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;
201 pal = (uint32_t *)r->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->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);
721 if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
722 pkt->dts != AV_NOPTS_VALUE &&
723 !(avctx->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
724 ost->last_mux_dts != AV_NOPTS_VALUE) {
725 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
726 if (pkt->dts < max) {
727 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
728 av_log(s, loglevel, "Non-monotonous DTS in output stream "
729 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
730 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
732 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
735 av_log(s, loglevel, "changing to %"PRId64". This may result "
736 "in incorrect timestamps in the output file.\n",
738 if (pkt->pts >= pkt->dts)
739 pkt->pts = FFMAX(pkt->pts, max);
744 ost->last_mux_dts = pkt->dts;
746 ost->data_size += pkt->size;
747 ost->packets_written++;
749 pkt->stream_index = ost->index;
752 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
753 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
754 av_get_media_type_string(ost->enc_ctx->codec_type),
755 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
756 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
761 ret = av_interleaved_write_frame(s, pkt);
763 print_error("av_interleaved_write_frame()", ret);
764 main_return_code = 1;
765 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
767 av_packet_unref(pkt);
770 static void close_output_stream(OutputStream *ost)
772 OutputFile *of = output_files[ost->file_index];
774 ost->finished |= ENCODER_FINISHED;
776 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
777 of->recording_time = FFMIN(of->recording_time, end);
781 static int check_recording_time(OutputStream *ost)
783 OutputFile *of = output_files[ost->file_index];
785 if (of->recording_time != INT64_MAX &&
786 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
787 AV_TIME_BASE_Q) >= 0) {
788 close_output_stream(ost);
794 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
797 AVCodecContext *enc = ost->enc_ctx;
801 av_init_packet(&pkt);
805 if (!check_recording_time(ost))
808 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
809 frame->pts = ost->sync_opts;
810 ost->sync_opts = frame->pts + frame->nb_samples;
811 ost->samples_encoded += frame->nb_samples;
812 ost->frames_encoded++;
814 av_assert0(pkt.size || !pkt.data);
815 update_benchmark(NULL);
817 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
818 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
819 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
820 enc->time_base.num, enc->time_base.den);
823 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
824 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
827 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
830 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
833 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
834 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
835 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
836 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
839 write_frame(s, &pkt, ost);
843 static void do_subtitle_out(AVFormatContext *s,
848 int subtitle_out_max_size = 1024 * 1024;
849 int subtitle_out_size, nb, i;
854 if (sub->pts == AV_NOPTS_VALUE) {
855 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
864 subtitle_out = av_malloc(subtitle_out_max_size);
866 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
871 /* Note: DVB subtitle need one packet to draw them and one other
872 packet to clear them */
873 /* XXX: signal it in the codec context ? */
874 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
879 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
881 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
882 pts -= output_files[ost->file_index]->start_time;
883 for (i = 0; i < nb; i++) {
884 unsigned save_num_rects = sub->num_rects;
886 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
887 if (!check_recording_time(ost))
891 // start_display_time is required to be 0
892 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
893 sub->end_display_time -= sub->start_display_time;
894 sub->start_display_time = 0;
898 ost->frames_encoded++;
900 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
901 subtitle_out_max_size, sub);
903 sub->num_rects = save_num_rects;
904 if (subtitle_out_size < 0) {
905 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
909 av_init_packet(&pkt);
910 pkt.data = subtitle_out;
911 pkt.size = subtitle_out_size;
912 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
913 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
914 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
915 /* XXX: the pts correction is handled here. Maybe handling
916 it in the codec would be better */
918 pkt.pts += 90 * sub->start_display_time;
920 pkt.pts += 90 * sub->end_display_time;
923 write_frame(s, &pkt, ost);
927 static void do_video_out(AVFormatContext *s,
929 AVFrame *next_picture,
932 int ret, format_video_sync;
934 AVCodecContext *enc = ost->enc_ctx;
935 AVCodecContext *mux_enc = ost->st->codec;
936 int nb_frames, nb0_frames, i;
937 double delta, delta0;
940 InputStream *ist = NULL;
941 AVFilterContext *filter = ost->filter->filter;
943 if (ost->source_index >= 0)
944 ist = input_streams[ost->source_index];
946 if (filter->inputs[0]->frame_rate.num > 0 &&
947 filter->inputs[0]->frame_rate.den > 0)
948 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
950 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
951 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
953 if (!ost->filters_script &&
957 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
958 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
963 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
964 ost->last_nb0_frames[1],
965 ost->last_nb0_frames[2]);
967 delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output.
968 delta = delta0 + duration;
970 /* by default, we output a single frame */
971 nb0_frames = 0; // tracks the number of times the PREVIOUS frame should be duplicated, mostly for variable framerate (VFR)
974 format_video_sync = video_sync_method;
975 if (format_video_sync == VSYNC_AUTO) {
976 if(!strcmp(s->oformat->name, "avi")) {
977 format_video_sync = VSYNC_VFR;
979 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
981 && format_video_sync == VSYNC_CFR
982 && input_files[ist->file_index]->ctx->nb_streams == 1
983 && input_files[ist->file_index]->input_ts_offset == 0) {
984 format_video_sync = VSYNC_VSCFR;
986 if (format_video_sync == VSYNC_CFR && copy_ts) {
987 format_video_sync = VSYNC_VSCFR;
990 ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
994 format_video_sync != VSYNC_PASSTHROUGH &&
995 format_video_sync != VSYNC_DROP) {
997 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
999 av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
1000 sync_ipts = ost->sync_opts;
1005 switch (format_video_sync) {
1007 if (ost->frame_number == 0 && delta0 >= 0.5) {
1008 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
1011 ost->sync_opts = lrint(sync_ipts);
1014 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1015 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
1017 } else if (delta < -1.1)
1019 else if (delta > 1.1) {
1020 nb_frames = lrintf(delta);
1022 nb0_frames = lrintf(delta0 - 0.6);
1028 else if (delta > 0.6)
1029 ost->sync_opts = lrint(sync_ipts);
1032 case VSYNC_PASSTHROUGH:
1033 ost->sync_opts = lrint(sync_ipts);
1040 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1041 nb0_frames = FFMIN(nb0_frames, nb_frames);
1043 memmove(ost->last_nb0_frames + 1,
1044 ost->last_nb0_frames,
1045 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1046 ost->last_nb0_frames[0] = nb0_frames;
1048 if (nb0_frames == 0 && ost->last_dropped) {
1050 av_log(NULL, AV_LOG_VERBOSE,
1051 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1052 ost->frame_number, ost->st->index, ost->last_frame->pts);
1054 if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
1055 if (nb_frames > dts_error_threshold * 30) {
1056 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1060 nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
1061 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1063 ost->last_dropped = nb_frames == nb0_frames && next_picture;
1065 /* duplicates frame if needed */
1066 for (i = 0; i < nb_frames; i++) {
1067 AVFrame *in_picture;
1068 av_init_packet(&pkt);
1072 if (i < nb0_frames && ost->last_frame) {
1073 in_picture = ost->last_frame;
1075 in_picture = next_picture;
1080 in_picture->pts = ost->sync_opts;
1083 if (!check_recording_time(ost))
1085 if (ost->frame_number >= ost->max_frames)
1089 #if FF_API_LAVF_FMT_RAWPICTURE
1090 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1091 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1092 /* raw pictures are written as AVPicture structure to
1093 avoid any copies. We support temporarily the older
1095 if (in_picture->interlaced_frame)
1096 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1098 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1099 pkt.data = (uint8_t *)in_picture;
1100 pkt.size = sizeof(AVPicture);
1101 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1102 pkt.flags |= AV_PKT_FLAG_KEY;
1104 write_frame(s, &pkt, ost);
1108 int got_packet, forced_keyframe = 0;
1111 if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
1112 ost->top_field_first >= 0)
1113 in_picture->top_field_first = !!ost->top_field_first;
1115 if (in_picture->interlaced_frame) {
1116 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1117 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1119 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1121 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1123 in_picture->quality = enc->global_quality;
1124 in_picture->pict_type = 0;
1126 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1127 in_picture->pts * av_q2d(enc->time_base) : NAN;
1128 if (ost->forced_kf_index < ost->forced_kf_count &&
1129 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1130 ost->forced_kf_index++;
1131 forced_keyframe = 1;
1132 } else if (ost->forced_keyframes_pexpr) {
1134 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1135 res = av_expr_eval(ost->forced_keyframes_pexpr,
1136 ost->forced_keyframes_expr_const_values, NULL);
1137 ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1138 ost->forced_keyframes_expr_const_values[FKF_N],
1139 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1140 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1141 ost->forced_keyframes_expr_const_values[FKF_T],
1142 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1145 forced_keyframe = 1;
1146 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1147 ost->forced_keyframes_expr_const_values[FKF_N];
1148 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1149 ost->forced_keyframes_expr_const_values[FKF_T];
1150 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1153 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1154 } else if ( ost->forced_keyframes
1155 && !strncmp(ost->forced_keyframes, "source", 6)
1156 && in_picture->key_frame==1) {
1157 forced_keyframe = 1;
1160 if (forced_keyframe) {
1161 in_picture->pict_type = AV_PICTURE_TYPE_I;
1162 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1165 update_benchmark(NULL);
1167 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1168 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1169 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1170 enc->time_base.num, enc->time_base.den);
1173 ost->frames_encoded++;
1175 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1176 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1178 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1184 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1185 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1186 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1187 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1190 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
1191 pkt.pts = ost->sync_opts;
1193 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1196 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1197 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1198 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1199 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1202 frame_size = pkt.size;
1203 write_frame(s, &pkt, ost);
1205 /* if two pass, output log */
1206 if (ost->logfile && enc->stats_out) {
1207 fprintf(ost->logfile, "%s", enc->stats_out);
1213 * For video, number of frames in == number of packets out.
1214 * But there may be reordering, so we can't throw away frames on encoder
1215 * flush, we need to limit them here, before they go into encoder.
