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);
653 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
654 bsfc->filter->name, pkt->stream_index,
655 avctx->codec ? avctx->codec->name : "copy");
665 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
666 if (pkt->dts != AV_NOPTS_VALUE &&
667 pkt->pts != AV_NOPTS_VALUE &&
668 pkt->dts > pkt->pts) {
669 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
671 ost->file_index, ost->st->index);
673 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
674 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
675 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
678 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
679 pkt->dts != AV_NOPTS_VALUE &&
680 ost->last_mux_dts != AV_NOPTS_VALUE) {
681 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
682 if (pkt->dts < max) {
683 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
684 av_log(s, loglevel, "Non-monotonous DTS in output stream "
685 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
686 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
688 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
691 av_log(s, loglevel, "changing to %"PRId64". This may result "
692 "in incorrect timestamps in the output file.\n",
694 if(pkt->pts >= pkt->dts)
695 pkt->pts = FFMAX(pkt->pts, max);
700 ost->last_mux_dts = pkt->dts;
702 ost->data_size += pkt->size;
703 ost->packets_written++;
705 pkt->stream_index = ost->index;
708 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
709 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
710 av_get_media_type_string(ost->enc_ctx->codec_type),
711 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
712 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
717 ret = av_interleaved_write_frame(s, pkt);
719 print_error("av_interleaved_write_frame()", ret);
720 main_return_code = 1;
721 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
726 static void close_output_stream(OutputStream *ost)
728 OutputFile *of = output_files[ost->file_index];
730 ost->finished |= ENCODER_FINISHED;
732 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
733 of->recording_time = FFMIN(of->recording_time, end);
737 static int check_recording_time(OutputStream *ost)
739 OutputFile *of = output_files[ost->file_index];
741 if (of->recording_time != INT64_MAX &&
742 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
743 AV_TIME_BASE_Q) >= 0) {
744 close_output_stream(ost);
750 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
753 AVCodecContext *enc = ost->enc_ctx;
757 av_init_packet(&pkt);
761 if (!check_recording_time(ost))
764 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
765 frame->pts = ost->sync_opts;
766 ost->sync_opts = frame->pts + frame->nb_samples;
767 ost->samples_encoded += frame->nb_samples;
768 ost->frames_encoded++;
770 av_assert0(pkt.size || !pkt.data);
771 update_benchmark(NULL);
773 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
774 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
775 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
776 enc->time_base.num, enc->time_base.den);
779 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
780 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
783 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
786 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
789 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
790 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
791 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
792 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
795 write_frame(s, &pkt, ost);
799 static void do_subtitle_out(AVFormatContext *s,
804 int subtitle_out_max_size = 1024 * 1024;
805 int subtitle_out_size, nb, i;
810 if (sub->pts == AV_NOPTS_VALUE) {
811 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
820 subtitle_out = av_malloc(subtitle_out_max_size);
822 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
827 /* Note: DVB subtitle need one packet to draw them and one other
828 packet to clear them */
829 /* XXX: signal it in the codec context ? */
830 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
835 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
837 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
838 pts -= output_files[ost->file_index]->start_time;
839 for (i = 0; i < nb; i++) {
840 unsigned save_num_rects = sub->num_rects;
842 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
843 if (!check_recording_time(ost))
847 // start_display_time is required to be 0
848 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
849 sub->end_display_time -= sub->start_display_time;
850 sub->start_display_time = 0;
854 ost->frames_encoded++;
856 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
857 subtitle_out_max_size, sub);
859 sub->num_rects = save_num_rects;
860 if (subtitle_out_size < 0) {
861 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
865 av_init_packet(&pkt);
866 pkt.data = subtitle_out;
867 pkt.size = subtitle_out_size;
868 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
869 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
870 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
871 /* XXX: the pts correction is handled here. Maybe handling
872 it in the codec would be better */
874 pkt.pts += 90 * sub->start_display_time;
876 pkt.pts += 90 * sub->end_display_time;
879 write_frame(s, &pkt, ost);
883 static void do_video_out(AVFormatContext *s,
885 AVFrame *next_picture,
888 int ret, format_video_sync;
890 AVCodecContext *enc = ost->enc_ctx;
891 AVCodecContext *mux_enc = ost->st->codec;
892 int nb_frames, nb0_frames, i;
893 double delta, delta0;
896 InputStream *ist = NULL;
897 AVFilterContext *filter = ost->filter->filter;
899 if (ost->source_index >= 0)
900 ist = input_streams[ost->source_index];
902 if (filter->inputs[0]->frame_rate.num > 0 &&
903 filter->inputs[0]->frame_rate.den > 0)
904 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
906 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
907 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
909 if (!ost->filters_script &&
913 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
914 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
919 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
920 ost->last_nb0_frames[1],
921 ost->last_nb0_frames[2]);
923 delta0 = sync_ipts - ost->sync_opts;
924 delta = delta0 + duration;
926 /* by default, we output a single frame */
930 format_video_sync = video_sync_method;
931 if (format_video_sync == VSYNC_AUTO) {
932 if(!strcmp(s->oformat->name, "avi")) {
933 format_video_sync = VSYNC_VFR;
935 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
937 && format_video_sync == VSYNC_CFR
938 && input_files[ist->file_index]->ctx->nb_streams == 1
939 && input_files[ist->file_index]->input_ts_offset == 0) {
940 format_video_sync = VSYNC_VSCFR;
942 if (format_video_sync == VSYNC_CFR && copy_ts) {
943 format_video_sync = VSYNC_VSCFR;
949 format_video_sync != VSYNC_PASSTHROUGH &&
950 format_video_sync != VSYNC_DROP) {
951 double cor = FFMIN(-delta0, duration);
953 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
955 av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
961 switch (format_video_sync) {
963 if (ost->frame_number == 0 && delta - duration >= 0.5) {
964 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
967 ost->sync_opts = lrint(sync_ipts);
970 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
971 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
973 } else if (delta < -1.1)
975 else if (delta > 1.1) {
976 nb_frames = lrintf(delta);
978 nb0_frames = lrintf(delta0 - 0.6);
984 else if (delta > 0.6)
985 ost->sync_opts = lrint(sync_ipts);
988 case VSYNC_PASSTHROUGH:
989 ost->sync_opts = lrint(sync_ipts);
996 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
997 nb0_frames = FFMIN(nb0_frames, nb_frames);
999 memmove(ost->last_nb0_frames + 1,
1000 ost->last_nb0_frames,
1001 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1002 ost->last_nb0_frames[0] = nb0_frames;
1004 if (nb0_frames == 0 && ost->last_droped) {
1006 av_log(NULL, AV_LOG_VERBOSE,
1007 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1008 ost->frame_number, ost->st->index, ost->last_frame->pts);
1010 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
1011 if (nb_frames > dts_error_threshold * 30) {
1012 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1016 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
1017 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1019 ost->last_droped = nb_frames == nb0_frames && next_picture;
1021 /* duplicates frame if needed */
1022 for (i = 0; i < nb_frames; i++) {
1023 AVFrame *in_picture;
1024 av_init_packet(&pkt);
1028 if (i < nb0_frames && ost->last_frame) {
1029 in_picture = ost->last_frame;
1031 in_picture = next_picture;
1036 in_picture->pts = ost->sync_opts;
1039 if (!check_recording_time(ost))
1041 if (ost->frame_number >= ost->max_frames)
1045 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1046 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1047 /* raw pictures are written as AVPicture structure to
1048 avoid any copies. We support temporarily the older
1050 if (in_picture->interlaced_frame)
1051 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1053 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1054 pkt.data = (uint8_t *)in_picture;
1055 pkt.size = sizeof(AVPicture);
1056 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1057 pkt.flags |= AV_PKT_FLAG_KEY;
1059 write_frame(s, &pkt, ost);
1061 int got_packet, forced_keyframe = 0;
1064 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1065 ost->top_field_first >= 0)
1066 in_picture->top_field_first = !!ost->top_field_first;
1068 if (in_picture->interlaced_frame) {
1069 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1070 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1072 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1074 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1076 in_picture->quality = enc->global_quality;
1077 in_picture->pict_type = 0;
1079 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1080 in_picture->pts * av_q2d(enc->time_base) : NAN;
1081 if (ost->forced_kf_index < ost->forced_kf_count &&
1082 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1083 ost->forced_kf_index++;
1084 forced_keyframe = 1;
1085 } else if (ost->forced_keyframes_pexpr) {
1087 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1088 res = av_expr_eval(ost->forced_keyframes_pexpr,
1089 ost->forced_keyframes_expr_const_values, NULL);
1090 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1091 ost->forced_keyframes_expr_const_values[FKF_N],
1092 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1093 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1094 ost->forced_keyframes_expr_const_values[FKF_T],
1095 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1098 forced_keyframe = 1;
1099 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1100 ost->forced_keyframes_expr_const_values[FKF_N];
1101 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1102 ost->forced_keyframes_expr_const_values[FKF_T];
1103 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1106 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1107 } else if ( ost->forced_keyframes
1108 && !strncmp(ost->forced_keyframes, "source", 6)
1109 && in_picture->key_frame==1) {
1110 forced_keyframe = 1;
1113 if (forced_keyframe) {
1114 in_picture->pict_type = AV_PICTURE_TYPE_I;
1115 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1118 update_benchmark(NULL);
1120 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1121 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1122 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1123 enc->time_base.num, enc->time_base.den);
1126 ost->frames_encoded++;
1128 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1129 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1131 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1137 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1138 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1139 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1140 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1143 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1144 pkt.pts = ost->sync_opts;
1146 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1149 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1150 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1151 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1152 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1155 frame_size = pkt.size;
1156 write_frame(s, &pkt, ost);
1158 /* if two pass, output log */
1159 if (ost->logfile && enc->stats_out) {
1160 fprintf(ost->logfile, "%s", enc->stats_out);
1166 * For video, number of frames in == number of packets out.
