2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavcodec/mathops.h"
64 #include "libavformat/os_support.h"
66 # include "libavfilter/avcodec.h"
67 # include "libavfilter/avfilter.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
73 #include <sys/types.h>
74 #include <sys/resource.h>
75 #elif HAVE_GETPROCESSTIMES
78 #if HAVE_GETPROCESSMEMORYINFO
84 #include <sys/select.h>
89 #include <sys/ioctl.h>
103 #include "cmdutils.h"
105 #include "libavutil/avassert.h"
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 static FILE *vstats_file;
112 const char *const forced_keyframes_const_names[] = {
121 static void do_video_stats(OutputStream *ost, int frame_size);
122 static int64_t getutime(void);
123 static int64_t getmaxrss(void);
125 static int run_as_daemon = 0;
126 static int nb_frames_dup = 0;
127 static int nb_frames_drop = 0;
128 static int64_t decode_error_stat[2];
130 static int current_time;
131 AVIOContext *progress_avio = NULL;
133 static uint8_t *subtitle_out;
135 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
137 InputStream **input_streams = NULL;
138 int nb_input_streams = 0;
139 InputFile **input_files = NULL;
140 int nb_input_files = 0;
142 OutputStream **output_streams = NULL;
143 int nb_output_streams = 0;
144 OutputFile **output_files = NULL;
145 int nb_output_files = 0;
147 FilterGraph **filtergraphs;
152 /* init terminal so that we can grab keys */
153 static struct termios oldtty;
154 static int restore_tty;
158 static void free_input_threads(void);
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
166 static int sub2video_get_blank_frame(InputStream *ist)
169 AVFrame *frame = ist->sub2video.frame;
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->sub2video.w;
173 ist->sub2video.frame->height = ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
181 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
184 uint32_t *pal, *dst2;
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
197 dst += r->y * dst_linesize + r->x * 4;
198 src = r->pict.data[0];
199 pal = (uint32_t *)r->pict.data[1];
200 for (y = 0; y < r->h; y++) {
201 dst2 = (uint32_t *)dst;
203 for (x = 0; x < r->w; x++)
204 *(dst2++) = pal[*(src2++)];
206 src += r->pict.linesize[0];
210 static void sub2video_push_ref(InputStream *ist, int64_t pts)
212 AVFrame *frame = ist->sub2video.frame;
215 av_assert1(frame->data[0]);
216 ist->sub2video.last_pts = frame->pts = pts;
217 for (i = 0; i < ist->nb_filters; i++)
218 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
219 AV_BUFFERSRC_FLAG_KEEP_REF |
220 AV_BUFFERSRC_FLAG_PUSH);
223 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
225 int w = ist->sub2video.w, h = ist->sub2video.h;
226 AVFrame *frame = ist->sub2video.frame;
230 int64_t pts, end_pts;
235 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
236 AV_TIME_BASE_Q, ist->st->time_base);
237 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
238 AV_TIME_BASE_Q, ist->st->time_base);
239 num_rects = sub->num_rects;
241 pts = ist->sub2video.end_pts;
245 if (sub2video_get_blank_frame(ist) < 0) {
246 av_log(ist->dec_ctx, AV_LOG_ERROR,
247 "Impossible to get a blank canvas.\n");
250 dst = frame->data [0];
251 dst_linesize = frame->linesize[0];
252 for (i = 0; i < num_rects; i++)
253 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
254 sub2video_push_ref(ist, pts);
255 ist->sub2video.end_pts = end_pts;
258 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
260 InputFile *infile = input_files[ist->file_index];
264 /* When a frame is read from a file, examine all sub2video streams in
265 the same file and send the sub2video frame again. Otherwise, decoded
266 video frames could be accumulating in the filter graph while a filter
267 (possibly overlay) is desperately waiting for a subtitle frame. */
268 for (i = 0; i < infile->nb_streams; i++) {
269 InputStream *ist2 = input_streams[infile->ist_index + i];
270 if (!ist2->sub2video.frame)
272 /* subtitles seem to be usually muxed ahead of other streams;
273 if not, subtracting a larger time here is necessary */
274 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
275 /* do not send the heartbeat frame if the subtitle is already ahead */
276 if (pts2 <= ist2->sub2video.last_pts)
278 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
279 sub2video_update(ist2, NULL);
280 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
281 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
283 sub2video_push_ref(ist2, pts2);
287 static void sub2video_flush(InputStream *ist)
291 if (ist->sub2video.end_pts < INT64_MAX)
292 sub2video_update(ist, NULL);
293 for (i = 0; i < ist->nb_filters; i++)
294 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
297 /* end of sub2video hack */
299 static void term_exit_sigsafe(void)
303 tcsetattr (0, TCSANOW, &oldtty);
309 av_log(NULL, AV_LOG_QUIET, "%s", "");
313 static volatile int received_sigterm = 0;
314 static volatile int received_nb_signals = 0;
315 static volatile int transcode_init_done = 0;
316 static int main_return_code = 0;
319 sigterm_handler(int sig)
321 received_sigterm = sig;
322 received_nb_signals++;
324 if(received_nb_signals > 3)
335 istty = isatty(0) && isatty(2);
337 if (istty && tcgetattr (0, &tty) == 0) {
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 avformat_network_deinit();
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
360 signal(SIGXCPU, sigterm_handler);
364 /* read a key without blocking */
365 static int read_key(void)
377 n = select(1, &rfds, NULL, NULL, &tv);
386 # if HAVE_PEEKNAMEDPIPE
388 static HANDLE input_handle;
391 input_handle = GetStdHandle(STD_INPUT_HANDLE);
392 is_pipe = !GetConsoleMode(input_handle, &dw);
395 if (stdin->_cnt > 0) {
400 /* When running under a GUI, you will end here. */
401 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
402 // input pipe may have been closed by the program that ran ffmpeg
420 static int decode_interrupt_cb(void *ctx)
422 return received_nb_signals > transcode_init_done;
425 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
427 static void ffmpeg_cleanup(int ret)
432 int maxrss = getmaxrss() / 1024;
433 printf("bench: maxrss=%ikB\n", maxrss);
436 for (i = 0; i < nb_filtergraphs; i++) {
437 FilterGraph *fg = filtergraphs[i];
438 avfilter_graph_free(&fg->graph);
439 for (j = 0; j < fg->nb_inputs; j++) {
440 av_freep(&fg->inputs[j]->name);
441 av_freep(&fg->inputs[j]);
443 av_freep(&fg->inputs);
444 for (j = 0; j < fg->nb_outputs; j++) {
445 av_freep(&fg->outputs[j]->name);
446 av_freep(&fg->outputs[j]);
448 av_freep(&fg->outputs);
449 av_freep(&fg->graph_desc);
451 av_freep(&filtergraphs[i]);
453 av_freep(&filtergraphs);
455 av_freep(&subtitle_out);
458 for (i = 0; i < nb_output_files; i++) {
459 OutputFile *of = output_files[i];
460 AVFormatContext *s = of->ctx;
461 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
463 avformat_free_context(s);
464 av_dict_free(&of->opts);
466 av_freep(&output_files[i]);
468 for (i = 0; i < nb_output_streams; i++) {
469 OutputStream *ost = output_streams[i];
470 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
472 AVBitStreamFilterContext *next = bsfc->next;
473 av_bitstream_filter_close(bsfc);
476 ost->bitstream_filters = NULL;
477 av_frame_free(&ost->filtered_frame);
478 av_frame_free(&ost->last_frame);
480 av_parser_close(ost->parser);
482 av_freep(&ost->forced_keyframes);
483 av_expr_free(ost->forced_keyframes_pexpr);
484 av_freep(&ost->avfilter);
485 av_freep(&ost->logfile_prefix);
487 av_freep(&ost->audio_channels_map);
488 ost->audio_channels_mapped = 0;
490 avcodec_free_context(&ost->enc_ctx);
492 av_freep(&output_streams[i]);
495 free_input_threads();
497 for (i = 0; i < nb_input_files; i++) {
498 avformat_close_input(&input_files[i]->ctx);
499 av_freep(&input_files[i]);
501 for (i = 0; i < nb_input_streams; i++) {
502 InputStream *ist = input_streams[i];
504 av_frame_free(&ist->decoded_frame);
505 av_frame_free(&ist->filter_frame);
506 av_dict_free(&ist->decoder_opts);
507 avsubtitle_free(&ist->prev_sub.subtitle);
508 av_frame_free(&ist->sub2video.frame);
509 av_freep(&ist->filters);
510 av_freep(&ist->hwaccel_device);
512 avcodec_free_context(&ist->dec_ctx);
514 av_freep(&input_streams[i]);
519 av_freep(&vstats_filename);
521 av_freep(&input_streams);
522 av_freep(&input_files);
523 av_freep(&output_streams);
524 av_freep(&output_files);
528 avformat_network_deinit();
530 if (received_sigterm) {
531 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
532 (int) received_sigterm);
533 } else if (ret && transcode_init_done) {
534 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
539 void remove_avoptions(AVDictionary **a, AVDictionary *b)
541 AVDictionaryEntry *t = NULL;
543 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
544 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
548 void assert_avoptions(AVDictionary *m)
550 AVDictionaryEntry *t;
551 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
552 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
557 static void abort_codec_experimental(AVCodec *c, int encoder)
562 static void update_benchmark(const char *fmt, ...)
564 if (do_benchmark_all) {
565 int64_t t = getutime();
571 vsnprintf(buf, sizeof(buf), fmt, va);
573 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
579 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
582 for (i = 0; i < nb_output_streams; i++) {
583 OutputStream *ost2 = output_streams[i];
584 ost2->finished |= ost == ost2 ? this_stream : others;
588 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
590 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
591 AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
594 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
595 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
596 if (ost->st->codec->extradata) {
597 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
598 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
602 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
603 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
604 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
607 * Audio encoders may split the packets -- #frames in != #packets out.
608 * But there is no reordering, so we can limit the number of output packets
609 * by simply dropping them here.
