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 "libavformat/os_support.h"
64 #include "libavformat/ffm.h" // not public API
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;
136 /* signal to input threads that they should exit; set by the main thread */
137 static int transcoding_finished;
140 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
142 InputStream **input_streams = NULL;
143 int nb_input_streams = 0;
144 InputFile **input_files = NULL;
145 int nb_input_files = 0;
147 OutputStream **output_streams = NULL;
148 int nb_output_streams = 0;
149 OutputFile **output_files = NULL;
150 int nb_output_files = 0;
152 FilterGraph **filtergraphs;
157 /* init terminal so that we can grab keys */
158 static struct termios oldtty;
159 static int restore_tty;
162 static void free_input_threads(void);
166 Convert subtitles to video with alpha to insert them in filter graphs.
167 This is a temporary solution until libavfilter gets real subtitles support.
170 static int sub2video_get_blank_frame(InputStream *ist)
173 AVFrame *frame = ist->sub2video.frame;
175 av_frame_unref(frame);
176 ist->sub2video.frame->width = ist->sub2video.w;
177 ist->sub2video.frame->height = ist->sub2video.h;
178 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
179 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
181 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
185 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
188 uint32_t *pal, *dst2;
192 if (r->type != SUBTITLE_BITMAP) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
196 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
197 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
201 dst += r->y * dst_linesize + r->x * 4;
202 src = r->pict.data[0];
203 pal = (uint32_t *)r->pict.data[1];
204 for (y = 0; y < r->h; y++) {
205 dst2 = (uint32_t *)dst;
207 for (x = 0; x < r->w; x++)
208 *(dst2++) = pal[*(src2++)];
210 src += r->pict.linesize[0];
214 static void sub2video_push_ref(InputStream *ist, int64_t pts)
216 AVFrame *frame = ist->sub2video.frame;
219 av_assert1(frame->data[0]);
220 ist->sub2video.last_pts = frame->pts = pts;
221 for (i = 0; i < ist->nb_filters; i++)
222 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
223 AV_BUFFERSRC_FLAG_KEEP_REF |
224 AV_BUFFERSRC_FLAG_PUSH);
227 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
229 int w = ist->sub2video.w, h = ist->sub2video.h;
230 AVFrame *frame = ist->sub2video.frame;
234 int64_t pts, end_pts;
239 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
240 AV_TIME_BASE_Q, ist->st->time_base);
241 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
242 AV_TIME_BASE_Q, ist->st->time_base);
243 num_rects = sub->num_rects;
245 pts = ist->sub2video.end_pts;
249 if (sub2video_get_blank_frame(ist) < 0) {
250 av_log(ist->st->codec, AV_LOG_ERROR,
251 "Impossible to get a blank canvas.\n");
254 dst = frame->data [0];
255 dst_linesize = frame->linesize[0];
256 for (i = 0; i < num_rects; i++)
257 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
258 sub2video_push_ref(ist, pts);
259 ist->sub2video.end_pts = end_pts;
262 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
264 InputFile *infile = input_files[ist->file_index];
268 /* When a frame is read from a file, examine all sub2video streams in
269 the same file and send the sub2video frame again. Otherwise, decoded
270 video frames could be accumulating in the filter graph while a filter
271 (possibly overlay) is desperately waiting for a subtitle frame. */
272 for (i = 0; i < infile->nb_streams; i++) {
273 InputStream *ist2 = input_streams[infile->ist_index + i];
274 if (!ist2->sub2video.frame)
276 /* subtitles seem to be usually muxed ahead of other streams;
277 if not, substracting a larger time here is necessary */
278 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
279 /* do not send the heartbeat frame if the subtitle is already ahead */
280 if (pts2 <= ist2->sub2video.last_pts)
282 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
283 sub2video_update(ist2, NULL);
284 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
285 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
287 sub2video_push_ref(ist2, pts2);
291 static void sub2video_flush(InputStream *ist)
295 if (ist->sub2video.end_pts < INT64_MAX)
296 sub2video_update(ist, NULL);
297 for (i = 0; i < ist->nb_filters; i++)
298 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
301 /* end of sub2video hack */
303 static void term_exit_sigsafe(void)
307 tcsetattr (0, TCSANOW, &oldtty);
313 av_log(NULL, AV_LOG_QUIET, "%s", "");
317 static volatile int received_sigterm = 0;
318 static volatile int received_nb_signals = 0;
319 static volatile int transcode_init_done = 0;
320 static int main_return_code = 0;
323 sigterm_handler(int sig)
325 received_sigterm = sig;
326 received_nb_signals++;
328 if(received_nb_signals > 3)
339 istty = isatty(0) && isatty(2);
341 if (istty && tcgetattr (0, &tty) == 0) {
345 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
346 |INLCR|IGNCR|ICRNL|IXON);
347 tty.c_oflag |= OPOST;
348 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
349 tty.c_cflag &= ~(CSIZE|PARENB);
354 tcsetattr (0, TCSANOW, &tty);
356 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
359 avformat_network_deinit();
361 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
362 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
364 signal(SIGXCPU, sigterm_handler);
368 /* read a key without blocking */
369 static int read_key(void)
381 n = select(1, &rfds, NULL, NULL, &tv);
390 # if HAVE_PEEKNAMEDPIPE
392 static HANDLE input_handle;
395 input_handle = GetStdHandle(STD_INPUT_HANDLE);
396 is_pipe = !GetConsoleMode(input_handle, &dw);
399 if (stdin->_cnt > 0) {
404 /* When running under a GUI, you will end here. */
405 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
406 // input pipe may have been closed by the program that ran ffmpeg
424 static int decode_interrupt_cb(void *ctx)
426 return received_nb_signals > transcode_init_done;
429 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
431 static void ffmpeg_cleanup(int ret)
436 int maxrss = getmaxrss() / 1024;
437 printf("bench: maxrss=%ikB\n", maxrss);
440 for (i = 0; i < nb_filtergraphs; i++) {
441 avfilter_graph_free(&filtergraphs[i]->graph);
442 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
443 av_freep(&filtergraphs[i]->inputs[j]->name);
444 av_freep(&filtergraphs[i]->inputs[j]);
446 av_freep(&filtergraphs[i]->inputs);
447 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
448 av_freep(&filtergraphs[i]->outputs[j]->name);
449 av_freep(&filtergraphs[i]->outputs[j]);
451 av_freep(&filtergraphs[i]->outputs);
452 av_freep(&filtergraphs[i]->graph_desc);
453 av_freep(&filtergraphs[i]);
455 av_freep(&filtergraphs);
457 av_freep(&subtitle_out);
460 for (i = 0; i < nb_output_files; i++) {
461 AVFormatContext *s = output_files[i]->ctx;
462 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
464 avformat_free_context(s);
465 av_dict_free(&output_files[i]->opts);
466 av_freep(&output_files[i]);
468 for (i = 0; i < nb_output_streams; i++) {
469 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
471 AVBitStreamFilterContext *next = bsfc->next;
472 av_bitstream_filter_close(bsfc);
475 output_streams[i]->bitstream_filters = NULL;
476 av_frame_free(&output_streams[i]->filtered_frame);
478 av_parser_close(output_streams[i]->parser);
480 av_freep(&output_streams[i]->forced_keyframes);
481 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
482 av_freep(&output_streams[i]->avfilter);
483 av_freep(&output_streams[i]->logfile_prefix);
484 av_freep(&output_streams[i]);
487 free_input_threads();
489 for (i = 0; i < nb_input_files; i++) {
490 avformat_close_input(&input_files[i]->ctx);
491 av_freep(&input_files[i]);
493 for (i = 0; i < nb_input_streams; i++) {
494 av_frame_free(&input_streams[i]->decoded_frame);
495 av_frame_free(&input_streams[i]->filter_frame);
496 av_dict_free(&input_streams[i]->opts);
497 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
498 av_frame_free(&input_streams[i]->sub2video.frame);
499 av_freep(&input_streams[i]->filters);
500 av_freep(&input_streams[i]->hwaccel_device);
501 av_freep(&input_streams[i]);
506 av_free(vstats_filename);
508 av_freep(&input_streams);
509 av_freep(&input_files);
510 av_freep(&output_streams);
511 av_freep(&output_files);
515 avformat_network_deinit();
517 if (received_sigterm) {
518 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
519 (int) received_sigterm);
520 } else if (ret && transcode_init_done) {
521 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
526 void assert_avoptions(AVDictionary *m)
528 AVDictionaryEntry *t;
529 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
530 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
535 static void abort_codec_experimental(AVCodec *c, int encoder)
540 static void update_benchmark(const char *fmt, ...)
