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 "libavcodec/mathops.h"
64 #include "libavformat/os_support.h"
66 # include "libavfilter/avcodec.h"
67 # include "libavfilter/avfilter.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
73 #include <sys/types.h>
74 #include <sys/resource.h>
75 #elif HAVE_GETPROCESSTIMES
78 #if HAVE_GETPROCESSMEMORYINFO
84 #include <sys/select.h>
89 #include <sys/ioctl.h>
103 #include "cmdutils.h"
105 #include "libavutil/avassert.h"
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 static FILE *vstats_file;
112 const char *const forced_keyframes_const_names[] = {
121 static void do_video_stats(OutputStream *ost, int frame_size);
122 static int64_t getutime(void);
123 static int64_t getmaxrss(void);
125 static int run_as_daemon = 0;
126 static int nb_frames_dup = 0;
127 static int nb_frames_drop = 0;
128 static int64_t decode_error_stat[2];
130 static int current_time;
131 AVIOContext *progress_avio = NULL;
133 static uint8_t *subtitle_out;
135 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
137 InputStream **input_streams = NULL;
138 int nb_input_streams = 0;
139 InputFile **input_files = NULL;
140 int nb_input_files = 0;
142 OutputStream **output_streams = NULL;
143 int nb_output_streams = 0;
144 OutputFile **output_files = NULL;
145 int nb_output_files = 0;
147 FilterGraph **filtergraphs;
152 /* init terminal so that we can grab keys */
153 static struct termios oldtty;
154 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) {
325 write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
326 strlen("Received > 3 system signals, hard exiting\n"));
339 istty = isatty(0) && isatty(2);
341 if (istty && tcgetattr (0, &tty) == 0) {
345 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
346 |INLCR|IGNCR|ICRNL|IXON);
347 tty.c_oflag |= OPOST;
348 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
349 tty.c_cflag &= ~(CSIZE|PARENB);
354 tcsetattr (0, TCSANOW, &tty);
356 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
360 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
361 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
363 signal(SIGXCPU, sigterm_handler);
367 /* read a key without blocking */
368 static int read_key(void)
380 n = select(1, &rfds, NULL, NULL, &tv);
389 # if HAVE_PEEKNAMEDPIPE
391 static HANDLE input_handle;
394 input_handle = GetStdHandle(STD_INPUT_HANDLE);
395 is_pipe = !GetConsoleMode(input_handle, &dw);
398 if (stdin->_cnt > 0) {
403 /* When running under a GUI, you will end here. */
404 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
405 // input pipe may have been closed by the program that ran ffmpeg
423 static int decode_interrupt_cb(void *ctx)
425 return received_nb_signals > transcode_init_done;
428 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
430 static void ffmpeg_cleanup(int ret)
435 int maxrss = getmaxrss() / 1024;
436 printf("bench: maxrss=%ikB\n", maxrss);
439 for (i = 0; i < nb_filtergraphs; i++) {
440 FilterGraph *fg = filtergraphs[i];
441 avfilter_graph_free(&fg->graph);
442 for (j = 0; j < fg->nb_inputs; j++) {
443 av_freep(&fg->inputs[j]->name);
444 av_freep(&fg->inputs[j]);
446 av_freep(&fg->inputs);
447 for (j = 0; j < fg->nb_outputs; j++) {
448 av_freep(&fg->outputs[j]->name);
449 av_freep(&fg->outputs[j]);
451 av_freep(&fg->outputs);
452 av_freep(&fg->graph_desc);
454 av_freep(&filtergraphs[i]);
456 av_freep(&filtergraphs);
458 av_freep(&subtitle_out);
461 for (i = 0; i < nb_output_files; i++) {
462 OutputFile *of = output_files[i];
463 AVFormatContext *s = of->ctx;
464 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
466 avformat_free_context(s);
467 av_dict_free(&of->opts);
469 av_freep(&output_files[i]);
471 for (i = 0; i < nb_output_streams; i++) {
472 OutputStream *ost = output_streams[i];
473 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
475 AVBitStreamFilterContext *next = bsfc->next;
476 av_bitstream_filter_close(bsfc);
479 ost->bitstream_filters = NULL;
480 av_frame_free(&ost->filtered_frame);
481 av_frame_free(&ost->last_frame);
483 av_parser_close(ost->parser);
485 av_freep(&ost->forced_keyframes);
486 av_expr_free(ost->forced_keyframes_pexpr);
487 av_freep(&ost->avfilter);
488 av_freep(&ost->logfile_prefix);
490 av_freep(&ost->audio_channels_map);
491 ost->audio_channels_mapped = 0;
493 avcodec_free_context(&ost->enc_ctx);
495 av_freep(&output_streams[i]);
498 free_input_threads();
500 for (i = 0; i < nb_input_files; i++) {
501 avformat_close_input(&input_files[i]->ctx);
502 av_freep(&input_files[i]);
504 for (i = 0; i < nb_input_streams; i++) {
505 InputStream *ist = input_streams[i];
507 av_frame_free(&ist->decoded_frame);
508 av_frame_free(&ist->filter_frame);
509 av_dict_free(&ist->decoder_opts);
510 avsubtitle_free(&ist->prev_sub.subtitle);
511 av_frame_free(&ist->sub2video.frame);
512 av_freep(&ist->filters);
513 av_freep(&ist->hwaccel_device);
515 avcodec_free_context(&ist->dec_ctx);
517 av_freep(&input_streams[i]);
522 av_freep(&vstats_filename);
524 av_freep(&input_streams);
525 av_freep(&input_files);
526 av_freep(&output_streams);
527 av_freep(&output_files);
531 avformat_network_deinit();
533 if (received_sigterm) {
534 av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
535 (int) received_sigterm);
536 } else if (ret && transcode_init_done) {
537 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
542 void remove_avoptions(AVDictionary **a, AVDictionary *b)
544 AVDictionaryEntry *t = NULL;
546 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
547 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
551 void assert_avoptions(AVDictionary *m)
553 AVDictionaryEntry *t;
554 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
555 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
560 static void abort_codec_experimental(AVCodec *c, int encoder)
565 static void update_benchmark(const char *fmt, ...)
567 if (do_benchmark_all) {
568 int64_t t = getutime();
574 vsnprintf(buf, sizeof(buf), fmt, va);
576 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
582 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
585 for (i = 0; i < nb_output_streams; i++) {
586 OutputStream *ost2 = output_streams[i];
587 ost2->finished |= ost == ost2 ? this_stream : others;
591 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
593 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
594 AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
597 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
598 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
599 if (ost->st->codec->extradata) {
600 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
601 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
605 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
606 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
607 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
610 * Audio encoders may split the packets -- #frames in != #packets out.
611 * But there is no reordering, so we can limit the number of output packets
612 * by simply dropping them here.
613 * Counting encoded video frames needs to be done separately because of
614 * reordering, see do_video_out()
616 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
617 if (ost->frame_number >= ost->max_frames) {
625 av_packet_split_side_data(pkt);
628 AVPacket new_pkt = *pkt;
629 AVDictionaryEntry *bsf_arg = av_dict_get(ost->bsf_args,
632 int a = av_bitstream_filter_filter(bsfc, avctx,
633 bsf_arg ? bsf_arg->value : NULL,
634 &new_pkt.data, &new_pkt.size,
635 pkt->data, pkt->size,
636 pkt->flags & AV_PKT_FLAG_KEY);
637 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
638 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
640 memcpy(t, new_pkt.data, new_pkt.size);
641 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
649 pkt->side_data = NULL;
650 pkt->side_data_elems = 0;
652 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
653 av_buffer_default_free, NULL, 0);
658 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
659 bsfc->filter->name, pkt->stream_index,
660 avctx->codec ? avctx->codec->name : "copy");
670 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
671 if (pkt->dts != AV_NOPTS_VALUE &&
672 pkt->pts != AV_NOPTS_VALUE &&
673 pkt->dts > pkt->pts) {
674 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
676 ost->file_index, ost->st->index);
678 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
679 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
680 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
683 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
684 pkt->dts != AV_NOPTS_VALUE &&
685 ost->last_mux_dts != AV_NOPTS_VALUE) {
686 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
687 if (pkt->dts < max) {
688 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
689 av_log(s, loglevel, "Non-monotonous DTS in output stream "
690 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
691 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
693 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
696 av_log(s, loglevel, "changing to %"PRId64". This may result "
697 "in incorrect timestamps in the output file.\n",
699 if(pkt->pts >= pkt->dts)
700 pkt->pts = FFMAX(pkt->pts, max);
705 ost->last_mux_dts = pkt->dts;
707 ost->data_size += pkt->size;
708 ost->packets_written++;
710 pkt->stream_index = ost->index;
713 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
714 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
715 av_get_media_type_string(ost->enc_ctx->codec_type),
716 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
717 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
722 ret = av_interleaved_write_frame(s, pkt);
724 print_error("av_interleaved_write_frame()", ret);
725 main_return_code = 1;
726 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
731 static void close_output_stream(OutputStream *ost)
733 OutputFile *of = output_files[ost->file_index];
735 ost->finished |= ENCODER_FINISHED;
737 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
738 of->recording_time = FFMIN(of->recording_time, end);
742 static int check_recording_time(OutputStream *ost)
744 OutputFile *of = output_files[ost->file_index];
746 if (of->recording_time != INT64_MAX &&
747 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
748 AV_TIME_BASE_Q) >= 0) {
749 close_output_stream(ost);
755 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
758 AVCodecContext *enc = ost->enc_ctx;
762 av_init_packet(&pkt);