610 * Counting encoded video frames needs to be done separately because of
611 * reordering, see do_video_out()
613 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
614 if (ost->frame_number >= ost->max_frames) {
622 av_packet_split_side_data(pkt);
625 AVPacket new_pkt = *pkt;
626 AVDictionaryEntry *bsf_arg = av_dict_get(ost->bsf_args,
629 int a = av_bitstream_filter_filter(bsfc, avctx,
630 bsf_arg ? bsf_arg->value : NULL,
631 &new_pkt.data, &new_pkt.size,
632 pkt->data, pkt->size,
633 pkt->flags & AV_PKT_FLAG_KEY);
634 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
635 uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
637 memcpy(t, new_pkt.data, new_pkt.size);
638 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
646 pkt->side_data = NULL;
647 pkt->side_data_elems = 0;
649 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
650 av_buffer_default_free, NULL, 0);
654 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
655 bsfc->filter->name, pkt->stream_index,
656 avctx->codec ? avctx->codec->name : "copy");
666 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
667 if (pkt->dts != AV_NOPTS_VALUE &&
668 pkt->pts != AV_NOPTS_VALUE &&
669 pkt->dts > pkt->pts) {
670 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
672 ost->file_index, ost->st->index);
674 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
675 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
676 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
679 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
680 pkt->dts != AV_NOPTS_VALUE &&
681 ost->last_mux_dts != AV_NOPTS_VALUE) {
682 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
683 if (pkt->dts < max) {
684 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
685 av_log(s, loglevel, "Non-monotonous DTS in output stream "
686 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
687 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
689 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
692 av_log(s, loglevel, "changing to %"PRId64". This may result "
693 "in incorrect timestamps in the output file.\n",
695 if(pkt->pts >= pkt->dts)
696 pkt->pts = FFMAX(pkt->pts, max);
701 ost->last_mux_dts = pkt->dts;
703 ost->data_size += pkt->size;
704 ost->packets_written++;
706 pkt->stream_index = ost->index;
709 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
710 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
711 av_get_media_type_string(ost->enc_ctx->codec_type),
712 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
713 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
718 ret = av_interleaved_write_frame(s, pkt);
720 print_error("av_interleaved_write_frame()", ret);
721 main_return_code = 1;
722 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
727 static void close_output_stream(OutputStream *ost)
729 OutputFile *of = output_files[ost->file_index];
731 ost->finished |= ENCODER_FINISHED;
733 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
734 of->recording_time = FFMIN(of->recording_time, end);
738 static int check_recording_time(OutputStream *ost)
740 OutputFile *of = output_files[ost->file_index];
742 if (of->recording_time != INT64_MAX &&
743 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
744 AV_TIME_BASE_Q) >= 0) {
745 close_output_stream(ost);
751 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
754 AVCodecContext *enc = ost->enc_ctx;
758 av_init_packet(&pkt);
762 if (!check_recording_time(ost))
765 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
766 frame->pts = ost->sync_opts;
767 ost->sync_opts = frame->pts + frame->nb_samples;
768 ost->samples_encoded += frame->nb_samples;
769 ost->frames_encoded++;
771 av_assert0(pkt.size || !pkt.data);
772 update_benchmark(NULL);
774 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
775 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
776 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
777 enc->time_base.num, enc->time_base.den);
780 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
781 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
784 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
787 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
790 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
791 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
792 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
793 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
796 write_frame(s, &pkt, ost);
800 static void do_subtitle_out(AVFormatContext *s,
805 int subtitle_out_max_size = 1024 * 1024;
806 int subtitle_out_size, nb, i;
811 if (sub->pts == AV_NOPTS_VALUE) {
812 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
821 subtitle_out = av_malloc(subtitle_out_max_size);
823 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
828 /* Note: DVB subtitle need one packet to draw them and one other
829 packet to clear them */
830 /* XXX: signal it in the codec context ? */
831 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
836 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
838 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
839 pts -= output_files[ost->file_index]->start_time;
840 for (i = 0; i < nb; i++) {
841 unsigned save_num_rects = sub->num_rects;
843 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
844 if (!check_recording_time(ost))
848 // start_display_time is required to be 0
849 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
850 sub->end_display_time -= sub->start_display_time;
851 sub->start_display_time = 0;
855 ost->frames_encoded++;
857 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
858 subtitle_out_max_size, sub);
860 sub->num_rects = save_num_rects;
861 if (subtitle_out_size < 0) {
862 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
866 av_init_packet(&pkt);
867 pkt.data = subtitle_out;
868 pkt.size = subtitle_out_size;
869 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
870 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
871 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
872 /* XXX: the pts correction is handled here. Maybe handling
873 it in the codec would be better */
875 pkt.pts += 90 * sub->start_display_time;
877 pkt.pts += 90 * sub->end_display_time;
880 write_frame(s, &pkt, ost);
884 static void do_video_out(AVFormatContext *s,
886 AVFrame *next_picture,
889 int ret, format_video_sync;
891 AVCodecContext *enc = ost->enc_ctx;
892 AVCodecContext *mux_enc = ost->st->codec;
893 int nb_frames, nb0_frames, i;
894 double delta, delta0;
897 InputStream *ist = NULL;
898 AVFilterContext *filter = ost->filter->filter;
900 if (ost->source_index >= 0)
901 ist = input_streams[ost->source_index];
903 if (filter->inputs[0]->frame_rate.num > 0 &&
904 filter->inputs[0]->frame_rate.den > 0)
905 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
907 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
908 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
910 if (!ost->filters_script &&
914 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
915 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
920 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
921 ost->last_nb0_frames[1],
922 ost->last_nb0_frames[2]);
924 delta0 = sync_ipts - ost->sync_opts;
925 delta = delta0 + duration;
927 /* by default, we output a single frame */
931 format_video_sync = video_sync_method;
932 if (format_video_sync == VSYNC_AUTO) {
933 if(!strcmp(s->oformat->name, "avi")) {
934 format_video_sync = VSYNC_VFR;
936 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
938 && format_video_sync == VSYNC_CFR
939 && input_files[ist->file_index]->ctx->nb_streams == 1
940 && input_files[ist->file_index]->input_ts_offset == 0) {
941 format_video_sync = VSYNC_VSCFR;
943 if (format_video_sync == VSYNC_CFR && copy_ts) {
944 format_video_sync = VSYNC_VSCFR;
950 format_video_sync != VSYNC_PASSTHROUGH &&
951 format_video_sync != VSYNC_DROP) {
952 double cor = FFMIN(-delta0, duration);
954 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
956 av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
962 switch (format_video_sync) {
964 if (ost->frame_number == 0 && delta - duration >= 0.5) {
965 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
968 ost->sync_opts = lrint(sync_ipts);
971 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
972 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
974 } else if (delta < -1.1)
976 else if (delta > 1.1) {
977 nb_frames = lrintf(delta);
979 nb0_frames = lrintf(delta0 - 0.6);
985 else if (delta > 0.6)
986 ost->sync_opts = lrint(sync_ipts);
989 case VSYNC_PASSTHROUGH:
990 ost->sync_opts = lrint(sync_ipts);
997 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
998 nb0_frames = FFMIN(nb0_frames, nb_frames);
1000 memmove(ost->last_nb0_frames + 1,
1001 ost->last_nb0_frames,
1002 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1003 ost->last_nb0_frames[0] = nb0_frames;
1005 if (nb0_frames == 0 && ost->last_droped) {
1007 av_log(NULL, AV_LOG_VERBOSE,
1008 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1009 ost->frame_number, ost->st->index, ost->last_frame->pts);
1011 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
1012 if (nb_frames > dts_error_threshold * 30) {
1013 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1017 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
1018 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1020 ost->last_droped = nb_frames == nb0_frames && next_picture;
1022 /* duplicates frame if needed */
1023 for (i = 0; i < nb_frames; i++) {
1024 AVFrame *in_picture;
1025 av_init_packet(&pkt);
1029 if (i < nb0_frames && ost->last_frame) {
1030 in_picture = ost->last_frame;
1032 in_picture = next_picture;
1037 in_picture->pts = ost->sync_opts;
1040 if (!check_recording_time(ost))
1042 if (ost->frame_number >= ost->max_frames)
1046 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1047 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1048 /* raw pictures are written as AVPicture structure to
1049 avoid any copies. We support temporarily the older
1051 if (in_picture->interlaced_frame)
1052 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1054 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1055 pkt.data = (uint8_t *)in_picture;
1056 pkt.size = sizeof(AVPicture);
1057 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1058 pkt.flags |= AV_PKT_FLAG_KEY;
1060 write_frame(s, &pkt, ost);
1062 int got_packet, forced_keyframe = 0;
1065 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1066 ost->top_field_first >= 0)
1067 in_picture->top_field_first = !!ost->top_field_first;
1069 if (in_picture->interlaced_frame) {
1070 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1071 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1073 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1075 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1077 in_picture->quality = enc->global_quality;
1078 in_picture->pict_type = 0;
1080 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1081 in_picture->pts * av_q2d(enc->time_base) : NAN;
1082 if (ost->forced_kf_index < ost->forced_kf_count &&
1083 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1084 ost->forced_kf_index++;
1085 forced_keyframe = 1;
1086 } else if (ost->forced_keyframes_pexpr) {
1088 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1089 res = av_expr_eval(ost->forced_keyframes_pexpr,
1090 ost->forced_keyframes_expr_const_values, NULL);
1091 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1092 ost->forced_keyframes_expr_const_values[FKF_N],
1093 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1094 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1095 ost->forced_keyframes_expr_const_values[FKF_T],
1096 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1099 forced_keyframe = 1;
1100 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1101 ost->forced_keyframes_expr_const_values[FKF_N];
1102 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1103 ost->forced_keyframes_expr_const_values[FKF_T];
1104 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1107 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1110 if (forced_keyframe) {
1111 in_picture->pict_type = AV_PICTURE_TYPE_I;
1112 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1115 update_benchmark(NULL);
1117 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1118 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1119 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1120 enc->time_base.num, enc->time_base.den);
1123 ost->frames_encoded++;
1125 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1126 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1128 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1134 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1135 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1136 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1137 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1140 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1141 pkt.pts = ost->sync_opts;
1143 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1146 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1147 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1148 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1149 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1152 frame_size = pkt.size;
1153 write_frame(s, &pkt, ost);
1155 /* if two pass, output log */
1156 if (ost->logfile && enc->stats_out) {
1157 fprintf(ost->logfile, "%s", enc->stats_out);
1163 * For video, number of frames in == number of packets out.
1164 * But there may be reordering, so we can't throw away frames on encoder
1165 * flush, we need to limit them here, before they go into encoder.
