->block_align= 0;
2722 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2723 enc_ctx->block_align= 0;
2725 case AVMEDIA_TYPE_VIDEO:
2726 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2727 enc_ctx->width = dec_ctx->width;
2728 enc_ctx->height = dec_ctx->height;
2729 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2730 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2732 av_mul_q(ost->frame_aspect_ratio,
2733 (AVRational){ enc_ctx->height, enc_ctx->width });
2734 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2735 "with stream copy may produce invalid files\n");
2737 else if (ist->st->sample_aspect_ratio.num)
2738 sar = ist->st->sample_aspect_ratio;
2740 sar = dec_ctx->sample_aspect_ratio;
2741 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2742 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2743 ost->st->r_frame_rate = ist->st->r_frame_rate;
2745 case AVMEDIA_TYPE_SUBTITLE:
2746 enc_ctx->width = dec_ctx->width;
2747 enc_ctx->height = dec_ctx->height;
2749 case AVMEDIA_TYPE_DATA:
2750 case AVMEDIA_TYPE_ATTACHMENT:
2757 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2759 /* should only happen when a default codec is not present. */
2760 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2761 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2762 ret = AVERROR(EINVAL);
2767 ist->decoding_needed |= DECODING_FOR_OST;
2768 ost->encoding_needed = 1;
2770 set_encoder_id(output_files[ost->file_index], ost);
2773 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2774 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2776 fg = init_simple_filtergraph(ist, ost);
2777 if (configure_filtergraph(fg)) {
2778 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2783 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2784 if (ost->filter && !ost->frame_rate.num)
2785 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2786 if (ist && !ost->frame_rate.num)
2787 ost->frame_rate = ist->framerate;
2788 if (ist && !ost->frame_rate.num)
2789 ost->frame_rate = ist->st->r_frame_rate;
2790 if (ist && !ost->frame_rate.num) {
2791 ost->frame_rate = (AVRational){25, 1};
2792 av_log(NULL, AV_LOG_WARNING,
2794 "about the input framerate is available. Falling "
2795 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2796 "if you want a different framerate.\n",
2797 ost->file_index, ost->index);
2799 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2800 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2801 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2802 ost->frame_rate = ost->enc->supported_framerates[idx];
2804 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2805 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2806 ost->frame_rate.num, ost->frame_rate.den, 65535);
2810 switch (enc_ctx->codec_type) {
2811 case AVMEDIA_TYPE_AUDIO:
2812 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2813 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2814 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2815 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2816 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2818 case AVMEDIA_TYPE_VIDEO:
2819 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2820 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2821 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2822 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2823 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2824 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2825 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2827 for (j = 0; j < ost->forced_kf_count; j++)
2828 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2830 enc_ctx->time_base);
2832 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2833 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2834 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2835 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2836 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2837 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2838 if (!strncmp(ost->enc->name, "libx264", 7) &&
2839 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2840 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2841 av_log(NULL, AV_LOG_WARNING,
2842 "No pixel format specified, %s for H.264 encoding chosen.\n"
2843 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2844 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2845 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2846 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2847 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2848 av_log(NULL, AV_LOG_WARNING,
2849 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2850 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2851 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2852 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2854 ost->st->avg_frame_rate = ost->frame_rate;
2857 enc_ctx->width != dec_ctx->width ||
2858 enc_ctx->height != dec_ctx->height ||
2859 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2860 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2863 if (ost->forced_keyframes) {
2864 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2865 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2866 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2868 av_log(NULL, AV_LOG_ERROR,
2869 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2872 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2873 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2874 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2875 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2877 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2881 case AVMEDIA_TYPE_SUBTITLE:
2882 enc_ctx->time_base = (AVRational){1, 1000};
2883 if (!enc_ctx->width) {
2884 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2885 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2893 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2894 char logfilename[1024];
2897 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2898 ost->logfile_prefix ? ost->logfile_prefix :
2899 DEFAULT_PASS_LOGFILENAME_PREFIX,
2901 if (!strcmp(ost->enc->name, "libx264")) {
2902 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2904 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2906 size_t logbuffer_size;
2907 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2908 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2912 enc_ctx->stats_in = logbuffer;