766 if (!check_recording_time(ost))
769 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
770 frame->pts = ost->sync_opts;
771 ost->sync_opts = frame->pts + frame->nb_samples;
772 ost->samples_encoded += frame->nb_samples;
773 ost->frames_encoded++;
775 av_assert0(pkt.size || !pkt.data);
776 update_benchmark(NULL);
778 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
779 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
780 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
781 enc->time_base.num, enc->time_base.den);
784 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
785 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
788 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
791 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
794 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
795 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
796 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
797 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
800 write_frame(s, &pkt, ost);
804 static void do_subtitle_out(AVFormatContext *s,
809 int subtitle_out_max_size = 1024 * 1024;
810 int subtitle_out_size, nb, i;
815 if (sub->pts == AV_NOPTS_VALUE) {
816 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
825 subtitle_out = av_malloc(subtitle_out_max_size);
827 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
832 /* Note: DVB subtitle need one packet to draw them and one other
833 packet to clear them */
834 /* XXX: signal it in the codec context ? */
835 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
840 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
842 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
843 pts -= output_files[ost->file_index]->start_time;
844 for (i = 0; i < nb; i++) {
845 unsigned save_num_rects = sub->num_rects;
847 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
848 if (!check_recording_time(ost))
852 // start_display_time is required to be 0
853 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
854 sub->end_display_time -= sub->start_display_time;
855 sub->start_display_time = 0;
859 ost->frames_encoded++;
861 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
862 subtitle_out_max_size, sub);
864 sub->num_rects = save_num_rects;
865 if (subtitle_out_size < 0) {
866 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
870 av_init_packet(&pkt);
871 pkt.data = subtitle_out;
872 pkt.size = subtitle_out_size;
873 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
874 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
875 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
876 /* XXX: the pts correction is handled here. Maybe handling
877 it in the codec would be better */
879 pkt.pts += 90 * sub->start_display_time;
881 pkt.pts += 90 * sub->end_display_time;
884 write_frame(s, &pkt, ost);
888 static void do_video_out(AVFormatContext *s,
890 AVFrame *next_picture,
893 int ret, format_video_sync;
895 AVCodecContext *enc = ost->enc_ctx;
896 AVCodecContext *mux_enc = ost->st->codec;
897 int nb_frames, nb0_frames, i;
898 double delta, delta0;
901 InputStream *ist = NULL;
902 AVFilterContext *filter = ost->filter->filter;
904 if (ost->source_index >= 0)
905 ist = input_streams[ost->source_index];
907 if (filter->inputs[0]->frame_rate.num > 0 &&
908 filter->inputs[0]->frame_rate.den > 0)
909 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
911 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
912 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
914 if (!ost->filters_script &&
918 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
919 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
924 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
925 ost->last_nb0_frames[1],
926 ost->last_nb0_frames[2]);
928 delta0 = sync_ipts - ost->sync_opts;
929 delta = delta0 + duration;
931 /* by default, we output a single frame */
935 format_video_sync = video_sync_method;
936 if (format_video_sync == VSYNC_AUTO) {
937 if(!strcmp(s->oformat->name, "avi")) {
938 format_video_sync = VSYNC_VFR;
940 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
942 && format_video_sync == VSYNC_CFR
943 && input_files[ist->file_index]->ctx->nb_streams == 1
944 && input_files[ist->file_index]->input_ts_offset == 0) {
945 format_video_sync = VSYNC_VSCFR;
947 if (format_video_sync == VSYNC_CFR && copy_ts) {
948 format_video_sync = VSYNC_VSCFR;
954 format_video_sync != VSYNC_PASSTHROUGH &&
955 format_video_sync != VSYNC_DROP) {
956 double cor = FFMIN(-delta0, duration);
958 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
960 av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
966 switch (format_video_sync) {
968 if (ost->frame_number == 0 && delta - duration >= 0.5) {
969 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
972 ost->sync_opts = lrint(sync_ipts);
975 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
976 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
978 } else if (delta < -1.1)
980 else if (delta > 1.1) {
981 nb_frames = lrintf(delta);
983 nb0_frames = lrintf(delta0 - 0.6);
989 else if (delta > 0.6)
990 ost->sync_opts = lrint(sync_ipts);
993 case VSYNC_PASSTHROUGH:
994 ost->sync_opts = lrint(sync_ipts);
1001 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1002 nb0_frames = FFMIN(nb0_frames, nb_frames);
1004 memmove(ost->last_nb0_frames + 1,
1005 ost->last_nb0_frames,
1006 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1007 ost->last_nb0_frames[0] = nb0_frames;
1009 if (nb0_frames == 0 && ost->last_droped) {
1011 av_log(NULL, AV_LOG_VERBOSE,
1012 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1013 ost->frame_number, ost->st->index, ost->last_frame->pts);
1015 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
1016 if (nb_frames > dts_error_threshold * 30) {
1017 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1021 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
1022 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1024 ost->last_droped = nb_frames == nb0_frames && next_picture;
1026 /* duplicates frame if needed */
1027 for (i = 0; i < nb_frames; i++) {
1028 AVFrame *in_picture;
1029 av_init_packet(&pkt);
1033 if (i < nb0_frames && ost->last_frame) {
1034 in_picture = ost->last_frame;
1036 in_picture = next_picture;
1041 in_picture->pts = ost->sync_opts;
1044 if (!check_recording_time(ost))
1046 if (ost->frame_number >= ost->max_frames)
1050 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1051 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1052 /* raw pictures are written as AVPicture structure to
1053 avoid any copies. We support temporarily the older
1055 if (in_picture->interlaced_frame)
1056 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1058 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1059 pkt.data = (uint8_t *)in_picture;
1060 pkt.size = sizeof(AVPicture);
1061 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1062 pkt.flags |= AV_PKT_FLAG_KEY;
1064 write_frame(s, &pkt, ost);
1066 int got_packet, forced_keyframe = 0;
1069 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1070 ost->top_field_first >= 0)
1071 in_picture->top_field_first = !!ost->top_field_first;
1073 if (in_picture->interlaced_frame) {
1074 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1075 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1077 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1079 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1081 in_picture->quality = enc->global_quality;
1082 in_picture->pict_type = 0;
1084 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1085 in_picture->pts * av_q2d(enc->time_base) : NAN;
1086 if (ost->forced_kf_index < ost->forced_kf_count &&
1087 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1088 ost->forced_kf_index++;
1089 forced_keyframe = 1;
1090 } else if (ost->forced_keyframes_pexpr) {
1092 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1093 res = av_expr_eval(ost->forced_keyframes_pexpr,
1094 ost->forced_keyframes_expr_const_values, NULL);
1095 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1096 ost->forced_keyframes_expr_const_values[FKF_N],
1097 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1098 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1099 ost->forced_keyframes_expr_const_values[FKF_T],
1100 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1103 forced_keyframe = 1;
1104 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1105 ost->forced_keyframes_expr_const_values[FKF_N];
1106 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1107 ost->forced_keyframes_expr_const_values[FKF_T];
1108 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1111 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1112 } else if ( ost->forced_keyframes
1113 && !strncmp(ost->forced_keyframes, "source", 6)
1114 && in_picture->key_frame==1) {
1115 forced_keyframe = 1;
1118 if (forced_keyframe) {
1119 in_picture->pict_type = AV_PICTURE_TYPE_I;
1120 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1123 update_benchmark(NULL);
1125 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1126 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1127 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1128 enc->time_base.num, enc->time_base.den);
1131 ost->frames_encoded++;
1133 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1134 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1136 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1142 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1143 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1144 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1145 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1148 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1149 pkt.pts = ost->sync_opts;
1151 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1154 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1155 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1156 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1157 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1160 frame_size = pkt.size;
1161 write_frame(s, &pkt, ost);
1163 /* if two pass, output log */
1164 if (ost->logfile && enc->stats_out) {
1165 fprintf(ost->logfile, "%s", enc->stats_out);
1171 * For video, number of frames in == number of packets out.
1172 * But there may be reordering, so we can't throw away frames on encoder
1173 * flush, we need to limit them here, before they go into encoder.