1167 * But there may be reordering, so we can't throw away frames on encoder
1168 * flush, we need to limit them here, before they go into encoder.
1170 ost->frame_number++;
1172 if (vstats_filename && frame_size)
1173 do_video_stats(ost, frame_size);
1176 if (!ost->last_frame)
1177 ost->last_frame = av_frame_alloc();
1178 av_frame_unref(ost->last_frame);
1180 av_frame_ref(ost->last_frame, next_picture);
1183 static double psnr(double d)
1185 return -10.0 * log(d) / log(10.0);
1188 static void do_video_stats(OutputStream *ost, int frame_size)
1190 AVCodecContext *enc;
1192 double ti1, bitrate, avg_bitrate;
1194 /* this is executed just the first time do_video_stats is called */
1196 vstats_file = fopen(vstats_filename, "w");
1204 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1205 frame_number = ost->st->nb_frames;
1206 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame ? enc->coded_frame->quality / (float)FF_QP2LAMBDA : 0);
1207 if (enc->coded_frame && (enc->flags&CODEC_FLAG_PSNR))
1208 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1210 fprintf(vstats_file,"f_size= %6d ", frame_size);
1211 /* compute pts value */
1212 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1216 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1217 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1218 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1219 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1220 fprintf(vstats_file, "type= %c\n", enc->coded_frame ? av_get_picture_type_char(enc->coded_frame->pict_type) : 'I');
1224 static void finish_output_stream(OutputStream *ost)
1226 OutputFile *of = output_files[ost->file_index];
1229 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1232 for (i = 0; i < of->ctx->nb_streams; i++)
1233 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1238 * Get and encode new output from any of the filtergraphs, without causing
1241 * @return 0 for success, <0 for severe errors
1243 static int reap_filters(int flush)
1245 AVFrame *filtered_frame = NULL;
1248 /* Reap all buffers present in the buffer sinks */
1249 for (i = 0; i < nb_output_streams; i++) {
1250 OutputStream *ost = output_streams[i];
1251 OutputFile *of = output_files[ost->file_index];
1252 AVFilterContext *filter;
1253 AVCodecContext *enc = ost->enc_ctx;
1258 filter = ost->filter->filter;
1260 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1261 return AVERROR(ENOMEM);
1263 filtered_frame = ost->filtered_frame;
1266 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1267 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1268 AV_BUFFERSINK_FLAG_NO_REQUEST);
1270 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1271 av_log(NULL, AV_LOG_WARNING,
1272 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1273 } else if (flush && ret == AVERROR_EOF) {
1274 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1275 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1279 if (ost->finished) {
1280 av_frame_unref(filtered_frame);
1283 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1284 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1285 AVRational tb = enc->time_base;
1286 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1288 tb.den <<= extra_bits;
1290 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1291 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1292 float_pts /= 1 << extra_bits;
1293 // 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
1294 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1296 filtered_frame->pts =
1297 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1298 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1300 //if (ost->source_index >= 0)
1301 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1303 switch (filter->inputs[0]->type) {
1304 case AVMEDIA_TYPE_VIDEO:
1305 if (!ost->frame_aspect_ratio.num)
1306 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1309 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1310 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1312 enc->time_base.num, enc->time_base.den);
1315 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1317 case AVMEDIA_TYPE_AUDIO:
1318 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1319 enc->channels != av_frame_get_channels(filtered_frame)) {
1320 av_log(NULL, AV_LOG_ERROR,
1321 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1324 do_audio_out(of->ctx, ost, filtered_frame);
1327 // TODO support subtitle filters
1331 av_frame_unref(filtered_frame);
1338 static void print_final_stats(int64_t total_size)
1340 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1341 uint64_t subtitle_size = 0;
1342 uint64_t data_size = 0;
1343 float percent = -1.0;
1347 for (i = 0; i < nb_output_streams; i++) {
1348 OutputStream *ost = output_streams[i];
1349 switch (ost->enc_ctx->codec_type) {
1350 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1351 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1352 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1353 default: other_size += ost->data_size; break;
1355 extra_size += ost->enc_ctx->extradata_size;
1356 data_size += ost->data_size;
1357 if ( (ost->enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))
1358 != CODEC_FLAG_PASS1)
1362 if (data_size && total_size>0 && total_size >= data_size)
1363 percent = 100.0 * (total_size - data_size) / data_size;
1365 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: ",
1366 video_size / 1024.0,
1367 audio_size / 1024.0,
1368 subtitle_size / 1024.0,
1369 other_size / 1024.0,
1370 extra_size / 1024.0);
1372 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1374 av_log(NULL, AV_LOG_INFO, "unknown");
1375 av_log(NULL, AV_LOG_INFO, "\n");
1377 /* print verbose per-stream stats */
1378 for (i = 0; i < nb_input_files; i++) {
1379 InputFile *f = input_files[i];
1380 uint64_t total_packets = 0, total_size = 0;
1382 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1383 i, f->ctx->filename);
1385 for (j = 0; j < f->nb_streams; j++) {
1386 InputStream *ist = input_streams[f->ist_index + j];
1387 enum AVMediaType type = ist->dec_ctx->codec_type;
1389 total_size += ist->data_size;
1390 total_packets += ist->nb_packets;
1392 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1393 i, j, media_type_string(type));
1394 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1395 ist->nb_packets, ist->data_size);
1397 if (ist->decoding_needed) {
1398 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1399 ist->frames_decoded);
1400 if (type == AVMEDIA_TYPE_AUDIO)
1401 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1402 av_log(NULL, AV_LOG_VERBOSE, "; ");
1405 av_log(NULL, AV_LOG_VERBOSE, "\n");
1408 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1409 total_packets, total_size);
1412 for (i = 0; i < nb_output_files; i++) {
1413 OutputFile *of = output_files[i];
1414 uint64_t total_packets = 0, total_size = 0;
1416 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1417 i, of->ctx->filename);
1419 for (j = 0; j < of->ctx->nb_streams; j++) {
1420 OutputStream *ost = output_streams[of->ost_index + j];
1421 enum AVMediaType type = ost->enc_ctx->codec_type;
1423 total_size += ost->data_size;
1424 total_packets += ost->packets_written;
1426 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1427 i, j, media_type_string(type));
1428 if (ost->encoding_needed) {
1429 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1430 ost->frames_encoded);
1431 if (type == AVMEDIA_TYPE_AUDIO)
1432 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1433 av_log(NULL, AV_LOG_VERBOSE, "; ");
1436 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1437 ost->packets_written, ost->data_size);
1439 av_log(NULL, AV_LOG_VERBOSE, "\n");
1442 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1443 total_packets, total_size);
1445 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1446 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1448 av_log(NULL, AV_LOG_WARNING, "\n");
1450 av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1455 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1458 AVBPrint buf_script;
1460 AVFormatContext *oc;
1462 AVCodecContext *enc;
1463 int frame_number, vid, i;
1465 int64_t pts = INT64_MIN;
1466 static int64_t last_time = -1;
1467 static int qp_histogram[52];
1468 int hours, mins, secs, us;
1470 if (!print_stats && !is_last_report && !progress_avio)
1473 if (!is_last_report) {
1474 if (last_time == -1) {
1475 last_time = cur_time;
1478 if ((cur_time - last_time) < 500000)
1480 last_time = cur_time;
1484 oc = output_files[0]->ctx;
1486 total_size = avio_size(oc->pb);
1487 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1488 total_size = avio_tell(oc->pb);
1492 av_bprint_init(&buf_script, 0, 1);
1493 for (i = 0; i < nb_output_streams; i++) {
1495 ost = output_streams[i];
1497 if (!ost->stream_copy && enc->coded_frame)
1498 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1499 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1500 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1501 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1502 ost->file_index, ost->index, q);
1504 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1505 float fps, t = (cur_time-timer_start) / 1000000.0;
1507 frame_number = ost->frame_number;
1508 fps = t > 1 ? frame_number / t : 0;
1509 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1510 frame_number, fps < 9.95, fps, q);
1511 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1512 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1513 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1514 ost->file_index, ost->index, q);
1516 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1520 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1522 for (j = 0; j < 32; j++)
1523 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1525 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1527 double error, error_sum = 0;
1528 double scale, scale_sum = 0;
1530 char type[3] = { 'Y','U','V' };
1531 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1532 for (j = 0; j < 3; j++) {
1533 if (is_last_report) {
1534 error = enc->error[j];
1535 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1537 error = enc->coded_frame->error[j];
1538 scale = enc->width * enc->height * 255.0 * 255.0;
