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)
335 istty = isatty(0) && isatty(2);
337 if (istty && tcgetattr (0, &tty) == 0) {
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
356 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
357 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
359 signal(SIGXCPU, sigterm_handler);
363 /* read a key without blocking */
364 static int read_key(void)
376 n = select(1, &rfds, NULL, NULL, &tv);
385 # if HAVE_PEEKNAMEDPIPE
387 static HANDLE input_handle;
390 input_handle = GetStdHandle(STD_INPUT_HANDLE);
391 is_pipe = !GetConsoleMode(input_handle, &dw);
394 if (stdin->_cnt > 0) {
399 /* When running under a GUI, you will end here. */
400 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
401 // input pipe may have been closed by the program that ran ffmpeg
419 static int decode_interrupt_cb(void *ctx)
421 return received_nb_signals > transcode_init_done;
424 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
426 static void ffmpeg_cleanup(int ret)
431 int maxrss = getmaxrss() / 1024;
432 printf("bench: maxrss=%ikB\n", maxrss);
435 for (i = 0; i < nb_filtergraphs; i++) {
436 FilterGraph *fg = filtergraphs[i];
437 avfilter_graph_free(&fg->graph);
438 for (j = 0; j < fg->nb_inputs; j++) {
439 av_freep(&fg->inputs[j]->name);
440 av_freep(&fg->inputs[j]);
442 av_freep(&fg->inputs);
443 for (j = 0; j < fg->nb_outputs; j++) {
444 av_freep(&fg->outputs[j]->name);
445 av_freep(&fg->outputs[j]);
447 av_freep(&fg->outputs);
448 av_freep(&fg->graph_desc);
450 av_freep(&filtergraphs[i]);
452 av_freep(&filtergraphs);
454 av_freep(&subtitle_out);
457 for (i = 0; i < nb_output_files; i++) {
458 OutputFile *of = output_files[i];
459 AVFormatContext *s = of->ctx;
460 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
462 avformat_free_context(s);
463 av_dict_free(&of->opts);
465 av_freep(&output_files[i]);
467 for (i = 0; i < nb_output_streams; i++) {
468 OutputStream *ost = output_streams[i];
469 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
471 AVBitStreamFilterContext *next = bsfc->next;
472 av_bitstream_filter_close(bsfc);
475 ost->bitstream_filters = NULL;
476 av_frame_free(&ost->filtered_frame);
477 av_frame_free(&ost->last_frame);
479 av_parser_close(ost->parser);
481 av_freep(&ost->forced_keyframes);
482 av_expr_free(ost->forced_keyframes_pexpr);
483 av_freep(&ost->avfilter);
484 av_freep(&ost->logfile_prefix);
486 av_freep(&ost->audio_channels_map);
487 ost->audio_channels_mapped = 0;
489 avcodec_free_context(&ost->enc_ctx);
491 av_freep(&output_streams[i]);
494 free_input_threads();
496 for (i = 0; i < nb_input_files; i++) {
497 avformat_close_input(&input_files[i]->ctx);
498 av_freep(&input_files[i]);
500 for (i = 0; i < nb_input_streams; i++) {
501 InputStream *ist = input_streams[i];
503 av_frame_free(&ist->decoded_frame);
504 av_frame_free(&ist->filter_frame);
505 av_dict_free(&ist->decoder_opts);
506 avsubtitle_free(&ist->prev_sub.subtitle);
507 av_frame_free(&ist->sub2video.frame);
508 av_freep(&ist->filters);
509 av_freep(&ist->hwaccel_device);
511 avcodec_free_context(&ist->dec_ctx);
513 av_freep(&input_streams[i]);
518 av_freep(&vstats_filename);
520 av_freep(&input_streams);
521 av_freep(&input_files);
522 av_freep(&output_streams);
523 av_freep(&output_files);
527 avformat_network_deinit();
529 if (received_sigterm) {
530 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
531 (int) received_sigterm);
532 } else if (ret && transcode_init_done) {
533 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
538 void remove_avoptions(AVDictionary **a, AVDictionary *b)
540 AVDictionaryEntry *t = NULL;
542 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
543 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
547 void assert_avoptions(AVDictionary *m)
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
556 static void abort_codec_experimental(AVCodec *c, int encoder)
561 static void update_benchmark(const char *fmt, ...)
563 if (do_benchmark_all) {
564 int64_t t = getutime();
570 vsnprintf(buf, sizeof(buf), fmt, va);
572 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
578 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
581 for (i = 0; i < nb_output_streams; i++) {
582 OutputStream *ost2 = output_streams[i];
583 ost2->finished |= ost == ost2 ? this_stream : others;
587 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
589 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
590 AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
593 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
594 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
595 if (ost->st->codec->extradata) {
596 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
597 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
601 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
602 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
603 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
606 * Audio encoders may split the packets -- #frames in != #packets out.
607 * But there is no reordering, so we can limit the number of output packets
608 * by simply dropping them here.
609 * Counting encoded video frames needs to be done separately because of
610 * reordering, see do_video_out()
612 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
613 if (ost->frame_number >= ost->max_frames) {
621 av_packet_split_side_data(pkt);
624 AVPacket new_pkt = *pkt;
625 AVDictionaryEntry *bsf_arg = av_dict_get(ost->bsf_args,
628 int a = av_bitstream_filter_filter(bsfc, avctx,
629 bsf_arg ? bsf_arg->value : NULL,
630 &new_pkt.data, &new_pkt.size,
631 pkt->data, pkt->size,
632 pkt->flags & AV_PKT_FLAG_KEY);
633 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
634 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
636 memcpy(t, new_pkt.data, new_pkt.size);
637 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
645 pkt->side_data = NULL;
646 pkt->side_data_elems = 0;
648 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
649 av_buffer_default_free, NULL, 0);
654 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
655 bsfc->filter->name, pkt->stream_index,
656 avctx->codec ? avctx->codec->name : "copy");
666 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
667 if (pkt->dts != AV_NOPTS_VALUE &&
668 pkt->pts != AV_NOPTS_VALUE &&
669 pkt->dts > pkt->pts) {
670 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
672 ost->file_index, ost->st->index);
674 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
675 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
676 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
679 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
680 pkt->dts != AV_NOPTS_VALUE &&
681 ost->last_mux_dts != AV_NOPTS_VALUE) {
682 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
683 if (pkt->dts < max) {
684 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
685 av_log(s, loglevel, "Non-monotonous DTS in output stream "
686 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
687 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
689 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
692 av_log(s, loglevel, "changing to %"PRId64". This may result "
693 "in incorrect timestamps in the output file.\n",
695 if(pkt->pts >= pkt->dts)
696 pkt->pts = FFMAX(pkt->pts, max);
701 ost->last_mux_dts = pkt->dts;
703 ost->data_size += pkt->size;
704 ost->packets_written++;
706 pkt->stream_index = ost->index;
709 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
710 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
711 av_get_media_type_string(ost->enc_ctx->codec_type),
712 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
713 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
718 ret = av_interleaved_write_frame(s, pkt);
720 print_error("av_interleaved_write_frame()", ret);
721 main_return_code = 1;
722 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
727 static void close_output_stream(OutputStream *ost)
729 OutputFile *of = output_files[ost->file_index];
731 ost->finished |= ENCODER_FINISHED;
733 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
734 of->recording_time = FFMIN(of->recording_time, end);
738 static int check_recording_time(OutputStream *ost)
740 OutputFile *of = output_files[ost->file_index];
742 if (of->recording_time != INT64_MAX &&
743 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
744 AV_TIME_BASE_Q) >= 0) {
745 close_output_stream(ost);
751 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
754 AVCodecContext *enc = ost->enc_ctx;
758 av_init_packet(&pkt);
762 if (!check_recording_time(ost))
765 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
766 frame->pts = ost->sync_opts;
767 ost->sync_opts = frame->pts + frame->nb_samples;
768 ost->samples_encoded += frame->nb_samples;
769 ost->frames_encoded++;
771 av_assert0(pkt.size || !pkt.data);
772 update_benchmark(NULL);
774 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
775 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
776 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
777 enc->time_base.num, enc->time_base.den);
780 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
781 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
784 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
787 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
790 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
791 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
792 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
793 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
796 write_frame(s, &pkt, ost);
800 static void do_subtitle_out(AVFormatContext *s,
805 int subtitle_out_max_size = 1024 * 1024;
806 int subtitle_out_size, nb, i;
811 if (sub->pts == AV_NOPTS_VALUE) {
812 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
821 subtitle_out = av_malloc(subtitle_out_max_size);
823 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
828 /* Note: DVB subtitle need one packet to draw them and one other
829 packet to clear them */
830 /* XXX: signal it in the codec context ? */
831 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
836 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
838 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
839 pts -= output_files[ost->file_index]->start_time;
840 for (i = 0; i < nb; i++) {
841 unsigned save_num_rects = sub->num_rects;
843 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
844 if (!check_recording_time(ost))
848 // start_display_time is required to be 0
849 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
850 sub->end_display_time -= sub->start_display_time;
851 sub->start_display_time = 0;
855 ost->frames_encoded++;
857 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
858 subtitle_out_max_size, sub);
860 sub->num_rects = save_num_rects;
861 if (subtitle_out_size < 0) {
862 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
866 av_init_packet(&pkt);
867 pkt.data = subtitle_out;
868 pkt.size = subtitle_out_size;
869 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
870 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
871 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
872 /* XXX: the pts correction is handled here. Maybe handling
873 it in the codec would be better */
875 pkt.pts += 90 * sub->start_display_time;
877 pkt.pts += 90 * sub->end_display_time;
880 write_frame(s, &pkt, ost);
884 static void do_video_out(AVFormatContext *s,
886 AVFrame *next_picture,
889 int ret, format_video_sync;
891 AVCodecContext *enc = ost->enc_ctx;
892 AVCodecContext *mux_enc = ost->st->codec;
893 int nb_frames, nb0_frames, i;
894 double delta, delta0;
897 InputStream *ist = NULL;
898 AVFilterContext *filter = ost->filter->filter;
900 if (ost->source_index >= 0)
901 ist = input_streams[ost->source_index];
903 if (filter->inputs[0]->frame_rate.num > 0 &&
904 filter->inputs[0]->frame_rate.den > 0)
905 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
907 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
908 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
910 if (!ost->filters_script &&
914 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
915 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
920 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
921 ost->last_nb0_frames[1],
922 ost->last_nb0_frames[2]);
924 delta0 = sync_ipts - ost->sync_opts;
925 delta = delta0 + duration;
927 /* by default, we output a single frame */
931 format_video_sync = video_sync_method;
932 if (format_video_sync == VSYNC_AUTO) {
933 if(!strcmp(s->oformat->name, "avi")) {
934 format_video_sync = VSYNC_VFR;
936 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
938 && format_video_sync == VSYNC_CFR
939 && input_files[ist->file_index]->ctx->nb_streams == 1
940 && input_files[ist->file_index]->input_ts_offset == 0) {
941 format_video_sync = VSYNC_VSCFR;
943 if (format_video_sync == VSYNC_CFR && copy_ts) {
944 format_video_sync = VSYNC_VSCFR;
950 format_video_sync != VSYNC_PASSTHROUGH &&
951 format_video_sync != VSYNC_DROP) {
952 double cor = FFMIN(-delta0, duration);
954 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