1175 ost->frame_number++;
1177 if (vstats_filename && frame_size)
1178 do_video_stats(ost, frame_size);
1181 if (!ost->last_frame)
1182 ost->last_frame = av_frame_alloc();
1183 av_frame_unref(ost->last_frame);
1185 av_frame_ref(ost->last_frame, next_picture);
1187 av_frame_free(&ost->last_frame);
1190 static double psnr(double d)
1192 return -10.0 * log(d) / log(10.0);
1195 static void do_video_stats(OutputStream *ost, int frame_size)
1197 AVCodecContext *enc;
1199 double ti1, bitrate, avg_bitrate;
1201 /* this is executed just the first time do_video_stats is called */
1203 vstats_file = fopen(vstats_filename, "w");
1211 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1212 frame_number = ost->st->nb_frames;
1213 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame ? enc->coded_frame->quality / (float)FF_QP2LAMBDA : 0);
1214 if (enc->coded_frame && (enc->flags&CODEC_FLAG_PSNR))
1215 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1217 fprintf(vstats_file,"f_size= %6d ", frame_size);
1218 /* compute pts value */
1219 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1223 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1224 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1225 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1226 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1227 fprintf(vstats_file, "type= %c\n", enc->coded_frame ? av_get_picture_type_char(enc->coded_frame->pict_type) : 'I');
1231 static void finish_output_stream(OutputStream *ost)
1233 OutputFile *of = output_files[ost->file_index];
1236 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1239 for (i = 0; i < of->ctx->nb_streams; i++)
1240 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1245 * Get and encode new output from any of the filtergraphs, without causing
1248 * @return 0 for success, <0 for severe errors
1250 static int reap_filters(int flush)
1252 AVFrame *filtered_frame = NULL;
1255 /* Reap all buffers present in the buffer sinks */
1256 for (i = 0; i < nb_output_streams; i++) {
1257 OutputStream *ost = output_streams[i];
1258 OutputFile *of = output_files[ost->file_index];
1259 AVFilterContext *filter;
1260 AVCodecContext *enc = ost->enc_ctx;
1265 filter = ost->filter->filter;
1267 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1268 return AVERROR(ENOMEM);
1270 filtered_frame = ost->filtered_frame;
1273 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1274 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1275 AV_BUFFERSINK_FLAG_NO_REQUEST);
1277 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1278 av_log(NULL, AV_LOG_WARNING,
1279 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1280 } else if (flush && ret == AVERROR_EOF) {
1281 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1282 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1286 if (ost->finished) {
1287 av_frame_unref(filtered_frame);
1290 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1291 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1292 AVRational tb = enc->time_base;
1293 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1295 tb.den <<= extra_bits;
1297 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1298 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1299 float_pts /= 1 << extra_bits;
1300 // avoid exact midoints to reduce the chance of rounding differences, this can be removed in case the fps code is changed to work with integers
1301 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1303 filtered_frame->pts =
1304 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1305 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1307 //if (ost->source_index >= 0)
1308 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1310 switch (filter->inputs[0]->type) {
1311 case AVMEDIA_TYPE_VIDEO:
1312 if (!ost->frame_aspect_ratio.num)
1313 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1316 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1317 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1319 enc->time_base.num, enc->time_base.den);
1322 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1324 case AVMEDIA_TYPE_AUDIO:
1325 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1326 enc->channels != av_frame_get_channels(filtered_frame)) {
1327 av_log(NULL, AV_LOG_ERROR,
1328 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1331 do_audio_out(of->ctx, ost, filtered_frame);
1334 // TODO support subtitle filters
1338 av_frame_unref(filtered_frame);
1345 static void print_final_stats(int64_t total_size)
1347 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1348 uint64_t subtitle_size = 0;
1349 uint64_t data_size = 0;
1350 float percent = -1.0;
1354 for (i = 0; i < nb_output_streams; i++) {
1355 OutputStream *ost = output_streams[i];
1356 switch (ost->enc_ctx->codec_type) {
1357 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1358 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1359 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1360 default: other_size += ost->data_size; break;
1362 extra_size += ost->enc_ctx->extradata_size;
1363 data_size += ost->data_size;
1364 if ( (ost->enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))
1365 != CODEC_FLAG_PASS1)
1369 if (data_size && total_size>0 && total_size >= data_size)
1370 percent = 100.0 * (total_size - data_size) / data_size;
1372 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: ",
1373 video_size / 1024.0,
1374 audio_size / 1024.0,
1375 subtitle_size / 1024.0,
1376 other_size / 1024.0,
1377 extra_size / 1024.0);
1379 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1381 av_log(NULL, AV_LOG_INFO, "unknown");
1382 av_log(NULL, AV_LOG_INFO, "\n");
1384 /* print verbose per-stream stats */
1385 for (i = 0; i < nb_input_files; i++) {
1386 InputFile *f = input_files[i];
1387 uint64_t total_packets = 0, total_size = 0;
1389 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1390 i, f->ctx->filename);
1392 for (j = 0; j < f->nb_streams; j++) {
1393 InputStream *ist = input_streams[f->ist_index + j];
1394 enum AVMediaType type = ist->dec_ctx->codec_type;
1396 total_size += ist->data_size;
1397 total_packets += ist->nb_packets;
1399 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1400 i, j, media_type_string(type));
1401 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1402 ist->nb_packets, ist->data_size);
1404 if (ist->decoding_needed) {
1405 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1406 ist->frames_decoded);
1407 if (type == AVMEDIA_TYPE_AUDIO)
1408 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1409 av_log(NULL, AV_LOG_VERBOSE, "; ");
1412 av_log(NULL, AV_LOG_VERBOSE, "\n");
1415 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1416 total_packets, total_size);
1419 for (i = 0; i < nb_output_files; i++) {
1420 OutputFile *of = output_files[i];
1421 uint64_t total_packets = 0, total_size = 0;
1423 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1424 i, of->ctx->filename);
1426 for (j = 0; j < of->ctx->nb_streams; j++) {
1427 OutputStream *ost = output_streams[of->ost_index + j];
1428 enum AVMediaType type = ost->enc_ctx->codec_type;
1430 total_size += ost->data_size;
1431 total_packets += ost->packets_written;
1433 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1434 i, j, media_type_string(type));
1435 if (ost->encoding_needed) {
1436 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1437 ost->frames_encoded);
1438 if (type == AVMEDIA_TYPE_AUDIO)
1439 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1440 av_log(NULL, AV_LOG_VERBOSE, "; ");
1443 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1444 ost->packets_written, ost->data_size);
1446 av_log(NULL, AV_LOG_VERBOSE, "\n");
1449 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1450 total_packets, total_size);
1452 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1453 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1455 av_log(NULL, AV_LOG_WARNING, "\n");
1457 av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1462 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1465 AVBPrint buf_script;
1467 AVFormatContext *oc;
1469 AVCodecContext *enc;
1470 int frame_number, vid, i;
1472 int64_t pts = INT64_MIN;
1473 static int64_t last_time = -1;
1474 static int qp_histogram[52];
1475 int hours, mins, secs, us;
1477 if (!print_stats && !is_last_report && !progress_avio)
1480 if (!is_last_report) {
1481 if (last_time == -1) {
1482 last_time = cur_time;
1485 if ((cur_time - last_time) < 500000)
1487 last_time = cur_time;
1491 oc = output_files[0]->ctx;
1493 total_size = avio_size(oc->pb);
1494 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1495 total_size = avio_tell(oc->pb);
1499 av_bprint_init(&buf_script, 0, 1);
1500 for (i = 0; i < nb_output_streams; i++) {
1502 ost = output_streams[i];
1504 if (!ost->stream_copy && enc->coded_frame)
1505 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1506 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1507 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1508 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1509 ost->file_index, ost->index, q);
1511 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1512 float fps, t = (cur_time-timer_start) / 1000000.0;
1514 frame_number = ost->frame_number;
1515 fps = t > 1 ? frame_number / t : 0;
1516 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1517 frame_number, fps < 9.95, fps, q);
1518 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1519 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1520 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1521 ost->file_index, ost->index, q);
1523 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1527 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1529 for (j = 0; j < 32; j++)
1530 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1532 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1534 double error, error_sum = 0;
1535 double scale, scale_sum = 0;
1537 char type[3] = { 'Y','U','V' };
1538 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1539 for (j = 0; j < 3; j++) {
1540 if (is_last_report) {
1541 error = enc->error[j];
1542 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1544 error = enc->coded_frame->error[j];
1545 scale = enc->width * enc->height * 255.0 * 255.0;
1551 p = psnr(error / scale);
1552 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1553 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1554 ost->file_index, ost->index, type[j] | 32, p);
1556 p = psnr(error_sum / scale_sum);
1557 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1558 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1559 ost->file_index, ost->index, p);
1563 /* compute min output value */
1564 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1565 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1566 ost->st->time_base, AV_TIME_BASE_Q));
1568 nb_frames_drop += ost->last_droped;
1571 secs = FFABS(pts) / AV_TIME_BASE;
1572 us = FFABS(pts) % AV_TIME_BASE;
1578 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1580 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1582 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1583 "size=%8.0fkB time=", total_size / 1024.0);
1585 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1587 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1588 (100 * us) / AV_TIME_BASE);
1591 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1592 av_bprintf(&buf_script, "bitrate=N/A\n");
1594 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1595 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1598 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1599 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1600 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1601 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1602 hours, mins, secs, us);
1604 if (nb_frames_dup || nb_frames_drop)
1605 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1606 nb_frames_dup, nb_frames_drop);
1607 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1608 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1610 if (print_stats || is_last_report) {
1611 const char end = is_last_report ? '\n' : '\r';
1612 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1613 fprintf(stderr, "%s %c", buf, end);
1615 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1620 if (progress_avio) {
1621 av_bprintf(&buf_script, "progress=%s\n",
1622 is_last_report ? "end" : "continue");
1623 avio_write(progress_avio, buf_script.str,
1624 FFMIN(buf_script.len, buf_script.size - 1));
1625 avio_flush(progress_avio);
1626 av_bprint_finalize(&buf_script, NULL);
1627 if (is_last_report) {
1628 avio_closep(&progress_avio);
1633 print_final_stats(total_size);
1636 static void flush_encoders(void)
1640 for (i = 0; i < nb_output_streams; i++) {
1641 OutputStream *ost = output_streams[i];
1642 AVCodecContext *enc = ost->enc_ctx;
1643 AVFormatContext *os = output_files[ost->file_index]->ctx;
1644 int stop_encoding = 0;
1646 if (!ost->encoding_needed)
1649 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1651 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1655 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1658 switch (enc->codec_type) {