1544 p = psnr(error / scale);
1545 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1546 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1547 ost->file_index, ost->index, type[j] | 32, p);
1549 p = psnr(error_sum / scale_sum);
1550 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1551 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1552 ost->file_index, ost->index, p);
1556 /* compute min output value */
1557 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1558 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1559 ost->st->time_base, AV_TIME_BASE_Q));
1561 nb_frames_drop += ost->last_droped;
1564 secs = FFABS(pts) / AV_TIME_BASE;
1565 us = FFABS(pts) % AV_TIME_BASE;
1571 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1573 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1575 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1576 "size=%8.0fkB time=", total_size / 1024.0);
1578 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1579 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1580 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1581 (100 * us) / AV_TIME_BASE);
1584 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1585 av_bprintf(&buf_script, "bitrate=N/A\n");
1587 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1588 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1591 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1592 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1593 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1594 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1595 hours, mins, secs, us);
1597 if (nb_frames_dup || nb_frames_drop)
1598 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1599 nb_frames_dup, nb_frames_drop);
1600 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1601 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1603 if (print_stats || is_last_report) {
1604 const char end = is_last_report ? '\n' : '\r';
1605 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1606 fprintf(stderr, "%s %c", buf, end);
1608 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1613 if (progress_avio) {
1614 av_bprintf(&buf_script, "progress=%s\n",
1615 is_last_report ? "end" : "continue");
1616 avio_write(progress_avio, buf_script.str,
1617 FFMIN(buf_script.len, buf_script.size - 1));
1618 avio_flush(progress_avio);
1619 av_bprint_finalize(&buf_script, NULL);
1620 if (is_last_report) {
1621 avio_closep(&progress_avio);
1626 print_final_stats(total_size);
1629 static void flush_encoders(void)
1633 for (i = 0; i < nb_output_streams; i++) {
1634 OutputStream *ost = output_streams[i];
1635 AVCodecContext *enc = ost->enc_ctx;
1636 AVFormatContext *os = output_files[ost->file_index]->ctx;
1637 int stop_encoding = 0;
1639 if (!ost->encoding_needed)
1642 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1644 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1648 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1651 switch (enc->codec_type) {
1652 case AVMEDIA_TYPE_AUDIO:
1653 encode = avcodec_encode_audio2;
1656 case AVMEDIA_TYPE_VIDEO:
1657 encode = avcodec_encode_video2;
1668 av_init_packet(&pkt);
1672 update_benchmark(NULL);
1673 ret = encode(enc, &pkt, NULL, &got_packet);
1674 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1676 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1679 if (ost->logfile && enc->stats_out) {
1680 fprintf(ost->logfile, "%s", enc->stats_out);
1686 if (ost->finished & MUXER_FINISHED) {
1687 av_free_packet(&pkt);
1690 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1691 pkt_size = pkt.size;
1692 write_frame(os, &pkt, ost);
1693 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1694 do_video_stats(ost, pkt_size);
1705 * Check whether a packet from ist should be written into ost at this time
1707 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1709 OutputFile *of = output_files[ost->file_index];
1710 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1712 if (ost->source_index != ist_index)
1718 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1724 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1726 OutputFile *of = output_files[ost->file_index];
1727 InputFile *f = input_files [ist->file_index];
1728 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1729 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1730 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1734 av_init_packet(&opkt);
1736 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1737 !ost->copy_initial_nonkeyframes)
1740 if (pkt->pts == AV_NOPTS_VALUE) {
1741 if (!ost->frame_number && ist->pts < start_time &&
1742 !ost->copy_prior_start)
1745 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1746 !ost->copy_prior_start)
1750 if (of->recording_time != INT64_MAX &&
1751 ist->pts >= of->recording_time + start_time) {
1752 close_output_stream(ost);
1756 if (f->recording_time != INT64_MAX) {
1757 start_time = f->ctx->start_time;
1758 if (f->start_time != AV_NOPTS_VALUE)
1759 start_time += f->start_time;
1760 if (ist->pts >= f->recording_time + start_time) {
1761 close_output_stream(ost);
1766 /* force the input stream PTS */
1767 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1770 if (pkt->pts != AV_NOPTS_VALUE)
1771 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1773 opkt.pts = AV_NOPTS_VALUE;
1775 if (pkt->dts == AV_NOPTS_VALUE)
1776 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1778 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1779 opkt.dts -= ost_tb_start_time;
1781 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1782 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1784 duration = ist->dec_ctx->frame_size;
1785 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1786 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1787 ost->st->time_base) - ost_tb_start_time;
1790 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1791 opkt.flags = pkt->flags;
1793 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1794 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1795 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1796 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1797 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1799 if (av_parser_change(ost->parser, ost->st->codec,
1800 &opkt.data, &opkt.size,
1801 pkt->data, pkt->size,
1802 pkt->flags & AV_PKT_FLAG_KEY)) {
1803 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1808 opkt.data = pkt->data;
1809 opkt.size = pkt->size;
1811 av_copy_packet_side_data(&opkt, pkt);
1813 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1814 /* store AVPicture in AVPacket, as expected by the output format */
1815 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1816 opkt.data = (uint8_t *)&pict;
1817 opkt.size = sizeof(AVPicture);
1818 opkt.flags |= AV_PKT_FLAG_KEY;
1821 write_frame(of->ctx, &opkt, ost);
1824 int guess_input_channel_layout(InputStream *ist)
1826 AVCodecContext *dec = ist->dec_ctx;
1828 if (!dec->channel_layout) {
1829 char layout_name[256];
1831 if (dec->channels > ist->guess_layout_max)
1833 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1834 if (!dec->channel_layout)
1836 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1837 dec->channels, dec->channel_layout);
1838 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1839 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1844 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1846 AVFrame *decoded_frame, *f;
1847 AVCodecContext *avctx = ist->dec_ctx;
1848 int i, ret, err = 0, resample_changed;
1849 AVRational decoded_frame_tb;
1851 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1852 return AVERROR(ENOMEM);
1853 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1854 return AVERROR(ENOMEM);
1855 decoded_frame = ist->decoded_frame;
1857 update_benchmark(NULL);
1858 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1859 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1861 if (ret >= 0 && avctx->sample_rate <= 0) {
1862 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1863 ret = AVERROR_INVALIDDATA;
1866 if (*got_output || ret<0 || pkt->size)
1867 decode_error_stat[ret<0] ++;
1869 if (!*got_output || ret < 0) {
1871 for (i = 0; i < ist->nb_filters; i++)
1873 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1875 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1881 ist->samples_decoded += decoded_frame->nb_samples;
1882 ist->frames_decoded++;
1885 /* increment next_dts to use for the case where the input stream does not
1886 have timestamps or there are multiple frames in the packet */
1887 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1889 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1893 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1894 ist->resample_channels != avctx->channels ||
1895 ist->resample_channel_layout != decoded_frame->channel_layout ||
1896 ist->resample_sample_rate != decoded_frame->sample_rate;
1897 if (resample_changed) {
1898 char layout1[64], layout2[64];
1900 if (!guess_input_channel_layout(ist)) {
1901 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1902 "layout for Input Stream #%d.%d\n", ist->file_index,
1906 decoded_frame->channel_layout = avctx->channel_layout;
1908 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1909 ist->resample_channel_layout);
1910 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1911 decoded_frame->channel_layout);
1913 av_log(NULL, AV_LOG_INFO,
1914 "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",
1915 ist->file_index, ist->st->index,
1916 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1917 ist->resample_channels, layout1,
1918 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1919 avctx->channels, layout2);
1921 ist->resample_sample_fmt = decoded_frame->format;
1922 ist->resample_sample_rate = decoded_frame->sample_rate;
1923 ist->resample_channel_layout = decoded_frame->channel_layout;
1924 ist->resample_channels = avctx->channels;
1926 for (i = 0; i < nb_filtergraphs; i++)
1927 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1928 FilterGraph *fg = filtergraphs[i];
1929 if (configure_filtergraph(fg) < 0) {
1930 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1936 /* if the decoder provides a pts, use it instead of the last packet pts.