956 av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
962 switch (format_video_sync) {
964 if (ost->frame_number == 0 && delta - duration >= 0.5) {
965 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
968 ost->sync_opts = lrint(sync_ipts);
971 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
972 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
974 } else if (delta < -1.1)
976 else if (delta > 1.1) {
977 nb_frames = lrintf(delta);
979 nb0_frames = lrintf(delta0 - 0.6);
985 else if (delta > 0.6)
986 ost->sync_opts = lrint(sync_ipts);
989 case VSYNC_PASSTHROUGH:
990 ost->sync_opts = lrint(sync_ipts);
997 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
998 nb0_frames = FFMIN(nb0_frames, nb_frames);
1000 memmove(ost->last_nb0_frames + 1,
1001 ost->last_nb0_frames,
1002 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1003 ost->last_nb0_frames[0] = nb0_frames;
1005 if (nb0_frames == 0 && ost->last_droped) {
1007 av_log(NULL, AV_LOG_VERBOSE,
1008 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1009 ost->frame_number, ost->st->index, ost->last_frame->pts);
1011 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
1012 if (nb_frames > dts_error_threshold * 30) {
1013 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1017 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
1018 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1020 ost->last_droped = nb_frames == nb0_frames && next_picture;
1022 /* duplicates frame if needed */
1023 for (i = 0; i < nb_frames; i++) {
1024 AVFrame *in_picture;
1025 av_init_packet(&pkt);
1029 if (i < nb0_frames && ost->last_frame) {
1030 in_picture = ost->last_frame;
1032 in_picture = next_picture;
1037 in_picture->pts = ost->sync_opts;
1040 if (!check_recording_time(ost))
1042 if (ost->frame_number >= ost->max_frames)
1046 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1047 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1048 /* raw pictures are written as AVPicture structure to
1049 avoid any copies. We support temporarily the older
1051 if (in_picture->interlaced_frame)
1052 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1054 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1055 pkt.data = (uint8_t *)in_picture;
1056 pkt.size = sizeof(AVPicture);
1057 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1058 pkt.flags |= AV_PKT_FLAG_KEY;
1060 write_frame(s, &pkt, ost);
1062 int got_packet, forced_keyframe = 0;
1065 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1066 ost->top_field_first >= 0)
1067 in_picture->top_field_first = !!ost->top_field_first;
1069 if (in_picture->interlaced_frame) {
1070 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1071 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1073 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1075 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1077 in_picture->quality = enc->global_quality;
1078 in_picture->pict_type = 0;
1080 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1081 in_picture->pts * av_q2d(enc->time_base) : NAN;
1082 if (ost->forced_kf_index < ost->forced_kf_count &&
1083 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1084 ost->forced_kf_index++;
1085 forced_keyframe = 1;
1086 } else if (ost->forced_keyframes_pexpr) {
1088 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1089 res = av_expr_eval(ost->forced_keyframes_pexpr,
1090 ost->forced_keyframes_expr_const_values, NULL);
1091 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1092 ost->forced_keyframes_expr_const_values[FKF_N],
1093 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1094 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1095 ost->forced_keyframes_expr_const_values[FKF_T],
1096 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1099 forced_keyframe = 1;
1100 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1101 ost->forced_keyframes_expr_const_values[FKF_N];
1102 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1103 ost->forced_keyframes_expr_const_values[FKF_T];
1104 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1107 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1108 } else if ( ost->forced_keyframes
1109 && !strncmp(ost->forced_keyframes, "source", 6)
1110 && in_picture->key_frame==1) {
1111 forced_keyframe = 1;
1114 if (forced_keyframe) {
1115 in_picture->pict_type = AV_PICTURE_TYPE_I;
1116 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1119 update_benchmark(NULL);
1121 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1122 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1123 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1124 enc->time_base.num, enc->time_base.den);
1127 ost->frames_encoded++;
1129 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1130 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1132 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1138 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1139 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1140 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1141 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1144 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1145 pkt.pts = ost->sync_opts;
1147 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1150 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1151 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1152 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1153 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1156 frame_size = pkt.size;
1157 write_frame(s, &pkt, ost);
1159 /* if two pass, output log */
1160 if (ost->logfile && enc->stats_out) {
1161 fprintf(ost->logfile, "%s", enc->stats_out);
1167 * For video, number of frames in == number of packets out.
1168 * But there may be reordering, so we can't throw away frames on encoder
1169 * flush, we need to limit them here, before they go into encoder.
1171 ost->frame_number++;
1173 if (vstats_filename && frame_size)
1174 do_video_stats(ost, frame_size);
1177 if (!ost->last_frame)
1178 ost->last_frame = av_frame_alloc();
1179 av_frame_unref(ost->last_frame);
1181 av_frame_ref(ost->last_frame, next_picture);
1183 av_frame_free(&ost->last_frame);
1186 static double psnr(double d)
1188 return -10.0 * log(d) / log(10.0);
1191 static void do_video_stats(OutputStream *ost, int frame_size)
1193 AVCodecContext *enc;
1195 double ti1, bitrate, avg_bitrate;
1197 /* this is executed just the first time do_video_stats is called */
1199 vstats_file = fopen(vstats_filename, "w");
1207 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1208 frame_number = ost->st->nb_frames;
1209 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame ? enc->coded_frame->quality / (float)FF_QP2LAMBDA : 0);
1210 if (enc->coded_frame && (enc->flags&CODEC_FLAG_PSNR))
1211 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1213 fprintf(vstats_file,"f_size= %6d ", frame_size);
1214 /* compute pts value */
1215 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1219 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1220 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1221 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1222 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1223 fprintf(vstats_file, "type= %c\n", enc->coded_frame ? av_get_picture_type_char(enc->coded_frame->pict_type) : 'I');
1227 static void finish_output_stream(OutputStream *ost)
1229 OutputFile *of = output_files[ost->file_index];
1232 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1235 for (i = 0; i < of->ctx->nb_streams; i++)
1236 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1241 * Get and encode new output from any of the filtergraphs, without causing
1244 * @return 0 for success, <0 for severe errors
1246 static int reap_filters(int flush)
1248 AVFrame *filtered_frame = NULL;
1251 /* Reap all buffers present in the buffer sinks */
1252 for (i = 0; i < nb_output_streams; i++) {
1253 OutputStream *ost = output_streams[i];
1254 OutputFile *of = output_files[ost->file_index];
1255 AVFilterContext *filter;
1256 AVCodecContext *enc = ost->enc_ctx;
1261 filter = ost->filter->filter;
1263 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1264 return AVERROR(ENOMEM);
1266 filtered_frame = ost->filtered_frame;
1269 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1270 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1271 AV_BUFFERSINK_FLAG_NO_REQUEST);
1273 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1274 av_log(NULL, AV_LOG_WARNING,
1275 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1276 } else if (flush && ret == AVERROR_EOF) {
1277 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1278 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1282 if (ost->finished) {
1283 av_frame_unref(filtered_frame);
1286 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1287 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1288 AVRational tb = enc->time_base;
1289 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1291 tb.den <<= extra_bits;
1293 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1294 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1295 float_pts /= 1 << extra_bits;
1296 // 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
1297 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1299 filtered_frame->pts =
1300 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1301 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1303 //if (ost->source_index >= 0)
1304 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1306 switch (filter->inputs[0]->type) {
1307 case AVMEDIA_TYPE_VIDEO:
1308 if (!ost->frame_aspect_ratio.num)
1309 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1312 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1313 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1315 enc->time_base.num, enc->time_base.den);
1318 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1320 case AVMEDIA_TYPE_AUDIO:
1321 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1322 enc->channels != av_frame_get_channels(filtered_frame)) {
1323 av_log(NULL, AV_LOG_ERROR,
1324 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1327 do_audio_out(of->ctx, ost, filtered_frame);
1330 // TODO support subtitle filters
1334 av_frame_unref(filtered_frame);
1341 static void print_final_stats(int64_t total_size)
1343 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1344 uint64_t subtitle_size = 0;
1345 uint64_t data_size = 0;
1346 float percent = -1.0;
1350 for (i = 0; i < nb_output_streams; i++) {
1351 OutputStream *ost = output_streams[i];
1352 switch (ost->enc_ctx->codec_type) {
1353 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1354 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1355 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1356 default: other_size += ost->data_size; break;
1358 extra_size += ost->enc_ctx->extradata_size;
1359 data_size += ost->data_size;
1360 if ( (ost->enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))
1361 != CODEC_FLAG_PASS1)
1365 if (data_size && total_size>0 && total_size >= data_size)
1366 percent = 100.0 * (total_size - data_size) / data_size;
1368 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: ",
1369 video_size / 1024.0,
1370 audio_size / 1024.0,
1371 subtitle_size / 1024.0,
1372 other_size / 1024.0,
1373 extra_size / 1024.0);
1375 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1377 av_log(NULL, AV_LOG_INFO, "unknown");
1378 av_log(NULL, AV_LOG_INFO, "\n");
1380 /* print verbose per-stream stats */
1381 for (i = 0; i < nb_input_files; i++) {
1382 InputFile *f = input_files[i];
1383 uint64_t total_packets = 0, total_size = 0;
1385 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1386 i, f->ctx->filename);
1388 for (j = 0; j < f->nb_streams; j++) {
1389 InputStream *ist = input_streams[f->ist_index + j];
1390 enum AVMediaType type = ist->dec_ctx->codec_type;
1392 total_size += ist->data_size;
1393 total_packets += ist->nb_packets;
1395 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1396 i, j, media_type_string(type));
1397 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1398 ist->nb_packets, ist->data_size);
1400 if (ist->decoding_needed) {
1401 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1402 ist->frames_decoded);
1403 if (type == AVMEDIA_TYPE_AUDIO)
1404 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1405 av_log(NULL, AV_LOG_VERBOSE, "; ");
1408 av_log(NULL, AV_LOG_VERBOSE, "\n");
1411 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1412 total_packets, total_size);
1415 for (i = 0; i < nb_output_files; i++) {
1416 OutputFile *of = output_files[i];
1417 uint64_t total_packets = 0, total_size = 0;
1419 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1420 i, of->ctx->filename);
1422 for (j = 0; j < of->ctx->nb_streams; j++) {
1423 OutputStream *ost = output_streams[of->ost_index + j];
1424 enum AVMediaType type = ost->enc_ctx->codec_type;
1426 total_size += ost->data_size;
1427 total_packets += ost->packets_written;
1429 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1430 i, j, media_type_string(type));
1431 if (ost->encoding_needed) {
1432 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1433 ost->frames_encoded);
