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
42 #include "libavformat/avformat.h"
43 #include "libavdevice/avdevice.h"
44 #include "libswresample/swresample.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/channel_layout.h"
47 #include "libavutil/parseutils.h"
48 #include "libavutil/samplefmt.h"
49 #include "libavutil/fifo.h"
50 #include "libavutil/internal.h"
51 #include "libavutil/intreadwrite.h"
52 #include "libavutil/dict.h"
53 #include "libavutil/mathematics.h"
54 #include "libavutil/pixdesc.h"
55 #include "libavutil/avstring.h"
56 #include "libavutil/libm.h"
57 #include "libavutil/imgutils.h"
58 #include "libavutil/timestamp.h"
59 #include "libavutil/bprint.h"
60 #include "libavutil/time.h"
61 #include "libavutil/threadmessage.h"
62 #include "libavcodec/mathops.h"
63 #include "libavformat/os_support.h"
65 # include "libavfilter/avfilter.h"
66 # include "libavfilter/buffersrc.h"
67 # include "libavfilter/buffersink.h"
69 #if HAVE_SYS_RESOURCE_H
71 #include <sys/types.h>
72 #include <sys/resource.h>
73 #elif HAVE_GETPROCESSTIMES
76 #if HAVE_GETPROCESSMEMORYINFO
80 #if HAVE_SETCONSOLECTRLHANDLER
86 #include <sys/select.h>
91 #include <sys/ioctl.h>
105 #include "cmdutils.h"
107 #include "libavutil/avassert.h"
109 const char program_name[] = "ffmpeg";
110 const int program_birth_year = 2000;
112 static FILE *vstats_file;
114 const char *const forced_keyframes_const_names[] = {
123 static void do_video_stats(OutputStream *ost, int frame_size);
124 static int64_t getutime(void);
125 static int64_t getmaxrss(void);
127 static int run_as_daemon = 0;
128 static int nb_frames_dup = 0;
129 static int nb_frames_drop = 0;
130 static int64_t decode_error_stat[2];
132 static int current_time;
133 AVIOContext *progress_avio = NULL;
135 static uint8_t *subtitle_out;
137 InputStream **input_streams = NULL;
138 int nb_input_streams = 0;
139 InputFile **input_files = NULL;
140 int nb_input_files = 0;
142 OutputStream **output_streams = NULL;
143 int nb_output_streams = 0;
144 OutputFile **output_files = NULL;
145 int nb_output_files = 0;
147 FilterGraph **filtergraphs;
152 /* init terminal so that we can grab keys */
153 static struct termios oldtty;
154 static int restore_tty;
158 static void free_input_threads(void);
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
166 static int sub2video_get_blank_frame(InputStream *ist)
169 AVFrame *frame = ist->sub2video.frame;
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
173 ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
181 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
184 uint32_t *pal, *dst2;
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle (%d %d %d %d) overflowing %d %d\n",
194 r->x, r->y, r->w, r->h, w, h
199 dst += r->y * dst_linesize + r->x * 4;
200 src = r->pict.data[0];
201 pal = (uint32_t *)r->pict.data[1];
202 for (y = 0; y < r->h; y++) {
203 dst2 = (uint32_t *)dst;
205 for (x = 0; x < r->w; x++)
206 *(dst2++) = pal[*(src2++)];
208 src += r->pict.linesize[0];
212 static void sub2video_push_ref(InputStream *ist, int64_t pts)
214 AVFrame *frame = ist->sub2video.frame;
217 av_assert1(frame->data[0]);
218 ist->sub2video.last_pts = frame->pts = pts;
219 for (i = 0; i < ist->nb_filters; i++)
220 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
221 AV_BUFFERSRC_FLAG_KEEP_REF |
222 AV_BUFFERSRC_FLAG_PUSH);
225 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
227 AVFrame *frame = ist->sub2video.frame;
231 int64_t pts, end_pts;
236 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
237 AV_TIME_BASE_Q, ist->st->time_base);
238 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
239 AV_TIME_BASE_Q, ist->st->time_base);
240 num_rects = sub->num_rects;
242 pts = ist->sub2video.end_pts;
246 if (sub2video_get_blank_frame(ist) < 0) {
247 av_log(ist->dec_ctx, AV_LOG_ERROR,
248 "Impossible to get a blank canvas.\n");
251 dst = frame->data [0];
252 dst_linesize = frame->linesize[0];
253 for (i = 0; i < num_rects; i++)
254 sub2video_copy_rect(dst, dst_linesize, frame->width, frame->height, sub->rects[i]);
255 sub2video_push_ref(ist, pts);
256 ist->sub2video.end_pts = end_pts;
259 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
261 InputFile *infile = input_files[ist->file_index];
265 /* When a frame is read from a file, examine all sub2video streams in
266 the same file and send the sub2video frame again. Otherwise, decoded
267 video frames could be accumulating in the filter graph while a filter
268 (possibly overlay) is desperately waiting for a subtitle frame. */
269 for (i = 0; i < infile->nb_streams; i++) {
270 InputStream *ist2 = input_streams[infile->ist_index + i];
271 if (!ist2->sub2video.frame)
273 /* subtitles seem to be usually muxed ahead of other streams;
274 if not, subtracting a larger time here is necessary */
275 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
276 /* do not send the heartbeat frame if the subtitle is already ahead */
277 if (pts2 <= ist2->sub2video.last_pts)
279 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
280 sub2video_update(ist2, NULL);
281 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
282 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
284 sub2video_push_ref(ist2, pts2);
288 static void sub2video_flush(InputStream *ist)
292 if (ist->sub2video.end_pts < INT64_MAX)
293 sub2video_update(ist, NULL);
294 for (i = 0; i < ist->nb_filters; i++)
295 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
298 /* end of sub2video hack */
300 static void term_exit_sigsafe(void)
304 tcsetattr (0, TCSANOW, &oldtty);
310 av_log(NULL, AV_LOG_QUIET, "%s", "");
314 static volatile int received_sigterm = 0;
315 static volatile int received_nb_signals = 0;
316 static volatile int transcode_init_done = 0;
317 static volatile int ffmpeg_exited = 0;
318 static int main_return_code = 0;
321 sigterm_handler(int sig)
323 received_sigterm = sig;
324 received_nb_signals++;
326 if(received_nb_signals > 3) {
327 write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
328 strlen("Received > 3 system signals, hard exiting\n"));
334 #if HAVE_SETCONSOLECTRLHANDLER
335 static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
337 av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
342 case CTRL_BREAK_EVENT:
343 sigterm_handler(SIGINT);
346 case CTRL_CLOSE_EVENT:
347 case CTRL_LOGOFF_EVENT:
348 case CTRL_SHUTDOWN_EVENT:
349 sigterm_handler(SIGTERM);
350 /* Basically, with these 3 events, when we return from this method the
351 process is hard terminated, so stall as long as we need to
352 to try and let the main thread(s) clean up and gracefully terminate
353 (we have at most 5 seconds, but should be done far before that). */
354 while (!ffmpeg_exited) {
360 av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
371 if (tcgetattr (0, &tty) == 0) {
375 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
376 |INLCR|IGNCR|ICRNL|IXON);
377 tty.c_oflag |= OPOST;
378 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
379 tty.c_cflag &= ~(CSIZE|PARENB);
384 tcsetattr (0, TCSANOW, &tty);
386 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
390 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
391 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
393 signal(SIGXCPU, sigterm_handler);
395 #if HAVE_SETCONSOLECTRLHANDLER
396 SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
400 /* read a key without blocking */
401 static int read_key(void)
413 n = select(1, &rfds, NULL, NULL, &tv);
422 # if HAVE_PEEKNAMEDPIPE
424 static HANDLE input_handle;
427 input_handle = GetStdHandle(STD_INPUT_HANDLE);
428 is_pipe = !GetConsoleMode(input_handle, &dw);
432 /* When running under a GUI, you will end here. */
433 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
434 // input pipe may have been closed by the program that ran ffmpeg
452 static int decode_interrupt_cb(void *ctx)
454 return received_nb_signals > transcode_init_done;
457 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
459 static void ffmpeg_cleanup(int ret)
464 int maxrss = getmaxrss() / 1024;
465 av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
468 for (i = 0; i < nb_filtergraphs; i++) {
469 FilterGraph *fg = filtergraphs[i];
470 avfilter_graph_free(&fg->graph);
471 for (j = 0; j < fg->nb_inputs; j++) {
472 av_freep(&fg->inputs[j]->name);
473 av_freep(&fg->inputs[j]);
475 av_freep(&fg->inputs);
476 for (j = 0; j < fg->nb_outputs; j++) {
477 av_freep(&fg->outputs[j]->name);
478 av_freep(&fg->outputs[j]);
480 av_freep(&fg->outputs);
481 av_freep(&fg->graph_desc);
483 av_freep(&filtergraphs[i]);
485 av_freep(&filtergraphs);
487 av_freep(&subtitle_out);
490 for (i = 0; i < nb_output_files; i++) {
491 OutputFile *of = output_files[i];
496 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
498 avformat_free_context(s);
499 av_dict_free(&of->opts);
501 av_freep(&output_files[i]);
503 for (i = 0; i < nb_output_streams; i++) {
504 OutputStream *ost = output_streams[i];
505 AVBitStreamFilterContext *bsfc;
510 bsfc = ost->bitstream_filters;
512 AVBitStreamFilterContext *next = bsfc->next;
513 av_bitstream_filter_close(bsfc);
516 ost->bitstream_filters = NULL;
517 av_frame_free(&ost->filtered_frame);
518 av_frame_free(&ost->last_frame);
520 av_parser_close(ost->parser);
522 av_freep(&ost->forced_keyframes);
523 av_expr_free(ost->forced_keyframes_pexpr);
524 av_freep(&ost->avfilter);
525 av_freep(&ost->logfile_prefix);
527 av_freep(&ost->audio_channels_map);
528 ost->audio_channels_mapped = 0;
530 av_dict_free(&ost->sws_dict);
532 avcodec_free_context(&ost->enc_ctx);
534 av_freep(&output_streams[i]);
537 free_input_threads();
539 for (i = 0; i < nb_input_files; i++) {
540 avformat_close_input(&input_files[i]->ctx);
541 av_freep(&input_files[i]);
543 for (i = 0; i < nb_input_streams; i++) {
544 InputStream *ist = input_streams[i];
546 av_frame_free(&ist->decoded_frame);
547 av_frame_free(&ist->filter_frame);
548 av_dict_free(&ist->decoder_opts);
549 avsubtitle_free(&ist->prev_sub.subtitle);
550 av_frame_free(&ist->sub2video.frame);
551 av_freep(&ist->filters);
552 av_freep(&ist->hwaccel_device);
554 avcodec_free_context(&ist->dec_ctx);
556 av_freep(&input_streams[i]);
560 if (fclose(vstats_file))
561 av_log(NULL, AV_LOG_ERROR,
562 "Error closing vstats file, loss of information possible: %s\n",
563 av_err2str(AVERROR(errno)));
565 av_freep(&vstats_filename);
567 av_freep(&input_streams);
568 av_freep(&input_files);
569 av_freep(&output_streams);
570 av_freep(&output_files);
574 avformat_network_deinit();
576 if (received_sigterm) {
577 av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
578 (int) received_sigterm);
579 } else if (ret && transcode_init_done) {
580 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
586 void remove_avoptions(AVDictionary **a, AVDictionary *b)
588 AVDictionaryEntry *t = NULL;
590 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
591 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
595 void assert_avoptions(AVDictionary *m)
597 AVDictionaryEntry *t;
598 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
599 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
604 static void abort_codec_experimental(AVCodec *c, int encoder)
609 static void update_benchmark(const char *fmt, ...)