542 if (do_benchmark_all) {
543 int64_t t = getutime();
549 vsnprintf(buf, sizeof(buf), fmt, va);
551 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
557 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
560 for (i = 0; i < nb_output_streams; i++) {
561 OutputStream *ost2 = output_streams[i];
562 ost2->finished |= ost == ost2 ? this_stream : others;
566 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
568 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
569 AVCodecContext *avctx = ost->st->codec;
572 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
573 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
574 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
577 * Audio encoders may split the packets -- #frames in != #packets out.
578 * But there is no reordering, so we can limit the number of output packets
579 * by simply dropping them here.
580 * Counting encoded video frames needs to be done separately because of
581 * reordering, see do_video_out()
583 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
584 if (ost->frame_number >= ost->max_frames) {
592 AVPacket new_pkt = *pkt;
593 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
594 &new_pkt.data, &new_pkt.size,
595 pkt->data, pkt->size,
596 pkt->flags & AV_PKT_FLAG_KEY);
597 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
598 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
600 memcpy(t, new_pkt.data, new_pkt.size);
601 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
610 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
611 av_buffer_default_free, NULL, 0);
615 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
616 bsfc->filter->name, pkt->stream_index,
617 avctx->codec ? avctx->codec->name : "copy");
627 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
628 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
629 pkt->dts != AV_NOPTS_VALUE &&
630 ost->last_mux_dts != AV_NOPTS_VALUE) {
631 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
632 if (pkt->dts < max) {
633 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
634 av_log(s, loglevel, "Non-monotonous DTS in output stream "
635 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
636 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
638 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
641 av_log(s, loglevel, "changing to %"PRId64". This may result "
642 "in incorrect timestamps in the output file.\n",
644 if(pkt->pts >= pkt->dts)
645 pkt->pts = FFMAX(pkt->pts, max);
649 ost->last_mux_dts = pkt->dts;
651 ost->data_size += pkt->size;
652 ost->packets_written++;
654 pkt->stream_index = ost->index;
657 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
658 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
659 av_get_media_type_string(ost->st->codec->codec_type),
660 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
661 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
666 ret = av_interleaved_write_frame(s, pkt);
668 print_error("av_interleaved_write_frame()", ret);
669 main_return_code = 1;
670 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
675 static void close_output_stream(OutputStream *ost)
677 OutputFile *of = output_files[ost->file_index];
679 ost->finished |= ENCODER_FINISHED;
681 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
682 of->recording_time = FFMIN(of->recording_time, end);
686 static int check_recording_time(OutputStream *ost)
688 OutputFile *of = output_files[ost->file_index];
690 if (of->recording_time != INT64_MAX &&
691 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
692 AV_TIME_BASE_Q) >= 0) {
693 close_output_stream(ost);
699 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
702 AVCodecContext *enc = ost->st->codec;
706 av_init_packet(&pkt);
710 if (!check_recording_time(ost))
713 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
714 frame->pts = ost->sync_opts;
715 ost->sync_opts = frame->pts + frame->nb_samples;
716 ost->samples_encoded += frame->nb_samples;
717 ost->frames_encoded++;
719 av_assert0(pkt.size || !pkt.data);
720 update_benchmark(NULL);
722 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
723 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
724 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
725 enc->time_base.num, enc->time_base.den);
728 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
729 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
732 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
735 if (pkt.pts != AV_NOPTS_VALUE)
736 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
737 if (pkt.dts != AV_NOPTS_VALUE)
738 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
739 if (pkt.duration > 0)
740 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
743 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
744 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
745 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
746 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
749 write_frame(s, &pkt, ost);
753 static void do_subtitle_out(AVFormatContext *s,
758 int subtitle_out_max_size = 1024 * 1024;
759 int subtitle_out_size, nb, i;
764 if (sub->pts == AV_NOPTS_VALUE) {
765 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
771 enc = ost->st->codec;
774 subtitle_out = av_malloc(subtitle_out_max_size);
777 /* Note: DVB subtitle need one packet to draw them and one other
778 packet to clear them */
779 /* XXX: signal it in the codec context ? */
780 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
785 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
787 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
788 pts -= output_files[ost->file_index]->start_time;
789 for (i = 0; i < nb; i++) {
790 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
791 if (!check_recording_time(ost))
795 // start_display_time is required to be 0
796 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
797 sub->end_display_time -= sub->start_display_time;
798 sub->start_display_time = 0;
802 ost->frames_encoded++;
804 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
805 subtitle_out_max_size, sub);
806 if (subtitle_out_size < 0) {
807 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
811 av_init_packet(&pkt);
812 pkt.data = subtitle_out;
813 pkt.size = subtitle_out_size;
814 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
815 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
816 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
817 /* XXX: the pts correction is handled here. Maybe handling
818 it in the codec would be better */
820 pkt.pts += 90 * sub->start_display_time;
822 pkt.pts += 90 * sub->end_display_time;
824 write_frame(s, &pkt, ost);
828 static void do_video_out(AVFormatContext *s,
832 int ret, format_video_sync;
834 AVCodecContext *enc = ost->st->codec;
836 double sync_ipts, delta;
839 InputStream *ist = NULL;
841 if (ost->source_index >= 0)
842 ist = input_streams[ost->source_index];
844 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
845 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
847 sync_ipts = in_picture->pts;
848 delta = sync_ipts - ost->sync_opts + duration;
850 /* by default, we output a single frame */
853 format_video_sync = video_sync_method;
854 if (format_video_sync == VSYNC_AUTO) {
855 if(!strcmp(s->oformat->name, "avi")) {
856 format_video_sync = VSYNC_VFR;
858 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
860 && format_video_sync == VSYNC_CFR
861 && input_files[ist->file_index]->ctx->nb_streams == 1
862 && input_files[ist->file_index]->input_ts_offset == 0) {
863 format_video_sync = VSYNC_VSCFR;
865 if (format_video_sync == VSYNC_CFR && copy_ts) {
866 format_video_sync = VSYNC_VSCFR;
870 switch (format_video_sync) {
872 if (ost->frame_number == 0 && delta - duration >= 0.5) {
873 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
875 ost->sync_opts = lrint(sync_ipts);
878 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
881 else if (delta > 1.1)
882 nb_frames = lrintf(delta);
887 else if (delta > 0.6)
888 ost->sync_opts = lrint(sync_ipts);
891 case VSYNC_PASSTHROUGH:
892 ost->sync_opts = lrint(sync_ipts);
898 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
899 if (nb_frames == 0) {
901 av_log(NULL, AV_LOG_VERBOSE,
902 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
903 ost->frame_number, ost->st->index, in_picture->pts);
905 } else if (nb_frames > 1) {
906 if (nb_frames > dts_error_threshold * 30) {
907 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
911 nb_frames_dup += nb_frames - 1;
912 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
915 /* duplicates frame if needed */
916 for (i = 0; i < nb_frames; i++) {
917 av_init_packet(&pkt);
921 in_picture->pts = ost->sync_opts;
924 if (!check_recording_time(ost))
926 if (ost->frame_number >= ost->max_frames)
930 if (s->oformat->flags & AVFMT_RAWPICTURE &&
931 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
932 /* raw pictures are written as AVPicture structure to
933 avoid any copies. We support temporarily the older
935 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
936 enc->coded_frame->top_field_first = in_picture->top_field_first;
937 if (enc->coded_frame->interlaced_frame)
938 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
940 enc->field_order = AV_FIELD_PROGRESSIVE;
941 pkt.data = (uint8_t *)in_picture;
942 pkt.size = sizeof(AVPicture);
943 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
944 pkt.flags |= AV_PKT_FLAG_KEY;
946 write_frame(s, &pkt, ost);
948 int got_packet, forced_keyframe = 0;
951 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
952 ost->top_field_first >= 0)
953 in_picture->top_field_first = !!ost->top_field_first;
955 if (in_picture->interlaced_frame) {
956 if (enc->codec->id == AV_CODEC_ID_MJPEG)
957 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
959 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
961 enc->field_order = AV_FIELD_PROGRESSIVE;
963 in_picture->quality = ost->st->codec->global_quality;
964 if (!enc->me_threshold)
965 in_picture->pict_type = 0;
967 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
968 in_picture->pts * av_q2d(enc->time_base) : NAN;
969 if (ost->forced_kf_index < ost->forced_kf_count &&
970 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
971 ost->forced_kf_index++;
973 } else if (ost->forced_keyframes_pexpr) {
975 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
976 res = av_expr_eval(ost->forced_keyframes_pexpr,
977 ost->forced_keyframes_expr_const_values, NULL);
978 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
979 ost->forced_keyframes_expr_const_values[FKF_N],
980 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
981 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
982 ost->forced_keyframes_expr_const_values[FKF_T],
983 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
987 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
988 ost->forced_keyframes_expr_const_values[FKF_N];
989 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
990 ost->forced_keyframes_expr_const_values[FKF_T];
991 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
994 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
997 if (forced_keyframe) {
998 in_picture->pict_type = AV_PICTURE_TYPE_I;
999 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1002 update_benchmark(NULL);
1004 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1005 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1006 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1007 enc->time_base.num, enc->time_base.den);
1010 ost->frames_encoded++;
1012 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1013 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1015 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1021 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1022 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1023 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1024 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1027 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1028 pkt.pts = ost->sync_opts;
1030 if (pkt.pts != AV_NOPTS_VALUE)
1031 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1032 if (pkt.dts != AV_NOPTS_VALUE)
1033 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1036 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1037 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1038 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1039 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1042 frame_size = pkt.size;
1043 write_frame(s, &pkt, ost);
1045 /* if two pass, output log */
1046 if (ost->logfile && enc->stats_out) {
1047 fprintf(ost->logfile, "%s", enc->stats_out);
1053 * For video, number of frames in == number of packets out.