1937 the decoder could be delaying output by a packet or more. */
1938 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1939 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1940 decoded_frame_tb = avctx->time_base;
1941 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1942 decoded_frame->pts = decoded_frame->pkt_pts;
1943 decoded_frame_tb = ist->st->time_base;
1944 } else if (pkt->pts != AV_NOPTS_VALUE) {
1945 decoded_frame->pts = pkt->pts;
1946 decoded_frame_tb = ist->st->time_base;
1948 decoded_frame->pts = ist->dts;
1949 decoded_frame_tb = AV_TIME_BASE_Q;
1951 pkt->pts = AV_NOPTS_VALUE;
1952 if (decoded_frame->pts != AV_NOPTS_VALUE)
1953 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1954 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1955 (AVRational){1, avctx->sample_rate});
1956 for (i = 0; i < ist->nb_filters; i++) {
1957 if (i < ist->nb_filters - 1) {
1958 f = ist->filter_frame;
1959 err = av_frame_ref(f, decoded_frame);
1964 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1965 AV_BUFFERSRC_FLAG_PUSH);
1966 if (err == AVERROR_EOF)
1967 err = 0; /* ignore */
1971 decoded_frame->pts = AV_NOPTS_VALUE;
1973 av_frame_unref(ist->filter_frame);
1974 av_frame_unref(decoded_frame);
1975 return err < 0 ? err : ret;
1978 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1980 AVFrame *decoded_frame, *f;
1981 int i, ret = 0, err = 0, resample_changed;
1982 int64_t best_effort_timestamp;
1983 AVRational *frame_sample_aspect;
1985 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1986 return AVERROR(ENOMEM);
1987 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1988 return AVERROR(ENOMEM);
1989 decoded_frame = ist->decoded_frame;
1990 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1992 update_benchmark(NULL);
1993 ret = avcodec_decode_video2(ist->dec_ctx,
1994 decoded_frame, got_output, pkt);
1995 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1997 // The following line may be required in some cases where there is no parser
1998 // or the parser does not has_b_frames correctly
1999 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
2000 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2001 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
2003 av_log_ask_for_sample(
2005 "has_b_frames is larger in decoder than demuxer %d > %d ",
2006 ist->dec_ctx->has_b_frames,
2007 ist->st->codec->has_b_frames
2011 if (*got_output || ret<0 || pkt->size)
2012 decode_error_stat[ret<0] ++;
2014 if (*got_output && ret >= 0) {
2015 if (ist->dec_ctx->width != decoded_frame->width ||
2016 ist->dec_ctx->height != decoded_frame->height ||
2017 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2018 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2019 decoded_frame->width,
2020 decoded_frame->height,
2021 decoded_frame->format,
2022 ist->dec_ctx->width,
2023 ist->dec_ctx->height,
2024 ist->dec_ctx->pix_fmt);
2028 if (!*got_output || ret < 0) {
2030 for (i = 0; i < ist->nb_filters; i++)
2032 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
2034 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2040 if(ist->top_field_first>=0)
2041 decoded_frame->top_field_first = ist->top_field_first;
2043 ist->frames_decoded++;
2045 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2046 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2050 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2052 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2053 if(best_effort_timestamp != AV_NOPTS_VALUE)
2054 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2057 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2058 "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",
2059 ist->st->index, av_ts2str(decoded_frame->pts),
2060 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2061 best_effort_timestamp,
2062 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2063 decoded_frame->key_frame, decoded_frame->pict_type,
2064 ist->st->time_base.num, ist->st->time_base.den);
2069 if (ist->st->sample_aspect_ratio.num)
2070 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2072 resample_changed = ist->resample_width != decoded_frame->width ||
2073 ist->resample_height != decoded_frame->height ||
2074 ist->resample_pix_fmt != decoded_frame->format;
2075 if (resample_changed) {
2076 av_log(NULL, AV_LOG_INFO,
2077 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2078 ist->file_index, ist->st->index,
2079 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2080 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2082 ist->resample_width = decoded_frame->width;
2083 ist->resample_height = decoded_frame->height;
2084 ist->resample_pix_fmt = decoded_frame->format;
2086 for (i = 0; i < nb_filtergraphs; i++) {
2087 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2088 configure_filtergraph(filtergraphs[i]) < 0) {
2089 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2095 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2096 for (i = 0; i < ist->nb_filters; i++) {
2097 if (!frame_sample_aspect->num)
2098 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2100 if (i < ist->nb_filters - 1) {
2101 f = ist->filter_frame;
2102 err = av_frame_ref(f, decoded_frame);
2107 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2108 if (ret == AVERROR_EOF) {
2109 ret = 0; /* ignore */
2110 } else if (ret < 0) {
2111 av_log(NULL, AV_LOG_FATAL,
2112 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2118 av_frame_unref(ist->filter_frame);
2119 av_frame_unref(decoded_frame);
2120 return err < 0 ? err : ret;
2123 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2125 AVSubtitle subtitle;
2126 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2127 &subtitle, got_output, pkt);
2129 if (*got_output || ret<0 || pkt->size)
2130 decode_error_stat[ret<0] ++;
2132 if (ret < 0 || !*got_output) {
2134 sub2video_flush(ist);
2138 if (ist->fix_sub_duration) {
2140 if (ist->prev_sub.got_output) {
2141 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2142 1000, AV_TIME_BASE);
2143 if (end < ist->prev_sub.subtitle.end_display_time) {
2144 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2145 "Subtitle duration reduced from %d to %d%s\n",
2146 ist->prev_sub.subtitle.end_display_time, end,
2147 end <= 0 ? ", dropping it" : "");
2148 ist->prev_sub.subtitle.end_display_time = end;
2151 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2152 FFSWAP(int, ret, ist->prev_sub.ret);
2153 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2161 sub2video_update(ist, &subtitle);
2163 if (!subtitle.num_rects)
2166 ist->frames_decoded++;
2168 for (i = 0; i < nb_output_streams; i++) {
2169 OutputStream *ost = output_streams[i];
2171 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2172 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2175 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2179 avsubtitle_free(&subtitle);
2183 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2184 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2190 if (!ist->saw_first_ts) {
2191 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;
2193 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2194 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2195 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2197 ist->saw_first_ts = 1;
2200 if (ist->next_dts == AV_NOPTS_VALUE)
2201 ist->next_dts = ist->dts;
2202 if (ist->next_pts == AV_NOPTS_VALUE)
2203 ist->next_pts = ist->pts;
2207 av_init_packet(&avpkt);
2215 if (pkt->dts != AV_NOPTS_VALUE) {
2216 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2217 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2218 ist->next_pts = ist->pts = ist->dts;
2221 // while we have more to decode or while the decoder did output something on EOF
2222 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2226 ist->pts = ist->next_pts;
2227 ist->dts = ist->next_dts;
2229 if (avpkt.size && avpkt.size != pkt->size &&
2230 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2231 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2232 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2233 ist->showed_multi_packet_warning = 1;
2236 switch (ist->dec_ctx->codec_type) {
2237 case AVMEDIA_TYPE_AUDIO:
2238 ret = decode_audio (ist, &avpkt, &got_output);
2240 case AVMEDIA_TYPE_VIDEO:
2241 ret = decode_video (ist, &avpkt, &got_output);
2242 if (avpkt.duration) {
2243 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2244 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2245 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2246 duration = ((int64_t)AV_TIME_BASE *
2247 ist->dec_ctx->framerate.den * ticks) /
2248 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2252 if(ist->dts != AV_NOPTS_VALUE && duration) {
2253 ist->next_dts += duration;
2255 ist->next_dts = AV_NOPTS_VALUE;
2258 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2260 case AVMEDIA_TYPE_SUBTITLE:
2261 ret = transcode_subtitles(ist, &avpkt, &got_output);
2271 avpkt.pts= AV_NOPTS_VALUE;
2273 // touch data and size only if not EOF
2275 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2283 if (got_output && !pkt)
2287 /* handle stream copy */
2288 if (!ist->decoding_needed) {
2289 ist->dts = ist->next_dts;
2290 switch (ist->dec_ctx->codec_type) {
2291 case AVMEDIA_TYPE_AUDIO:
2292 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2293 ist->dec_ctx->sample_rate;
2295 case AVMEDIA_TYPE_VIDEO:
2296 if (ist->framerate.num) {
2297 // TODO: Remove work-around for c99-to-c89 issue 7
2298 AVRational time_base_q = AV_TIME_BASE_Q;
2299 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2300 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2301 } else if (pkt->duration) {
2302 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2303 } else if(ist->dec_ctx->framerate.num != 0) {
2304 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2305 ist->next_dts += ((int64_t)AV_TIME_BASE *
2306 ist->dec_ctx->framerate.den * ticks) /
2307 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2311 ist->pts = ist->dts;
2312 ist->next_pts = ist->next_dts;
2314 for (i = 0; pkt && i < nb_output_streams; i++) {
2315 OutputStream *ost = output_streams[i];
2317 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2320 do_streamcopy(ist, ost, pkt);
2326 static void print_sdp(void)
2331 AVIOContext *sdp_pb;
2332 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2336 for (i = 0, j = 0; i < nb_output_files; i++) {
2337 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2338 avc[j] = output_files[i]->ctx;
2343 av_sdp_create(avc, j, sdp, sizeof(sdp));
2345 if (!sdp_filename) {
2346 printf("SDP:\n%s\n", sdp);
2349 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2350 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2352 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2353 avio_closep(&sdp_pb);
2354 av_freep(&sdp_filename);
2361 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2364 for (i = 0; hwaccels[i].name; i++)
2365 if (hwaccels[i].pix_fmt == pix_fmt)
2366 return &hwaccels[i];
2370 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2372 InputStream *ist = s->opaque;
2373 const enum AVPixelFormat *p;
2376 for (p = pix_fmts; *p != -1; p++) {
2377 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2378 const HWAccel *hwaccel;
2380 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2383 hwaccel = get_hwaccel(*p);
2385 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2386 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2389 ret = hwaccel->init(s);
2391 if (ist->hwaccel_id == hwaccel->id) {
2392 av_log(NULL, AV_LOG_FATAL,
2393 "%s hwaccel requested for input stream #%d:%d, "
2394 "but cannot be initialized.\n", hwaccel->name,
2395 ist->file_index, ist->st->index);
2396 return AV_PIX_FMT_NONE;
2400 ist->active_hwaccel_id = hwaccel->id;
2401 ist->hwaccel_pix_fmt = *p;
2408 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2410 InputStream *ist = s->opaque;
2412 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2413 return ist->hwaccel_get_buffer(s, frame, flags);
2415 return avcodec_default_get_buffer2(s, frame, flags);
2418 static int init_input_stream(int ist_index, char *error, int error_len)
2421 InputStream *ist = input_streams[ist_index];
2423 if (ist->decoding_needed) {
2424 AVCodec *codec = ist->dec;
2426 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2427 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2428 return AVERROR(EINVAL);
2431 ist->dec_ctx->opaque = ist;
2432 ist->dec_ctx->get_format = get_format;
2433 ist->dec_ctx->get_buffer2 = get_buffer;
