2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavformat/os_support.h"
65 # include "libavfilter/avcodec.h"
66 # include "libavfilter/avfilter.h"
67 # include "libavfilter/buffersrc.h"
68 # include "libavfilter/buffersink.h"
70 #if HAVE_SYS_RESOURCE_H
72 #include <sys/types.h>
73 #include <sys/resource.h>
74 #elif HAVE_GETPROCESSTIMES
77 #if HAVE_GETPROCESSMEMORYINFO
83 #include <sys/select.h>
88 #include <sys/ioctl.h>
102 #include "cmdutils.h"
104 #include "libavutil/avassert.h"
106 const char program_name[] = "ffmpeg";
107 const int program_birth_year = 2000;
109 static FILE *vstats_file;
111 const char *const forced_keyframes_const_names[] = {
120 static void do_video_stats(OutputStream *ost, int frame_size);
121 static int64_t getutime(void);
122 static int64_t getmaxrss(void);
124 static int run_as_daemon = 0;
125 static int nb_frames_dup = 0;
126 static int nb_frames_drop = 0;
127 static int64_t decode_error_stat[2];
129 static int current_time;
130 AVIOContext *progress_avio = NULL;
132 static uint8_t *subtitle_out;
134 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
136 InputStream **input_streams = NULL;
137 int nb_input_streams = 0;
138 InputFile **input_files = NULL;
139 int nb_input_files = 0;
141 OutputStream **output_streams = NULL;
142 int nb_output_streams = 0;
143 OutputFile **output_files = NULL;
144 int nb_output_files = 0;
146 FilterGraph **filtergraphs;
151 /* init terminal so that we can grab keys */
152 static struct termios oldtty;
153 static int restore_tty;
157 static void free_input_threads(void);
161 Convert subtitles to video with alpha to insert them in filter graphs.
162 This is a temporary solution until libavfilter gets real subtitles support.
165 static int sub2video_get_blank_frame(InputStream *ist)
168 AVFrame *frame = ist->sub2video.frame;
170 av_frame_unref(frame);
171 ist->sub2video.frame->width = ist->sub2video.w;
172 ist->sub2video.frame->height = ist->sub2video.h;
173 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
174 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
176 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
180 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
183 uint32_t *pal, *dst2;
187 if (r->type != SUBTITLE_BITMAP) {
188 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
191 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
192 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
196 dst += r->y * dst_linesize + r->x * 4;
197 src = r->pict.data[0];
198 pal = (uint32_t *)r->pict.data[1];
199 for (y = 0; y < r->h; y++) {
200 dst2 = (uint32_t *)dst;
202 for (x = 0; x < r->w; x++)
203 *(dst2++) = pal[*(src2++)];
205 src += r->pict.linesize[0];
209 static void sub2video_push_ref(InputStream *ist, int64_t pts)
211 AVFrame *frame = ist->sub2video.frame;
214 av_assert1(frame->data[0]);
215 ist->sub2video.last_pts = frame->pts = pts;
216 for (i = 0; i < ist->nb_filters; i++)
217 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
218 AV_BUFFERSRC_FLAG_KEEP_REF |
219 AV_BUFFERSRC_FLAG_PUSH);
222 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
224 int w = ist->sub2video.w, h = ist->sub2video.h;
225 AVFrame *frame = ist->sub2video.frame;
229 int64_t pts, end_pts;
234 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
235 AV_TIME_BASE_Q, ist->st->time_base);
236 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
237 AV_TIME_BASE_Q, ist->st->time_base);
238 num_rects = sub->num_rects;
240 pts = ist->sub2video.end_pts;
244 if (sub2video_get_blank_frame(ist) < 0) {
245 av_log(ist->dec_ctx, AV_LOG_ERROR,
246 "Impossible to get a blank canvas.\n");
249 dst = frame->data [0];
250 dst_linesize = frame->linesize[0];
251 for (i = 0; i < num_rects; i++)
252 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
253 sub2video_push_ref(ist, pts);
254 ist->sub2video.end_pts = end_pts;
257 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
259 InputFile *infile = input_files[ist->file_index];
263 /* When a frame is read from a file, examine all sub2video streams in
264 the same file and send the sub2video frame again. Otherwise, decoded
265 video frames could be accumulating in the filter graph while a filter
266 (possibly overlay) is desperately waiting for a subtitle frame. */
267 for (i = 0; i < infile->nb_streams; i++) {
268 InputStream *ist2 = input_streams[infile->ist_index + i];
269 if (!ist2->sub2video.frame)
271 /* subtitles seem to be usually muxed ahead of other streams;
272 if not, subtracting a larger time here is necessary */
273 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
274 /* do not send the heartbeat frame if the subtitle is already ahead */
275 if (pts2 <= ist2->sub2video.last_pts)
277 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
278 sub2video_update(ist2, NULL);
279 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
280 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
282 sub2video_push_ref(ist2, pts2);
286 static void sub2video_flush(InputStream *ist)
290 if (ist->sub2video.end_pts < INT64_MAX)
291 sub2video_update(ist, NULL);
292 for (i = 0; i < ist->nb_filters; i++)
293 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
296 /* end of sub2video hack */
298 static void term_exit_sigsafe(void)
302 tcsetattr (0, TCSANOW, &oldtty);
308 av_log(NULL, AV_LOG_QUIET, "%s", "");
312 static volatile int received_sigterm = 0;
313 static volatile int received_nb_signals = 0;
314 static volatile int transcode_init_done = 0;
315 static int main_return_code = 0;
318 sigterm_handler(int sig)
320 received_sigterm = sig;
321 received_nb_signals++;
323 if(received_nb_signals > 3)
334 istty = isatty(0) && isatty(2);
336 if (istty && tcgetattr (0, &tty) == 0) {
340 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
341 |INLCR|IGNCR|ICRNL|IXON);
342 tty.c_oflag |= OPOST;
343 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
344 tty.c_cflag &= ~(CSIZE|PARENB);
349 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 avformat_network_deinit();
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->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));
917 delta0 = sync_ipts - ost->sync_opts;
918 delta = delta0 + duration;
920 /* by default, we output a single frame */
924 format_video_sync = video_sync_method;
925 if (format_video_sync == VSYNC_AUTO) {
926 if(!strcmp(s->oformat->name, "avi")) {
927 format_video_sync = VSYNC_VFR;
929 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
931 && format_video_sync == VSYNC_CFR
932 && input_files[ist->file_index]->ctx->nb_streams == 1
933 && input_files[ist->file_index]->input_ts_offset == 0) {
934 format_video_sync = VSYNC_VSCFR;
936 if (format_video_sync == VSYNC_CFR && copy_ts) {
937 format_video_sync = VSYNC_VSCFR;
943 format_video_sync != VSYNC_PASSTHROUGH &&
944 format_video_sync != VSYNC_DROP) {
945 double cor = FFMIN(-delta0, duration);
947 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
949 av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
955 switch (format_video_sync) {
957 if (ost->frame_number == 0 && delta - duration >= 0.5) {
958 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
961 ost->sync_opts = lrint(sync_ipts);
964 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
965 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
967 } else if (delta < -1.1)
969 else if (delta > 1.1) {
970 nb_frames = lrintf(delta);
972 nb0_frames = lrintf(delta0 - 0.6);
978 else if (delta > 0.6)
979 ost->sync_opts = lrint(sync_ipts);
982 case VSYNC_PASSTHROUGH:
983 ost->sync_opts = lrint(sync_ipts);
989 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
990 nb0_frames = FFMIN(nb0_frames, nb_frames);
991 if (nb0_frames == 0 && ost->last_droped) {
993 av_log(NULL, AV_LOG_VERBOSE,
994 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
995 ost->frame_number, ost->st->index, ost->last_frame->pts);
997 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
998 if (nb_frames > dts_error_threshold * 30) {
999 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1003 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
1004 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1006 ost->last_droped = nb_frames == nb0_frames;
1008 /* duplicates frame if needed */
1009 for (i = 0; i < nb_frames; i++) {
1010 AVFrame *in_picture;
1011 av_init_packet(&pkt);
1015 if (i < nb0_frames && ost->last_frame) {
1016 in_picture = ost->last_frame;
1018 in_picture = next_picture;
1020 in_picture->pts = ost->sync_opts;
1023 if (!check_recording_time(ost))
1025 if (ost->frame_number >= ost->max_frames)
1029 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1030 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1031 /* raw pictures are written as AVPicture structure to
1032 avoid any copies. We support temporarily the older
1034 if (in_picture->interlaced_frame)
1035 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1037 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1038 pkt.data = (uint8_t *)in_picture;
1039 pkt.size = sizeof(AVPicture);
1040 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1041 pkt.flags |= AV_PKT_FLAG_KEY;
1043 write_frame(s, &pkt, ost);
1045 int got_packet, forced_keyframe = 0;
1048 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1049 ost->top_field_first >= 0)
1050 in_picture->top_field_first = !!ost->top_field_first;
1052 if (in_picture->interlaced_frame) {
1053 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1054 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1056 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1058 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1060 in_picture->quality = enc->global_quality;
1061 in_picture->pict_type = 0;
1063 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1064 in_picture->pts * av_q2d(enc->time_base) : NAN;
1065 if (ost->forced_kf_index < ost->forced_kf_count &&
1066 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1067 ost->forced_kf_index++;
1068 forced_keyframe = 1;
1069 } else if (ost->forced_keyframes_pexpr) {
1071 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1072 res = av_expr_eval(ost->forced_keyframes_pexpr,
1073 ost->forced_keyframes_expr_const_values, NULL);
1074 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1075 ost->forced_keyframes_expr_const_values[FKF_N],
1076 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1077 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1078 ost->forced_keyframes_expr_const_values[FKF_T],
1079 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1082 forced_keyframe = 1;
1083 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1084 ost->forced_keyframes_expr_const_values[FKF_N];
1085 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1086 ost->forced_keyframes_expr_const_values[FKF_T];
1087 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1090 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1093 if (forced_keyframe) {
1094 in_picture->pict_type = AV_PICTURE_TYPE_I;
1095 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1098 update_benchmark(NULL);
1100 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1101 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1102 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1103 enc->time_base.num, enc->time_base.den);
1106 ost->frames_encoded++;
1108 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1109 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1111 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1117 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1118 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1119 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1120 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1123 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1124 pkt.pts = ost->sync_opts;
1126 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1129 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1130 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1131 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1132 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1135 frame_size = pkt.size;
1136 write_frame(s, &pkt, ost);
1138 /* if two pass, output log */
1139 if (ost->logfile && enc->stats_out) {
1140 fprintf(ost->logfile, "%s", enc->stats_out);
1146 * For video, number of frames in == number of packets out.