1659 case AVMEDIA_TYPE_AUDIO:
1660 encode = avcodec_encode_audio2;
1663 case AVMEDIA_TYPE_VIDEO:
1664 encode = avcodec_encode_video2;
1675 av_init_packet(&pkt);
1679 update_benchmark(NULL);
1680 ret = encode(enc, &pkt, NULL, &got_packet);
1681 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1683 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1686 if (ost->logfile && enc->stats_out) {
1687 fprintf(ost->logfile, "%s", enc->stats_out);
1693 if (ost->finished & MUXER_FINISHED) {
1694 av_free_packet(&pkt);
1697 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1698 pkt_size = pkt.size;
1699 write_frame(os, &pkt, ost);
1700 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1701 do_video_stats(ost, pkt_size);
1712 * Check whether a packet from ist should be written into ost at this time
1714 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1716 OutputFile *of = output_files[ost->file_index];
1717 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1719 if (ost->source_index != ist_index)
1725 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1731 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1733 OutputFile *of = output_files[ost->file_index];
1734 InputFile *f = input_files [ist->file_index];
1735 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1736 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1737 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1741 av_init_packet(&opkt);
1743 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1744 !ost->copy_initial_nonkeyframes)
1747 if (pkt->pts == AV_NOPTS_VALUE) {
1748 if (!ost->frame_number && ist->pts < start_time &&
1749 !ost->copy_prior_start)
1752 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1753 !ost->copy_prior_start)
1757 if (of->recording_time != INT64_MAX &&
1758 ist->pts >= of->recording_time + start_time) {
1759 close_output_stream(ost);
1763 if (f->recording_time != INT64_MAX) {
1764 start_time = f->ctx->start_time;
1765 if (f->start_time != AV_NOPTS_VALUE)
1766 start_time += f->start_time;
1767 if (ist->pts >= f->recording_time + start_time) {
1768 close_output_stream(ost);
1773 /* force the input stream PTS */
1774 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1777 if (pkt->pts != AV_NOPTS_VALUE)
1778 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1780 opkt.pts = AV_NOPTS_VALUE;
1782 if (pkt->dts == AV_NOPTS_VALUE)
1783 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1785 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1786 opkt.dts -= ost_tb_start_time;
1788 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1789 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1791 duration = ist->dec_ctx->frame_size;
1792 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1793 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1794 ost->st->time_base) - ost_tb_start_time;
1797 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1798 opkt.flags = pkt->flags;
1800 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1801 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1802 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1803 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1804 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1806 if (av_parser_change(ost->parser, ost->st->codec,
1807 &opkt.data, &opkt.size,
1808 pkt->data, pkt->size,
1809 pkt->flags & AV_PKT_FLAG_KEY)) {
1810 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1815 opkt.data = pkt->data;
1816 opkt.size = pkt->size;
1818 av_copy_packet_side_data(&opkt, pkt);
1820 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1821 /* store AVPicture in AVPacket, as expected by the output format */
1822 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1823 opkt.data = (uint8_t *)&pict;
1824 opkt.size = sizeof(AVPicture);
1825 opkt.flags |= AV_PKT_FLAG_KEY;
1828 write_frame(of->ctx, &opkt, ost);
1831 int guess_input_channel_layout(InputStream *ist)
1833 AVCodecContext *dec = ist->dec_ctx;
1835 if (!dec->channel_layout) {
1836 char layout_name[256];
1838 if (dec->channels > ist->guess_layout_max)
1840 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1841 if (!dec->channel_layout)
1843 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1844 dec->channels, dec->channel_layout);
1845 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1846 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1851 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1853 AVFrame *decoded_frame, *f;
1854 AVCodecContext *avctx = ist->dec_ctx;
1855 int i, ret, err = 0, resample_changed;
1856 AVRational decoded_frame_tb;
1858 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1859 return AVERROR(ENOMEM);
1860 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1861 return AVERROR(ENOMEM);
1862 decoded_frame = ist->decoded_frame;
1864 update_benchmark(NULL);
1865 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1866 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1868 if (ret >= 0 && avctx->sample_rate <= 0) {
1869 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1870 ret = AVERROR_INVALIDDATA;
1873 if (*got_output || ret<0 || pkt->size)
1874 decode_error_stat[ret<0] ++;
1876 if (!*got_output || ret < 0)
1879 ist->samples_decoded += decoded_frame->nb_samples;
1880 ist->frames_decoded++;
1883 /* increment next_dts to use for the case where the input stream does not
1884 have timestamps or there are multiple frames in the packet */
1885 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1887 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1891 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1892 ist->resample_channels != avctx->channels ||
1893 ist->resample_channel_layout != decoded_frame->channel_layout ||
1894 ist->resample_sample_rate != decoded_frame->sample_rate;
1895 if (resample_changed) {
1896 char layout1[64], layout2[64];
1898 if (!guess_input_channel_layout(ist)) {
1899 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1900 "layout for Input Stream #%d.%d\n", ist->file_index,
1904 decoded_frame->channel_layout = avctx->channel_layout;
1906 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1907 ist->resample_channel_layout);
1908 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1909 decoded_frame->channel_layout);
1911 av_log(NULL, AV_LOG_INFO,
1912 "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",
1913 ist->file_index, ist->st->index,
1914 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1915 ist->resample_channels, layout1,
1916 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1917 avctx->channels, layout2);
1919 ist->resample_sample_fmt = decoded_frame->format;
1920 ist->resample_sample_rate = decoded_frame->sample_rate;
1921 ist->resample_channel_layout = decoded_frame->channel_layout;
1922 ist->resample_channels = avctx->channels;
1924 for (i = 0; i < nb_filtergraphs; i++)
1925 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1926 FilterGraph *fg = filtergraphs[i];
1927 if (configure_filtergraph(fg) < 0) {
1928 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1934 /* if the decoder provides a pts, use it instead of the last packet pts.
1935 the decoder could be delaying output by a packet or more. */
1936 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1937 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1938 decoded_frame_tb = avctx->time_base;
1939 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1940 decoded_frame->pts = decoded_frame->pkt_pts;
1941 decoded_frame_tb = ist->st->time_base;
1942 } else if (pkt->pts != AV_NOPTS_VALUE) {
1943 decoded_frame->pts = pkt->pts;
1944 decoded_frame_tb = ist->st->time_base;
1946 decoded_frame->pts = ist->dts;
1947 decoded_frame_tb = AV_TIME_BASE_Q;
1949 pkt->pts = AV_NOPTS_VALUE;
1950 if (decoded_frame->pts != AV_NOPTS_VALUE)
1951 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1952 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1953 (AVRational){1, avctx->sample_rate});
1954 for (i = 0; i < ist->nb_filters; i++) {
1955 if (i < ist->nb_filters - 1) {
1956 f = ist->filter_frame;
1957 err = av_frame_ref(f, decoded_frame);
1962 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1963 AV_BUFFERSRC_FLAG_PUSH);
1964 if (err == AVERROR_EOF)
1965 err = 0; /* ignore */
1969 decoded_frame->pts = AV_NOPTS_VALUE;
1971 av_frame_unref(ist->filter_frame);
1972 av_frame_unref(decoded_frame);
1973 return err < 0 ? err : ret;
1976 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1978 AVFrame *decoded_frame, *f;
1979 int i, ret = 0, err = 0, resample_changed;
1980 int64_t best_effort_timestamp;
1981 AVRational *frame_sample_aspect;
1983 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1984 return AVERROR(ENOMEM);
1985 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1986 return AVERROR(ENOMEM);
1987 decoded_frame = ist->decoded_frame;
1988 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1990 update_benchmark(NULL);
1991 ret = avcodec_decode_video2(ist->dec_ctx,
1992 decoded_frame, got_output, pkt);
1993 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1995 // The following line may be required in some cases where there is no parser
1996 // or the parser does not has_b_frames correctly
1997 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1998 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1999 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
2001 av_log_ask_for_sample(
2003 "has_b_frames is larger in decoder than demuxer %d > %d ",
2004 ist->dec_ctx->has_b_frames,
2005 ist->st->codec->has_b_frames
2009 if (*got_output || ret<0 || pkt->size)
2010 decode_error_stat[ret<0] ++;
2012 if (*got_output && ret >= 0) {
2013 if (ist->dec_ctx->width != decoded_frame->width ||
2014 ist->dec_ctx->height != decoded_frame->height ||
2015 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2016 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2017 decoded_frame->width,
2018 decoded_frame->height,
2019 decoded_frame->format,
2020 ist->dec_ctx->width,
2021 ist->dec_ctx->height,
2022 ist->dec_ctx->pix_fmt);
2026 if (!*got_output || ret < 0)
2029 if(ist->top_field_first>=0)
2030 decoded_frame->top_field_first = ist->top_field_first;
2032 ist->frames_decoded++;
2034 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2035 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2039 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2041 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2042 if(best_effort_timestamp != AV_NOPTS_VALUE)
2043 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2046 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2047 "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",
2048 ist->st->index, av_ts2str(decoded_frame->pts),
2049 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2050 best_effort_timestamp,
2051 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2052 decoded_frame->key_frame, decoded_frame->pict_type,
2053 ist->st->time_base.num, ist->st->time_base.den);
2058 if (ist->st->sample_aspect_ratio.num)
2059 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2061 resample_changed = ist->resample_width != decoded_frame->width ||
2062 ist->resample_height != decoded_frame->height ||
2063 ist->resample_pix_fmt != decoded_frame->format;
2064 if (resample_changed) {
2065 av_log(NULL, AV_LOG_INFO,
2066 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2067 ist->file_index, ist->st->index,
2068 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2069 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2071 ist->resample_width = decoded_frame->width;
2072 ist->resample_height = decoded_frame->height;
2073 ist->resample_pix_fmt = decoded_frame->format;
2075 for (i = 0; i < nb_filtergraphs; i++) {
2076 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2077 configure_filtergraph(filtergraphs[i]) < 0) {
2078 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2084 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2085 for (i = 0; i < ist->nb_filters; i++) {
2086 if (!frame_sample_aspect->num)
2087 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2089 if (i < ist->nb_filters - 1) {
2090 f = ist->filter_frame;
2091 err = av_frame_ref(f, decoded_frame);
2096 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2097 if (ret == AVERROR_EOF) {
2098 ret = 0; /* ignore */
2099 } else if (ret < 0) {
2100 av_log(NULL, AV_LOG_FATAL,
2101 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2107 av_frame_unref(ist->filter_frame);
2108 av_frame_unref(decoded_frame);
2109 return err < 0 ? err : ret;
2112 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2114 AVSubtitle subtitle;
2115 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2116 &subtitle, got_output, pkt);
2118 if (*got_output || ret<0 || pkt->size)
2119 decode_error_stat[ret<0] ++;
2121 if (ret < 0 || !*got_output) {
2123 sub2video_flush(ist);
2127 if (ist->fix_sub_duration) {
2129 if (ist->prev_sub.got_output) {
2130 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2131 1000, AV_TIME_BASE);
2132 if (end < ist->prev_sub.subtitle.end_display_time) {
2133 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2134 "Subtitle duration reduced from %d to %d%s\n",
2135 ist->prev_sub.subtitle.end_display_time, end,
2136 end <= 0 ? ", dropping it" : "");