611 if (do_benchmark_all) {
612 int64_t t = getutime();
618 vsnprintf(buf, sizeof(buf), fmt, va);
620 av_log(NULL, AV_LOG_INFO, "bench: %8"PRIu64" %s \n", t - current_time, buf);
626 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
629 for (i = 0; i < nb_output_streams; i++) {
630 OutputStream *ost2 = output_streams[i];
631 ost2->finished |= ost == ost2 ? this_stream : others;
635 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
637 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
638 AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
641 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
642 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
643 if (ost->st->codec->extradata) {
644 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
645 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
649 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
650 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
651 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
654 * Audio encoders may split the packets -- #frames in != #packets out.
655 * But there is no reordering, so we can limit the number of output packets
656 * by simply dropping them here.
657 * Counting encoded video frames needs to be done separately because of
658 * reordering, see do_video_out()
660 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
661 if (ost->frame_number >= ost->max_frames) {
662 av_packet_unref(pkt);
667 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
669 uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_STATS,
671 ost->quality = sd ? AV_RL32(sd) : -1;
672 ost->pict_type = sd ? sd[4] : AV_PICTURE_TYPE_NONE;
674 for (i = 0; i<FF_ARRAY_ELEMS(ost->error); i++) {
676 ost->error[i] = AV_RL64(sd + 8 + 8*i);
681 if (ost->frame_rate.num && ost->is_cfr) {
682 if (pkt->duration > 0)
683 av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
684 pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
690 av_packet_split_side_data(pkt);
692 if ((ret = av_apply_bitstream_filters(avctx, pkt, bsfc)) < 0) {
693 print_error("", ret);
697 if (pkt->size == 0 && pkt->side_data_elems == 0)
699 if (!ost->st->codecpar->extradata && avctx->extradata) {
700 ost->st->codecpar->extradata = av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
701 if (!ost->st->codecpar->extradata) {
702 av_log(NULL, AV_LOG_ERROR, "Could not allocate extradata buffer to copy parser data.\n");
705 ost->st->codecpar->extradata_size = avctx->extradata_size;
706 memcpy(ost->st->codecpar->extradata, avctx->extradata, avctx->extradata_size);
709 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
710 if (pkt->dts != AV_NOPTS_VALUE &&
711 pkt->pts != AV_NOPTS_VALUE &&
712 pkt->dts > pkt->pts) {
713 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
715 ost->file_index, ost->st->index);
717 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
718 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
719 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
722 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
723 pkt->dts != AV_NOPTS_VALUE &&
724 !(avctx->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
725 ost->last_mux_dts != AV_NOPTS_VALUE) {
726 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
727 if (pkt->dts < max) {
728 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
729 av_log(s, loglevel, "Non-monotonous DTS in output stream "
730 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
731 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
733 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
736 av_log(s, loglevel, "changing to %"PRId64". This may result "
737 "in incorrect timestamps in the output file.\n",
739 if(pkt->pts >= pkt->dts)
740 pkt->pts = FFMAX(pkt->pts, max);
745 ost->last_mux_dts = pkt->dts;
747 ost->data_size += pkt->size;
748 ost->packets_written++;
750 pkt->stream_index = ost->index;
753 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
754 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
755 av_get_media_type_string(ost->enc_ctx->codec_type),
756 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
757 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
762 ret = av_interleaved_write_frame(s, pkt);
764 print_error("av_interleaved_write_frame()", ret);
765 main_return_code = 1;
766 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
768 av_packet_unref(pkt);
771 static void close_output_stream(OutputStream *ost)
773 OutputFile *of = output_files[ost->file_index];
775 ost->finished |= ENCODER_FINISHED;
777 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
778 of->recording_time = FFMIN(of->recording_time, end);
782 static int check_recording_time(OutputStream *ost)
784 OutputFile *of = output_files[ost->file_index];
786 if (of->recording_time != INT64_MAX &&
787 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
788 AV_TIME_BASE_Q) >= 0) {
789 close_output_stream(ost);
795 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
798 AVCodecContext *enc = ost->enc_ctx;
802 av_init_packet(&pkt);
806 if (!check_recording_time(ost))
809 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
810 frame->pts = ost->sync_opts;
811 ost->sync_opts = frame->pts + frame->nb_samples;
812 ost->samples_encoded += frame->nb_samples;
813 ost->frames_encoded++;
815 av_assert0(pkt.size || !pkt.data);
816 update_benchmark(NULL);
818 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
819 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
820 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
821 enc->time_base.num, enc->time_base.den);
824 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
825 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
828 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
831 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
834 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
835 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
836 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
837 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
840 write_frame(s, &pkt, ost);
844 static void do_subtitle_out(AVFormatContext *s,
849 int subtitle_out_max_size = 1024 * 1024;
850 int subtitle_out_size, nb, i;
855 if (sub->pts == AV_NOPTS_VALUE) {
856 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
865 subtitle_out = av_malloc(subtitle_out_max_size);
867 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
872 /* Note: DVB subtitle need one packet to draw them and one other
873 packet to clear them */
874 /* XXX: signal it in the codec context ? */
875 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
880 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
882 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
883 pts -= output_files[ost->file_index]->start_time;
884 for (i = 0; i < nb; i++) {
885 unsigned save_num_rects = sub->num_rects;
887 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
888 if (!check_recording_time(ost))
892 // start_display_time is required to be 0
893 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
894 sub->end_display_time -= sub->start_display_time;
895 sub->start_display_time = 0;
899 ost->frames_encoded++;
901 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
902 subtitle_out_max_size, sub);
904 sub->num_rects = save_num_rects;
905 if (subtitle_out_size < 0) {
906 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
910 av_init_packet(&pkt);
911 pkt.data = subtitle_out;
912 pkt.size = subtitle_out_size;
913 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
914 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
915 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
916 /* XXX: the pts correction is handled here. Maybe handling
917 it in the codec would be better */
919 pkt.pts += 90 * sub->start_display_time;
921 pkt.pts += 90 * sub->end_display_time;
924 write_frame(s, &pkt, ost);
928 static void do_video_out(AVFormatContext *s,
930 AVFrame *next_picture,
933 int ret, format_video_sync;
935 AVCodecContext *enc = ost->enc_ctx;
936 AVCodecContext *mux_enc = ost->st->codec;
937 int nb_frames, nb0_frames, i;
938 double delta, delta0;
941 InputStream *ist = NULL;
942 AVFilterContext *filter = ost->filter->filter;
944 if (ost->source_index >= 0)
945 ist = input_streams[ost->source_index];
947 if (filter->inputs[0]->frame_rate.num > 0 &&
948 filter->inputs[0]->frame_rate.den > 0)
949 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
951 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
952 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
954 if (!ost->filters_script &&
958 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
959 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
964 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
965 ost->last_nb0_frames[1],
966 ost->last_nb0_frames[2]);
968 delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output.
969 delta = delta0 + duration;
971 /* by default, we output a single frame */
972 nb0_frames = 0; // tracks the number of times the PREVIOUS frame should be duplicated, mostly for variable framerate (VFR)
975 format_video_sync = video_sync_method;
976 if (format_video_sync == VSYNC_AUTO) {
977 if(!strcmp(s->oformat->name, "avi")) {
978 format_video_sync = VSYNC_VFR;
980 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
982 && format_video_sync == VSYNC_CFR
983 && input_files[ist->file_index]->ctx->nb_streams == 1
984 && input_files[ist->file_index]->input_ts_offset == 0) {
985 format_video_sync = VSYNC_VSCFR;
987 if (format_video_sync == VSYNC_CFR && copy_ts) {
988 format_video_sync = VSYNC_VSCFR;
991 ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
995 format_video_sync != VSYNC_PASSTHROUGH &&
996 format_video_sync != VSYNC_DROP) {
998 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
1000 av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
1001 sync_ipts = ost->sync_opts;
1006 switch (format_video_sync) {
1008 if (ost->frame_number == 0 && delta0 >= 0.5) {
1009 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
1012 ost->sync_opts = lrint(sync_ipts);
1015 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1016 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
1018 } else if (delta < -1.1)
1020 else if (delta > 1.1) {
1021 nb_frames = lrintf(delta);
1023 nb0_frames = lrintf(delta0 - 0.6);
1029 else if (delta > 0.6)
1030 ost->sync_opts = lrint(sync_ipts);
1033 case VSYNC_PASSTHROUGH:
1034 ost->sync_opts = lrint(sync_ipts);
1041 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1042 nb0_frames = FFMIN(nb0_frames, nb_frames);
1044 memmove(ost->last_nb0_frames + 1,
1045 ost->last_nb0_frames,
1046 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1047 ost->last_nb0_frames[0] = nb0_frames;
1049 if (nb0_frames == 0 && ost->last_dropped) {
1051 av_log(NULL, AV_LOG_VERBOSE,
1052 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1053 ost->frame_number, ost->st->index, ost->last_frame->pts);
1055 if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
1056 if (nb_frames > dts_error_threshold * 30) {
1057 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1061 nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
1062 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1064 ost->last_dropped = nb_frames == nb0_frames && next_picture;
1066 /* duplicates frame if needed */
1067 for (i = 0; i < nb_frames; i++) {
1068 AVFrame *in_picture;
1069 av_init_packet(&pkt);
1073 if (i < nb0_frames && ost->last_frame) {
1074 in_picture = ost->last_frame;
1076 in_picture = next_picture;
1081 in_picture->pts = ost->sync_opts;
1084 if (!check_recording_time(ost))
1086 if (ost->frame_number >= ost->max_frames)
1090 #if FF_API_LAVF_FMT_RAWPICTURE
1091 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1092 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1093 /* raw pictures are written as AVPicture structure to
1094 avoid any copies. We support temporarily the older
1096 if (in_picture->interlaced_frame)
1097 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1099 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1100 pkt.data = (uint8_t *)in_picture;
1101 pkt.size = sizeof(AVPicture);
1102 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1103 pkt.flags |= AV_PKT_FLAG_KEY;
1105 write_frame(s, &pkt, ost);
1109 int got_packet, forced_keyframe = 0;
1112 if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
1113 ost->top_field_first >= 0)
1114 in_picture->top_field_first = !!ost->top_field_first;
1116 if (in_picture->interlaced_frame) {
1117 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1118 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1120 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1122 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1124 in_picture->quality = enc->global_quality;
1125 in_picture->pict_type = 0;
1127 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1128 in_picture->pts * av_q2d(enc->time_base) : NAN;
1129 if (ost->forced_kf_index < ost->forced_kf_count &&
1130 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1131 ost->forced_kf_index++;
1132 forced_keyframe = 1;
1133 } else if (ost->forced_keyframes_pexpr) {
1135 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1136 res = av_expr_eval(ost->forced_keyframes_pexpr,
1137 ost->forced_keyframes_expr_const_values, NULL);
1138 ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1139 ost->forced_keyframes_expr_const_values[FKF_N],
1140 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1141 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1142 ost->forced_keyframes_expr_const_values[FKF_T],
1143 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1146 forced_keyframe = 1;
1147 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1148 ost->forced_keyframes_expr_const_values[FKF_N];
1149 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1150 ost->forced_keyframes_expr_const_values[FKF_T];
1151 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1154 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1155 } else if ( ost->forced_keyframes
1156 && !strncmp(ost->forced_keyframes, "source", 6)
1157 && in_picture->key_frame==1) {
1158 forced_keyframe = 1;
1161 if (forced_keyframe) {
1162 in_picture->pict_type = AV_PICTURE_TYPE_I;
1163 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1166 update_benchmark(NULL);
1168 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1169 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1170 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1171 enc->time_base.num, enc->time_base.den);
1174 ost->frames_encoded++;
1176 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1177 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1179 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1185 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1186 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1187 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1188 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1191 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
1192 pkt.pts = ost->sync_opts;
1194 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1197 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1198 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1199 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1200 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1203 frame_size = pkt.size;
1204 write_frame(s, &pkt, ost);
1206 /* if two pass, output log */
1207 if (ost->logfile && enc->stats_out) {
1208 fprintf(ost->logfile, "%s", enc->stats_out);
1214 * For video, number of frames in == number of packets out.