1147 * But there may be reordering, so we can't throw away frames on encoder
1148 * flush, we need to limit them here, before they go into encoder.
1150 ost->frame_number++;
1152 if (vstats_filename && frame_size)
1153 do_video_stats(ost, frame_size);
1156 if (!ost->last_frame)
1157 ost->last_frame = av_frame_alloc();
1158 av_frame_unref(ost->last_frame);
1159 av_frame_ref(ost->last_frame, next_picture);
1162 static double psnr(double d)
1164 return -10.0 * log(d) / log(10.0);
1167 static void do_video_stats(OutputStream *ost, int frame_size)
1169 AVCodecContext *enc;
1171 double ti1, bitrate, avg_bitrate;
1173 /* this is executed just the first time do_video_stats is called */
1175 vstats_file = fopen(vstats_filename, "w");
1183 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1184 frame_number = ost->st->nb_frames;
1185 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1186 if (enc->flags&CODEC_FLAG_PSNR)
1187 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1189 fprintf(vstats_file,"f_size= %6d ", frame_size);
1190 /* compute pts value */
1191 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1195 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1196 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1197 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1198 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1199 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1203 static void finish_output_stream(OutputStream *ost)
1205 OutputFile *of = output_files[ost->file_index];
1208 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1211 for (i = 0; i < of->ctx->nb_streams; i++)
1212 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1217 * Get and encode new output from any of the filtergraphs, without causing
1220 * @return 0 for success, <0 for severe errors
1222 static int reap_filters(void)
1224 AVFrame *filtered_frame = NULL;
1227 /* Reap all buffers present in the buffer sinks */
1228 for (i = 0; i < nb_output_streams; i++) {
1229 OutputStream *ost = output_streams[i];
1230 OutputFile *of = output_files[ost->file_index];
1231 AVFilterContext *filter;
1232 AVCodecContext *enc = ost->enc_ctx;
1237 filter = ost->filter->filter;
1239 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1240 return AVERROR(ENOMEM);
1242 filtered_frame = ost->filtered_frame;
1245 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1246 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1247 AV_BUFFERSINK_FLAG_NO_REQUEST);
1249 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1250 av_log(NULL, AV_LOG_WARNING,
1251 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1255 if (ost->finished) {
1256 av_frame_unref(filtered_frame);
1259 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1260 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1261 AVRational tb = enc->time_base;
1262 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1264 tb.den <<= extra_bits;
1266 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1267 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1268 float_pts /= 1 << extra_bits;
1269 // 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
1270 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1272 filtered_frame->pts =
1273 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1274 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1276 //if (ost->source_index >= 0)
1277 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1279 switch (filter->inputs[0]->type) {
1280 case AVMEDIA_TYPE_VIDEO:
1281 if (!ost->frame_aspect_ratio.num)
1282 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1285 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1286 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1288 enc->time_base.num, enc->time_base.den);
1291 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1293 case AVMEDIA_TYPE_AUDIO:
1294 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1295 enc->channels != av_frame_get_channels(filtered_frame)) {
1296 av_log(NULL, AV_LOG_ERROR,
1297 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1300 do_audio_out(of->ctx, ost, filtered_frame);
1303 // TODO support subtitle filters
1307 av_frame_unref(filtered_frame);
1314 static void print_final_stats(int64_t total_size)
1316 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1317 uint64_t subtitle_size = 0;
1318 uint64_t data_size = 0;
1319 float percent = -1.0;
1322 for (i = 0; i < nb_output_streams; i++) {
1323 OutputStream *ost = output_streams[i];
1324 switch (ost->enc_ctx->codec_type) {
1325 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1326 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1327 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1328 default: other_size += ost->data_size; break;
1330 extra_size += ost->enc_ctx->extradata_size;
1331 data_size += ost->data_size;
1334 if (data_size && total_size>0 && total_size >= data_size)
1335 percent = 100.0 * (total_size - data_size) / data_size;
1337 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: ",
1338 video_size / 1024.0,
1339 audio_size / 1024.0,
1340 subtitle_size / 1024.0,
1341 other_size / 1024.0,
1342 extra_size / 1024.0);
1344 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1346 av_log(NULL, AV_LOG_INFO, "unknown");
1347 av_log(NULL, AV_LOG_INFO, "\n");
1349 /* print verbose per-stream stats */
1350 for (i = 0; i < nb_input_files; i++) {
1351 InputFile *f = input_files[i];
1352 uint64_t total_packets = 0, total_size = 0;
1354 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1355 i, f->ctx->filename);
1357 for (j = 0; j < f->nb_streams; j++) {
1358 InputStream *ist = input_streams[f->ist_index + j];
1359 enum AVMediaType type = ist->dec_ctx->codec_type;
1361 total_size += ist->data_size;
1362 total_packets += ist->nb_packets;
1364 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1365 i, j, media_type_string(type));
1366 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1367 ist->nb_packets, ist->data_size);
1369 if (ist->decoding_needed) {
1370 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1371 ist->frames_decoded);
1372 if (type == AVMEDIA_TYPE_AUDIO)
1373 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1374 av_log(NULL, AV_LOG_VERBOSE, "; ");
1377 av_log(NULL, AV_LOG_VERBOSE, "\n");
1380 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1381 total_packets, total_size);
1384 for (i = 0; i < nb_output_files; i++) {
1385 OutputFile *of = output_files[i];
1386 uint64_t total_packets = 0, total_size = 0;
1388 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1389 i, of->ctx->filename);
1391 for (j = 0; j < of->ctx->nb_streams; j++) {
1392 OutputStream *ost = output_streams[of->ost_index + j];
1393 enum AVMediaType type = ost->enc_ctx->codec_type;
1395 total_size += ost->data_size;
1396 total_packets += ost->packets_written;
1398 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1399 i, j, media_type_string(type));
1400 if (ost->encoding_needed) {
1401 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1402 ost->frames_encoded);
1403 if (type == AVMEDIA_TYPE_AUDIO)
1404 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1405 av_log(NULL, AV_LOG_VERBOSE, "; ");
1408 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1409 ost->packets_written, ost->data_size);
1411 av_log(NULL, AV_LOG_VERBOSE, "\n");
1414 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1415 total_packets, total_size);
1417 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1418 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1422 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1425 AVBPrint buf_script;
1427 AVFormatContext *oc;
1429 AVCodecContext *enc;
1430 int frame_number, vid, i;
1432 int64_t pts = INT64_MIN;
1433 static int64_t last_time = -1;
1434 static int qp_histogram[52];
1435 int hours, mins, secs, us;
1437 if (!print_stats && !is_last_report && !progress_avio)
1440 if (!is_last_report) {
1441 if (last_time == -1) {
1442 last_time = cur_time;
1445 if ((cur_time - last_time) < 500000)
1447 last_time = cur_time;
1451 oc = output_files[0]->ctx;
1453 total_size = avio_size(oc->pb);
1454 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1455 total_size = avio_tell(oc->pb);
1459 av_bprint_init(&buf_script, 0, 1);
1460 for (i = 0; i < nb_output_streams; i++) {
1462 ost = output_streams[i];
1464 if (!ost->stream_copy && enc->coded_frame)
1465 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1466 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1467 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1468 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1469 ost->file_index, ost->index, q);
1471 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1472 float fps, t = (cur_time-timer_start) / 1000000.0;
1474 frame_number = ost->frame_number;
1475 fps = t > 1 ? frame_number / t : 0;
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1477 frame_number, fps < 9.95, fps, q);
1478 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1479 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1480 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1481 ost->file_index, ost->index, q);
1483 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1487 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1489 for (j = 0; j < 32; j++)
1490 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1492 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1494 double error, error_sum = 0;
1495 double scale, scale_sum = 0;
1497 char type[3] = { 'Y','U','V' };
1498 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1499 for (j = 0; j < 3; j++) {
1500 if (is_last_report) {
1501 error = enc->error[j];
1502 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1504 error = enc->coded_frame->error[j];
1505 scale = enc->width * enc->height * 255.0 * 255.0;
1511 p = psnr(error / scale);
1512 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1513 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1514 ost->file_index, ost->index, type[j] | 32, p);
1516 p = psnr(error_sum / scale_sum);