1054 * But there may be reordering, so we can't throw away frames on encoder
1055 * flush, we need to limit them here, before they go into encoder.
1057 ost->frame_number++;
1059 if (vstats_filename && frame_size)
1060 do_video_stats(ost, frame_size);
1064 static double psnr(double d)
1066 return -10.0 * log(d) / log(10.0);
1069 static void do_video_stats(OutputStream *ost, int frame_size)
1071 AVCodecContext *enc;
1073 double ti1, bitrate, avg_bitrate;
1075 /* this is executed just the first time do_video_stats is called */
1077 vstats_file = fopen(vstats_filename, "w");
1084 enc = ost->st->codec;
1085 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1086 frame_number = ost->st->nb_frames;
1087 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1088 if (enc->flags&CODEC_FLAG_PSNR)
1089 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1091 fprintf(vstats_file,"f_size= %6d ", frame_size);
1092 /* compute pts value */
1093 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1097 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1098 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1099 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1100 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1101 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1106 * Get and encode new output from any of the filtergraphs, without causing
1109 * @return 0 for success, <0 for severe errors
1111 static int reap_filters(void)
1113 AVFrame *filtered_frame = NULL;
1117 /* Reap all buffers present in the buffer sinks */
1118 for (i = 0; i < nb_output_streams; i++) {
1119 OutputStream *ost = output_streams[i];
1120 OutputFile *of = output_files[ost->file_index];
1121 AVFilterContext *filter;
1122 AVCodecContext *enc = ost->st->codec;
1127 filter = ost->filter->filter;
1129 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1130 return AVERROR(ENOMEM);
1132 filtered_frame = ost->filtered_frame;
1135 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1136 AV_BUFFERSINK_FLAG_NO_REQUEST);
1138 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1139 av_log(NULL, AV_LOG_WARNING,
1140 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1144 if (ost->finished) {
1145 av_frame_unref(filtered_frame);
1148 frame_pts = AV_NOPTS_VALUE;
1149 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1150 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1151 filtered_frame->pts = frame_pts =
1152 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1153 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1155 //if (ost->source_index >= 0)
1156 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1158 switch (filter->inputs[0]->type) {
1159 case AVMEDIA_TYPE_VIDEO:
1160 filtered_frame->pts = frame_pts;
1161 if (!ost->frame_aspect_ratio.num)
1162 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1165 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1166 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1167 enc->time_base.num, enc->time_base.den);
1170 do_video_out(of->ctx, ost, filtered_frame);
1172 case AVMEDIA_TYPE_AUDIO:
1173 filtered_frame->pts = frame_pts;
1174 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1175 enc->channels != av_frame_get_channels(filtered_frame)) {
1176 av_log(NULL, AV_LOG_ERROR,
1177 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1180 do_audio_out(of->ctx, ost, filtered_frame);
1183 // TODO support subtitle filters
1187 av_frame_unref(filtered_frame);
1194 static void print_final_stats(int64_t total_size)
1196 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1197 uint64_t subtitle_size = 0;
1198 uint64_t data_size = 0;
1199 float percent = -1.0;
1202 for (i = 0; i < nb_output_streams; i++) {
1203 OutputStream *ost = output_streams[i];
1204 switch (ost->st->codec->codec_type) {
1205 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1206 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1207 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1208 default: other_size += ost->data_size; break;
1210 extra_size += ost->st->codec->extradata_size;
1211 data_size += ost->data_size;
1214 if (data_size && total_size >= data_size)
1215 percent = 100.0 * (total_size - data_size) / data_size;
1217 av_log(NULL, AV_LOG_INFO, "\n");
1218 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: ",
1219 video_size / 1024.0,
1220 audio_size / 1024.0,
1221 subtitle_size / 1024.0,
1222 other_size / 1024.0,
1223 extra_size / 1024.0);
1225 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1227 av_log(NULL, AV_LOG_INFO, "unknown");
1228 av_log(NULL, AV_LOG_INFO, "\n");
1230 /* print verbose per-stream stats */
1231 for (i = 0; i < nb_input_files; i++) {
1232 InputFile *f = input_files[i];
1233 uint64_t total_packets = 0, total_size = 0;
1235 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1236 i, f->ctx->filename);
1238 for (j = 0; j < f->nb_streams; j++) {
1239 InputStream *ist = input_streams[f->ist_index + j];
1240 enum AVMediaType type = ist->st->codec->codec_type;
1242 total_size += ist->data_size;
1243 total_packets += ist->nb_packets;
1245 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1246 i, j, media_type_string(type));
1247 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1248 ist->nb_packets, ist->data_size);
1250 if (ist->decoding_needed) {
1251 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1252 ist->frames_decoded);
1253 if (type == AVMEDIA_TYPE_AUDIO)
1254 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1255 av_log(NULL, AV_LOG_VERBOSE, "; ");
1258 av_log(NULL, AV_LOG_VERBOSE, "\n");
1261 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1262 total_packets, total_size);
1265 for (i = 0; i < nb_output_files; i++) {
1266 OutputFile *of = output_files[i];
1267 uint64_t total_packets = 0, total_size = 0;
1269 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1270 i, of->ctx->filename);
1272 for (j = 0; j < of->ctx->nb_streams; j++) {
1273 OutputStream *ost = output_streams[of->ost_index + j];
1274 enum AVMediaType type = ost->st->codec->codec_type;
1276 total_size += ost->data_size;
1277 total_packets += ost->packets_written;
1279 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1280 i, j, media_type_string(type));
1281 if (ost->encoding_needed) {
1282 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1283 ost->frames_encoded);
1284 if (type == AVMEDIA_TYPE_AUDIO)
1285 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1286 av_log(NULL, AV_LOG_VERBOSE, "; ");
1289 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1290 ost->packets_written, ost->data_size);
1292 av_log(NULL, AV_LOG_VERBOSE, "\n");
1295 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1296 total_packets, total_size);
1298 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1299 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1303 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1306 AVBPrint buf_script;
1308 AVFormatContext *oc;
1310 AVCodecContext *enc;
1311 int frame_number, vid, i;
1313 int64_t pts = INT64_MIN;
1314 static int64_t last_time = -1;
1315 static int qp_histogram[52];
1316 int hours, mins, secs, us;
1318 if (!print_stats && !is_last_report && !progress_avio)
1321 if (!is_last_report) {
1322 if (last_time == -1) {
1323 last_time = cur_time;
1326 if ((cur_time - last_time) < 500000)
1328 last_time = cur_time;
1332 oc = output_files[0]->ctx;
1334 total_size = avio_size(oc->pb);
1335 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1336 total_size = avio_tell(oc->pb);
1340 av_bprint_init(&buf_script, 0, 1);
1341 for (i = 0; i < nb_output_streams; i++) {
1343 ost = output_streams[i];
1344 enc = ost->st->codec;
1345 if (!ost->stream_copy && enc->coded_frame)
1346 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1347 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1349 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1350 ost->file_index, ost->index, q);
1352 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1353 float fps, t = (cur_time-timer_start) / 1000000.0;
1355 frame_number = ost->frame_number;
1356 fps = t > 1 ? frame_number / t : 0;
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1358 frame_number, fps < 9.95, fps, q);
1359 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1360 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1361 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1362 ost->file_index, ost->index, q);
1364 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1368 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1370 for (j = 0; j < 32; j++)
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1373 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1375 double error, error_sum = 0;
1376 double scale, scale_sum = 0;
1378 char type[3] = { 'Y','U','V' };
1379 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1380 for (j = 0; j < 3; j++) {
1381 if (is_last_report) {
1382 error = enc->error[j];
1383 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1385 error = enc->coded_frame->error[j];
1386 scale = enc->width * enc->height * 255.0 * 255.0;
1392 p = psnr(error / scale);
1393 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1394 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1395 ost->file_index, ost->index, type[j] | 32, p);
1397 p = psnr(error_sum / scale_sum);
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1399 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1400 ost->file_index, ost->index, p);
1404 /* compute min output value */
1405 if (ost->st->pts.val != AV_NOPTS_VALUE)
1406 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1407 ost->st->time_base, AV_TIME_BASE_Q));
1410 secs = pts / AV_TIME_BASE;
1411 us = pts % AV_TIME_BASE;
1417 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1419 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1421 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1422 "size=%8.0fkB time=", total_size / 1024.0);