1434 if (type == AVMEDIA_TYPE_AUDIO)
1435 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1436 av_log(NULL, AV_LOG_VERBOSE, "; ");
1439 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1440 ost->packets_written, ost->data_size);
1442 av_log(NULL, AV_LOG_VERBOSE, "\n");
1445 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1446 total_packets, total_size);
1448 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1449 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1451 av_log(NULL, AV_LOG_WARNING, "\n");
1453 av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1458 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1461 AVBPrint buf_script;
1463 AVFormatContext *oc;
1465 AVCodecContext *enc;
1466 int frame_number, vid, i;
1468 int64_t pts = INT64_MIN;
1469 static int64_t last_time = -1;
1470 static int qp_histogram[52];
1471 int hours, mins, secs, us;
1473 if (!print_stats && !is_last_report && !progress_avio)
1476 if (!is_last_report) {
1477 if (last_time == -1) {
1478 last_time = cur_time;
1481 if ((cur_time - last_time) < 500000)
1483 last_time = cur_time;
1487 oc = output_files[0]->ctx;
1489 total_size = avio_size(oc->pb);
1490 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1491 total_size = avio_tell(oc->pb);
1495 av_bprint_init(&buf_script, 0, 1);
1496 for (i = 0; i < nb_output_streams; i++) {
1498 ost = output_streams[i];
1500 if (!ost->stream_copy && enc->coded_frame)
1501 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1502 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1503 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1504 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1505 ost->file_index, ost->index, q);
1507 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1508 float fps, t = (cur_time-timer_start) / 1000000.0;
1510 frame_number = ost->frame_number;
1511 fps = t > 1 ? frame_number / t : 0;
1512 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1513 frame_number, fps < 9.95, fps, q);
1514 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1515 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1516 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1517 ost->file_index, ost->index, q);
1519 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1523 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1525 for (j = 0; j < 32; j++)
1526 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1528 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1530 double error, error_sum = 0;
1531 double scale, scale_sum = 0;
1533 char type[3] = { 'Y','U','V' };
1534 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1535 for (j = 0; j < 3; j++) {
1536 if (is_last_report) {
1537 error = enc->error[j];
1538 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1540 error = enc->coded_frame->error[j];
1541 scale = enc->width * enc->height * 255.0 * 255.0;
1547 p = psnr(error / scale);
1548 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1549 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1550 ost->file_index, ost->index, type[j] | 32, p);
1552 p = psnr(error_sum / scale_sum);
1553 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1554 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1555 ost->file_index, ost->index, p);
1559 /* compute min output value */
1560 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1561 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1562 ost->st->time_base, AV_TIME_BASE_Q));
1564 nb_frames_drop += ost->last_droped;
1567 secs = FFABS(pts) / AV_TIME_BASE;
1568 us = FFABS(pts) % AV_TIME_BASE;
1574 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1576 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1578 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1579 "size=%8.0fkB time=", total_size / 1024.0);
1581 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1582 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1583 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1584 (100 * us) / AV_TIME_BASE);
1587 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1588 av_bprintf(&buf_script, "bitrate=N/A\n");
1590 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1591 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1594 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1595 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1596 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1597 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1598 hours, mins, secs, us);
1600 if (nb_frames_dup || nb_frames_drop)
1601 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1602 nb_frames_dup, nb_frames_drop);
1603 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1604 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1606 if (print_stats || is_last_report) {
1607 const char end = is_last_report ? '\n' : '\r';
1608 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1609 fprintf(stderr, "%s %c", buf, end);
1611 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1616 if (progress_avio) {
1617 av_bprintf(&buf_script, "progress=%s\n",
1618 is_last_report ? "end" : "continue");
1619 avio_write(progress_avio, buf_script.str,
1620 FFMIN(buf_script.len, buf_script.size - 1));
1621 avio_flush(progress_avio);
1622 av_bprint_finalize(&buf_script, NULL);
1623 if (is_last_report) {
1624 avio_closep(&progress_avio);
1629 print_final_stats(total_size);
1632 static void flush_encoders(void)
1636 for (i = 0; i < nb_output_streams; i++) {
1637 OutputStream *ost = output_streams[i];
1638 AVCodecContext *enc = ost->enc_ctx;
1639 AVFormatContext *os = output_files[ost->file_index]->ctx;
1640 int stop_encoding = 0;
1642 if (!ost->encoding_needed)
1645 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1647 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1651 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1654 switch (enc->codec_type) {
1655 case AVMEDIA_TYPE_AUDIO:
1656 encode = avcodec_encode_audio2;
1659 case AVMEDIA_TYPE_VIDEO:
1660 encode = avcodec_encode_video2;
1671 av_init_packet(&pkt);
1675 update_benchmark(NULL);
1676 ret = encode(enc, &pkt, NULL, &got_packet);
1677 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1679 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1682 if (ost->logfile && enc->stats_out) {
1683 fprintf(ost->logfile, "%s", enc->stats_out);
1689 if (ost->finished & MUXER_FINISHED) {
1690 av_free_packet(&pkt);
1693 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1694 pkt_size = pkt.size;
1695 write_frame(os, &pkt, ost);
1696 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1697 do_video_stats(ost, pkt_size);
1708 * Check whether a packet from ist should be written into ost at this time
1710 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1712 OutputFile *of = output_files[ost->file_index];
1713 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1715 if (ost->source_index != ist_index)
1721 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1727 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1729 OutputFile *of = output_files[ost->file_index];
1730 InputFile *f = input_files [ist->file_index];
1731 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1732 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1733 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1737 av_init_packet(&opkt);
1739 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1740 !ost->copy_initial_nonkeyframes)
1743 if (pkt->pts == AV_NOPTS_VALUE) {
1744 if (!ost->frame_number && ist->pts < start_time &&
1745 !ost->copy_prior_start)
1748 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1749 !ost->copy_prior_start)
1753 if (of->recording_time != INT64_MAX &&
1754 ist->pts >= of->recording_time + start_time) {
1755 close_output_stream(ost);
1759 if (f->recording_time != INT64_MAX) {
1760 start_time = f->ctx->start_time;
1761 if (f->start_time != AV_NOPTS_VALUE)
1762 start_time += f->start_time;
1763 if (ist->pts >= f->recording_time + start_time) {
1764 close_output_stream(ost);
1769 /* force the input stream PTS */
1770 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1773 if (pkt->pts != AV_NOPTS_VALUE)
1774 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1776 opkt.pts = AV_NOPTS_VALUE;
1778 if (pkt->dts == AV_NOPTS_VALUE)
1779 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1781 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1782 opkt.dts -= ost_tb_start_time;
1784 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1785 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1787 duration = ist->dec_ctx->frame_size;
1788 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1789 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1790 ost->st->time_base) - ost_tb_start_time;
1793 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1794 opkt.flags = pkt->flags;
1796 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1797 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1798 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1799 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1800 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1802 if (av_parser_change(ost->parser, ost->st->codec,
1803 &opkt.data, &opkt.size,
1804 pkt->data, pkt->size,
1805 pkt->flags & AV_PKT_FLAG_KEY)) {
1806 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1811 opkt.data = pkt->data;
1812 opkt.size = pkt->size;
1814 av_copy_packet_side_data(&opkt, pkt);
1816 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1817 /* store AVPicture in AVPacket, as expected by the output format */
1818 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1819 opkt.data = (uint8_t *)&pict;
1820 opkt.size = sizeof(AVPicture);
1821 opkt.flags |= AV_PKT_FLAG_KEY;
1824 write_frame(of->ctx, &opkt, ost);
1827 int guess_input_channel_layout(InputStream *ist)
1829 AVCodecContext *dec = ist->dec_ctx;
1831 if (!dec->channel_layout) {
1832 char layout_name[256];
1834 if (dec->channels > ist->guess_layout_max)
1836 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1837 if (!dec->channel_layout)
1839 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1840 dec->channels, dec->channel_layout);
1841 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1842 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1847 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1849 AVFrame *decoded_frame, *f;
1850 AVCodecContext *avctx = ist->dec_ctx;
1851 int i, ret, err = 0, resample_changed;
1852 AVRational decoded_frame_tb;
1854 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1855 return AVERROR(ENOMEM);
1856 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1857 return AVERROR(ENOMEM);
1858 decoded_frame = ist->decoded_frame;
1860 update_benchmark(NULL);
1861 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1862 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1864 if (ret >= 0 && avctx->sample_rate <= 0) {
1865 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1866 ret = AVERROR_INVALIDDATA;
1869 if (*got_output || ret<0 || pkt->size)
1870 decode_error_stat[ret<0] ++;
1872 if (!*got_output || ret < 0) {
1874 for (i = 0; i < ist->nb_filters; i++)
1876 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1878 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1884 ist->samples_decoded += decoded_frame->nb_samples;
1885 ist->frames_decoded++;
1888 /* increment next_dts to use for the case where the input stream does not
1889 have timestamps or there are multiple frames in the packet */
1890 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1892 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1896 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1897 ist->resample_channels != avctx->channels ||
1898 ist->resample_channel_layout != decoded_frame->channel_layout ||
1899 ist->resample_sample_rate != decoded_frame->sample_rate;
1900 if (resample_changed) {
1901 char layout1[64], layout2[64];
1903 if (!guess_input_channel_layout(ist)) {
1904 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1905 "layout for Input Stream #%d.%d\n", ist->file_index,
1909 decoded_frame->channel_layout = avctx->channel_layout;
1911 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1912 ist->resample_channel_layout);
1913 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1914 decoded_frame->channel_layout);
1916 av_log(NULL, AV_LOG_INFO,
1917 "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",
1918 ist->file_index, ist->st->index,
1919 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1920 ist->resample_channels, layout1,
1921 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1922 avctx->channels, layout2);
1924 ist->resample_sample_fmt = decoded_frame->format;
1925 ist->resample_sample_rate = decoded_frame->sample_rate;
1926 ist->resample_channel_layout = decoded_frame->channel_layout;
1927 ist->resample_channels = avctx->channels;
1929 for (i = 0; i < nb_filtergraphs; i++)
1930 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1931 FilterGraph *fg = filtergraphs[i];
1932 if (configure_filtergraph(fg) < 0) {
1933 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1939 /* if the decoder provides a pts, use it instead of the last packet pts.