1517 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1518 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1519 ost->file_index, ost->index, p);
1523 /* compute min output value */
1524 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1525 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1526 ost->st->time_base, AV_TIME_BASE_Q));
1528 nb_frames_drop += ost->last_droped;
1531 secs = FFABS(pts) / AV_TIME_BASE;
1532 us = FFABS(pts) % AV_TIME_BASE;
1538 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1540 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1542 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1543 "size=%8.0fkB time=", total_size / 1024.0);
1545 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1546 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1547 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1548 (100 * us) / AV_TIME_BASE);
1551 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1552 av_bprintf(&buf_script, "bitrate=N/A\n");
1554 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1555 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1558 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1559 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1560 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1561 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1562 hours, mins, secs, us);
1564 if (nb_frames_dup || nb_frames_drop)
1565 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1566 nb_frames_dup, nb_frames_drop);
1567 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1568 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1570 if (print_stats || is_last_report) {
1571 const char end = is_last_report ? '\n' : '\r';
1572 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1573 fprintf(stderr, "%s %c", buf, end);
1575 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1580 if (progress_avio) {
1581 av_bprintf(&buf_script, "progress=%s\n",
1582 is_last_report ? "end" : "continue");
1583 avio_write(progress_avio, buf_script.str,
1584 FFMIN(buf_script.len, buf_script.size - 1));
1585 avio_flush(progress_avio);
1586 av_bprint_finalize(&buf_script, NULL);
1587 if (is_last_report) {
1588 avio_closep(&progress_avio);
1593 print_final_stats(total_size);
1596 static void flush_encoders(void)
1600 for (i = 0; i < nb_output_streams; i++) {
1601 OutputStream *ost = output_streams[i];
1602 AVCodecContext *enc = ost->enc_ctx;
1603 AVFormatContext *os = output_files[ost->file_index]->ctx;
1604 int stop_encoding = 0;
1606 if (!ost->encoding_needed)
1609 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1611 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1615 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1618 switch (enc->codec_type) {
1619 case AVMEDIA_TYPE_AUDIO:
1620 encode = avcodec_encode_audio2;
1623 case AVMEDIA_TYPE_VIDEO:
1624 encode = avcodec_encode_video2;
1635 av_init_packet(&pkt);
1639 update_benchmark(NULL);
1640 ret = encode(enc, &pkt, NULL, &got_packet);
1641 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1643 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1646 if (ost->logfile && enc->stats_out) {
1647 fprintf(ost->logfile, "%s", enc->stats_out);
1653 if (ost->finished & MUXER_FINISHED) {
1654 av_free_packet(&pkt);
1657 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1658 pkt_size = pkt.size;
1659 write_frame(os, &pkt, ost);
1660 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1661 do_video_stats(ost, pkt_size);
1672 * Check whether a packet from ist should be written into ost at this time
1674 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1676 OutputFile *of = output_files[ost->file_index];
1677 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1679 if (ost->source_index != ist_index)
1685 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1691 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1693 OutputFile *of = output_files[ost->file_index];
1694 InputFile *f = input_files [ist->file_index];
1695 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1696 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1697 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1701 av_init_packet(&opkt);
1703 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1704 !ost->copy_initial_nonkeyframes)
1707 if (pkt->pts == AV_NOPTS_VALUE) {
1708 if (!ost->frame_number && ist->pts < start_time &&
1709 !ost->copy_prior_start)
1712 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1713 !ost->copy_prior_start)
1717 if (of->recording_time != INT64_MAX &&
1718 ist->pts >= of->recording_time + start_time) {
1719 close_output_stream(ost);
1723 if (f->recording_time != INT64_MAX) {
1724 start_time = f->ctx->start_time;
1725 if (f->start_time != AV_NOPTS_VALUE)
1726 start_time += f->start_time;
1727 if (ist->pts >= f->recording_time + start_time) {
1728 close_output_stream(ost);
1733 /* force the input stream PTS */
1734 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1737 if (pkt->pts != AV_NOPTS_VALUE)
1738 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1740 opkt.pts = AV_NOPTS_VALUE;
1742 if (pkt->dts == AV_NOPTS_VALUE)
1743 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1745 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1746 opkt.dts -= ost_tb_start_time;
1748 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1749 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1751 duration = ist->dec_ctx->frame_size;
1752 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1753 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1754 ost->st->time_base) - ost_tb_start_time;
1757 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1758 opkt.flags = pkt->flags;
1760 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1761 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1762 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1763 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1764 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1766 if (av_parser_change(ost->parser, ost->st->codec,
1767 &opkt.data, &opkt.size,
1768 pkt->data, pkt->size,
1769 pkt->flags & AV_PKT_FLAG_KEY)) {
1770 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1775 opkt.data = pkt->data;
1776 opkt.size = pkt->size;
1778 av_copy_packet_side_data(&opkt, pkt);
1780 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1781 /* store AVPicture in AVPacket, as expected by the output format */
1782 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1783 opkt.data = (uint8_t *)&pict;
1784 opkt.size = sizeof(AVPicture);
1785 opkt.flags |= AV_PKT_FLAG_KEY;
1788 write_frame(of->ctx, &opkt, ost);
1791 int guess_input_channel_layout(InputStream *ist)
1793 AVCodecContext *dec = ist->dec_ctx;
1795 if (!dec->channel_layout) {
1796 char layout_name[256];
1798 if (dec->channels > ist->guess_layout_max)
1800 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1801 if (!dec->channel_layout)
1803 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1804 dec->channels, dec->channel_layout);
1805 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1806 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1811 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1813 AVFrame *decoded_frame, *f;
1814 AVCodecContext *avctx = ist->dec_ctx;
1815 int i, ret, err = 0, resample_changed;
1816 AVRational decoded_frame_tb;
1818 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1819 return AVERROR(ENOMEM);
1820 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1821 return AVERROR(ENOMEM);
1822 decoded_frame = ist->decoded_frame;
1824 update_benchmark(NULL);
1825 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1826 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1828 if (ret >= 0 && avctx->sample_rate <= 0) {
1829 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1830 ret = AVERROR_INVALIDDATA;
1833 if (*got_output || ret<0 || pkt->size)
1834 decode_error_stat[ret<0] ++;
1836 if (!*got_output || ret < 0) {
1838 for (i = 0; i < ist->nb_filters; i++)
1840 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1842 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1848 ist->samples_decoded += decoded_frame->nb_samples;
1849 ist->frames_decoded++;
1852 /* increment next_dts to use for the case where the input stream does not
1853 have timestamps or there are multiple frames in the packet */
1854 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1856 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1860 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1861 ist->resample_channels != avctx->channels ||
1862 ist->resample_channel_layout != decoded_frame->channel_layout ||
1863 ist->resample_sample_rate != decoded_frame->sample_rate;
1864 if (resample_changed) {
1865 char layout1[64], layout2[64];
1867 if (!guess_input_channel_layout(ist)) {
1868 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1869 "layout for Input Stream #%d.%d\n", ist->file_index,
1873 decoded_frame->channel_layout = avctx->channel_layout;
1875 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1876 ist->resample_channel_layout);
1877 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1878 decoded_frame->channel_layout);
1880 av_log(NULL, AV_LOG_INFO,
1881 "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",
1882 ist->file_index, ist->st->index,
1883 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1884 ist->resample_channels, layout1,
1885 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1886 avctx->channels, layout2);
1888 ist->resample_sample_fmt = decoded_frame->format;
1889 ist->resample_sample_rate = decoded_frame->sample_rate;
1890 ist->resample_channel_layout = decoded_frame->channel_layout;
1891 ist->resample_channels = avctx->channels;
1893 for (i = 0; i < nb_filtergraphs; i++)
1894 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1895 FilterGraph *fg = filtergraphs[i];
1896 if (configure_filtergraph(fg) < 0) {
1897 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1903 /* if the decoder provides a pts, use it instead of the last packet pts.
