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;
1034 in_picture->pts = ost->sync_opts;
1037 if (!check_recording_time(ost))
1039 if (ost->frame_number >= ost->max_frames)
1043 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1044 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1045 /* raw pictures are written as AVPicture structure to
1046 avoid any copies. We support temporarily the older
1048 if (in_picture->interlaced_frame)
1049 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1051 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1052 pkt.data = (uint8_t *)in_picture;
1053 pkt.size = sizeof(AVPicture);
1054 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1055 pkt.flags |= AV_PKT_FLAG_KEY;
1057 write_frame(s, &pkt, ost);
1059 int got_packet, forced_keyframe = 0;
1062 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1063 ost->top_field_first >= 0)
1064 in_picture->top_field_first = !!ost->top_field_first;
1066 if (in_picture->interlaced_frame) {
1067 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1068 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1070 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1072 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1074 in_picture->quality = enc->global_quality;
1075 in_picture->pict_type = 0;
1077 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1078 in_picture->pts * av_q2d(enc->time_base) : NAN;
1079 if (ost->forced_kf_index < ost->forced_kf_count &&
1080 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1081 ost->forced_kf_index++;
1082 forced_keyframe = 1;
1083 } else if (ost->forced_keyframes_pexpr) {
1085 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1086 res = av_expr_eval(ost->forced_keyframes_pexpr,
1087 ost->forced_keyframes_expr_const_values, NULL);
1088 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1089 ost->forced_keyframes_expr_const_values[FKF_N],
1090 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1091 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1092 ost->forced_keyframes_expr_const_values[FKF_T],
1093 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1096 forced_keyframe = 1;
1097 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1098 ost->forced_keyframes_expr_const_values[FKF_N];
1099 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1100 ost->forced_keyframes_expr_const_values[FKF_T];
1101 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1104 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1107 if (forced_keyframe) {
1108 in_picture->pict_type = AV_PICTURE_TYPE_I;
1109 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1112 update_benchmark(NULL);
1114 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1115 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1116 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1117 enc->time_base.num, enc->time_base.den);
1120 ost->frames_encoded++;
1122 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1123 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1125 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1131 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1132 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1133 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1134 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1137 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1138 pkt.pts = ost->sync_opts;
1140 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1143 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1144 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1145 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1146 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1149 frame_size = pkt.size;
1150 write_frame(s, &pkt, ost);
1152 /* if two pass, output log */
1153 if (ost->logfile && enc->stats_out) {
1154 fprintf(ost->logfile, "%s", enc->stats_out);
1160 * For video, number of frames in == number of packets out.
1161 * But there may be reordering, so we can't throw away frames on encoder
1162 * flush, we need to limit them here, before they go into encoder.
1164 ost->frame_number++;
1166 if (vstats_filename && frame_size)
1167 do_video_stats(ost, frame_size);
1170 if (!ost->last_frame)
1171 ost->last_frame = av_frame_alloc();
1172 av_frame_unref(ost->last_frame);
1174 av_frame_ref(ost->last_frame, next_picture);
1177 static double psnr(double d)
1179 return -10.0 * log(d) / log(10.0);
1182 static void do_video_stats(OutputStream *ost, int frame_size)
1184 AVCodecContext *enc;
1186 double ti1, bitrate, avg_bitrate;
1188 /* this is executed just the first time do_video_stats is called */
1190 vstats_file = fopen(vstats_filename, "w");
1198 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1199 frame_number = ost->st->nb_frames;
1200 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame ? enc->coded_frame->quality / (float)FF_QP2LAMBDA : 0);
1201 if (enc->coded_frame && (enc->flags&CODEC_FLAG_PSNR))
1202 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1204 fprintf(vstats_file,"f_size= %6d ", frame_size);
1205 /* compute pts value */
1206 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1210 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1211 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1212 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1213 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1214 fprintf(vstats_file, "type= %c\n", enc->coded_frame ? av_get_picture_type_char(enc->coded_frame->pict_type) : 'I');
1218 static void finish_output_stream(OutputStream *ost)
1220 OutputFile *of = output_files[ost->file_index];
1223 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1226 for (i = 0; i < of->ctx->nb_streams; i++)
1227 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1232 * Get and encode new output from any of the filtergraphs, without causing
1235 * @return 0 for success, <0 for severe errors
1237 static int reap_filters(int flush)
1239 AVFrame *filtered_frame = NULL;
1242 /* Reap all buffers present in the buffer sinks */
1243 for (i = 0; i < nb_output_streams; i++) {
1244 OutputStream *ost = output_streams[i];
1245 OutputFile *of = output_files[ost->file_index];
1246 AVFilterContext *filter;
1247 AVCodecContext *enc = ost->enc_ctx;
1252 filter = ost->filter->filter;
1254 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1255 return AVERROR(ENOMEM);
1257 filtered_frame = ost->filtered_frame;
1260 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1261 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1262 AV_BUFFERSINK_FLAG_NO_REQUEST);
1264 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1265 av_log(NULL, AV_LOG_WARNING,
1266 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1268 if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
1269 do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
1273 if (ost->finished) {
1274 av_frame_unref(filtered_frame);
1277 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1278 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1279 AVRational tb = enc->time_base;
1280 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1282 tb.den <<= extra_bits;
1284 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1285 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1286 float_pts /= 1 << extra_bits;
1287 // 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
1288 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1290 filtered_frame->pts =
1291 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1292 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1294 //if (ost->source_index >= 0)
1295 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1297 switch (filter->inputs[0]->type) {
1298 case AVMEDIA_TYPE_VIDEO:
1299 if (!ost->frame_aspect_ratio.num)
1300 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1303 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1304 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1306 enc->time_base.num, enc->time_base.den);
1309 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1311 case AVMEDIA_TYPE_AUDIO:
1312 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1313 enc->channels != av_frame_get_channels(filtered_frame)) {
1314 av_log(NULL, AV_LOG_ERROR,
1315 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1318 do_audio_out(of->ctx, ost, filtered_frame);
1321 // TODO support subtitle filters
1325 av_frame_unref(filtered_frame);
1332 static void print_final_stats(int64_t total_size)
1334 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1335 uint64_t subtitle_size = 0;
1336 uint64_t data_size = 0;
1337 float percent = -1.0;
1340 for (i = 0; i < nb_output_streams; i++) {
1341 OutputStream *ost = output_streams[i];
1342 switch (ost->enc_ctx->codec_type) {
1343 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1344 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1345 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1346 default: other_size += ost->data_size; break;
1348 extra_size += ost->enc_ctx->extradata_size;
1349 data_size += ost->data_size;
1352 if (data_size && total_size>0 && total_size >= data_size)
1353 percent = 100.0 * (total_size - data_size) / data_size;
1355 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: ",
1356 video_size / 1024.0,
1357 audio_size / 1024.0,
1358 subtitle_size / 1024.0,
1359 other_size / 1024.0,
1360 extra_size / 1024.0);
1362 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1364 av_log(NULL, AV_LOG_INFO, "unknown");
1365 av_log(NULL, AV_LOG_INFO, "\n");
1367 /* print verbose per-stream stats */
1368 for (i = 0; i < nb_input_files; i++) {
1369 InputFile *f = input_files[i];
1370 uint64_t total_packets = 0, total_size = 0;
1372 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1373 i, f->ctx->filename);
1375 for (j = 0; j < f->nb_streams; j++) {
1376 InputStream *ist = input_streams[f->ist_index + j];
1377 enum AVMediaType type = ist->dec_ctx->codec_type;
1379 total_size += ist->data_size;
1380 total_packets += ist->nb_packets;
1382 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1383 i, j, media_type_string(type));
1384 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1385 ist->nb_packets, ist->data_size);
1387 if (ist->decoding_needed) {
1388 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1389 ist->frames_decoded);
1390 if (type == AVMEDIA_TYPE_AUDIO)
1391 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1392 av_log(NULL, AV_LOG_VERBOSE, "; ");
1395 av_log(NULL, AV_LOG_VERBOSE, "\n");
1398 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1399 total_packets, total_size);
1402 for (i = 0; i < nb_output_files; i++) {
1403 OutputFile *of = output_files[i];
1404 uint64_t total_packets = 0, total_size = 0;
1406 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1407 i, of->ctx->filename);
1409 for (j = 0; j < of->ctx->nb_streams; j++) {
1410 OutputStream *ost = output_streams[of->ost_index + j];
1411 enum AVMediaType type = ost->enc_ctx->codec_type;
1413 total_size += ost->data_size;
1414 total_packets += ost->packets_written;
1416 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1417 i, j, media_type_string(type));
1418 if (ost->encoding_needed) {
1419 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1420 ost->frames_encoded);
1421 if (type == AVMEDIA_TYPE_AUDIO)
1422 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1423 av_log(NULL, AV_LOG_VERBOSE, "; ");
1426 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1427 ost->packets_written, ost->data_size);
1429 av_log(NULL, AV_LOG_VERBOSE, "\n");
1432 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1433 total_packets, total_size);
1435 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1436 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1440 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1443 AVBPrint buf_script;
1445 AVFormatContext *oc;
1447 AVCodecContext *enc;
1448 int frame_number, vid, i;
1450 int64_t pts = INT64_MIN;
1451 static int64_t last_time = -1;
1452 static int qp_histogram[52];
1453 int hours, mins, secs, us;
1455 if (!print_stats && !is_last_report && !progress_avio)
1458 if (!is_last_report) {
1459 if (last_time == -1) {