2434 ist->dec_ctx->thread_safe_callbacks = 1;
2436 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2437 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2438 (ist->decoding_needed & DECODING_FOR_OST)) {
2439 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2440 if (ist->decoding_needed & DECODING_FOR_FILTER)
2441 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");
2444 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2445 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2446 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2447 if (ret == AVERROR_EXPERIMENTAL)
2448 abort_codec_experimental(codec, 0);
2450 snprintf(error, error_len,
2451 "Error while opening decoder for input stream "
2453 ist->file_index, ist->st->index, av_err2str(ret));
2456 assert_avoptions(ist->decoder_opts);
2459 ist->next_pts = AV_NOPTS_VALUE;
2460 ist->next_dts = AV_NOPTS_VALUE;
2465 static InputStream *get_input_stream(OutputStream *ost)
2467 if (ost->source_index >= 0)
2468 return input_streams[ost->source_index];
2472 static int compare_int64(const void *a, const void *b)
2474 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2475 return va < vb ? -1 : va > vb ? +1 : 0;
2478 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2479 AVCodecContext *avctx)
2482 int n = 1, i, size, index = 0;
2485 for (p = kf; *p; p++)
2489 pts = av_malloc_array(size, sizeof(*pts));
2491 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2496 for (i = 0; i < n; i++) {
2497 char *next = strchr(p, ',');
2502 if (!memcmp(p, "chapters", 8)) {
2504 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2507 if (avf->nb_chapters > INT_MAX - size ||
2508 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2510 av_log(NULL, AV_LOG_FATAL,
2511 "Could not allocate forced key frames array.\n");
2514 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2515 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2517 for (j = 0; j < avf->nb_chapters; j++) {
2518 AVChapter *c = avf->chapters[j];
2519 av_assert1(index < size);
2520 pts[index++] = av_rescale_q(c->start, c->time_base,
2521 avctx->time_base) + t;
2526 t = parse_time_or_die("force_key_frames", p, 1);
2527 av_assert1(index < size);
2528 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2535 av_assert0(index == size);
2536 qsort(pts, size, sizeof(*pts), compare_int64);
2537 ost->forced_kf_count = size;
2538 ost->forced_kf_pts = pts;
2541 static void report_new_stream(int input_index, AVPacket *pkt)
2543 InputFile *file = input_files[input_index];
2544 AVStream *st = file->ctx->streams[pkt->stream_index];
2546 if (pkt->stream_index < file->nb_streams_warn)
2548 av_log(file->ctx, AV_LOG_WARNING,
2549 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2550 av_get_media_type_string(st->codec->codec_type),
2551 input_index, pkt->stream_index,
2552 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2553 file->nb_streams_warn = pkt->stream_index + 1;
2556 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2558 AVDictionaryEntry *e;
2560 uint8_t *encoder_string;
2561 int encoder_string_len;
2562 int format_flags = 0;
2563 int codec_flags = 0;
2565 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2568 e = av_dict_get(of->opts, "fflags", NULL, 0);
2570 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2573 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2575 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2577 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2580 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2583 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2584 encoder_string = av_mallocz(encoder_string_len);
2585 if (!encoder_string)
2588 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2589 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2591 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2592 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2593 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2594 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2597 static int transcode_init(void)
2599 int ret = 0, i, j, k;
2600 AVFormatContext *oc;
2603 char error[1024] = {0};
2606 for (i = 0; i < nb_filtergraphs; i++) {
2607 FilterGraph *fg = filtergraphs[i];
2608 for (j = 0; j < fg->nb_outputs; j++) {
2609 OutputFilter *ofilter = fg->outputs[j];
2610 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2612 if (fg->nb_inputs != 1)
2614 for (k = nb_input_streams-1; k >= 0 ; k--)
2615 if (fg->inputs[0]->ist == input_streams[k])
2617 ofilter->ost->source_index = k;
2621 /* init framerate emulation */
2622 for (i = 0; i < nb_input_files; i++) {
2623 InputFile *ifile = input_files[i];
2624 if (ifile->rate_emu)
2625 for (j = 0; j < ifile->nb_streams; j++)
2626 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2629 /* output stream init */
2630 for (i = 0; i < nb_output_files; i++) {
2631 oc = output_files[i]->ctx;
2632 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2633 av_dump_format(oc, i, oc->filename, 1);
2634 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2635 return AVERROR(EINVAL);
2639 /* init complex filtergraphs */
2640 for (i = 0; i < nb_filtergraphs; i++)
2641 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2644 /* for each output stream, we compute the right encoding parameters */
2645 for (i = 0; i < nb_output_streams; i++) {
2646 AVCodecContext *enc_ctx;
2647 AVCodecContext *dec_ctx = NULL;
2648 ost = output_streams[i];
2649 oc = output_files[ost->file_index]->ctx;
2650 ist = get_input_stream(ost);
2652 if (ost->attachment_filename)
2655 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2658 dec_ctx = ist->dec_ctx;
2660 ost->st->disposition = ist->st->disposition;
2661 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2662 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2664 for (j=0; j<oc->nb_streams; j++) {
2665 AVStream *st = oc->streams[j];
2666 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2669 if (j == oc->nb_streams)
2670 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2671 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2674 if (ost->stream_copy) {
2676 uint64_t extra_size;
2678 av_assert0(ist && !ost->filter);
2680 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2682 if (extra_size > INT_MAX) {
2683 return AVERROR(EINVAL);
2686 /* if stream_copy is selected, no need to decode or encode */
2687 enc_ctx->codec_id = dec_ctx->codec_id;
2688 enc_ctx->codec_type = dec_ctx->codec_type;
2690 if (!enc_ctx->codec_tag) {
2691 unsigned int codec_tag;
2692 if (!oc->oformat->codec_tag ||
2693 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2694 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2695 enc_ctx->codec_tag = dec_ctx->codec_tag;
2698 enc_ctx->bit_rate = dec_ctx->bit_rate;
2699 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2700 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2701 enc_ctx->field_order = dec_ctx->field_order;
2702 if (dec_ctx->extradata_size) {
2703 enc_ctx->extradata = av_mallocz(extra_size);
2704 if (!enc_ctx->extradata) {
2705 return AVERROR(ENOMEM);
2707 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2709 enc_ctx->extradata_size= dec_ctx->extradata_size;
2710 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2712 enc_ctx->time_base = ist->st->time_base;
2714 * Avi is a special case here because it supports variable fps but
2715 * having the fps and timebase differe significantly adds quite some
2718 if(!strcmp(oc->oformat->name, "avi")) {
2719 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2720 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2721 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2722 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2724 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2725 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2726 enc_ctx->ticks_per_frame = 2;
2727 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2728 && av_q2d(ist->st->time_base) < 1.0/500
2730 enc_ctx->time_base = dec_ctx->time_base;
2731 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2732 enc_ctx->time_base.den *= 2;
2733 enc_ctx->ticks_per_frame = 2;
2735 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2736 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2737 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2738 && strcmp(oc->oformat->name, "f4v")
2740 if( copy_tb<0 && dec_ctx->time_base.den
2741 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2742 && av_q2d(ist->st->time_base) < 1.0/500
2744 enc_ctx->time_base = dec_ctx->time_base;
2745 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2748 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2749 && dec_ctx->time_base.num < dec_ctx->time_base.den
2750 && dec_ctx->time_base.num > 0
2751 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2752 enc_ctx->time_base = dec_ctx->time_base;
2755 if (ist && !ost->frame_rate.num)
2756 ost->frame_rate = ist->framerate;
2757 if(ost->frame_rate.num)
2758 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2760 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2761 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2763 if (ist->st->nb_side_data) {
2764 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2765 sizeof(*ist->st->side_data));
2766 if (!ost->st->side_data)
2767 return AVERROR(ENOMEM);
2769 ost->st->nb_side_data = 0;
2770 for (j = 0; j < ist->st->nb_side_data; j++) {
2771 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2772 AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
2774 if (ost->rotate_overridden && sd_src->type == AV_PKT_DATA_DISPLAYMATRIX)
2777 sd_dst->data = av_malloc(sd_src->size);
2779 return AVERROR(ENOMEM);
2780 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2781 sd_dst->size = sd_src->size;
2782 sd_dst->type = sd_src->type;
2783 ost->st->nb_side_data++;
2787 ost->parser = av_parser_init(enc_ctx->codec_id);
2789 switch (enc_ctx->codec_type) {
2790 case AVMEDIA_TYPE_AUDIO:
2791 if (audio_volume != 256) {
2792 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2795 enc_ctx->channel_layout = dec_ctx->channel_layout;
2796 enc_ctx->sample_rate = dec_ctx->sample_rate;
2797 enc_ctx->channels = dec_ctx->channels;
2798 enc_ctx->frame_size = dec_ctx->frame_size;
2799 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2800 enc_ctx->block_align = dec_ctx->block_align;
2801 enc_ctx->initial_padding = dec_ctx->delay;
2802 #if FF_API_AUDIOENC_DELAY
2803 enc_ctx->delay = dec_ctx->delay;
2805 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2806 enc_ctx->block_align= 0;
2807 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2808 enc_ctx->block_align= 0;
2810 case AVMEDIA_TYPE_VIDEO:
2811 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2812 enc_ctx->width = dec_ctx->width;
2813 enc_ctx->height = dec_ctx->height;
2814 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2815 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2817 av_mul_q(ost->frame_aspect_ratio,
2818 (AVRational){ enc_ctx->height, enc_ctx->width });
2819 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2820 "with stream copy may produce invalid files\n");
2822 else if (ist->st->sample_aspect_ratio.num)
2823 sar = ist->st->sample_aspect_ratio;
2825 sar = dec_ctx->sample_aspect_ratio;
2826 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2827 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2828 ost->st->r_frame_rate = ist->st->r_frame_rate;
2830 case AVMEDIA_TYPE_SUBTITLE:
2831 enc_ctx->width = dec_ctx->width;
2832 enc_ctx->height = dec_ctx->height;
2834 case AVMEDIA_TYPE_UNKNOWN:
2835 case AVMEDIA_TYPE_DATA:
2836 case AVMEDIA_TYPE_ATTACHMENT:
2843 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2845 /* should only happen when a default codec is not present. */
2846 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2847 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2848 ret = AVERROR(EINVAL);
2853 ist->decoding_needed |= DECODING_FOR_OST;
2854 ost->encoding_needed = 1;
2856 set_encoder_id(output_files[ost->file_index], ost);
2859 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2860 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2862 fg = init_simple_filtergraph(ist, ost);
2863 if (configure_filtergraph(fg)) {
2864 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2869 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2870 if (!ost->frame_rate.num)
2871 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2872 if (ist && !ost->frame_rate.num)
2873 ost->frame_rate = ist->framerate;