1215 * But there may be reordering, so we can't throw away frames on encoder
1216 * flush, we need to limit them here, before they go into encoder.
1218 ost->frame_number++;
1220 if (vstats_filename && frame_size)
1221 do_video_stats(ost, frame_size);
1224 if (!ost->last_frame)
1225 ost->last_frame = av_frame_alloc();
1226 av_frame_unref(ost->last_frame);
1227 if (next_picture && ost->last_frame)
1228 av_frame_ref(ost->last_frame, next_picture);
1230 av_frame_free(&ost->last_frame);
1233 static double psnr(double d)
1235 return -10.0 * log10(d);
1238 static void do_video_stats(OutputStream *ost, int frame_size)
1240 AVCodecContext *enc;
1242 double ti1, bitrate, avg_bitrate;
1244 /* this is executed just the first time do_video_stats is called */
1246 vstats_file = fopen(vstats_filename, "w");
1254 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1255 frame_number = ost->st->nb_frames;
1256 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
1257 ost->quality / (float)FF_QP2LAMBDA);
1259 if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
1260 fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1262 fprintf(vstats_file,"f_size= %6d ", frame_size);
1263 /* compute pts value */
1264 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1268 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1269 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1270 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1271 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1272 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
1276 static void finish_output_stream(OutputStream *ost)
1278 OutputFile *of = output_files[ost->file_index];
1281 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1284 for (i = 0; i < of->ctx->nb_streams; i++)
1285 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1290 * Get and encode new output from any of the filtergraphs, without causing
1293 * @return 0 for success, <0 for severe errors
1295 static int reap_filters(int flush)
1297 AVFrame *filtered_frame = NULL;
1300 /* Reap all buffers present in the buffer sinks */
1301 for (i = 0; i < nb_output_streams; i++) {
1302 OutputStream *ost = output_streams[i];
1303 OutputFile *of = output_files[ost->file_index];
1304 AVFilterContext *filter;
1305 AVCodecContext *enc = ost->enc_ctx;
1310 filter = ost->filter->filter;
1312 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1313 return AVERROR(ENOMEM);
1315 filtered_frame = ost->filtered_frame;
1318 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1319 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1320 AV_BUFFERSINK_FLAG_NO_REQUEST);
1322 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1323 av_log(NULL, AV_LOG_WARNING,
1324 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1325 } else if (flush && ret == AVERROR_EOF) {
1326 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1327 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1331 if (ost->finished) {
1332 av_frame_unref(filtered_frame);
1335 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1336 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1337 AVRational tb = enc->time_base;
1338 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1340 tb.den <<= extra_bits;
1342 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1343 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1344 float_pts /= 1 << extra_bits;
1345 // 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
1346 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1348 filtered_frame->pts =
1349 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1350 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1352 //if (ost->source_index >= 0)
1353 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1355 switch (filter->inputs[0]->type) {
1356 case AVMEDIA_TYPE_VIDEO:
1357 if (!ost->frame_aspect_ratio.num)
1358 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1361 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1362 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1364 enc->time_base.num, enc->time_base.den);
1367 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1369 case AVMEDIA_TYPE_AUDIO:
1370 if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
1371 enc->channels != av_frame_get_channels(filtered_frame)) {
1372 av_log(NULL, AV_LOG_ERROR,
1373 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1376 do_audio_out(of->ctx, ost, filtered_frame);
1379 // TODO support subtitle filters
1383 av_frame_unref(filtered_frame);
1390 static void print_final_stats(int64_t total_size)
1392 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1393 uint64_t subtitle_size = 0;
1394 uint64_t data_size = 0;
1395 float percent = -1.0;
1399 for (i = 0; i < nb_output_streams; i++) {
1400 OutputStream *ost = output_streams[i];
1401 switch (ost->enc_ctx->codec_type) {
1402 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1403 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1404 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1405 default: other_size += ost->data_size; break;
1407 extra_size += ost->enc_ctx->extradata_size;
1408 data_size += ost->data_size;
1409 if ( (ost->enc_ctx->flags & (AV_CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))
1410 != AV_CODEC_FLAG_PASS1)
1414 if (data_size && total_size>0 && total_size >= data_size)
1415 percent = 100.0 * (total_size - data_size) / data_size;
1417 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: ",
1418 video_size / 1024.0,
1419 audio_size / 1024.0,
1420 subtitle_size / 1024.0,
1421 other_size / 1024.0,
1422 extra_size / 1024.0);
1424 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1426 av_log(NULL, AV_LOG_INFO, "unknown");
1427 av_log(NULL, AV_LOG_INFO, "\n");
1429 /* print verbose per-stream stats */
1430 for (i = 0; i < nb_input_files; i++) {
1431 InputFile *f = input_files[i];
1432 uint64_t total_packets = 0, total_size = 0;
1434 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1435 i, f->ctx->filename);
1437 for (j = 0; j < f->nb_streams; j++) {
1438 InputStream *ist = input_streams[f->ist_index + j];
1439 enum AVMediaType type = ist->dec_ctx->codec_type;
1441 total_size += ist->data_size;
1442 total_packets += ist->nb_packets;
1444 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1445 i, j, media_type_string(type));
1446 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1447 ist->nb_packets, ist->data_size);
1449 if (ist->decoding_needed) {
1450 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1451 ist->frames_decoded);
1452 if (type == AVMEDIA_TYPE_AUDIO)
1453 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1454 av_log(NULL, AV_LOG_VERBOSE, "; ");
1457 av_log(NULL, AV_LOG_VERBOSE, "\n");
1460 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1461 total_packets, total_size);
1464 for (i = 0; i < nb_output_files; i++) {
1465 OutputFile *of = output_files[i];
1466 uint64_t total_packets = 0, total_size = 0;
1468 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1469 i, of->ctx->filename);
1471 for (j = 0; j < of->ctx->nb_streams; j++) {
1472 OutputStream *ost = output_streams[of->ost_index + j];
1473 enum AVMediaType type = ost->enc_ctx->codec_type;
1475 total_size += ost->data_size;
1476 total_packets += ost->packets_written;
1478 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1479 i, j, media_type_string(type));
1480 if (ost->encoding_needed) {
1481 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1482 ost->frames_encoded);
1483 if (type == AVMEDIA_TYPE_AUDIO)
1484 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1485 av_log(NULL, AV_LOG_VERBOSE, "; ");
1488 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1489 ost->packets_written, ost->data_size);
1491 av_log(NULL, AV_LOG_VERBOSE, "\n");
1494 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1495 total_packets, total_size);
1497 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1498 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1500 av_log(NULL, AV_LOG_WARNING, "\n");
1502 av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1507 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1510 AVBPrint buf_script;
1512 AVFormatContext *oc;
1514 AVCodecContext *enc;
1515 int frame_number, vid, i;
1518 int64_t pts = INT64_MIN + 1;
1519 static int64_t last_time = -1;
1520 static int qp_histogram[52];
1521 int hours, mins, secs, us;
1525 if (!print_stats && !is_last_report && !progress_avio)
1528 if (!is_last_report) {
1529 if (last_time == -1) {
1530 last_time = cur_time;
1533 if ((cur_time - last_time) < 500000)
1535 last_time = cur_time;
1538 t = (cur_time-timer_start) / 1000000.0;
1541 oc = output_files[0]->ctx;
1543 total_size = avio_size(oc->pb);
1544 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1545 total_size = avio_tell(oc->pb);
1549 av_bprint_init(&buf_script, 0, 1);
1550 for (i = 0; i < nb_output_streams; i++) {
1552 ost = output_streams[i];
1554 if (!ost->stream_copy)
1555 q = ost->quality / (float) FF_QP2LAMBDA;
1557 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1558 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1559 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1560 ost->file_index, ost->index, q);
1562 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1565 frame_number = ost->frame_number;
1566 fps = t > 1 ? frame_number / t : 0;
1567 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1568 frame_number, fps < 9.95, fps, q);
1569 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1570 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1571 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1572 ost->file_index, ost->index, q);
1574 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1578 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1580 for (j = 0; j < 32; j++)
1581 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", av_log2(qp_histogram[j] + 1));
1584 if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
1586 double error, error_sum = 0;
1587 double scale, scale_sum = 0;
1589 char type[3] = { 'Y','U','V' };
1590 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1591 for (j = 0; j < 3; j++) {
1592 if (is_last_report) {
1593 error = enc->error[j];
1594 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1596 error = ost->error[j];
1597 scale = enc->width * enc->height * 255.0 * 255.0;
1603 p = psnr(error / scale);
1604 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1605 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1606 ost->file_index, ost->index, type[j] | 32, p);
1608 p = psnr(error_sum / scale_sum);
1609 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1610 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1611 ost->file_index, ost->index, p);
1615 /* compute min output value */
1616 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1617 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1618 ost->st->time_base, AV_TIME_BASE_Q));
1620 nb_frames_drop += ost->last_dropped;
1623 secs = FFABS(pts) / AV_TIME_BASE;
1624 us = FFABS(pts) % AV_TIME_BASE;
1630 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1631 speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
1633 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1635 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1636 "size=%8.0fkB time=", total_size / 1024.0);
1638 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1639 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1640 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1641 (100 * us) / AV_TIME_BASE);
1644 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1645 av_bprintf(&buf_script, "bitrate=N/A\n");
1647 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1648 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1651 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1652 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1653 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1654 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1655 hours, mins, secs, us);
1657 if (nb_frames_dup || nb_frames_drop)
1658 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1659 nb_frames_dup, nb_frames_drop);
1660 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1661 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1664 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=N/A");
1665 av_bprintf(&buf_script, "speed=N/A\n");
1667 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=%4.3gx", speed);
1668 av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
1671 if (print_stats || is_last_report) {
1672 const char end = is_last_report ? '\n' : '\r';
1673 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1674 fprintf(stderr, "%s %c", buf, end);
1676 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1681 if (progress_avio) {
1682 av_bprintf(&buf_script, "progress=%s\n",
1683 is_last_report ? "end" : "continue");
1684 avio_write(progress_avio, buf_script.str,
1685 FFMIN(buf_script.len, buf_script.size - 1));
1686 avio_flush(progress_avio);
1687 av_bprint_finalize(&buf_script, NULL);
1688 if (is_last_report) {
1689 if ((ret = avio_closep(&progress_avio)) < 0)
1690 av_log(NULL, AV_LOG_ERROR,
1691 "Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
1696 print_final_stats(total_size);
1699 static void flush_encoders(void)
1703 for (i = 0; i < nb_output_streams; i++) {
1704 OutputStream *ost = output_streams[i];
1705 AVCodecContext *enc = ost->enc_ctx;
1706 AVFormatContext *os = output_files[ost->file_index]->ctx;
1707 int stop_encoding = 0;
1709 if (!ost->encoding_needed)
1712 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1714 #if FF_API_LAVF_FMT_RAWPICTURE
1715 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1720 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1723 switch (enc->codec_type) {
1724 case AVMEDIA_TYPE_AUDIO:
1725 encode = avcodec_encode_audio2;
1728 case AVMEDIA_TYPE_VIDEO:
1729 encode = avcodec_encode_video2;
1740 av_init_packet(&pkt);
1744 update_benchmark(NULL);
1745 ret = encode(enc, &pkt, NULL, &got_packet);
1746 update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
1748 av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1753 if (ost->logfile && enc->stats_out) {
1754 fprintf(ost->logfile, "%s", enc->stats_out);
1760 if (ost->finished & MUXER_FINISHED) {
1761 av_packet_unref(&pkt);
1764 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1765 pkt_size = pkt.size;
1766 write_frame(os, &pkt, ost);
1767 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1768 do_video_stats(ost, pkt_size);
1779 * Check whether a packet from ist should be written into ost at this time
1781 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1783 OutputFile *of = output_files[ost->file_index];
1784 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1786 if (ost->source_index != ist_index)
1792 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1798 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1800 OutputFile *of = output_files[ost->file_index];
1801 InputFile *f = input_files [ist->file_index];
1802 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1803 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1807 av_init_packet(&opkt);
1809 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1810 !ost->copy_initial_nonkeyframes)
1813 if (!ost->frame_number && !ost->copy_prior_start) {
1814 int64_t comp_start = start_time;
1815 if (copy_ts && f->start_time != AV_NOPTS_VALUE)
1816 comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
1817 if (pkt->pts == AV_NOPTS_VALUE ?