1460 last_time = cur_time;
1463 if ((cur_time - last_time) < 500000)
1465 last_time = cur_time;
1469 oc = output_files[0]->ctx;
1471 total_size = avio_size(oc->pb);
1472 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1473 total_size = avio_tell(oc->pb);
1477 av_bprint_init(&buf_script, 0, 1);
1478 for (i = 0; i < nb_output_streams; i++) {
1480 ost = output_streams[i];
1482 if (!ost->stream_copy && enc->coded_frame)
1483 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1484 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1485 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1486 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1487 ost->file_index, ost->index, q);
1489 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1490 float fps, t = (cur_time-timer_start) / 1000000.0;
1492 frame_number = ost->frame_number;
1493 fps = t > 1 ? frame_number / t : 0;
1494 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1495 frame_number, fps < 9.95, fps, q);
1496 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1497 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1498 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1499 ost->file_index, ost->index, q);
1501 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1505 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1507 for (j = 0; j < 32; j++)
1508 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1510 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1512 double error, error_sum = 0;
1513 double scale, scale_sum = 0;
1515 char type[3] = { 'Y','U','V' };
1516 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1517 for (j = 0; j < 3; j++) {
1518 if (is_last_report) {
1519 error = enc->error[j];
1520 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1522 error = enc->coded_frame->error[j];
1523 scale = enc->width * enc->height * 255.0 * 255.0;
1529 p = psnr(error / scale);
1530 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1531 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1532 ost->file_index, ost->index, type[j] | 32, p);
1534 p = psnr(error_sum / scale_sum);
1535 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1536 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1537 ost->file_index, ost->index, p);
1541 /* compute min output value */
1542 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1543 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1544 ost->st->time_base, AV_TIME_BASE_Q));
1546 nb_frames_drop += ost->last_droped;
1549 secs = FFABS(pts) / AV_TIME_BASE;
1550 us = FFABS(pts) % AV_TIME_BASE;
1556 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1558 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1560 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1561 "size=%8.0fkB time=", total_size / 1024.0);
1563 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
1564 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1565 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1566 (100 * us) / AV_TIME_BASE);
1569 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1570 av_bprintf(&buf_script, "bitrate=N/A\n");
1572 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1573 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1576 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1577 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1578 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1579 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1580 hours, mins, secs, us);
1582 if (nb_frames_dup || nb_frames_drop)
1583 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1584 nb_frames_dup, nb_frames_drop);
1585 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1586 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1588 if (print_stats || is_last_report) {
1589 const char end = is_last_report ? '\n' : '\r';
1590 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1591 fprintf(stderr, "%s %c", buf, end);
1593 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1598 if (progress_avio) {
1599 av_bprintf(&buf_script, "progress=%s\n",
1600 is_last_report ? "end" : "continue");
1601 avio_write(progress_avio, buf_script.str,
1602 FFMIN(buf_script.len, buf_script.size - 1));
1603 avio_flush(progress_avio);
1604 av_bprint_finalize(&buf_script, NULL);
1605 if (is_last_report) {
1606 avio_closep(&progress_avio);
1611 print_final_stats(total_size);
1614 static void flush_encoders(void)
1618 for (i = 0; i < nb_output_streams; i++) {
1619 OutputStream *ost = output_streams[i];
1620 AVCodecContext *enc = ost->enc_ctx;
1621 AVFormatContext *os = output_files[ost->file_index]->ctx;
1622 int stop_encoding = 0;
1624 if (!ost->encoding_needed)
1627 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1629 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1633 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1636 switch (enc->codec_type) {
1637 case AVMEDIA_TYPE_AUDIO:
1638 encode = avcodec_encode_audio2;
1641 case AVMEDIA_TYPE_VIDEO:
1642 encode = avcodec_encode_video2;
1653 av_init_packet(&pkt);
1657 update_benchmark(NULL);
1658 ret = encode(enc, &pkt, NULL, &got_packet);
1659 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1661 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1664 if (ost->logfile && enc->stats_out) {
1665 fprintf(ost->logfile, "%s", enc->stats_out);
1671 if (ost->finished & MUXER_FINISHED) {
1672 av_free_packet(&pkt);
1675 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1676 pkt_size = pkt.size;
1677 write_frame(os, &pkt, ost);
1678 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1679 do_video_stats(ost, pkt_size);
1690 * Check whether a packet from ist should be written into ost at this time
1692 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1694 OutputFile *of = output_files[ost->file_index];
1695 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1697 if (ost->source_index != ist_index)
1703 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1709 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1711 OutputFile *of = output_files[ost->file_index];
1712 InputFile *f = input_files [ist->file_index];
1713 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1714 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1715 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1719 av_init_packet(&opkt);
1721 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1722 !ost->copy_initial_nonkeyframes)
1725 if (pkt->pts == AV_NOPTS_VALUE) {
1726 if (!ost->frame_number && ist->pts < start_time &&
1727 !ost->copy_prior_start)
1730 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1731 !ost->copy_prior_start)
1735 if (of->recording_time != INT64_MAX &&
1736 ist->pts >= of->recording_time + start_time) {
1737 close_output_stream(ost);
1741 if (f->recording_time != INT64_MAX) {
1742 start_time = f->ctx->start_time;
1743 if (f->start_time != AV_NOPTS_VALUE)
1744 start_time += f->start_time;
1745 if (ist->pts >= f->recording_time + start_time) {
1746 close_output_stream(ost);
1751 /* force the input stream PTS */
1752 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1755 if (pkt->pts != AV_NOPTS_VALUE)
1756 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1758 opkt.pts = AV_NOPTS_VALUE;
1760 if (pkt->dts == AV_NOPTS_VALUE)
1761 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1763 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1764 opkt.dts -= ost_tb_start_time;
1766 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1767 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1769 duration = ist->dec_ctx->frame_size;
1770 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1771 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1772 ost->st->time_base) - ost_tb_start_time;
1775 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1776 opkt.flags = pkt->flags;
1778 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1779 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1780 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1781 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1782 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1784 if (av_parser_change(ost->parser, ost->st->codec,
1785 &opkt.data, &opkt.size,
1786 pkt->data, pkt->size,
1787 pkt->flags & AV_PKT_FLAG_KEY)) {
1788 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1793 opkt.data = pkt->data;
1794 opkt.size = pkt->size;
1796 av_copy_packet_side_data(&opkt, pkt);
1798 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1799 /* store AVPicture in AVPacket, as expected by the output format */
1800 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1801 opkt.data = (uint8_t *)&pict;
1802 opkt.size = sizeof(AVPicture);
1803 opkt.flags |= AV_PKT_FLAG_KEY;
1806 write_frame(of->ctx, &opkt, ost);
1809 int guess_input_channel_layout(InputStream *ist)
1811 AVCodecContext *dec = ist->dec_ctx;
1813 if (!dec->channel_layout) {
1814 char layout_name[256];
1816 if (dec->channels > ist->guess_layout_max)
1818 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1819 if (!dec->channel_layout)
1821 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1822 dec->channels, dec->channel_layout);
1823 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1824 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1829 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1831 AVFrame *decoded_frame, *f;
1832 AVCodecContext *avctx = ist->dec_ctx;
1833 int i, ret, err = 0, resample_changed;
1834 AVRational decoded_frame_tb;
1836 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1837 return AVERROR(ENOMEM);
1838 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1839 return AVERROR(ENOMEM);
1840 decoded_frame = ist->decoded_frame;
1842 update_benchmark(NULL);
1843 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1844 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1846 if (ret >= 0 && avctx->sample_rate <= 0) {
1847 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1848 ret = AVERROR_INVALIDDATA;
1851 if (*got_output || ret<0 || pkt->size)
1852 decode_error_stat[ret<0] ++;
1854 if (!*got_output || ret < 0) {
1856 for (i = 0; i < ist->nb_filters; i++)
1858 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1860 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1866 ist->samples_decoded += decoded_frame->nb_samples;
1867 ist->frames_decoded++;
1870 /* increment next_dts to use for the case where the input stream does not
1871 have timestamps or there are multiple frames in the packet */
1872 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1874 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1878 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1879 ist->resample_channels != avctx->channels ||
1880 ist->resample_channel_layout != decoded_frame->channel_layout ||
1881 ist->resample_sample_rate != decoded_frame->sample_rate;
1882 if (resample_changed) {
1883 char layout1[64], layout2[64];
1885 if (!guess_input_channel_layout(ist)) {
1886 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1887 "layout for Input Stream #%d.%d\n", ist->file_index,
1891 decoded_frame->channel_layout = avctx->channel_layout;
1893 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1894 ist->resample_channel_layout);
1895 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1896 decoded_frame->channel_layout);
1898 av_log(NULL, AV_LOG_INFO,
1899 "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",
1900 ist->file_index, ist->st->index,
1901 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1902 ist->resample_channels, layout1,
1903 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1904 avctx->channels, layout2);
1906 ist->resample_sample_fmt = decoded_frame->format;
1907 ist->resample_sample_rate = decoded_frame->sample_rate;
1908 ist->resample_channel_layout = decoded_frame->channel_layout;
1909 ist->resample_channels = avctx->channels;
1911 for (i = 0; i < nb_filtergraphs; i++)
1912 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1913 FilterGraph *fg = filtergraphs[i];
1914 if (configure_filtergraph(fg) < 0) {
1915 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1921 /* if the decoder provides a pts, use it instead of the last packet pts.