2874 if (ist && !ost->frame_rate.num)
2875 ost->frame_rate = ist->st->r_frame_rate;
2876 if (ist && !ost->frame_rate.num) {
2877 ost->frame_rate = (AVRational){25, 1};
2878 av_log(NULL, AV_LOG_WARNING,
2880 "about the input framerate is available. Falling "
2881 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2882 "if you want a different framerate.\n",
2883 ost->file_index, ost->index);
2885 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2886 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2887 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2888 ost->frame_rate = ost->enc->supported_framerates[idx];
2890 // reduce frame rate for mpeg4 to be within the spec limits
2891 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2892 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2893 ost->frame_rate.num, ost->frame_rate.den, 65535);
2897 switch (enc_ctx->codec_type) {
2898 case AVMEDIA_TYPE_AUDIO:
2899 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2900 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2901 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2902 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2903 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2905 case AVMEDIA_TYPE_VIDEO:
2906 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2907 if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
2908 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2909 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2910 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2911 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2912 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2914 for (j = 0; j < ost->forced_kf_count; j++)
2915 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2917 enc_ctx->time_base);
2919 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2920 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2921 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2922 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2923 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2924 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2925 if (!strncmp(ost->enc->name, "libx264", 7) &&
2926 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2927 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2928 av_log(NULL, AV_LOG_WARNING,
2929 "No pixel format specified, %s for H.264 encoding chosen.\n"
2930 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2931 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2932 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2933 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2934 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2935 av_log(NULL, AV_LOG_WARNING,
2936 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2937 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2938 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2939 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2941 ost->st->avg_frame_rate = ost->frame_rate;
2944 enc_ctx->width != dec_ctx->width ||
2945 enc_ctx->height != dec_ctx->height ||
2946 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2947 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2950 if (ost->forced_keyframes) {
2951 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2952 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2953 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2955 av_log(NULL, AV_LOG_ERROR,
2956 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2959 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2960 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2961 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2962 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2964 // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
2965 // parse it only for static kf timings
2966 } else if(strncmp(ost->forced_keyframes, "source", 6)) {
2967 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2971 case AVMEDIA_TYPE_SUBTITLE:
2972 enc_ctx->time_base = (AVRational){1, 1000};
2973 if (!enc_ctx->width) {
2974 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2975 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2978 case AVMEDIA_TYPE_DATA:
2985 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2986 char logfilename[1024];
2989 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2990 ost->logfile_prefix ? ost->logfile_prefix :
2991 DEFAULT_PASS_LOGFILENAME_PREFIX,
2993 if (!strcmp(ost->enc->name, "libx264")) {
2994 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2996 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2998 size_t logbuffer_size;
2999 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
3000 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
3004 enc_ctx->stats_in = logbuffer;
3006 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
3007 f = av_fopen_utf8(logfilename, "wb");
3009 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
3010 logfilename, strerror(errno));
3019 if (ost->disposition) {
3020 static const AVOption opts[] = {
3021 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3022 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3023 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3024 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3025 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3026 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3027 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3028 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3029 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3030 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3031 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3032 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3033 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3034 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3037 static const AVClass class = {
3039 .item_name = av_default_item_name,
3041 .version = LIBAVUTIL_VERSION_INT,
3043 const AVClass *pclass = &class;
3045 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3051 /* open each encoder */
3052 for (i = 0; i < nb_output_streams; i++) {
3053 ost = output_streams[i];
3054 if (ost->encoding_needed) {
3055 AVCodec *codec = ost->enc;
3056 AVCodecContext *dec = NULL;
3058 if ((ist = get_input_stream(ost)))
3060 if (dec && dec->subtitle_header) {
3061 /* ASS code assumes this buffer is null terminated so add extra byte. */
3062 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3063 if (!ost->enc_ctx->subtitle_header) {
3064 ret = AVERROR(ENOMEM);
3067 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3068 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3070 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3071 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3072 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3074 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3075 if (ret == AVERROR_EXPERIMENTAL)
3076 abort_codec_experimental(codec, 1);
3077 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3078 ost->file_index, ost->index);
3081 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3082 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3083 av_buffersink_set_frame_size(ost->filter->filter,
3084 ost->enc_ctx->frame_size);
3085 assert_avoptions(ost->encoder_opts);
3086 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3087 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3088 " It takes bits/s as argument, not kbits/s\n");
3090 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3092 av_log(NULL, AV_LOG_FATAL,
3093 "Error initializing the output stream codec context.\n");
3097 // copy timebase while removing common factors
3098 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3099 ost->st->codec->codec= ost->enc_ctx->codec;
3101 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3103 av_log(NULL, AV_LOG_FATAL,
3104 "Error setting up codec context options.\n");
3107 // copy timebase while removing common factors
3108 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
3112 /* init input streams */
3113 for (i = 0; i < nb_input_streams; i++)
3114 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3115 for (i = 0; i < nb_output_streams; i++) {
3116 ost = output_streams[i];
3117 avcodec_close(ost->enc_ctx);
3122 /* discard unused programs */
3123 for (i = 0; i < nb_input_files; i++) {
3124 InputFile *ifile = input_files[i];
3125 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3126 AVProgram *p = ifile->ctx->programs[j];
3127 int discard = AVDISCARD_ALL;
3129 for (k = 0; k < p->nb_stream_indexes; k++)
3130 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3131 discard = AVDISCARD_DEFAULT;
3134 p->discard = discard;
3138 /* open files and write file headers */
3139 for (i = 0; i < nb_output_files; i++) {
3140 oc = output_files[i]->ctx;
3141 oc->interrupt_callback = int_cb;
3142 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3143 snprintf(error, sizeof(error),
3144 "Could not write header for output file #%d "
3145 "(incorrect codec parameters ?): %s",
3146 i, av_err2str(ret));
3147 ret = AVERROR(EINVAL);
3150 // assert_avoptions(output_files[i]->opts);
3151 if (strcmp(oc->oformat->name, "rtp")) {
3157 /* dump the file output parameters - cannot be done before in case
3159 for (i = 0; i < nb_output_files; i++) {
3160 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3163 /* dump the stream mapping */
3164 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3165 for (i = 0; i < nb_input_streams; i++) {
3166 ist = input_streams[i];
3168 for (j = 0; j < ist->nb_filters; j++) {
3169 if (ist->filters[j]->graph->graph_desc) {
3170 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3171 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3172 ist->filters[j]->name);
3173 if (nb_filtergraphs > 1)
3174 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3175 av_log(NULL, AV_LOG_INFO, "\n");
3180 for (i = 0; i < nb_output_streams; i++) {
3181 ost = output_streams[i];
3183 if (ost->attachment_filename) {
3184 /* an attached file */
3185 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3186 ost->attachment_filename, ost->file_index, ost->index);
3190 if (ost->filter && ost->filter->graph->graph_desc) {
3191 /* output from a complex graph */
3192 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3193 if (nb_filtergraphs > 1)
3194 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3196 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3197 ost->index, ost->enc ? ost->enc->name : "?");
3201 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3202 input_streams[ost->source_index]->file_index,
3203 input_streams[ost->source_index]->st->index,
3206 if (ost->sync_ist != input_streams[ost->source_index])
3207 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3208 ost->sync_ist->file_index,
3209 ost->sync_ist->st->index);
3210 if (ost->stream_copy)
3211 av_log(NULL, AV_LOG_INFO, " (copy)");
3213 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3214 const AVCodec *out_codec = ost->enc;
3215 const char *decoder_name = "?";
3216 const char *in_codec_name = "?";
3217 const char *encoder_name = "?";
3218 const char *out_codec_name = "?";
3219 const AVCodecDescriptor *desc;
3222 decoder_name = in_codec->name;
3223 desc = avcodec_descriptor_get(in_codec->id);
3225 in_codec_name = desc->name;
3226 if (!strcmp(decoder_name, in_codec_name))
3227 decoder_name = "native";
3231 encoder_name = out_codec->name;
3232 desc = avcodec_descriptor_get(out_codec->id);
3234 out_codec_name = desc->name;
3235 if (!strcmp(encoder_name, out_codec_name))
3236 encoder_name = "native";
3239 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3240 in_codec_name, decoder_name,
3241 out_codec_name, encoder_name);
3243 av_log(NULL, AV_LOG_INFO, "\n");
3247 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3251 if (sdp_filename || want_sdp) {
3255 transcode_init_done = 1;
3260 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3261 static int need_output(void)
3265 for (i = 0; i < nb_output_streams; i++) {
3266 OutputStream *ost = output_streams[i];
3267 OutputFile *of = output_files[ost->file_index];
3268 AVFormatContext *os = output_files[ost->file_index]->ctx;
3270 if (ost->finished ||
3271 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3273 if (ost->frame_number >= ost->max_frames) {
3275 for (j = 0; j < of->ctx->nb_streams; j++)
3276 close_output_stream(output_streams[of->ost_index + j]);
3287 * Select the output stream to process.