2137 ist->prev_sub.subtitle.end_display_time = end;
2140 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2141 FFSWAP(int, ret, ist->prev_sub.ret);
2142 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2150 sub2video_update(ist, &subtitle);
2152 if (!subtitle.num_rects)
2155 ist->frames_decoded++;
2157 for (i = 0; i < nb_output_streams; i++) {
2158 OutputStream *ost = output_streams[i];
2160 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2161 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2164 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2168 avsubtitle_free(&subtitle);
2172 static int send_filter_eof(InputStream *ist)
2175 for (i = 0; i < ist->nb_filters; i++) {
2177 ret = av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
2179 ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2187 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2188 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2194 if (!ist->saw_first_ts) {
2195 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;
2197 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2198 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2199 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2201 ist->saw_first_ts = 1;
2204 if (ist->next_dts == AV_NOPTS_VALUE)
2205 ist->next_dts = ist->dts;
2206 if (ist->next_pts == AV_NOPTS_VALUE)
2207 ist->next_pts = ist->pts;
2211 av_init_packet(&avpkt);
2219 if (pkt->dts != AV_NOPTS_VALUE) {
2220 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2221 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2222 ist->next_pts = ist->pts = ist->dts;
2225 // while we have more to decode or while the decoder did output something on EOF
2226 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2230 ist->pts = ist->next_pts;
2231 ist->dts = ist->next_dts;
2233 if (avpkt.size && avpkt.size != pkt->size &&
2234 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2235 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2236 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2237 ist->showed_multi_packet_warning = 1;
2240 switch (ist->dec_ctx->codec_type) {
2241 case AVMEDIA_TYPE_AUDIO:
2242 ret = decode_audio (ist, &avpkt, &got_output);
2244 case AVMEDIA_TYPE_VIDEO:
2245 ret = decode_video (ist, &avpkt, &got_output);
2246 if (avpkt.duration) {
2247 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2248 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2249 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2250 duration = ((int64_t)AV_TIME_BASE *
2251 ist->dec_ctx->framerate.den * ticks) /
2252 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2256 if(ist->dts != AV_NOPTS_VALUE && duration) {
2257 ist->next_dts += duration;
2259 ist->next_dts = AV_NOPTS_VALUE;
2262 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2264 case AVMEDIA_TYPE_SUBTITLE:
2265 ret = transcode_subtitles(ist, &avpkt, &got_output);
2272 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2273 ist->file_index, ist->st->index, av_err2str(ret));
2280 avpkt.pts= AV_NOPTS_VALUE;
2282 // touch data and size only if not EOF
2284 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2292 if (got_output && !pkt)
2296 /* after flushing, send an EOF on all the filter inputs attached to the stream */
2297 if (!pkt && ist->decoding_needed && !got_output) {
2298 int ret = send_filter_eof(ist);
2300 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
2305 /* handle stream copy */
2306 if (!ist->decoding_needed) {
2307 ist->dts = ist->next_dts;
2308 switch (ist->dec_ctx->codec_type) {
2309 case AVMEDIA_TYPE_AUDIO:
2310 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2311 ist->dec_ctx->sample_rate;
2313 case AVMEDIA_TYPE_VIDEO:
2314 if (ist->framerate.num) {
2315 // TODO: Remove work-around for c99-to-c89 issue 7
2316 AVRational time_base_q = AV_TIME_BASE_Q;
2317 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2318 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2319 } else if (pkt->duration) {
2320 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2321 } else if(ist->dec_ctx->framerate.num != 0) {
2322 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2323 ist->next_dts += ((int64_t)AV_TIME_BASE *
2324 ist->dec_ctx->framerate.den * ticks) /
2325 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2329 ist->pts = ist->dts;
2330 ist->next_pts = ist->next_dts;
2332 for (i = 0; pkt && i < nb_output_streams; i++) {
2333 OutputStream *ost = output_streams[i];
2335 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2338 do_streamcopy(ist, ost, pkt);
2344 static void print_sdp(void)
2349 AVIOContext *sdp_pb;
2350 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2354 for (i = 0, j = 0; i < nb_output_files; i++) {
2355 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2356 avc[j] = output_files[i]->ctx;
2361 av_sdp_create(avc, j, sdp, sizeof(sdp));
2363 if (!sdp_filename) {
2364 printf("SDP:\n%s\n", sdp);
2367 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2368 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2370 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2371 avio_closep(&sdp_pb);
2372 av_freep(&sdp_filename);
2379 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2382 for (i = 0; hwaccels[i].name; i++)
2383 if (hwaccels[i].pix_fmt == pix_fmt)
2384 return &hwaccels[i];
2388 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2390 InputStream *ist = s->opaque;
2391 const enum AVPixelFormat *p;
2394 for (p = pix_fmts; *p != -1; p++) {
2395 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2396 const HWAccel *hwaccel;
2398 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2401 hwaccel = get_hwaccel(*p);
2403 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2404 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2407 ret = hwaccel->init(s);
2409 if (ist->hwaccel_id == hwaccel->id) {
2410 av_log(NULL, AV_LOG_FATAL,
2411 "%s hwaccel requested for input stream #%d:%d, "
2412 "but cannot be initialized.\n", hwaccel->name,
2413 ist->file_index, ist->st->index);
2414 return AV_PIX_FMT_NONE;
2418 ist->active_hwaccel_id = hwaccel->id;
2419 ist->hwaccel_pix_fmt = *p;
2426 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2428 InputStream *ist = s->opaque;
2430 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2431 return ist->hwaccel_get_buffer(s, frame, flags);
2433 return avcodec_default_get_buffer2(s, frame, flags);
2436 static int init_input_stream(int ist_index, char *error, int error_len)
2439 InputStream *ist = input_streams[ist_index];
2441 if (ist->decoding_needed) {
2442 AVCodec *codec = ist->dec;
2444 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2445 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2446 return AVERROR(EINVAL);
2449 ist->dec_ctx->opaque = ist;
2450 ist->dec_ctx->get_format = get_format;
2451 ist->dec_ctx->get_buffer2 = get_buffer;
2452 ist->dec_ctx->thread_safe_callbacks = 1;
2454 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2455 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2456 (ist->decoding_needed & DECODING_FOR_OST)) {
2457 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2458 if (ist->decoding_needed & DECODING_FOR_FILTER)
2459 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");
2462 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2463 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2464 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2465 if (ret == AVERROR_EXPERIMENTAL)
2466 abort_codec_experimental(codec, 0);
2468 snprintf(error, error_len,
2469 "Error while opening decoder for input stream "
2471 ist->file_index, ist->st->index, av_err2str(ret));
2474 assert_avoptions(ist->decoder_opts);
2477 ist->next_pts = AV_NOPTS_VALUE;
2478 ist->next_dts = AV_NOPTS_VALUE;
2483 static InputStream *get_input_stream(OutputStream *ost)
2485 if (ost->source_index >= 0)
2486 return input_streams[ost->source_index];
2490 static int compare_int64(const void *a, const void *b)
2492 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2493 return va < vb ? -1 : va > vb ? +1 : 0;
2496 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2497 AVCodecContext *avctx)
2500 int n = 1, i, size, index = 0;
2503 for (p = kf; *p; p++)
2507 pts = av_malloc_array(size, sizeof(*pts));
2509 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2514 for (i = 0; i < n; i++) {
2515 char *next = strchr(p, ',');
2520 if (!memcmp(p, "chapters", 8)) {
2522 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2525 if (avf->nb_chapters > INT_MAX - size ||
2526 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2528 av_log(NULL, AV_LOG_FATAL,
2529 "Could not allocate forced key frames array.\n");
2532 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2533 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2535 for (j = 0; j < avf->nb_chapters; j++) {
2536 AVChapter *c = avf->chapters[j];
2537 av_assert1(index < size);
2538 pts[index++] = av_rescale_q(c->start, c->time_base,
2539 avctx->time_base) + t;
2544 t = parse_time_or_die("force_key_frames", p, 1);
2545 av_assert1(index < size);
2546 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2553 av_assert0(index == size);
2554 qsort(pts, size, sizeof(*pts), compare_int64);
2555 ost->forced_kf_count = size;
2556 ost->forced_kf_pts = pts;
2559 static void report_new_stream(int input_index, AVPacket *pkt)
2561 InputFile *file = input_files[input_index];
2562 AVStream *st = file->ctx->streams[pkt->stream_index];
2564 if (pkt->stream_index < file->nb_streams_warn)
2566 av_log(file->ctx, AV_LOG_WARNING,
2567 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2568 av_get_media_type_string(st->codec->codec_type),
2569 input_index, pkt->stream_index,
2570 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2571 file->nb_streams_warn = pkt->stream_index + 1;
2574 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2576 AVDictionaryEntry *e;
2578 uint8_t *encoder_string;
2579 int encoder_string_len;
2580 int format_flags = 0;
2581 int codec_flags = 0;
2583 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2586 e = av_dict_get(of->opts, "fflags", NULL, 0);
2588 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2591 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2593 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2595 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2598 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2601 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2602 encoder_string = av_mallocz(encoder_string_len);
2603 if (!encoder_string)
2606 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2607 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2609 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2610 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2611 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2612 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2615 static int transcode_init(void)
2617 int ret = 0, i, j, k;
2618 AVFormatContext *oc;
2621 char error[1024] = {0};
2624 for (i = 0; i < nb_filtergraphs; i++) {
2625 FilterGraph *fg = filtergraphs[i];
2626 for (j = 0; j < fg->nb_outputs; j++) {
2627 OutputFilter *ofilter = fg->outputs[j];
2628 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2630 if (fg->nb_inputs != 1)
2632 for (k = nb_input_streams-1; k >= 0 ; k--)
2633 if (fg->inputs[0]->ist == input_streams[k])
2635 ofilter->ost->source_index = k;
2639 /* init framerate emulation */
2640 for (i = 0; i < nb_input_files; i++) {
2641 InputFile *ifile = input_files[i];
2642 if (ifile->rate_emu)
2643 for (j = 0; j < ifile->nb_streams; j++)
2644 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2647 /* output stream init */
2648 for (i = 0; i < nb_output_files; i++) {
2649 oc = output_files[i]->ctx;
2650 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2651 av_dump_format(oc, i, oc->filename, 1);
2652 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2653 return AVERROR(EINVAL);
2657 /* init complex filtergraphs */
2658 for (i = 0; i < nb_filtergraphs; i++)
2659 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2662 /* for each output stream, we compute the right encoding parameters */
2663 for (i = 0; i < nb_output_streams; i++) {
2664 AVCodecContext *enc_ctx;
2665 AVCodecContext *dec_ctx = NULL;
2666 ost = output_streams[i];
2667 oc = output_files[ost->file_index]->ctx;
2668 ist = get_input_stream(ost);
2670 if (ost->attachment_filename)
2673 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2676 dec_ctx = ist->dec_ctx;
2678 ost->st->disposition = ist->st->disposition;
2679 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2680 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2682 for (j=0; j<oc->nb_streams; j++) {
2683 AVStream *st = oc->streams[j];
2684 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2687 if (j == oc->nb_streams)
2688 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2689 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2692 if (ost->stream_copy) {
2694 uint64_t extra_size;
2696 av_assert0(ist && !ost->filter);
2698 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2700 if (extra_size > INT_MAX) {
2701 return AVERROR(EINVAL);
2704 /* if stream_copy is selected, no need to decode or encode */