1167 ost->frame_number++;
1169 if (vstats_filename && frame_size)
1170 do_video_stats(ost, frame_size);
1173 if (!ost->last_frame)
1174 ost->last_frame = av_frame_alloc();
1175 av_frame_unref(ost->last_frame);
1177 av_frame_ref(ost->last_frame, next_picture);
1180 static double psnr(double d)
1182 return -10.0 * log(d) / log(10.0);
1185 static void do_video_stats(OutputStream *ost, int frame_size)
1187 AVCodecContext *enc;
1189 double ti1, bitrate, avg_bitrate;
1191 /* this is executed just the first time do_video_stats is called */
1193 vstats_file = fopen(vstats_filename, "w");
1201 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1202 frame_number = ost->st->nb_frames;
1203 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame ? enc->coded_frame->quality / (float)FF_QP2LAMBDA : 0);
1204 if (enc->coded_frame && (enc->flags&CODEC_FLAG_PSNR))
1205 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1207 fprintf(vstats_file,"f_size= %6d ", frame_size);
1208 /* compute pts value */
1209 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1213 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1214 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1215 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1216 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1217 fprintf(vstats_file, "type= %c\n", enc->coded_frame ? av_get_picture_type_char(enc->coded_frame->pict_type) : 'I');
1221 static void finish_output_stream(OutputStream *ost)
1223 OutputFile *of = output_files[ost->file_index];
1226 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1229 for (i = 0; i < of->ctx->nb_streams; i++)
1230 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1235 * Get and encode new output from any of the filtergraphs, without causing
1238 * @return 0 for success, <0 for severe errors
1240 static int reap_filters(int flush)
1242 AVFrame *filtered_frame = NULL;
1245 /* Reap all buffers present in the buffer sinks */
1246 for (i = 0; i < nb_output_streams; i++) {
1247 OutputStream *ost = output_streams[i];
1248 OutputFile *of = output_files[ost->file_index];
1249 AVFilterContext *filter;
1250 AVCodecContext *enc = ost->enc_ctx;
1255 filter = ost->filter->filter;
1257 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1258 return AVERROR(ENOMEM);
1260 filtered_frame = ost->filtered_frame;
1263 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1264 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1265 AV_BUFFERSINK_FLAG_NO_REQUEST);
1267 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1268 av_log(NULL, AV_LOG_WARNING,
1269 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1271 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1272 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1276 if (ost->finished) {
1277 av_frame_unref(filtered_frame);
1280 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1281 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1282 AVRational tb = enc->time_base;
1283 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1285 tb.den <<= extra_bits;
1287 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1288 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1289 float_pts /= 1 << extra_bits;
1290 // 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
1291 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1293 filtered_frame->pts =
1294 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1295 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1297 //if (ost->source_index >= 0)
1298 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1300 switch (filter->inputs[0]->type) {
1301 case AVMEDIA_TYPE_VIDEO:
1302 if (!ost->frame_aspect_ratio.num)
1303 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1306 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1307 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1309 enc->time_base.num, enc->time_base.den);
1312 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1314 case AVMEDIA_TYPE_AUDIO:
1315 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1316 enc->channels != av_frame_get_channels(filtered_frame)) {
1317 av_log(NULL, AV_LOG_ERROR,
1318 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1321 do_audio_out(of->ctx, ost, filtered_frame);
1324 // TODO support subtitle filters
1328 av_frame_unref(filtered_frame);
1335 static void print_final_stats(int64_t total_size)
1337 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1338 uint64_t subtitle_size = 0;
1339 uint64_t data_size = 0;
1340 float percent = -1.0;
1343 for (i = 0; i < nb_output_streams; i++) {
1344 OutputStream *ost = output_streams[i];
1345 switch (ost->enc_ctx->codec_type) {
1346 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1347 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1348 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1349 default: other_size += ost->data_size; break;
1351 extra_size += ost->enc_ctx->extradata_size;
1352 data_size += ost->data_size;
1355 if (data_size && total_size>0 && total_size >= data_size)
1356 percent = 100.0 * (total_size - data_size) / data_size;
1358 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: ",
1359 video_size / 1024.0,
1360 audio_size / 1024.0,
1361 subtitle_size / 1024.0,
1362 other_size / 1024.0,
1363 extra_size / 1024.0);
1365 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1367 av_log(NULL, AV_LOG_INFO, "unknown");
1368 av_log(NULL, AV_LOG_INFO, "\n");
1370 /* print verbose per-stream stats */
1371 for (i = 0; i < nb_input_files; i++) {
1372 InputFile *f = input_files[i];
1373 uint64_t total_packets = 0, total_size = 0;
1375 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1376 i, f->ctx->filename);
1378 for (j = 0; j < f->nb_streams; j++) {
1379 InputStream *ist = input_streams[f->ist_index + j];
1380 enum AVMediaType type = ist->dec_ctx->codec_type;
1382 total_size += ist->data_size;
1383 total_packets += ist->nb_packets;
1385 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1386 i, j, media_type_string(type));
1387 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1388 ist->nb_packets, ist->data_size);
1390 if (ist->decoding_needed) {
1391 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1392 ist->frames_decoded);
1393 if (type == AVMEDIA_TYPE_AUDIO)
1394 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1395 av_log(NULL, AV_LOG_VERBOSE, "; ");
1398 av_log(NULL, AV_LOG_VERBOSE, "\n");
1401 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1402 total_packets, total_size);
1405 for (i = 0; i < nb_output_files; i++) {
1406 OutputFile *of = output_files[i];
1407 uint64_t total_packets = 0, total_size = 0;
1409 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1410 i, of->ctx->filename);
1412 for (j = 0; j < of->ctx->nb_streams; j++) {
1413 OutputStream *ost = output_streams[of->ost_index + j];
1414 enum AVMediaType type = ost->enc_ctx->codec_type;
1416 total_size += ost->data_size;
1417 total_packets += ost->packets_written;
1419 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1420 i, j, media_type_string(type));
1421 if (ost->encoding_needed) {
1422 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1423 ost->frames_encoded);
1424 if (type == AVMEDIA_TYPE_AUDIO)
1425 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1426 av_log(NULL, AV_LOG_VERBOSE, "; ");
1429 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1430 ost->packets_written, ost->data_size);
1432 av_log(NULL, AV_LOG_VERBOSE, "\n");
1435 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1436 total_packets, total_size);
1438 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1439 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1443 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1446 AVBPrint buf_script;
1448 AVFormatContext *oc;
1450 AVCodecContext *enc;
1451 int frame_number, vid, i;
1453 int64_t pts = INT64_MIN;
1454 static int64_t last_time = -1;
1455 static int qp_histogram[52];
1456 int hours, mins, secs, us;
1458 if (!print_stats && !is_last_report && !progress_avio)
1461 if (!is_last_report) {
1462 if (last_time == -1) {
1463 last_time = cur_time;
1466 if ((cur_time - last_time) < 500000)
1468 last_time = cur_time;
1472 oc = output_files[0]->ctx;
1474 total_size = avio_size(oc->pb);
1475 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1476 total_size = avio_tell(oc->pb);
1480 av_bprint_init(&buf_script, 0, 1);
1481 for (i = 0; i < nb_output_streams; i++) {
1483 ost = output_streams[i];
1485 if (!ost->stream_copy && enc->coded_frame)
1486 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1487 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1488 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1489 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1490 ost->file_index, ost->index, q);
1492 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1493 float fps, t = (cur_time-timer_start) / 1000000.0;
1495 frame_number = ost->frame_number;
1496 fps = t > 1 ? frame_number / t : 0;
1497 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1498 frame_number, fps < 9.95, fps, q);
1499 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1500 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1501 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1502 ost->file_index, ost->index, q);
1504 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1508 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1510 for (j = 0; j < 32; j++)
1511 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1513 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1515 double error, error_sum = 0;
1516 double scale, scale_sum = 0;
1518 char type[3] = { 'Y','U','V' };
1519 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1520 for (j = 0; j < 3; j++) {
1521 if (is_last_report) {
1522 error = enc->error[j];
1523 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1525 error = enc->coded_frame->error[j];
1526 scale = enc->width * enc->height * 255.0 * 255.0;
1532 p = psnr(error / scale);
1533 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1534 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1535 ost->file_index, ost->index, type[j] | 32, p);
1537 p = psnr(error_sum / scale_sum);
1538 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1539 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1540 ost->file_index, ost->index, p);
1544 /* compute min output value */
1545 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1546 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1547 ost->st->time_base, AV_TIME_BASE_Q));
1549 nb_frames_drop += ost->last_droped;
1552 secs = FFABS(pts) / AV_TIME_BASE;
1553 us = FFABS(pts) % AV_TIME_BASE;
1559 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1561 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1563 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1564 "size=%8.0fkB time=", total_size / 1024.0);
1566 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1567 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1568 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1569 (100 * us) / AV_TIME_BASE);
1572 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1573 av_bprintf(&buf_script, "bitrate=N/A\n");
1575 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1576 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1579 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1580 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1581 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1582 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1583 hours, mins, secs, us);
1585 if (nb_frames_dup || nb_frames_drop)
1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1587 nb_frames_dup, nb_frames_drop);
1588 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1589 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1591 if (print_stats || is_last_report) {
1592 const char end = is_last_report ? '\n' : '\r';
1593 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1594 fprintf(stderr, "%s %c", buf, end);
1596 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1601 if (progress_avio) {
1602 av_bprintf(&buf_script, "progress=%s\n",
1603 is_last_report ? "end" : "continue");
1604 avio_write(progress_avio, buf_script.str,
1605 FFMIN(buf_script.len, buf_script.size - 1));
1606 avio_flush(progress_avio);
1607 av_bprint_finalize(&buf_script, NULL);
1608 if (is_last_report) {
1609 avio_closep(&progress_avio);
1614 print_final_stats(total_size);
1617 static void flush_encoders(void)
1621 for (i = 0; i < nb_output_streams; i++) {
1622 OutputStream *ost = output_streams[i];
1623 AVCodecContext *enc = ost->enc_ctx;
1624 AVFormatContext *os = output_files[ost->file_index]->ctx;
1625 int stop_encoding = 0;
1627 if (!ost->encoding_needed)
1630 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1632 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1636 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1639 switch (enc->codec_type) {
1640 case AVMEDIA_TYPE_AUDIO:
1641 encode = avcodec_encode_audio2;
1644 case AVMEDIA_TYPE_VIDEO:
1645 encode = avcodec_encode_video2;