3289 * @return selected output stream, or NULL if none available
3291 static OutputStream *choose_output(void)
3294 int64_t opts_min = INT64_MAX;
3295 OutputStream *ost_min = NULL;
3297 for (i = 0; i < nb_output_streams; i++) {
3298 OutputStream *ost = output_streams[i];
3299 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3301 if (!ost->finished && opts < opts_min) {
3303 ost_min = ost->unavailable ? NULL : ost;
3309 static int check_keyboard_interaction(int64_t cur_time)
3312 static int64_t last_time;
3313 if (received_nb_signals)
3314 return AVERROR_EXIT;
3315 /* read_key() returns 0 on EOF */
3316 if(cur_time - last_time >= 100000 && !run_as_daemon){
3318 last_time = cur_time;
3322 return AVERROR_EXIT;
3323 if (key == '+') av_log_set_level(av_log_get_level()+10);
3324 if (key == '-') av_log_set_level(av_log_get_level()-10);
3325 if (key == 's') qp_hist ^= 1;
3328 do_hex_dump = do_pkt_dump = 0;
3329 } else if(do_pkt_dump){
3333 av_log_set_level(AV_LOG_DEBUG);
3335 if (key == 'c' || key == 'C'){
3336 char buf[4096], target[64], command[256], arg[256] = {0};
3339 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3341 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3346 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3347 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3348 target, time, command, arg);
3349 for (i = 0; i < nb_filtergraphs; i++) {
3350 FilterGraph *fg = filtergraphs[i];
3353 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3354 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3355 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3356 } else if (key == 'c') {
3357 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3358 ret = AVERROR_PATCHWELCOME;
3360 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3362 fprintf(stderr, "Queing command failed with error %s\n", av_err2str(ret));
3367 av_log(NULL, AV_LOG_ERROR,
3368 "Parse error, at least 3 arguments were expected, "
3369 "only %d given in string '%s'\n", n, buf);
3372 if (key == 'd' || key == 'D'){
3375 debug = input_streams[0]->st->codec->debug<<1;
3376 if(!debug) debug = 1;
3377 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3380 if(scanf("%d", &debug)!=1)
3381 fprintf(stderr,"error parsing debug value\n");
3382 for(i=0;i<nb_input_streams;i++) {
3383 input_streams[i]->st->codec->debug = debug;
3385 for(i=0;i<nb_output_streams;i++) {
3386 OutputStream *ost = output_streams[i];
3387 ost->enc_ctx->debug = debug;
3389 if(debug) av_log_set_level(AV_LOG_DEBUG);
3390 fprintf(stderr,"debug=%d\n", debug);
3393 fprintf(stderr, "key function\n"
3394 "? show this help\n"
3395 "+ increase verbosity\n"
3396 "- decrease verbosity\n"
3397 "c Send command to first matching filter supporting it\n"
3398 "C Send/Que command to all matching filters\n"
3399 "D cycle through available debug modes\n"
3400 "h dump packets/hex press to cycle through the 3 states\n"
3402 "s Show QP histogram\n"
3409 static void *input_thread(void *arg)
3412 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3417 ret = av_read_frame(f->ctx, &pkt);
3419 if (ret == AVERROR(EAGAIN)) {
3424 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3427 av_dup_packet(&pkt);
3428 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3429 if (flags && ret == AVERROR(EAGAIN)) {
3431 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3432 av_log(f->ctx, AV_LOG_WARNING,
3433 "Thread message queue blocking; consider raising the "
3434 "thread_queue_size option (current value: %d)\n",
3435 f->thread_queue_size);
3438 if (ret != AVERROR_EOF)
3439 av_log(f->ctx, AV_LOG_ERROR,
3440 "Unable to send packet to main thread: %s\n",
3442 av_free_packet(&pkt);
3443 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3451 static void free_input_threads(void)
3455 for (i = 0; i < nb_input_files; i++) {
3456 InputFile *f = input_files[i];
3459 if (!f->in_thread_queue)
3461 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3462 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3463 av_free_packet(&pkt);
3465 pthread_join(f->thread, NULL);
3467 av_thread_message_queue_free(&f->in_thread_queue);
3471 static int init_input_threads(void)
3475 if (nb_input_files == 1)
3478 for (i = 0; i < nb_input_files; i++) {
3479 InputFile *f = input_files[i];
3481 if (f->ctx->pb ? !f->ctx->pb->seekable :
3482 strcmp(f->ctx->iformat->name, "lavfi"))
3483 f->non_blocking = 1;
3484 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3485 f->thread_queue_size, sizeof(AVPacket));
3489 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3490 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3491 av_thread_message_queue_free(&f->in_thread_queue);
3492 return AVERROR(ret);
3498 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3500 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3502 AV_THREAD_MESSAGE_NONBLOCK : 0);
3506 static int get_input_packet(InputFile *f, AVPacket *pkt)
3510 for (i = 0; i < f->nb_streams; i++) {
3511 InputStream *ist = input_streams[f->ist_index + i];
3512 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3513 int64_t now = av_gettime_relative() - ist->start;
3515 return AVERROR(EAGAIN);
3520 if (nb_input_files > 1)
3521 return get_input_packet_mt(f, pkt);
3523 return av_read_frame(f->ctx, pkt);
3526 static int got_eagain(void)
3529 for (i = 0; i < nb_output_streams; i++)
3530 if (output_streams[i]->unavailable)
3535 static void reset_eagain(void)
3538 for (i = 0; i < nb_input_files; i++)
3539 input_files[i]->eagain = 0;
3540 for (i = 0; i < nb_output_streams; i++)
3541 output_streams[i]->unavailable = 0;
3546 * - 0 -- one packet was read and processed
3547 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3548 * this function should be called again
3549 * - AVERROR_EOF -- this function should not be called again
3551 static int process_input(int file_index)
3553 InputFile *ifile = input_files[file_index];
3554 AVFormatContext *is;
3560 ret = get_input_packet(ifile, &pkt);
3562 if (ret == AVERROR(EAGAIN)) {
3567 if (ret != AVERROR_EOF) {
3568 print_error(is->filename, ret);
3573 for (i = 0; i < ifile->nb_streams; i++) {
3574 ist = input_streams[ifile->ist_index + i];
3575 if (ist->decoding_needed) {
3576 ret = process_input_packet(ist, NULL);
3581 /* mark all outputs that don't go through lavfi as finished */
3582 for (j = 0; j < nb_output_streams; j++) {
3583 OutputStream *ost = output_streams[j];
3585 if (ost->source_index == ifile->ist_index + i &&
3586 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3587 finish_output_stream(ost);
3591 ifile->eof_reached = 1;
3592 return AVERROR(EAGAIN);
3598 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3599 is->streams[pkt.stream_index]);
3601 /* the following test is needed in case new streams appear
3602 dynamically in stream : we ignore them */
3603 if (pkt.stream_index >= ifile->nb_streams) {
3604 report_new_stream(file_index, &pkt);
3605 goto discard_packet;
3608 ist = input_streams[ifile->ist_index + pkt.stream_index];
3610 ist->data_size += pkt.size;
3614 goto discard_packet;
3617 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3618 "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",
3619 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3620 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3621 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3622 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3623 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3624 av_ts2str(input_files[ist->file_index]->ts_offset),
3625 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3628 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3629 int64_t stime, stime2;
3630 // Correcting starttime based on the enabled streams
3631 // 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.