1818 ist->pts < comp_start :
1819 pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
1823 if (of->recording_time != INT64_MAX &&
1824 ist->pts >= of->recording_time + start_time) {
1825 close_output_stream(ost);
1829 if (f->recording_time != INT64_MAX) {
1830 start_time = f->ctx->start_time;
1831 if (f->start_time != AV_NOPTS_VALUE && copy_ts)
1832 start_time += f->start_time;
1833 if (ist->pts >= f->recording_time + start_time) {
1834 close_output_stream(ost);
1839 /* force the input stream PTS */
1840 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1843 if (pkt->pts != AV_NOPTS_VALUE)
1844 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1846 opkt.pts = AV_NOPTS_VALUE;
1848 if (pkt->dts == AV_NOPTS_VALUE)
1849 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1851 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1852 opkt.dts -= ost_tb_start_time;
1854 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1855 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1857 duration = ist->dec_ctx->frame_size;
1858 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1859 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1860 ost->st->time_base) - ost_tb_start_time;
1863 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1864 opkt.flags = pkt->flags;
1865 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1866 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1867 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1868 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1869 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1871 int ret = av_parser_change(ost->parser, ost->st->codec,
1872 &opkt.data, &opkt.size,
1873 pkt->data, pkt->size,
1874 pkt->flags & AV_PKT_FLAG_KEY);
1876 av_log(NULL, AV_LOG_FATAL, "av_parser_change failed: %s\n",
1881 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1886 opkt.data = pkt->data;
1887 opkt.size = pkt->size;
1889 av_copy_packet_side_data(&opkt, pkt);
1891 #if FF_API_LAVF_FMT_RAWPICTURE
1892 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1893 ost->st->codec->codec_id == AV_CODEC_ID_RAWVIDEO &&
1894 (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1895 /* store AVPicture in AVPacket, as expected by the output format */
1896 int ret = avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1898 av_log(NULL, AV_LOG_FATAL, "avpicture_fill failed: %s\n",
1902 opkt.data = (uint8_t *)&pict;
1903 opkt.size = sizeof(AVPicture);
1904 opkt.flags |= AV_PKT_FLAG_KEY;
1908 write_frame(of->ctx, &opkt, ost);
1911 int guess_input_channel_layout(InputStream *ist)
1913 AVCodecContext *dec = ist->dec_ctx;
1915 if (!dec->channel_layout) {
1916 char layout_name[256];
1918 if (dec->channels > ist->guess_layout_max)
1920 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1921 if (!dec->channel_layout)
1923 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1924 dec->channels, dec->channel_layout);
1925 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1926 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1931 static void check_decode_result(InputStream *ist, int *got_output, int ret)
1933 if (*got_output || ret<0)
1934 decode_error_stat[ret<0] ++;
1936 if (ret < 0 && exit_on_error)
1939 if (exit_on_error && *got_output && ist) {
1940 if (av_frame_get_decode_error_flags(ist->decoded_frame) || (ist->decoded_frame->flags & AV_FRAME_FLAG_CORRUPT)) {
1941 av_log(NULL, AV_LOG_FATAL, "%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->filename, ist->st->index);
1947 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1949 AVFrame *decoded_frame, *f;
1950 AVCodecContext *avctx = ist->dec_ctx;
1951 int i, ret, err = 0, resample_changed;
1952 AVRational decoded_frame_tb;
1954 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1955 return AVERROR(ENOMEM);
1956 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1957 return AVERROR(ENOMEM);
1958 decoded_frame = ist->decoded_frame;
1960 update_benchmark(NULL);
1961 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1962 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1964 if (ret >= 0 && avctx->sample_rate <= 0) {
1965 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1966 ret = AVERROR_INVALIDDATA;
1969 check_decode_result(ist, got_output, ret);
1971 if (!*got_output || ret < 0)
1974 ist->samples_decoded += decoded_frame->nb_samples;
1975 ist->frames_decoded++;
1978 /* increment next_dts to use for the case where the input stream does not
1979 have timestamps or there are multiple frames in the packet */
1980 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1982 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1986 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1987 ist->resample_channels != avctx->channels ||
1988 ist->resample_channel_layout != decoded_frame->channel_layout ||
1989 ist->resample_sample_rate != decoded_frame->sample_rate;
1990 if (resample_changed) {
1991 char layout1[64], layout2[64];
1993 if (!guess_input_channel_layout(ist)) {
1994 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1995 "layout for Input Stream #%d.%d\n", ist->file_index,
1999 decoded_frame->channel_layout = avctx->channel_layout;
2001 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2002 ist->resample_channel_layout);
2003 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2004 decoded_frame->channel_layout);
2006 av_log(NULL, AV_LOG_INFO,
2007 "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",
2008 ist->file_index, ist->st->index,
2009 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2010 ist->resample_channels, layout1,
2011 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2012 avctx->channels, layout2);
2014 ist->resample_sample_fmt = decoded_frame->format;
2015 ist->resample_sample_rate = decoded_frame->sample_rate;
2016 ist->resample_channel_layout = decoded_frame->channel_layout;
2017 ist->resample_channels = avctx->channels;
2019 for (i = 0; i < nb_filtergraphs; i++)
2020 if (ist_in_filtergraph(filtergraphs[i], ist)) {
2021 FilterGraph *fg = filtergraphs[i];
2022 if (configure_filtergraph(fg) < 0) {
2023 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2029 /* if the decoder provides a pts, use it instead of the last packet pts.
2030 the decoder could be delaying output by a packet or more. */
2031 if (decoded_frame->pts != AV_NOPTS_VALUE) {
2032 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
2033 decoded_frame_tb = avctx->time_base;
2034 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
2035 decoded_frame->pts = decoded_frame->pkt_pts;
2036 decoded_frame_tb = ist->st->time_base;
2037 } else if (pkt->pts != AV_NOPTS_VALUE) {
2038 decoded_frame->pts = pkt->pts;
2039 decoded_frame_tb = ist->st->time_base;
2041 decoded_frame->pts = ist->dts;
2042 decoded_frame_tb = AV_TIME_BASE_Q;
2044 pkt->pts = AV_NOPTS_VALUE;
2045 if (decoded_frame->pts != AV_NOPTS_VALUE)
2046 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
2047 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
2048 (AVRational){1, avctx->sample_rate});
2049 ist->nb_samples = decoded_frame->nb_samples;
2050 for (i = 0; i < ist->nb_filters; i++) {
2051 if (i < ist->nb_filters - 1) {
2052 f = ist->filter_frame;
2053 err = av_frame_ref(f, decoded_frame);
2058 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
2059 AV_BUFFERSRC_FLAG_PUSH);
2060 if (err == AVERROR_EOF)
2061 err = 0; /* ignore */
2065 decoded_frame->pts = AV_NOPTS_VALUE;
2067 av_frame_unref(ist->filter_frame);
2068 av_frame_unref(decoded_frame);
2069 return err < 0 ? err : ret;
2072 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
2074 AVFrame *decoded_frame, *f;
2075 int i, ret = 0, err = 0, resample_changed;
2076 int64_t best_effort_timestamp;
2077 AVRational *frame_sample_aspect;
2079 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2080 return AVERROR(ENOMEM);
2081 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2082 return AVERROR(ENOMEM);
2083 decoded_frame = ist->decoded_frame;
2084 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2086 update_benchmark(NULL);
2087 ret = avcodec_decode_video2(ist->dec_ctx,
2088 decoded_frame, got_output, pkt);
2089 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2091 // The following line may be required in some cases where there is no parser
2092 // or the parser does not has_b_frames correctly
2093 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
2094 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2095 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
2097 av_log(ist->dec_ctx, AV_LOG_WARNING,
2098 "has_b_frames is larger in decoder than demuxer %d > %d.\n"
2099 "If you want to help, upload a sample "
2100 "of this file to ftp://upload.ffmpeg.org/incoming/ "
2101 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)",
2102 ist->dec_ctx->has_b_frames,
2103 ist->st->codec->has_b_frames);
2106 check_decode_result(ist, got_output, ret);
2108 if (*got_output && ret >= 0) {
2109 if (ist->dec_ctx->width != decoded_frame->width ||
2110 ist->dec_ctx->height != decoded_frame->height ||
2111 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2112 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2113 decoded_frame->width,
2114 decoded_frame->height,
2115 decoded_frame->format,
2116 ist->dec_ctx->width,
2117 ist->dec_ctx->height,
2118 ist->dec_ctx->pix_fmt);
2122 if (!*got_output || ret < 0)
2125 if(ist->top_field_first>=0)
2126 decoded_frame->top_field_first = ist->top_field_first;
2128 ist->frames_decoded++;
2130 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2131 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2135 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2137 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2138 if(best_effort_timestamp != AV_NOPTS_VALUE) {
2139 int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2141 if (ts != AV_NOPTS_VALUE)
2142 ist->next_pts = ist->pts = ts;
2146 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2147 "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",
2148 ist->st->index, av_ts2str(decoded_frame->pts),
2149 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2150 best_effort_timestamp,
2151 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2152 decoded_frame->key_frame, decoded_frame->pict_type,
2153 ist->st->time_base.num, ist->st->time_base.den);
2158 if (ist->st->sample_aspect_ratio.num)
2159 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2161 resample_changed = ist->resample_width != decoded_frame->width ||
2162 ist->resample_height != decoded_frame->height ||
2163 ist->resample_pix_fmt != decoded_frame->format;
2164 if (resample_changed) {
2165 av_log(NULL, AV_LOG_INFO,
2166 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2167 ist->file_index, ist->st->index,
2168 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2169 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2171 ist->resample_width = decoded_frame->width;
2172 ist->resample_height = decoded_frame->height;
2173 ist->resample_pix_fmt = decoded_frame->format;
2175 for (i = 0; i < nb_filtergraphs; i++) {
2176 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2177 configure_filtergraph(filtergraphs[i]) < 0) {
2178 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2184 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2185 for (i = 0; i < ist->nb_filters; i++) {
2186 if (!frame_sample_aspect->num)
2187 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2189 if (i < ist->nb_filters - 1) {
2190 f = ist->filter_frame;
2191 err = av_frame_ref(f, decoded_frame);
2196 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2197 if (ret == AVERROR_EOF) {
2198 ret = 0; /* ignore */
2199 } else if (ret < 0) {
2200 av_log(NULL, AV_LOG_FATAL,
2201 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2207 av_frame_unref(ist->filter_frame);
2208 av_frame_unref(decoded_frame);
2209 return err < 0 ? err : ret;
2212 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2214 AVSubtitle subtitle;
2215 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2216 &subtitle, got_output, pkt);
2218 check_decode_result(NULL, got_output, ret);
2220 if (ret < 0 || !*got_output) {
2222 sub2video_flush(ist);
2226 if (ist->fix_sub_duration) {
2228 if (ist->prev_sub.got_output) {
2229 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2230 1000, AV_TIME_BASE);
2231 if (end < ist->prev_sub.subtitle.end_display_time) {
2232 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2233 "Subtitle duration reduced from %d to %d%s\n",
2234 ist->prev_sub.subtitle.end_display_time, end,
2235 end <= 0 ? ", dropping it" : "");
2236 ist->prev_sub.subtitle.end_display_time = end;
2239 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2240 FFSWAP(int, ret, ist->prev_sub.ret);
2241 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2249 sub2video_update(ist, &subtitle);
2251 if (!subtitle.num_rects)
2254 ist->frames_decoded++;
2256 for (i = 0; i < nb_output_streams; i++) {
2257 OutputStream *ost = output_streams[i];
2259 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2260 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2263 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2267 avsubtitle_free(&subtitle);
2271 static int send_filter_eof(InputStream *ist)
2274 for (i = 0; i < ist->nb_filters; i++) {
2275 ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2282 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2283 static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
2289 if (!ist->saw_first_ts) {
2290 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;
2292 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2293 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2294 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2296 ist->saw_first_ts = 1;
2299 if (ist->next_dts == AV_NOPTS_VALUE)
2300 ist->next_dts = ist->dts;
2301 if (ist->next_pts == AV_NOPTS_VALUE)
2302 ist->next_pts = ist->pts;
2306 av_init_packet(&avpkt);
2314 if (pkt->dts != AV_NOPTS_VALUE) {
2315 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2316 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2317 ist->next_pts = ist->pts = ist->dts;
2320 // while we have more to decode or while the decoder did output something on EOF
2321 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2325 ist->pts = ist->next_pts;
2326 ist->dts = ist->next_dts;
2328 if (avpkt.size && avpkt.size != pkt->size &&
2329 !(ist->dec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
2330 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2331 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2332 ist->showed_multi_packet_warning = 1;
2335 switch (ist->dec_ctx->codec_type) {
2336 case AVMEDIA_TYPE_AUDIO:
2337 ret = decode_audio (ist, &avpkt, &got_output);
2339 case AVMEDIA_TYPE_VIDEO:
2340 ret = decode_video (ist, &avpkt, &got_output);
2341 if (avpkt.duration) {