1656 av_init_packet(&pkt);
1660 update_benchmark(NULL);
1661 ret = encode(enc, &pkt, NULL, &got_packet);
1662 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1664 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1667 if (ost->logfile && enc->stats_out) {
1668 fprintf(ost->logfile, "%s", enc->stats_out);
1674 if (ost->finished & MUXER_FINISHED) {
1675 av_free_packet(&pkt);
1678 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1679 pkt_size = pkt.size;
1680 write_frame(os, &pkt, ost);
1681 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1682 do_video_stats(ost, pkt_size);
1693 * Check whether a packet from ist should be written into ost at this time
1695 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1697 OutputFile *of = output_files[ost->file_index];
1698 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1700 if (ost->source_index != ist_index)
1706 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1712 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1714 OutputFile *of = output_files[ost->file_index];
1715 InputFile *f = input_files [ist->file_index];
1716 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1717 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1718 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1722 av_init_packet(&opkt);
1724 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1725 !ost->copy_initial_nonkeyframes)
1728 if (pkt->pts == AV_NOPTS_VALUE) {
1729 if (!ost->frame_number && ist->pts < start_time &&
1730 !ost->copy_prior_start)
1733 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1734 !ost->copy_prior_start)
1738 if (of->recording_time != INT64_MAX &&
1739 ist->pts >= of->recording_time + start_time) {
1740 close_output_stream(ost);
1744 if (f->recording_time != INT64_MAX) {
1745 start_time = f->ctx->start_time;
1746 if (f->start_time != AV_NOPTS_VALUE)
1747 start_time += f->start_time;
1748 if (ist->pts >= f->recording_time + start_time) {
1749 close_output_stream(ost);
1754 /* force the input stream PTS */
1755 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1758 if (pkt->pts != AV_NOPTS_VALUE)
1759 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1761 opkt.pts = AV_NOPTS_VALUE;
1763 if (pkt->dts == AV_NOPTS_VALUE)
1764 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1766 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1767 opkt.dts -= ost_tb_start_time;
1769 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1770 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1772 duration = ist->dec_ctx->frame_size;
1773 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1774 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1775 ost->st->time_base) - ost_tb_start_time;
1778 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1779 opkt.flags = pkt->flags;
1781 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1782 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1783 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1784 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1785 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1787 if (av_parser_change(ost->parser, ost->st->codec,
1788 &opkt.data, &opkt.size,
1789 pkt->data, pkt->size,
1790 pkt->flags & AV_PKT_FLAG_KEY)) {
1791 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1796 opkt.data = pkt->data;
1797 opkt.size = pkt->size;
1799 av_copy_packet_side_data(&opkt, pkt);
1801 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1802 /* store AVPicture in AVPacket, as expected by the output format */
1803 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1804 opkt.data = (uint8_t *)&pict;
1805 opkt.size = sizeof(AVPicture);
1806 opkt.flags |= AV_PKT_FLAG_KEY;
1809 write_frame(of->ctx, &opkt, ost);
1812 int guess_input_channel_layout(InputStream *ist)
1814 AVCodecContext *dec = ist->dec_ctx;
1816 if (!dec->channel_layout) {
1817 char layout_name[256];
1819 if (dec->channels > ist->guess_layout_max)
1821 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1822 if (!dec->channel_layout)
1824 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1825 dec->channels, dec->channel_layout);
1826 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1827 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1832 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1834 AVFrame *decoded_frame, *f;
1835 AVCodecContext *avctx = ist->dec_ctx;
1836 int i, ret, err = 0, resample_changed;
1837 AVRational decoded_frame_tb;
1839 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1840 return AVERROR(ENOMEM);
1841 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1842 return AVERROR(ENOMEM);
1843 decoded_frame = ist->decoded_frame;
1845 update_benchmark(NULL);
1846 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1847 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1849 if (ret >= 0 && avctx->sample_rate <= 0) {
1850 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1851 ret = AVERROR_INVALIDDATA;
1854 if (*got_output || ret<0 || pkt->size)
1855 decode_error_stat[ret<0] ++;
1857 if (!*got_output || ret < 0) {
1859 for (i = 0; i < ist->nb_filters; i++)
1861 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1863 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1869 ist->samples_decoded += decoded_frame->nb_samples;
1870 ist->frames_decoded++;
1873 /* increment next_dts to use for the case where the input stream does not
1874 have timestamps or there are multiple frames in the packet */
1875 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1877 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1881 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1882 ist->resample_channels != avctx->channels ||
1883 ist->resample_channel_layout != decoded_frame->channel_layout ||
1884 ist->resample_sample_rate != decoded_frame->sample_rate;
1885 if (resample_changed) {
1886 char layout1[64], layout2[64];
1888 if (!guess_input_channel_layout(ist)) {
1889 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1890 "layout for Input Stream #%d.%d\n", ist->file_index,
1894 decoded_frame->channel_layout = avctx->channel_layout;
1896 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1897 ist->resample_channel_layout);
1898 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1899 decoded_frame->channel_layout);
1901 av_log(NULL, AV_LOG_INFO,
1902 "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",
1903 ist->file_index, ist->st->index,
1904 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1905 ist->resample_channels, layout1,
1906 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1907 avctx->channels, layout2);
1909 ist->resample_sample_fmt = decoded_frame->format;
1910 ist->resample_sample_rate = decoded_frame->sample_rate;
1911 ist->resample_channel_layout = decoded_frame->channel_layout;
1912 ist->resample_channels = avctx->channels;
1914 for (i = 0; i < nb_filtergraphs; i++)
1915 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1916 FilterGraph *fg = filtergraphs[i];
1917 if (configure_filtergraph(fg) < 0) {
1918 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1924 /* if the decoder provides a pts, use it instead of the last packet pts.
1925 the decoder could be delaying output by a packet or more. */
1926 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1927 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1928 decoded_frame_tb = avctx->time_base;
1929 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1930 decoded_frame->pts = decoded_frame->pkt_pts;
1931 decoded_frame_tb = ist->st->time_base;
1932 } else if (pkt->pts != AV_NOPTS_VALUE) {
1933 decoded_frame->pts = pkt->pts;
1934 decoded_frame_tb = ist->st->time_base;
1936 decoded_frame->pts = ist->dts;
1937 decoded_frame_tb = AV_TIME_BASE_Q;
1939 pkt->pts = AV_NOPTS_VALUE;
1940 if (decoded_frame->pts != AV_NOPTS_VALUE)
1941 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1942 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1943 (AVRational){1, avctx->sample_rate});
1944 for (i = 0; i < ist->nb_filters; i++) {
1945 if (i < ist->nb_filters - 1) {
1946 f = ist->filter_frame;
1947 err = av_frame_ref(f, decoded_frame);
1952 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1953 AV_BUFFERSRC_FLAG_PUSH);
1954 if (err == AVERROR_EOF)
1955 err = 0; /* ignore */
1959 decoded_frame->pts = AV_NOPTS_VALUE;
1961 av_frame_unref(ist->filter_frame);
1962 av_frame_unref(decoded_frame);
1963 return err < 0 ? err : ret;
1966 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1968 AVFrame *decoded_frame, *f;
1969 int i, ret = 0, err = 0, resample_changed;
1970 int64_t best_effort_timestamp;
1971 AVRational *frame_sample_aspect;
1973 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1974 return AVERROR(ENOMEM);
1975 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1976 return AVERROR(ENOMEM);
1977 decoded_frame = ist->decoded_frame;
1978 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1980 update_benchmark(NULL);
1981 ret = avcodec_decode_video2(ist->dec_ctx,
1982 decoded_frame, got_output, pkt);
1983 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1985 // The following line may be required in some cases where there is no parser
1986 // or the parser does not has_b_frames correctly
1987 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1988 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1989 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1991 av_log_ask_for_sample(
1993 "has_b_frames is larger in decoder than demuxer %d > %d ",
1994 ist->dec_ctx->has_b_frames,
1995 ist->st->codec->has_b_frames
1999 if (*got_output || ret<0 || pkt->size)
2000 decode_error_stat[ret<0] ++;
2002 if (*got_output && ret >= 0) {
2003 if (ist->dec_ctx->width != decoded_frame->width ||
2004 ist->dec_ctx->height != decoded_frame->height ||
2005 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2006 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2007 decoded_frame->width,
2008 decoded_frame->height,
2009 decoded_frame->format,
2010 ist->dec_ctx->width,
2011 ist->dec_ctx->height,
2012 ist->dec_ctx->pix_fmt);
2016 if (!*got_output || ret < 0) {
2018 for (i = 0; i < ist->nb_filters; i++)
2020 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
2022 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2028 if(ist->top_field_first>=0)
2029 decoded_frame->top_field_first = ist->top_field_first;
2031 ist->frames_decoded++;
2033 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2034 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2038 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2040 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2041 if(best_effort_timestamp != AV_NOPTS_VALUE)
2042 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2045 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2046 "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",
2047 ist->st->index, av_ts2str(decoded_frame->pts),
2048 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2049 best_effort_timestamp,
2050 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2051 decoded_frame->key_frame, decoded_frame->pict_type,
2052 ist->st->time_base.num, ist->st->time_base.den);
2057 if (ist->st->sample_aspect_ratio.num)
2058 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2060 resample_changed = ist->resample_width != decoded_frame->width ||
2061 ist->resample_height != decoded_frame->height ||
2062 ist->resample_pix_fmt != decoded_frame->format;
2063 if (resample_changed) {
2064 av_log(NULL, AV_LOG_INFO,
2065 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2066 ist->file_index, ist->st->index,
2067 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2068 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2070 ist->resample_width = decoded_frame->width;
2071 ist->resample_height = decoded_frame->height;
2072 ist->resample_pix_fmt = decoded_frame->format;
2074 for (i = 0; i < nb_filtergraphs; i++) {
2075 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2076 configure_filtergraph(filtergraphs[i]) < 0) {
2077 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2083 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2084 for (i = 0; i < ist->nb_filters; i++) {
2085 if (!frame_sample_aspect->num)
2086 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2088 if (i < ist->nb_filters - 1) {
2089 f = ist->filter_frame;
2090 err = av_frame_ref(f, decoded_frame);
2095 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2096 if (ret == AVERROR_EOF) {
2097 ret = 0; /* ignore */
2098 } else if (ret < 0) {
2099 av_log(NULL, AV_LOG_FATAL,
2100 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2106 av_frame_unref(ist->filter_frame);
2107 av_frame_unref(decoded_frame);
2108 return err < 0 ? err : ret;
2111 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2113 AVSubtitle subtitle;
2114 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2115 &subtitle, got_output, pkt);
2117 if (*got_output || ret<0 || pkt->size)
2118 decode_error_stat[ret<0] ++;
2120 if (ret < 0 || !*got_output) {
2122 sub2video_flush(ist);