1922 the decoder could be delaying output by a packet or more. */
1923 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1924 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1925 decoded_frame_tb = avctx->time_base;
1926 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1927 decoded_frame->pts = decoded_frame->pkt_pts;
1928 decoded_frame_tb = ist->st->time_base;
1929 } else if (pkt->pts != AV_NOPTS_VALUE) {
1930 decoded_frame->pts = pkt->pts;
1931 decoded_frame_tb = ist->st->time_base;
1933 decoded_frame->pts = ist->dts;
1934 decoded_frame_tb = AV_TIME_BASE_Q;
1936 pkt->pts = AV_NOPTS_VALUE;
1937 if (decoded_frame->pts != AV_NOPTS_VALUE)
1938 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1939 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1940 (AVRational){1, avctx->sample_rate});
1941 for (i = 0; i < ist->nb_filters; i++) {
1942 if (i < ist->nb_filters - 1) {
1943 f = ist->filter_frame;
1944 err = av_frame_ref(f, decoded_frame);
1949 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1950 AV_BUFFERSRC_FLAG_PUSH);
1951 if (err == AVERROR_EOF)
1952 err = 0; /* ignore */
1956 decoded_frame->pts = AV_NOPTS_VALUE;
1958 av_frame_unref(ist->filter_frame);
1959 av_frame_unref(decoded_frame);
1960 return err < 0 ? err : ret;
1963 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1965 AVFrame *decoded_frame, *f;
1966 int i, ret = 0, err = 0, resample_changed;
1967 int64_t best_effort_timestamp;
1968 AVRational *frame_sample_aspect;
1970 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1971 return AVERROR(ENOMEM);
1972 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1973 return AVERROR(ENOMEM);
1974 decoded_frame = ist->decoded_frame;
1975 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1977 update_benchmark(NULL);
1978 ret = avcodec_decode_video2(ist->dec_ctx,
1979 decoded_frame, got_output, pkt);
1980 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1982 // The following line may be required in some cases where there is no parser
1983 // or the parser does not has_b_frames correctly
1984 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1985 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1986 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1988 av_log_ask_for_sample(
1990 "has_b_frames is larger in decoder than demuxer %d > %d ",
1991 ist->dec_ctx->has_b_frames,
1992 ist->st->codec->has_b_frames
1996 if (*got_output || ret<0 || pkt->size)
1997 decode_error_stat[ret<0] ++;
1999 if (*got_output && ret >= 0) {
2000 if (ist->dec_ctx->width != decoded_frame->width ||
2001 ist->dec_ctx->height != decoded_frame->height ||
2002 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2003 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2004 decoded_frame->width,
2005 decoded_frame->height,
2006 decoded_frame->format,
2007 ist->dec_ctx->width,
2008 ist->dec_ctx->height,
2009 ist->dec_ctx->pix_fmt);
2013 if (!*got_output || ret < 0) {
2015 for (i = 0; i < ist->nb_filters; i++)
2017 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
2019 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2025 if(ist->top_field_first>=0)
2026 decoded_frame->top_field_first = ist->top_field_first;
2028 ist->frames_decoded++;
2030 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2031 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2035 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2037 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2038 if(best_effort_timestamp != AV_NOPTS_VALUE)
2039 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2042 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2043 "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",
2044 ist->st->index, av_ts2str(decoded_frame->pts),
2045 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2046 best_effort_timestamp,
2047 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2048 decoded_frame->key_frame, decoded_frame->pict_type,
2049 ist->st->time_base.num, ist->st->time_base.den);
2054 if (ist->st->sample_aspect_ratio.num)
2055 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2057 resample_changed = ist->resample_width != decoded_frame->width ||
2058 ist->resample_height != decoded_frame->height ||
2059 ist->resample_pix_fmt != decoded_frame->format;
2060 if (resample_changed) {
2061 av_log(NULL, AV_LOG_INFO,
2062 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2063 ist->file_index, ist->st->index,
2064 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2065 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2067 ist->resample_width = decoded_frame->width;
2068 ist->resample_height = decoded_frame->height;
2069 ist->resample_pix_fmt = decoded_frame->format;
2071 for (i = 0; i < nb_filtergraphs; i++) {
2072 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2073 configure_filtergraph(filtergraphs[i]) < 0) {
2074 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2080 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2081 for (i = 0; i < ist->nb_filters; i++) {
2082 if (!frame_sample_aspect->num)
2083 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2085 if (i < ist->nb_filters - 1) {
2086 f = ist->filter_frame;
2087 err = av_frame_ref(f, decoded_frame);
2092 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2093 if (ret == AVERROR_EOF) {
2094 ret = 0; /* ignore */
2095 } else if (ret < 0) {
2096 av_log(NULL, AV_LOG_FATAL,
2097 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2103 av_frame_unref(ist->filter_frame);
2104 av_frame_unref(decoded_frame);
2105 return err < 0 ? err : ret;
2108 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2110 AVSubtitle subtitle;
2111 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2112 &subtitle, got_output, pkt);
2114 if (*got_output || ret<0 || pkt->size)
2115 decode_error_stat[ret<0] ++;
2117 if (ret < 0 || !*got_output) {
2119 sub2video_flush(ist);
2123 if (ist->fix_sub_duration) {
2125 if (ist->prev_sub.got_output) {
2126 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2127 1000, AV_TIME_BASE);
2128 if (end < ist->prev_sub.subtitle.end_display_time) {
2129 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2130 "Subtitle duration reduced from %d to %d%s\n",
2131 ist->prev_sub.subtitle.end_display_time, end,
2132 end <= 0 ? ", dropping it" : "");
2133 ist->prev_sub.subtitle.end_display_time = end;
2136 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2137 FFSWAP(int, ret, ist->prev_sub.ret);
2138 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2146 sub2video_update(ist, &subtitle);
2148 if (!subtitle.num_rects)
2151 ist->frames_decoded++;
2153 for (i = 0; i < nb_output_streams; i++) {
2154 OutputStream *ost = output_streams[i];
2156 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2157 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2160 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2164 avsubtitle_free(&subtitle);
2168 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2169 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2175 if (!ist->saw_first_ts) {
2176 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;
2178 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2179 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2180 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2182 ist->saw_first_ts = 1;
2185 if (ist->next_dts == AV_NOPTS_VALUE)
2186 ist->next_dts = ist->dts;
2187 if (ist->next_pts == AV_NOPTS_VALUE)
2188 ist->next_pts = ist->pts;
2192 av_init_packet(&avpkt);
2200 if (pkt->dts != AV_NOPTS_VALUE) {
2201 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2202 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2203 ist->next_pts = ist->pts = ist->dts;
2206 // while we have more to decode or while the decoder did output something on EOF
2207 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2211 ist->pts = ist->next_pts;
2212 ist->dts = ist->next_dts;
2214 if (avpkt.size && avpkt.size != pkt->size &&
2215 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2216 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2217 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2218 ist->showed_multi_packet_warning = 1;
2221 switch (ist->dec_ctx->codec_type) {
2222 case AVMEDIA_TYPE_AUDIO:
2223 ret = decode_audio (ist, &avpkt, &got_output);
2225 case AVMEDIA_TYPE_VIDEO:
2226 ret = decode_video (ist, &avpkt, &got_output);
2227 if (avpkt.duration) {
2228 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2229 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2230 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2231 duration = ((int64_t)AV_TIME_BASE *
2232 ist->dec_ctx->framerate.den * ticks) /
2233 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2237 if(ist->dts != AV_NOPTS_VALUE && duration) {
2238 ist->next_dts += duration;
2240 ist->next_dts = AV_NOPTS_VALUE;
2243 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2245 case AVMEDIA_TYPE_SUBTITLE:
2246 ret = transcode_subtitles(ist, &avpkt, &got_output);
2256 avpkt.pts= AV_NOPTS_VALUE;
2258 // touch data and size only if not EOF
2260 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2268 if (got_output && !pkt)
2272 /* handle stream copy */
2273 if (!ist->decoding_needed) {
2274 ist->dts = ist->next_dts;
2275 switch (ist->dec_ctx->codec_type) {
2276 case AVMEDIA_TYPE_AUDIO:
2277 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2278 ist->dec_ctx->sample_rate;