1217 ost->frame_number++;
1219 if (vstats_filename && frame_size)
1220 do_video_stats(ost, frame_size);
1223 if (!ost->last_frame)
1224 ost->last_frame = av_frame_alloc();
1225 av_frame_unref(ost->last_frame);
1226 if (next_picture && ost->last_frame)
1227 av_frame_ref(ost->last_frame, next_picture);
1229 av_frame_free(&ost->last_frame);
1232 static double psnr(double d)
1234 return -10.0 * log10(d);
1237 static void do_video_stats(OutputStream *ost, int frame_size)
1239 AVCodecContext *enc;
1241 double ti1, bitrate, avg_bitrate;
1243 /* this is executed just the first time do_video_stats is called */
1245 vstats_file = fopen(vstats_filename, "w");
1253 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1254 frame_number = ost->st->nb_frames;
1255 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
1256 ost->quality / (float)FF_QP2LAMBDA);
1258 if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
1259 fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1261 fprintf(vstats_file,"f_size= %6d ", frame_size);
1262 /* compute pts value */
1263 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1267 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1268 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1269 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1270 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1271 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
1275 static void finish_output_stream(OutputStream *ost)
1277 OutputFile *of = output_files[ost->file_index];
1280 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1283 for (i = 0; i < of->ctx->nb_streams; i++)
1284 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1289 * Get and encode new output from any of the filtergraphs, without causing
1292 * @return 0 for success, <0 for severe errors
1294 static int reap_filters(int flush)
1296 AVFrame *filtered_frame = NULL;
1299 /* Reap all buffers present in the buffer sinks */
1300 for (i = 0; i < nb_output_streams; i++) {
1301 OutputStream *ost = output_streams[i];
1302 OutputFile *of = output_files[ost->file_index];
1303 AVFilterContext *filter;
1304 AVCodecContext *enc = ost->enc_ctx;
1309 filter = ost->filter->filter;
1311 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1312 return AVERROR(ENOMEM);
1314 filtered_frame = ost->filtered_frame;
1317 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1318 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1319 AV_BUFFERSINK_FLAG_NO_REQUEST);
1321 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1322 av_log(NULL, AV_LOG_WARNING,
1323 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1324 } else if (flush && ret == AVERROR_EOF) {
1325 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1326 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1330 if (ost->finished) {
1331 av_frame_unref(filtered_frame);
1334 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1335 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1336 AVRational tb = enc->time_base;
1337 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1339 tb.den <<= extra_bits;
1341 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1342 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1343 float_pts /= 1 << extra_bits;
1344 // 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
1345 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1347 filtered_frame->pts =
1348 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1349 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1351 //if (ost->source_index >= 0)
1352 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1354 switch (filter->inputs[0]->type) {
1355 case AVMEDIA_TYPE_VIDEO:
1356 if (!ost->frame_aspect_ratio.num)
1357 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1360 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1361 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1363 enc->time_base.num, enc->time_base.den);
1366 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1368 case AVMEDIA_TYPE_AUDIO:
1369 if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
1370 enc->channels != av_frame_get_channels(filtered_frame)) {
1371 av_log(NULL, AV_LOG_ERROR,
1372 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1375 do_audio_out(of->ctx, ost, filtered_frame);
1378 // TODO support subtitle filters
1382 av_frame_unref(filtered_frame);
1389 static void print_final_stats(int64_t total_size)
1391 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1392 uint64_t subtitle_size = 0;
1393 uint64_t data_size = 0;
1394 float percent = -1.0;
1398 for (i = 0; i < nb_output_streams; i++) {
1399 OutputStream *ost = output_streams[i];
1400 switch (ost->enc_ctx->codec_type) {
1401 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1402 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1403 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1404 default: other_size += ost->data_size; break;
1406 extra_size += ost->enc_ctx->extradata_size;
1407 data_size += ost->data_size;
1408 if ( (ost->enc_ctx->flags & (AV_CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))
1409 != AV_CODEC_FLAG_PASS1)
1413 if (data_size && total_size>0 && total_size >= data_size)
1414 percent = 100.0 * (total_size - data_size) / data_size;
1416 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: ",
1417 video_size / 1024.0,
1418 audio_size / 1024.0,
1419 subtitle_size / 1024.0,
1420 other_size / 1024.0,
1421 extra_size / 1024.0);
1423 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1425 av_log(NULL, AV_LOG_INFO, "unknown");
1426 av_log(NULL, AV_LOG_INFO, "\n");
1428 /* print verbose per-stream stats */
1429 for (i = 0; i < nb_input_files; i++) {
1430 InputFile *f = input_files[i];
1431 uint64_t total_packets = 0, total_size = 0;
1433 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1434 i, f->ctx->filename);
1436 for (j = 0; j < f->nb_streams; j++) {
1437 InputStream *ist = input_streams[f->ist_index + j];
1438 enum AVMediaType type = ist->dec_ctx->codec_type;
1440 total_size += ist->data_size;
1441 total_packets += ist->nb_packets;
1443 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1444 i, j, media_type_string(type));
1445 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1446 ist->nb_packets, ist->data_size);
1448 if (ist->decoding_needed) {
1449 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1450 ist->frames_decoded);
1451 if (type == AVMEDIA_TYPE_AUDIO)
1452 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1453 av_log(NULL, AV_LOG_VERBOSE, "; ");
1456 av_log(NULL, AV_LOG_VERBOSE, "\n");
1459 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1460 total_packets, total_size);
1463 for (i = 0; i < nb_output_files; i++) {
1464 OutputFile *of = output_files[i];
1465 uint64_t total_packets = 0, total_size = 0;
1467 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1468 i, of->ctx->filename);
1470 for (j = 0; j < of->ctx->nb_streams; j++) {
1471 OutputStream *ost = output_streams[of->ost_index + j];
1472 enum AVMediaType type = ost->enc_ctx->codec_type;
1474 total_size += ost->data_size;
1475 total_packets += ost->packets_written;
1477 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1478 i, j, media_type_string(type));
1479 if (ost->encoding_needed) {
1480 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1481 ost->frames_encoded);
1482 if (type == AVMEDIA_TYPE_AUDIO)
1483 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1484 av_log(NULL, AV_LOG_VERBOSE, "; ");
1487 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1488 ost->packets_written, ost->data_size);
1490 av_log(NULL, AV_LOG_VERBOSE, "\n");
1493 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1494 total_packets, total_size);
1496 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1497 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1499 av_log(NULL, AV_LOG_WARNING, "\n");
1501 av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1506 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1509 AVBPrint buf_script;
1511 AVFormatContext *oc;
1513 AVCodecContext *enc;
1514 int frame_number, vid, i;
1517 int64_t pts = INT64_MIN + 1;
1518 static int64_t last_time = -1;
1519 static int qp_histogram[52];
1520 int hours, mins, secs, us;
1524 if (!print_stats && !is_last_report && !progress_avio)
1527 if (!is_last_report) {
1528 if (last_time == -1) {
1529 last_time = cur_time;
1532 if ((cur_time - last_time) < 500000)
1534 last_time = cur_time;
1537 t = (cur_time-timer_start) / 1000000.0;
1540 oc = output_files[0]->ctx;
1542 total_size = avio_size(oc->pb);
1543 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1544 total_size = avio_tell(oc->pb);
1548 av_bprint_init(&buf_script, 0, 1);
1549 for (i = 0; i < nb_output_streams; i++) {
1551 ost = output_streams[i];
1553 if (!ost->stream_copy)
1554 q = ost->quality / (float) FF_QP2LAMBDA;
1556 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1557 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1558 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1559 ost->file_index, ost->index, q);
1561 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1564 frame_number = ost->frame_number;
1565 fps = t > 1 ? frame_number / t : 0;
1566 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1567 frame_number, fps < 9.95, fps, q);
1568 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1569 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1570 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1571 ost->file_index, ost->index, q);
1573 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1577 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1579 for (j = 0; j < 32; j++)
1580 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", av_log2(qp_histogram[j] + 1));
1583 if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
1585 double error, error_sum = 0;
1586 double scale, scale_sum = 0;
1588 char type[3] = { 'Y','U','V' };
1589 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1590 for (j = 0; j < 3; j++) {
1591 if (is_last_report) {
1592 error = enc->error[j];
1593 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1595 error = ost->error[j];
1596 scale = enc->width * enc->height * 255.0 * 255.0;
1602 p = psnr(error / scale);
1603 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1604 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1605 ost->file_index, ost->index, type[j] | 32, p);
1607 p = psnr(error_sum / scale_sum);
1608 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1609 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1610 ost->file_index, ost->index, p);
1614 /* compute min output value */
1615 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1616 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1617 ost->st->time_base, AV_TIME_BASE_Q));
1619 nb_frames_drop += ost->last_dropped;
1622 secs = FFABS(pts) / AV_TIME_BASE;
1623 us = FFABS(pts) % AV_TIME_BASE;
1629 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1630 speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
1632 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1634 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1635 "size=%8.0fkB time=", total_size / 1024.0);
1637 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1638 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1639 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1640 (100 * us) / AV_TIME_BASE);
1643 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1644 av_bprintf(&buf_script, "bitrate=N/A\n");
1646 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1647 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1650 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1651 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1652 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1653 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1654 hours, mins, secs, us);
1656 if (nb_frames_dup || nb_frames_drop)
1657 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1658 nb_frames_dup, nb_frames_drop);
1659 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1660 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1663 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=N/A");
1664 av_bprintf(&buf_script, "speed=N/A\n");
1666 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=%4.3gx", speed);
1667 av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
1670 if (print_stats || is_last_report) {
1671 const char end = is_last_report ? '\n' : '\r';
1672 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1673 fprintf(stderr, "%s %c", buf, end);
1675 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1680 if (progress_avio) {
1681 av_bprintf(&buf_script, "progress=%s\n",
1682 is_last_report ? "end" : "continue");
1683 avio_write(progress_avio, buf_script.str,
1684 FFMIN(buf_script.len, buf_script.size - 1));
1685 avio_flush(progress_avio);
1686 av_bprint_finalize(&buf_script, NULL);
1687 if (is_last_report) {
1688 if ((ret = avio_closep(&progress_avio)) < 0)
1689 av_log(NULL, AV_LOG_ERROR,
1690 "Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
1695 print_final_stats(total_size);
1698 static void flush_encoders(void)
1702 for (i = 0; i < nb_output_streams; i++) {
1703 OutputStream *ost = output_streams[i];
1704 AVCodecContext *enc = ost->enc_ctx;
1705 AVFormatContext *os = output_files[ost->file_index]->ctx;
1706 int stop_encoding = 0;
1708 if (!ost->encoding_needed)
1711 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1713 #if FF_API_LAVF_FMT_RAWPICTURE
1714 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1719 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1722 switch (enc->codec_type) {
1723 case AVMEDIA_TYPE_AUDIO:
1724 encode = avcodec_encode_audio2;
1727 case AVMEDIA_TYPE_VIDEO:
1728 encode = avcodec_encode_video2;
1739 av_init_packet(&pkt);
1743 update_benchmark(NULL);
1744 ret = encode(enc, &pkt, NULL, &got_packet);
1745 update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
1747 av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1752 if (ost->logfile && enc->stats_out) {
1753 fprintf(ost->logfile, "%s", enc->stats_out);
1759 if (ost->finished & MUXER_FINISHED) {
1760 av_packet_unref(&pkt);
1763 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1764 pkt_size = pkt.size;
1765 write_frame(os, &pkt, ost);
1766 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1767 do_video_stats(ost, pkt_size);
1778 * Check whether a packet from ist should be written into ost at this time
1780 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1782 OutputFile *of = output_files[ost->file_index];
1783 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1785 if (ost->source_index != ist_index)
1791 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1797 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1799 OutputFile *of = output_files[ost->file_index];
1800 InputFile *f = input_files [ist->file_index];
1801 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1802 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1806 av_init_packet(&opkt);
1808 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1809 !ost->copy_initial_nonkeyframes)
1812 if (!ost->frame_number && !ost->copy_prior_start) {
1813 int64_t comp_start = start_time;
1814 if (copy_ts && f->start_time != AV_NOPTS_VALUE)
1815 comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
1816 if (pkt->pts == AV_NOPTS_VALUE ?