2705 enc_ctx->codec_id = dec_ctx->codec_id;
2706 enc_ctx->codec_type = dec_ctx->codec_type;
2708 if (!enc_ctx->codec_tag) {
2709 unsigned int codec_tag;
2710 if (!oc->oformat->codec_tag ||
2711 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2712 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2713 enc_ctx->codec_tag = dec_ctx->codec_tag;
2716 enc_ctx->bit_rate = dec_ctx->bit_rate;
2717 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2718 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2719 enc_ctx->field_order = dec_ctx->field_order;
2720 if (dec_ctx->extradata_size) {
2721 enc_ctx->extradata = av_mallocz(extra_size);
2722 if (!enc_ctx->extradata) {
2723 return AVERROR(ENOMEM);
2725 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2727 enc_ctx->extradata_size= dec_ctx->extradata_size;
2728 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2730 enc_ctx->time_base = ist->st->time_base;
2732 * Avi is a special case here because it supports variable fps but
2733 * having the fps and timebase differe significantly adds quite some
2736 if(!strcmp(oc->oformat->name, "avi")) {
2737 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2738 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2739 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2740 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2742 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2743 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2744 enc_ctx->ticks_per_frame = 2;
2745 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2746 && av_q2d(ist->st->time_base) < 1.0/500
2748 enc_ctx->time_base = dec_ctx->time_base;
2749 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2750 enc_ctx->time_base.den *= 2;
2751 enc_ctx->ticks_per_frame = 2;
2753 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2754 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2755 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2756 && strcmp(oc->oformat->name, "f4v")
2758 if( copy_tb<0 && dec_ctx->time_base.den
2759 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2760 && av_q2d(ist->st->time_base) < 1.0/500
2762 enc_ctx->time_base = dec_ctx->time_base;
2763 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2766 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2767 && dec_ctx->time_base.num < dec_ctx->time_base.den
2768 && dec_ctx->time_base.num > 0
2769 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2770 enc_ctx->time_base = dec_ctx->time_base;
2773 if (ist && !ost->frame_rate.num)
2774 ost->frame_rate = ist->framerate;
2775 if(ost->frame_rate.num)
2776 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2778 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2779 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2781 if (ist->st->nb_side_data) {
2782 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2783 sizeof(*ist->st->side_data));
2784 if (!ost->st->side_data)
2785 return AVERROR(ENOMEM);
2787 ost->st->nb_side_data = 0;
2788 for (j = 0; j < ist->st->nb_side_data; j++) {
2789 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2790 AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
2792 if (ost->rotate_overridden && sd_src->type == AV_PKT_DATA_DISPLAYMATRIX)
2795 sd_dst->data = av_malloc(sd_src->size);
2797 return AVERROR(ENOMEM);
2798 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2799 sd_dst->size = sd_src->size;
2800 sd_dst->type = sd_src->type;
2801 ost->st->nb_side_data++;
2805 ost->parser = av_parser_init(enc_ctx->codec_id);
2807 switch (enc_ctx->codec_type) {
2808 case AVMEDIA_TYPE_AUDIO:
2809 if (audio_volume != 256) {
2810 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2813 enc_ctx->channel_layout = dec_ctx->channel_layout;
2814 enc_ctx->sample_rate = dec_ctx->sample_rate;
2815 enc_ctx->channels = dec_ctx->channels;
2816 enc_ctx->frame_size = dec_ctx->frame_size;
2817 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2818 enc_ctx->block_align = dec_ctx->block_align;
2819 enc_ctx->initial_padding = dec_ctx->delay;
2820 #if FF_API_AUDIOENC_DELAY
2821 enc_ctx->delay = dec_ctx->delay;
2823 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2824 enc_ctx->block_align= 0;
2825 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2826 enc_ctx->block_align= 0;
2828 case AVMEDIA_TYPE_VIDEO:
2829 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2830 enc_ctx->width = dec_ctx->width;
2831 enc_ctx->height = dec_ctx->height;
2832 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2833 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2835 av_mul_q(ost->frame_aspect_ratio,
2836 (AVRational){ enc_ctx->height, enc_ctx->width });
2837 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2838 "with stream copy may produce invalid files\n");
2840 else if (ist->st->sample_aspect_ratio.num)
2841 sar = ist->st->sample_aspect_ratio;
2843 sar = dec_ctx->sample_aspect_ratio;
2844 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2845 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2846 ost->st->r_frame_rate = ist->st->r_frame_rate;
2848 case AVMEDIA_TYPE_SUBTITLE:
2849 enc_ctx->width = dec_ctx->width;
2850 enc_ctx->height = dec_ctx->height;
2852 case AVMEDIA_TYPE_UNKNOWN:
2853 case AVMEDIA_TYPE_DATA:
2854 case AVMEDIA_TYPE_ATTACHMENT:
2861 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2863 /* should only happen when a default codec is not present. */
2864 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2865 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2866 ret = AVERROR(EINVAL);
2871 ist->decoding_needed |= DECODING_FOR_OST;
2872 ost->encoding_needed = 1;
2874 set_encoder_id(output_files[ost->file_index], ost);
2877 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2878 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2880 fg = init_simple_filtergraph(ist, ost);
2881 if (configure_filtergraph(fg)) {
2882 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2887 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2888 if (!ost->frame_rate.num)
2889 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2890 if (ist && !ost->frame_rate.num)
2891 ost->frame_rate = ist->framerate;
2892 if (ist && !ost->frame_rate.num)
2893 ost->frame_rate = ist->st->r_frame_rate;
2894 if (ist && !ost->frame_rate.num) {
2895 ost->frame_rate = (AVRational){25, 1};
2896 av_log(NULL, AV_LOG_WARNING,
2898 "about the input framerate is available. Falling "
2899 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2900 "if you want a different framerate.\n",
2901 ost->file_index, ost->index);
2903 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2904 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2905 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2906 ost->frame_rate = ost->enc->supported_framerates[idx];
2908 // reduce frame rate for mpeg4 to be within the spec limits
2909 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2910 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2911 ost->frame_rate.num, ost->frame_rate.den, 65535);
2915 switch (enc_ctx->codec_type) {
2916 case AVMEDIA_TYPE_AUDIO:
2917 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2918 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2919 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2920 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2921 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2923 case AVMEDIA_TYPE_VIDEO:
2924 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2925 if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
2926 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2927 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2928 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2929 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2930 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2932 for (j = 0; j < ost->forced_kf_count; j++)
2933 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2935 enc_ctx->time_base);
2937 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2938 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2939 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2940 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2941 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2942 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2943 if (!strncmp(ost->enc->name, "libx264", 7) &&
2944 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2945 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2946 av_log(NULL, AV_LOG_WARNING,
2947 "No pixel format specified, %s for H.264 encoding chosen.\n"
2948 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2949 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2950 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2951 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2952 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2953 av_log(NULL, AV_LOG_WARNING,
2954 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2955 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2956 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2957 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2959 ost->st->avg_frame_rate = ost->frame_rate;
2962 enc_ctx->width != dec_ctx->width ||
2963 enc_ctx->height != dec_ctx->height ||
2964 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2965 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2968 if (ost->forced_keyframes) {
2969 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2970 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2971 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2973 av_log(NULL, AV_LOG_ERROR,
2974 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2977 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2978 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2979 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2980 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2982 // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
2983 // parse it only for static kf timings
2984 } else if(strncmp(ost->forced_keyframes, "source", 6)) {
2985 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2989 case AVMEDIA_TYPE_SUBTITLE:
2990 enc_ctx->time_base = (AVRational){1, 1000};
2991 if (!enc_ctx->width) {
2992 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2993 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2996 case AVMEDIA_TYPE_DATA:
3003 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
3004 char logfilename[1024];
3007 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
3008 ost->logfile_prefix ? ost->logfile_prefix :
3009 DEFAULT_PASS_LOGFILENAME_PREFIX,
3011 if (!strcmp(ost->enc->name, "libx264")) {
3012 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
3014 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
3016 size_t logbuffer_size;
3017 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
3018 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
3022 enc_ctx->stats_in = logbuffer;
3024 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
3025 f = av_fopen_utf8(logfilename, "wb");
3027 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
3028 logfilename, strerror(errno));
3037 if (ost->disposition) {
3038 static const AVOption opts[] = {
3039 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3040 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3041 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3042 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3043 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3044 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3045 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3046 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3047 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3048 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3049 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3050 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3051 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3052 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3055 static const AVClass class = {
3057 .item_name = av_default_item_name,
3059 .version = LIBAVUTIL_VERSION_INT,
3061 const AVClass *pclass = &class;
3063 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3069 /* open each encoder */
3070 for (i = 0; i < nb_output_streams; i++) {
3071 ost = output_streams[i];
3072 if (ost->encoding_needed) {
3073 AVCodec *codec = ost->enc;
3074 AVCodecContext *dec = NULL;
3076 if ((ist = get_input_stream(ost)))
3078 if (dec && dec->subtitle_header) {
3079 /* ASS code assumes this buffer is null terminated so add extra byte. */
3080 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3081 if (!ost->enc_ctx->subtitle_header) {
3082 ret = AVERROR(ENOMEM);
3085 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3086 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3088 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3089 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3090 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3092 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3093 if (ret == AVERROR_EXPERIMENTAL)
3094 abort_codec_experimental(codec, 1);
3095 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3096 ost->file_index, ost->index);