2280 case AVMEDIA_TYPE_VIDEO:
2281 if (ist->framerate.num) {
2282 // TODO: Remove work-around for c99-to-c89 issue 7
2283 AVRational time_base_q = AV_TIME_BASE_Q;
2284 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2285 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2286 } else if (pkt->duration) {
2287 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2288 } else if(ist->dec_ctx->framerate.num != 0) {
2289 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2290 ist->next_dts += ((int64_t)AV_TIME_BASE *
2291 ist->dec_ctx->framerate.den * ticks) /
2292 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2296 ist->pts = ist->dts;
2297 ist->next_pts = ist->next_dts;
2299 for (i = 0; pkt && i < nb_output_streams; i++) {
2300 OutputStream *ost = output_streams[i];
2302 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2305 do_streamcopy(ist, ost, pkt);
2311 static void print_sdp(void)
2316 AVIOContext *sdp_pb;
2317 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2321 for (i = 0, j = 0; i < nb_output_files; i++) {
2322 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2323 avc[j] = output_files[i]->ctx;
2328 av_sdp_create(avc, j, sdp, sizeof(sdp));
2330 if (!sdp_filename) {
2331 printf("SDP:\n%s\n", sdp);
2334 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2335 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2337 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2338 avio_closep(&sdp_pb);
2339 av_freep(&sdp_filename);
2346 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2349 for (i = 0; hwaccels[i].name; i++)
2350 if (hwaccels[i].pix_fmt == pix_fmt)
2351 return &hwaccels[i];
2355 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2357 InputStream *ist = s->opaque;
2358 const enum AVPixelFormat *p;
2361 for (p = pix_fmts; *p != -1; p++) {
2362 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2363 const HWAccel *hwaccel;
2365 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2368 hwaccel = get_hwaccel(*p);
2370 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2371 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2374 ret = hwaccel->init(s);
2376 if (ist->hwaccel_id == hwaccel->id) {
2377 av_log(NULL, AV_LOG_FATAL,
2378 "%s hwaccel requested for input stream #%d:%d, "
2379 "but cannot be initialized.\n", hwaccel->name,
2380 ist->file_index, ist->st->index);
2381 return AV_PIX_FMT_NONE;
2385 ist->active_hwaccel_id = hwaccel->id;
2386 ist->hwaccel_pix_fmt = *p;
2393 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2395 InputStream *ist = s->opaque;
2397 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2398 return ist->hwaccel_get_buffer(s, frame, flags);
2400 return avcodec_default_get_buffer2(s, frame, flags);
2403 static int init_input_stream(int ist_index, char *error, int error_len)
2406 InputStream *ist = input_streams[ist_index];
2408 if (ist->decoding_needed) {
2409 AVCodec *codec = ist->dec;
2411 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2412 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2413 return AVERROR(EINVAL);
2416 ist->dec_ctx->opaque = ist;
2417 ist->dec_ctx->get_format = get_format;
2418 ist->dec_ctx->get_buffer2 = get_buffer;
2419 ist->dec_ctx->thread_safe_callbacks = 1;
2421 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2422 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2423 (ist->decoding_needed & DECODING_FOR_OST)) {
2424 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2425 if (ist->decoding_needed & DECODING_FOR_FILTER)
2426 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");
2429 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2430 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2431 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2432 if (ret == AVERROR_EXPERIMENTAL)
2433 abort_codec_experimental(codec, 0);
2435 snprintf(error, error_len,
2436 "Error while opening decoder for input stream "
2438 ist->file_index, ist->st->index, av_err2str(ret));
2441 assert_avoptions(ist->decoder_opts);
2444 ist->next_pts = AV_NOPTS_VALUE;
2445 ist->next_dts = AV_NOPTS_VALUE;
2450 static InputStream *get_input_stream(OutputStream *ost)
2452 if (ost->source_index >= 0)
2453 return input_streams[ost->source_index];
2457 static int compare_int64(const void *a, const void *b)
2459 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2460 return va < vb ? -1 : va > vb ? +1 : 0;
2463 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2464 AVCodecContext *avctx)
2467 int n = 1, i, size, index = 0;
2470 for (p = kf; *p; p++)
2474 pts = av_malloc_array(size, sizeof(*pts));
2476 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2481 for (i = 0; i < n; i++) {
2482 char *next = strchr(p, ',');
2487 if (!memcmp(p, "chapters", 8)) {
2489 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2492 if (avf->nb_chapters > INT_MAX - size ||
2493 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2495 av_log(NULL, AV_LOG_FATAL,
2496 "Could not allocate forced key frames array.\n");
2499 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2500 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2502 for (j = 0; j < avf->nb_chapters; j++) {
2503 AVChapter *c = avf->chapters[j];
2504 av_assert1(index < size);
2505 pts[index++] = av_rescale_q(c->start, c->time_base,
2506 avctx->time_base) + t;
2511 t = parse_time_or_die("force_key_frames", p, 1);
2512 av_assert1(index < size);
2513 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2520 av_assert0(index == size);
2521 qsort(pts, size, sizeof(*pts), compare_int64);
2522 ost->forced_kf_count = size;
2523 ost->forced_kf_pts = pts;
2526 static void report_new_stream(int input_index, AVPacket *pkt)
2528 InputFile *file = input_files[input_index];
2529 AVStream *st = file->ctx->streams[pkt->stream_index];
2531 if (pkt->stream_index < file->nb_streams_warn)
2533 av_log(file->ctx, AV_LOG_WARNING,
2534 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2535 av_get_media_type_string(st->codec->codec_type),
2536 input_index, pkt->stream_index,
2537 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2538 file->nb_streams_warn = pkt->stream_index + 1;
2541 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2543 AVDictionaryEntry *e;
2545 uint8_t *encoder_string;
2546 int encoder_string_len;
2547 int format_flags = 0;
2548 int codec_flags = 0;
2550 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2553 e = av_dict_get(of->opts, "fflags", NULL, 0);
2555 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2558 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2560 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2562 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2565 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2568 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2569 encoder_string = av_mallocz(encoder_string_len);
2570 if (!encoder_string)
2573 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2574 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2576 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2577 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2578 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2579 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2582 static int transcode_init(void)
2584 int ret = 0, i, j, k;
2585 AVFormatContext *oc;
2588 char error[1024] = {0};
2591 for (i = 0; i < nb_filtergraphs; i++) {
2592 FilterGraph *fg = filtergraphs[i];
2593 for (j = 0; j < fg->nb_outputs; j++) {
2594 OutputFilter *ofilter = fg->outputs[j];
2595 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2597 if (fg->nb_inputs != 1)
2599 for (k = nb_input_streams-1; k >= 0 ; k--)
2600 if (fg->inputs[0]->ist == input_streams[k])
2602 ofilter->ost->source_index = k;
2606 /* init framerate emulation */
2607 for (i = 0; i < nb_input_files; i++) {
2608 InputFile *ifile = input_files[i];
2609 if (ifile->rate_emu)
2610 for (j = 0; j < ifile->nb_streams; j++)
2611 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2614 /* output stream init */
2615 for (i = 0; i < nb_output_files; i++) {
2616 oc = output_files[i]->ctx;
2617 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2618 av_dump_format(oc, i, oc->filename, 1);
2619 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2620 return AVERROR(EINVAL);
2624 /* init complex filtergraphs */
2625 for (i = 0; i < nb_filtergraphs; i++)
2626 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2629 /* for each output stream, we compute the right encoding parameters */
2630 for (i = 0; i < nb_output_streams; i++) {
2631 AVCodecContext *enc_ctx;
2632 AVCodecContext *dec_ctx = NULL;
2633 ost = output_streams[i];
2634 oc = output_files[ost->file_index]->ctx;
2635 ist = get_input_stream(ost);
2637 if (ost->attachment_filename)
2640 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
2643 dec_ctx = ist->dec_ctx;
2645 ost->st->disposition = ist->st->disposition;
2646 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2647 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2649 for (j=0; j<oc->nb_streams; j++) {
2650 AVStream *st = oc->streams[j];
2651 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2654 if (j == oc->nb_streams)
2655 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2656 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2659 if (ost->stream_copy) {