1817 ist->pts < comp_start :
1818 pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
1822 if (of->recording_time != INT64_MAX &&
1823 ist->pts >= of->recording_time + start_time) {
1824 close_output_stream(ost);
1828 if (f->recording_time != INT64_MAX) {
1829 start_time = f->ctx->start_time;
1830 if (f->start_time != AV_NOPTS_VALUE && copy_ts)
1831 start_time += f->start_time;
1832 if (ist->pts >= f->recording_time + start_time) {
1833 close_output_stream(ost);
1838 /* force the input stream PTS */
1839 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1842 if (pkt->pts != AV_NOPTS_VALUE)
1843 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1845 opkt.pts = AV_NOPTS_VALUE;
1847 if (pkt->dts == AV_NOPTS_VALUE)
1848 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1850 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1851 opkt.dts -= ost_tb_start_time;
1853 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1854 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1856 duration = ist->dec_ctx->frame_size;
1857 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1858 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1859 ost->st->time_base) - ost_tb_start_time;
1862 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1863 opkt.flags = pkt->flags;
1864 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1865 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1866 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1867 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1868 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1870 int ret = av_parser_change(ost->parser, ost->st->codec,
1871 &opkt.data, &opkt.size,
1872 pkt->data, pkt->size,
1873 pkt->flags & AV_PKT_FLAG_KEY);
1875 av_log(NULL, AV_LOG_FATAL, "av_parser_change failed: %s\n",
1880 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1885 opkt.data = pkt->data;
1886 opkt.size = pkt->size;
1888 av_copy_packet_side_data(&opkt, pkt);
1890 #if FF_API_LAVF_FMT_RAWPICTURE
1891 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1892 ost->st->codec->codec_id == AV_CODEC_ID_RAWVIDEO &&
1893 (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1894 /* store AVPicture in AVPacket, as expected by the output format */
1895 int ret = avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1897 av_log(NULL, AV_LOG_FATAL, "avpicture_fill failed: %s\n",
1901 opkt.data = (uint8_t *)&pict;
1902 opkt.size = sizeof(AVPicture);
1903 opkt.flags |= AV_PKT_FLAG_KEY;
1907 write_frame(of->ctx, &opkt, ost);
1910 int guess_input_channel_layout(InputStream *ist)
1912 AVCodecContext *dec = ist->dec_ctx;
1914 if (!dec->channel_layout) {
1915 char layout_name[256];
1917 if (dec->channels > ist->guess_layout_max)
1919 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1920 if (!dec->channel_layout)
1922 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1923 dec->channels, dec->channel_layout);
1924 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1925 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1930 static void check_decode_result(InputStream *ist, int *got_output, int ret)
1932 if (*got_output || ret<0)
1933 decode_error_stat[ret<0] ++;
1935 if (ret < 0 && exit_on_error)
1938 if (exit_on_error && *got_output && ist) {
1939 if (av_frame_get_decode_error_flags(ist->decoded_frame) || (ist->decoded_frame->flags & AV_FRAME_FLAG_CORRUPT)) {
1940 av_log(NULL, AV_LOG_FATAL, "%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->filename, ist->st->index);
1946 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1948 AVFrame *decoded_frame, *f;
1949 AVCodecContext *avctx = ist->dec_ctx;
1950 int i, ret, err = 0, resample_changed;
1951 AVRational decoded_frame_tb;
1953 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1954 return AVERROR(ENOMEM);
1955 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1956 return AVERROR(ENOMEM);
1957 decoded_frame = ist->decoded_frame;
1959 update_benchmark(NULL);
1960 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1961 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1963 if (ret >= 0 && avctx->sample_rate <= 0) {
1964 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1965 ret = AVERROR_INVALIDDATA;
1968 check_decode_result(ist, got_output, ret);
1970 if (!*got_output || ret < 0)
1973 ist->samples_decoded += decoded_frame->nb_samples;
1974 ist->frames_decoded++;
1977 /* increment next_dts to use for the case where the input stream does not
1978 have timestamps or there are multiple frames in the packet */
1979 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1981 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1985 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1986 ist->resample_channels != avctx->channels ||
1987 ist->resample_channel_layout != decoded_frame->channel_layout ||
1988 ist->resample_sample_rate != decoded_frame->sample_rate;
1989 if (resample_changed) {
1990 char layout1[64], layout2[64];
1992 if (!guess_input_channel_layout(ist)) {
1993 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1994 "layout for Input Stream #%d.%d\n", ist->file_index,
1998 decoded_frame->channel_layout = avctx->channel_layout;
2000 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2001 ist->resample_channel_layout);
2002 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2003 decoded_frame->channel_layout);
2005 av_log(NULL, AV_LOG_INFO,
2006 "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",
2007 ist->file_index, ist->st->index,
2008 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2009 ist->resample_channels, layout1,
2010 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2011 avctx->channels, layout2);
2013 ist->resample_sample_fmt = decoded_frame->format;
2014 ist->resample_sample_rate = decoded_frame->sample_rate;
2015 ist->resample_channel_layout = decoded_frame->channel_layout;
2016 ist->resample_channels = avctx->channels;
2018 for (i = 0; i < nb_filtergraphs; i++)
2019 if (ist_in_filtergraph(filtergraphs[i], ist)) {
2020 FilterGraph *fg = filtergraphs[i];
2021 if (configure_filtergraph(fg) < 0) {
2022 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2028 /* if the decoder provides a pts, use it instead of the last packet pts.