1904 the decoder could be delaying output by a packet or more. */
1905 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1906 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1907 decoded_frame_tb = avctx->time_base;
1908 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1909 decoded_frame->pts = decoded_frame->pkt_pts;
1910 decoded_frame_tb = ist->st->time_base;
1911 } else if (pkt->pts != AV_NOPTS_VALUE) {
1912 decoded_frame->pts = pkt->pts;
1913 decoded_frame_tb = ist->st->time_base;
1915 decoded_frame->pts = ist->dts;
1916 decoded_frame_tb = AV_TIME_BASE_Q;
1918 pkt->pts = AV_NOPTS_VALUE;
1919 if (decoded_frame->pts != AV_NOPTS_VALUE)
1920 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1921 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1922 (AVRational){1, avctx->sample_rate});
1923 for (i = 0; i < ist->nb_filters; i++) {
1924 if (i < ist->nb_filters - 1) {
1925 f = ist->filter_frame;
1926 err = av_frame_ref(f, decoded_frame);
1931 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1932 AV_BUFFERSRC_FLAG_PUSH);
1933 if (err == AVERROR_EOF)
1934 err = 0; /* ignore */
1938 decoded_frame->pts = AV_NOPTS_VALUE;
1940 av_frame_unref(ist->filter_frame);
1941 av_frame_unref(decoded_frame);
1942 return err < 0 ? err : ret;
1945 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1947 AVFrame *decoded_frame, *f;
1948 int i, ret = 0, err = 0, resample_changed;
1949 int64_t best_effort_timestamp;
1950 AVRational *frame_sample_aspect;
1952 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1953 return AVERROR(ENOMEM);
1954 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1955 return AVERROR(ENOMEM);
1956 decoded_frame = ist->decoded_frame;
1957 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1959 update_benchmark(NULL);
1960 ret = avcodec_decode_video2(ist->dec_ctx,
1961 decoded_frame, got_output, pkt);
1962 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1964 // The following line may be required in some cases where there is no parser
1965 // or the parser does not has_b_frames correctly
1966 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1967 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1968 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1970 av_log_ask_for_sample(
1972 "has_b_frames is larger in decoder than demuxer %d > %d ",
1973 ist->dec_ctx->has_b_frames,
1974 ist->st->codec->has_b_frames
1978 if (*got_output || ret<0 || pkt->size)
1979 decode_error_stat[ret<0] ++;
1981 if (*got_output && ret >= 0) {
1982 if (ist->dec_ctx->width != decoded_frame->width ||
1983 ist->dec_ctx->height != decoded_frame->height ||
1984 ist->dec_ctx->pix_fmt != decoded_frame->format) {
1985 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
1986 decoded_frame->width,
1987 decoded_frame->height,
1988 decoded_frame->format,
1989 ist->dec_ctx->width,
1990 ist->dec_ctx->height,
1991 ist->dec_ctx->pix_fmt);
1995 if (!*got_output || ret < 0) {
1997 for (i = 0; i < ist->nb_filters; i++)
1999 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
2001 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2007 if(ist->top_field_first>=0)
2008 decoded_frame->top_field_first = ist->top_field_first;
2010 ist->frames_decoded++;
2012 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2013 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2017 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2019 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2020 if(best_effort_timestamp != AV_NOPTS_VALUE)
2021 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2024 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2025 "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",
2026 ist->st->index, av_ts2str(decoded_frame->pts),
2027 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2028 best_effort_timestamp,
2029 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2030 decoded_frame->key_frame, decoded_frame->pict_type,
2031 ist->st->time_base.num, ist->st->time_base.den);
2036 if (ist->st->sample_aspect_ratio.num)
2037 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2039 resample_changed = ist->resample_width != decoded_frame->width ||
2040 ist->resample_height != decoded_frame->height ||
2041 ist->resample_pix_fmt != decoded_frame->format;
2042 if (resample_changed) {
2043 av_log(NULL, AV_LOG_INFO,
2044 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2045 ist->file_index, ist->st->index,
2046 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2047 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2049 ist->resample_width = decoded_frame->width;
2050 ist->resample_height = decoded_frame->height;
2051 ist->resample_pix_fmt = decoded_frame->format;
2053 for (i = 0; i < nb_filtergraphs; i++) {
2054 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2055 configure_filtergraph(filtergraphs[i]) < 0) {
2056 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2062 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2063 for (i = 0; i < ist->nb_filters; i++) {
2064 if (!frame_sample_aspect->num)
2065 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2067 if (i < ist->nb_filters - 1) {
2068 f = ist->filter_frame;
2069 err = av_frame_ref(f, decoded_frame);
2074 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2075 if (ret == AVERROR_EOF) {
2076 ret = 0; /* ignore */
2077 } else if (ret < 0) {
2078 av_log(NULL, AV_LOG_FATAL,
2079 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2085 av_frame_unref(ist->filter_frame);
2086 av_frame_unref(decoded_frame);
2087 return err < 0 ? err : ret;
2090 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2092 AVSubtitle subtitle;
2093 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2094 &subtitle, got_output, pkt);
2096 if (*got_output || ret<0 || pkt->size)
2097 decode_error_stat[ret<0] ++;
2099 if (ret < 0 || !*got_output) {
2101 sub2video_flush(ist);
2105 if (ist->fix_sub_duration) {
2107 if (ist->prev_sub.got_output) {
2108 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2109 1000, AV_TIME_BASE);
2110 if (end < ist->prev_sub.subtitle.end_display_time) {
2111 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2112 "Subtitle duration reduced from %d to %d%s\n",
2113 ist->prev_sub.subtitle.end_display_time, end,
2114 end <= 0 ? ", dropping it" : "");
2115 ist->prev_sub.subtitle.end_display_time = end;
2118 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2119 FFSWAP(int, ret, ist->prev_sub.ret);
2120 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2128 sub2video_update(ist, &subtitle);
2130 if (!subtitle.num_rects)
2133 ist->frames_decoded++;
2135 for (i = 0; i < nb_output_streams; i++) {
2136 OutputStream *ost = output_streams[i];
2138 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2139 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2142 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2146 avsubtitle_free(&subtitle);
2150 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2151 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2157 if (!ist->saw_first_ts) {
2158 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;
2160 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2161 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2162 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2164 ist->saw_first_ts = 1;
2167 if (ist->next_dts == AV_NOPTS_VALUE)
2168 ist->next_dts = ist->dts;
2169 if (ist->next_pts == AV_NOPTS_VALUE)
2170 ist->next_pts = ist->pts;
2174 av_init_packet(&avpkt);
2182 if (pkt->dts != AV_NOPTS_VALUE) {
2183 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2184 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2185 ist->next_pts = ist->pts = ist->dts;
2188 // while we have more to decode or while the decoder did output something on EOF
2189 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2193 ist->pts = ist->next_pts;
2194 ist->dts = ist->next_dts;
2196 if (avpkt.size && avpkt.size != pkt->size &&
2197 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2198 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2199 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2200 ist->showed_multi_packet_warning = 1;
2203 switch (ist->dec_ctx->codec_type) {
2204 case AVMEDIA_TYPE_AUDIO:
2205 ret = decode_audio (ist, &avpkt, &got_output);
2207 case AVMEDIA_TYPE_VIDEO:
2208 ret = decode_video (ist, &avpkt, &got_output);
2209 if (avpkt.duration) {
2210 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2211 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2212 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2213 duration = ((int64_t)AV_TIME_BASE *
2214 ist->dec_ctx->framerate.den * ticks) /
2215 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2219 if(ist->dts != AV_NOPTS_VALUE && duration) {
2220 ist->next_dts += duration;
2222 ist->next_dts = AV_NOPTS_VALUE;
2225 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2227 case AVMEDIA_TYPE_SUBTITLE:
2228 ret = transcode_subtitles(ist, &avpkt, &got_output);
2238 avpkt.pts= AV_NOPTS_VALUE;
2240 // touch data and size only if not EOF
2242 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2250 if (got_output && !pkt)
2254 /* handle stream copy */
2255 if (!ist->decoding_needed) {
2256 ist->dts = ist->next_dts;
2257 switch (ist->dec_ctx->codec_type) {
2258 case AVMEDIA_TYPE_AUDIO:
2259 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2260 ist->dec_ctx->sample_rate;
2262 case AVMEDIA_TYPE_VIDEO:
2263 if (ist->framerate.num) {
2264 // TODO: Remove work-around for c99-to-c89 issue 7
2265 AVRational time_base_q = AV_TIME_BASE_Q;
2266 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2267 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2268 } else if (pkt->duration) {
2269 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2270 } else if(ist->dec_ctx->framerate.num != 0) {
2271 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2272 ist->next_dts += ((int64_t)AV_TIME_BASE *
2273 ist->dec_ctx->framerate.den * ticks) /
2274 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2278 ist->pts = ist->dts;
2279 ist->next_pts = ist->next_dts;
2281 for (i = 0; pkt && i < nb_output_streams; i++) {
2282 OutputStream *ost = output_streams[i];
2284 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2287 do_streamcopy(ist, ost, pkt);
2293 static void print_sdp(void)
2298 AVIOContext *sdp_pb;
2299 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2303 for (i = 0, j = 0; i < nb_output_files; i++) {
2304 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2305 avc[j] = output_files[i]->ctx;
2310 av_sdp_create(avc, j, sdp, sizeof(sdp));
2312 if (!sdp_filename) {
2313 printf("SDP:\n%s\n", sdp);
2316 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2317 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2319 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2320 avio_closep(&sdp_pb);
2321 av_freep(&sdp_filename);
2328 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2331 for (i = 0; hwaccels[i].name; i++)
2332 if (hwaccels[i].pix_fmt == pix_fmt)
2333 return &hwaccels[i];
2337 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2339 InputStream *ist = s->opaque;
2340 const enum AVPixelFormat *p;
2343 for (p = pix_fmts; *p != -1; p++) {
2344 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2345 const HWAccel *hwaccel;
2347 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2350 hwaccel = get_hwaccel(*p);
2352 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2353 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2356 ret = hwaccel->init(s);
2358 if (ist->hwaccel_id == hwaccel->id) {
2359 av_log(NULL, AV_LOG_FATAL,
2360 "%s hwaccel requested for input stream #%d:%d, "
2361 "but cannot be initialized.\n", hwaccel->name,
2362 ist->file_index, ist->st->index);
2367 ist->active_hwaccel_id = hwaccel->id;
2368 ist->hwaccel_pix_fmt = *p;
2375 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2377 InputStream *ist = s->opaque;
2379 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2380 return ist->hwaccel_get_buffer(s, frame, flags);
2382 return avcodec_default_get_buffer2(s, frame, flags);
2385 static int init_input_stream(int ist_index, char *error, int error_len)
2388 InputStream *ist = input_streams[ist_index];
2390 if (ist->decoding_needed) {
2391 AVCodec *codec = ist->dec;