2126 if (ist->fix_sub_duration) {
2128 if (ist->prev_sub.got_output) {
2129 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2130 1000, AV_TIME_BASE);
2131 if (end < ist->prev_sub.subtitle.end_display_time) {
2132 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2133 "Subtitle duration reduced from %d to %d%s\n",
2134 ist->prev_sub.subtitle.end_display_time, end,
2135 end <= 0 ? ", dropping it" : "");
2136 ist->prev_sub.subtitle.end_display_time = end;
2139 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2140 FFSWAP(int, ret, ist->prev_sub.ret);
2141 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2149 sub2video_update(ist, &subtitle);
2151 if (!subtitle.num_rects)
2154 ist->frames_decoded++;
2156 for (i = 0; i < nb_output_streams; i++) {
2157 OutputStream *ost = output_streams[i];
2159 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2160 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2163 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2167 avsubtitle_free(&subtitle);
2171 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2172 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2178 if (!ist->saw_first_ts) {
2179 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;
2181 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2182 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2183 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2185 ist->saw_first_ts = 1;
2188 if (ist->next_dts == AV_NOPTS_VALUE)
2189 ist->next_dts = ist->dts;
2190 if (ist->next_pts == AV_NOPTS_VALUE)
2191 ist->next_pts = ist->pts;
2195 av_init_packet(&avpkt);
2203 if (pkt->dts != AV_NOPTS_VALUE) {
2204 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2205 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2206 ist->next_pts = ist->pts = ist->dts;
2209 // while we have more to decode or while the decoder did output something on EOF
2210 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2214 ist->pts = ist->next_pts;
2215 ist->dts = ist->next_dts;
2217 if (avpkt.size && avpkt.size != pkt->size &&
2218 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2219 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2220 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2221 ist->showed_multi_packet_warning = 1;
2224 switch (ist->dec_ctx->codec_type) {
2225 case AVMEDIA_TYPE_AUDIO:
2226 ret = decode_audio (ist, &avpkt, &got_output);
2228 case AVMEDIA_TYPE_VIDEO:
2229 ret = decode_video (ist, &avpkt, &got_output);
2230 if (avpkt.duration) {
2231 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2232 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2233 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2234 duration = ((int64_t)AV_TIME_BASE *
2235 ist->dec_ctx->framerate.den * ticks) /
2236 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2240 if(ist->dts != AV_NOPTS_VALUE && duration) {
2241 ist->next_dts += duration;
2243 ist->next_dts = AV_NOPTS_VALUE;
2246 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2248 case AVMEDIA_TYPE_SUBTITLE:
2249 ret = transcode_subtitles(ist, &avpkt, &got_output);
2259 avpkt.pts= AV_NOPTS_VALUE;
2261 // touch data and size only if not EOF
2263 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2271 if (got_output && !pkt)
2275 /* handle stream copy */
2276 if (!ist->decoding_needed) {
2277 ist->dts = ist->next_dts;
2278 switch (ist->dec_ctx->codec_type) {
2279 case AVMEDIA_TYPE_AUDIO:
2280 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2281 ist->dec_ctx->sample_rate;
2283 case AVMEDIA_TYPE_VIDEO:
2284 if (ist->framerate.num) {
2285 // TODO: Remove work-around for c99-to-c89 issue 7
2286 AVRational time_base_q = AV_TIME_BASE_Q;
2287 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2288 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2289 } else if (pkt->duration) {
2290 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2291 } else if(ist->dec_ctx->framerate.num != 0) {
2292 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2293 ist->next_dts += ((int64_t)AV_TIME_BASE *
2294 ist->dec_ctx->framerate.den * ticks) /
2295 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2299 ist->pts = ist->dts;
2300 ist->next_pts = ist->next_dts;
2302 for (i = 0; pkt && i < nb_output_streams; i++) {
2303 OutputStream *ost = output_streams[i];
2305 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2308 do_streamcopy(ist, ost, pkt);
2314 static void print_sdp(void)
2319 AVIOContext *sdp_pb;
2320 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2324 for (i = 0, j = 0; i < nb_output_files; i++) {
2325 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2326 avc[j] = output_files[i]->ctx;
2331 av_sdp_create(avc, j, sdp, sizeof(sdp));
2333 if (!sdp_filename) {
2334 printf("SDP:\n%s\n", sdp);
2337 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2338 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2340 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2341 avio_closep(&sdp_pb);
2342 av_freep(&sdp_filename);
2349 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2352 for (i = 0; hwaccels[i].name; i++)
2353 if (hwaccels[i].pix_fmt == pix_fmt)
2354 return &hwaccels[i];
2358 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2360 InputStream *ist = s->opaque;
2361 const enum AVPixelFormat *p;
2364 for (p = pix_fmts; *p != -1; p++) {
2365 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2366 const HWAccel *hwaccel;
2368 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2371 hwaccel = get_hwaccel(*p);
2373 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2374 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2377 ret = hwaccel->init(s);
2379 if (ist->hwaccel_id == hwaccel->id) {
2380 av_log(NULL, AV_LOG_FATAL,
2381 "%s hwaccel requested for input stream #%d:%d, "
2382 "but cannot be initialized.\n", hwaccel->name,
2383 ist->file_index, ist->st->index);
2384 return AV_PIX_FMT_NONE;
2388 ist->active_hwaccel_id = hwaccel->id;
2389 ist->hwaccel_pix_fmt = *p;
2396 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2398 InputStream *ist = s->opaque;
2400 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2401 return ist->hwaccel_get_buffer(s, frame, flags);
2403 return avcodec_default_get_buffer2(s, frame, flags);
2406 static int init_input_stream(int ist_index, char *error, int error_len)
2409 InputStream *ist = input_streams[ist_index];
2411 if (ist->decoding_needed) {
2412 AVCodec *codec = ist->dec;
2414 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2415 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2416 return AVERROR(EINVAL);
2419 ist->dec_ctx->opaque = ist;
2420 ist->dec_ctx->get_format = get_format;
2421 ist->dec_ctx->get_buffer2 = get_buffer;
2422 ist->dec_ctx->thread_safe_callbacks = 1;
2424 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2425 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2426 (ist->decoding_needed & DECODING_FOR_OST)) {
2427 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2428 if (ist->decoding_needed & DECODING_FOR_FILTER)
2429 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");
2432 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2433 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2434 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2435 if (ret == AVERROR_EXPERIMENTAL)
2436 abort_codec_experimental(codec, 0);
2438 snprintf(error, error_len,
2439 "Error while opening decoder for input stream "
2441 ist->file_index, ist->st->index, av_err2str(ret));
2444 assert_avoptions(ist->decoder_opts);
2447 ist->next_pts = AV_NOPTS_VALUE;
2448 ist->next_dts = AV_NOPTS_VALUE;
2453 static InputStream *get_input_stream(OutputStream *ost)
2455 if (ost->source_index >= 0)
2456 return input_streams[ost->source_index];
2460 static int compare_int64(const void *a, const void *b)
2462 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2463 return va < vb ? -1 : va > vb ? +1 : 0;
2466 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2467 AVCodecContext *avctx)
2470 int n = 1, i, size, index = 0;
2473 for (p = kf; *p; p++)
2477 pts = av_malloc_array(size, sizeof(*pts));
2479 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2484 for (i = 0; i < n; i++) {
2485 char *next = strchr(p, ',');
2490 if (!memcmp(p, "chapters", 8)) {
2492 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2495 if (avf->nb_chapters > INT_MAX - size ||
2496 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2498 av_log(NULL, AV_LOG_FATAL,
2499 "Could not allocate forced key frames array.\n");
2502 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2503 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2505 for (j = 0; j < avf->nb_chapters; j++) {
2506 AVChapter *c = avf->chapters[j];
2507 av_assert1(index < size);
2508 pts[index++] = av_rescale_q(c->start, c->time_base,
2509 avctx->time_base) + t;
2514 t = parse_time_or_die("force_key_frames", p, 1);
2515 av_assert1(index < size);
2516 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2523 av_assert0(index == size);
2524 qsort(pts, size, sizeof(*pts), compare_int64);
2525 ost->forced_kf_count = size;
2526 ost->forced_kf_pts = pts;
2529 static void report_new_stream(int input_index, AVPacket *pkt)
2531 InputFile *file = input_files[input_index];
2532 AVStream *st = file->ctx->streams[pkt->stream_index];
2534 if (pkt->stream_index < file->nb_streams_warn)
2536 av_log(file->ctx, AV_LOG_WARNING,
2537 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2538 av_get_media_type_string(st->codec->codec_type),
2539 input_index, pkt->stream_index,
2540 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2541 file->nb_streams_warn = pkt->stream_index + 1;
2544 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2546 AVDictionaryEntry *e;
2548 uint8_t *encoder_string;
2549 int encoder_string_len;
2550 int format_flags = 0;
2551 int codec_flags = 0;
2553 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2556 e = av_dict_get(of->opts, "fflags", NULL, 0);
2558 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2561 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2563 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2565 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2568 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2571 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2572 encoder_string = av_mallocz(encoder_string_len);
2573 if (!encoder_string)
2576 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2577 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2579 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2580 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2581 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2582 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2585 static int transcode_init(void)
2587 int ret = 0, i, j, k;
2588 AVFormatContext *oc;
2591 char error[1024] = {0};
2594 for (i = 0; i < nb_filtergraphs; i++) {
2595 FilterGraph *fg = filtergraphs[i];
2596 for (j = 0; j < fg->nb_outputs; j++) {
2597 OutputFilter *ofilter = fg->outputs[j];
2598 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2600 if (fg->nb_inputs != 1)
2602 for (k = nb_input_streams-1; k >= 0 ; k--)
2603 if (fg->inputs[0]->ist == input_streams[k])
2605 ofilter->ost->source_index = k;
2609 /* init framerate emulation */
2610 for (i = 0; i < nb_input_files; i++) {
2611 InputFile *ifile = input_files[i];
2612 if (ifile->rate_emu)
2613 for (j = 0; j < ifile->nb_streams; j++)
2614 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2617 /* output stream init */
2618 for (i = 0; i < nb_output_files; i++) {
2619 oc = output_files[i]->ctx;
2620 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2621 av_dump_format(oc, i, oc->filename, 1);
2622 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2623 return AVERROR(EINVAL);
2627 /* init complex filtergraphs */
2628 for (i = 0; i < nb_filtergraphs; i++)
2629 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2632 /* for each output stream, we compute the right encoding parameters */
2633 for (i = 0; i < nb_output_streams; i++) {
2634 AVCodecContext *enc_ctx;
2635 AVCodecContext *dec_ctx = NULL;
2636 ost = output_streams[i];
2637 oc = output_files[ost->file_index]->ctx;
2638 ist = get_input_stream(ost);
2640 if (ost->attachment_filename)
2643 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2646 dec_ctx = ist->dec_ctx;
2648 ost->st->disposition = ist->st->disposition;
2649 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2650 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2652 for (j=0; j<oc->nb_streams; j++) {
2653 AVStream *st = oc->streams[j];
2654 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2657 if (j == oc->nb_streams)
2658 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2659 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2662 if (ost->stream_copy) {
2664 uint64_t extra_size;
2666 av_assert0(ist && !ost->filter);
2668 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2670 if (extra_size > INT_MAX) {
2671 return AVERROR(EINVAL);
2674 /* if stream_copy is selected, no need to decode or encode */