2029 the decoder could be delaying output by a packet or more. */
2030 if (decoded_frame->pts != AV_NOPTS_VALUE) {
2031 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
2032 decoded_frame_tb = avctx->time_base;
2033 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
2034 decoded_frame->pts = decoded_frame->pkt_pts;
2035 decoded_frame_tb = ist->st->time_base;
2036 } else if (pkt->pts != AV_NOPTS_VALUE) {
2037 decoded_frame->pts = pkt->pts;
2038 decoded_frame_tb = ist->st->time_base;
2040 decoded_frame->pts = ist->dts;
2041 decoded_frame_tb = AV_TIME_BASE_Q;
2043 pkt->pts = AV_NOPTS_VALUE;
2044 if (decoded_frame->pts != AV_NOPTS_VALUE)
2045 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
2046 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
2047 (AVRational){1, avctx->sample_rate});
2048 ist->nb_samples = decoded_frame->nb_samples;
2049 for (i = 0; i < ist->nb_filters; i++) {
2050 if (i < ist->nb_filters - 1) {
2051 f = ist->filter_frame;
2052 err = av_frame_ref(f, decoded_frame);
2057 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
2058 AV_BUFFERSRC_FLAG_PUSH);
2059 if (err == AVERROR_EOF)
2060 err = 0; /* ignore */
2064 decoded_frame->pts = AV_NOPTS_VALUE;
2066 av_frame_unref(ist->filter_frame);
2067 av_frame_unref(decoded_frame);
2068 return err < 0 ? err : ret;
2071 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
2073 AVFrame *decoded_frame, *f;
2074 int i, ret = 0, err = 0, resample_changed;
2075 int64_t best_effort_timestamp;
2076 AVRational *frame_sample_aspect;
2078 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2079 return AVERROR(ENOMEM);
2080 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2081 return AVERROR(ENOMEM);
2082 decoded_frame = ist->decoded_frame;
2083 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2085 update_benchmark(NULL);
2086 ret = avcodec_decode_video2(ist->dec_ctx,
2087 decoded_frame, got_output, pkt);
2088 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2090 // The following line may be required in some cases where there is no parser
2091 // or the parser does not has_b_frames correctly
2092 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
2093 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2094 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
2096 av_log(ist->dec_ctx, AV_LOG_WARNING,
2097 "has_b_frames is larger in decoder than demuxer %d > %d.\n"
2098 "If you want to help, upload a sample "
2099 "of this file to ftp://upload.ffmpeg.org/incoming/ "
2100 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)",
2101 ist->dec_ctx->has_b_frames,
2102 ist->st->codec->has_b_frames);
2105 check_decode_result(ist, got_output, ret);
2107 if (*got_output && ret >= 0) {
2108 if (ist->dec_ctx->width != decoded_frame->width ||
2109 ist->dec_ctx->height != decoded_frame->height ||
2110 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2111 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2112 decoded_frame->width,
2113 decoded_frame->height,
2114 decoded_frame->format,
2115 ist->dec_ctx->width,
2116 ist->dec_ctx->height,
2117 ist->dec_ctx->pix_fmt);
2121 if (!*got_output || ret < 0)
2124 if(ist->top_field_first>=0)
2125 decoded_frame->top_field_first = ist->top_field_first;
2127 ist->frames_decoded++;
2129 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2130 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2134 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2136 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2137 if(best_effort_timestamp != AV_NOPTS_VALUE) {
2138 int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2140 if (ts != AV_NOPTS_VALUE)
2141 ist->next_pts = ist->pts = ts;
2145 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2146 "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",
2147 ist->st->index, av_ts2str(decoded_frame->pts),
2148 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2149 best_effort_timestamp,
2150 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2151 decoded_frame->key_frame, decoded_frame->pict_type,
2152 ist->st->time_base.num, ist->st->time_base.den);
2157 if (ist->st->sample_aspect_ratio.num)
2158 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2160 resample_changed = ist->resample_width != decoded_frame->width ||
2161 ist->resample_height != decoded_frame->height ||
2162 ist->resample_pix_fmt != decoded_frame->format;
2163 if (resample_changed) {
2164 av_log(NULL, AV_LOG_INFO,
2165 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2166 ist->file_index, ist->st->index,
2167 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2168 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2170 ist->resample_width = decoded_frame->width;
2171 ist->resample_height = decoded_frame->height;
2172 ist->resample_pix_fmt = decoded_frame->format;
2174 for (i = 0; i < nb_filtergraphs; i++) {
2175 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2176 configure_filtergraph(filtergraphs[i]) < 0) {
2177 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2183 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2184 for (i = 0; i < ist->nb_filters; i++) {
2185 if (!frame_sample_aspect->num)
2186 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2188 if (i < ist->nb_filters - 1) {
2189 f = ist->filter_frame;
2190 err = av_frame_ref(f, decoded_frame);
2195 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2196 if (ret == AVERROR_EOF) {
2197 ret = 0; /* ignore */
2198 } else if (ret < 0) {
2199 av_log(NULL, AV_LOG_FATAL,
2200 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2206 av_frame_unref(ist->filter_frame);
2207 av_frame_unref(decoded_frame);
2208 return err < 0 ? err : ret;
2211 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2213 AVSubtitle subtitle;
2214 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2215 &subtitle, got_output, pkt);
2217 check_decode_result(NULL, got_output, ret);
2219 if (ret < 0 || !*got_output) {
2221 sub2video_flush(ist);
2225 if (ist->fix_sub_duration) {
2227 if (ist->prev_sub.got_output) {
2228 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2229 1000, AV_TIME_BASE);
2230 if (end < ist->prev_sub.subtitle.end_display_time) {
2231 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2232 "Subtitle duration reduced from %d to %d%s\n",
2233 ist->prev_sub.subtitle.end_display_time, end,
2234 end <= 0 ? ", dropping it" : "");
2235 ist->prev_sub.subtitle.end_display_time = end;
2238 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2239 FFSWAP(int, ret, ist->prev_sub.ret);
2240 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2248 sub2video_update(ist, &subtitle);
2250 if (!subtitle.num_rects)
2253 ist->frames_decoded++;
2255 for (i = 0; i < nb_output_streams; i++) {
2256 OutputStream *ost = output_streams[i];
2258 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2259 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2262 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2266 avsubtitle_free(&subtitle);
2270 static int send_filter_eof(InputStream *ist)
2273 for (i = 0; i < ist->nb_filters; i++) {
2274 ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2281 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2282 static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
2288 if (!ist->saw_first_ts) {
2289 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;
2291 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2292 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2293 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2295 ist->saw_first_ts = 1;
2298 if (ist->next_dts == AV_NOPTS_VALUE)
2299 ist->next_dts = ist->dts;
2300 if (ist->next_pts == AV_NOPTS_VALUE)
2301 ist->next_pts = ist->pts;
2305 av_init_packet(&avpkt);
2313 if (pkt->dts != AV_NOPTS_VALUE) {
2314 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2315 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2316 ist->next_pts = ist->pts = ist->dts;
2319 // while we have more to decode or while the decoder did output something on EOF
2320 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2324 ist->pts = ist->next_pts;
2325 ist->dts = ist->next_dts;
2327 if (avpkt.size && avpkt.size != pkt->size &&
2328 !(ist->dec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
2329 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2330 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2331 ist->showed_multi_packet_warning = 1;
2334 switch (ist->dec_ctx->codec_type) {
2335 case AVMEDIA_TYPE_AUDIO:
2336 ret = decode_audio (ist, &avpkt, &got_output);
2338 case AVMEDIA_TYPE_VIDEO:
2339 ret = decode_video (ist, &avpkt, &got_output);
2340 if (avpkt.duration) {
2341 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2342 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2343 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2344 duration = ((int64_t)AV_TIME_BASE *
2345 ist->dec_ctx->framerate.den * ticks) /
2346 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2350 if(ist->dts != AV_NOPTS_VALUE && duration) {
2351 ist->next_dts += duration;
2353 ist->next_dts = AV_NOPTS_VALUE;
2356 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2358 case AVMEDIA_TYPE_SUBTITLE:
2359 ret = transcode_subtitles(ist, &avpkt, &got_output);
2366 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2367 ist->file_index, ist->st->index, av_err2str(ret));
2374 avpkt.pts= AV_NOPTS_VALUE;
2376 // touch data and size only if not EOF
2378 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2386 if (got_output && !pkt)
2390 /* after flushing, send an EOF on all the filter inputs attached to the stream */
2391 /* except when looping we need to flush but not to send an EOF */
2392 if (!pkt && ist->decoding_needed && !got_output && !no_eof) {
2393 int ret = send_filter_eof(ist);
2395 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
2400 /* handle stream copy */
2401 if (!ist->decoding_needed) {
2402 ist->dts = ist->next_dts;
2403 switch (ist->dec_ctx->codec_type) {
2404 case AVMEDIA_TYPE_AUDIO:
2405 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2406 ist->dec_ctx->sample_rate;
2408 case AVMEDIA_TYPE_VIDEO:
2409 if (ist->framerate.num) {
2410 // TODO: Remove work-around for c99-to-c89 issue 7
2411 AVRational time_base_q = AV_TIME_BASE_Q;
2412 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2413 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2414 } else if (pkt->duration) {
2415 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2416 } else if(ist->dec_ctx->framerate.num != 0) {
2417 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2418 ist->next_dts += ((int64_t)AV_TIME_BASE *
2419 ist->dec_ctx->framerate.den * ticks) /
2420 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2424 ist->pts = ist->dts;
2425 ist->next_pts = ist->next_dts;
2427 for (i = 0; pkt && i < nb_output_streams; i++) {
2428 OutputStream *ost = output_streams[i];
2430 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2433 do_streamcopy(ist, ost, pkt);
2439 static void print_sdp(void)
2444 AVIOContext *sdp_pb;
2445 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2449 for (i = 0, j = 0; i < nb_output_files; i++) {
2450 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2451 avc[j] = output_files[i]->ctx;
2459 av_sdp_create(avc, j, sdp, sizeof(sdp));
2461 if (!sdp_filename) {
2462 printf("SDP:\n%s\n", sdp);
2465 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2466 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2468 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2469 avio_closep(&sdp_pb);
2470 av_freep(&sdp_filename);
2478 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2481 for (i = 0; hwaccels[i].name; i++)
2482 if (hwaccels[i].pix_fmt == pix_fmt)
2483 return &hwaccels[i];
2487 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2489 InputStream *ist = s->opaque;
2490 const enum AVPixelFormat *p;
2493 for (p = pix_fmts; *p != -1; p++) {
2494 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2495 const HWAccel *hwaccel;
2497 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2500 hwaccel = get_hwaccel(*p);
2502 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2503 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2506 ret = hwaccel->init(s);
2508 if (ist->hwaccel_id == hwaccel->id) {
2509 av_log(NULL, AV_LOG_FATAL,
2510 "%s hwaccel requested for input stream #%d:%d, "
2511 "but cannot be initialized.\n", hwaccel->name,