2914 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2915 f = av_fopen_utf8(logfilename, "wb");
2917 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2918 logfilename, strerror(errno));
2928 /* open each encoder */
2929 for (i = 0; i < nb_output_streams; i++) {
2930 ost = output_streams[i];
2931 if (ost->encoding_needed) {
2932 AVCodec *codec = ost->enc;
2933 AVCodecContext *dec = NULL;
2935 if ((ist = get_input_stream(ost)))
2937 if (dec && dec->subtitle_header) {
2938 /* ASS code assumes this buffer is null terminated so add extra byte. */
2939 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2940 if (!ost->enc_ctx->subtitle_header) {
2941 ret = AVERROR(ENOMEM);
2944 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2945 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2947 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2948 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2949 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
2951 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2952 if (ret == AVERROR_EXPERIMENTAL)
2953 abort_codec_experimental(codec, 1);
2954 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2955 ost->file_index, ost->index);
2958 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2959 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2960 av_buffersink_set_frame_size(ost->filter->filter,
2961 ost->enc_ctx->frame_size);
2962 assert_avoptions(ost->encoder_opts);
2963 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2964 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2965 " It takes bits/s as argument, not kbits/s\n");
2967 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
2969 av_log(NULL, AV_LOG_FATAL,
2970 "Error setting up codec context options.\n");
2975 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2977 av_log(NULL, AV_LOG_FATAL,
2978 "Error initializing the output stream codec context.\n");
2981 ost->st->codec->codec= ost->enc_ctx->codec;
2983 // copy timebase while removing common factors
2984 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
2987 /* init input streams */
2988 for (i = 0; i < nb_input_streams; i++)
2989 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2990 for (i = 0; i < nb_output_streams; i++) {
2991 ost = output_streams[i];
2992 avcodec_close(ost->enc_ctx);
2997 /* discard unused programs */
2998 for (i = 0; i < nb_input_files; i++) {
2999 InputFile *ifile = input_files[i];
3000 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3001 AVProgram *p = ifile->ctx->programs[j];
3002 int discard = AVDISCARD_ALL;
3004 for (k = 0; k < p->nb_stream_indexes; k++)
3005 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3006 discard = AVDISCARD_DEFAULT;
3009 p->discard = discard;
3013 /* open files and write file headers */
3014 for (i = 0; i < nb_output_files; i++) {
3015 oc = output_files[i]->ctx;
3016 oc->interrupt_callback = int_cb;
3017 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3018 snprintf(error, sizeof(error),
3019 "Could not write header for output file #%d "
3020 "(incorrect codec parameters ?): %s",
3021 i, av_err2str(ret));
3022 ret = AVERROR(EINVAL);
3025 // assert_avoptions(output_files[i]->opts);
3026 if (strcmp(oc->oformat->name, "rtp")) {
3032 /* dump the file output parameters - cannot be done before in case
3034 for (i = 0; i < nb_output_files; i++) {
3035 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3038 /* dump the stream mapping */
3039 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3040 for (i = 0; i < nb_input_streams; i++) {
3041 ist = input_streams[i];
3043 for (j = 0; j < ist->nb_filters; j++) {
3044 if (ist->filters[j]->graph->graph_desc) {
3045 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3046 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3047 ist->filters[j]->name);
3048 if (nb_filtergraphs > 1)
3049 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3050 av_log(NULL, AV_LOG_INFO, "\n");
3055 for (i = 0; i < nb_output_streams; i++) {
3056 ost = output_streams[i];
3058 if (ost->attachment_filename) {
3059 /* an attached file */
3060 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3061 ost->attachment_filename, ost->file_index, ost->index);
3065 if (ost->filter && ost->filter->graph->graph_desc) {
3066 /* output from a complex graph */
3067 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3068 if (nb_filtergraphs > 1)
3069 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3071 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3072 ost->index, ost->enc ? ost->enc->name : "?");
3076 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3077 input_streams[ost->source_index]->file_index,
3078 input_streams[ost->source_index]->st->index,
3081 if (ost->sync_ist != input_streams[ost->source_index])
3082 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3083 ost->sync_ist->file_index,
3084 ost->sync_ist->st->index);
3085 if (ost->stream_copy)
3086 av_log(NULL, AV_LOG_INFO, " (copy)");
3088 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3089 const AVCodec *out_codec = ost->enc;
3090 const char *decoder_name = "?";
3091 const char *in_codec_name = "?";
3092 const char *encoder_name = "?";
3093 const char *out_codec_name = "?";
3096 decoder_name = in_codec->name;
3097 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
3098 if (!strcmp(decoder_name, in_codec_name))
3099 decoder_name = "native";
3103 encoder_name = out_codec->name;
3104 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3105 if (!strcmp(encoder_name, out_codec_name))
3106 encoder_name = "native";
3109 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3110 in_codec_name, decoder_name,
3111 out_codec_name, encoder_name);
3113 av_log(NULL, AV_LOG_INFO, "\n");
3117 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3125 transcode_init_done = 1;
3130 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3131 static int need_output(void)
3135 for (i = 0; i < nb_output_streams; i++) {
3136 OutputStream *ost = output_streams[i];
3137 OutputFile *of = output_files[ost->file_index];
3138 AVFormatContext *os = output_files[ost->file_index]->ctx;
3140 if (ost->finished ||
3141 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3143 if (ost->frame_number >= ost->max_frames) {
3145 for (j = 0; j < of->ctx->nb_streams; j++)
3146 close_output_stream(output_streams[of->ost_index + j]);
3157 * Select the output stream to process.