2661 uint64_t extra_size;
2663 av_assert0(ist && !ost->filter);
2665 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2667 if (extra_size > INT_MAX) {
2668 return AVERROR(EINVAL);
2671 /* if stream_copy is selected, no need to decode or encode */
2672 enc_ctx->codec_id = dec_ctx->codec_id;
2673 enc_ctx->codec_type = dec_ctx->codec_type;
2675 if (!enc_ctx->codec_tag) {
2676 unsigned int codec_tag;
2677 if (!oc->oformat->codec_tag ||
2678 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2679 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2680 enc_ctx->codec_tag = dec_ctx->codec_tag;
2683 enc_ctx->bit_rate = dec_ctx->bit_rate;
2684 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2685 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2686 enc_ctx->field_order = dec_ctx->field_order;
2687 if (dec_ctx->extradata_size) {
2688 enc_ctx->extradata = av_mallocz(extra_size);
2689 if (!enc_ctx->extradata) {
2690 return AVERROR(ENOMEM);
2692 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2694 enc_ctx->extradata_size= dec_ctx->extradata_size;
2695 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2697 enc_ctx->time_base = ist->st->time_base;
2699 * Avi is a special case here because it supports variable fps but
2700 * having the fps and timebase differe significantly adds quite some
2703 if(!strcmp(oc->oformat->name, "avi")) {
2704 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2705 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2706 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2707 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2709 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2710 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2711 enc_ctx->ticks_per_frame = 2;
2712 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2713 && av_q2d(ist->st->time_base) < 1.0/500
2715 enc_ctx->time_base = dec_ctx->time_base;
2716 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2717 enc_ctx->time_base.den *= 2;
2718 enc_ctx->ticks_per_frame = 2;
2720 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2721 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2722 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2723 && strcmp(oc->oformat->name, "f4v")
2725 if( copy_tb<0 && dec_ctx->time_base.den
2726 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2727 && av_q2d(ist->st->time_base) < 1.0/500
2729 enc_ctx->time_base = dec_ctx->time_base;
2730 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2733 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2734 && dec_ctx->time_base.num < dec_ctx->time_base.den
2735 && dec_ctx->time_base.num > 0
2736 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2737 enc_ctx->time_base = dec_ctx->time_base;
2740 if (ist && !ost->frame_rate.num)
2741 ost->frame_rate = ist->framerate;
2742 if(ost->frame_rate.num)
2743 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2745 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2746 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2748 if (ist->st->nb_side_data) {
2749 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2750 sizeof(*ist->st->side_data));
2751 if (!ost->st->side_data)
2752 return AVERROR(ENOMEM);
2754 for (j = 0; j < ist->st->nb_side_data; j++) {
2755 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2756 AVPacketSideData *sd_dst = &ost->st->side_data[j];
2758 sd_dst->data = av_malloc(sd_src->size);
2760 return AVERROR(ENOMEM);
2761 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2762 sd_dst->size = sd_src->size;
2763 sd_dst->type = sd_src->type;
2764 ost->st->nb_side_data++;
2768 ost->parser = av_parser_init(enc_ctx->codec_id);
2770 switch (enc_ctx->codec_type) {
2771 case AVMEDIA_TYPE_AUDIO:
2772 if (audio_volume != 256) {
2773 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2776 enc_ctx->channel_layout = dec_ctx->channel_layout;
2777 enc_ctx->sample_rate = dec_ctx->sample_rate;
2778 enc_ctx->channels = dec_ctx->channels;
2779 enc_ctx->frame_size = dec_ctx->frame_size;
2780 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2781 enc_ctx->block_align = dec_ctx->block_align;
2782 enc_ctx->initial_padding = dec_ctx->delay;
2783 #if FF_API_AUDIOENC_DELAY
2784 enc_ctx->delay = dec_ctx->delay;
2786 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2787 enc_ctx->block_align= 0;
2788 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2789 enc_ctx->block_align= 0;
2791 case AVMEDIA_TYPE_VIDEO:
2792 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2793 enc_ctx->width = dec_ctx->width;
2794 enc_ctx->height = dec_ctx->height;
2795 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2796 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2798 av_mul_q(ost->frame_aspect_ratio,
2799 (AVRational){ enc_ctx->height, enc_ctx->width });
2800 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2801 "with stream copy may produce invalid files\n");
2803 else if (ist->st->sample_aspect_ratio.num)
2804 sar = ist->st->sample_aspect_ratio;
2806 sar = dec_ctx->sample_aspect_ratio;
2807 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2808 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2809 ost->st->r_frame_rate = ist->st->r_frame_rate;
2811 case AVMEDIA_TYPE_SUBTITLE:
2812 enc_ctx->width = dec_ctx->width;
2813 enc_ctx->height = dec_ctx->height;
2815 case AVMEDIA_TYPE_DATA:
2816 case AVMEDIA_TYPE_ATTACHMENT:
2823 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2825 /* should only happen when a default codec is not present. */
2826 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2827 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2828 ret = AVERROR(EINVAL);
2833 ist->decoding_needed |= DECODING_FOR_OST;
2834 ost->encoding_needed = 1;
2836 set_encoder_id(output_files[ost->file_index], ost);
2839 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2840 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2842 fg = init_simple_filtergraph(ist, ost);
2843 if (configure_filtergraph(fg)) {
2844 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2849 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2850 if (ost->filter && !ost->frame_rate.num)
2851 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2852 if (ist && !ost->frame_rate.num)
2853 ost->frame_rate = ist->framerate;
2854 if (ist && !ost->frame_rate.num)
2855 ost->frame_rate = ist->st->r_frame_rate;
2856 if (ist && !ost->frame_rate.num) {
2857 ost->frame_rate = (AVRational){25, 1};
2858 av_log(NULL, AV_LOG_WARNING,
2860 "about the input framerate is available. Falling "
2861 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2862 "if you want a different framerate.\n",
2863 ost->file_index, ost->index);
2865 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2866 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2867 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2868 ost->frame_rate = ost->enc->supported_framerates[idx];
2870 // reduce frame rate for mpeg4 to be within the spec limits
2871 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2872 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2873 ost->frame_rate.num, ost->frame_rate.den, 65535);
2877 switch (enc_ctx->codec_type) {
2878 case AVMEDIA_TYPE_AUDIO:
2879 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2880 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2881 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2882 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2883 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2885 case AVMEDIA_TYPE_VIDEO:
2886 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2887 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2888 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2889 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2890 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2891 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2892 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2894 for (j = 0; j < ost->forced_kf_count; j++)
2895 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2897 enc_ctx->time_base);
2899 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2900 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2901 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2902 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2903 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2904 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2905 if (!strncmp(ost->enc->name, "libx264", 7) &&
2906 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2907 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2908 av_log(NULL, AV_LOG_WARNING,
2909 "No pixel format specified, %s for H.264 encoding chosen.\n"
2910 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2911 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2912 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2913 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2914 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2915 av_log(NULL, AV_LOG_WARNING,
2916 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2917 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2918 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2919 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2921 ost->st->avg_frame_rate = ost->frame_rate;