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1424 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1425 (100 * us) / AV_TIME_BASE);
1426 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1428 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1429 "bitrate=%6.1fkbits/s", bitrate);
1430 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1431 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1432 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1433 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1434 hours, mins, secs, us);
1436 if (nb_frames_dup || nb_frames_drop)
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1438 nb_frames_dup, nb_frames_drop);
1439 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1440 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1442 if (print_stats || is_last_report) {
1443 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1444 fprintf(stderr, "%s \r", buf);
1446 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1451 if (progress_avio) {
1452 av_bprintf(&buf_script, "progress=%s\n",
1453 is_last_report ? "end" : "continue");
1454 avio_write(progress_avio, buf_script.str,
1455 FFMIN(buf_script.len, buf_script.size - 1));
1456 avio_flush(progress_avio);
1457 av_bprint_finalize(&buf_script, NULL);
1458 if (is_last_report) {
1459 avio_close(progress_avio);
1460 progress_avio = NULL;
1465 print_final_stats(total_size);
1468 static void flush_encoders(void)
1472 for (i = 0; i < nb_output_streams; i++) {
1473 OutputStream *ost = output_streams[i];
1474 AVCodecContext *enc = ost->st->codec;
1475 AVFormatContext *os = output_files[ost->file_index]->ctx;
1476 int stop_encoding = 0;
1478 if (!ost->encoding_needed)
1481 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1483 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1487 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1490 switch (ost->st->codec->codec_type) {
1491 case AVMEDIA_TYPE_AUDIO:
1492 encode = avcodec_encode_audio2;
1495 case AVMEDIA_TYPE_VIDEO:
1496 encode = avcodec_encode_video2;
1507 av_init_packet(&pkt);
1511 update_benchmark(NULL);
1512 ret = encode(enc, &pkt, NULL, &got_packet);
1513 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1515 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1518 if (ost->logfile && enc->stats_out) {
1519 fprintf(ost->logfile, "%s", enc->stats_out);
1525 if (ost->finished & MUXER_FINISHED) {
1526 av_free_packet(&pkt);
1529 if (pkt.pts != AV_NOPTS_VALUE)
1530 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1531 if (pkt.dts != AV_NOPTS_VALUE)
1532 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1533 if (pkt.duration > 0)
1534 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1535 pkt_size = pkt.size;
1536 write_frame(os, &pkt, ost);
1537 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1538 do_video_stats(ost, pkt_size);
1549 * Check whether a packet from ist should be written into ost at this time
1551 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1553 OutputFile *of = output_files[ost->file_index];
1554 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1556 if (ost->source_index != ist_index)
1562 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1568 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1570 OutputFile *of = output_files[ost->file_index];
1571 InputFile *f = input_files [ist->file_index];
1572 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1573 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1574 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1578 av_init_packet(&opkt);
1580 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1581 !ost->copy_initial_nonkeyframes)
1584 if (pkt->pts == AV_NOPTS_VALUE) {
1585 if (!ost->frame_number && ist->pts < start_time &&
1586 !ost->copy_prior_start)
1589 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1590 !ost->copy_prior_start)
1594 if (of->recording_time != INT64_MAX &&
1595 ist->pts >= of->recording_time + start_time) {
1596 close_output_stream(ost);
1600 if (f->recording_time != INT64_MAX) {
1601 start_time = f->ctx->start_time;
1602 if (f->start_time != AV_NOPTS_VALUE)
1603 start_time += f->start_time;
1604 if (ist->pts >= f->recording_time + start_time) {
1605 close_output_stream(ost);
1610 /* force the input stream PTS */
1611 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1614 if (pkt->pts != AV_NOPTS_VALUE)
1615 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1617 opkt.pts = AV_NOPTS_VALUE;
1619 if (pkt->dts == AV_NOPTS_VALUE)
1620 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1622 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1623 opkt.dts -= ost_tb_start_time;
1625 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1626 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1628 duration = ist->st->codec->frame_size;
1629 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1630 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1631 ost->st->time_base) - ost_tb_start_time;
1634 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1635 opkt.flags = pkt->flags;
1637 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1638 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1639 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1640 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1641 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1643 if (av_parser_change(ost->parser, ost->st->codec,
1644 &opkt.data, &opkt.size,
1645 pkt->data, pkt->size,
1646 pkt->flags & AV_PKT_FLAG_KEY)) {
1647 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1652 opkt.data = pkt->data;
1653 opkt.size = pkt->size;
1655 av_copy_packet_side_data(&opkt, pkt);
1657 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1658 /* store AVPicture in AVPacket, as expected by the output format */
1659 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1660 opkt.data = (uint8_t *)&pict;
1661 opkt.size = sizeof(AVPicture);
1662 opkt.flags |= AV_PKT_FLAG_KEY;
1665 write_frame(of->ctx, &opkt, ost);
1666 ost->st->codec->frame_number++;
1669 int guess_input_channel_layout(InputStream *ist)
1671 AVCodecContext *dec = ist->st->codec;
1673 if (!dec->channel_layout) {
1674 char layout_name[256];
1676 if (dec->channels > ist->guess_layout_max)
1678 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1679 if (!dec->channel_layout)
1681 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1682 dec->channels, dec->channel_layout);
1683 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1684 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1689 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1691 AVFrame *decoded_frame, *f;
1692 AVCodecContext *avctx = ist->st->codec;
1693 int i, ret, err = 0, resample_changed;
1694 AVRational decoded_frame_tb;
1696 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1697 return AVERROR(ENOMEM);
1698 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1699 return AVERROR(ENOMEM);
1700 decoded_frame = ist->decoded_frame;
1702 update_benchmark(NULL);
1703 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1704 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1706 if (ret >= 0 && avctx->sample_rate <= 0) {
1707 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1708 ret = AVERROR_INVALIDDATA;
1711 if (*got_output || ret<0 || pkt->size)
1712 decode_error_stat[ret<0] ++;
1714 if (!*got_output || ret < 0) {
1716 for (i = 0; i < ist->nb_filters; i++)
1718 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1720 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1726 ist->samples_decoded += decoded_frame->nb_samples;
1727 ist->frames_decoded++;
1730 /* increment next_dts to use for the case where the input stream does not
1731 have timestamps or there are multiple frames in the packet */
1732 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1734 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1738 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1739 ist->resample_channels != avctx->channels ||
1740 ist->resample_channel_layout != decoded_frame->channel_layout ||
1741 ist->resample_sample_rate != decoded_frame->sample_rate;
1742 if (resample_changed) {
1743 char layout1[64], layout2[64];
1745 if (!guess_input_channel_layout(ist)) {
1746 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1747 "layout for Input Stream #%d.%d\n", ist->file_index,
1751 decoded_frame->channel_layout = avctx->channel_layout;
1753 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1754 ist->resample_channel_layout);
1755 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1756 decoded_frame->channel_layout);
1758 av_log(NULL, AV_LOG_INFO,
1759 "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",
1760 ist->file_index, ist->st->index,
1761 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1762 ist->resample_channels, layout1,
1763 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1764 avctx->channels, layout2);
1766 ist->resample_sample_fmt = decoded_frame->format;
1767 ist->resample_sample_rate = decoded_frame->sample_rate;
1768 ist->resample_channel_layout = decoded_frame->channel_layout;
1769 ist->resample_channels = avctx->channels;
1771 for (i = 0; i < nb_filtergraphs; i++)
1772 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1773 FilterGraph *fg = filtergraphs[i];
1775 if (configure_filtergraph(fg) < 0) {
1776 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1779 for (j = 0; j < fg->nb_outputs; j++) {
1780 OutputStream *ost = fg->outputs[j]->ost;
1781 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1782 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1783 av_buffersink_set_frame_size(ost->filter->filter,
1784 ost->st->codec->frame_size);
1789 /* if the decoder provides a pts, use it instead of the last packet pts.