2393 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2394 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2395 return AVERROR(EINVAL);
2398 ist->dec_ctx->opaque = ist;
2399 ist->dec_ctx->get_format = get_format;
2400 ist->dec_ctx->get_buffer2 = get_buffer;
2401 ist->dec_ctx->thread_safe_callbacks = 1;
2403 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2404 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2405 (ist->decoding_needed & DECODING_FOR_OST)) {
2406 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2407 if (ist->decoding_needed & DECODING_FOR_FILTER)
2408 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");
2411 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2412 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2413 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2414 if (ret == AVERROR_EXPERIMENTAL)
2415 abort_codec_experimental(codec, 0);
2417 snprintf(error, error_len,
2418 "Error while opening decoder for input stream "
2420 ist->file_index, ist->st->index, av_err2str(ret));
2423 assert_avoptions(ist->decoder_opts);
2426 ist->next_pts = AV_NOPTS_VALUE;
2427 ist->next_dts = AV_NOPTS_VALUE;
2432 static InputStream *get_input_stream(OutputStream *ost)
2434 if (ost->source_index >= 0)
2435 return input_streams[ost->source_index];
2439 static int compare_int64(const void *a, const void *b)
2441 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2442 return va < vb ? -1 : va > vb ? +1 : 0;
2445 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2446 AVCodecContext *avctx)
2449 int n = 1, i, size, index = 0;
2452 for (p = kf; *p; p++)
2456 pts = av_malloc_array(size, sizeof(*pts));
2458 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2463 for (i = 0; i < n; i++) {
2464 char *next = strchr(p, ',');
2469 if (!memcmp(p, "chapters", 8)) {
2471 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2474 if (avf->nb_chapters > INT_MAX - size ||
2475 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2477 av_log(NULL, AV_LOG_FATAL,
2478 "Could not allocate forced key frames array.\n");
2481 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2482 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2484 for (j = 0; j < avf->nb_chapters; j++) {
2485 AVChapter *c = avf->chapters[j];
2486 av_assert1(index < size);
2487 pts[index++] = av_rescale_q(c->start, c->time_base,
2488 avctx->time_base) + t;
2493 t = parse_time_or_die("force_key_frames", p, 1);
2494 av_assert1(index < size);
2495 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2502 av_assert0(index == size);
2503 qsort(pts, size, sizeof(*pts), compare_int64);
2504 ost->forced_kf_count = size;
2505 ost->forced_kf_pts = pts;
2508 static void report_new_stream(int input_index, AVPacket *pkt)
2510 InputFile *file = input_files[input_index];
2511 AVStream *st = file->ctx->streams[pkt->stream_index];
2513 if (pkt->stream_index < file->nb_streams_warn)
2515 av_log(file->ctx, AV_LOG_WARNING,
2516 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2517 av_get_media_type_string(st->codec->codec_type),
2518 input_index, pkt->stream_index,
2519 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2520 file->nb_streams_warn = pkt->stream_index + 1;
2523 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2525 AVDictionaryEntry *e;
2527 uint8_t *encoder_string;
2528 int encoder_string_len;
2529 int format_flags = 0;
2530 int codec_flags = 0;
2532 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2535 e = av_dict_get(of->opts, "fflags", NULL, 0);
2537 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2540 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2542 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2544 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2547 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2550 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2551 encoder_string = av_mallocz(encoder_string_len);
2552 if (!encoder_string)
2555 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2556 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2558 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2559 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2560 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2561 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2564 static int transcode_init(void)
2566 int ret = 0, i, j, k;
2567 AVFormatContext *oc;
2570 char error[1024] = {0};
2573 for (i = 0; i < nb_filtergraphs; i++) {
2574 FilterGraph *fg = filtergraphs[i];
2575 for (j = 0; j < fg->nb_outputs; j++) {
2576 OutputFilter *ofilter = fg->outputs[j];
2577 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2579 if (fg->nb_inputs != 1)
2581 for (k = nb_input_streams-1; k >= 0 ; k--)
2582 if (fg->inputs[0]->ist == input_streams[k])
2584 ofilter->ost->source_index = k;
2588 /* init framerate emulation */
2589 for (i = 0; i < nb_input_files; i++) {
2590 InputFile *ifile = input_files[i];
2591 if (ifile->rate_emu)
2592 for (j = 0; j < ifile->nb_streams; j++)
2593 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2596 /* output stream init */
2597 for (i = 0; i < nb_output_files; i++) {
2598 oc = output_files[i]->ctx;
2599 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2600 av_dump_format(oc, i, oc->filename, 1);
2601 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2602 return AVERROR(EINVAL);
2606 /* init complex filtergraphs */
2607 for (i = 0; i < nb_filtergraphs; i++)
2608 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2611 /* for each output stream, we compute the right encoding parameters */
2612 for (i = 0; i < nb_output_streams; i++) {
2613 AVCodecContext *enc_ctx;
2614 AVCodecContext *dec_ctx = NULL;
2615 ost = output_streams[i];
2616 oc = output_files[ost->file_index]->ctx;
2617 ist = get_input_stream(ost);
2619 if (ost->attachment_filename)
2622 enc_ctx = ost->enc_ctx;
2625 dec_ctx = ist->dec_ctx;
2627 ost->st->disposition = ist->st->disposition;
2628 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2629 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2631 for (j=0; j<oc->nb_streams; j++) {
2632 AVStream *st = oc->streams[j];
2633 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2636 if (j == oc->nb_streams)
2637 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2638 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2641 if (ost->stream_copy) {
2643 uint64_t extra_size;
2645 av_assert0(ist && !ost->filter);
2647 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2649 if (extra_size > INT_MAX) {
2650 return AVERROR(EINVAL);
2653 /* if stream_copy is selected, no need to decode or encode */
2654 enc_ctx->codec_id = dec_ctx->codec_id;
2655 enc_ctx->codec_type = dec_ctx->codec_type;
2657 if (!enc_ctx->codec_tag) {
2658 unsigned int codec_tag;
2659 if (!oc->oformat->codec_tag ||
2660 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2661 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2662 enc_ctx->codec_tag = dec_ctx->codec_tag;
2665 enc_ctx->bit_rate = dec_ctx->bit_rate;
2666 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2667 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2668 enc_ctx->field_order = dec_ctx->field_order;
2669 enc_ctx->extradata = av_mallocz(extra_size);
2670 if (!enc_ctx->extradata) {
2671 return AVERROR(ENOMEM);
2673 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2674 enc_ctx->extradata_size= dec_ctx->extradata_size;
2675 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2677 enc_ctx->time_base = ist->st->time_base;
2679 * Avi is a special case here because it supports variable fps but
2680 * having the fps and timebase differe significantly adds quite some
2683 if(!strcmp(oc->oformat->name, "avi")) {
2684 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2685 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2686 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2687 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2689 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2690 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2691 enc_ctx->ticks_per_frame = 2;
2692 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2693 && av_q2d(ist->st->time_base) < 1.0/500
2695 enc_ctx->time_base = dec_ctx->time_base;
2696 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2697 enc_ctx->time_base.den *= 2;
2698 enc_ctx->ticks_per_frame = 2;
2700 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2701 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2702 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2703 && strcmp(oc->oformat->name, "f4v")
2705 if( copy_tb<0 && dec_ctx->time_base.den
2706 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2707 && av_q2d(ist->st->time_base) < 1.0/500
2709 enc_ctx->time_base = dec_ctx->time_base;
2710 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2713 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2714 && dec_ctx->time_base.num < dec_ctx->time_base.den
2715 && dec_ctx->time_base.num > 0
2716 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2717 enc_ctx->time_base = dec_ctx->time_base;
2720 if (ist && !ost->frame_rate.num)
2721 ost->frame_rate = ist->framerate;
2722 if(ost->frame_rate.num)
2723 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2725 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2726 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2728 if (ist->st->nb_side_data) {
2729 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2730 sizeof(*ist->st->side_data));
2731 if (!ost->st->side_data)
2732 return AVERROR(ENOMEM);
2734 for (j = 0; j < ist->st->nb_side_data; j++) {
2735 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2736 AVPacketSideData *sd_dst = &ost->st->side_data[j];
2738 sd_dst->data = av_malloc(sd_src->size);
2740 return AVERROR(ENOMEM);
2741 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2742 sd_dst->size = sd_src->size;
2743 sd_dst->type = sd_src->type;
2744 ost->st->nb_side_data++;
2748 ost->parser = av_parser_init(enc_ctx->codec_id);
2750 switch (enc_ctx->codec_type) {
2751 case AVMEDIA_TYPE_AUDIO:
2752 if (audio_volume != 256) {
2753 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2756 enc_ctx->channel_layout = dec_ctx->channel_layout;
2757 enc_ctx->sample_rate = dec_ctx->sample_rate;
2758 enc_ctx->channels = dec_ctx->channels;
2759 enc_ctx->frame_size = dec_ctx->frame_size;
2760 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2761 enc_ctx->block_align = dec_ctx->block_align;
2762 enc_ctx->initial_padding = dec_ctx->delay;
2763 #if FF_API_AUDIOENC_DELAY
2764 enc_ctx->delay = dec_ctx->delay;
2766 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2767 enc_ctx->block_align= 0;
2768 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2769 enc_ctx->block_align= 0;
2771 case AVMEDIA_TYPE_VIDEO:
2772 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2773 enc_ctx->width = dec_ctx->width;
2774 enc_ctx->height = dec_ctx->height;
2775 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2776 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2778 av_mul_q(ost->frame_aspect_ratio,
2779 (AVRational){ enc_ctx->height, enc_ctx->width });
2780 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2781 "with stream copy may produce invalid files\n");
2783 else if (ist->st->sample_aspect_ratio.num)
2784 sar = ist->st->sample_aspect_ratio;
2786 sar = dec_ctx->sample_aspect_ratio;
2787 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2788 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2789 ost->st->r_frame_rate = ist->st->r_frame_rate;
2791 case AVMEDIA_TYPE_SUBTITLE:
2792 enc_ctx->width = dec_ctx->width;
2793 enc_ctx->height = dec_ctx->height;
2795 case AVMEDIA_TYPE_DATA:
2796 case AVMEDIA_TYPE_ATTACHMENT:
2803 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2805 /* should only happen when a default codec is not present. */
2806 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2807 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2808 ret = AVERROR(EINVAL);
2813 ist->decoding_needed |= DECODING_FOR_OST;
2814 ost->encoding_needed = 1;
2816 set_encoder_id(output_files[ost->file_index], ost);
2819 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2820 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2822 fg = init_simple_filtergraph(ist, ost);
2823 if (configure_filtergraph(fg)) {
2824 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2829 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2830 if (ost->filter && !ost->frame_rate.num)