2512 ist->file_index, ist->st->index);
2513 return AV_PIX_FMT_NONE;
2517 ist->active_hwaccel_id = hwaccel->id;
2518 ist->hwaccel_pix_fmt = *p;
2525 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2527 InputStream *ist = s->opaque;
2529 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2530 return ist->hwaccel_get_buffer(s, frame, flags);
2532 return avcodec_default_get_buffer2(s, frame, flags);
2535 static int init_input_stream(int ist_index, char *error, int error_len)
2538 InputStream *ist = input_streams[ist_index];
2540 if (ist->decoding_needed) {
2541 AVCodec *codec = ist->dec;
2543 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2544 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2545 return AVERROR(EINVAL);
2548 ist->dec_ctx->opaque = ist;
2549 ist->dec_ctx->get_format = get_format;
2550 ist->dec_ctx->get_buffer2 = get_buffer;
2551 ist->dec_ctx->thread_safe_callbacks = 1;
2553 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2554 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2555 (ist->decoding_needed & DECODING_FOR_OST)) {
2556 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2557 if (ist->decoding_needed & DECODING_FOR_FILTER)
2558 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");
2561 av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
2563 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2564 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2565 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2566 if (ret == AVERROR_EXPERIMENTAL)
2567 abort_codec_experimental(codec, 0);
2569 snprintf(error, error_len,
2570 "Error while opening decoder for input stream "
2572 ist->file_index, ist->st->index, av_err2str(ret));
2575 assert_avoptions(ist->decoder_opts);
2578 ist->next_pts = AV_NOPTS_VALUE;
2579 ist->next_dts = AV_NOPTS_VALUE;
2584 static InputStream *get_input_stream(OutputStream *ost)
2586 if (ost->source_index >= 0)
2587 return input_streams[ost->source_index];
2591 static int compare_int64(const void *a, const void *b)
2593 return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
2596 static int init_output_stream(OutputStream *ost, char *error, int error_len)
2600 if (ost->encoding_needed) {
2601 AVCodec *codec = ost->enc;
2602 AVCodecContext *dec = NULL;
2605 if ((ist = get_input_stream(ost)))
2607 if (dec && dec->subtitle_header) {
2608 /* ASS code assumes this buffer is null terminated so add extra byte. */
2609 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2610 if (!ost->enc_ctx->subtitle_header)
2611 return AVERROR(ENOMEM);
2612 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2613 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2615 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2616 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2617 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2619 !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
2620 !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
2621 av_dict_set(&ost->encoder_opts, "b", "128000", 0);
2623 if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
2624 ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
2625 if (!ost->enc_ctx->hw_frames_ctx)
2626 return AVERROR(ENOMEM);
2629 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2630 if (ret == AVERROR_EXPERIMENTAL)
2631 abort_codec_experimental(codec, 1);
2632 snprintf(error, error_len,
2633 "Error while opening encoder for output stream #%d:%d - "
2634 "maybe incorrect parameters such as bit_rate, rate, width or height",
2635 ost->file_index, ost->index);
2638 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2639 !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
2640 av_buffersink_set_frame_size(ost->filter->filter,
2641 ost->enc_ctx->frame_size);
2642 assert_avoptions(ost->encoder_opts);
2643 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2644 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2645 " It takes bits/s as argument, not kbits/s\n");
2647 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2649 av_log(NULL, AV_LOG_FATAL,
2650 "Error initializing the output stream codec context.\n");
2654 if (ost->enc_ctx->nb_coded_side_data) {
2657 ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
2658 sizeof(*ost->st->side_data));
2659 if (!ost->st->side_data)
2660 return AVERROR(ENOMEM);
2662 for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
2663 const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
2664 AVPacketSideData *sd_dst = &ost->st->side_data[i];
2666 sd_dst->data = av_malloc(sd_src->size);
2668 return AVERROR(ENOMEM);
2669 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2670 sd_dst->size = sd_src->size;
2671 sd_dst->type = sd_src->type;
2672 ost->st->nb_side_data++;
2676 // copy timebase while removing common factors
2677 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
2678 ost->st->codec->codec= ost->enc_ctx->codec;
2679 } else if (ost->stream_copy) {
2680 ret = av_opt_set_dict(ost->st->codec, &ost->encoder_opts);
2682 av_log(NULL, AV_LOG_FATAL,
2683 "Error setting up codec context options.\n");
2686 // copy timebase while removing common factors
2687 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
2693 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2694 AVCodecContext *avctx)
2697 int n = 1, i, size, index = 0;
2700 for (p = kf; *p; p++)
2704 pts = av_malloc_array(size, sizeof(*pts));
2706 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2711 for (i = 0; i < n; i++) {
2712 char *next = strchr(p, ',');
2717 if (!memcmp(p, "chapters", 8)) {
2719 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2722 if (avf->nb_chapters > INT_MAX - size ||
2723 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2725 av_log(NULL, AV_LOG_FATAL,
2726 "Could not allocate forced key frames array.\n");
2729 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2730 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2732 for (j = 0; j < avf->nb_chapters; j++) {
2733 AVChapter *c = avf->chapters[j];
2734 av_assert1(index < size);
2735 pts[index++] = av_rescale_q(c->start, c->time_base,
2736 avctx->time_base) + t;
2741 t = parse_time_or_die("force_key_frames", p, 1);
2742 av_assert1(index < size);
2743 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2750 av_assert0(index == size);
2751 qsort(pts, size, sizeof(*pts), compare_int64);
2752 ost->forced_kf_count = size;
2753 ost->forced_kf_pts = pts;
2756 static void report_new_stream(int input_index, AVPacket *pkt)
2758 InputFile *file = input_files[input_index];
2759 AVStream *st = file->ctx->streams[pkt->stream_index];
2761 if (pkt->stream_index < file->nb_streams_warn)
2763 av_log(file->ctx, AV_LOG_WARNING,
2764 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2765 av_get_media_type_string(st->codec->codec_type),
2766 input_index, pkt->stream_index,
2767 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2768 file->nb_streams_warn = pkt->stream_index + 1;
2771 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2773 AVDictionaryEntry *e;
2775 uint8_t *encoder_string;
2776 int encoder_string_len;
2777 int format_flags = 0;
2778 int codec_flags = 0;
2780 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2783 e = av_dict_get(of->opts, "fflags", NULL, 0);
2785 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2788 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2790 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2792 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2795 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2798 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2799 encoder_string = av_mallocz(encoder_string_len);
2800 if (!encoder_string)
2803 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
2804 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2806 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2807 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2808 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2809 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2812 static int transcode_init(void)
2814 int ret = 0, i, j, k;
2815 AVFormatContext *oc;
2818 char error[1024] = {0};
2821 for (i = 0; i < nb_filtergraphs; i++) {
2822 FilterGraph *fg = filtergraphs[i];
2823 for (j = 0; j < fg->nb_outputs; j++) {
2824 OutputFilter *ofilter = fg->outputs[j];
2825 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2827 if (fg->nb_inputs != 1)
2829 for (k = nb_input_streams-1; k >= 0 ; k--)
2830 if (fg->inputs[0]->ist == input_streams[k])
2832 ofilter->ost->source_index = k;
2836 /* init framerate emulation */
2837 for (i = 0; i < nb_input_files; i++) {
2838 InputFile *ifile = input_files[i];
2839 if (ifile->rate_emu)
2840 for (j = 0; j < ifile->nb_streams; j++)
2841 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2844 /* for each output stream, we compute the right encoding parameters */
2845 for (i = 0; i < nb_output_streams; i++) {
2846 AVCodecContext *enc_ctx;
2847 AVCodecContext *dec_ctx = NULL;
2848 ost = output_streams[i];
2849 oc = output_files[ost->file_index]->ctx;
2850 ist = get_input_stream(ost);
2852 if (ost->attachment_filename)
2855 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2858 dec_ctx = ist->dec_ctx;
2860 ost->st->disposition = ist->st->disposition;
2861 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2863 for (j=0; j<oc->nb_streams; j++) {
2864 AVStream *st = oc->streams[j];
2865 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2868 if (j == oc->nb_streams)
2869 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2870 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2873 if (ost->stream_copy) {
2875 uint64_t extra_size;
2877 av_assert0(ist && !ost->filter);
2879 extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
2881 if (extra_size > INT_MAX) {
2882 return AVERROR(EINVAL);
2885 /* if stream_copy is selected, no need to decode or encode */
2886 enc_ctx->codec_id = dec_ctx->codec_id;
2887 enc_ctx->codec_type = dec_ctx->codec_type;
2889 if (!enc_ctx->codec_tag) {
2890 unsigned int codec_tag;
2891 if (!oc->oformat->codec_tag ||
2892 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2893 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2894 enc_ctx->codec_tag = dec_ctx->codec_tag;
2897 enc_ctx->bit_rate = dec_ctx->bit_rate;
2898 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2899 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2900 enc_ctx->field_order = dec_ctx->field_order;
2901 if (dec_ctx->extradata_size) {
2902 enc_ctx->extradata = av_mallocz(extra_size);
2903 if (!enc_ctx->extradata) {
2904 return AVERROR(ENOMEM);
2906 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2908 enc_ctx->extradata_size= dec_ctx->extradata_size;
2909 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2910 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2912 if (!ost->frame_rate.num)
2913 ost->frame_rate = ist->framerate;
2914 ost->st->avg_frame_rate = ost->frame_rate;
2916 ret = avformat_transfer_internal_stream_timing_info(oc->oformat, ost->st, ist->st, copy_tb);
2920 if (ist->st->nb_side_data) {
2921 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2922 sizeof(*ist->st->side_data));
2923 if (!ost->st->side_data)
2924 return AVERROR(ENOMEM);
2926 ost->st->nb_side_data = 0;
2927 for (j = 0; j < ist->st->nb_side_data; j++) {
2928 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2929 AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
2931 if (ost->rotate_overridden && sd_src->type == AV_PKT_DATA_DISPLAYMATRIX)
2934 sd_dst->data = av_malloc(sd_src->size);
2936 return AVERROR(ENOMEM);
2937 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2938 sd_dst->size = sd_src->size;
2939 sd_dst->type = sd_src->type;
2940 ost->st->nb_side_data++;
2944 ost->parser = av_parser_init(enc_ctx->codec_id);
2946 switch (enc_ctx->codec_type) {
2947 case AVMEDIA_TYPE_AUDIO:
2948 if (audio_volume != 256) {
2949 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2952 enc_ctx->channel_layout = dec_ctx->channel_layout;
2953 enc_ctx->sample_rate = dec_ctx->sample_rate;
2954 enc_ctx->channels = dec_ctx->channels;
2955 enc_ctx->frame_size = dec_ctx->frame_size;
2956 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2957 enc_ctx->block_align = dec_ctx->block_align;
2958 enc_ctx->initial_padding = dec_ctx->delay;
2959 enc_ctx->trailing_padding = dec_ctx->trailing_padding;
2960 enc_ctx->profile = dec_ctx->profile;