1790 the decoder could be delaying output by a packet or more. */
1791 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1792 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1793 decoded_frame_tb = avctx->time_base;
1794 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1795 decoded_frame->pts = decoded_frame->pkt_pts;
1796 decoded_frame_tb = ist->st->time_base;
1797 } else if (pkt->pts != AV_NOPTS_VALUE) {
1798 decoded_frame->pts = pkt->pts;
1799 decoded_frame_tb = ist->st->time_base;
1801 decoded_frame->pts = ist->dts;
1802 decoded_frame_tb = AV_TIME_BASE_Q;
1804 pkt->pts = AV_NOPTS_VALUE;
1805 if (decoded_frame->pts != AV_NOPTS_VALUE)
1806 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1807 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1808 (AVRational){1, ist->st->codec->sample_rate});
1809 for (i = 0; i < ist->nb_filters; i++) {
1810 if (i < ist->nb_filters - 1) {
1811 f = ist->filter_frame;
1812 err = av_frame_ref(f, decoded_frame);
1817 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1818 AV_BUFFERSRC_FLAG_PUSH);
1819 if (err == AVERROR_EOF)
1820 err = 0; /* ignore */
1824 decoded_frame->pts = AV_NOPTS_VALUE;
1826 av_frame_unref(ist->filter_frame);
1827 av_frame_unref(decoded_frame);
1828 return err < 0 ? err : ret;
1831 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1833 AVFrame *decoded_frame, *f;
1834 int i, ret = 0, err = 0, resample_changed;
1835 int64_t best_effort_timestamp;
1836 AVRational *frame_sample_aspect;
1838 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1839 return AVERROR(ENOMEM);
1840 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1841 return AVERROR(ENOMEM);
1842 decoded_frame = ist->decoded_frame;
1843 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1845 update_benchmark(NULL);
1846 ret = avcodec_decode_video2(ist->st->codec,
1847 decoded_frame, got_output, pkt);
1848 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1850 if (*got_output || ret<0 || pkt->size)
1851 decode_error_stat[ret<0] ++;
1853 if (!*got_output || ret < 0) {
1855 for (i = 0; i < ist->nb_filters; i++)
1857 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1859 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1865 if(ist->top_field_first>=0)
1866 decoded_frame->top_field_first = ist->top_field_first;
1868 ist->frames_decoded++;
1870 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1871 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1875 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1877 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1878 if(best_effort_timestamp != AV_NOPTS_VALUE)
1879 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1882 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1883 "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",
1884 ist->st->index, av_ts2str(decoded_frame->pts),
1885 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1886 best_effort_timestamp,
1887 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1888 decoded_frame->key_frame, decoded_frame->pict_type,
1889 ist->st->time_base.num, ist->st->time_base.den);
1894 if (ist->st->sample_aspect_ratio.num)
1895 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1897 resample_changed = ist->resample_width != decoded_frame->width ||
1898 ist->resample_height != decoded_frame->height ||
1899 ist->resample_pix_fmt != decoded_frame->format;
1900 if (resample_changed) {
1901 av_log(NULL, AV_LOG_INFO,
1902 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1903 ist->file_index, ist->st->index,
1904 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1905 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1907 ist->resample_width = decoded_frame->width;
1908 ist->resample_height = decoded_frame->height;
1909 ist->resample_pix_fmt = decoded_frame->format;
1911 for (i = 0; i < nb_filtergraphs; i++) {
1912 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1913 configure_filtergraph(filtergraphs[i]) < 0) {
1914 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1920 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1921 for (i = 0; i < ist->nb_filters; i++) {
1922 if (!frame_sample_aspect->num)
1923 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1925 if (i < ist->nb_filters - 1) {
1926 f = ist->filter_frame;
1927 err = av_frame_ref(f, decoded_frame);
1932 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1933 if (ret == AVERROR_EOF) {
1934 ret = 0; /* ignore */
1935 } else if (ret < 0) {
1936 av_log(NULL, AV_LOG_FATAL,
1937 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1943 av_frame_unref(ist->filter_frame);
1944 av_frame_unref(decoded_frame);
1945 return err < 0 ? err : ret;
1948 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1950 AVSubtitle subtitle;
1951 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1952 &subtitle, got_output, pkt);
1954 if (*got_output || ret<0 || pkt->size)
1955 decode_error_stat[ret<0] ++;
1957 if (ret < 0 || !*got_output) {
1959 sub2video_flush(ist);
1963 if (ist->fix_sub_duration) {
1965 if (ist->prev_sub.got_output) {
1966 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1967 1000, AV_TIME_BASE);
1968 if (end < ist->prev_sub.subtitle.end_display_time) {
1969 av_log(ist->st->codec, AV_LOG_DEBUG,
1970 "Subtitle duration reduced from %d to %d%s\n",
1971 ist->prev_sub.subtitle.end_display_time, end,
1972 end <= 0 ? ", dropping it" : "");
1973 ist->prev_sub.subtitle.end_display_time = end;
1976 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1977 FFSWAP(int, ret, ist->prev_sub.ret);
1978 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1986 sub2video_update(ist, &subtitle);
1988 if (!subtitle.num_rects)
1991 ist->frames_decoded++;
1993 for (i = 0; i < nb_output_streams; i++) {
1994 OutputStream *ost = output_streams[i];
1996 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
1997 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2000 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2004 avsubtitle_free(&subtitle);
2008 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2009 static int output_packet(InputStream *ist, const AVPacket *pkt)
2015 if (!ist->saw_first_ts) {
2016 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2018 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2019 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2020 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2022 ist->saw_first_ts = 1;
2025 if (ist->next_dts == AV_NOPTS_VALUE)
2026 ist->next_dts = ist->dts;
2027 if (ist->next_pts == AV_NOPTS_VALUE)
2028 ist->next_pts = ist->pts;
2032 av_init_packet(&avpkt);
2040 if (pkt->dts != AV_NOPTS_VALUE) {
2041 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2042 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2043 ist->next_pts = ist->pts = ist->dts;
2046 // while we have more to decode or while the decoder did output something on EOF
2047 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2051 ist->pts = ist->next_pts;
2052 ist->dts = ist->next_dts;
2054 if (avpkt.size && avpkt.size != pkt->size &&
2055 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2056 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2057 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2058 ist->showed_multi_packet_warning = 1;
2061 switch (ist->st->codec->codec_type) {
2062 case AVMEDIA_TYPE_AUDIO:
2063 ret = decode_audio (ist, &avpkt, &got_output);
2065 case AVMEDIA_TYPE_VIDEO:
2066 ret = decode_video (ist, &avpkt, &got_output);
2067 if (avpkt.duration) {
2068 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2069 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2070 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2071 duration = ((int64_t)AV_TIME_BASE *
2072 ist->st->codec->time_base.num * ticks) /
2073 ist->st->codec->time_base.den;
2077 if(ist->dts != AV_NOPTS_VALUE && duration) {
2078 ist->next_dts += duration;
2080 ist->next_dts = AV_NOPTS_VALUE;
2083 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2085 case AVMEDIA_TYPE_SUBTITLE:
2086 ret = transcode_subtitles(ist, &avpkt, &got_output);
2096 avpkt.pts= AV_NOPTS_VALUE;
2098 // touch data and size only if not EOF
2100 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2110 /* handle stream copy */
2111 if (!ist->decoding_needed) {
2112 ist->dts = ist->next_dts;
2113 switch (ist->st->codec->codec_type) {
2114 case AVMEDIA_TYPE_AUDIO:
2115 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2116 ist->st->codec->sample_rate;
2118 case AVMEDIA_TYPE_VIDEO:
2119 if (ist->framerate.num) {
2120 // TODO: Remove work-around for c99-to-c89 issue 7
2121 AVRational time_base_q = AV_TIME_BASE_Q;
2122 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2123 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2124 } else if (pkt->duration) {
2125 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2126 } else if(ist->st->codec->time_base.num != 0) {
2127 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2128 ist->next_dts += ((int64_t)AV_TIME_BASE *