2675 enc_ctx->codec_id = dec_ctx->codec_id;
2676 enc_ctx->codec_type = dec_ctx->codec_type;
2678 if (!enc_ctx->codec_tag) {
2679 unsigned int codec_tag;
2680 if (!oc->oformat->codec_tag ||
2681 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2682 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2683 enc_ctx->codec_tag = dec_ctx->codec_tag;
2686 enc_ctx->bit_rate = dec_ctx->bit_rate;
2687 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2688 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2689 enc_ctx->field_order = dec_ctx->field_order;
2690 if (dec_ctx->extradata_size) {
2691 enc_ctx->extradata = av_mallocz(extra_size);
2692 if (!enc_ctx->extradata) {
2693 return AVERROR(ENOMEM);
2695 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2697 enc_ctx->extradata_size= dec_ctx->extradata_size;
2698 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2700 enc_ctx->time_base = ist->st->time_base;
2702 * Avi is a special case here because it supports variable fps but
2703 * having the fps and timebase differe significantly adds quite some
2706 if(!strcmp(oc->oformat->name, "avi")) {
2707 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2708 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2709 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2710 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2712 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2713 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2714 enc_ctx->ticks_per_frame = 2;
2715 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2716 && av_q2d(ist->st->time_base) < 1.0/500
2718 enc_ctx->time_base = dec_ctx->time_base;
2719 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2720 enc_ctx->time_base.den *= 2;
2721 enc_ctx->ticks_per_frame = 2;
2723 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2724 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2725 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2726 && strcmp(oc->oformat->name, "f4v")
2728 if( copy_tb<0 && dec_ctx->time_base.den
2729 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2730 && av_q2d(ist->st->time_base) < 1.0/500
2732 enc_ctx->time_base = dec_ctx->time_base;
2733 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2736 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2737 && dec_ctx->time_base.num < dec_ctx->time_base.den
2738 && dec_ctx->time_base.num > 0
2739 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2740 enc_ctx->time_base = dec_ctx->time_base;
2743 if (ist && !ost->frame_rate.num)
2744 ost->frame_rate = ist->framerate;
2745 if(ost->frame_rate.num)
2746 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2748 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2749 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2751 if (ist->st->nb_side_data) {
2752 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2753 sizeof(*ist->st->side_data));
2754 if (!ost->st->side_data)
2755 return AVERROR(ENOMEM);
2757 for (j = 0; j < ist->st->nb_side_data; j++) {
2758 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2759 AVPacketSideData *sd_dst = &ost->st->side_data[j];
2761 sd_dst->data = av_malloc(sd_src->size);
2763 return AVERROR(ENOMEM);
2764 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2765 sd_dst->size = sd_src->size;
2766 sd_dst->type = sd_src->type;
2767 ost->st->nb_side_data++;
2771 ost->parser = av_parser_init(enc_ctx->codec_id);
2773 switch (enc_ctx->codec_type) {
2774 case AVMEDIA_TYPE_AUDIO:
2775 if (audio_volume != 256) {
2776 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2779 enc_ctx->channel_layout = dec_ctx->channel_layout;
2780 enc_ctx->sample_rate = dec_ctx->sample_rate;
2781 enc_ctx->channels = dec_ctx->channels;
2782 enc_ctx->frame_size = dec_ctx->frame_size;
2783 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2784 enc_ctx->block_align = dec_ctx->block_align;
2785 enc_ctx->initial_padding = dec_ctx->delay;
2786 #if FF_API_AUDIOENC_DELAY
2787 enc_ctx->delay = dec_ctx->delay;
2789 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2790 enc_ctx->block_align= 0;
2791 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2792 enc_ctx->block_align= 0;
2794 case AVMEDIA_TYPE_VIDEO:
2795 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2796 enc_ctx->width = dec_ctx->width;
2797 enc_ctx->height = dec_ctx->height;
2798 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2799 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2801 av_mul_q(ost->frame_aspect_ratio,
2802 (AVRational){ enc_ctx->height, enc_ctx->width });
2803 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2804 "with stream copy may produce invalid files\n");
2806 else if (ist->st->sample_aspect_ratio.num)
2807 sar = ist->st->sample_aspect_ratio;
2809 sar = dec_ctx->sample_aspect_ratio;
2810 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2811 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2812 ost->st->r_frame_rate = ist->st->r_frame_rate;
2814 case AVMEDIA_TYPE_SUBTITLE:
2815 enc_ctx->width = dec_ctx->width;
2816 enc_ctx->height = dec_ctx->height;
2818 case AVMEDIA_TYPE_DATA:
2819 case AVMEDIA_TYPE_ATTACHMENT:
2826 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2828 /* should only happen when a default codec is not present. */
2829 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2830 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2831 ret = AVERROR(EINVAL);
2836 ist->decoding_needed |= DECODING_FOR_OST;
2837 ost->encoding_needed = 1;
2839 set_encoder_id(output_files[ost->file_index], ost);
2842 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2843 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2845 fg = init_simple_filtergraph(ist, ost);
2846 if (configure_filtergraph(fg)) {
2847 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2852 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2853 if (ost->filter && !ost->frame_rate.num)
2854 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2855 if (ist && !ost->frame_rate.num)
2856 ost->frame_rate = ist->framerate;
2857 if (ist && !ost->frame_rate.num)
2858 ost->frame_rate = ist->st->r_frame_rate;
2859 if (ist && !ost->frame_rate.num) {
2860 ost->frame_rate = (AVRational){25, 1};
2861 av_log(NULL, AV_LOG_WARNING,
2863 "about the input framerate is available. Falling "
2864 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2865 "if you want a different framerate.\n",
2866 ost->file_index, ost->index);
2868 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2869 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2870 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2871 ost->frame_rate = ost->enc->supported_framerates[idx];
2873 // reduce frame rate for mpeg4 to be within the spec limits
2874 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2875 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2876 ost->frame_rate.num, ost->frame_rate.den, 65535);
2880 switch (enc_ctx->codec_type) {
2881 case AVMEDIA_TYPE_AUDIO:
2882 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2883 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2884 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2885 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2886 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2888 case AVMEDIA_TYPE_VIDEO:
2889 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2890 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2891 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2892 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2893 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2894 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2895 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2897 for (j = 0; j < ost->forced_kf_count; j++)
2898 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2900 enc_ctx->time_base);
2902 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2903 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2904 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2905 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2906 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2907 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2908 if (!strncmp(ost->enc->name, "libx264", 7) &&
2909 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2910 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2911 av_log(NULL, AV_LOG_WARNING,
2912 "No pixel format specified, %s for H.264 encoding chosen.\n"
2913 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2914 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2915 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2916 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2917 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2918 av_log(NULL, AV_LOG_WARNING,
2919 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2920 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2921 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2922 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2924 ost->st->avg_frame_rate = ost->frame_rate;
2927 enc_ctx->width != dec_ctx->width ||
2928 enc_ctx->height != dec_ctx->height ||
2929 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2930 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2933 if (ost->forced_keyframes) {
2934 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2935 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2936 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2938 av_log(NULL, AV_LOG_ERROR,
2939 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2942 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2943 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2944 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2945 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2947 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2951 case AVMEDIA_TYPE_SUBTITLE:
2952 enc_ctx->time_base = (AVRational){1, 1000};
2953 if (!enc_ctx->width) {
2954 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2955 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2958 case AVMEDIA_TYPE_DATA:
2965 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2966 char logfilename[1024];
2969 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2970 ost->logfile_prefix ? ost->logfile_prefix :
2971 DEFAULT_PASS_LOGFILENAME_PREFIX,
2973 if (!strcmp(ost->enc->name, "libx264")) {
2974 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2976 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2978 size_t logbuffer_size;
2979 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2980 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2984 enc_ctx->stats_in = logbuffer;
2986 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2987 f = av_fopen_utf8(logfilename, "wb");
2989 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2990 logfilename, strerror(errno));
2999 if (ost->disposition) {
3000 static const AVOption opts[] = {
3001 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3002 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3003 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3004 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3005 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3006 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3007 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3008 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3009 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3010 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3011 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3012 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3013 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3014 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3017 static const AVClass class = {
3019 .item_name = av_default_item_name,
3021 .version = LIBAVUTIL_VERSION_INT,
3023 const AVClass *pclass = &class;
3025 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3031 /* open each encoder */
3032 for (i = 0; i < nb_output_streams; i++) {
3033 ost = output_streams[i];
3034 if (ost->encoding_needed) {
3035 AVCodec *codec = ost->enc;
3036 AVCodecContext *dec = NULL;
3038 if ((ist = get_input_stream(ost)))
3040 if (dec && dec->subtitle_header) {
3041 /* ASS code assumes this buffer is null terminated so add extra byte. */
3042 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3043 if (!ost->enc_ctx->subtitle_header) {
3044 ret = AVERROR(ENOMEM);
3047 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3048 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3050 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3051 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3052 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3054 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3055 if (ret == AVERROR_EXPERIMENTAL)
3056 abort_codec_experimental(codec, 1);
3057 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3058 ost->file_index, ost->index);