3159 * @return selected output stream, or NULL if none available
3161 static OutputStream *choose_output(void)
3164 int64_t opts_min = INT64_MAX;
3165 OutputStream *ost_min = NULL;
3167 for (i = 0; i < nb_output_streams; i++) {
3168 OutputStream *ost = output_streams[i];
3169 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3171 if (!ost->finished && opts < opts_min) {
3173 ost_min = ost->unavailable ? NULL : ost;
3179 static int check_keyboard_interaction(int64_t cur_time)
3182 static int64_t last_time;
3183 if (received_nb_signals)
3184 return AVERROR_EXIT;
3185 /* read_key() returns 0 on EOF */
3186 if(cur_time - last_time >= 100000 && !run_as_daemon){
3188 last_time = cur_time;
3192 return AVERROR_EXIT;
3193 if (key == '+') av_log_set_level(av_log_get_level()+10);
3194 if (key == '-') av_log_set_level(av_log_get_level()-10);
3195 if (key == 's') qp_hist ^= 1;
3198 do_hex_dump = do_pkt_dump = 0;
3199 } else if(do_pkt_dump){
3203 av_log_set_level(AV_LOG_DEBUG);
3205 if (key == 'c' || key == 'C'){
3206 char buf[4096], target[64], command[256], arg[256] = {0};
3209 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3211 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3216 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3217 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3218 target, time, command, arg);
3219 for (i = 0; i < nb_filtergraphs; i++) {
3220 FilterGraph *fg = filtergraphs[i];
3223 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3224 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3225 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3226 } else if (key == 'c') {
3227 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3228 ret = AVERROR_PATCHWELCOME;
3230 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3235 av_log(NULL, AV_LOG_ERROR,
3236 "Parse error, at least 3 arguments were expected, "
3237 "only %d given in string '%s'\n", n, buf);
3240 if (key == 'd' || key == 'D'){
3243 debug = input_streams[0]->st->codec->debug<<1;
3244 if(!debug) debug = 1;
3245 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3248 if(scanf("%d", &debug)!=1)
3249 fprintf(stderr,"error parsing debug value\n");
3250 for(i=0;i<nb_input_streams;i++) {
3251 input_streams[i]->st->codec->debug = debug;
3253 for(i=0;i<nb_output_streams;i++) {
3254 OutputStream *ost = output_streams[i];
3255 ost->enc_ctx->debug = debug;
3257 if(debug) av_log_set_level(AV_LOG_DEBUG);
3258 fprintf(stderr,"debug=%d\n", debug);
3261 fprintf(stderr, "key function\n"
3262 "? show this help\n"
3263 "+ increase verbosity\n"
3264 "- decrease verbosity\n"
3265 "c Send command to first matching filter supporting it\n"
3266 "C Send/Que command to all matching filters\n"
3267 "D cycle through available debug modes\n"
3268 "h dump packets/hex press to cycle through the 3 states\n"
3270 "s Show QP histogram\n"
3277 static void *input_thread(void *arg)
3284 ret = av_read_frame(f->ctx, &pkt);
3286 if (ret == AVERROR(EAGAIN)) {
3291 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3294 av_dup_packet(&pkt);
3295 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3297 if (ret != AVERROR_EOF)
3298 av_log(f->ctx, AV_LOG_ERROR,
3299 "Unable to send packet to main thread: %s\n",
3301 av_free_packet(&pkt);
3302 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3310 static void free_input_threads(void)
3314 for (i = 0; i < nb_input_files; i++) {
3315 InputFile *f = input_files[i];
3318 if (!f->in_thread_queue)
3320 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3321 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3322 av_free_packet(&pkt);
3324 pthread_join(f->thread, NULL);