1940 the decoder could be delaying output by a packet or more. */
1941 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1942 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1943 decoded_frame_tb = avctx->time_base;
1944 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1945 decoded_frame->pts = decoded_frame->pkt_pts;
1946 decoded_frame_tb = ist->st->time_base;
1947 } else if (pkt->pts != AV_NOPTS_VALUE) {
1948 decoded_frame->pts = pkt->pts;
1949 decoded_frame_tb = ist->st->time_base;
1951 decoded_frame->pts = ist->dts;
1952 decoded_frame_tb = AV_TIME_BASE_Q;
1954 pkt->pts = AV_NOPTS_VALUE;
1955 if (decoded_frame->pts != AV_NOPTS_VALUE)
1956 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1957 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1958 (AVRational){1, avctx->sample_rate});
1959 for (i = 0; i < ist->nb_filters; i++) {
1960 if (i < ist->nb_filters - 1) {
1961 f = ist->filter_frame;
1962 err = av_frame_ref(f, decoded_frame);
1967 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1968 AV_BUFFERSRC_FLAG_PUSH);
1969 if (err == AVERROR_EOF)
1970 err = 0; /* ignore */
1974 decoded_frame->pts = AV_NOPTS_VALUE;
1976 av_frame_unref(ist->filter_frame);
1977 av_frame_unref(decoded_frame);
1978 return err < 0 ? err : ret;
1981 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1983 AVFrame *decoded_frame, *f;
1984 int i, ret = 0, err = 0, resample_changed;
1985 int64_t best_effort_timestamp;
1986 AVRational *frame_sample_aspect;
1988 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1989 return AVERROR(ENOMEM);
1990 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1991 return AVERROR(ENOMEM);
1992 decoded_frame = ist->decoded_frame;
1993 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1995 update_benchmark(NULL);
1996 ret = avcodec_decode_video2(ist->dec_ctx,
1997 decoded_frame, got_output, pkt);
1998 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2000 // The following line may be required in some cases where there is no parser
2001 // or the parser does not has_b_frames correctly
2002 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
2003 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2004 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
2006 av_log_ask_for_sample(
2008 "has_b_frames is larger in decoder than demuxer %d > %d ",
2009 ist->dec_ctx->has_b_frames,
2010 ist->st->codec->has_b_frames
2014 if (*got_output || ret<0 || pkt->size)
2015 decode_error_stat[ret<0] ++;
2017 if (*got_output && ret >= 0) {
2018 if (ist->dec_ctx->width != decoded_frame->width ||
2019 ist->dec_ctx->height != decoded_frame->height ||
2020 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2021 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2022 decoded_frame->width,
2023 decoded_frame->height,
2024 decoded_frame->format,
2025 ist->dec_ctx->width,
2026 ist->dec_ctx->height,
2027 ist->dec_ctx->pix_fmt);
2031 if (!*got_output || ret < 0) {
2033 for (i = 0; i < ist->nb_filters; i++)
2035 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
2037 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2043 if(ist->top_field_first>=0)
2044 decoded_frame->top_field_first = ist->top_field_first;
2046 ist->frames_decoded++;
2048 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2049 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2053 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2055 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2056 if(best_effort_timestamp != AV_NOPTS_VALUE)
2057 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2060 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2061 "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",
2062 ist->st->index, av_ts2str(decoded_frame->pts),
2063 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2064 best_effort_timestamp,
2065 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2066 decoded_frame->key_frame, decoded_frame->pict_type,
2067 ist->st->time_base.num, ist->st->time_base.den);
2072 if (ist->st->sample_aspect_ratio.num)
2073 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2075 resample_changed = ist->resample_width != decoded_frame->width ||
2076 ist->resample_height != decoded_frame->height ||
2077 ist->resample_pix_fmt != decoded_frame->format;
2078 if (resample_changed) {
2079 av_log(NULL, AV_LOG_INFO,
2080 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2081 ist->file_index, ist->st->index,
2082 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2083 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2085 ist->resample_width = decoded_frame->width;
2086 ist->resample_height = decoded_frame->height;
2087 ist->resample_pix_fmt = decoded_frame->format;
2089 for (i = 0; i < nb_filtergraphs; i++) {
2090 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2091 configure_filtergraph(filtergraphs[i]) < 0) {
2092 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2098 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2099 for (i = 0; i < ist->nb_filters; i++) {
2100 if (!frame_sample_aspect->num)
2101 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2103 if (i < ist->nb_filters - 1) {
2104 f = ist->filter_frame;
2105 err = av_frame_ref(f, decoded_frame);
2110 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2111 if (ret == AVERROR_EOF) {
2112 ret = 0; /* ignore */
2113 } else if (ret < 0) {
2114 av_log(NULL, AV_LOG_FATAL,
2115 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2121 av_frame_unref(ist->filter_frame);
2122 av_frame_unref(decoded_frame);
2123 return err < 0 ? err : ret;
2126 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2128 AVSubtitle subtitle;
2129 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2130 &subtitle, got_output, pkt);
2132 if (*got_output || ret<0 || pkt->size)
2133 decode_error_stat[ret<0] ++;
2135 if (ret < 0 || !*got_output) {
2137 sub2video_flush(ist);
2141 if (ist->fix_sub_duration) {
2143 if (ist->prev_sub.got_output) {
2144 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2145 1000, AV_TIME_BASE);
2146 if (end < ist->prev_sub.subtitle.end_display_time) {
2147 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2148 "Subtitle duration reduced from %d to %d%s\n",
2149 ist->prev_sub.subtitle.end_display_time, end,
2150 end <= 0 ? ", dropping it" : "");
2151 ist->prev_sub.subtitle.end_display_time = end;
2154 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2155 FFSWAP(int, ret, ist->prev_sub.ret);
2156 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2164 sub2video_update(ist, &subtitle);
2166 if (!subtitle.num_rects)
2169 ist->frames_decoded++;
2171 for (i = 0; i < nb_output_streams; i++) {
2172 OutputStream *ost = output_streams[i];
2174 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2175 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2178 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2182 avsubtitle_free(&subtitle);
2186 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2187 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2193 if (!ist->saw_first_ts) {
2194 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;
2196 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2197 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2198 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2200 ist->saw_first_ts = 1;
2203 if (ist->next_dts == AV_NOPTS_VALUE)
2204 ist->next_dts = ist->dts;
2205 if (ist->next_pts == AV_NOPTS_VALUE)
2206 ist->next_pts = ist->pts;
2210 av_init_packet(&avpkt);
2218 if (pkt->dts != AV_NOPTS_VALUE) {
2219 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2220 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2221 ist->next_pts = ist->pts = ist->dts;
2224 // while we have more to decode or while the decoder did output something on EOF
2225 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2229 ist->pts = ist->next_pts;
2230 ist->dts = ist->next_dts;
2232 if (avpkt.size && avpkt.size != pkt->size &&
2233 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2234 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2235 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2236 ist->showed_multi_packet_warning = 1;
2239 switch (ist->dec_ctx->codec_type) {
2240 case AVMEDIA_TYPE_AUDIO:
2241 ret = decode_audio (ist, &avpkt, &got_output);
2243 case AVMEDIA_TYPE_VIDEO:
2244 ret = decode_video (ist, &avpkt, &got_output);
2245 if (avpkt.duration) {
2246 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2247 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2248 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2249 duration = ((int64_t)AV_TIME_BASE *
2250 ist->dec_ctx->framerate.den * ticks) /
2251 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2255 if(ist->dts != AV_NOPTS_VALUE && duration) {
2256 ist->next_dts += duration;
2258 ist->next_dts = AV_NOPTS_VALUE;
2261 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2263 case AVMEDIA_TYPE_SUBTITLE:
2264 ret = transcode_subtitles(ist, &avpkt, &got_output);
2274 avpkt.pts= AV_NOPTS_VALUE;
2276 // touch data and size only if not EOF
2278 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2286 if (got_output && !pkt)
2290 /* handle stream copy */
2291 if (!ist->decoding_needed) {
2292 ist->dts = ist->next_dts;
2293 switch (ist->dec_ctx->codec_type) {
2294 case AVMEDIA_TYPE_AUDIO:
2295 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2296 ist->dec_ctx->sample_rate;
2298 case AVMEDIA_TYPE_VIDEO:
2299 if (ist->framerate.num) {
2300 // TODO: Remove work-around for c99-to-c89 issue 7
2301 AVRational time_base_q = AV_TIME_BASE_Q;
2302 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2303 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2304 } else if (pkt->duration) {
2305 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2306 } else if(ist->dec_ctx->framerate.num != 0) {
2307 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2308 ist->next_dts += ((int64_t)AV_TIME_BASE *
2309 ist->dec_ctx->framerate.den * ticks) /
2310 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2314 ist->pts = ist->dts;
2315 ist->next_pts = ist->next_dts;
2317 for (i = 0; pkt && i < nb_output_streams; i++) {
2318 OutputStream *ost = output_streams[i];
2320 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2323 do_streamcopy(ist, ost, pkt);
2329 static void print_sdp(void)
2334 AVIOContext *sdp_pb;
2335 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2339 for (i = 0, j = 0; i < nb_output_files; i++) {
2340 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2341 avc[j] = output_files[i]->ctx;
2346 av_sdp_create(avc, j, sdp, sizeof(sdp));
2348 if (!sdp_filename) {
2349 printf("SDP:\n%s\n", sdp);
2352 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2353 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2355 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2356 avio_closep(&sdp_pb);
2357 av_freep(&sdp_filename);
2364 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2367 for (i = 0; hwaccels[i].name; i++)
2368 if (hwaccels[i].pix_fmt == pix_fmt)
2369 return &hwaccels[i];
2373 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2375 InputStream *ist = s->opaque;
2376 const enum AVPixelFormat *p;
2379 for (p = pix_fmts; *p != -1; p++) {
2380 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2381 const HWAccel *hwaccel;
2383 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2386 hwaccel = get_hwaccel(*p);