3061 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3062 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3063 av_buffersink_set_frame_size(ost->filter->filter,
3064 ost->enc_ctx->frame_size);
3065 assert_avoptions(ost->encoder_opts);
3066 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3067 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3068 " It takes bits/s as argument, not kbits/s\n");
3070 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3072 av_log(NULL, AV_LOG_FATAL,
3073 "Error initializing the output stream codec context.\n");
3077 // copy timebase while removing common factors
3078 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3079 ost->st->codec->codec= ost->enc_ctx->codec;
3081 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3083 av_log(NULL, AV_LOG_FATAL,
3084 "Error setting up codec context options.\n");
3087 // copy timebase while removing common factors
3088 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
3092 /* init input streams */
3093 for (i = 0; i < nb_input_streams; i++)
3094 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3095 for (i = 0; i < nb_output_streams; i++) {
3096 ost = output_streams[i];
3097 avcodec_close(ost->enc_ctx);
3102 /* discard unused programs */
3103 for (i = 0; i < nb_input_files; i++) {
3104 InputFile *ifile = input_files[i];
3105 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3106 AVProgram *p = ifile->ctx->programs[j];
3107 int discard = AVDISCARD_ALL;
3109 for (k = 0; k < p->nb_stream_indexes; k++)
3110 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3111 discard = AVDISCARD_DEFAULT;
3114 p->discard = discard;
3118 /* open files and write file headers */
3119 for (i = 0; i < nb_output_files; i++) {
3120 oc = output_files[i]->ctx;
3121 oc->interrupt_callback = int_cb;
3122 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3123 snprintf(error, sizeof(error),
3124 "Could not write header for output file #%d "
3125 "(incorrect codec parameters ?): %s",
3126 i, av_err2str(ret));
3127 ret = AVERROR(EINVAL);
3130 // assert_avoptions(output_files[i]->opts);
3131 if (strcmp(oc->oformat->name, "rtp")) {
3137 /* dump the file output parameters - cannot be done before in case
3139 for (i = 0; i < nb_output_files; i++) {
3140 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3143 /* dump the stream mapping */
3144 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3145 for (i = 0; i < nb_input_streams; i++) {
3146 ist = input_streams[i];
3148 for (j = 0; j < ist->nb_filters; j++) {
3149 if (ist->filters[j]->graph->graph_desc) {
3150 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3151 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3152 ist->filters[j]->name);
3153 if (nb_filtergraphs > 1)
3154 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3155 av_log(NULL, AV_LOG_INFO, "\n");
3160 for (i = 0; i < nb_output_streams; i++) {
3161 ost = output_streams[i];
3163 if (ost->attachment_filename) {
3164 /* an attached file */
3165 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3166 ost->attachment_filename, ost->file_index, ost->index);
3170 if (ost->filter && ost->filter->graph->graph_desc) {
3171 /* output from a complex graph */
3172 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3173 if (nb_filtergraphs > 1)
3174 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3176 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3177 ost->index, ost->enc ? ost->enc->name : "?");
3181 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3182 input_streams[ost->source_index]->file_index,
3183 input_streams[ost->source_index]->st->index,
3186 if (ost->sync_ist != input_streams[ost->source_index])
3187 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3188 ost->sync_ist->file_index,
3189 ost->sync_ist->st->index);
3190 if (ost->stream_copy)
3191 av_log(NULL, AV_LOG_INFO, " (copy)");
3193 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3194 const AVCodec *out_codec = ost->enc;
3195 const char *decoder_name = "?";
3196 const char *in_codec_name = "?";
3197 const char *encoder_name = "?";
3198 const char *out_codec_name = "?";
3199 const AVCodecDescriptor *desc;
3202 decoder_name = in_codec->name;
3203 desc = avcodec_descriptor_get(in_codec->id);
3205 in_codec_name = desc->name;
3206 if (!strcmp(decoder_name, in_codec_name))
3207 decoder_name = "native";
3211 encoder_name = out_codec->name;
3212 desc = avcodec_descriptor_get(out_codec->id);
3214 out_codec_name = desc->name;
3215 if (!strcmp(encoder_name, out_codec_name))
3216 encoder_name = "native";
3219 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3220 in_codec_name, decoder_name,
3221 out_codec_name, encoder_name);
3223 av_log(NULL, AV_LOG_INFO, "\n");
3227 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3231 if (sdp_filename || want_sdp) {
3235 transcode_init_done = 1;
3240 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3241 static int need_output(void)
3245 for (i = 0; i < nb_output_streams; i++) {
3246 OutputStream *ost = output_streams[i];
3247 OutputFile *of = output_files[ost->file_index];
3248 AVFormatContext *os = output_files[ost->file_index]->ctx;
3250 if (ost->finished ||
3251 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3253 if (ost->frame_number >= ost->max_frames) {
3255 for (j = 0; j < of->ctx->nb_streams; j++)
3256 close_output_stream(output_streams[of->ost_index + j]);
3267 * Select the output stream to process.
3269 * @return selected output stream, or NULL if none available
3271 static OutputStream *choose_output(void)
3274 int64_t opts_min = INT64_MAX;
3275 OutputStream *ost_min = NULL;
3277 for (i = 0; i < nb_output_streams; i++) {
3278 OutputStream *ost = output_streams[i];
3279 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3281 if (!ost->finished && opts < opts_min) {
3283 ost_min = ost->unavailable ? NULL : ost;
3289 static int check_keyboard_interaction(int64_t cur_time)
3292 static int64_t last_time;
3293 if (received_nb_signals)
3294 return AVERROR_EXIT;
3295 /* read_key() returns 0 on EOF */
3296 if(cur_time - last_time >= 100000 && !run_as_daemon){
3298 last_time = cur_time;
3302 return AVERROR_EXIT;
3303 if (key == '+') av_log_set_level(av_log_get_level()+10);
3304 if (key == '-') av_log_set_level(av_log_get_level()-10);
3305 if (key == 's') qp_hist ^= 1;
3308 do_hex_dump = do_pkt_dump = 0;
3309 } else if(do_pkt_dump){
3313 av_log_set_level(AV_LOG_DEBUG);
3315 if (key == 'c' || key == 'C'){
3316 char buf[4096], target[64], command[256], arg[256] = {0};
3319 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3321 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3326 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3327 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3328 target, time, command, arg);
3329 for (i = 0; i < nb_filtergraphs; i++) {
3330 FilterGraph *fg = filtergraphs[i];
3333 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3334 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3335 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3336 } else if (key == 'c') {
3337 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3338 ret = AVERROR_PATCHWELCOME;
3340 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3345 av_log(NULL, AV_LOG_ERROR,
3346 "Parse error, at least 3 arguments were expected, "
3347 "only %d given in string '%s'\n", n, buf);
3350 if (key == 'd' || key == 'D'){
3353 debug = input_streams[0]->st->codec->debug<<1;
3354 if(!debug) debug = 1;
3355 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3358 if(scanf("%d", &debug)!=1)
3359 fprintf(stderr,"error parsing debug value\n");
3360 for(i=0;i<nb_input_streams;i++) {
3361 input_streams[i]->st->codec->debug = debug;
3363 for(i=0;i<nb_output_streams;i++) {
3364 OutputStream *ost = output_streams[i];
3365 ost->enc_ctx->debug = debug;
3367 if(debug) av_log_set_level(AV_LOG_DEBUG);
3368 fprintf(stderr,"debug=%d\n", debug);
3371 fprintf(stderr, "key function\n"
3372 "? show this help\n"
3373 "+ increase verbosity\n"
3374 "- decrease verbosity\n"
3375 "c Send command to first matching filter supporting it\n"
3376 "C Send/Que command to all matching filters\n"
3377 "D cycle through available debug modes\n"
3378 "h dump packets/hex press to cycle through the 3 states\n"
3380 "s Show QP histogram\n"
3387 static void *input_thread(void *arg)
3390 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3395 ret = av_read_frame(f->ctx, &pkt);
3397 if (ret == AVERROR(EAGAIN)) {
3402 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3405 av_dup_packet(&pkt);
3406 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3407 if (flags && ret == AVERROR(EAGAIN)) {
3409 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3410 av_log(f->ctx, AV_LOG_WARNING,
3411 "Thread message queue blocking; consider raising the "
3412 "thread_queue_size option (current value: %d)\n",
3413 f->thread_queue_size);
3416 if (ret != AVERROR_EOF)
3417 av_log(f->ctx, AV_LOG_ERROR,
3418 "Unable to send packet to main thread: %s\n",
3420 av_free_packet(&pkt);
3421 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3429 static void free_input_threads(void)
3433 for (i = 0; i < nb_input_files; i++) {
3434 InputFile *f = input_files[i];
3437 if (!f->in_thread_queue)
3439 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3440 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3441 av_free_packet(&pkt);
3443 pthread_join(f->thread, NULL);
3445 av_thread_message_queue_free(&f->in_thread_queue);
3449 static int init_input_threads(void)
3453 if (nb_input_files == 1)
3456 for (i = 0; i < nb_input_files; i++) {
3457 InputFile *f = input_files[i];
3459 if (f->ctx->pb ? !f->ctx->pb->seekable :
3460 strcmp(f->ctx->iformat->name, "lavfi"))
3461 f->non_blocking = 1;
3462 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3463 f->thread_queue_size, sizeof(AVPacket));
3467 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3468 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3469 av_thread_message_queue_free(&f->in_thread_queue);
3470 return AVERROR(ret);
3476 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3478 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3480 AV_THREAD_MESSAGE_NONBLOCK : 0);
3484 static int get_input_packet(InputFile *f, AVPacket *pkt)
3488 for (i = 0; i < f->nb_streams; i++) {
3489 InputStream *ist = input_streams[f->ist_index + i];
3490 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3491 int64_t now = av_gettime_relative() - ist->start;
3493 return AVERROR(EAGAIN);
3498 if (nb_input_files > 1)
3499 return get_input_packet_mt(f, pkt);
3501 return av_read_frame(f->ctx, pkt);
3504 static int got_eagain(void)
3507 for (i = 0; i < nb_output_streams; i++)
3508 if (output_streams[i]->unavailable)
3513 static void reset_eagain(void)
3516 for (i = 0; i < nb_input_files; i++)
3517 input_files[i]->eagain = 0;
3518 for (i = 0; i < nb_output_streams; i++)
3519 output_streams[i]->unavailable = 0;
3524 * - 0 -- one packet was read and processed
3525 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3526 * this function should be called again
3527 * - AVERROR_EOF -- this function should not be called again
3529 static int process_input(int file_index)
3531 InputFile *ifile = input_files[file_index];
3532 AVFormatContext *is;
3538 ret = get_input_packet(ifile, &pkt);
3540 if (ret == AVERROR(EAGAIN)) {
3545 if (ret != AVERROR_EOF) {
3546 print_error(is->filename, ret);
3551 for (i = 0; i < ifile->nb_streams; i++) {
3552 ist = input_streams[ifile->ist_index + i];
3553 if (ist->decoding_needed) {
3554 ret = process_input_packet(ist, NULL);
3559 /* mark all outputs that don't go through lavfi as finished */
3560 for (j = 0; j < nb_output_streams; j++) {
3561 OutputStream *ost = output_streams[j];
3563 if (ost->source_index == ifile->ist_index + i &&
3564 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3565 finish_output_stream(ost);
3569 ifile->eof_reached = 1;
3570 return AVERROR(EAGAIN);
3576 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3577 is->streams[pkt.stream_index]);
3579 /* the following test is needed in case new streams appear
3580 dynamically in stream : we ignore them */
3581 if (pkt.stream_index >= ifile->nb_streams) {
3582 report_new_stream(file_index, &pkt);
3583 goto discard_packet;
3586 ist = input_streams[ifile->ist_index + pkt.stream_index];
3588 ist->data_size += pkt.size;
3592 goto discard_packet;
3595 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3596 "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",
3597 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3598 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3599 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3600 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3601 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3602 av_ts2str(input_files[ist->file_index]->ts_offset),
3603 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3606 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3607 int64_t stime, stime2;
3608 // Correcting starttime based on the enabled streams
3609 // 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.