2129 ist->st->codec->time_base.num * ticks) /
2130 ist->st->codec->time_base.den;
2134 ist->pts = ist->dts;
2135 ist->next_pts = ist->next_dts;
2137 for (i = 0; pkt && i < nb_output_streams; i++) {
2138 OutputStream *ost = output_streams[i];
2140 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2143 do_streamcopy(ist, ost, pkt);
2149 static void print_sdp(void)
2153 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2157 for (i = 0; i < nb_output_files; i++)
2158 avc[i] = output_files[i]->ctx;
2160 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2161 printf("SDP:\n%s\n", sdp);
2166 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2169 for (i = 0; hwaccels[i].name; i++)
2170 if (hwaccels[i].pix_fmt == pix_fmt)
2171 return &hwaccels[i];
2175 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2177 InputStream *ist = s->opaque;
2178 const enum AVPixelFormat *p;
2181 for (p = pix_fmts; *p != -1; p++) {
2182 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2183 const HWAccel *hwaccel;
2185 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2188 hwaccel = get_hwaccel(*p);
2190 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2191 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2194 ret = hwaccel->init(s);
2196 if (ist->hwaccel_id == hwaccel->id) {
2197 av_log(NULL, AV_LOG_FATAL,
2198 "%s hwaccel requested for input stream #%d:%d, "
2199 "but cannot be initialized.\n", hwaccel->name,
2200 ist->file_index, ist->st->index);
2205 ist->active_hwaccel_id = hwaccel->id;
2206 ist->hwaccel_pix_fmt = *p;
2213 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2215 InputStream *ist = s->opaque;
2217 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2218 return ist->hwaccel_get_buffer(s, frame, flags);
2220 return avcodec_default_get_buffer2(s, frame, flags);
2223 static int init_input_stream(int ist_index, char *error, int error_len)
2226 InputStream *ist = input_streams[ist_index];
2228 if (ist->decoding_needed) {
2229 AVCodec *codec = ist->dec;
2231 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2232 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2233 return AVERROR(EINVAL);
2236 ist->st->codec->opaque = ist;
2237 ist->st->codec->get_format = get_format;
2238 ist->st->codec->get_buffer2 = get_buffer;
2239 ist->st->codec->thread_safe_callbacks = 1;
2241 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2243 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2244 av_dict_set(&ist->opts, "threads", "auto", 0);
2245 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
2246 if (ret == AVERROR_EXPERIMENTAL)
2247 abort_codec_experimental(codec, 0);
2249 snprintf(error, error_len,
2250 "Error while opening decoder for input stream "
2252 ist->file_index, ist->st->index, av_err2str(ret));
2255 assert_avoptions(ist->opts);
2258 ist->next_pts = AV_NOPTS_VALUE;
2259 ist->next_dts = AV_NOPTS_VALUE;
2264 static InputStream *get_input_stream(OutputStream *ost)
2266 if (ost->source_index >= 0)
2267 return input_streams[ost->source_index];
2271 static int compare_int64(const void *a, const void *b)
2273 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2274 return va < vb ? -1 : va > vb ? +1 : 0;
2277 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2278 AVCodecContext *avctx)
2281 int n = 1, i, size, index = 0;
2284 for (p = kf; *p; p++)
2288 pts = av_malloc_array(size, sizeof(*pts));
2290 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2295 for (i = 0; i < n; i++) {
2296 char *next = strchr(p, ',');
2301 if (!memcmp(p, "chapters", 8)) {
2303 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2306 if (avf->nb_chapters > INT_MAX - size ||
2307 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2309 av_log(NULL, AV_LOG_FATAL,
2310 "Could not allocate forced key frames array.\n");
2313 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2314 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2316 for (j = 0; j < avf->nb_chapters; j++) {
2317 AVChapter *c = avf->chapters[j];
2318 av_assert1(index < size);
2319 pts[index++] = av_rescale_q(c->start, c->time_base,
2320 avctx->time_base) + t;
2325 t = parse_time_or_die("force_key_frames", p, 1);
2326 av_assert1(index < size);
2327 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2334 av_assert0(index == size);
2335 qsort(pts, size, sizeof(*pts), compare_int64);
2336 ost->forced_kf_count = size;
2337 ost->forced_kf_pts = pts;
2340 static void report_new_stream(int input_index, AVPacket *pkt)
2342 InputFile *file = input_files[input_index];
2343 AVStream *st = file->ctx->streams[pkt->stream_index];
2345 if (pkt->stream_index < file->nb_streams_warn)
2347 av_log(file->ctx, AV_LOG_WARNING,
2348 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2349 av_get_media_type_string(st->codec->codec_type),
2350 input_index, pkt->stream_index,
2351 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2352 file->nb_streams_warn = pkt->stream_index + 1;
2355 static int transcode_init(void)
2357 int ret = 0, i, j, k;
2358 AVFormatContext *oc;
2359 AVCodecContext *codec;
2365 for (i = 0; i < nb_filtergraphs; i++) {
2366 FilterGraph *fg = filtergraphs[i];
2367 for (j = 0; j < fg->nb_outputs; j++) {
2368 OutputFilter *ofilter = fg->outputs[j];
2369 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2371 if (fg->nb_inputs != 1)
2373 for (k = nb_input_streams-1; k >= 0 ; k--)
2374 if (fg->inputs[0]->ist == input_streams[k])
2376 ofilter->ost->source_index = k;
2380 /* init framerate emulation */
2381 for (i = 0; i < nb_input_files; i++) {
2382 InputFile *ifile = input_files[i];
2383 if (ifile->rate_emu)
2384 for (j = 0; j < ifile->nb_streams; j++)
2385 input_streams[j + ifile->ist_index]->start = av_gettime();
2388 /* output stream init */
2389 for (i = 0; i < nb_output_files; i++) {
2390 oc = output_files[i]->ctx;
2391 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2392 av_dump_format(oc, i, oc->filename, 1);
2393 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2394 return AVERROR(EINVAL);
2398 /* init complex filtergraphs */
2399 for (i = 0; i < nb_filtergraphs; i++)
2400 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2403 /* for each output stream, we compute the right encoding parameters */
2404 for (i = 0; i < nb_output_streams; i++) {
2405 AVCodecContext *icodec = NULL;
2406 ost = output_streams[i];
2407 oc = output_files[ost->file_index]->ctx;
2408 ist = get_input_stream(ost);
2410 if (ost->attachment_filename)
2413 codec = ost->st->codec;
2416 icodec = ist->st->codec;
2418 ost->st->disposition = ist->st->disposition;
2419 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2420 codec->chroma_sample_location = icodec->chroma_sample_location;
2422 for (j=0; j<oc->nb_streams; j++) {
2423 AVStream *st = oc->streams[j];
2424 if (st != ost->st && st->codec->codec_type == codec->codec_type)
2427 if (j == oc->nb_streams)
2428 if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
2429 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2432 if (ost->stream_copy) {
2434 uint64_t extra_size;
2436 av_assert0(ist && !ost->filter);
2438 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2440 if (extra_size > INT_MAX) {
2441 return AVERROR(EINVAL);
2444 /* if stream_copy is selected, no need to decode or encode */
2445 codec->codec_id = icodec->codec_id;
2446 codec->codec_type = icodec->codec_type;
2448 if (!codec->codec_tag) {
2449 unsigned int codec_tag;
2450 if (!oc->oformat->codec_tag ||
2451 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2452 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2453 codec->codec_tag = icodec->codec_tag;
2456 codec->bit_rate = icodec->bit_rate;
2457 codec->rc_max_rate = icodec->rc_max_rate;
2458 codec->rc_buffer_size = icodec->rc_buffer_size;
2459 codec->field_order = icodec->field_order;
2460 codec->extradata = av_mallocz(extra_size);
2461 if (!codec->extradata) {
2462 return AVERROR(ENOMEM);
2464 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2465 codec->extradata_size= icodec->extradata_size;
2466 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2468 codec->time_base = ist->st->time_base;
2470 * Avi is a special case here because it supports variable fps but
2471 * having the fps and timebase differe significantly adds quite some
2474 if(!strcmp(oc->oformat->name, "avi")) {
2475 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2476 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2477 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2478 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2480 codec->time_base.num = ist->st->r_frame_rate.den;
2481 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2482 codec->ticks_per_frame = 2;
2483 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2484 && av_q2d(ist->st->time_base) < 1.0/500
2486 codec->time_base = icodec->time_base;
2487 codec->time_base.num *= icodec->ticks_per_frame;
2488 codec->time_base.den *= 2;
2489 codec->ticks_per_frame = 2;