3632 // so we instead do it here as part of discontinuity handling
3633 if ( ist->next_dts == AV_NOPTS_VALUE
3634 && ifile->ts_offset == -is->start_time
3635 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3636 int64_t new_start_time = INT64_MAX;
3637 for (i=0; i<is->nb_streams; i++) {
3638 AVStream *st = is->streams[i];
3639 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3641 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3643 if (new_start_time > is->start_time) {
3644 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3645 ifile->ts_offset = -new_start_time;
3649 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3650 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3651 ist->wrap_correction_done = 1;
3653 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3654 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3655 ist->wrap_correction_done = 0;
3657 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3658 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3659 ist->wrap_correction_done = 0;
3663 /* add the stream-global side data to the first packet */
3664 if (ist->nb_packets == 1) {
3665 if (ist->st->nb_side_data)
3666 av_packet_split_side_data(&pkt);
3667 for (i = 0; i < ist->st->nb_side_data; i++) {
3668 AVPacketSideData *src_sd = &ist->st->side_data[i];
3671 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3673 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3676 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3680 memcpy(dst_data, src_sd->data, src_sd->size);
3684 if (pkt.dts != AV_NOPTS_VALUE)
3685 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3686 if (pkt.pts != AV_NOPTS_VALUE)
3687 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3689 if (pkt.pts != AV_NOPTS_VALUE)
3690 pkt.pts *= ist->ts_scale;
3691 if (pkt.dts != AV_NOPTS_VALUE)
3692 pkt.dts *= ist->ts_scale;
3694 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3695 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3696 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3697 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3698 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3699 int64_t delta = pkt_dts - ifile->last_ts;
3700 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3701 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3702 ifile->ts_offset -= delta;
3703 av_log(NULL, AV_LOG_DEBUG,
3704 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3705 delta, ifile->ts_offset);
3706 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3707 if (pkt.pts != AV_NOPTS_VALUE)
3708 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3712 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3713 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3714 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3716 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3717 int64_t delta = pkt_dts - ist->next_dts;
3718 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3719 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3720 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3721 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3722 ifile->ts_offset -= delta;
3723 av_log(NULL, AV_LOG_DEBUG,
3724 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3725 delta, ifile->ts_offset);
3726 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3727 if (pkt.pts != AV_NOPTS_VALUE)
3728 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3731 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3732 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3733 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3734 pkt.dts = AV_NOPTS_VALUE;
3736 if (pkt.pts != AV_NOPTS_VALUE){
3737 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3738 delta = pkt_pts - ist->next_dts;
3739 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3740 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3741 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3742 pkt.pts = AV_NOPTS_VALUE;
3748 if (pkt.dts != AV_NOPTS_VALUE)
3749 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3752 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",
3753 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3754 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3755 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3756 av_ts2str(input_files[ist->file_index]->ts_offset),
3757 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3760 sub2video_heartbeat(ist, pkt.pts);
3762 ret = process_input_packet(ist, &pkt);
3764 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3765 ist->file_index, ist->st->index, av_err2str(ret));
3771 av_free_packet(&pkt);
3777 * Perform a step of transcoding for the specified filter graph.
3779 * @param[in] graph filter graph to consider
3780 * @param[out] best_ist input stream where a frame would allow to continue
3781 * @return 0 for success, <0 for error
3783 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3786 int nb_requests, nb_requests_max = 0;
3787 InputFilter *ifilter;
3791 ret = avfilter_graph_request_oldest(graph->graph);
3793 return reap_filters(0);
3795 if (ret == AVERROR_EOF) {
3796 ret = reap_filters(1);
3797 for (i = 0; i < graph->nb_outputs; i++)
3798 close_output_stream(graph->outputs[i]->ost);
3801 if (ret != AVERROR(EAGAIN))
3804 for (i = 0; i < graph->nb_inputs; i++) {
3805 ifilter = graph->inputs[i];
3807 if (input_files[ist->file_index]->eagain ||
3808 input_files[ist->file_index]->eof_reached)
3810 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3811 if (nb_requests > nb_requests_max) {
3812 nb_requests_max = nb_requests;
3818 for (i = 0; i < graph->nb_outputs; i++)
3819 graph->outputs[i]->ost->unavailable = 1;
3825 * Run a single step of transcoding.
3827 * @return 0 for success, <0 for error
3829 static int transcode_step(void)
3835 ost = choose_output();
3842 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3847 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3852 av_assert0(ost->source_index >= 0);
3853 ist = input_streams[ost->source_index];
3856 ret = process_input(ist->file_index);
3857 if (ret == AVERROR(EAGAIN)) {
3858 if (input_files[ist->file_index]->eagain)
3859 ost->unavailable = 1;
3864 return ret == AVERROR_EOF ? 0 : ret;
3866 return reap_filters(0);
3870 * The following code is the main loop of the file converter
3872 static int transcode(void)
3875 AVFormatContext *os;
3878 int64_t timer_start;
3880 ret = transcode_init();
3884 if (stdin_interaction) {
3885 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3888 timer_start = av_gettime_relative();
3891 if ((ret = init_input_threads()) < 0)
3895 while (!received_sigterm) {
3896 int64_t cur_time= av_gettime_relative();
3898 /* if 'q' pressed, exits */
3899 if (stdin_interaction)
3900 if (check_keyboard_interaction(cur_time) < 0)
3903 /* check if there's any stream where output is still needed */
3904 if (!need_output()) {
3905 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3909 ret = transcode_step();
3911 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
3915 av_strerror(ret, errbuf, sizeof(errbuf));
3917 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
3922 /* dump report by using the output first video and audio streams */
3923 print_report(0, timer_start, cur_time);
3926 free_input_threads();
3929 /* at the end of stream, we must flush the decoder buffers */
3930 for (i = 0; i < nb_input_streams; i++) {
3931 ist = input_streams[i];
3932 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3933 process_input_packet(ist, NULL);
3940 /* write the trailer if needed and close file */
3941 for (i = 0; i < nb_output_files; i++) {
3942 os = output_files[i]->ctx;
3943 av_write_trailer(os);
3946 /* dump report by using the first video and audio streams */
3947 print_report(1, timer_start, av_gettime_relative());
3949 /* close each encoder */
3950 for (i = 0; i < nb_output_streams; i++) {
3951 ost = output_streams[i];
3952 if (ost->encoding_needed) {
3953 av_freep(&ost->enc_ctx->stats_in);
3957 /* close each decoder */
3958 for (i = 0; i < nb_input_streams; i++) {
3959 ist = input_streams[i];
3960 if (ist->decoding_needed) {
3961 avcodec_close(ist->dec_ctx);
3962 if (ist->hwaccel_uninit)
3963 ist->hwaccel_uninit(ist->dec_ctx);
3972 free_input_threads();
3975 if (output_streams) {
3976 for (i = 0; i < nb_output_streams; i++) {
3977 ost = output_streams[i];
3980 fclose(ost->logfile);
3981 ost->logfile = NULL;
3983 av_freep(&ost->forced_kf_pts);
3984 av_freep(&ost->apad);
3985 av_freep(&ost->disposition);
3986 av_dict_free(&ost->encoder_opts);
3987 av_dict_free(&ost->swr_opts);
3988 av_dict_free(&ost->resample_opts);
3989 av_dict_free(&ost->bsf_args);
3997 static int64_t getutime(void)
4000 struct rusage rusage;
4002 getrusage(RUSAGE_SELF, &rusage);
4003 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4004 #elif HAVE_GETPROCESSTIMES
4006 FILETIME c, e, k, u;
4007 proc = GetCurrentProcess();
4008 GetProcessTimes(proc, &c, &e, &k, &u);
4009 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4011 return av_gettime_relative();
4015 static int64_t getmaxrss(void)
4017 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4018 struct rusage rusage;
4019 getrusage(RUSAGE_SELF, &rusage);
4020 return (int64_t)rusage.ru_maxrss * 1024;
4021 #elif HAVE_GETPROCESSMEMORYINFO
4023 PROCESS_MEMORY_COUNTERS memcounters;
4024 proc = GetCurrentProcess();
4025 memcounters.cb = sizeof(memcounters);
4026 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4027 return memcounters.PeakPagefileUsage;
4033 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4037 int main(int argc, char **argv)
4042 register_exit(ffmpeg_cleanup);
4044 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4046 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4047 parse_loglevel(argc, argv, options);
4049 if(argc>1 && !strcmp(argv[1], "-d")){
4051 av_log_set_callback(log_callback_null);
4056 avcodec_register_all();
4058 avdevice_register_all();
4060 avfilter_register_all();
4062 avformat_network_init();
4064 show_banner(argc, argv, options);
4068 /* parse options and open all input/output files */
4069 ret = ffmpeg_parse_options(argc, argv);
4073 if (nb_output_files <= 0 && nb_input_files == 0) {
4075 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4079 /* file converter / grab */
4080 if (nb_output_files <= 0) {
4081 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4085 // if (nb_input_files == 0) {
4086 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4090 current_time = ti = getutime();
4091 if (transcode() < 0)
4093 ti = getutime() - ti;
4095 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4097 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4098 decode_error_stat[0], decode_error_stat[1]);
4099 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4102 exit_program(received_nb_signals ? 255 : main_return_code);
4103 return main_return_code;