2924 enc_ctx->width != dec_ctx->width ||
2925 enc_ctx->height != dec_ctx->height ||
2926 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2927 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2930 if (ost->forced_keyframes) {
2931 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2932 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2933 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2935 av_log(NULL, AV_LOG_ERROR,
2936 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2939 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2940 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2941 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2942 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2944 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2948 case AVMEDIA_TYPE_SUBTITLE:
2949 enc_ctx->time_base = (AVRational){1, 1000};
2950 if (!enc_ctx->width) {
2951 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2952 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2955 case AVMEDIA_TYPE_DATA:
2962 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2963 char logfilename[1024];
2966 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2967 ost->logfile_prefix ? ost->logfile_prefix :
2968 DEFAULT_PASS_LOGFILENAME_PREFIX,
2970 if (!strcmp(ost->enc->name, "libx264")) {
2971 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2973 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2975 size_t logbuffer_size;
2976 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2977 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2981 enc_ctx->stats_in = logbuffer;
2983 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2984 f = av_fopen_utf8(logfilename, "wb");
2986 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2987 logfilename, strerror(errno));
2996 if (ost->disposition) {
2997 static const AVOption opts[] = {
2998 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
2999 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3000 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3001 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3002 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3003 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3004 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3005 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3006 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3007 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3008 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3009 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3010 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3011 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3014 static const AVClass class = {
3016 .item_name = av_default_item_name,
3018 .version = LIBAVUTIL_VERSION_INT,
3020 const AVClass *pclass = &class;
3022 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3028 /* open each encoder */
3029 for (i = 0; i < nb_output_streams; i++) {
3030 ost = output_streams[i];
3031 if (ost->encoding_needed) {
3032 AVCodec *codec = ost->enc;
3033 AVCodecContext *dec = NULL;
3035 if ((ist = get_input_stream(ost)))
3037 if (dec && dec->subtitle_header) {
3038 /* ASS code assumes this buffer is null terminated so add extra byte. */
3039 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3040 if (!ost->enc_ctx->subtitle_header) {
3041 ret = AVERROR(ENOMEM);
3044 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3045 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3047 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3048 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3049 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3051 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3052 if (ret == AVERROR_EXPERIMENTAL)
3053 abort_codec_experimental(codec, 1);
3054 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3055 ost->file_index, ost->index);
3058 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3059 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3060 av_buffersink_set_frame_size(ost->filter->filter,
3061 ost->enc_ctx->frame_size);
3062 assert_avoptions(ost->encoder_opts);
3063 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3064 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3065 " It takes bits/s as argument, not kbits/s\n");
3067 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3069 av_log(NULL, AV_LOG_FATAL,
3070 "Error initializing the output stream codec context.\n");
3074 // copy timebase while removing common factors
3075 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3076 ost->st->codec->codec= ost->enc_ctx->codec;
3078 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3080 av_log(NULL, AV_LOG_FATAL,
3081 "Error setting up codec context options.\n");
3084 // copy timebase while removing common factors
3085 ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
3089 /* init input streams */
3090 for (i = 0; i < nb_input_streams; i++)
3091 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3092 for (i = 0; i < nb_output_streams; i++) {
3093 ost = output_streams[i];
3094 avcodec_close(ost->enc_ctx);
3099 /* discard unused programs */
3100 for (i = 0; i < nb_input_files; i++) {
3101 InputFile *ifile = input_files[i];
3102 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3103 AVProgram *p = ifile->ctx->programs[j];
3104 int discard = AVDISCARD_ALL;
3106 for (k = 0; k < p->nb_stream_indexes; k++)
3107 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3108 discard = AVDISCARD_DEFAULT;
3111 p->discard = discard;
3115 /* open files and write file headers */
3116 for (i = 0; i < nb_output_files; i++) {
3117 oc = output_files[i]->ctx;
3118 oc->interrupt_callback = int_cb;
3119 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3120 snprintf(error, sizeof(error),
3121 "Could not write header for output file #%d "
3122 "(incorrect codec parameters ?): %s",
3123 i, av_err2str(ret));
3124 ret = AVERROR(EINVAL);
3127 // assert_avoptions(output_files[i]->opts);
3128 if (strcmp(oc->oformat->name, "rtp")) {
3134 /* dump the file output parameters - cannot be done before in case
3136 for (i = 0; i < nb_output_files; i++) {
3137 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3140 /* dump the stream mapping */
3141 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3142 for (i = 0; i < nb_input_streams; i++) {
3143 ist = input_streams[i];
3145 for (j = 0; j < ist->nb_filters; j++) {
3146 if (ist->filters[j]->graph->graph_desc) {
3147 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3148 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3149 ist->filters[j]->name);
3150 if (nb_filtergraphs > 1)
3151 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3152 av_log(NULL, AV_LOG_INFO, "\n");
3157 for (i = 0; i < nb_output_streams; i++) {
3158 ost = output_streams[i];
3160 if (ost->attachment_filename) {
3161 /* an attached file */
3162 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3163 ost->attachment_filename, ost->file_index, ost->index);
3167 if (ost->filter && ost->filter->graph->graph_desc) {
3168 /* output from a complex graph */
3169 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3170 if (nb_filtergraphs > 1)
3171 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3173 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3174 ost->index, ost->enc ? ost->enc->name : "?");
3178 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3179 input_streams[ost->source_index]->file_index,
3180 input_streams[ost->source_index]->st->index,
3183 if (ost->sync_ist != input_streams[ost->source_index])
3184 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3185 ost->sync_ist->file_index,
3186 ost->sync_ist->st->index);
3187 if (ost->stream_copy)
3188 av_log(NULL, AV_LOG_INFO, " (copy)");
3190 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3191 const AVCodec *out_codec = ost->enc;
3192 const char *decoder_name = "?";
3193 const char *in_codec_name = "?";
3194 const char *encoder_name = "?";
3195 const char *out_codec_name = "?";
3196 const AVCodecDescriptor *desc;
3199 decoder_name = in_codec->name;
3200 desc = avcodec_descriptor_get(in_codec->id);
3202 in_codec_name = desc->name;
3203 if (!strcmp(decoder_name, in_codec_name))
3204 decoder_name = "native";
3208 encoder_name = out_codec->name;
3209 desc = avcodec_descriptor_get(out_codec->id);
3211 out_codec_name = desc->name;
3212 if (!strcmp(encoder_name, out_codec_name))
3213 encoder_name = "native";
3216 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3217 in_codec_name, decoder_name,
3218 out_codec_name, encoder_name);
3220 av_log(NULL, AV_LOG_INFO, "\n");
3224 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3228 if (sdp_filename || want_sdp) {
3232 transcode_init_done = 1;
3237 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3238 static int need_output(void)
3242 for (i = 0; i < nb_output_streams; i++) {
3243 OutputStream *ost = output_streams[i];
3244 OutputFile *of = output_files[ost->file_index];
3245 AVFormatContext *os = output_files[ost->file_index]->ctx;
3247 if (ost->finished ||
3248 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3250 if (ost->frame_number >= ost->max_frames) {
3252 for (j = 0; j < of->ctx->nb_streams; j++)
3253 close_output_stream(output_streams[of->ost_index + j]);
3264 * Select the output stream to process.