2491 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2492 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2493 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2494 && strcmp(oc->oformat->name, "f4v")
2496 if( copy_tb<0 && icodec->time_base.den
2497 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2498 && av_q2d(ist->st->time_base) < 1.0/500
2500 codec->time_base = icodec->time_base;
2501 codec->time_base.num *= icodec->ticks_per_frame;
2504 if ( codec->codec_tag == AV_RL32("tmcd")
2505 && icodec->time_base.num < icodec->time_base.den
2506 && icodec->time_base.num > 0
2507 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2508 codec->time_base = icodec->time_base;
2511 if (ist && !ost->frame_rate.num)
2512 ost->frame_rate = ist->framerate;
2513 if(ost->frame_rate.num)
2514 codec->time_base = av_inv_q(ost->frame_rate);
2516 av_reduce(&codec->time_base.num, &codec->time_base.den,
2517 codec->time_base.num, codec->time_base.den, INT_MAX);
2519 ost->parser = av_parser_init(codec->codec_id);
2521 switch (codec->codec_type) {
2522 case AVMEDIA_TYPE_AUDIO:
2523 if (audio_volume != 256) {
2524 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2527 codec->channel_layout = icodec->channel_layout;
2528 codec->sample_rate = icodec->sample_rate;
2529 codec->channels = icodec->channels;
2530 codec->frame_size = icodec->frame_size;
2531 codec->audio_service_type = icodec->audio_service_type;
2532 codec->block_align = icodec->block_align;
2533 codec->delay = icodec->delay;
2534 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2535 codec->block_align= 0;
2536 if(codec->codec_id == AV_CODEC_ID_AC3)
2537 codec->block_align= 0;
2539 case AVMEDIA_TYPE_VIDEO:
2540 codec->pix_fmt = icodec->pix_fmt;
2541 codec->width = icodec->width;
2542 codec->height = icodec->height;
2543 codec->has_b_frames = icodec->has_b_frames;
2544 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2546 av_mul_q(ost->frame_aspect_ratio,
2547 (AVRational){ codec->height, codec->width });
2548 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2549 "with stream copy may produce invalid files\n");
2551 else if (ist->st->sample_aspect_ratio.num)
2552 sar = ist->st->sample_aspect_ratio;
2554 sar = icodec->sample_aspect_ratio;
2555 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
2556 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2558 case AVMEDIA_TYPE_SUBTITLE:
2559 codec->width = icodec->width;
2560 codec->height = icodec->height;
2562 case AVMEDIA_TYPE_DATA:
2563 case AVMEDIA_TYPE_ATTACHMENT:
2570 ost->enc = avcodec_find_encoder(codec->codec_id);
2572 /* should only happen when a default codec is not present. */
2573 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2574 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2575 ret = AVERROR(EINVAL);
2580 ist->decoding_needed++;
2581 ost->encoding_needed = 1;
2584 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2585 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2587 fg = init_simple_filtergraph(ist, ost);
2588 if (configure_filtergraph(fg)) {
2589 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2594 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2595 if (ost->filter && !ost->frame_rate.num)
2596 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2597 if (ist && !ost->frame_rate.num)
2598 ost->frame_rate = ist->framerate;
2599 if (ist && !ost->frame_rate.num)
2600 ost->frame_rate = ist->st->r_frame_rate;
2601 if (ist && !ost->frame_rate.num) {
2602 ost->frame_rate = (AVRational){25, 1};
2603 av_log(NULL, AV_LOG_WARNING,
2605 "about the input framerate is available. Falling "
2606 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2607 "if you want a different framerate.\n",
2608 ost->file_index, ost->index);
2610 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2611 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2612 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2613 ost->frame_rate = ost->enc->supported_framerates[idx];
2615 if (codec->codec_id == AV_CODEC_ID_MPEG4) {
2616 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2617 ost->frame_rate.num, ost->frame_rate.den, 65535);
2621 switch (codec->codec_type) {
2622 case AVMEDIA_TYPE_AUDIO:
2623 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2624 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2625 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2626 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2627 codec->time_base = (AVRational){ 1, codec->sample_rate };
2629 case AVMEDIA_TYPE_VIDEO:
2630 codec->time_base = av_inv_q(ost->frame_rate);
2631 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2632 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2633 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2634 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2635 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2636 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2638 for (j = 0; j < ost->forced_kf_count; j++)
2639 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2643 codec->width = ost->filter->filter->inputs[0]->w;
2644 codec->height = ost->filter->filter->inputs[0]->h;
2645 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2646 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2647 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2648 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2649 if (!strncmp(ost->enc->name, "libx264", 7) &&
2650 codec->pix_fmt == AV_PIX_FMT_NONE &&
2651 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2652 av_log(NULL, AV_LOG_WARNING,
2653 "No pixel format specified, %s for H.264 encoding chosen.\n"
2654 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2655 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2656 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2657 codec->pix_fmt == AV_PIX_FMT_NONE &&
2658 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2659 av_log(NULL, AV_LOG_WARNING,
2660 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2661 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2662 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2663 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2666 codec->width != icodec->width ||
2667 codec->height != icodec->height ||
2668 codec->pix_fmt != icodec->pix_fmt) {
2669 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2672 if (ost->forced_keyframes) {
2673 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2674 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2675 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2677 av_log(NULL, AV_LOG_ERROR,
2678 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2681 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2682 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2683 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2684 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2686 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2690 case AVMEDIA_TYPE_SUBTITLE:
2691 codec->time_base = (AVRational){1, 1000};
2692 if (!codec->width) {
2693 codec->width = input_streams[ost->source_index]->st->codec->width;
2694 codec->height = input_streams[ost->source_index]->st->codec->height;
2702 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2703 char logfilename[1024];
2706 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2707 ost->logfile_prefix ? ost->logfile_prefix :
2708 DEFAULT_PASS_LOGFILENAME_PREFIX,
2710 if (!strcmp(ost->enc->name, "libx264")) {
2711 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2713 if (codec->flags & CODEC_FLAG_PASS2) {
2715 size_t logbuffer_size;
2716 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2717 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2721 codec->stats_in = logbuffer;
2723 if (codec->flags & CODEC_FLAG_PASS1) {
2724 f = av_fopen_utf8(logfilename, "wb");
2726 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2727 logfilename, strerror(errno));
2737 /* open each encoder */
2738 for (i = 0; i < nb_output_streams; i++) {
2739 ost = output_streams[i];
2740 if (ost->encoding_needed) {
2741 AVCodec *codec = ost->enc;
2742 AVCodecContext *dec = NULL;
2744 if ((ist = get_input_stream(ost)))
2745 dec = ist->st->codec;
2746 if (dec && dec->subtitle_header) {
2747 /* ASS code assumes this buffer is null terminated so add extra byte. */
2748 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2749 if (!ost->st->codec->subtitle_header) {
2750 ret = AVERROR(ENOMEM);
2753 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2754 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2756 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2757 av_dict_set(&ost->opts, "threads", "auto", 0);
2758 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2759 if (ret == AVERROR_EXPERIMENTAL)
2760 abort_codec_experimental(codec, 1);
2761 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2762 ost->file_index, ost->index);
2765 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2766 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2767 av_buffersink_set_frame_size(ost->filter->filter,