2388 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2389 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2392 ret = hwaccel->init(s);
2394 if (ist->hwaccel_id == hwaccel->id) {
2395 av_log(NULL, AV_LOG_FATAL,
2396 "%s hwaccel requested for input stream #%d:%d, "
2397 "but cannot be initialized.\n", hwaccel->name,
2398 ist->file_index, ist->st->index);
2399 return AV_PIX_FMT_NONE;
2403 ist->active_hwaccel_id = hwaccel->id;
2404 ist->hwaccel_pix_fmt = *p;
2411 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2413 InputStream *ist = s->opaque;
2415 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2416 return ist->hwaccel_get_buffer(s, frame, flags);
2418 return avcodec_default_get_buffer2(s, frame, flags);
2421 static int init_input_stream(int ist_index, char *error, int error_len)
2424 InputStream *ist = input_streams[ist_index];
2426 if (ist->decoding_needed) {
2427 AVCodec *codec = ist->dec;
2429 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2430 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2431 return AVERROR(EINVAL);
2434 ist->dec_ctx->opaque = ist;
2435 ist->dec_ctx->get_format = get_format;
2436 ist->dec_ctx->get_buffer2 = get_buffer;
2437 ist->dec_ctx->thread_safe_callbacks = 1;
2439 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2440 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2441 (ist->decoding_needed & DECODING_FOR_OST)) {
2442 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2443 if (ist->decoding_needed & DECODING_FOR_FILTER)
2444 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");
2447 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2448 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2449 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2450 if (ret == AVERROR_EXPERIMENTAL)
2451 abort_codec_experimental(codec, 0);
2453 snprintf(error, error_len,
2454 "Error while opening decoder for input stream "
2456 ist->file_index, ist->st->index, av_err2str(ret));
2459 assert_avoptions(ist->decoder_opts);
2462 ist->next_pts = AV_NOPTS_VALUE;
2463 ist->next_dts = AV_NOPTS_VALUE;
2468 static InputStream *get_input_stream(OutputStream *ost)
2470 if (ost->source_index >= 0)
2471 return input_streams[ost->source_index];
2475 static int compare_int64(const void *a, const void *b)
2477 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2478 return va < vb ? -1 : va > vb ? +1 : 0;
2481 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2482 AVCodecContext *avctx)
2485 int n = 1, i, size, index = 0;
2488 for (p = kf; *p; p++)
2492 pts = av_malloc_array(size, sizeof(*pts));
2494 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2499 for (i = 0; i < n; i++) {
2500 char *next = strchr(p, ',');
2505 if (!memcmp(p, "chapters", 8)) {
2507 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2510 if (avf->nb_chapters > INT_MAX - size ||
2511 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2513 av_log(NULL, AV_LOG_FATAL,
2514 "Could not allocate forced key frames array.\n");
2517 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2518 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2520 for (j = 0; j < avf->nb_chapters; j++) {
2521 AVChapter *c = avf->chapters[j];
2522 av_assert1(index < size);
2523 pts[index++] = av_rescale_q(c->start, c->time_base,
2524 avctx->time_base) + t;
2529 t = parse_time_or_die("force_key_frames", p, 1);
2530 av_assert1(index < size);
2531 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2538 av_assert0(index == size);
2539 qsort(pts, size, sizeof(*pts), compare_int64);
2540 ost->forced_kf_count = size;
2541 ost->forced_kf_pts = pts;
2544 static void report_new_stream(int input_index, AVPacket *pkt)
2546 InputFile *file = input_files[input_index];
2547 AVStream *st = file->ctx->streams[pkt->stream_index];
2549 if (pkt->stream_index < file->nb_streams_warn)
2551 av_log(file->ctx, AV_LOG_WARNING,
2552 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2553 av_get_media_type_string(st->codec->codec_type),
2554 input_index, pkt->stream_index,
2555 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2556 file->nb_streams_warn = pkt->stream_index + 1;
2559 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2561 AVDictionaryEntry *e;
2563 uint8_t *encoder_string;
2564 int encoder_string_len;
2565 int format_flags = 0;
2566 int codec_flags = 0;
2568 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2571 e = av_dict_get(of->opts, "fflags", NULL, 0);
2573 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2576 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2578 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2580 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2583 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2586 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2587 encoder_string = av_mallocz(encoder_string_len);
2588 if (!encoder_string)
2591 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2592 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2594 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2595 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2596 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2597 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2600 static int transcode_init(void)
2602 int ret = 0, i, j, k;
2603 AVFormatContext *oc;
2606 char error[1024] = {0};
2609 for (i = 0; i < nb_filtergraphs; i++) {
2610 FilterGraph *fg = filtergraphs[i];
2611 for (j = 0; j < fg->nb_outputs; j++) {
2612 OutputFilter *ofilter = fg->outputs[j];
2613 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2615 if (fg->nb_inputs != 1)
2617 for (k = nb_input_streams-1; k >= 0 ; k--)
2618 if (fg->inputs[0]->ist == input_streams[k])
2620 ofilter->ost->source_index = k;
2624 /* init framerate emulation */
2625 for (i = 0; i < nb_input_files; i++) {
2626 InputFile *ifile = input_files[i];
2627 if (ifile->rate_emu)
2628 for (j = 0; j < ifile->nb_streams; j++)
2629 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2632 /* output stream init */
2633 for (i = 0; i < nb_output_files; i++) {
2634 oc = output_files[i]->ctx;
2635 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2636 av_dump_format(oc, i, oc->filename, 1);
2637 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2638 return AVERROR(EINVAL);
2642 /* init complex filtergraphs */
2643 for (i = 0; i < nb_filtergraphs; i++)
2644 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2647 /* for each output stream, we compute the right encoding parameters */
2648 for (i = 0; i < nb_output_streams; i++) {
2649 AVCodecContext *enc_ctx;
2650 AVCodecContext *dec_ctx = NULL;
2651 ost = output_streams[i];
2652 oc = output_files[ost->file_index]->ctx;
2653 ist = get_input_stream(ost);
2655 if (ost->attachment_filename)
2658 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2661 dec_ctx = ist->dec_ctx;
2663 ost->st->disposition = ist->st->disposition;
2664 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2665 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2667 for (j=0; j<oc->nb_streams; j++) {
2668 AVStream *st = oc->streams[j];
2669 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2672 if (j == oc->nb_streams)
2673 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2674 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2677 if (ost->stream_copy) {
2679 uint64_t extra_size;
2681 av_assert0(ist && !ost->filter);
2683 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2685 if (extra_size > INT_MAX) {
2686 return AVERROR(EINVAL);
2689 /* if stream_copy is selected, no need to decode or encode */
2690 enc_ctx->codec_id = dec_ctx->codec_id;
2691 enc_ctx->codec_type = dec_ctx->codec_type;
2693 if (!enc_ctx->codec_tag) {
2694 unsigned int codec_tag;
2695 if (!oc->oformat->codec_tag ||
2696 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2697 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2698 enc_ctx->codec_tag = dec_ctx->codec_tag;
2701 enc_ctx->bit_rate = dec_ctx->bit_rate;
2702 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2703 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2704 enc_ctx->field_order = dec_ctx->field_order;
2705 if (dec_ctx->extradata_size) {
2706 enc_ctx->extradata = av_mallocz(extra_size);
2707 if (!enc_ctx->extradata) {
2708 return AVERROR(ENOMEM);
2710 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2712 enc_ctx->extradata_size= dec_ctx->extradata_size;
2713 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2715 enc_ctx->time_base = ist->st->time_base;
2717 * Avi is a special case here because it supports variable fps but
2718 * having the fps and timebase differe significantly adds quite some
2721 if(!strcmp(oc->oformat->name, "avi")) {
2722 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2723 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2724 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2725 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2727 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2728 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2729 enc_ctx->ticks_per_frame = 2;
2730 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2731 && av_q2d(ist->st->time_base) < 1.0/500
2733 enc_ctx->time_base = dec_ctx->time_base;
2734 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2735 enc_ctx->time_base.den *= 2;
2736 enc_ctx->ticks_per_frame = 2;
2738 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2739 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2740 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2741 && strcmp(oc->oformat->name, "f4v")
2743 if( copy_tb<0 && dec_ctx->time_base.den
2744 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2745 && av_q2d(ist->st->time_base) < 1.0/500
2747 enc_ctx->time_base = dec_ctx->time_base;
2748 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2751 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2752 && dec_ctx->time_base.num < dec_ctx->time_base.den
2753 && dec_ctx->time_base.num > 0
2754 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2755 enc_ctx->time_base = dec_ctx->time_base;
2758 if (ist && !ost->frame_rate.num)
2759 ost->frame_rate = ist->framerate;
2760 if(ost->frame_rate.num)
2761 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2763 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2764 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2766 if (ist->st->nb_side_data) {
2767 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2768 sizeof(*ist->st->side_data));
2769 if (!ost->st->side_data)
2770 return AVERROR(ENOMEM);
2772 ost->st->nb_side_data = 0;
2773 for (j = 0; j < ist->st->nb_side_data; j++) {
2774 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2775 AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
2777 if (ost->rotate_overridden && sd_src->type == AV_PKT_DATA_DISPLAYMATRIX)
2780 sd_dst->data = av_malloc(sd_src->size);
2782 return AVERROR(ENOMEM);
2783 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2784 sd_dst->size = sd_src->size;
2785 sd_dst->type = sd_src->type;
2786 ost->st->nb_side_data++;
2790 ost->parser = av_parser_init(enc_ctx->codec_id);
2792 switch (enc_ctx->codec_type) {
2793 case AVMEDIA_TYPE_AUDIO:
2794 if (audio_volume != 256) {
2795 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2798 enc_ctx->channel_layout = dec_ctx->channel_layout;
2799 enc_ctx->sample_rate = dec_ctx->sample_rate;