3610 // so we instead do it here as part of discontinuity handling
3611 if ( ist->next_dts == AV_NOPTS_VALUE
3612 && ifile->ts_offset == -is->start_time
3613 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3614 int64_t new_start_time = INT64_MAX;
3615 for (i=0; i<is->nb_streams; i++) {
3616 AVStream *st = is->streams[i];
3617 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3619 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3621 if (new_start_time > is->start_time) {
3622 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3623 ifile->ts_offset = -new_start_time;
3627 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3628 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3629 ist->wrap_correction_done = 1;
3631 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3632 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3633 ist->wrap_correction_done = 0;
3635 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3636 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3637 ist->wrap_correction_done = 0;
3641 /* add the stream-global side data to the first packet */
3642 if (ist->nb_packets == 1) {
3643 if (ist->st->nb_side_data)
3644 av_packet_split_side_data(&pkt);
3645 for (i = 0; i < ist->st->nb_side_data; i++) {
3646 AVPacketSideData *src_sd = &ist->st->side_data[i];
3649 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3652 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3656 memcpy(dst_data, src_sd->data, src_sd->size);
3660 if (pkt.dts != AV_NOPTS_VALUE)
3661 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3662 if (pkt.pts != AV_NOPTS_VALUE)
3663 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3665 if (pkt.pts != AV_NOPTS_VALUE)
3666 pkt.pts *= ist->ts_scale;
3667 if (pkt.dts != AV_NOPTS_VALUE)
3668 pkt.dts *= ist->ts_scale;
3670 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3671 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3672 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3673 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3674 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3675 int64_t delta = pkt_dts - ifile->last_ts;
3676 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3677 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3678 ifile->ts_offset -= delta;
3679 av_log(NULL, AV_LOG_DEBUG,
3680 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3681 delta, ifile->ts_offset);
3682 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3683 if (pkt.pts != AV_NOPTS_VALUE)
3684 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3688 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3689 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3690 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3692 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3693 int64_t delta = pkt_dts - ist->next_dts;
3694 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3695 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3696 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3697 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3698 ifile->ts_offset -= delta;
3699 av_log(NULL, AV_LOG_DEBUG,
3700 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3701 delta, ifile->ts_offset);
3702 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3703 if (pkt.pts != AV_NOPTS_VALUE)
3704 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3707 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3708 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3709 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3710 pkt.dts = AV_NOPTS_VALUE;
3712 if (pkt.pts != AV_NOPTS_VALUE){
3713 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3714 delta = pkt_pts - ist->next_dts;
3715 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3716 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3717 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3718 pkt.pts = AV_NOPTS_VALUE;
3724 if (pkt.dts != AV_NOPTS_VALUE)
3725 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3728 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",
3729 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3730 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3731 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3732 av_ts2str(input_files[ist->file_index]->ts_offset),
3733 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3736 sub2video_heartbeat(ist, pkt.pts);
3738 ret = process_input_packet(ist, &pkt);
3740 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3741 ist->file_index, ist->st->index, av_err2str(ret));
3747 av_free_packet(&pkt);
3753 * Perform a step of transcoding for the specified filter graph.
3755 * @param[in] graph filter graph to consider
3756 * @param[out] best_ist input stream where a frame would allow to continue
3757 * @return 0 for success, <0 for error
3759 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3762 int nb_requests, nb_requests_max = 0;
3763 InputFilter *ifilter;
3767 ret = avfilter_graph_request_oldest(graph->graph);
3769 return reap_filters(0);
3771 if (ret == AVERROR_EOF) {
3772 ret = reap_filters(1);
3773 for (i = 0; i < graph->nb_outputs; i++)
3774 close_output_stream(graph->outputs[i]->ost);
3777 if (ret != AVERROR(EAGAIN))
3780 for (i = 0; i < graph->nb_inputs; i++) {
3781 ifilter = graph->inputs[i];
3783 if (input_files[ist->file_index]->eagain ||
3784 input_files[ist->file_index]->eof_reached)
3786 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3787 if (nb_requests > nb_requests_max) {
3788 nb_requests_max = nb_requests;
3794 for (i = 0; i < graph->nb_outputs; i++)
3795 graph->outputs[i]->ost->unavailable = 1;
3801 * Run a single step of transcoding.
3803 * @return 0 for success, <0 for error
3805 static int transcode_step(void)
3811 ost = choose_output();
3818 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3823 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3828 av_assert0(ost->source_index >= 0);
3829 ist = input_streams[ost->source_index];
3832 ret = process_input(ist->file_index);
3833 if (ret == AVERROR(EAGAIN)) {
3834 if (input_files[ist->file_index]->eagain)
3835 ost->unavailable = 1;
3840 return ret == AVERROR_EOF ? 0 : ret;
3842 return reap_filters(0);
3846 * The following code is the main loop of the file converter
3848 static int transcode(void)
3851 AVFormatContext *os;
3854 int64_t timer_start;
3856 ret = transcode_init();
3860 if (stdin_interaction) {
3861 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3864 timer_start = av_gettime_relative();
3867 if ((ret = init_input_threads()) < 0)
3871 while (!received_sigterm) {
3872 int64_t cur_time= av_gettime_relative();
3874 /* if 'q' pressed, exits */
3875 if (stdin_interaction)
3876 if (check_keyboard_interaction(cur_time) < 0)
3879 /* check if there's any stream where output is still needed */
3880 if (!need_output()) {
3881 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3885 ret = transcode_step();
3887 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
3891 av_strerror(ret, errbuf, sizeof(errbuf));
3893 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
3898 /* dump report by using the output first video and audio streams */
3899 print_report(0, timer_start, cur_time);
3902 free_input_threads();
3905 /* at the end of stream, we must flush the decoder buffers */
3906 for (i = 0; i < nb_input_streams; i++) {
3907 ist = input_streams[i];
3908 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3909 process_input_packet(ist, NULL);
3916 /* write the trailer if needed and close file */
3917 for (i = 0; i < nb_output_files; i++) {
3918 os = output_files[i]->ctx;
3919 av_write_trailer(os);
3922 /* dump report by using the first video and audio streams */
3923 print_report(1, timer_start, av_gettime_relative());
3925 /* close each encoder */
3926 for (i = 0; i < nb_output_streams; i++) {
3927 ost = output_streams[i];
3928 if (ost->encoding_needed) {
3929 av_freep(&ost->enc_ctx->stats_in);
3933 /* close each decoder */
3934 for (i = 0; i < nb_input_streams; i++) {
3935 ist = input_streams[i];
3936 if (ist->decoding_needed) {
3937 avcodec_close(ist->dec_ctx);
3938 if (ist->hwaccel_uninit)
3939 ist->hwaccel_uninit(ist->dec_ctx);
3948 free_input_threads();
3951 if (output_streams) {
3952 for (i = 0; i < nb_output_streams; i++) {
3953 ost = output_streams[i];
3956 fclose(ost->logfile);
3957 ost->logfile = NULL;
3959 av_freep(&ost->forced_kf_pts);
3960 av_freep(&ost->apad);
3961 av_freep(&ost->disposition);
3962 av_dict_free(&ost->encoder_opts);
3963 av_dict_free(&ost->swr_opts);
3964 av_dict_free(&ost->resample_opts);
3965 av_dict_free(&ost->bsf_args);
3973 static int64_t getutime(void)
3976 struct rusage rusage;
3978 getrusage(RUSAGE_SELF, &rusage);
3979 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3980 #elif HAVE_GETPROCESSTIMES
3982 FILETIME c, e, k, u;
3983 proc = GetCurrentProcess();
3984 GetProcessTimes(proc, &c, &e, &k, &u);
3985 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3987 return av_gettime_relative();
3991 static int64_t getmaxrss(void)
3993 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3994 struct rusage rusage;
3995 getrusage(RUSAGE_SELF, &rusage);
3996 return (int64_t)rusage.ru_maxrss * 1024;
3997 #elif HAVE_GETPROCESSMEMORYINFO
3999 PROCESS_MEMORY_COUNTERS memcounters;
4000 proc = GetCurrentProcess();
4001 memcounters.cb = sizeof(memcounters);
4002 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4003 return memcounters.PeakPagefileUsage;
4009 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4013 int main(int argc, char **argv)
4018 register_exit(ffmpeg_cleanup);
4020 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4022 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4023 parse_loglevel(argc, argv, options);
4025 if(argc>1 && !strcmp(argv[1], "-d")){
4027 av_log_set_callback(log_callback_null);
4032 avcodec_register_all();
4034 avdevice_register_all();
4036 avfilter_register_all();
4038 avformat_network_init();
4040 show_banner(argc, argv, options);
4044 /* parse options and open all input/output files */
4045 ret = ffmpeg_parse_options(argc, argv);
4049 if (nb_output_files <= 0 && nb_input_files == 0) {
4051 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4055 /* file converter / grab */
4056 if (nb_output_files <= 0) {
4057 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4061 // if (nb_input_files == 0) {
4062 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4066 current_time = ti = getutime();
4067 if (transcode() < 0)
4069 ti = getutime() - ti;
4071 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4073 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4074 decode_error_stat[0], decode_error_stat[1]);
4075 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4078 exit_program(received_nb_signals ? 255 : main_return_code);
4079 return main_return_code;