2961 #if FF_API_AUDIOENC_DELAY
2962 enc_ctx->delay = dec_ctx->delay;
2964 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2965 enc_ctx->block_align= 0;
2966 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2967 enc_ctx->block_align= 0;
2969 case AVMEDIA_TYPE_VIDEO:
2970 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2971 enc_ctx->colorspace = dec_ctx->colorspace;
2972 enc_ctx->color_range = dec_ctx->color_range;
2973 enc_ctx->color_primaries = dec_ctx->color_primaries;
2974 enc_ctx->color_trc = dec_ctx->color_trc;
2975 enc_ctx->width = dec_ctx->width;
2976 enc_ctx->height = dec_ctx->height;
2977 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2978 enc_ctx->profile = dec_ctx->profile;
2979 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2981 av_mul_q(ost->frame_aspect_ratio,
2982 (AVRational){ enc_ctx->height, enc_ctx->width });
2983 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2984 "with stream copy may produce invalid files\n");
2986 else if (ist->st->sample_aspect_ratio.num)
2987 sar = ist->st->sample_aspect_ratio;
2989 sar = dec_ctx->sample_aspect_ratio;
2990 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2991 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2992 ost->st->r_frame_rate = ist->st->r_frame_rate;
2994 case AVMEDIA_TYPE_SUBTITLE:
2995 enc_ctx->width = dec_ctx->width;
2996 enc_ctx->height = dec_ctx->height;
2998 case AVMEDIA_TYPE_UNKNOWN:
2999 case AVMEDIA_TYPE_DATA:
3000 case AVMEDIA_TYPE_ATTACHMENT:
3006 set_encoder_id(output_files[ost->file_index], ost);
3009 if (qsv_transcode_init(ost))
3014 if (cuvid_transcode_init(ost))
3018 if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3019 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3020 filtergraph_is_simple(ost->filter->graph)) {
3021 FilterGraph *fg = ost->filter->graph;
3022 if (configure_filtergraph(fg)) {
3023 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
3028 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
3029 if (!ost->frame_rate.num)
3030 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
3031 if (ist && !ost->frame_rate.num)
3032 ost->frame_rate = ist->framerate;
3033 if (ist && !ost->frame_rate.num)
3034 ost->frame_rate = ist->st->r_frame_rate;
3035 if (ist && !ost->frame_rate.num) {
3036 ost->frame_rate = (AVRational){25, 1};
3037 av_log(NULL, AV_LOG_WARNING,
3039 "about the input framerate is available. Falling "
3040 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
3041 "if you want a different framerate.\n",
3042 ost->file_index, ost->index);
3044 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
3045 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
3046 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3047 ost->frame_rate = ost->enc->supported_framerates[idx];
3049 // reduce frame rate for mpeg4 to be within the spec limits
3050 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
3051 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
3052 ost->frame_rate.num, ost->frame_rate.den, 65535);
3056 switch (enc_ctx->codec_type) {
3057 case AVMEDIA_TYPE_AUDIO:
3058 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
3060 enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3061 av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
3062 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
3063 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
3064 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
3065 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
3067 case AVMEDIA_TYPE_VIDEO:
3068 enc_ctx->time_base = av_inv_q(ost->frame_rate);
3069 if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
3070 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
3071 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3072 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
3073 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3074 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3076 for (j = 0; j < ost->forced_kf_count; j++)
3077 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3079 enc_ctx->time_base);
3081 enc_ctx->width = ost->filter->filter->inputs[0]->w;
3082 enc_ctx->height = ost->filter->filter->inputs[0]->h;
3083 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3084 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
3085 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
3086 ost->filter->filter->inputs[0]->sample_aspect_ratio;
3087 if (!strncmp(ost->enc->name, "libx264", 7) &&
3088 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
3089 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
3090 av_log(NULL, AV_LOG_WARNING,
3091 "No pixel format specified, %s for H.264 encoding chosen.\n"
3092 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
3093 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
3094 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
3095 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
3096 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
3097 av_log(NULL, AV_LOG_WARNING,
3098 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
3099 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
3100 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
3101 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
3103 enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3104 av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
3106 ost->st->avg_frame_rate = ost->frame_rate;
3109 enc_ctx->width != dec_ctx->width ||
3110 enc_ctx->height != dec_ctx->height ||
3111 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
3112 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
3115 if (ost->forced_keyframes) {
3116 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
3117 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
3118 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
3120 av_log(NULL, AV_LOG_ERROR,
3121 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
3124 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
3125 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
3126 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
3127 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
3129 // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
3130 // parse it only for static kf timings
3131 } else if(strncmp(ost->forced_keyframes, "source", 6)) {
3132 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
3136 case AVMEDIA_TYPE_SUBTITLE:
3137 enc_ctx->time_base = (AVRational){1, 1000};
3138 if (!enc_ctx->width) {
3139 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
3140 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
3143 case AVMEDIA_TYPE_DATA:
3151 if (ost->disposition) {
3152 static const AVOption opts[] = {
3153 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3154 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3155 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3156 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3157 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3158 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3159 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3160 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3161 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3162 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3163 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3164 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3165 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3166 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3169 static const AVClass class = {
3171 .item_name = av_default_item_name,
3173 .version = LIBAVUTIL_VERSION_INT,
3175 const AVClass *pclass = &class;
3177 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3183 /* init input streams */
3184 for (i = 0; i < nb_input_streams; i++)
3185 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3186 for (i = 0; i < nb_output_streams; i++) {
3187 ost = output_streams[i];
3188 avcodec_close(ost->enc_ctx);
3193 /* open each encoder */
3194 for (i = 0; i < nb_output_streams; i++) {
3195 ret = init_output_stream(output_streams[i], error, sizeof(error));
3200 /* discard unused programs */
3201 for (i = 0; i < nb_input_files; i++) {
3202 InputFile *ifile = input_files[i];
3203 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3204 AVProgram *p = ifile->ctx->programs[j];
3205 int discard = AVDISCARD_ALL;
3207 for (k = 0; k < p->nb_stream_indexes; k++)
3208 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3209 discard = AVDISCARD_DEFAULT;
3212 p->discard = discard;
3216 /* open files and write file headers */
3217 for (i = 0; i < nb_output_files; i++) {
3218 oc = output_files[i]->ctx;
3219 oc->interrupt_callback = int_cb;
3220 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3221 snprintf(error, sizeof(error),
3222 "Could not write header for output file #%d "
3223 "(incorrect codec parameters ?): %s",
3224 i, av_err2str(ret));
3225 ret = AVERROR(EINVAL);
3228 // assert_avoptions(output_files[i]->opts);
3229 if (strcmp(oc->oformat->name, "rtp")) {
3235 /* dump the file output parameters - cannot be done before in case
3237 for (i = 0; i < nb_output_files; i++) {
3238 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3241 /* dump the stream mapping */
3242 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3243 for (i = 0; i < nb_input_streams; i++) {
3244 ist = input_streams[i];
3246 for (j = 0; j < ist->nb_filters; j++) {
3247 if (!filtergraph_is_simple(ist->filters[j]->graph)) {
3248 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3249 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3250 ist->filters[j]->name);
3251 if (nb_filtergraphs > 1)
3252 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3253 av_log(NULL, AV_LOG_INFO, "\n");
3258 for (i = 0; i < nb_output_streams; i++) {
3259 ost = output_streams[i];
3261 if (ost->attachment_filename) {
3262 /* an attached file */
3263 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3264 ost->attachment_filename, ost->file_index, ost->index);
3268 if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
3269 /* output from a complex graph */
3270 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3271 if (nb_filtergraphs > 1)
3272 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3274 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3275 ost->index, ost->enc ? ost->enc->name : "?");
3279 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3280 input_streams[ost->source_index]->file_index,
3281 input_streams[ost->source_index]->st->index,
3284 if (ost->sync_ist != input_streams[ost->source_index])
3285 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3286 ost->sync_ist->file_index,
3287 ost->sync_ist->st->index);
3288 if (ost->stream_copy)
3289 av_log(NULL, AV_LOG_INFO, " (copy)");
3291 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3292 const AVCodec *out_codec = ost->enc;
3293 const char *decoder_name = "?";
3294 const char *in_codec_name = "?";
3295 const char *encoder_name = "?";
3296 const char *out_codec_name = "?";
3297 const AVCodecDescriptor *desc;
3300 decoder_name = in_codec->name;
3301 desc = avcodec_descriptor_get(in_codec->id);
3303 in_codec_name = desc->name;
3304 if (!strcmp(decoder_name, in_codec_name))
3305 decoder_name = "native";
3309 encoder_name = out_codec->name;
3310 desc = avcodec_descriptor_get(out_codec->id);
3312 out_codec_name = desc->name;
3313 if (!strcmp(encoder_name, out_codec_name))
3314 encoder_name = "native";
3317 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3318 in_codec_name, decoder_name,
3319 out_codec_name, encoder_name);
3321 av_log(NULL, AV_LOG_INFO, "\n");
3325 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3329 if (sdp_filename || want_sdp) {
3333 transcode_init_done = 1;
3338 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3339 static int need_output(void)
3343 for (i = 0; i < nb_output_streams; i++) {
3344 OutputStream *ost = output_streams[i];
3345 OutputFile *of = output_files[ost->file_index];
3346 AVFormatContext *os = output_files[ost->file_index]->ctx;
3348 if (ost->finished ||
3349 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3351 if (ost->frame_number >= ost->max_frames) {
3353 for (j = 0; j < of->ctx->nb_streams; j++)
3354 close_output_stream(output_streams[of->ost_index + j]);
3365 * Select the output stream to process.