3099 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3100 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3101 av_buffersink_set_frame_size(ost->filter->filter,
3102 ost->enc_ctx->frame_size);
3103 assert_avoptions(ost->encoder_opts);
3104 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3105 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3106 " It takes bits/s as argument, not kbits/s\n");
3108 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3110 av_log(NULL, AV_LOG_FATAL,
3111 "Error initializing the output stream codec context.\n");
3115 // copy timebase while removing common factors
3116 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3117 ost->st->codec->codec= ost->enc_ctx->codec;
3119 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3121 av_log(NULL, AV_LOG_FATAL,
3122 "Error setting up codec context options.\n");
3125 // copy timebase while removing common factors
3126 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
3130 /* init input streams */
3131 for (i = 0; i < nb_input_streams; i++)
3132 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3133 for (i = 0; i < nb_output_streams; i++) {
3134 ost = output_streams[i];
3135 avcodec_close(ost->enc_ctx);
3140 /* discard unused programs */
3141 for (i = 0; i < nb_input_files; i++) {
3142 InputFile *ifile = input_files[i];
3143 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3144 AVProgram *p = ifile->ctx->programs[j];
3145 int discard = AVDISCARD_ALL;
3147 for (k = 0; k < p->nb_stream_indexes; k++)
3148 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3149 discard = AVDISCARD_DEFAULT;
3152 p->discard = discard;
3156 /* open files and write file headers */
3157 for (i = 0; i < nb_output_files; i++) {
3158 oc = output_files[i]->ctx;
3159 oc->interrupt_callback = int_cb;
3160 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3161 snprintf(error, sizeof(error),
3162 "Could not write header for output file #%d "
3163 "(incorrect codec parameters ?): %s",
3164 i, av_err2str(ret));
3165 ret = AVERROR(EINVAL);
3168 // assert_avoptions(output_files[i]->opts);
3169 if (strcmp(oc->oformat->name, "rtp")) {
3175 /* dump the file output parameters - cannot be done before in case
3177 for (i = 0; i < nb_output_files; i++) {
3178 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3181 /* dump the stream mapping */
3182 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3183 for (i = 0; i < nb_input_streams; i++) {
3184 ist = input_streams[i];
3186 for (j = 0; j < ist->nb_filters; j++) {
3187 if (ist->filters[j]->graph->graph_desc) {
3188 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3189 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3190 ist->filters[j]->name);
3191 if (nb_filtergraphs > 1)
3192 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3193 av_log(NULL, AV_LOG_INFO, "\n");
3198 for (i = 0; i < nb_output_streams; i++) {
3199 ost = output_streams[i];
3201 if (ost->attachment_filename) {
3202 /* an attached file */
3203 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3204 ost->attachment_filename, ost->file_index, ost->index);
3208 if (ost->filter && ost->filter->graph->graph_desc) {
3209 /* output from a complex graph */
3210 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3211 if (nb_filtergraphs > 1)
3212 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3214 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3215 ost->index, ost->enc ? ost->enc->name : "?");
3219 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3220 input_streams[ost->source_index]->file_index,
3221 input_streams[ost->source_index]->st->index,
3224 if (ost->sync_ist != input_streams[ost->source_index])
3225 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3226 ost->sync_ist->file_index,
3227 ost->sync_ist->st->index);
3228 if (ost->stream_copy)
3229 av_log(NULL, AV_LOG_INFO, " (copy)");
3231 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3232 const AVCodec *out_codec = ost->enc;
3233 const char *decoder_name = "?";
3234 const char *in_codec_name = "?";
3235 const char *encoder_name = "?";
3236 const char *out_codec_name = "?";
3237 const AVCodecDescriptor *desc;
3240 decoder_name = in_codec->name;
3241 desc = avcodec_descriptor_get(in_codec->id);
3243 in_codec_name = desc->name;
3244 if (!strcmp(decoder_name, in_codec_name))
3245 decoder_name = "native";
3249 encoder_name = out_codec->name;
3250 desc = avcodec_descriptor_get(out_codec->id);
3252 out_codec_name = desc->name;
3253 if (!strcmp(encoder_name, out_codec_name))
3254 encoder_name = "native";
3257 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3258 in_codec_name, decoder_name,
3259 out_codec_name, encoder_name);
3261 av_log(NULL, AV_LOG_INFO, "\n");
3265 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3269 if (sdp_filename || want_sdp) {
3273 transcode_init_done = 1;
3278 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3279 static int need_output(void)
3283 for (i = 0; i < nb_output_streams; i++) {
3284 OutputStream *ost = output_streams[i];
3285 OutputFile *of = output_files[ost->file_index];
3286 AVFormatContext *os = output_files[ost->file_index]->ctx;
3288 if (ost->finished ||
3289 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3291 if (ost->frame_number >= ost->max_frames) {
3293 for (j = 0; j < of->ctx->nb_streams; j++)
3294 close_output_stream(output_streams[of->ost_index + j]);
3305 * Select the output stream to process.
3307 * @return selected output stream, or NULL if none available
3309 static OutputStream *choose_output(void)
3312 int64_t opts_min = INT64_MAX;
3313 OutputStream *ost_min = NULL;
3315 for (i = 0; i < nb_output_streams; i++) {
3316 OutputStream *ost = output_streams[i];
3317 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3319 if (!ost->finished && opts < opts_min) {
3321 ost_min = ost->unavailable ? NULL : ost;
3327 static int check_keyboard_interaction(int64_t cur_time)
3330 static int64_t last_time;
3331 if (received_nb_signals)
3332 return AVERROR_EXIT;
3333 /* read_key() returns 0 on EOF */
3334 if(cur_time - last_time >= 100000 && !run_as_daemon){
3336 last_time = cur_time;
3340 return AVERROR_EXIT;
3341 if (key == '+') av_log_set_level(av_log_get_level()+10);
3342 if (key == '-') av_log_set_level(av_log_get_level()-10);
3343 if (key == 's') qp_hist ^= 1;
3346 do_hex_dump = do_pkt_dump = 0;
3347 } else if(do_pkt_dump){
3351 av_log_set_level(AV_LOG_DEBUG);
3353 if (key == 'c' || key == 'C'){
3354 char buf[4096], target[64], command[256], arg[256] = {0};
3357 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3359 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3364 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3365 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3366 target, time, command, arg);
3367 for (i = 0; i < nb_filtergraphs; i++) {
3368 FilterGraph *fg = filtergraphs[i];
3371 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3372 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3373 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3374 } else if (key == 'c') {
3375 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3376 ret = AVERROR_PATCHWELCOME;
3378 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3380 fprintf(stderr, "Queing command failed with error %s\n", av_err2str(ret));
3385 av_log(NULL, AV_LOG_ERROR,
3386 "Parse error, at least 3 arguments were expected, "
3387 "only %d given in string '%s'\n", n, buf);
3390 if (key == 'd' || key == 'D'){
3393 debug = input_streams[0]->st->codec->debug<<1;
3394 if(!debug) debug = 1;
3395 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3398 if(scanf("%d", &debug)!=1)
3399 fprintf(stderr,"error parsing debug value\n");
3400 for(i=0;i<nb_input_streams;i++) {
3401 input_streams[i]->st->codec->debug = debug;
3403 for(i=0;i<nb_output_streams;i++) {
3404 OutputStream *ost = output_streams[i];
3405 ost->enc_ctx->debug = debug;
3407 if(debug) av_log_set_level(AV_LOG_DEBUG);
3408 fprintf(stderr,"debug=%d\n", debug);
3411 fprintf(stderr, "key function\n"
3412 "? show this help\n"
3413 "+ increase verbosity\n"
3414 "- decrease verbosity\n"
3415 "c Send command to first matching filter supporting it\n"
3416 "C Send/Que command to all matching filters\n"
3417 "D cycle through available debug modes\n"
3418 "h dump packets/hex press to cycle through the 3 states\n"
3420 "s Show QP histogram\n"
3427 static void *input_thread(void *arg)
3430 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3435 ret = av_read_frame(f->ctx, &pkt);
3437 if (ret == AVERROR(EAGAIN)) {
3442 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3445 av_dup_packet(&pkt);
3446 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3447 if (flags && ret == AVERROR(EAGAIN)) {
3449 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3450 av_log(f->ctx, AV_LOG_WARNING,
3451 "Thread message queue blocking; consider raising the "
3452 "thread_queue_size option (current value: %d)\n",
3453 f->thread_queue_size);
3456 if (ret != AVERROR_EOF)
3457 av_log(f->ctx, AV_LOG_ERROR,
3458 "Unable to send packet to main thread: %s\n",
3460 av_free_packet(&pkt);
3461 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3469 static void free_input_threads(void)
3473 for (i = 0; i < nb_input_files; i++) {
3474 InputFile *f = input_files[i];
3477 if (!f->in_thread_queue)
3479 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3480 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3481 av_free_packet(&pkt);
3483 pthread_join(f->thread, NULL);
3485 av_thread_message_queue_free(&f->in_thread_queue);
3489 static int init_input_threads(void)
3493 if (nb_input_files == 1)
3496 for (i = 0; i < nb_input_files; i++) {
3497 InputFile *f = input_files[i];
3499 if (f->ctx->pb ? !f->ctx->pb->seekable :
3500 strcmp(f->ctx->iformat->name, "lavfi"))
3501 f->non_blocking = 1;
3502 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3503 f->thread_queue_size, sizeof(AVPacket));
3507 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3508 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3509 av_thread_message_queue_free(&f->in_thread_queue);
3510 return AVERROR(ret);
3516 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3518 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3520 AV_THREAD_MESSAGE_NONBLOCK : 0);
3524 static int get_input_packet(InputFile *f, AVPacket *pkt)
3528 for (i = 0; i < f->nb_streams; i++) {
3529 InputStream *ist = input_streams[f->ist_index + i];
3530 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3531 int64_t now = av_gettime_relative() - ist->start;
3533 return AVERROR(EAGAIN);
3538 if (nb_input_files > 1)
3539 return get_input_packet_mt(f, pkt);
3541 return av_read_frame(f->ctx, pkt);
3544 static int got_eagain(void)
3547 for (i = 0; i < nb_output_streams; i++)
3548 if (output_streams[i]->unavailable)
3553 static void reset_eagain(void)
3556 for (i = 0; i < nb_input_files; i++)
3557 input_files[i]->eagain = 0;
3558 for (i = 0; i < nb_output_streams; i++)
3559 output_streams[i]->unavailable = 0;
3564 * - 0 -- one packet was read and processed
3565 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3566 * this function should be called again
3567 * - AVERROR_EOF -- this function should not be called again
3569 static int process_input(int file_index)
3571 InputFile *ifile = input_files[file_index];
3572 AVFormatContext *is;
3578 ret = get_input_packet(ifile, &pkt);
3580 if (ret == AVERROR(EAGAIN)) {
3585 if (ret != AVERROR_EOF) {
3586 print_error(is->filename, ret);
3591 for (i = 0; i < ifile->nb_streams; i++) {
3592 ist = input_streams[ifile->ist_index + i];
3593 if (ist->decoding_needed) {
3594 ret = process_input_packet(ist, NULL);
3599 /* mark all outputs that don't go through lavfi as finished */
3600 for (j = 0; j < nb_output_streams; j++) {
3601 OutputStream *ost = output_streams[j];
3603 if (ost->source_index == ifile->ist_index + i &&
3604 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3605 finish_output_stream(ost);
3609 ifile->eof_reached = 1;
3610 return AVERROR(EAGAIN);
3616 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3617 is->streams[pkt.stream_index]);
3619 /* the following test is needed in case new streams appear
3620 dynamically in stream : we ignore them */
3621 if (pkt.stream_index >= ifile->nb_streams) {
3622 report_new_stream(file_index, &pkt);
3623 goto discard_packet;
3626 ist = input_streams[ifile->ist_index + pkt.stream_index];
3628 ist->data_size += pkt.size;
3632 goto discard_packet;
3635 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3636 "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",
3637 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3638 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3639 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3640 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3641 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3642 av_ts2str(input_files[ist->file_index]->ts_offset),
3643 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3646 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3647 int64_t stime, stime2;
3648 // Correcting starttime based on the enabled streams
3649 // 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.