3326 av_thread_message_queue_free(&f->in_thread_queue);
3330 static int init_input_threads(void)
3334 if (nb_input_files == 1)
3337 for (i = 0; i < nb_input_files; i++) {
3338 InputFile *f = input_files[i];
3340 if (f->ctx->pb ? !f->ctx->pb->seekable :
3341 strcmp(f->ctx->iformat->name, "lavfi"))
3342 f->non_blocking = 1;
3343 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3344 8, sizeof(AVPacket));
3348 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3349 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3350 av_thread_message_queue_free(&f->in_thread_queue);
3351 return AVERROR(ret);
3357 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3359 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3361 AV_THREAD_MESSAGE_NONBLOCK : 0);
3365 static int get_input_packet(InputFile *f, AVPacket *pkt)
3369 for (i = 0; i < f->nb_streams; i++) {
3370 InputStream *ist = input_streams[f->ist_index + i];
3371 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3372 int64_t now = av_gettime_relative() - ist->start;
3374 return AVERROR(EAGAIN);
3379 if (nb_input_files > 1)
3380 return get_input_packet_mt(f, pkt);
3382 return av_read_frame(f->ctx, pkt);
3385 static int got_eagain(void)
3388 for (i = 0; i < nb_output_streams; i++)
3389 if (output_streams[i]->unavailable)
3394 static void reset_eagain(void)
3397 for (i = 0; i < nb_input_files; i++)
3398 input_files[i]->eagain = 0;
3399 for (i = 0; i < nb_output_streams; i++)
3400 output_streams[i]->unavailable = 0;
3405 * - 0 -- one packet was read and processed
3406 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3407 * this function should be called again
3408 * - AVERROR_EOF -- this function should not be called again
3410 static int process_input(int file_index)
3412 InputFile *ifile = input_files[file_index];
3413 AVFormatContext *is;
3419 ret = get_input_packet(ifile, &pkt);
3421 if (ret == AVERROR(EAGAIN)) {
3426 if (ret != AVERROR_EOF) {
3427 print_error(is->filename, ret);
3432 for (i = 0; i < ifile->nb_streams; i++) {
3433 ist = input_streams[ifile->ist_index + i];
3434 if (ist->decoding_needed) {
3435 ret = process_input_packet(ist, NULL);
3440 /* mark all outputs that don't go through lavfi as finished */
3441 for (j = 0; j < nb_output_streams; j++) {
3442 OutputStream *ost = output_streams[j];
3444 if (ost->source_index == ifile->ist_index + i &&
3445 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3446 finish_output_stream(ost);
3450 ifile->eof_reached = 1;
3451 return AVERROR(EAGAIN);
3457 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3458 is->streams[pkt.stream_index]);
3460 /* the following test is needed in case new streams appear
3461 dynamically in stream : we ignore them */
3462 if (pkt.stream_index >= ifile->nb_streams) {
3463 report_new_stream(file_index, &pkt);
3464 goto discard_packet;
3467 ist = input_streams[ifile->ist_index + pkt.stream_index];
3469 ist->data_size += pkt.size;
3473 goto discard_packet;
3476 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3477 "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",
3478 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3479 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3480 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3481 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3482 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3483 av_ts2str(input_files[ist->file_index]->ts_offset),
3484 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3487 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3488 int64_t stime, stime2;
3489 // Correcting starttime based on the enabled streams
3490 // 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.