3367 * @return selected output stream, or NULL if none available
3369 static OutputStream *choose_output(void)
3372 int64_t opts_min = INT64_MAX;
3373 OutputStream *ost_min = NULL;
3375 for (i = 0; i < nb_output_streams; i++) {
3376 OutputStream *ost = output_streams[i];
3377 int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
3378 av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3380 if (ost->st->cur_dts == AV_NOPTS_VALUE)
3381 av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid (this is harmless if it occurs once at the start per stream)\n");
3383 if (!ost->finished && opts < opts_min) {
3385 ost_min = ost->unavailable ? NULL : ost;
3391 static void set_tty_echo(int on)
3395 if (tcgetattr(0, &tty) == 0) {
3396 if (on) tty.c_lflag |= ECHO;
3397 else tty.c_lflag &= ~ECHO;
3398 tcsetattr(0, TCSANOW, &tty);
3403 static int check_keyboard_interaction(int64_t cur_time)
3406 static int64_t last_time;
3407 if (received_nb_signals)
3408 return AVERROR_EXIT;
3409 /* read_key() returns 0 on EOF */
3410 if(cur_time - last_time >= 100000 && !run_as_daemon){
3412 last_time = cur_time;
3416 return AVERROR_EXIT;
3417 if (key == '+') av_log_set_level(av_log_get_level()+10);
3418 if (key == '-') av_log_set_level(av_log_get_level()-10);
3419 if (key == 's') qp_hist ^= 1;
3422 do_hex_dump = do_pkt_dump = 0;
3423 } else if(do_pkt_dump){
3427 av_log_set_level(AV_LOG_DEBUG);
3429 if (key == 'c' || key == 'C'){
3430 char buf[4096], target[64], command[256], arg[256] = {0};
3433 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3436 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3441 fprintf(stderr, "\n");
3443 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3444 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3445 target, time, command, arg);
3446 for (i = 0; i < nb_filtergraphs; i++) {
3447 FilterGraph *fg = filtergraphs[i];
3450 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3451 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3452 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3453 } else if (key == 'c') {
3454 fprintf(stderr, "Queuing commands only on filters supporting the specific command is unsupported\n");
3455 ret = AVERROR_PATCHWELCOME;
3457 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3459 fprintf(stderr, "Queuing command failed with error %s\n", av_err2str(ret));
3464 av_log(NULL, AV_LOG_ERROR,
3465 "Parse error, at least 3 arguments were expected, "
3466 "only %d given in string '%s'\n", n, buf);
3469 if (key == 'd' || key == 'D'){
3472 debug = input_streams[0]->st->codec->debug<<1;
3473 if(!debug) debug = 1;
3474 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3481 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3486 fprintf(stderr, "\n");
3487 if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
3488 fprintf(stderr,"error parsing debug value\n");
3490 for(i=0;i<nb_input_streams;i++) {
3491 input_streams[i]->st->codec->debug = debug;
3493 for(i=0;i<nb_output_streams;i++) {
3494 OutputStream *ost = output_streams[i];
3495 ost->enc_ctx->debug = debug;
3497 if(debug) av_log_set_level(AV_LOG_DEBUG);
3498 fprintf(stderr,"debug=%d\n", debug);
3501 fprintf(stderr, "key function\n"
3502 "? show this help\n"
3503 "+ increase verbosity\n"
3504 "- decrease verbosity\n"
3505 "c Send command to first matching filter supporting it\n"
3506 "C Send/Que command to all matching filters\n"
3507 "D cycle through available debug modes\n"
3508 "h dump packets/hex press to cycle through the 3 states\n"
3510 "s Show QP histogram\n"
3517 static void *input_thread(void *arg)
3520 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3525 ret = av_read_frame(f->ctx, &pkt);
3527 if (ret == AVERROR(EAGAIN)) {
3532 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3535 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3536 if (flags && ret == AVERROR(EAGAIN)) {
3538 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3539 av_log(f->ctx, AV_LOG_WARNING,
3540 "Thread message queue blocking; consider raising the "
3541 "thread_queue_size option (current value: %d)\n",
3542 f->thread_queue_size);
3545 if (ret != AVERROR_EOF)
3546 av_log(f->ctx, AV_LOG_ERROR,
3547 "Unable to send packet to main thread: %s\n",
3549 av_packet_unref(&pkt);
3550 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3558 static void free_input_threads(void)
3562 for (i = 0; i < nb_input_files; i++) {
3563 InputFile *f = input_files[i];
3566 if (!f || !f->in_thread_queue)
3568 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3569 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3570 av_packet_unref(&pkt);
3572 pthread_join(f->thread, NULL);
3574 av_thread_message_queue_free(&f->in_thread_queue);
3578 static int init_input_threads(void)
3582 if (nb_input_files == 1)
3585 for (i = 0; i < nb_input_files; i++) {
3586 InputFile *f = input_files[i];
3588 if (f->ctx->pb ? !f->ctx->pb->seekable :
3589 strcmp(f->ctx->iformat->name, "lavfi"))
3590 f->non_blocking = 1;
3591 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3592 f->thread_queue_size, sizeof(AVPacket));
3596 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3597 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3598 av_thread_message_queue_free(&f->in_thread_queue);
3599 return AVERROR(ret);
3605 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3607 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3609 AV_THREAD_MESSAGE_NONBLOCK : 0);
3613 static int get_input_packet(InputFile *f, AVPacket *pkt)
3617 for (i = 0; i < f->nb_streams; i++) {
3618 InputStream *ist = input_streams[f->ist_index + i];
3619 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3620 int64_t now = av_gettime_relative() - ist->start;
3622 return AVERROR(EAGAIN);
3627 if (nb_input_files > 1)
3628 return get_input_packet_mt(f, pkt);
3630 return av_read_frame(f->ctx, pkt);
3633 static int got_eagain(void)
3636 for (i = 0; i < nb_output_streams; i++)
3637 if (output_streams[i]->unavailable)
3642 static void reset_eagain(void)
3645 for (i = 0; i < nb_input_files; i++)
3646 input_files[i]->eagain = 0;
3647 for (i = 0; i < nb_output_streams; i++)
3648 output_streams[i]->unavailable = 0;
3651 // set duration to max(tmp, duration) in a proper time base and return duration's time_base
3652 static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
3653 AVRational time_base)
3659 return tmp_time_base;
3662 ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
3665 return tmp_time_base;
3671 static int seek_to_start(InputFile *ifile, AVFormatContext *is)
3674 AVCodecContext *avctx;
3675 int i, ret, has_audio = 0;
3676 int64_t duration = 0;
3678 ret = av_seek_frame(is, -1, is->start_time, 0);
3682 for (i = 0; i < ifile->nb_streams; i++) {
3683 ist = input_streams[ifile->ist_index + i];
3684 avctx = ist->dec_ctx;
3687 if (ist->decoding_needed) {
3688 process_input_packet(ist, NULL, 1);
3689 avcodec_flush_buffers(avctx);
3692 /* duration is the length of the last frame in a stream
3693 * when audio stream is present we don't care about
3694 * last video frame length because it's not defined exactly */
3695 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
3699 for (i = 0; i < ifile->nb_streams; i++) {
3700 ist = input_streams[ifile->ist_index + i];
3701 avctx = ist->dec_ctx;
3704 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
3705 AVRational sample_rate = {1, avctx->sample_rate};
3707 duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
3711 if (ist->framerate.num) {
3712 duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
3713 } else if (ist->st->avg_frame_rate.num) {
3714 duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
3715 } else duration = 1;
3717 if (!ifile->duration)
3718 ifile->time_base = ist->st->time_base;
3719 /* the total duration of the stream, max_pts - min_pts is
3720 * the duration of the stream without the last frame */
3721 duration += ist->max_pts - ist->min_pts;
3722 ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
3726 if (ifile->loop > 0)
3734 * - 0 -- one packet was read and processed
3735 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3736 * this function should be called again
3737 * - AVERROR_EOF -- this function should not be called again
3739 static int process_input(int file_index)
3741 InputFile *ifile = input_files[file_index];
3742 AVFormatContext *is;
3750 ret = get_input_packet(ifile, &pkt);
3752 if (ret == AVERROR(EAGAIN)) {
3756 if (ret < 0 && ifile->loop) {
3757 if ((ret = seek_to_start(ifile, is)) < 0)
3759 ret = get_input_packet(ifile, &pkt);
3760 if (ret == AVERROR(EAGAIN)) {
3766 if (ret != AVERROR_EOF) {
3767 print_error(is->filename, ret);
3772 for (i = 0; i < ifile->nb_streams; i++) {
3773 ist = input_streams[ifile->ist_index + i];
3774 if (ist->decoding_needed) {
3775 ret = process_input_packet(ist, NULL, 0);
3780 /* mark all outputs that don't go through lavfi as finished */
3781 for (j = 0; j < nb_output_streams; j++) {
3782 OutputStream *ost = output_streams[j];
3784 if (ost->source_index == ifile->ist_index + i &&
3785 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3786 finish_output_stream(ost);
3790 ifile->eof_reached = 1;
3791 return AVERROR(EAGAIN);
3797 av_pkt_dump_log2(NULL, AV_LOG_INFO, &pkt, do_hex_dump,
3798 is->streams[pkt.stream_index]);
3800 /* the following test is needed in case new streams appear
3801 dynamically in stream : we ignore them */
3802 if (pkt.stream_index >= ifile->nb_streams) {
3803 report_new_stream(file_index, &pkt);
3804 goto discard_packet;
3807 ist = input_streams[ifile->ist_index + pkt.stream_index];
3809 ist->data_size += pkt.size;
3813 goto discard_packet;
3815 if (exit_on_error && (pkt.flags & AV_PKT_FLAG_CORRUPT)) {
3816 av_log(NULL, AV_LOG_FATAL, "%s: corrupt input packet in stream %d\n", is->filename, pkt.stream_index);
3821 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3822 "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",
3823 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3824 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3825 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3826 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3827 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3828 av_ts2str(input_files[ist->file_index]->ts_offset),
3829 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3832 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3833 int64_t stime, stime2;
3834 // Correcting starttime based on the enabled streams
3835 // 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.