2342 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2343 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2344 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2345 duration = ((int64_t)AV_TIME_BASE *
2346 ist->dec_ctx->framerate.den * ticks) /
2347 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2351 if(ist->dts != AV_NOPTS_VALUE && duration) {
2352 ist->next_dts += duration;
2354 ist->next_dts = AV_NOPTS_VALUE;
2357 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2359 case AVMEDIA_TYPE_SUBTITLE:
2360 ret = transcode_subtitles(ist, &avpkt, &got_output);
2367 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2368 ist->file_index, ist->st->index, av_err2str(ret));
2375 avpkt.pts= AV_NOPTS_VALUE;
2377 // touch data and size only if not EOF
2379 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2387 if (got_output && !pkt)
2391 /* after flushing, send an EOF on all the filter inputs attached to the stream */
2392 /* except when looping we need to flush but not to send an EOF */
2393 if (!pkt && ist->decoding_needed && !got_output && !no_eof) {
2394 int ret = send_filter_eof(ist);
2396 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
2401 /* handle stream copy */
2402 if (!ist->decoding_needed) {
2403 ist->dts = ist->next_dts;
2404 switch (ist->dec_ctx->codec_type) {
2405 case AVMEDIA_TYPE_AUDIO:
2406 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2407 ist->dec_ctx->sample_rate;
2409 case AVMEDIA_TYPE_VIDEO:
2410 if (ist->framerate.num) {
2411 // TODO: Remove work-around for c99-to-c89 issue 7
2412 AVRational time_base_q = AV_TIME_BASE_Q;
2413 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2414 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2415 } else if (pkt->duration) {
2416 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2417 } else if(ist->dec_ctx->framerate.num != 0) {
2418 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2419 ist->next_dts += ((int64_t)AV_TIME_BASE *
2420 ist->dec_ctx->framerate.den * ticks) /
2421 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2425 ist->pts = ist->dts;
2426 ist->next_pts = ist->next_dts;
2428 for (i = 0; pkt && i < nb_output_streams; i++) {
2429 OutputStream *ost = output_streams[i];
2431 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2434 do_streamcopy(ist, ost, pkt);
2440 static void print_sdp(void)
2445 AVIOContext *sdp_pb;
2446 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2450 for (i = 0, j = 0; i < nb_output_files; i++) {
2451 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2452 avc[j] = output_files[i]->ctx;
2460 av_sdp_create(avc, j, sdp, sizeof(sdp));
2462 if (!sdp_filename) {
2463 printf("SDP:\n%s\n", sdp);
2466 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2467 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2469 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2470 avio_closep(&sdp_pb);
2471 av_freep(&sdp_filename);
2479 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2482 for (i = 0; hwaccels[i].name; i++)
2483 if (hwaccels[i].pix_fmt == pix_fmt)
2484 return &hwaccels[i];
2488 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2490 InputStream *ist = s->opaque;
2491 const enum AVPixelFormat *p;
2494 for (p = pix_fmts; *p != -1; p++) {
2495 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2496 const HWAccel *hwaccel;
2498 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2501 hwaccel = get_hwaccel(*p);
2503 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2504 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2507 ret = hwaccel->init(s);
2509 if (ist->hwaccel_id == hwaccel->id) {
2510 av_log(NULL, AV_LOG_FATAL,
2511 "%s hwaccel requested for input stream #%d:%d, "
2512 "but cannot be initialized.\n", hwaccel->name,
2513 ist->file_index, ist->st->index);
2514 return AV_PIX_FMT_NONE;
2518 ist->active_hwaccel_id = hwaccel->id;
2519 ist->hwaccel_pix_fmt = *p;
2526 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2528 InputStream *ist = s->opaque;
2530 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2531 return ist->hwaccel_get_buffer(s, frame, flags);
2533 return avcodec_default_get_buffer2(s, frame, flags);
2536 static int init_input_stream(int ist_index, char *error, int error_len)
2539 InputStream *ist = input_streams[ist_index];
2541 if (ist->decoding_needed) {
2542 AVCodec *codec = ist->dec;
2544 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2545 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2546 return AVERROR(EINVAL);
2549 ist->dec_ctx->opaque = ist;
2550 ist->dec_ctx->get_format = get_format;
2551 ist->dec_ctx->get_buffer2 = get_buffer;
2552 ist->dec_ctx->thread_safe_callbacks = 1;
2554 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2555 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2556 (ist->decoding_needed & DECODING_FOR_OST)) {
2557 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2558 if (ist->decoding_needed & DECODING_FOR_FILTER)
2559 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");
2562 av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
2564 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2565 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2566 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2567 if (ret == AVERROR_EXPERIMENTAL)
2568 abort_codec_experimental(codec, 0);
2570 snprintf(error, error_len,
2571 "Error while opening decoder for input stream "
2573 ist->file_index, ist->st->index, av_err2str(ret));
2576 assert_avoptions(ist->decoder_opts);
2579 ist->next_pts = AV_NOPTS_VALUE;
2580 ist->next_dts = AV_NOPTS_VALUE;
2585 static InputStream *get_input_stream(OutputStream *ost)
2587 if (ost->source_index >= 0)
2588 return input_streams[ost->source_index];
2592 static int compare_int64(const void *a, const void *b)
2594 return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
2597 static int init_output_stream(OutputStream *ost, char *error, int error_len)
2601 if (ost->encoding_needed) {
2602 AVCodec *codec = ost->enc;
2603 AVCodecContext *dec = NULL;
2606 if ((ist = get_input_stream(ost)))
2608 if (dec && dec->subtitle_header) {
2609 /* ASS code assumes this buffer is null terminated so add extra byte. */
2610 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2611 if (!ost->enc_ctx->subtitle_header)
2612 return AVERROR(ENOMEM);
2613 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2614 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2616 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2617 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2618 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2620 !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
2621 !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
2622 av_dict_set(&ost->encoder_opts, "b", "128000", 0);
2624 if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
2625 ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
2626 if (!ost->enc_ctx->hw_frames_ctx)
2627 return AVERROR(ENOMEM);
2630 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2631 if (ret == AVERROR_EXPERIMENTAL)
2632 abort_codec_experimental(codec, 1);
2633 snprintf(error, error_len,
2634 "Error while opening encoder for output stream #%d:%d - "
2635 "maybe incorrect parameters such as bit_rate, rate, width or height",
2636 ost->file_index, ost->index);
2639 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2640 !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
2641 av_buffersink_set_frame_size(ost->filter->filter,
2642 ost->enc_ctx->frame_size);
2643 assert_avoptions(ost->encoder_opts);
2644 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2645 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2646 " It takes bits/s as argument, not kbits/s\n");
2648 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2650 av_log(NULL, AV_LOG_FATAL,
2651 "Error initializing the output stream codec context.\n");
2655 if (ost->enc_ctx->nb_coded_side_data) {
2658 ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
2659 sizeof(*ost->st->side_data));
2660 if (!ost->st->side_data)
2661 return AVERROR(ENOMEM);
2663 for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
2664 const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
2665 AVPacketSideData *sd_dst = &ost->st->side_data[i];
2667 sd_dst->data = av_malloc(sd_src->size);
2669 return AVERROR(ENOMEM);
2670 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2671 sd_dst->size = sd_src->size;
2672 sd_dst->type = sd_src->type;
2673 ost->st->nb_side_data++;
2677 // copy timebase while removing common factors
2678 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
2679 ost->st->codec->codec= ost->enc_ctx->codec;
2681 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
2683 av_log(NULL, AV_LOG_FATAL,
2684 "Error setting up codec context options.\n");
2687 // copy timebase while removing common factors
2688 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
2694 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2695 AVCodecContext *avctx)
2698 int n = 1, i, size, index = 0;
2701 for (p = kf; *p; p++)
2705 pts = av_malloc_array(size, sizeof(*pts));
2707 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2712 for (i = 0; i < n; i++) {
2713 char *next = strchr(p, ',');
2718 if (!memcmp(p, "chapters", 8)) {
2720 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2723 if (avf->nb_chapters > INT_MAX - size ||
2724 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2726 av_log(NULL, AV_LOG_FATAL,
2727 "Could not allocate forced key frames array.\n");
2730 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2731 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2733 for (j = 0; j < avf->nb_chapters; j++) {
2734 AVChapter *c = avf->chapters[j];
2735 av_assert1(index < size);
2736 pts[index++] = av_rescale_q(c->start, c->time_base,
2737 avctx->time_base) + t;
2742 t = parse_time_or_die("force_key_frames", p, 1);
2743 av_assert1(index < size);
2744 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2751 av_assert0(index == size);
2752 qsort(pts, size, sizeof(*pts), compare_int64);
2753 ost->forced_kf_count = size;
2754 ost->forced_kf_pts = pts;
2757 static void report_new_stream(int input_index, AVPacket *pkt)
2759 InputFile *file = input_files[input_index];
2760 AVStream *st = file->ctx->streams[pkt->stream_index];
2762 if (pkt->stream_index < file->nb_streams_warn)
2764 av_log(file->ctx, AV_LOG_WARNING,
2765 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2766 av_get_media_type_string(st->codec->codec_type),
2767 input_index, pkt->stream_index,
2768 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2769 file->nb_streams_warn = pkt->stream_index + 1;
2772 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2774 AVDictionaryEntry *e;
2776 uint8_t *encoder_string;
2777 int encoder_string_len;
2778 int format_flags = 0;
2779 int codec_flags = 0;
2781 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2784 e = av_dict_get(of->opts, "fflags", NULL, 0);
2786 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2789 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2791 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2793 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2796 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2799 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2800 encoder_string = av_mallocz(encoder_string_len);
2801 if (!encoder_string)
2804 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
2805 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2807 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2808 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2809 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2810 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2813 static int transcode_init(void)
2815 int ret = 0, i, j, k;
2816 AVFormatContext *oc;
2819 char error[1024] = {0};
2822 for (i = 0; i < nb_filtergraphs; i++) {
2823 FilterGraph *fg = filtergraphs[i];
2824 for (j = 0; j < fg->nb_outputs; j++) {
2825 OutputFilter *ofilter = fg->outputs[j];
2826 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2828 if (fg->nb_inputs != 1)
2830 for (k = nb_input_streams-1; k >= 0 ; k--)
2831 if (fg->inputs[0]->ist == input_streams[k])
2833 ofilter->ost->source_index = k;
2837 /* init framerate emulation */
2838 for (i = 0; i < nb_input_files; i++) {
2839 InputFile *ifile = input_files[i];
2840 if (ifile->rate_emu)
2841 for (j = 0; j < ifile->nb_streams; j++)
2842 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2845 /* for each output stream, we compute the right encoding parameters */
2846 for (i = 0; i < nb_output_streams; i++) {
2847 AVCodecContext *enc_ctx;
2848 AVCodecContext *dec_ctx = NULL;
2849 ost = output_streams[i];
2850 oc = output_files[ost->file_index]->ctx;
2851 ist = get_input_stream(ost);
2853 if (ost->attachment_filename)
2856 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2859 dec_ctx = ist->dec_ctx;
2861 ost->st->disposition = ist->st->disposition;
2862 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2863 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2865 for (j=0; j<oc->nb_streams; j++) {
2866 AVStream *st = oc->streams[j];
2867 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2870 if (j == oc->nb_streams)
2871 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2872 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2875 if (ost->stream_copy) {
2877 uint64_t extra_size;
2879 av_assert0(ist && !ost->filter);
2881 extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
2883 if (extra_size > INT_MAX) {
2884 return AVERROR(EINVAL);
2887 /* if stream_copy is selected, no need to decode or encode */
2888 enc_ctx->codec_id = dec_ctx->codec_id;
2889 enc_ctx->codec_type = dec_ctx->codec_type;
2891 if (!enc_ctx->codec_tag) {
2892 unsigned int codec_tag;
2893 if (!oc->oformat->codec_tag ||
2894 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2895 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2896 enc_ctx->codec_tag = dec_ctx->codec_tag;
2899 enc_ctx->bit_rate = dec_ctx->bit_rate;
2900 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2901 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2902 enc_ctx->field_order = dec_ctx->field_order;
2903 if (dec_ctx->extradata_size) {
2904 enc_ctx->extradata = av_mallocz(extra_size);
2905 if (!enc_ctx->extradata) {
2906 return AVERROR(ENOMEM);
2908 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2910 enc_ctx->extradata_size= dec_ctx->extradata_size;
2911 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2913 enc_ctx->time_base = ist->st->time_base;
2915 * Avi is a special case here because it supports variable fps but
2916 * having the fps and timebase differe significantly adds quite some
2919 if(!strcmp(oc->oformat->name, "avi")) {