2800 enc_ctx->channels = dec_ctx->channels;
2801 enc_ctx->frame_size = dec_ctx->frame_size;
2802 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2803 enc_ctx->block_align = dec_ctx->block_align;
2804 enc_ctx->initial_padding = dec_ctx->delay;
2805 #if FF_API_AUDIOENC_DELAY
2806 enc_ctx->delay = dec_ctx->delay;
2808 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2809 enc_ctx->block_align= 0;
2810 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2811 enc_ctx->block_align= 0;
2813 case AVMEDIA_TYPE_VIDEO:
2814 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2815 enc_ctx->width = dec_ctx->width;
2816 enc_ctx->height = dec_ctx->height;
2817 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2818 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2820 av_mul_q(ost->frame_aspect_ratio,
2821 (AVRational){ enc_ctx->height, enc_ctx->width });
2822 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2823 "with stream copy may produce invalid files\n");
2825 else if (ist->st->sample_aspect_ratio.num)
2826 sar = ist->st->sample_aspect_ratio;
2828 sar = dec_ctx->sample_aspect_ratio;
2829 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2830 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2831 ost->st->r_frame_rate = ist->st->r_frame_rate;
2833 case AVMEDIA_TYPE_SUBTITLE:
2834 enc_ctx->width = dec_ctx->width;
2835 enc_ctx->height = dec_ctx->height;
2837 case AVMEDIA_TYPE_UNKNOWN:
2838 case AVMEDIA_TYPE_DATA:
2839 case AVMEDIA_TYPE_ATTACHMENT:
2846 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2848 /* should only happen when a default codec is not present. */
2849 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2850 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2851 ret = AVERROR(EINVAL);
2856 ist->decoding_needed |= DECODING_FOR_OST;
2857 ost->encoding_needed = 1;
2859 set_encoder_id(output_files[ost->file_index], ost);
2862 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2863 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2865 fg = init_simple_filtergraph(ist, ost);
2866 if (configure_filtergraph(fg)) {
2867 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2872 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2873 if (!ost->frame_rate.num)
2874 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2875 if (ist && !ost->frame_rate.num)
2876 ost->frame_rate = ist->framerate;
2877 if (ist && !ost->frame_rate.num)
2878 ost->frame_rate = ist->st->r_frame_rate;
2879 if (ist && !ost->frame_rate.num) {
2880 ost->frame_rate = (AVRational){25, 1};
2881 av_log(NULL, AV_LOG_WARNING,
2883 "about the input framerate is available. Falling "
2884 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2885 "if you want a different framerate.\n",
2886 ost->file_index, ost->index);
2888 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2889 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2890 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2891 ost->frame_rate = ost->enc->supported_framerates[idx];
2893 // reduce frame rate for mpeg4 to be within the spec limits
2894 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2895 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2896 ost->frame_rate.num, ost->frame_rate.den, 65535);
2900 switch (enc_ctx->codec_type) {
2901 case AVMEDIA_TYPE_AUDIO:
2902 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2903 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2904 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2905 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2906 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2908 case AVMEDIA_TYPE_VIDEO:
2909 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2910 if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
2911 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2912 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2913 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2914 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2915 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2917 for (j = 0; j < ost->forced_kf_count; j++)
2918 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2920 enc_ctx->time_base);
2922 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2923 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2924 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2925 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2926 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2927 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2928 if (!strncmp(ost->enc->name, "libx264", 7) &&
2929 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2930 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2931 av_log(NULL, AV_LOG_WARNING,
2932 "No pixel format specified, %s for H.264 encoding chosen.\n"
2933 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2934 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2935 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2936 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2937 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2938 av_log(NULL, AV_LOG_WARNING,
2939 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2940 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2941 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2942 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2944 ost->st->avg_frame_rate = ost->frame_rate;
2947 enc_ctx->width != dec_ctx->width ||
2948 enc_ctx->height != dec_ctx->height ||
2949 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2950 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2953 if (ost->forced_keyframes) {
2954 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2955 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2956 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2958 av_log(NULL, AV_LOG_ERROR,
2959 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2962 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2963 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2964 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2965 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2967 // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
2968 // parse it only for static kf timings
2969 } else if(strncmp(ost->forced_keyframes, "source", 6)) {
2970 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2974 case AVMEDIA_TYPE_SUBTITLE:
2975 enc_ctx->time_base = (AVRational){1, 1000};
2976 if (!enc_ctx->width) {
2977 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2978 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2981 case AVMEDIA_TYPE_DATA:
2988 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2989 char logfilename[1024];
2992 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2993 ost->logfile_prefix ? ost->logfile_prefix :
2994 DEFAULT_PASS_LOGFILENAME_PREFIX,
2996 if (!strcmp(ost->enc->name, "libx264")) {
2997 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2999 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
3001 size_t logbuffer_size;
3002 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
3003 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
3007 enc_ctx->stats_in = logbuffer;
3009 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
3010 f = av_fopen_utf8(logfilename, "wb");
3012 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
3013 logfilename, strerror(errno));
3022 if (ost->disposition) {
3023 static const AVOption opts[] = {
3024 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3025 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3026 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3027 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3028 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3029 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3030 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3031 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3032 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3033 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3034 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3035 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3036 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3037 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3040 static const AVClass class = {
3042 .item_name = av_default_item_name,
3044 .version = LIBAVUTIL_VERSION_INT,
3046 const AVClass *pclass = &class;
3048 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3054 /* open each encoder */
3055 for (i = 0; i < nb_output_streams; i++) {
3056 ost = output_streams[i];
3057 if (ost->encoding_needed) {
3058 AVCodec *codec = ost->enc;
3059 AVCodecContext *dec = NULL;
3061 if ((ist = get_input_stream(ost)))
3063 if (dec && dec->subtitle_header) {
3064 /* ASS code assumes this buffer is null terminated so add extra byte. */
3065 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3066 if (!ost->enc_ctx->subtitle_header) {
3067 ret = AVERROR(ENOMEM);
3070 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3071 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3073 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3074 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3075 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3077 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3078 if (ret == AVERROR_EXPERIMENTAL)
3079 abort_codec_experimental(codec, 1);
3080 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3081 ost->file_index, ost->index);
3084 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3085 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3086 av_buffersink_set_frame_size(ost->filter->filter,
3087 ost->enc_ctx->frame_size);
3088 assert_avoptions(ost->encoder_opts);
3089 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3090 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3091 " It takes bits/s as argument, not kbits/s\n");
3093 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3095 av_log(NULL, AV_LOG_FATAL,
3096 "Error initializing the output stream codec context.\n");
3100 // copy timebase while removing common factors
3101 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3102 ost->st->codec->codec= ost->enc_ctx->codec;
3104 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3106 av_log(NULL, AV_LOG_FATAL,
3107 "Error setting up codec context options.\n");
3110 // copy timebase while removing common factors
3111 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
3115 /* init input streams */
3116 for (i = 0; i < nb_input_streams; i++)
3117 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3118 for (i = 0; i < nb_output_streams; i++) {
3119 ost = output_streams[i];
3120 avcodec_close(ost->enc_ctx);
3125 /* discard unused programs */
3126 for (i = 0; i < nb_input_files; i++) {
3127 InputFile *ifile = input_files[i];
3128 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3129 AVProgram *p = ifile->ctx->programs[j];
3130 int discard = AVDISCARD_ALL;
3132 for (k = 0; k < p->nb_stream_indexes; k++)
3133 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3134 discard = AVDISCARD_DEFAULT;
3137 p->discard = discard;
3141 /* open files and write file headers */
3142 for (i = 0; i < nb_output_files; i++) {
3143 oc = output_files[i]->ctx;
3144 oc->interrupt_callback = int_cb;
3145 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3146 snprintf(error, sizeof(error),