3836 // so we instead do it here as part of discontinuity handling
3837 if ( ist->next_dts == AV_NOPTS_VALUE
3838 && ifile->ts_offset == -is->start_time
3839 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3840 int64_t new_start_time = INT64_MAX;
3841 for (i=0; i<is->nb_streams; i++) {
3842 AVStream *st = is->streams[i];
3843 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3845 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3847 if (new_start_time > is->start_time) {
3848 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3849 ifile->ts_offset = -new_start_time;
3853 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3854 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3855 ist->wrap_correction_done = 1;
3857 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3858 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3859 ist->wrap_correction_done = 0;
3861 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3862 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3863 ist->wrap_correction_done = 0;
3867 /* add the stream-global side data to the first packet */
3868 if (ist->nb_packets == 1) {
3869 if (ist->st->nb_side_data)
3870 av_packet_split_side_data(&pkt);
3871 for (i = 0; i < ist->st->nb_side_data; i++) {
3872 AVPacketSideData *src_sd = &ist->st->side_data[i];
3875 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3877 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3880 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3884 memcpy(dst_data, src_sd->data, src_sd->size);
3888 if (pkt.dts != AV_NOPTS_VALUE)
3889 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3890 if (pkt.pts != AV_NOPTS_VALUE)
3891 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3893 if (pkt.pts != AV_NOPTS_VALUE)
3894 pkt.pts *= ist->ts_scale;
3895 if (pkt.dts != AV_NOPTS_VALUE)
3896 pkt.dts *= ist->ts_scale;
3898 pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
3899 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3900 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3901 pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3902 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3903 int64_t delta = pkt_dts - ifile->last_ts;
3904 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3905 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3906 ifile->ts_offset -= delta;
3907 av_log(NULL, AV_LOG_DEBUG,
3908 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3909 delta, ifile->ts_offset);
3910 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3911 if (pkt.pts != AV_NOPTS_VALUE)
3912 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3916 duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
3917 if (pkt.pts != AV_NOPTS_VALUE) {
3918 pkt.pts += duration;
3919 ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
3920 ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
3923 if (pkt.dts != AV_NOPTS_VALUE)
3924 pkt.dts += duration;
3926 pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
3927 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3928 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3929 pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3931 int64_t delta = pkt_dts - ist->next_dts;
3932 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3933 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3934 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3935 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3936 ifile->ts_offset -= delta;
3937 av_log(NULL, AV_LOG_DEBUG,
3938 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3939 delta, ifile->ts_offset);
3940 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3941 if (pkt.pts != AV_NOPTS_VALUE)
3942 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3945 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3946 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3947 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3948 pkt.dts = AV_NOPTS_VALUE;
3950 if (pkt.pts != AV_NOPTS_VALUE){
3951 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3952 delta = pkt_pts - ist->next_dts;
3953 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3954 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3955 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3956 pkt.pts = AV_NOPTS_VALUE;
3962 if (pkt.dts != AV_NOPTS_VALUE)
3963 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3966 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",
3967 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3968 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3969 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3970 av_ts2str(input_files[ist->file_index]->ts_offset),
3971 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3974 sub2video_heartbeat(ist, pkt.pts);
3976 process_input_packet(ist, &pkt, 0);
3979 av_packet_unref(&pkt);
3985 * Perform a step of transcoding for the specified filter graph.
3987 * @param[in] graph filter graph to consider
3988 * @param[out] best_ist input stream where a frame would allow to continue
3989 * @return 0 for success, <0 for error
3991 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3994 int nb_requests, nb_requests_max = 0;
3995 InputFilter *ifilter;
3999 ret = avfilter_graph_request_oldest(graph->graph);
4001 return reap_filters(0);
4003 if (ret == AVERROR_EOF) {
4004 ret = reap_filters(1);
4005 for (i = 0; i < graph->nb_outputs; i++)
4006 close_output_stream(graph->outputs[i]->ost);
4009 if (ret != AVERROR(EAGAIN))
4012 for (i = 0; i < graph->nb_inputs; i++) {
4013 ifilter = graph->inputs[i];
4015 if (input_files[ist->file_index]->eagain ||
4016 input_files[ist->file_index]->eof_reached)
4018 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
4019 if (nb_requests > nb_requests_max) {
4020 nb_requests_max = nb_requests;
4026 for (i = 0; i < graph->nb_outputs; i++)
4027 graph->outputs[i]->ost->unavailable = 1;
4033 * Run a single step of transcoding.
4035 * @return 0 for success, <0 for error
4037 static int transcode_step(void)
4043 ost = choose_output();
4050 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
4055 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
4060 av_assert0(ost->source_index >= 0);
4061 ist = input_streams[ost->source_index];
4064 ret = process_input(ist->file_index);
4065 if (ret == AVERROR(EAGAIN)) {
4066 if (input_files[ist->file_index]->eagain)
4067 ost->unavailable = 1;
4072 return ret == AVERROR_EOF ? 0 : ret;
4074 return reap_filters(0);
4078 * The following code is the main loop of the file converter
4080 static int transcode(void)
4083 AVFormatContext *os;
4086 int64_t timer_start;
4087 int64_t total_packets_written = 0;
4089 ret = transcode_init();
4093 if (stdin_interaction) {
4094 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
4097 timer_start = av_gettime_relative();
4100 if ((ret = init_input_threads()) < 0)
4104 while (!received_sigterm) {
4105 int64_t cur_time= av_gettime_relative();
4107 /* if 'q' pressed, exits */
4108 if (stdin_interaction)
4109 if (check_keyboard_interaction(cur_time) < 0)
4112 /* check if there's any stream where output is still needed */
4113 if (!need_output()) {
4114 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
4118 ret = transcode_step();
4119 if (ret < 0 && ret != AVERROR_EOF) {
4121 av_strerror(ret, errbuf, sizeof(errbuf));
4123 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
4127 /* dump report by using the output first video and audio streams */
4128 print_report(0, timer_start, cur_time);
4131 free_input_threads();
4134 /* at the end of stream, we must flush the decoder buffers */
4135 for (i = 0; i < nb_input_streams; i++) {
4136 ist = input_streams[i];
4137 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
4138 process_input_packet(ist, NULL, 0);
4145 /* write the trailer if needed and close file */
4146 for (i = 0; i < nb_output_files; i++) {
4147 os = output_files[i]->ctx;
4148 if ((ret = av_write_trailer(os)) < 0) {
4149 av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s", os->filename, av_err2str(ret));
4155 /* dump report by using the first video and audio streams */
4156 print_report(1, timer_start, av_gettime_relative());
4158 /* close each encoder */
4159 for (i = 0; i < nb_output_streams; i++) {
4160 ost = output_streams[i];
4161 if (ost->encoding_needed) {
4162 av_freep(&ost->enc_ctx->stats_in);
4164 total_packets_written += ost->packets_written;
4167 if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
4168 av_log(NULL, AV_LOG_FATAL, "Empty output\n");
4172 /* close each decoder */
4173 for (i = 0; i < nb_input_streams; i++) {
4174 ist = input_streams[i];
4175 if (ist->decoding_needed) {
4176 avcodec_close(ist->dec_ctx);
4177 if (ist->hwaccel_uninit)
4178 ist->hwaccel_uninit(ist->dec_ctx);
4182 av_buffer_unref(&hw_device_ctx);
4189 free_input_threads();
4192 if (output_streams) {
4193 for (i = 0; i < nb_output_streams; i++) {
4194 ost = output_streams[i];
4197 if (fclose(ost->logfile))
4198 av_log(NULL, AV_LOG_ERROR,
4199 "Error closing logfile, loss of information possible: %s\n",
4200 av_err2str(AVERROR(errno)));
4201 ost->logfile = NULL;
4203 av_freep(&ost->forced_kf_pts);
4204 av_freep(&ost->apad);
4205 av_freep(&ost->disposition);
4206 av_dict_free(&ost->encoder_opts);
4207 av_dict_free(&ost->sws_dict);
4208 av_dict_free(&ost->swr_opts);
4209 av_dict_free(&ost->resample_opts);
4217 static int64_t getutime(void)
4220 struct rusage rusage;
4222 getrusage(RUSAGE_SELF, &rusage);
4223 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4224 #elif HAVE_GETPROCESSTIMES
4226 FILETIME c, e, k, u;
4227 proc = GetCurrentProcess();
4228 GetProcessTimes(proc, &c, &e, &k, &u);
4229 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4231 return av_gettime_relative();
4235 static int64_t getmaxrss(void)
4237 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4238 struct rusage rusage;
4239 getrusage(RUSAGE_SELF, &rusage);
4240 return (int64_t)rusage.ru_maxrss * 1024;
4241 #elif HAVE_GETPROCESSMEMORYINFO
4243 PROCESS_MEMORY_COUNTERS memcounters;
4244 proc = GetCurrentProcess();
4245 memcounters.cb = sizeof(memcounters);
4246 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4247 return memcounters.PeakPagefileUsage;
4253 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4257 int main(int argc, char **argv)
4264 register_exit(ffmpeg_cleanup);
4266 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4268 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4269 parse_loglevel(argc, argv, options);
4271 if(argc>1 && !strcmp(argv[1], "-d")){
4273 av_log_set_callback(log_callback_null);
4278 avcodec_register_all();
4280 avdevice_register_all();
4282 avfilter_register_all();
4284 avformat_network_init();
4286 show_banner(argc, argv, options);
4290 /* parse options and open all input/output files */
4291 ret = ffmpeg_parse_options(argc, argv);
4295 if (nb_output_files <= 0 && nb_input_files == 0) {
4297 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4301 /* file converter / grab */
4302 if (nb_output_files <= 0) {
4303 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4307 // if (nb_input_files == 0) {
4308 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4312 current_time = ti = getutime();
4313 if (transcode() < 0)
4315 ti = getutime() - ti;
4317 av_log(NULL, AV_LOG_INFO, "bench: utime=%0.3fs\n", ti / 1000000.0);
4319 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4320 decode_error_stat[0], decode_error_stat[1]);
4321 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4324 exit_program(received_nb_signals ? 255 : main_return_code);
4325 return main_return_code;