3650 // so we instead do it here as part of discontinuity handling
3651 if ( ist->next_dts == AV_NOPTS_VALUE
3652 && ifile->ts_offset == -is->start_time
3653 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3654 int64_t new_start_time = INT64_MAX;
3655 for (i=0; i<is->nb_streams; i++) {
3656 AVStream *st = is->streams[i];
3657 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3659 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3661 if (new_start_time > is->start_time) {
3662 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3663 ifile->ts_offset = -new_start_time;
3667 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3668 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3669 ist->wrap_correction_done = 1;
3671 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3672 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3673 ist->wrap_correction_done = 0;
3675 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3676 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3677 ist->wrap_correction_done = 0;
3681 /* add the stream-global side data to the first packet */
3682 if (ist->nb_packets == 1) {
3683 if (ist->st->nb_side_data)
3684 av_packet_split_side_data(&pkt);
3685 for (i = 0; i < ist->st->nb_side_data; i++) {
3686 AVPacketSideData *src_sd = &ist->st->side_data[i];
3689 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3691 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3694 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3698 memcpy(dst_data, src_sd->data, src_sd->size);
3702 if (pkt.dts != AV_NOPTS_VALUE)
3703 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3704 if (pkt.pts != AV_NOPTS_VALUE)
3705 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3707 if (pkt.pts != AV_NOPTS_VALUE)
3708 pkt.pts *= ist->ts_scale;
3709 if (pkt.dts != AV_NOPTS_VALUE)
3710 pkt.dts *= ist->ts_scale;
3712 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3713 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3714 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3715 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3716 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3717 int64_t delta = pkt_dts - ifile->last_ts;
3718 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3719 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3720 ifile->ts_offset -= delta;
3721 av_log(NULL, AV_LOG_DEBUG,
3722 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3723 delta, ifile->ts_offset);
3724 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3725 if (pkt.pts != AV_NOPTS_VALUE)
3726 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3730 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3731 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3732 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3734 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3735 int64_t delta = pkt_dts - ist->next_dts;
3736 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3737 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3738 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3739 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3740 ifile->ts_offset -= delta;
3741 av_log(NULL, AV_LOG_DEBUG,
3742 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3743 delta, ifile->ts_offset);
3744 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3745 if (pkt.pts != AV_NOPTS_VALUE)
3746 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3749 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3750 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3751 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3752 pkt.dts = AV_NOPTS_VALUE;
3754 if (pkt.pts != AV_NOPTS_VALUE){
3755 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3756 delta = pkt_pts - ist->next_dts;
3757 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3758 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3759 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3760 pkt.pts = AV_NOPTS_VALUE;
3766 if (pkt.dts != AV_NOPTS_VALUE)
3767 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3770 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",
3771 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3772 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3773 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3774 av_ts2str(input_files[ist->file_index]->ts_offset),
3775 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3778 sub2video_heartbeat(ist, pkt.pts);
3780 process_input_packet(ist, &pkt);
3783 av_free_packet(&pkt);
3789 * Perform a step of transcoding for the specified filter graph.
3791 * @param[in] graph filter graph to consider
3792 * @param[out] best_ist input stream where a frame would allow to continue
3793 * @return 0 for success, <0 for error
3795 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3798 int nb_requests, nb_requests_max = 0;
3799 InputFilter *ifilter;
3803 ret = avfilter_graph_request_oldest(graph->graph);
3805 return reap_filters(0);
3807 if (ret == AVERROR_EOF) {
3808 ret = reap_filters(1);
3809 for (i = 0; i < graph->nb_outputs; i++)
3810 close_output_stream(graph->outputs[i]->ost);
3813 if (ret != AVERROR(EAGAIN))
3816 for (i = 0; i < graph->nb_inputs; i++) {
3817 ifilter = graph->inputs[i];
3819 if (input_files[ist->file_index]->eagain ||
3820 input_files[ist->file_index]->eof_reached)
3822 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3823 if (nb_requests > nb_requests_max) {
3824 nb_requests_max = nb_requests;
3830 for (i = 0; i < graph->nb_outputs; i++)
3831 graph->outputs[i]->ost->unavailable = 1;
3837 * Run a single step of transcoding.
3839 * @return 0 for success, <0 for error
3841 static int transcode_step(void)
3847 ost = choose_output();
3854 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3859 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3864 av_assert0(ost->source_index >= 0);
3865 ist = input_streams[ost->source_index];
3868 ret = process_input(ist->file_index);
3869 if (ret == AVERROR(EAGAIN)) {
3870 if (input_files[ist->file_index]->eagain)
3871 ost->unavailable = 1;
3876 return ret == AVERROR_EOF ? 0 : ret;
3878 return reap_filters(0);
3882 * The following code is the main loop of the file converter
3884 static int transcode(void)
3887 AVFormatContext *os;
3890 int64_t timer_start;
3892 ret = transcode_init();
3896 if (stdin_interaction) {
3897 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3900 timer_start = av_gettime_relative();
3903 if ((ret = init_input_threads()) < 0)
3907 while (!received_sigterm) {
3908 int64_t cur_time= av_gettime_relative();
3910 /* if 'q' pressed, exits */
3911 if (stdin_interaction)
3912 if (check_keyboard_interaction(cur_time) < 0)
3915 /* check if there's any stream where output is still needed */
3916 if (!need_output()) {
3917 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3921 ret = transcode_step();
3923 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
3927 av_strerror(ret, errbuf, sizeof(errbuf));
3929 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
3934 /* dump report by using the output first video and audio streams */
3935 print_report(0, timer_start, cur_time);
3938 free_input_threads();
3941 /* at the end of stream, we must flush the decoder buffers */
3942 for (i = 0; i < nb_input_streams; i++) {
3943 ist = input_streams[i];
3944 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3945 process_input_packet(ist, NULL);
3952 /* write the trailer if needed and close file */
3953 for (i = 0; i < nb_output_files; i++) {
3954 os = output_files[i]->ctx;
3955 av_write_trailer(os);
3958 /* dump report by using the first video and audio streams */
3959 print_report(1, timer_start, av_gettime_relative());
3961 /* close each encoder */
3962 for (i = 0; i < nb_output_streams; i++) {
3963 ost = output_streams[i];
3964 if (ost->encoding_needed) {
3965 av_freep(&ost->enc_ctx->stats_in);
3969 /* close each decoder */
3970 for (i = 0; i < nb_input_streams; i++) {
3971 ist = input_streams[i];
3972 if (ist->decoding_needed) {
3973 avcodec_close(ist->dec_ctx);
3974 if (ist->hwaccel_uninit)
3975 ist->hwaccel_uninit(ist->dec_ctx);
3984 free_input_threads();
3987 if (output_streams) {
3988 for (i = 0; i < nb_output_streams; i++) {
3989 ost = output_streams[i];
3992 fclose(ost->logfile);
3993 ost->logfile = NULL;
3995 av_freep(&ost->forced_kf_pts);
3996 av_freep(&ost->apad);
3997 av_freep(&ost->disposition);
3998 av_dict_free(&ost->encoder_opts);
3999 av_dict_free(&ost->swr_opts);
4000 av_dict_free(&ost->resample_opts);
4001 av_dict_free(&ost->bsf_args);
4009 static int64_t getutime(void)
4012 struct rusage rusage;
4014 getrusage(RUSAGE_SELF, &rusage);
4015 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4016 #elif HAVE_GETPROCESSTIMES
4018 FILETIME c, e, k, u;
4019 proc = GetCurrentProcess();
4020 GetProcessTimes(proc, &c, &e, &k, &u);
4021 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4023 return av_gettime_relative();
4027 static int64_t getmaxrss(void)
4029 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4030 struct rusage rusage;
4031 getrusage(RUSAGE_SELF, &rusage);
4032 return (int64_t)rusage.ru_maxrss * 1024;
4033 #elif HAVE_GETPROCESSMEMORYINFO
4035 PROCESS_MEMORY_COUNTERS memcounters;
4036 proc = GetCurrentProcess();
4037 memcounters.cb = sizeof(memcounters);
4038 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4039 return memcounters.PeakPagefileUsage;
4045 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4049 int main(int argc, char **argv)
4054 register_exit(ffmpeg_cleanup);
4056 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4058 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4059 parse_loglevel(argc, argv, options);
4061 if(argc>1 && !strcmp(argv[1], "-d")){
4063 av_log_set_callback(log_callback_null);
4068 avcodec_register_all();
4070 avdevice_register_all();
4072 avfilter_register_all();
4074 avformat_network_init();
4076 show_banner(argc, argv, options);
4080 /* parse options and open all input/output files */
4081 ret = ffmpeg_parse_options(argc, argv);
4085 if (nb_output_files <= 0 && nb_input_files == 0) {
4087 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4091 /* file converter / grab */
4092 if (nb_output_files <= 0) {
4093 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4097 // if (nb_input_files == 0) {
4098 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4102 current_time = ti = getutime();
4103 if (transcode() < 0)
4105 ti = getutime() - ti;
4107 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4109 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4110 decode_error_stat[0], decode_error_stat[1]);
4111 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4114 exit_program(received_nb_signals ? 255 : main_return_code);
4115 return main_return_code;