3266 * @return selected output stream, or NULL if none available
3268 static OutputStream *choose_output(void)
3271 int64_t opts_min = INT64_MAX;
3272 OutputStream *ost_min = NULL;
3274 for (i = 0; i < nb_output_streams; i++) {
3275 OutputStream *ost = output_streams[i];
3276 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3278 if (!ost->finished && opts < opts_min) {
3280 ost_min = ost->unavailable ? NULL : ost;
3286 static int check_keyboard_interaction(int64_t cur_time)
3289 static int64_t last_time;
3290 if (received_nb_signals)
3291 return AVERROR_EXIT;
3292 /* read_key() returns 0 on EOF */
3293 if(cur_time - last_time >= 100000 && !run_as_daemon){
3295 last_time = cur_time;
3299 return AVERROR_EXIT;
3300 if (key == '+') av_log_set_level(av_log_get_level()+10);
3301 if (key == '-') av_log_set_level(av_log_get_level()-10);
3302 if (key == 's') qp_hist ^= 1;
3305 do_hex_dump = do_pkt_dump = 0;
3306 } else if(do_pkt_dump){
3310 av_log_set_level(AV_LOG_DEBUG);
3312 if (key == 'c' || key == 'C'){
3313 char buf[4096], target[64], command[256], arg[256] = {0};
3316 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3318 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3323 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3324 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3325 target, time, command, arg);
3326 for (i = 0; i < nb_filtergraphs; i++) {
3327 FilterGraph *fg = filtergraphs[i];
3330 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3331 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3332 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3333 } else if (key == 'c') {
3334 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3335 ret = AVERROR_PATCHWELCOME;
3337 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3342 av_log(NULL, AV_LOG_ERROR,
3343 "Parse error, at least 3 arguments were expected, "
3344 "only %d given in string '%s'\n", n, buf);
3347 if (key == 'd' || key == 'D'){
3350 debug = input_streams[0]->st->codec->debug<<1;
3351 if(!debug) debug = 1;
3352 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3355 if(scanf("%d", &debug)!=1)
3356 fprintf(stderr,"error parsing debug value\n");
3357 for(i=0;i<nb_input_streams;i++) {
3358 input_streams[i]->st->codec->debug = debug;
3360 for(i=0;i<nb_output_streams;i++) {
3361 OutputStream *ost = output_streams[i];
3362 ost->enc_ctx->debug = debug;
3364 if(debug) av_log_set_level(AV_LOG_DEBUG);
3365 fprintf(stderr,"debug=%d\n", debug);
3368 fprintf(stderr, "key function\n"
3369 "? show this help\n"
3370 "+ increase verbosity\n"
3371 "- decrease verbosity\n"
3372 "c Send command to first matching filter supporting it\n"
3373 "C Send/Que command to all matching filters\n"
3374 "D cycle through available debug modes\n"
3375 "h dump packets/hex press to cycle through the 3 states\n"
3377 "s Show QP histogram\n"
3384 static void *input_thread(void *arg)
3387 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
3392 ret = av_read_frame(f->ctx, &pkt);
3394 if (ret == AVERROR(EAGAIN)) {
3399 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3402 av_dup_packet(&pkt);
3403 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3404 if (flags && ret == AVERROR(EAGAIN)) {
3406 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
3407 av_log(f->ctx, AV_LOG_WARNING,
3408 "Thread message queue blocking; consider raising the "
3409 "thread_queue_size option (current value: %d)\n",
3410 f->thread_queue_size);
3413 if (ret != AVERROR_EOF)
3414 av_log(f->ctx, AV_LOG_ERROR,
3415 "Unable to send packet to main thread: %s\n",
3417 av_free_packet(&pkt);
3418 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3426 static void free_input_threads(void)
3430 for (i = 0; i < nb_input_files; i++) {
3431 InputFile *f = input_files[i];
3434 if (!f->in_thread_queue)
3436 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3437 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3438 av_free_packet(&pkt);
3440 pthread_join(f->thread, NULL);
3442 av_thread_message_queue_free(&f->in_thread_queue);
3446 static int init_input_threads(void)
3450 if (nb_input_files == 1)
3453 for (i = 0; i < nb_input_files; i++) {
3454 InputFile *f = input_files[i];
3456 if (f->ctx->pb ? !f->ctx->pb->seekable :
3457 strcmp(f->ctx->iformat->name, "lavfi"))
3458 f->non_blocking = 1;
3459 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3460 f->thread_queue_size, sizeof(AVPacket));
3464 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3465 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3466 av_thread_message_queue_free(&f->in_thread_queue);
3467 return AVERROR(ret);
3473 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3475 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3477 AV_THREAD_MESSAGE_NONBLOCK : 0);
3481 static int get_input_packet(InputFile *f, AVPacket *pkt)
3485 for (i = 0; i < f->nb_streams; i++) {
3486 InputStream *ist = input_streams[f->ist_index + i];
3487 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3488 int64_t now = av_gettime_relative() - ist->start;
3490 return AVERROR(EAGAIN);
3495 if (nb_input_files > 1)
3496 return get_input_packet_mt(f, pkt);
3498 return av_read_frame(f->ctx, pkt);
3501 static int got_eagain(void)
3504 for (i = 0; i < nb_output_streams; i++)
3505 if (output_streams[i]->unavailable)
3510 static void reset_eagain(void)
3513 for (i = 0; i < nb_input_files; i++)
3514 input_files[i]->eagain = 0;
3515 for (i = 0; i < nb_output_streams; i++)
3516 output_streams[i]->unavailable = 0;
3521 * - 0 -- one packet was read and processed
3522 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3523 * this function should be called again
3524 * - AVERROR_EOF -- this function should not be called again
3526 static int process_input(int file_index)
3528 InputFile *ifile = input_files[file_index];
3529 AVFormatContext *is;
3535 ret = get_input_packet(ifile, &pkt);
3537 if (ret == AVERROR(EAGAIN)) {
3542 if (ret != AVERROR_EOF) {
3543 print_error(is->filename, ret);
3548 for (i = 0; i < ifile->nb_streams; i++) {
3549 ist = input_streams[ifile->ist_index + i];
3550 if (ist->decoding_needed) {
3551 ret = process_input_packet(ist, NULL);
3556 /* mark all outputs that don't go through lavfi as finished */
3557 for (j = 0; j < nb_output_streams; j++) {
3558 OutputStream *ost = output_streams[j];
3560 if (ost->source_index == ifile->ist_index + i &&
3561 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3562 finish_output_stream(ost);
3566 ifile->eof_reached = 1;
3567 return AVERROR(EAGAIN);
3573 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3574 is->streams[pkt.stream_index]);
3576 /* the following test is needed in case new streams appear
3577 dynamically in stream : we ignore them */
3578 if (pkt.stream_index >= ifile->nb_streams) {
3579 report_new_stream(file_index, &pkt);
3580 goto discard_packet;
3583 ist = input_streams[ifile->ist_index + pkt.stream_index];
3585 ist->data_size += pkt.size;
3589 goto discard_packet;
3592 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3593 "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",
3594 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3595 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3596 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3597 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3598 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3599 av_ts2str(input_files[ist->file_index]->ts_offset),
3600 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3603 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3604 int64_t stime, stime2;
3605 // Correcting starttime based on the enabled streams
3606 // 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.