3491 // so we instead do it here as part of discontinuity handling
3492 if ( ist->next_dts == AV_NOPTS_VALUE
3493 && ifile->ts_offset == -is->start_time
3494 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3495 int64_t new_start_time = INT64_MAX;
3496 for (i=0; i<is->nb_streams; i++) {
3497 AVStream *st = is->streams[i];
3498 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3500 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3502 if (new_start_time > is->start_time) {
3503 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3504 ifile->ts_offset = -new_start_time;
3508 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3509 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3510 ist->wrap_correction_done = 1;
3512 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3513 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3514 ist->wrap_correction_done = 0;
3516 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3517 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3518 ist->wrap_correction_done = 0;
3522 /* add the stream-global side data to the first packet */
3523 if (ist->nb_packets == 1) {
3524 if (ist->st->nb_side_data)
3525 av_packet_split_side_data(&pkt);
3526 for (i = 0; i < ist->st->nb_side_data; i++) {
3527 AVPacketSideData *src_sd = &ist->st->side_data[i];
3530 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3533 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3537 memcpy(dst_data, src_sd->data, src_sd->size);
3541 if (pkt.dts != AV_NOPTS_VALUE)
3542 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3543 if (pkt.pts != AV_NOPTS_VALUE)
3544 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3546 if (pkt.pts != AV_NOPTS_VALUE)
3547 pkt.pts *= ist->ts_scale;
3548 if (pkt.dts != AV_NOPTS_VALUE)
3549 pkt.dts *= ist->ts_scale;
3551 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3552 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3553 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3554 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3555 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3556 int64_t delta = pkt_dts - ifile->last_ts;
3557 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3558 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3559 ifile->ts_offset -= delta;
3560 av_log(NULL, AV_LOG_DEBUG,
3561 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3562 delta, ifile->ts_offset);
3563 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3564 if (pkt.pts != AV_NOPTS_VALUE)
3565 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3569 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3570 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3571 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3573 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3574 int64_t delta = pkt_dts - ist->next_dts;
3575 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3576 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3577 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3578 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3579 ifile->ts_offset -= delta;
3580 av_log(NULL, AV_LOG_DEBUG,
3581 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3582 delta, ifile->ts_offset);
3583 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3584 if (pkt.pts != AV_NOPTS_VALUE)
3585 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3588 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3589 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3590 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3591 pkt.dts = AV_NOPTS_VALUE;
3593 if (pkt.pts != AV_NOPTS_VALUE){
3594 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3595 delta = pkt_pts - ist->next_dts;
3596 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3597 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3598 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3599 pkt.pts = AV_NOPTS_VALUE;
3605 if (pkt.dts != AV_NOPTS_VALUE)
3606 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3609 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",
3610 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3611 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3612 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3613 av_ts2str(input_files[ist->file_index]->ts_offset),
3614 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3617 sub2video_heartbeat(ist, pkt.pts);
3619 ret = process_input_packet(ist, &pkt);
3621 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3622 ist->file_index, ist->st->index, av_err2str(ret));
3628 av_free_packet(&pkt);
3634 * Perform a step of transcoding for the specified filter graph.
3636 * @param[in] graph filter graph to consider
3637 * @param[out] best_ist input stream where a frame would allow to continue
3638 * @return 0 for success, <0 for error
3640 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3643 int nb_requests, nb_requests_max = 0;
3644 InputFilter *ifilter;
3648 ret = avfilter_graph_request_oldest(graph->graph);
3650 return reap_filters();
3652 if (ret == AVERROR_EOF) {
3653 ret = reap_filters();
3654 for (i = 0; i < graph->nb_outputs; i++)
3655 close_output_stream(graph->outputs[i]->ost);
3658 if (ret != AVERROR(EAGAIN))
3661 for (i = 0; i < graph->nb_inputs; i++) {
3662 ifilter = graph->inputs[i];
3664 if (input_files[ist->file_index]->eagain ||
3665 input_files[ist->file_index]->eof_reached)
3667 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3668 if (nb_requests > nb_requests_max) {
3669 nb_requests_max = nb_requests;
3675 for (i = 0; i < graph->nb_outputs; i++)
3676 graph->outputs[i]->ost->unavailable = 1;
3682 * Run a single step of transcoding.