2831 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2832 if (ist && !ost->frame_rate.num)
2833 ost->frame_rate = ist->framerate;
2834 if (ist && !ost->frame_rate.num)
2835 ost->frame_rate = ist->st->r_frame_rate;
2836 if (ist && !ost->frame_rate.num) {
2837 ost->frame_rate = (AVRational){25, 1};
2838 av_log(NULL, AV_LOG_WARNING,
2840 "about the input framerate is available. Falling "
2841 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2842 "if you want a different framerate.\n",
2843 ost->file_index, ost->index);
2845 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2846 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2847 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2848 ost->frame_rate = ost->enc->supported_framerates[idx];
2850 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2851 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2852 ost->frame_rate.num, ost->frame_rate.den, 65535);
2856 switch (enc_ctx->codec_type) {
2857 case AVMEDIA_TYPE_AUDIO:
2858 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2859 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2860 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2861 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2862 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2864 case AVMEDIA_TYPE_VIDEO:
2865 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2866 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2867 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2868 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2869 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2870 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2871 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2873 for (j = 0; j < ost->forced_kf_count; j++)
2874 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2876 enc_ctx->time_base);
2878 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2879 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2880 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2881 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2882 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2883 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2884 if (!strncmp(ost->enc->name, "libx264", 7) &&
2885 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2886 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2887 av_log(NULL, AV_LOG_WARNING,
2888 "No pixel format specified, %s for H.264 encoding chosen.\n"
2889 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2890 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2891 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2892 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2893 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2894 av_log(NULL, AV_LOG_WARNING,
2895 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2896 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2897 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2898 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2900 ost->st->avg_frame_rate = ost->frame_rate;
2903 enc_ctx->width != dec_ctx->width ||
2904 enc_ctx->height != dec_ctx->height ||
2905 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2906 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2909 if (ost->forced_keyframes) {
2910 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2911 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2912 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2914 av_log(NULL, AV_LOG_ERROR,
2915 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2918 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2919 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2920 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2921 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2923 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2927 case AVMEDIA_TYPE_SUBTITLE:
2928 enc_ctx->time_base = (AVRational){1, 1000};
2929 if (!enc_ctx->width) {
2930 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2931 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2934 case AVMEDIA_TYPE_DATA:
2941 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2942 char logfilename[1024];
2945 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2946 ost->logfile_prefix ? ost->logfile_prefix :
2947 DEFAULT_PASS_LOGFILENAME_PREFIX,
2949 if (!strcmp(ost->enc->name, "libx264")) {
2950 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2952 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2954 size_t logbuffer_size;
2955 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2956 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2960 enc_ctx->stats_in = logbuffer;
2962 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2963 f = av_fopen_utf8(logfilename, "wb");
2965 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2966 logfilename, strerror(errno));
2975 if (ost->disposition) {
2976 static const AVOption opts[] = {
2977 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
2978 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
2979 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
2980 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
2981 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
2982 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
2983 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
2984 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
2985 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
2986 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
2987 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
2988 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
2989 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
2990 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
2993 static const AVClass class = {
2995 .item_name = av_default_item_name,
2997 .version = LIBAVUTIL_VERSION_INT,
2999 const AVClass *pclass = &class;
3001 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3007 /* open each encoder */
3008 for (i = 0; i < nb_output_streams; i++) {
3009 ost = output_streams[i];
3010 if (ost->encoding_needed) {
3011 AVCodec *codec = ost->enc;
3012 AVCodecContext *dec = NULL;
3014 if ((ist = get_input_stream(ost)))
3016 if (dec && dec->subtitle_header) {
3017 /* ASS code assumes this buffer is null terminated so add extra byte. */
3018 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3019 if (!ost->enc_ctx->subtitle_header) {
3020 ret = AVERROR(ENOMEM);
3023 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3024 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3026 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3027 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3028 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3030 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3031 if (ret == AVERROR_EXPERIMENTAL)
3032 abort_codec_experimental(codec, 1);
3033 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3034 ost->file_index, ost->index);
3037 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3038 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3039 av_buffersink_set_frame_size(ost->filter->filter,
3040 ost->enc_ctx->frame_size);
3041 assert_avoptions(ost->encoder_opts);
3042 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3043 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3044 " It takes bits/s as argument, not kbits/s\n");
3046 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3048 av_log(NULL, AV_LOG_FATAL,
3049 "Error setting up codec context options.\n");
3054 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3056 av_log(NULL, AV_LOG_FATAL,
3057 "Error initializing the output stream codec context.\n");
3060 ost->st->codec->codec= ost->enc_ctx->codec;
3062 // copy timebase while removing common factors
3063 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3066 /* init input streams */
3067 for (i = 0; i < nb_input_streams; i++)
3068 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3069 for (i = 0; i < nb_output_streams; i++) {
3070 ost = output_streams[i];
3071 avcodec_close(ost->enc_ctx);
3076 /* discard unused programs */
3077 for (i = 0; i < nb_input_files; i++) {
3078 InputFile *ifile = input_files[i];
3079 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3080 AVProgram *p = ifile->ctx->programs[j];
3081 int discard = AVDISCARD_ALL;
3083 for (k = 0; k < p->nb_stream_indexes; k++)
3084 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3085 discard = AVDISCARD_DEFAULT;
3088 p->discard = discard;
3092 /* open files and write file headers */
3093 for (i = 0; i < nb_output_files; i++) {
3094 oc = output_files[i]->ctx;
3095 oc->interrupt_callback = int_cb;
3096 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3097 snprintf(error, sizeof(error),
3098 "Could not write header for output file #%d "
3099 "(incorrect codec parameters ?): %s",
3100 i, av_err2str(ret));
3101 ret = AVERROR(EINVAL);
3104 // assert_avoptions(output_files[i]->opts);
3105 if (strcmp(oc->oformat->name, "rtp")) {
3111 /* dump the file output parameters - cannot be done before in case
3113 for (i = 0; i < nb_output_files; i++) {
3114 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3117 /* dump the stream mapping */
3118 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3119 for (i = 0; i < nb_input_streams; i++) {
3120 ist = input_streams[i];
3122 for (j = 0; j < ist->nb_filters; j++) {
3123 if (ist->filters[j]->graph->graph_desc) {
3124 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3125 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3126 ist->filters[j]->name);
3127 if (nb_filtergraphs > 1)
3128 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3129 av_log(NULL, AV_LOG_INFO, "\n");
3134 for (i = 0; i < nb_output_streams; i++) {
3135 ost = output_streams[i];
3137 if (ost->attachment_filename) {
3138 /* an attached file */
3139 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3140 ost->attachment_filename, ost->file_index, ost->index);
3144 if (ost->filter && ost->filter->graph->graph_desc) {
3145 /* output from a complex graph */
3146 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3147 if (nb_filtergraphs > 1)
3148 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3150 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3151 ost->index, ost->enc ? ost->enc->name : "?");
3155 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3156 input_streams[ost->source_index]->file_index,
3157 input_streams[ost->source_index]->st->index,
3160 if (ost->sync_ist != input_streams[ost->source_index])
3161 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3162 ost->sync_ist->file_index,
3163 ost->sync_ist->st->index);
3164 if (ost->stream_copy)
3165 av_log(NULL, AV_LOG_INFO, " (copy)");
3167 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3168 const AVCodec *out_codec = ost->enc;
3169 const char *decoder_name = "?";
3170 const char *in_codec_name = "?";
3171 const char *encoder_name = "?";
3172 const char *out_codec_name = "?";
3175 decoder_name = in_codec->name;
3176 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
3177 if (!strcmp(decoder_name, in_codec_name))
3178 decoder_name = "native";
3182 encoder_name = out_codec->name;
3183 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3184 if (!strcmp(encoder_name, out_codec_name))
3185 encoder_name = "native";
3188 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3189 in_codec_name, decoder_name,
3190 out_codec_name, encoder_name);
3192 av_log(NULL, AV_LOG_INFO, "\n");
3196 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3200 if (sdp_filename || want_sdp) {
3204 transcode_init_done = 1;
3209 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3210 static int need_output(void)
3214 for (i = 0; i < nb_output_streams; i++) {
3215 OutputStream *ost = output_streams[i];
3216 OutputFile *of = output_files[ost->file_index];
3217 AVFormatContext *os = output_files[ost->file_index]->ctx;
3219 if (ost->finished ||
3220 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3222 if (ost->frame_number >= ost->max_frames) {
3224 for (j = 0; j < of->ctx->nb_streams; j++)
3225 close_output_stream(output_streams[of->ost_index + j]);
3236 * Select the output stream to process.