2920 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2921 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2922 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2923 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2925 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2926 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2927 enc_ctx->ticks_per_frame = 2;
2928 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2929 && av_q2d(ist->st->time_base) < 1.0/500
2931 enc_ctx->time_base = dec_ctx->time_base;
2932 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2933 enc_ctx->time_base.den *= 2;
2934 enc_ctx->ticks_per_frame = 2;
2936 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2937 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2938 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2939 && strcmp(oc->oformat->name, "f4v")
2941 if( copy_tb<0 && dec_ctx->time_base.den
2942 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2943 && av_q2d(ist->st->time_base) < 1.0/500
2945 enc_ctx->time_base = dec_ctx->time_base;
2946 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2949 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2950 && dec_ctx->time_base.num < dec_ctx->time_base.den
2951 && dec_ctx->time_base.num > 0
2952 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2953 enc_ctx->time_base = dec_ctx->time_base;
2956 if (!ost->frame_rate.num)
2957 ost->frame_rate = ist->framerate;
2958 if(ost->frame_rate.num)
2959 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2961 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2962 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2964 if (ist->st->nb_side_data) {
2965 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2966 sizeof(*ist->st->side_data));
2967 if (!ost->st->side_data)
2968 return AVERROR(ENOMEM);
2970 ost->st->nb_side_data = 0;
2971 for (j = 0; j < ist->st->nb_side_data; j++) {
2972 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2973 AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
2975 if (ost->rotate_overridden && sd_src->type == AV_PKT_DATA_DISPLAYMATRIX)
2978 sd_dst->data = av_malloc(sd_src->size);
2980 return AVERROR(ENOMEM);
2981 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2982 sd_dst->size = sd_src->size;
2983 sd_dst->type = sd_src->type;
2984 ost->st->nb_side_data++;
2988 ost->parser = av_parser_init(enc_ctx->codec_id);
2990 switch (enc_ctx->codec_type) {
2991 case AVMEDIA_TYPE_AUDIO:
2992 if (audio_volume != 256) {
2993 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2996 enc_ctx->channel_layout = dec_ctx->channel_layout;
2997 enc_ctx->sample_rate = dec_ctx->sample_rate;
2998 enc_ctx->channels = dec_ctx->channels;
2999 enc_ctx->frame_size = dec_ctx->frame_size;
3000 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
3001 enc_ctx->block_align = dec_ctx->block_align;
3002 enc_ctx->initial_padding = dec_ctx->delay;
3003 enc_ctx->profile = dec_ctx->profile;
3004 #if FF_API_AUDIOENC_DELAY
3005 enc_ctx->delay = dec_ctx->delay;
3007 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
3008 enc_ctx->block_align= 0;
3009 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
3010 enc_ctx->block_align= 0;
3012 case AVMEDIA_TYPE_VIDEO:
3013 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
3014 enc_ctx->width = dec_ctx->width;
3015 enc_ctx->height = dec_ctx->height;
3016 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
3017 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
3019 av_mul_q(ost->frame_aspect_ratio,
3020 (AVRational){ enc_ctx->height, enc_ctx->width });
3021 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
3022 "with stream copy may produce invalid files\n");
3024 else if (ist->st->sample_aspect_ratio.num)
3025 sar = ist->st->sample_aspect_ratio;
3027 sar = dec_ctx->sample_aspect_ratio;
3028 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
3029 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
3030 ost->st->r_frame_rate = ist->st->r_frame_rate;
3032 case AVMEDIA_TYPE_SUBTITLE:
3033 enc_ctx->width = dec_ctx->width;
3034 enc_ctx->height = dec_ctx->height;
3036 case AVMEDIA_TYPE_UNKNOWN:
3037 case AVMEDIA_TYPE_DATA:
3038 case AVMEDIA_TYPE_ATTACHMENT:
3045 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
3047 /* should only happen when a default codec is not present. */
3048 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
3049 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
3050 ret = AVERROR(EINVAL);
3054 set_encoder_id(output_files[ost->file_index], ost);
3057 if (qsv_transcode_init(ost))
3062 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3063 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
3065 fg = init_simple_filtergraph(ist, ost);
3066 if (configure_filtergraph(fg)) {
3067 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
3072 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
3073 if (!ost->frame_rate.num)
3074 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
3075 if (ist && !ost->frame_rate.num)
3076 ost->frame_rate = ist->framerate;
3077 if (ist && !ost->frame_rate.num)
3078 ost->frame_rate = ist->st->r_frame_rate;
3079 if (ist && !ost->frame_rate.num) {
3080 ost->frame_rate = (AVRational){25, 1};
3081 av_log(NULL, AV_LOG_WARNING,
3083 "about the input framerate is available. Falling "
3084 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
3085 "if you want a different framerate.\n",
3086 ost->file_index, ost->index);
3088 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
3089 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
3090 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3091 ost->frame_rate = ost->enc->supported_framerates[idx];
3093 // reduce frame rate for mpeg4 to be within the spec limits
3094 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
3095 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
3096 ost->frame_rate.num, ost->frame_rate.den, 65535);
3100 switch (enc_ctx->codec_type) {
3101 case AVMEDIA_TYPE_AUDIO:
3102 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
3103 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
3104 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
3105 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
3106 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
3108 case AVMEDIA_TYPE_VIDEO:
3109 enc_ctx->time_base = av_inv_q(ost->frame_rate);
3110 if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
3111 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
3112 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3113 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
3114 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3115 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3117 for (j = 0; j < ost->forced_kf_count; j++)
3118 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3120 enc_ctx->time_base);
3122 enc_ctx->width = ost->filter->filter->inputs[0]->w;
3123 enc_ctx->height = ost->filter->filter->inputs[0]->h;
3124 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3125 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
3126 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
3127 ost->filter->filter->inputs[0]->sample_aspect_ratio;
3128 if (!strncmp(ost->enc->name, "libx264", 7) &&
3129 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
3130 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
3131 av_log(NULL, AV_LOG_WARNING,
3132 "No pixel format specified, %s for H.264 encoding chosen.\n"
3133 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
3134 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
3135 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
3136 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
3137 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
3138 av_log(NULL, AV_LOG_WARNING,
3139 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
3140 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
3141 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
3142 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
3144 ost->st->avg_frame_rate = ost->frame_rate;
3147 enc_ctx->width != dec_ctx->width ||
3148 enc_ctx->height != dec_ctx->height ||
3149 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
3150 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
3153 if (ost->forced_keyframes) {
3154 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
3155 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
3156 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
3158 av_log(NULL, AV_LOG_ERROR,
3159 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
3162 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
3163 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
3164 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
3165 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
3167 // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
3168 // parse it only for static kf timings
3169 } else if(strncmp(ost->forced_keyframes, "source", 6)) {
3170 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
3174 case AVMEDIA_TYPE_SUBTITLE:
3175 enc_ctx->time_base = (AVRational){1, 1000};
3176 if (!enc_ctx->width) {
3177 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
3178 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
3181 case AVMEDIA_TYPE_DATA:
3189 if (ost->disposition) {
3190 static const AVOption opts[] = {
3191 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3192 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3193 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3194 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3195 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3196 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3197 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3198 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3199 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3200 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3201 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3202 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3203 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3204 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3207 static const AVClass class = {
3209 .item_name = av_default_item_name,
3211 .version = LIBAVUTIL_VERSION_INT,
3213 const AVClass *pclass = &class;
3215 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3221 /* init input streams */
3222 for (i = 0; i < nb_input_streams; i++)
3223 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3224 for (i = 0; i < nb_output_streams; i++) {
3225 ost = output_streams[i];
3226 avcodec_close(ost->enc_ctx);
3231 /* open each encoder */
3232 for (i = 0; i < nb_output_streams; i++) {
3233 ret = init_output_stream(output_streams[i], error, sizeof(error));
3238 /* discard unused programs */
3239 for (i = 0; i < nb_input_files; i++) {
3240 InputFile *ifile = input_files[i];
3241 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3242 AVProgram *p = ifile->ctx->programs[j];
3243 int discard = AVDISCARD_ALL;
3245 for (k = 0; k < p->nb_stream_indexes; k++)
3246 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3247 discard = AVDISCARD_DEFAULT;
3250 p->discard = discard;
3254 /* open files and write file headers */
3255 for (i = 0; i < nb_output_files; i++) {
3256 oc = output_files[i]->ctx;
3257 oc->interrupt_callback = int_cb;
3258 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3259 snprintf(error, sizeof(error),
3260 "Could not write header for output file #%d "
3261 "(incorrect codec parameters ?): %s",
3262 i, av_err2str(ret));
3263 ret = AVERROR(EINVAL);
3266 // assert_avoptions(output_files[i]->opts);
3267 if (strcmp(oc->oformat->name, "rtp")) {
3273 /* dump the file output parameters - cannot be done before in case
3275 for (i = 0; i < nb_output_files; i++) {
3276 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3279 /* dump the stream mapping */
3280 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3281 for (i = 0; i < nb_input_streams; i++) {
3282 ist = input_streams[i];
3284 for (j = 0; j < ist->nb_filters; j++) {
3285 if (ist->filters[j]->graph->graph_desc) {
3286 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3287 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3288 ist->filters[j]->name);
3289 if (nb_filtergraphs > 1)
3290 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3291 av_log(NULL, AV_LOG_INFO, "\n");
3296 for (i = 0; i < nb_output_streams; i++) {
3297 ost = output_streams[i];
3299 if (ost->attachment_filename) {
3300 /* an attached file */
3301 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3302 ost->attachment_filename, ost->file_index, ost->index);
3306 if (ost->filter && ost->filter->graph->graph_desc) {
3307 /* output from a complex graph */
3308 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3309 if (nb_filtergraphs > 1)
3310 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3312 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3313 ost->index, ost->enc ? ost->enc->name : "?");
3317 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3318 input_streams[ost->source_index]->file_index,
3319 input_streams[ost->source_index]->st->index,
3322 if (ost->sync_ist != input_streams[ost->source_index])
3323 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3324 ost->sync_ist->file_index,
3325 ost->sync_ist->st->index);
3326 if (ost->stream_copy)
3327 av_log(NULL, AV_LOG_INFO, " (copy)");
3329 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3330 const AVCodec *out_codec = ost->enc;
3331 const char *decoder_name = "?";
3332 const char *in_codec_name = "?";
3333 const char *encoder_name = "?";
3334 const char *out_codec_name = "?";
3335 const AVCodecDescriptor *desc;
3338 decoder_name = in_codec->name;
3339 desc = avcodec_descriptor_get(in_codec->id);
3341 in_codec_name = desc->name;
3342 if (!strcmp(decoder_name, in_codec_name))
3343 decoder_name = "native";
3347 encoder_name = out_codec->name;
3348 desc = avcodec_descriptor_get(out_codec->id);
3350 out_codec_name = desc->name;
3351 if (!strcmp(encoder_name, out_codec_name))
3352 encoder_name = "native";
3355 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3356 in_codec_name, decoder_name,
3357 out_codec_name, encoder_name);
3359 av_log(NULL, AV_LOG_INFO, "\n");
3363 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3367 if (sdp_filename || want_sdp) {
3371 transcode_init_done = 1;
3376 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3377 static int need_output(void)
3381 for (i = 0; i < nb_output_streams; i++) {
3382 OutputStream *ost = output_streams[i];
3383 OutputFile *of = output_files[ost->file_index];
3384 AVFormatContext *os = output_files[ost->file_index]->ctx;
3386 if (ost->finished ||
3387 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3389 if (ost->frame_number >= ost->max_frames) {
3391 for (j = 0; j < of->ctx->nb_streams; j++)
3392 close_output_stream(output_streams[of->ost_index + j]);
3403 * Select the output stream to process.