3684 * @return 0 for success, <0 for error
3686 static int transcode_step(void)
3692 ost = choose_output();
3699 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3704 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3709 av_assert0(ost->source_index >= 0);
3710 ist = input_streams[ost->source_index];
3713 ret = process_input(ist->file_index);
3714 if (ret == AVERROR(EAGAIN)) {
3715 if (input_files[ist->file_index]->eagain)
3716 ost->unavailable = 1;
3720 return ret == AVERROR_EOF ? 0 : ret;
3722 return reap_filters();
3726 * The following code is the main loop of the file converter
3728 static int transcode(void)
3731 AVFormatContext *os;
3734 int64_t timer_start;
3736 ret = transcode_init();
3740 if (stdin_interaction) {
3741 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3744 timer_start = av_gettime_relative();
3747 if ((ret = init_input_threads()) < 0)
3751 while (!received_sigterm) {
3752 int64_t cur_time= av_gettime_relative();
3754 /* if 'q' pressed, exits */
3755 if (stdin_interaction)
3756 if (check_keyboard_interaction(cur_time) < 0)
3759 /* check if there's any stream where output is still needed */
3760 if (!need_output()) {
3761 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3765 ret = transcode_step();
3767 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3770 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3774 /* dump report by using the output first video and audio streams */
3775 print_report(0, timer_start, cur_time);
3778 free_input_threads();
3781 /* at the end of stream, we must flush the decoder buffers */
3782 for (i = 0; i < nb_input_streams; i++) {
3783 ist = input_streams[i];
3784 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3785 process_input_packet(ist, NULL);
3792 /* write the trailer if needed and close file */
3793 for (i = 0; i < nb_output_files; i++) {
3794 os = output_files[i]->ctx;
3795 av_write_trailer(os);
3798 /* dump report by using the first video and audio streams */
3799 print_report(1, timer_start, av_gettime_relative());
3801 /* close each encoder */
3802 for (i = 0; i < nb_output_streams; i++) {
3803 ost = output_streams[i];
3804 if (ost->encoding_needed) {
3805 av_freep(&ost->enc_ctx->stats_in);
3809 /* close each decoder */
3810 for (i = 0; i < nb_input_streams; i++) {
3811 ist = input_streams[i];
3812 if (ist->decoding_needed) {
3813 avcodec_close(ist->dec_ctx);
3814 if (ist->hwaccel_uninit)
3815 ist->hwaccel_uninit(ist->dec_ctx);
3824 free_input_threads();
3827 if (output_streams) {
3828 for (i = 0; i < nb_output_streams; i++) {
3829 ost = output_streams[i];
3832 fclose(ost->logfile);
3833 ost->logfile = NULL;
3835 av_freep(&ost->forced_kf_pts);
3836 av_freep(&ost->apad);
3837 av_dict_free(&ost->encoder_opts);
3838 av_dict_free(&ost->swr_opts);
3839 av_dict_free(&ost->resample_opts);
3840 av_dict_free(&ost->bsf_args);
3848 static int64_t getutime(void)
3851 struct rusage rusage;
3853 getrusage(RUSAGE_SELF, &rusage);
3854 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3855 #elif HAVE_GETPROCESSTIMES
3857 FILETIME c, e, k, u;
3858 proc = GetCurrentProcess();
3859 GetProcessTimes(proc, &c, &e, &k, &u);
3860 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3862 return av_gettime_relative();
3866 static int64_t getmaxrss(void)
3868 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3869 struct rusage rusage;
3870 getrusage(RUSAGE_SELF, &rusage);
3871 return (int64_t)rusage.ru_maxrss * 1024;
3872 #elif HAVE_GETPROCESSMEMORYINFO
3874 PROCESS_MEMORY_COUNTERS memcounters;
3875 proc = GetCurrentProcess();
3876 memcounters.cb = sizeof(memcounters);
3877 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3878 return memcounters.PeakPagefileUsage;
3884 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3888 int main(int argc, char **argv)
3893 register_exit(ffmpeg_cleanup);
3895 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3897 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3898 parse_loglevel(argc, argv, options);
3900 if(argc>1 && !strcmp(argv[1], "-d")){
3902 av_log_set_callback(log_callback_null);
3907 avcodec_register_all();
3909 avdevice_register_all();
3911 avfilter_register_all();
3913 avformat_network_init();
3915 show_banner(argc, argv, options);
3919 /* parse options and open all input/output files */
3920 ret = ffmpeg_parse_options(argc, argv);
3924 if (nb_output_files <= 0 && nb_input_files == 0) {
3926 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3930 /* file converter / grab */
3931 if (nb_output_files <= 0) {
3932 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3936 // if (nb_input_files == 0) {
3937 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3941 current_time = ti = getutime();
3942 if (transcode() < 0)
3944 ti = getutime() - ti;
3946 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3948 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3949 decode_error_stat[0], decode_error_stat[1]);
3950 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3953 exit_program(received_nb_signals ? 255 : main_return_code);
3954 return main_return_code;