3607 // so we instead do it here as part of discontinuity handling
3608 if ( ist->next_dts == AV_NOPTS_VALUE
3609 && ifile->ts_offset == -is->start_time
3610 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3611 int64_t new_start_time = INT64_MAX;
3612 for (i=0; i<is->nb_streams; i++) {
3613 AVStream *st = is->streams[i];
3614 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3616 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3618 if (new_start_time > is->start_time) {
3619 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3620 ifile->ts_offset = -new_start_time;
3624 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3625 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3626 ist->wrap_correction_done = 1;
3628 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3629 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3630 ist->wrap_correction_done = 0;
3632 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3633 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3634 ist->wrap_correction_done = 0;
3638 /* add the stream-global side data to the first packet */
3639 if (ist->nb_packets == 1) {
3640 if (ist->st->nb_side_data)
3641 av_packet_split_side_data(&pkt);
3642 for (i = 0; i < ist->st->nb_side_data; i++) {
3643 AVPacketSideData *src_sd = &ist->st->side_data[i];
3646 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3649 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3653 memcpy(dst_data, src_sd->data, src_sd->size);
3657 if (pkt.dts != AV_NOPTS_VALUE)
3658 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3659 if (pkt.pts != AV_NOPTS_VALUE)
3660 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3662 if (pkt.pts != AV_NOPTS_VALUE)
3663 pkt.pts *= ist->ts_scale;
3664 if (pkt.dts != AV_NOPTS_VALUE)
3665 pkt.dts *= ist->ts_scale;
3667 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3668 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3669 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3670 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3671 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3672 int64_t delta = pkt_dts - ifile->last_ts;
3673 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3674 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3675 ifile->ts_offset -= delta;
3676 av_log(NULL, AV_LOG_DEBUG,
3677 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3678 delta, ifile->ts_offset);
3679 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3680 if (pkt.pts != AV_NOPTS_VALUE)
3681 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3685 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3686 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3687 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3689 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3690 int64_t delta = pkt_dts - ist->next_dts;
3691 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3692 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3693 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3694 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3695 ifile->ts_offset -= delta;
3696 av_log(NULL, AV_LOG_DEBUG,
3697 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3698 delta, ifile->ts_offset);
3699 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3700 if (pkt.pts != AV_NOPTS_VALUE)
3701 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3704 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3705 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3706 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3707 pkt.dts = AV_NOPTS_VALUE;
3709 if (pkt.pts != AV_NOPTS_VALUE){
3710 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3711 delta = pkt_pts - ist->next_dts;
3712 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3713 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3714 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3715 pkt.pts = AV_NOPTS_VALUE;
3721 if (pkt.dts != AV_NOPTS_VALUE)
3722 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3725 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",
3726 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3727 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3728 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3729 av_ts2str(input_files[ist->file_index]->ts_offset),
3730 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3733 sub2video_heartbeat(ist, pkt.pts);
3735 ret = process_input_packet(ist, &pkt);
3737 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3738 ist->file_index, ist->st->index, av_err2str(ret));
3744 av_free_packet(&pkt);
3750 * Perform a step of transcoding for the specified filter graph.
3752 * @param[in] graph filter graph to consider
3753 * @param[out] best_ist input stream where a frame would allow to continue
3754 * @return 0 for success, <0 for error
3756 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3759 int nb_requests, nb_requests_max = 0;
3760 InputFilter *ifilter;
3764 ret = avfilter_graph_request_oldest(graph->graph);
3766 return reap_filters(0);
3768 if (ret == AVERROR_EOF) {
3769 ret = reap_filters(1);
3770 for (i = 0; i < graph->nb_outputs; i++)
3771 close_output_stream(graph->outputs[i]->ost);
3774 if (ret != AVERROR(EAGAIN))
3777 for (i = 0; i < graph->nb_inputs; i++) {
3778 ifilter = graph->inputs[i];
3780 if (input_files[ist->file_index]->eagain ||
3781 input_files[ist->file_index]->eof_reached)
3783 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3784 if (nb_requests > nb_requests_max) {
3785 nb_requests_max = nb_requests;
3791 for (i = 0; i < graph->nb_outputs; i++)
3792 graph->outputs[i]->ost->unavailable = 1;
3798 * Run a single step of transcoding.
3800 * @return 0 for success, <0 for error
3802 static int transcode_step(void)
3808 ost = choose_output();
3815 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3820 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3825 av_assert0(ost->source_index >= 0);
3826 ist = input_streams[ost->source_index];
3829 ret = process_input(ist->file_index);
3830 if (ret == AVERROR(EAGAIN)) {
3831 if (input_files[ist->file_index]->eagain)
3832 ost->unavailable = 1;
3837 return ret == AVERROR_EOF ? 0 : ret;
3839 return reap_filters(0);
3843 * The following code is the main loop of the file converter
3845 static int transcode(void)
3848 AVFormatContext *os;
3851 int64_t timer_start;
3853 ret = transcode_init();
3857 if (stdin_interaction) {
3858 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3861 timer_start = av_gettime_relative();
3864 if ((ret = init_input_threads()) < 0)
3868 while (!received_sigterm) {
3869 int64_t cur_time= av_gettime_relative();
3871 /* if 'q' pressed, exits */
3872 if (stdin_interaction)
3873 if (check_keyboard_interaction(cur_time) < 0)
3876 /* check if there's any stream where output is still needed */
3877 if (!need_output()) {
3878 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3882 ret = transcode_step();
3884 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
3888 av_strerror(ret, errbuf, sizeof(errbuf));
3890 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
3895 /* dump report by using the output first video and audio streams */
3896 print_report(0, timer_start, cur_time);
3899 free_input_threads();
3902 /* at the end of stream, we must flush the decoder buffers */
3903 for (i = 0; i < nb_input_streams; i++) {
3904 ist = input_streams[i];
3905 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3906 process_input_packet(ist, NULL);
3913 /* write the trailer if needed and close file */
3914 for (i = 0; i < nb_output_files; i++) {
3915 os = output_files[i]->ctx;
3916 av_write_trailer(os);
3919 /* dump report by using the first video and audio streams */
3920 print_report(1, timer_start, av_gettime_relative());
3922 /* close each encoder */
3923 for (i = 0; i < nb_output_streams; i++) {
3924 ost = output_streams[i];
3925 if (ost->encoding_needed) {
3926 av_freep(&ost->enc_ctx->stats_in);
3930 /* close each decoder */
3931 for (i = 0; i < nb_input_streams; i++) {
3932 ist = input_streams[i];
3933 if (ist->decoding_needed) {
3934 avcodec_close(ist->dec_ctx);
3935 if (ist->hwaccel_uninit)
3936 ist->hwaccel_uninit(ist->dec_ctx);
3945 free_input_threads();
3948 if (output_streams) {
3949 for (i = 0; i < nb_output_streams; i++) {
3950 ost = output_streams[i];
3953 fclose(ost->logfile);
3954 ost->logfile = NULL;
3956 av_freep(&ost->forced_kf_pts);
3957 av_freep(&ost->apad);
3958 av_freep(&ost->disposition);
3959 av_dict_free(&ost->encoder_opts);
3960 av_dict_free(&ost->swr_opts);
3961 av_dict_free(&ost->resample_opts);
3962 av_dict_free(&ost->bsf_args);
3970 static int64_t getutime(void)
3973 struct rusage rusage;
3975 getrusage(RUSAGE_SELF, &rusage);
3976 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3977 #elif HAVE_GETPROCESSTIMES
3979 FILETIME c, e, k, u;
3980 proc = GetCurrentProcess();
3981 GetProcessTimes(proc, &c, &e, &k, &u);
3982 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3984 return av_gettime_relative();
3988 static int64_t getmaxrss(void)
3990 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3991 struct rusage rusage;
3992 getrusage(RUSAGE_SELF, &rusage);
3993 return (int64_t)rusage.ru_maxrss * 1024;
3994 #elif HAVE_GETPROCESSMEMORYINFO
3996 PROCESS_MEMORY_COUNTERS memcounters;
3997 proc = GetCurrentProcess();
3998 memcounters.cb = sizeof(memcounters);
3999 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4000 return memcounters.PeakPagefileUsage;
4006 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4010 int main(int argc, char **argv)
4015 register_exit(ffmpeg_cleanup);
4017 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4019 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4020 parse_loglevel(argc, argv, options);
4022 if(argc>1 && !strcmp(argv[1], "-d")){
4024 av_log_set_callback(log_callback_null);
4029 avcodec_register_all();
4031 avdevice_register_all();
4033 avfilter_register_all();
4035 avformat_network_init();
4037 show_banner(argc, argv, options);
4041 /* parse options and open all input/output files */
4042 ret = ffmpeg_parse_options(argc, argv);
4046 if (nb_output_files <= 0 && nb_input_files == 0) {
4048 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4052 /* file converter / grab */
4053 if (nb_output_files <= 0) {
4054 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4058 // if (nb_input_files == 0) {
4059 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4063 current_time = ti = getutime();
4064 if (transcode() < 0)
4066 ti = getutime() - ti;
4068 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4070 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4071 decode_error_stat[0], decode_error_stat[1]);
4072 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4075 exit_program(received_nb_signals ? 255 : main_return_code);
4076 return main_return_code;