3238 * @return selected output stream, or NULL if none available
3240 static OutputStream *choose_output(void)
3243 int64_t opts_min = INT64_MAX;
3244 OutputStream *ost_min = NULL;
3246 for (i = 0; i < nb_output_streams; i++) {
3247 OutputStream *ost = output_streams[i];
3248 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3250 if (!ost->finished && opts < opts_min) {
3252 ost_min = ost->unavailable ? NULL : ost;
3258 static int check_keyboard_interaction(int64_t cur_time)
3261 static int64_t last_time;
3262 if (received_nb_signals)
3263 return AVERROR_EXIT;
3264 /* read_key() returns 0 on EOF */
3265 if(cur_time - last_time >= 100000 && !run_as_daemon){
3267 last_time = cur_time;
3271 return AVERROR_EXIT;
3272 if (key == '+') av_log_set_level(av_log_get_level()+10);
3273 if (key == '-') av_log_set_level(av_log_get_level()-10);
3274 if (key == 's') qp_hist ^= 1;
3277 do_hex_dump = do_pkt_dump = 0;
3278 } else if(do_pkt_dump){
3282 av_log_set_level(AV_LOG_DEBUG);
3284 if (key == 'c' || key == 'C'){
3285 char buf[4096], target[64], command[256], arg[256] = {0};
3288 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3290 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3295 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3296 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3297 target, time, command, arg);
3298 for (i = 0; i < nb_filtergraphs; i++) {
3299 FilterGraph *fg = filtergraphs[i];
3302 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3303 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3304 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3305 } else if (key == 'c') {
3306 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3307 ret = AVERROR_PATCHWELCOME;
3309 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3314 av_log(NULL, AV_LOG_ERROR,
3315 "Parse error, at least 3 arguments were expected, "
3316 "only %d given in string '%s'\n", n, buf);
3319 if (key == 'd' || key == 'D'){
3322 debug = input_streams[0]->st->codec->debug<<1;
3323 if(!debug) debug = 1;
3324 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3327 if(scanf("%d", &debug)!=1)
3328 fprintf(stderr,"error parsing debug value\n");
3329 for(i=0;i<nb_input_streams;i++) {
3330 input_streams[i]->st->codec->debug = debug;
3332 for(i=0;i<nb_output_streams;i++) {
3333 OutputStream *ost = output_streams[i];
3334 ost->enc_ctx->debug = debug;
3336 if(debug) av_log_set_level(AV_LOG_DEBUG);
3337 fprintf(stderr,"debug=%d\n", debug);
3340 fprintf(stderr, "key function\n"
3341 "? show this help\n"
3342 "+ increase verbosity\n"
3343 "- decrease verbosity\n"
3344 "c Send command to first matching filter supporting it\n"
3345 "C Send/Que command to all matching filters\n"
3346 "D cycle through available debug modes\n"
3347 "h dump packets/hex press to cycle through the 3 states\n"
3349 "s Show QP histogram\n"
3356 static void *input_thread(void *arg)
3363 ret = av_read_frame(f->ctx, &pkt);
3365 if (ret == AVERROR(EAGAIN)) {
3370 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3373 av_dup_packet(&pkt);
3374 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3376 if (ret != AVERROR_EOF)
3377 av_log(f->ctx, AV_LOG_ERROR,
3378 "Unable to send packet to main thread: %s\n",
3380 av_free_packet(&pkt);
3381 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3389 static void free_input_threads(void)
3393 for (i = 0; i < nb_input_files; i++) {
3394 InputFile *f = input_files[i];
3397 if (!f->in_thread_queue)
3399 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3400 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3401 av_free_packet(&pkt);
3403 pthread_join(f->thread, NULL);
3405 av_thread_message_queue_free(&f->in_thread_queue);
3409 static int init_input_threads(void)
3413 if (nb_input_files == 1)
3416 for (i = 0; i < nb_input_files; i++) {
3417 InputFile *f = input_files[i];
3419 if (f->ctx->pb ? !f->ctx->pb->seekable :
3420 strcmp(f->ctx->iformat->name, "lavfi"))
3421 f->non_blocking = 1;
3422 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3423 f->thread_queue_size, sizeof(AVPacket));
3427 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3428 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3429 av_thread_message_queue_free(&f->in_thread_queue);
3430 return AVERROR(ret);
3436 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3438 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3440 AV_THREAD_MESSAGE_NONBLOCK : 0);
3444 static int get_input_packet(InputFile *f, AVPacket *pkt)
3448 for (i = 0; i < f->nb_streams; i++) {
3449 InputStream *ist = input_streams[f->ist_index + i];
3450 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3451 int64_t now = av_gettime_relative() - ist->start;
3453 return AVERROR(EAGAIN);
3458 if (nb_input_files > 1)
3459 return get_input_packet_mt(f, pkt);
3461 return av_read_frame(f->ctx, pkt);
3464 static int got_eagain(void)
3467 for (i = 0; i < nb_output_streams; i++)
3468 if (output_streams[i]->unavailable)
3473 static void reset_eagain(void)
3476 for (i = 0; i < nb_input_files; i++)
3477 input_files[i]->eagain = 0;
3478 for (i = 0; i < nb_output_streams; i++)
3479 output_streams[i]->unavailable = 0;
3484 * - 0 -- one packet was read and processed
3485 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3486 * this function should be called again
3487 * - AVERROR_EOF -- this function should not be called again
3489 static int process_input(int file_index)
3491 InputFile *ifile = input_files[file_index];
3492 AVFormatContext *is;
3498 ret = get_input_packet(ifile, &pkt);
3500 if (ret == AVERROR(EAGAIN)) {
3505 if (ret != AVERROR_EOF) {
3506 print_error(is->filename, ret);
3511 for (i = 0; i < ifile->nb_streams; i++) {
3512 ist = input_streams[ifile->ist_index + i];
3513 if (ist->decoding_needed) {
3514 ret = process_input_packet(ist, NULL);
3519 /* mark all outputs that don't go through lavfi as finished */
3520 for (j = 0; j < nb_output_streams; j++) {
3521 OutputStream *ost = output_streams[j];
3523 if (ost->source_index == ifile->ist_index + i &&
3524 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3525 finish_output_stream(ost);
3529 ifile->eof_reached = 1;
3530 return AVERROR(EAGAIN);
3536 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3537 is->streams[pkt.stream_index]);
3539 /* the following test is needed in case new streams appear
3540 dynamically in stream : we ignore them */
3541 if (pkt.stream_index >= ifile->nb_streams) {
3542 report_new_stream(file_index, &pkt);
3543 goto discard_packet;
3546 ist = input_streams[ifile->ist_index + pkt.stream_index];
3548 ist->data_size += pkt.size;
3552 goto discard_packet;
3555 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3556 "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",
3557 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3558 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3559 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3560 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3561 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3562 av_ts2str(input_files[ist->file_index]->ts_offset),
3563 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3566 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3567 int64_t stime, stime2;
3568 // Correcting starttime based on the enabled streams
3569 // 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.