3147 "Could not write header for output file #%d "
3148 "(incorrect codec parameters ?): %s",
3149 i, av_err2str(ret));
3150 ret = AVERROR(EINVAL);
3153 // assert_avoptions(output_files[i]->opts);
3154 if (strcmp(oc->oformat->name, "rtp")) {
3160 /* dump the file output parameters - cannot be done before in case
3162 for (i = 0; i < nb_output_files; i++) {
3163 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3166 /* dump the stream mapping */
3167 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3168 for (i = 0; i < nb_input_streams; i++) {
3169 ist = input_streams[i];
3171 for (j = 0; j < ist->nb_filters; j++) {
3172 if (ist->filters[j]->graph->graph_desc) {
3173 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3174 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3175 ist->filters[j]->name);
3176 if (nb_filtergraphs > 1)
3177 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3178 av_log(NULL, AV_LOG_INFO, "\n");
3183 for (i = 0; i < nb_output_streams; i++) {
3184 ost = output_streams[i];
3186 if (ost->attachment_filename) {
3187 /* an attached file */
3188 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3189 ost->attachment_filename, ost->file_index, ost->index);
3193 if (ost->filter && ost->filter->graph->graph_desc) {
3194 /* output from a complex graph */
3195 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3196 if (nb_filtergraphs > 1)
3197 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3199 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3200 ost->index, ost->enc ? ost->enc->name : "?");
3204 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3205 input_streams[ost->source_index]->file_index,
3206 input_streams[ost->source_index]->st->index,
3209 if (ost->sync_ist != input_streams[ost->source_index])
3210 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3211 ost->sync_ist->file_index,
3212 ost->sync_ist->st->index);
3213 if (ost->stream_copy)
3214 av_log(NULL, AV_LOG_INFO, " (copy)");
3216 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3217 const AVCodec *out_codec = ost->enc;
3218 const char *decoder_name = "?";
3219 const char *in_codec_name = "?";
3220 const char *encoder_name = "?";
3221 const char *out_codec_name = "?";
3222 const AVCodecDescriptor *desc;
3225 decoder_name = in_codec->name;
3226 desc = avcodec_descriptor_get(in_codec->id);
3228 in_codec_name = desc->name;
3229 if (!strcmp(decoder_name, in_codec_name))
3230 decoder_name = "native";
3234 encoder_name = out_codec->name;
3235 desc = avcodec_descriptor_get(out_codec->id);
3237 out_codec_name = desc->name;
3238 if (!strcmp(encoder_name, out_codec_name))
3239 encoder_name = "native";
3242 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3243 in_codec_name, decoder_name,
3244 out_codec_name, encoder_name);
3246 av_log(NULL, AV_LOG_INFO, "\n");
3250 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3254 if (sdp_filename || want_sdp) {
3258 transcode_init_done = 1;
3263 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3264 static int need_output(void)
3268 for (i = 0; i < nb_output_streams; i++) {
3269 OutputStream *ost = output_streams[i];
3270 OutputFile *of = output_files[ost->file_index];
3271 AVFormatContext *os = output_files[ost->file_index]->ctx;
3273 if (ost->finished ||
3274 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3276 if (ost->frame_number >= ost->max_frames) {
3278 for (j = 0; j < of->ctx->nb_streams; j++)
3279 close_output_stream(output_streams[of->ost_index + j]);
3290 * Select the output stream to process.
3292 * @return selected output stream, or NULL if none available
3294 static OutputStream *choose_output(void)
3297 int64_t opts_min = INT64_MAX;
3298 OutputStream *ost_min = NULL;
3300 for (i = 0; i < nb_output_streams; i++) {
3301 OutputStream *ost = output_streams[i];
3302 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3304 if (!ost->finished && opts < opts_min) {
3306 ost_min = ost->unavailable ? NULL : ost;
3312 static int check_keyboard_interaction(int64_t cur_time)
3315 static int64_t last_time;
3316 if (received_nb_signals)
3317 return AVERROR_EXIT;
3318 /* read_key() returns 0 on EOF */
3319 if(cur_time - last_time >= 100000 && !run_as_daemon){
3321 last_time = cur_time;
3325 return AVERROR_EXIT;
3326 if (key == '+') av_log_set_level(av_log_get_level()+10);
3327 if (key == '-') av_log_set_level(av_log_get_level()-10);
3328 if (key == 's') qp_hist ^= 1;
3331 do_hex_dump = do_pkt_dump = 0;
3332 } else if(do_pkt_dump){
3336 av_log_set_level(AV_LOG_DEBUG);
3338 if (key == 'c' || key == 'C'){
3339 char buf[4096], target[64], command[256], arg[256] = {0};
3342 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3344 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3349 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3350 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3351 target, time, command, arg);
3352 for (i = 0; i < nb_filtergraphs; i++) {
3353 FilterGraph *fg = filtergraphs[i];
3356 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3357 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3358 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3359 } else if (key == 'c') {
3360 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3361 ret = AVERROR_PATCHWELCOME;
3363 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3365 fprintf(stderr, "Queing command failed with error %s\n", av_err2str(ret));
3370 av_log(NULL, AV_LOG_ERROR,
3371 "Parse error, at least 3 arguments were expected, "
3372 "only %d given in string '%s'\n", n, buf);
3375 if (key == 'd' || key == 'D'){
3378 debug = input_streams[0]->st->codec->debug<<1;
3379 if(!debug) debug = 1;
3380 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3383 if(scanf("%d", &debug)!=1)
3384 fprintf(stderr,"error parsing debug value\n");
3385 for(i=0;i<nb_input_streams;i++) {
3386 input_streams[i]->st->codec->debug = debug;
3388 for(i=0;i<nb_output_streams;i++) {
3389 OutputStream *ost = output_streams[i];
3390 ost->enc_ctx->debug = debug;
3392 if(debug) av_log_set_level(AV_LOG_DEBUG);
3393 fprintf(stderr,"debug=%d\n", debug);
3396 fprintf(stderr, "key function\n"
3397 "? show this help\n"
3398 "+ increase verbosity\n"
3399 "- decrease verbosity\n"
3400 "c Send command to first matching filter supporting it\n"
3401 "C Send/Que command to all matching filters\n"
3402 "D cycle through available debug modes\n"
3403 "h dump packets/hex press to cycle through the 3 states\n"
3405 "s Show QP histogram\n"
3412 static void *input_thread(void *arg)
3415 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3420 ret = av_read_frame(f->ctx, &pkt);
3422 if (ret == AVERROR(EAGAIN)) {
3427 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3430 av_dup_packet(&pkt);
3431 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3432 if (flags && ret == AVERROR(EAGAIN)) {
3434 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3435 av_log(f->ctx, AV_LOG_WARNING,
3436 "Thread message queue blocking; consider raising the "
3437 "thread_queue_size option (current value: %d)\n",
3438 f->thread_queue_size);
3441 if (ret != AVERROR_EOF)
3442 av_log(f->ctx, AV_LOG_ERROR,
3443 "Unable to send packet to main thread: %s\n",
3445 av_free_packet(&pkt);
3446 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3454 static void free_input_threads(void)
3458 for (i = 0; i < nb_input_files; i++) {
3459 InputFile *f = input_files[i];
3462 if (!f->in_thread_queue)
3464 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3465 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3466 av_free_packet(&pkt);
3468 pthread_join(f->thread, NULL);
3470 av_thread_message_queue_free(&f->in_thread_queue);
3474 static int init_input_threads(void)
3478 if (nb_input_files == 1)
3481 for (i = 0; i < nb_input_files; i++) {
3482 InputFile *f = input_files[i];
3484 if (f->ctx->pb ? !f->ctx->pb->seekable :
3485 strcmp(f->ctx->iformat->name, "lavfi"))
3486 f->non_blocking = 1;
3487 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3488 f->thread_queue_size, sizeof(AVPacket));
3492 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3493 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3494 av_thread_message_queue_free(&f->in_thread_queue);
3495 return AVERROR(ret);
3501 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3503 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3505 AV_THREAD_MESSAGE_NONBLOCK : 0);
3509 static int get_input_packet(InputFile *f, AVPacket *pkt)
3513 for (i = 0; i < f->nb_streams; i++) {
3514 InputStream *ist = input_streams[f->ist_index + i];
3515 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3516 int64_t now = av_gettime_relative() - ist->start;
3518 return AVERROR(EAGAIN);
3523 if (nb_input_files > 1)
3524 return get_input_packet_mt(f, pkt);
3526 return av_read_frame(f->ctx, pkt);
3529 static int got_eagain(void)
3532 for (i = 0; i < nb_output_streams; i++)
3533 if (output_streams[i]->unavailable)
3538 static void reset_eagain(void)
3541 for (i = 0; i < nb_input_files; i++)
3542 input_files[i]->eagain = 0;
3543 for (i = 0; i < nb_output_streams; i++)
3544 output_streams[i]->unavailable = 0;
3549 * - 0 -- one packet was read and processed
3550 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3551 * this function should be called again
3552 * - AVERROR_EOF -- this function should not be called again
3554 static int process_input(int file_index)
3556 InputFile *ifile = input_files[file_index];
3557 AVFormatContext *is;
3563 ret = get_input_packet(ifile, &pkt);
3565 if (ret == AVERROR(EAGAIN)) {
3570 if (ret != AVERROR_EOF) {
3571 print_error(is->filename, ret);
3576 for (i = 0; i < ifile->nb_streams; i++) {
3577 ist = input_streams[ifile->ist_index + i];
3578 if (ist->decoding_needed) {
3579 ret = process_input_packet(ist, NULL);
3584 /* mark all outputs that don't go through lavfi as finished */
3585 for (j = 0; j < nb_output_streams; j++) {
3586 OutputStream *ost = output_streams[j];
3588 if (ost->source_index == ifile->ist_index + i &&
3589 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3590 finish_output_stream(ost);
3594 ifile->eof_reached = 1;
3595 return AVERROR(EAGAIN);
3601 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3602 is->streams[pkt.stream_index]);
3604 /* the following test is needed in case new streams appear
3605 dynamically in stream : we ignore them */
3606 if (pkt.stream_index >= ifile->nb_streams) {
3607 report_new_stream(file_index, &pkt);
3608 goto discard_packet;
3611 ist = input_streams[ifile->ist_index + pkt.stream_index];
3613 ist->data_size += pkt.size;
3617 goto discard_packet;
3620 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3621 "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",
3622 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3623 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3624 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3625 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3626 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3627 av_ts2str(input_files[ist->file_index]->ts_offset),
3628 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3631 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3632 int64_t stime, stime2;
3633 // Correcting starttime based on the enabled streams
3634 // 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.