3405 * @return selected output stream, or NULL if none available
3407 static OutputStream *choose_output(void)
3410 int64_t opts_min = INT64_MAX;
3411 OutputStream *ost_min = NULL;
3413 for (i = 0; i < nb_output_streams; i++) {
3414 OutputStream *ost = output_streams[i];
3415 int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
3416 av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3418 if (ost->st->cur_dts == AV_NOPTS_VALUE)
3419 av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid (this is harmless if it occurs once at the start per stream)\n");
3421 if (!ost->finished && opts < opts_min) {
3423 ost_min = ost->unavailable ? NULL : ost;
3429 static void set_tty_echo(int on)
3433 if (tcgetattr(0, &tty) == 0) {
3434 if (on) tty.c_lflag |= ECHO;
3435 else tty.c_lflag &= ~ECHO;
3436 tcsetattr(0, TCSANOW, &tty);
3441 static int check_keyboard_interaction(int64_t cur_time)
3444 static int64_t last_time;
3445 if (received_nb_signals)
3446 return AVERROR_EXIT;
3447 /* read_key() returns 0 on EOF */
3448 if(cur_time - last_time >= 100000 && !run_as_daemon){
3450 last_time = cur_time;
3454 return AVERROR_EXIT;
3455 if (key == '+') av_log_set_level(av_log_get_level()+10);
3456 if (key == '-') av_log_set_level(av_log_get_level()-10);
3457 if (key == 's') qp_hist ^= 1;
3460 do_hex_dump = do_pkt_dump = 0;
3461 } else if(do_pkt_dump){
3465 av_log_set_level(AV_LOG_DEBUG);
3467 if (key == 'c' || key == 'C'){
3468 char buf[4096], target[64], command[256], arg[256] = {0};
3471 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3474 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3479 fprintf(stderr, "\n");
3481 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3482 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3483 target, time, command, arg);
3484 for (i = 0; i < nb_filtergraphs; i++) {
3485 FilterGraph *fg = filtergraphs[i];
3488 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3489 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3490 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3491 } else if (key == 'c') {
3492 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3493 ret = AVERROR_PATCHWELCOME;
3495 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3497 fprintf(stderr, "Queing command failed with error %s\n", av_err2str(ret));
3502 av_log(NULL, AV_LOG_ERROR,
3503 "Parse error, at least 3 arguments were expected, "
3504 "only %d given in string '%s'\n", n, buf);
3507 if (key == 'd' || key == 'D'){
3510 debug = input_streams[0]->st->codec->debug<<1;
3511 if(!debug) debug = 1;
3512 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3519 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3524 fprintf(stderr, "\n");
3525 if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
3526 fprintf(stderr,"error parsing debug value\n");
3528 for(i=0;i<nb_input_streams;i++) {
3529 input_streams[i]->st->codec->debug = debug;
3531 for(i=0;i<nb_output_streams;i++) {
3532 OutputStream *ost = output_streams[i];
3533 ost->enc_ctx->debug = debug;
3535 if(debug) av_log_set_level(AV_LOG_DEBUG);
3536 fprintf(stderr,"debug=%d\n", debug);
3539 fprintf(stderr, "key function\n"
3540 "? show this help\n"
3541 "+ increase verbosity\n"
3542 "- decrease verbosity\n"
3543 "c Send command to first matching filter supporting it\n"
3544 "C Send/Que command to all matching filters\n"
3545 "D cycle through available debug modes\n"
3546 "h dump packets/hex press to cycle through the 3 states\n"
3548 "s Show QP histogram\n"
3555 static void *input_thread(void *arg)
3558 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3563 ret = av_read_frame(f->ctx, &pkt);
3565 if (ret == AVERROR(EAGAIN)) {
3570 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3573 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3574 if (flags && ret == AVERROR(EAGAIN)) {
3576 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3577 av_log(f->ctx, AV_LOG_WARNING,
3578 "Thread message queue blocking; consider raising the "
3579 "thread_queue_size option (current value: %d)\n",
3580 f->thread_queue_size);
3583 if (ret != AVERROR_EOF)
3584 av_log(f->ctx, AV_LOG_ERROR,
3585 "Unable to send packet to main thread: %s\n",
3587 av_packet_unref(&pkt);
3588 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3596 static void free_input_threads(void)
3600 for (i = 0; i < nb_input_files; i++) {
3601 InputFile *f = input_files[i];
3604 if (!f || !f->in_thread_queue)
3606 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3607 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3608 av_packet_unref(&pkt);
3610 pthread_join(f->thread, NULL);
3612 av_thread_message_queue_free(&f->in_thread_queue);
3616 static int init_input_threads(void)
3620 if (nb_input_files == 1)
3623 for (i = 0; i < nb_input_files; i++) {
3624 InputFile *f = input_files[i];
3626 if (f->ctx->pb ? !f->ctx->pb->seekable :
3627 strcmp(f->ctx->iformat->name, "lavfi"))
3628 f->non_blocking = 1;
3629 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3630 f->thread_queue_size, sizeof(AVPacket));
3634 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3635 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3636 av_thread_message_queue_free(&f->in_thread_queue);
3637 return AVERROR(ret);
3643 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3645 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3647 AV_THREAD_MESSAGE_NONBLOCK : 0);
3651 static int get_input_packet(InputFile *f, AVPacket *pkt)
3655 for (i = 0; i < f->nb_streams; i++) {
3656 InputStream *ist = input_streams[f->ist_index + i];
3657 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3658 int64_t now = av_gettime_relative() - ist->start;
3660 return AVERROR(EAGAIN);
3665 if (nb_input_files > 1)
3666 return get_input_packet_mt(f, pkt);
3668 return av_read_frame(f->ctx, pkt);
3671 static int got_eagain(void)
3674 for (i = 0; i < nb_output_streams; i++)
3675 if (output_streams[i]->unavailable)
3680 static void reset_eagain(void)
3683 for (i = 0; i < nb_input_files; i++)
3684 input_files[i]->eagain = 0;
3685 for (i = 0; i < nb_output_streams; i++)
3686 output_streams[i]->unavailable = 0;
3689 // set duration to max(tmp, duration) in a proper time base and return duration's time_base
3690 static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
3691 AVRational time_base)
3697 return tmp_time_base;
3700 ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
3703 return tmp_time_base;
3709 static int seek_to_start(InputFile *ifile, AVFormatContext *is)
3712 AVCodecContext *avctx;
3713 int i, ret, has_audio = 0;
3714 int64_t duration = 0;
3716 ret = av_seek_frame(is, -1, is->start_time, 0);
3720 for (i = 0; i < ifile->nb_streams; i++) {
3721 ist = input_streams[ifile->ist_index + i];
3722 avctx = ist->dec_ctx;
3725 if (ist->decoding_needed) {
3726 process_input_packet(ist, NULL, 1);
3727 avcodec_flush_buffers(avctx);
3730 /* duration is the length of the last frame in a stream
3731 * when audio stream is present we don't care about
3732 * last video frame length because it's not defined exactly */
3733 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
3737 for (i = 0; i < ifile->nb_streams; i++) {
3738 ist = input_streams[ifile->ist_index + i];
3739 avctx = ist->dec_ctx;
3742 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
3743 AVRational sample_rate = {1, avctx->sample_rate};
3745 duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
3749 if (ist->framerate.num) {
3750 duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
3751 } else if (ist->st->avg_frame_rate.num) {
3752 duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
3753 } else duration = 1;
3755 if (!ifile->duration)
3756 ifile->time_base = ist->st->time_base;
3757 /* the total duration of the stream, max_pts - min_pts is
3758 * the duration of the stream without the last frame */
3759 duration += ist->max_pts - ist->min_pts;
3760 ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
3764 if (ifile->loop > 0)
3772 * - 0 -- one packet was read and processed
3773 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3774 * this function should be called again
3775 * - AVERROR_EOF -- this function should not be called again
3777 static int process_input(int file_index)
3779 InputFile *ifile = input_files[file_index];
3780 AVFormatContext *is;
3788 ret = get_input_packet(ifile, &pkt);
3790 if (ret == AVERROR(EAGAIN)) {
3794 if (ret < 0 && ifile->loop) {
3795 if ((ret = seek_to_start(ifile, is)) < 0)
3797 ret = get_input_packet(ifile, &pkt);
3800 if (ret != AVERROR_EOF) {
3801 print_error(is->filename, ret);
3806 for (i = 0; i < ifile->nb_streams; i++) {
3807 ist = input_streams[ifile->ist_index + i];
3808 if (ist->decoding_needed) {
3809 ret = process_input_packet(ist, NULL, 0);
3814 /* mark all outputs that don't go through lavfi as finished */
3815 for (j = 0; j < nb_output_streams; j++) {
3816 OutputStream *ost = output_streams[j];
3818 if (ost->source_index == ifile->ist_index + i &&
3819 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3820 finish_output_stream(ost);
3824 ifile->eof_reached = 1;
3825 return AVERROR(EAGAIN);
3831 av_pkt_dump_log2(NULL, AV_LOG_INFO, &pkt, do_hex_dump,
3832 is->streams[pkt.stream_index]);
3834 /* the following test is needed in case new streams appear
3835 dynamically in stream : we ignore them */
3836 if (pkt.stream_index >= ifile->nb_streams) {
3837 report_new_stream(file_index, &pkt);
3838 goto discard_packet;
3841 ist = input_streams[ifile->ist_index + pkt.stream_index];
3843 ist->data_size += pkt.size;
3847 goto discard_packet;
3849 if (exit_on_error && (pkt.flags & AV_PKT_FLAG_CORRUPT)) {
3850 av_log(NULL, AV_LOG_FATAL, "%s: corrupt input packet in stream %d\n", is->filename, pkt.stream_index);
3855 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3856 "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",
3857 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3858 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3859 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3860 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3861 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3862 av_ts2str(input_files[ist->file_index]->ts_offset),
3863 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3866 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3867 int64_t stime, stime2;
3868 // Correcting starttime based on the enabled streams
3869 // 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.