3570 // so we instead do it here as part of discontinuity handling
3571 if ( ist->next_dts == AV_NOPTS_VALUE
3572 && ifile->ts_offset == -is->start_time
3573 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3574 int64_t new_start_time = INT64_MAX;
3575 for (i=0; i<is->nb_streams; i++) {
3576 AVStream *st = is->streams[i];
3577 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3579 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3581 if (new_start_time > is->start_time) {
3582 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3583 ifile->ts_offset = -new_start_time;
3587 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3588 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3589 ist->wrap_correction_done = 1;
3591 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3592 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3593 ist->wrap_correction_done = 0;
3595 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3596 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3597 ist->wrap_correction_done = 0;
3601 /* add the stream-global side data to the first packet */
3602 if (ist->nb_packets == 1) {
3603 if (ist->st->nb_side_data)
3604 av_packet_split_side_data(&pkt);
3605 for (i = 0; i < ist->st->nb_side_data; i++) {
3606 AVPacketSideData *src_sd = &ist->st->side_data[i];
3609 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3612 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3616 memcpy(dst_data, src_sd->data, src_sd->size);
3620 if (pkt.dts != AV_NOPTS_VALUE)
3621 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3622 if (pkt.pts != AV_NOPTS_VALUE)
3623 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3625 if (pkt.pts != AV_NOPTS_VALUE)
3626 pkt.pts *= ist->ts_scale;
3627 if (pkt.dts != AV_NOPTS_VALUE)
3628 pkt.dts *= ist->ts_scale;
3630 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3631 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3632 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3633 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3634 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3635 int64_t delta = pkt_dts - ifile->last_ts;
3636 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3637 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3638 ifile->ts_offset -= delta;
3639 av_log(NULL, AV_LOG_DEBUG,
3640 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3641 delta, ifile->ts_offset);
3642 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3643 if (pkt.pts != AV_NOPTS_VALUE)
3644 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3648 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3649 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3650 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3652 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3653 int64_t delta = pkt_dts - ist->next_dts;
3654 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3655 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3656 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3657 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3658 ifile->ts_offset -= delta;
3659 av_log(NULL, AV_LOG_DEBUG,
3660 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3661 delta, ifile->ts_offset);
3662 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3663 if (pkt.pts != AV_NOPTS_VALUE)
3664 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3667 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3668 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3669 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3670 pkt.dts = AV_NOPTS_VALUE;
3672 if (pkt.pts != AV_NOPTS_VALUE){
3673 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3674 delta = pkt_pts - ist->next_dts;
3675 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3676 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3677 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3678 pkt.pts = AV_NOPTS_VALUE;
3684 if (pkt.dts != AV_NOPTS_VALUE)
3685 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3688 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",
3689 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3690 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3691 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3692 av_ts2str(input_files[ist->file_index]->ts_offset),
3693 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3696 sub2video_heartbeat(ist, pkt.pts);
3698 ret = process_input_packet(ist, &pkt);
3700 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3701 ist->file_index, ist->st->index, av_err2str(ret));
3707 av_free_packet(&pkt);
3713 * Perform a step of transcoding for the specified filter graph.
3715 * @param[in] graph filter graph to consider
3716 * @param[out] best_ist input stream where a frame would allow to continue
3717 * @return 0 for success, <0 for error
3719 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3722 int nb_requests, nb_requests_max = 0;
3723 InputFilter *ifilter;
3727 ret = avfilter_graph_request_oldest(graph->graph);
3729 return reap_filters();
3731 if (ret == AVERROR_EOF) {
3732 ret = reap_filters();
3733 for (i = 0; i < graph->nb_outputs; i++)
3734 close_output_stream(graph->outputs[i]->ost);
3737 if (ret != AVERROR(EAGAIN))
3740 for (i = 0; i < graph->nb_inputs; i++) {
3741 ifilter = graph->inputs[i];
3743 if (input_files[ist->file_index]->eagain ||
3744 input_files[ist->file_index]->eof_reached)
3746 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3747 if (nb_requests > nb_requests_max) {
3748 nb_requests_max = nb_requests;
3754 for (i = 0; i < graph->nb_outputs; i++)
3755 graph->outputs[i]->ost->unavailable = 1;
3761 * Run a single step of transcoding.
3763 * @return 0 for success, <0 for error
3765 static int transcode_step(void)
3771 ost = choose_output();
3778 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3783 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3788 av_assert0(ost->source_index >= 0);
3789 ist = input_streams[ost->source_index];
3792 ret = process_input(ist->file_index);
3793 if (ret == AVERROR(EAGAIN)) {
3794 if (input_files[ist->file_index]->eagain)
3795 ost->unavailable = 1;
3799 return ret == AVERROR_EOF ? 0 : ret;
3801 return reap_filters();
3805 * The following code is the main loop of the file converter
3807 static int transcode(void)
3810 AVFormatContext *os;
3813 int64_t timer_start;
3815 ret = transcode_init();
3819 if (stdin_interaction) {
3820 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3823 timer_start = av_gettime_relative();
3826 if ((ret = init_input_threads()) < 0)
3830 while (!received_sigterm) {
3831 int64_t cur_time= av_gettime_relative();
3833 /* if 'q' pressed, exits */
3834 if (stdin_interaction)
3835 if (check_keyboard_interaction(cur_time) < 0)
3838 /* check if there's any stream where output is still needed */
3839 if (!need_output()) {
3840 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3844 ret = transcode_step();
3846 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3849 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3853 /* dump report by using the output first video and audio streams */
3854 print_report(0, timer_start, cur_time);
3857 free_input_threads();
3860 /* at the end of stream, we must flush the decoder buffers */
3861 for (i = 0; i < nb_input_streams; i++) {
3862 ist = input_streams[i];
3863 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3864 process_input_packet(ist, NULL);
3871 /* write the trailer if needed and close file */
3872 for (i = 0; i < nb_output_files; i++) {
3873 os = output_files[i]->ctx;
3874 av_write_trailer(os);
3877 /* dump report by using the first video and audio streams */
3878 print_report(1, timer_start, av_gettime_relative());
3880 /* close each encoder */
3881 for (i = 0; i < nb_output_streams; i++) {
3882 ost = output_streams[i];
3883 if (ost->encoding_needed) {
3884 av_freep(&ost->enc_ctx->stats_in);
3888 /* close each decoder */
3889 for (i = 0; i < nb_input_streams; i++) {
3890 ist = input_streams[i];
3891 if (ist->decoding_needed) {
3892 avcodec_close(ist->dec_ctx);
3893 if (ist->hwaccel_uninit)
3894 ist->hwaccel_uninit(ist->dec_ctx);
3903 free_input_threads();
3906 if (output_streams) {
3907 for (i = 0; i < nb_output_streams; i++) {
3908 ost = output_streams[i];
3911 fclose(ost->logfile);
3912 ost->logfile = NULL;
3914 av_freep(&ost->forced_kf_pts);
3915 av_freep(&ost->apad);
3916 av_freep(&ost->disposition);
3917 av_dict_free(&ost->encoder_opts);
3918 av_dict_free(&ost->swr_opts);
3919 av_dict_free(&ost->resample_opts);
3920 av_dict_free(&ost->bsf_args);
3928 static int64_t getutime(void)
3931 struct rusage rusage;
3933 getrusage(RUSAGE_SELF, &rusage);
3934 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3935 #elif HAVE_GETPROCESSTIMES
3937 FILETIME c, e, k, u;
3938 proc = GetCurrentProcess();
3939 GetProcessTimes(proc, &c, &e, &k, &u);
3940 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3942 return av_gettime_relative();
3946 static int64_t getmaxrss(void)
3948 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3949 struct rusage rusage;
3950 getrusage(RUSAGE_SELF, &rusage);
3951 return (int64_t)rusage.ru_maxrss * 1024;
3952 #elif HAVE_GETPROCESSMEMORYINFO
3954 PROCESS_MEMORY_COUNTERS memcounters;
3955 proc = GetCurrentProcess();
3956 memcounters.cb = sizeof(memcounters);
3957 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3958 return memcounters.PeakPagefileUsage;
3964 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3968 int main(int argc, char **argv)
3973 register_exit(ffmpeg_cleanup);
3975 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3977 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3978 parse_loglevel(argc, argv, options);
3980 if(argc>1 && !strcmp(argv[1], "-d")){
3982 av_log_set_callback(log_callback_null);
3987 avcodec_register_all();
3989 avdevice_register_all();
3991 avfilter_register_all();
3993 avformat_network_init();
3995 show_banner(argc, argv, options);
3999 /* parse options and open all input/output files */
4000 ret = ffmpeg_parse_options(argc, argv);
4004 if (nb_output_files <= 0 && nb_input_files == 0) {
4006 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4010 /* file converter / grab */
4011 if (nb_output_files <= 0) {
4012 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4016 // if (nb_input_files == 0) {
4017 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4021 current_time = ti = getutime();
4022 if (transcode() < 0)
4024 ti = getutime() - ti;
4026 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4028 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4029 decode_error_stat[0], decode_error_stat[1]);
4030 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4033 exit_program(received_nb_signals ? 255 : main_return_code);
4034 return main_return_code;