3635 // so we instead do it here as part of discontinuity handling
3636 if ( ist->next_dts == AV_NOPTS_VALUE
3637 && ifile->ts_offset == -is->start_time
3638 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3639 int64_t new_start_time = INT64_MAX;
3640 for (i=0; i<is->nb_streams; i++) {
3641 AVStream *st = is->streams[i];
3642 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3644 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3646 if (new_start_time > is->start_time) {
3647 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3648 ifile->ts_offset = -new_start_time;
3652 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3653 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3654 ist->wrap_correction_done = 1;
3656 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3657 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3658 ist->wrap_correction_done = 0;
3660 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3661 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3662 ist->wrap_correction_done = 0;
3666 /* add the stream-global side data to the first packet */
3667 if (ist->nb_packets == 1) {
3668 if (ist->st->nb_side_data)
3669 av_packet_split_side_data(&pkt);
3670 for (i = 0; i < ist->st->nb_side_data; i++) {
3671 AVPacketSideData *src_sd = &ist->st->side_data[i];
3674 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3676 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3679 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3683 memcpy(dst_data, src_sd->data, src_sd->size);
3687 if (pkt.dts != AV_NOPTS_VALUE)
3688 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3689 if (pkt.pts != AV_NOPTS_VALUE)
3690 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3692 if (pkt.pts != AV_NOPTS_VALUE)
3693 pkt.pts *= ist->ts_scale;
3694 if (pkt.dts != AV_NOPTS_VALUE)
3695 pkt.dts *= ist->ts_scale;
3697 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3698 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3699 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3700 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3701 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3702 int64_t delta = pkt_dts - ifile->last_ts;
3703 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3704 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3705 ifile->ts_offset -= delta;
3706 av_log(NULL, AV_LOG_DEBUG,
3707 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3708 delta, ifile->ts_offset);
3709 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3710 if (pkt.pts != AV_NOPTS_VALUE)
3711 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3715 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3716 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3717 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3719 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3720 int64_t delta = pkt_dts - ist->next_dts;
3721 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3722 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3723 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3724 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3725 ifile->ts_offset -= delta;
3726 av_log(NULL, AV_LOG_DEBUG,
3727 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3728 delta, ifile->ts_offset);
3729 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3730 if (pkt.pts != AV_NOPTS_VALUE)
3731 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3734 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3735 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3736 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3737 pkt.dts = AV_NOPTS_VALUE;
3739 if (pkt.pts != AV_NOPTS_VALUE){
3740 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3741 delta = pkt_pts - ist->next_dts;
3742 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3743 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3744 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3745 pkt.pts = AV_NOPTS_VALUE;
3751 if (pkt.dts != AV_NOPTS_VALUE)
3752 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3755 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",
3756 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3757 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3758 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3759 av_ts2str(input_files[ist->file_index]->ts_offset),
3760 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3763 sub2video_heartbeat(ist, pkt.pts);
3765 ret = process_input_packet(ist, &pkt);
3767 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3768 ist->file_index, ist->st->index, av_err2str(ret));
3774 av_free_packet(&pkt);
3780 * Perform a step of transcoding for the specified filter graph.
3782 * @param[in] graph filter graph to consider
3783 * @param[out] best_ist input stream where a frame would allow to continue
3784 * @return 0 for success, <0 for error
3786 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3789 int nb_requests, nb_requests_max = 0;
3790 InputFilter *ifilter;
3794 ret = avfilter_graph_request_oldest(graph->graph);
3796 return reap_filters(0);
3798 if (ret == AVERROR_EOF) {
3799 ret = reap_filters(1);
3800 for (i = 0; i < graph->nb_outputs; i++)
3801 close_output_stream(graph->outputs[i]->ost);
3804 if (ret != AVERROR(EAGAIN))
3807 for (i = 0; i < graph->nb_inputs; i++) {
3808 ifilter = graph->inputs[i];
3810 if (input_files[ist->file_index]->eagain ||
3811 input_files[ist->file_index]->eof_reached)
3813 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3814 if (nb_requests > nb_requests_max) {
3815 nb_requests_max = nb_requests;
3821 for (i = 0; i < graph->nb_outputs; i++)
3822 graph->outputs[i]->ost->unavailable = 1;
3828 * Run a single step of transcoding.
3830 * @return 0 for success, <0 for error
3832 static int transcode_step(void)
3838 ost = choose_output();
3845 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3850 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3855 av_assert0(ost->source_index >= 0);
3856 ist = input_streams[ost->source_index];
3859 ret = process_input(ist->file_index);
3860 if (ret == AVERROR(EAGAIN)) {
3861 if (input_files[ist->file_index]->eagain)
3862 ost->unavailable = 1;
3867 return ret == AVERROR_EOF ? 0 : ret;
3869 return reap_filters(0);
3873 * The following code is the main loop of the file converter
3875 static int transcode(void)
3878 AVFormatContext *os;
3881 int64_t timer_start;
3883 ret = transcode_init();
3887 if (stdin_interaction) {
3888 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3891 timer_start = av_gettime_relative();
3894 if ((ret = init_input_threads()) < 0)
3898 while (!received_sigterm) {
3899 int64_t cur_time= av_gettime_relative();
3901 /* if 'q' pressed, exits */
3902 if (stdin_interaction)
3903 if (check_keyboard_interaction(cur_time) < 0)
3906 /* check if there's any stream where output is still needed */
3907 if (!need_output()) {
3908 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3912 ret = transcode_step();
3914 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
3918 av_strerror(ret, errbuf, sizeof(errbuf));
3920 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
3925 /* dump report by using the output first video and audio streams */
3926 print_report(0, timer_start, cur_time);
3929 free_input_threads();
3932 /* at the end of stream, we must flush the decoder buffers */
3933 for (i = 0; i < nb_input_streams; i++) {
3934 ist = input_streams[i];
3935 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3936 process_input_packet(ist, NULL);
3943 /* write the trailer if needed and close file */
3944 for (i = 0; i < nb_output_files; i++) {
3945 os = output_files[i]->ctx;
3946 av_write_trailer(os);
3949 /* dump report by using the first video and audio streams */
3950 print_report(1, timer_start, av_gettime_relative());
3952 /* close each encoder */
3953 for (i = 0; i < nb_output_streams; i++) {
3954 ost = output_streams[i];
3955 if (ost->encoding_needed) {
3956 av_freep(&ost->enc_ctx->stats_in);
3960 /* close each decoder */
3961 for (i = 0; i < nb_input_streams; i++) {
3962 ist = input_streams[i];
3963 if (ist->decoding_needed) {
3964 avcodec_close(ist->dec_ctx);
3965 if (ist->hwaccel_uninit)
3966 ist->hwaccel_uninit(ist->dec_ctx);
3975 free_input_threads();
3978 if (output_streams) {
3979 for (i = 0; i < nb_output_streams; i++) {
3980 ost = output_streams[i];
3983 fclose(ost->logfile);
3984 ost->logfile = NULL;
3986 av_freep(&ost->forced_kf_pts);
3987 av_freep(&ost->apad);
3988 av_freep(&ost->disposition);
3989 av_dict_free(&ost->encoder_opts);
3990 av_dict_free(&ost->swr_opts);
3991 av_dict_free(&ost->resample_opts);
3992 av_dict_free(&ost->bsf_args);
4000 static int64_t getutime(void)
4003 struct rusage rusage;
4005 getrusage(RUSAGE_SELF, &rusage);
4006 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4007 #elif HAVE_GETPROCESSTIMES
4009 FILETIME c, e, k, u;
4010 proc = GetCurrentProcess();
4011 GetProcessTimes(proc, &c, &e, &k, &u);
4012 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4014 return av_gettime_relative();
4018 static int64_t getmaxrss(void)
4020 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4021 struct rusage rusage;
4022 getrusage(RUSAGE_SELF, &rusage);
4023 return (int64_t)rusage.ru_maxrss * 1024;
4024 #elif HAVE_GETPROCESSMEMORYINFO
4026 PROCESS_MEMORY_COUNTERS memcounters;
4027 proc = GetCurrentProcess();
4028 memcounters.cb = sizeof(memcounters);
4029 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4030 return memcounters.PeakPagefileUsage;
4036 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4040 int main(int argc, char **argv)
4045 register_exit(ffmpeg_cleanup);
4047 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4049 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4050 parse_loglevel(argc, argv, options);
4052 if(argc>1 && !strcmp(argv[1], "-d")){
4054 av_log_set_callback(log_callback_null);
4059 avcodec_register_all();
4061 avdevice_register_all();
4063 avfilter_register_all();
4065 avformat_network_init();
4067 show_banner(argc, argv, options);
4071 /* parse options and open all input/output files */
4072 ret = ffmpeg_parse_options(argc, argv);
4076 if (nb_output_files <= 0 && nb_input_files == 0) {
4078 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4082 /* file converter / grab */
4083 if (nb_output_files <= 0) {
4084 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4088 // if (nb_input_files == 0) {
4089 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4093 current_time = ti = getutime();
4094 if (transcode() < 0)
4096 ti = getutime() - ti;
4098 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4100 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4101 decode_error_stat[0], decode_error_stat[1]);
4102 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4105 exit_program(received_nb_signals ? 255 : main_return_code);
4106 return main_return_code;