3870 // so we instead do it here as part of discontinuity handling
3871 if ( ist->next_dts == AV_NOPTS_VALUE
3872 && ifile->ts_offset == -is->start_time
3873 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3874 int64_t new_start_time = INT64_MAX;
3875 for (i=0; i<is->nb_streams; i++) {
3876 AVStream *st = is->streams[i];
3877 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3879 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3881 if (new_start_time > is->start_time) {
3882 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3883 ifile->ts_offset = -new_start_time;
3887 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3888 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3889 ist->wrap_correction_done = 1;
3891 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3892 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3893 ist->wrap_correction_done = 0;
3895 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3896 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3897 ist->wrap_correction_done = 0;
3901 /* add the stream-global side data to the first packet */
3902 if (ist->nb_packets == 1) {
3903 if (ist->st->nb_side_data)
3904 av_packet_split_side_data(&pkt);
3905 for (i = 0; i < ist->st->nb_side_data; i++) {
3906 AVPacketSideData *src_sd = &ist->st->side_data[i];
3909 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3911 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3914 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3918 memcpy(dst_data, src_sd->data, src_sd->size);
3922 if (pkt.dts != AV_NOPTS_VALUE)
3923 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3924 if (pkt.pts != AV_NOPTS_VALUE)
3925 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3927 if (pkt.pts != AV_NOPTS_VALUE)
3928 pkt.pts *= ist->ts_scale;
3929 if (pkt.dts != AV_NOPTS_VALUE)
3930 pkt.dts *= ist->ts_scale;
3932 pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
3933 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3934 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3935 pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3936 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3937 int64_t delta = pkt_dts - ifile->last_ts;
3938 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3939 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3940 ifile->ts_offset -= delta;
3941 av_log(NULL, AV_LOG_DEBUG,
3942 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3943 delta, ifile->ts_offset);
3944 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3945 if (pkt.pts != AV_NOPTS_VALUE)
3946 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3950 duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
3951 if (pkt.pts != AV_NOPTS_VALUE) {
3952 pkt.pts += duration;
3953 ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
3954 ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
3957 if (pkt.dts != AV_NOPTS_VALUE)
3958 pkt.dts += duration;
3960 pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
3961 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3962 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3963 pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3965 int64_t delta = pkt_dts - ist->next_dts;
3966 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3967 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3968 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3969 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3970 ifile->ts_offset -= delta;
3971 av_log(NULL, AV_LOG_DEBUG,
3972 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3973 delta, ifile->ts_offset);
3974 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3975 if (pkt.pts != AV_NOPTS_VALUE)
3976 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3979 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3980 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3981 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3982 pkt.dts = AV_NOPTS_VALUE;
3984 if (pkt.pts != AV_NOPTS_VALUE){
3985 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3986 delta = pkt_pts - ist->next_dts;
3987 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3988 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3989 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3990 pkt.pts = AV_NOPTS_VALUE;
3996 if (pkt.dts != AV_NOPTS_VALUE)
3997 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
4000 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",
4001 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
4002 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4003 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4004 av_ts2str(input_files[ist->file_index]->ts_offset),
4005 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4008 sub2video_heartbeat(ist, pkt.pts);
4010 process_input_packet(ist, &pkt, 0);
4013 av_packet_unref(&pkt);
4019 * Perform a step of transcoding for the specified filter graph.
4021 * @param[in] graph filter graph to consider
4022 * @param[out] best_ist input stream where a frame would allow to continue
4023 * @return 0 for success, <0 for error
4025 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
4028 int nb_requests, nb_requests_max = 0;
4029 InputFilter *ifilter;
4033 ret = avfilter_graph_request_oldest(graph->graph);
4035 return reap_filters(0);
4037 if (ret == AVERROR_EOF) {
4038 ret = reap_filters(1);
4039 for (i = 0; i < graph->nb_outputs; i++)
4040 close_output_stream(graph->outputs[i]->ost);
4043 if (ret != AVERROR(EAGAIN))
4046 for (i = 0; i < graph->nb_inputs; i++) {
4047 ifilter = graph->inputs[i];
4049 if (input_files[ist->file_index]->eagain ||
4050 input_files[ist->file_index]->eof_reached)
4052 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
4053 if (nb_requests > nb_requests_max) {
4054 nb_requests_max = nb_requests;
4060 for (i = 0; i < graph->nb_outputs; i++)
4061 graph->outputs[i]->ost->unavailable = 1;
4067 * Run a single step of transcoding.
4069 * @return 0 for success, <0 for error
4071 static int transcode_step(void)
4077 ost = choose_output();
4084 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
4089 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
4094 av_assert0(ost->source_index >= 0);
4095 ist = input_streams[ost->source_index];
4098 ret = process_input(ist->file_index);
4099 if (ret == AVERROR(EAGAIN)) {
4100 if (input_files[ist->file_index]->eagain)
4101 ost->unavailable = 1;
4106 return ret == AVERROR_EOF ? 0 : ret;
4108 return reap_filters(0);
4112 * The following code is the main loop of the file converter
4114 static int transcode(void)
4117 AVFormatContext *os;
4120 int64_t timer_start;
4121 int64_t total_packets_written = 0;
4123 ret = transcode_init();
4127 if (stdin_interaction) {
4128 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
4131 timer_start = av_gettime_relative();
4134 if ((ret = init_input_threads()) < 0)
4138 while (!received_sigterm) {
4139 int64_t cur_time= av_gettime_relative();
4141 /* if 'q' pressed, exits */
4142 if (stdin_interaction)
4143 if (check_keyboard_interaction(cur_time) < 0)
4146 /* check if there's any stream where output is still needed */
4147 if (!need_output()) {
4148 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
4152 ret = transcode_step();
4153 if (ret < 0 && ret != AVERROR_EOF) {
4155 av_strerror(ret, errbuf, sizeof(errbuf));
4157 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
4161 /* dump report by using the output first video and audio streams */
4162 print_report(0, timer_start, cur_time);
4165 free_input_threads();
4168 /* at the end of stream, we must flush the decoder buffers */
4169 for (i = 0; i < nb_input_streams; i++) {
4170 ist = input_streams[i];
4171 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
4172 process_input_packet(ist, NULL, 0);
4179 /* write the trailer if needed and close file */
4180 for (i = 0; i < nb_output_files; i++) {
4181 os = output_files[i]->ctx;
4182 if ((ret = av_write_trailer(os)) < 0) {
4183 av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s", os->filename, av_err2str(ret));
4189 /* dump report by using the first video and audio streams */
4190 print_report(1, timer_start, av_gettime_relative());
4192 /* close each encoder */
4193 for (i = 0; i < nb_output_streams; i++) {
4194 ost = output_streams[i];
4195 if (ost->encoding_needed) {
4196 av_freep(&ost->enc_ctx->stats_in);
4198 total_packets_written += ost->packets_written;
4201 if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
4202 av_log(NULL, AV_LOG_FATAL, "Empty output\n");
4206 /* close each decoder */
4207 for (i = 0; i < nb_input_streams; i++) {
4208 ist = input_streams[i];
4209 if (ist->decoding_needed) {
4210 avcodec_close(ist->dec_ctx);
4211 if (ist->hwaccel_uninit)
4212 ist->hwaccel_uninit(ist->dec_ctx);
4221 free_input_threads();
4224 if (output_streams) {
4225 for (i = 0; i < nb_output_streams; i++) {
4226 ost = output_streams[i];
4229 if (fclose(ost->logfile))
4230 av_log(NULL, AV_LOG_ERROR,
4231 "Error closing logfile, loss of information possible: %s\n",
4232 av_err2str(AVERROR(errno)));
4233 ost->logfile = NULL;
4235 av_freep(&ost->forced_kf_pts);
4236 av_freep(&ost->apad);
4237 av_freep(&ost->disposition);
4238 av_dict_free(&ost->encoder_opts);
4239 av_dict_free(&ost->sws_dict);
4240 av_dict_free(&ost->swr_opts);
4241 av_dict_free(&ost->resample_opts);
4249 static int64_t getutime(void)
4252 struct rusage rusage;
4254 getrusage(RUSAGE_SELF, &rusage);
4255 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4256 #elif HAVE_GETPROCESSTIMES
4258 FILETIME c, e, k, u;
4259 proc = GetCurrentProcess();
4260 GetProcessTimes(proc, &c, &e, &k, &u);
4261 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4263 return av_gettime_relative();
4267 static int64_t getmaxrss(void)
4269 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4270 struct rusage rusage;
4271 getrusage(RUSAGE_SELF, &rusage);
4272 return (int64_t)rusage.ru_maxrss * 1024;
4273 #elif HAVE_GETPROCESSMEMORYINFO
4275 PROCESS_MEMORY_COUNTERS memcounters;
4276 proc = GetCurrentProcess();
4277 memcounters.cb = sizeof(memcounters);
4278 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4279 return memcounters.PeakPagefileUsage;
4285 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4289 int main(int argc, char **argv)
4294 register_exit(ffmpeg_cleanup);
4296 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4298 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4299 parse_loglevel(argc, argv, options);
4301 if(argc>1 && !strcmp(argv[1], "-d")){
4303 av_log_set_callback(log_callback_null);
4308 avcodec_register_all();
4310 avdevice_register_all();
4312 avfilter_register_all();
4314 avformat_network_init();
4316 show_banner(argc, argv, options);
4320 /* parse options and open all input/output files */
4321 ret = ffmpeg_parse_options(argc, argv);
4325 if (nb_output_files <= 0 && nb_input_files == 0) {
4327 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4331 /* file converter / grab */
4332 if (nb_output_files <= 0) {
4333 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4337 // if (nb_input_files == 0) {
4338 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4342 current_time = ti = getutime();
4343 if (transcode() < 0)
4345 ti = getutime() - ti;
4347 av_log(NULL, AV_LOG_INFO, "bench: utime=%0.3fs\n", ti / 1000000.0);
4349 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4350 decode_error_stat[0], decode_error_stat[1]);
4351 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4354 exit_program(received_nb_signals ? 255 : main_return_code);
4355 return main_return_code;