2768 ost->st->codec->frame_size);
2769 assert_avoptions(ost->opts);
2770 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2771 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2772 " It takes bits/s as argument, not kbits/s\n");
2774 av_opt_set_dict(ost->st->codec, &ost->opts);
2778 /* init input streams */
2779 for (i = 0; i < nb_input_streams; i++)
2780 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2781 for (i = 0; i < nb_output_streams; i++) {
2782 ost = output_streams[i];
2783 avcodec_close(ost->st->codec);
2788 /* discard unused programs */
2789 for (i = 0; i < nb_input_files; i++) {
2790 InputFile *ifile = input_files[i];
2791 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2792 AVProgram *p = ifile->ctx->programs[j];
2793 int discard = AVDISCARD_ALL;
2795 for (k = 0; k < p->nb_stream_indexes; k++)
2796 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2797 discard = AVDISCARD_DEFAULT;
2800 p->discard = discard;
2804 /* open files and write file headers */
2805 for (i = 0; i < nb_output_files; i++) {
2806 oc = output_files[i]->ctx;
2807 oc->interrupt_callback = int_cb;
2808 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2809 snprintf(error, sizeof(error),
2810 "Could not write header for output file #%d "
2811 "(incorrect codec parameters ?): %s",
2812 i, av_err2str(ret));
2813 ret = AVERROR(EINVAL);
2816 // assert_avoptions(output_files[i]->opts);
2817 if (strcmp(oc->oformat->name, "rtp")) {
2823 /* dump the file output parameters - cannot be done before in case
2825 for (i = 0; i < nb_output_files; i++) {
2826 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2829 /* dump the stream mapping */
2830 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2831 for (i = 0; i < nb_input_streams; i++) {
2832 ist = input_streams[i];
2834 for (j = 0; j < ist->nb_filters; j++) {
2835 if (ist->filters[j]->graph->graph_desc) {
2836 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2837 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2838 ist->filters[j]->name);
2839 if (nb_filtergraphs > 1)
2840 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2841 av_log(NULL, AV_LOG_INFO, "\n");
2846 for (i = 0; i < nb_output_streams; i++) {
2847 ost = output_streams[i];
2849 if (ost->attachment_filename) {
2850 /* an attached file */
2851 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2852 ost->attachment_filename, ost->file_index, ost->index);
2856 if (ost->filter && ost->filter->graph->graph_desc) {
2857 /* output from a complex graph */
2858 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2859 if (nb_filtergraphs > 1)
2860 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2862 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2863 ost->index, ost->enc ? ost->enc->name : "?");
2867 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2868 input_streams[ost->source_index]->file_index,
2869 input_streams[ost->source_index]->st->index,
2872 if (ost->sync_ist != input_streams[ost->source_index])
2873 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2874 ost->sync_ist->file_index,
2875 ost->sync_ist->st->index);
2876 if (ost->stream_copy)
2877 av_log(NULL, AV_LOG_INFO, " (copy)");
2879 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2880 input_streams[ost->source_index]->dec->name : "?",
2881 ost->enc ? ost->enc->name : "?");
2882 av_log(NULL, AV_LOG_INFO, "\n");
2886 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2894 transcode_init_done = 1;
2899 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2900 static int need_output(void)
2904 for (i = 0; i < nb_output_streams; i++) {
2905 OutputStream *ost = output_streams[i];
2906 OutputFile *of = output_files[ost->file_index];
2907 AVFormatContext *os = output_files[ost->file_index]->ctx;
2909 if (ost->finished ||
2910 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2912 if (ost->frame_number >= ost->max_frames) {
2914 for (j = 0; j < of->ctx->nb_streams; j++)
2915 close_output_stream(output_streams[of->ost_index + j]);
2926 * Select the output stream to process.
2928 * @return selected output stream, or NULL if none available
2930 static OutputStream *choose_output(void)
2933 int64_t opts_min = INT64_MAX;
2934 OutputStream *ost_min = NULL;
2936 for (i = 0; i < nb_output_streams; i++) {
2937 OutputStream *ost = output_streams[i];
2938 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2940 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2948 static int check_keyboard_interaction(int64_t cur_time)
2951 static int64_t last_time;
2952 if (received_nb_signals)
2953 return AVERROR_EXIT;
2954 /* read_key() returns 0 on EOF */
2955 if(cur_time - last_time >= 100000 && !run_as_daemon){
2957 last_time = cur_time;
2961 return AVERROR_EXIT;
2962 if (key == '+') av_log_set_level(av_log_get_level()+10);
2963 if (key == '-') av_log_set_level(av_log_get_level()-10);
2964 if (key == 's') qp_hist ^= 1;
2967 do_hex_dump = do_pkt_dump = 0;
2968 } else if(do_pkt_dump){
2972 av_log_set_level(AV_LOG_DEBUG);
2974 if (key == 'c' || key == 'C'){
2975 char buf[4096], target[64], command[256], arg[256] = {0};
2978 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2980 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2985 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2986 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2987 target, time, command, arg);
2988 for (i = 0; i < nb_filtergraphs; i++) {
2989 FilterGraph *fg = filtergraphs[i];
2992 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2993 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2994 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
2995 } else if (key == 'c') {
2996 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
2997 ret = AVERROR_PATCHWELCOME;
2999 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3004 av_log(NULL, AV_LOG_ERROR,
3005 "Parse error, at least 3 arguments were expected, "
3006 "only %d given in string '%s'\n", n, buf);
3009 if (key == 'd' || key == 'D'){
3012 debug = input_streams[0]->st->codec->debug<<1;
3013 if(!debug) debug = 1;
3014 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3017 if(scanf("%d", &debug)!=1)
3018 fprintf(stderr,"error parsing debug value\n");
3019 for(i=0;i<nb_input_streams;i++) {
3020 input_streams[i]->st->codec->debug = debug;
3022 for(i=0;i<nb_output_streams;i++) {
3023 OutputStream *ost = output_streams[i];
3024 ost->st->codec->debug = debug;
3026 if(debug) av_log_set_level(AV_LOG_DEBUG);
3027 fprintf(stderr,"debug=%d\n", debug);
3030 fprintf(stderr, "key function\n"
3031 "? show this help\n"
3032 "+ increase verbosity\n"
3033 "- decrease verbosity\n"
3034 "c Send command to first matching filter supporting it\n"
3035 "C Send/Que command to all matching filters\n"
3036 "D cycle through available debug modes\n"
3037 "h dump packets/hex press to cycle through the 3 states\n"
3039 "s Show QP histogram\n"
3046 static void *input_thread(void *arg)
3051 while (!transcoding_finished && ret >= 0) {
3053 ret = av_read_frame(f->ctx, &pkt);
3055 if (ret == AVERROR(EAGAIN)) {
3062 pthread_mutex_lock(&f->fifo_lock);
3063 while (!av_fifo_space(f->fifo))
3064 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3066 av_dup_packet(&pkt);
3067 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
3068 pthread_cond_signal(&f->fifo_cond);
3070 pthread_mutex_unlock(&f->fifo_lock);
3073 pthread_mutex_lock(&f->fifo_lock);
3075 pthread_cond_signal(&f->fifo_cond);
3076 pthread_mutex_unlock(&f->fifo_lock);
3080 static void free_input_threads(void)
3084 if (nb_input_files == 1)
3087 transcoding_finished = 1;
3089 for (i = 0; i < nb_input_files; i++) {
3090 InputFile *f = input_files[i];
3093 if (!f->fifo || f->joined)
3096 pthread_mutex_lock(&f->fifo_lock);
3097 while (av_fifo_size(f->fifo)) {
3098 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3099 av_free_packet(&pkt);
3101 pthread_cond_signal(&f->fifo_cond);
3102 pthread_mutex_unlock(&f->fifo_lock);
3104 pthread_join(f->thread, NULL);
3107 while (av_fifo_size(f->fifo)) {
3108 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3109 av_free_packet(&pkt);
3111 av_fifo_free(f->fifo);
3115 static int init_input_threads(void)
3119 if (nb_input_files == 1)
3122 for (i = 0; i < nb_input_files; i++) {
3123 InputFile *f = input_files[i];
3125 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3126 return AVERROR(ENOMEM);
3128 if (f->ctx->pb ? !f->ctx->pb->seekable :
3129 strcmp(f->ctx->iformat->name, "lavfi"))
3130 f->non_blocking = 1;
3132 pthread_mutex_init(&f->fifo_lock, NULL);
3133 pthread_cond_init (&f->fifo_cond, NULL);
3135 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3136 return AVERROR(ret);
3141 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3145 pthread_mutex_lock(&f->fifo_lock);
3148 if (av_fifo_size(f->fifo)) {
3149 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3150 pthread_cond_signal(&f->fifo_cond);
3157 if (f->non_blocking) {
3158 ret = AVERROR(EAGAIN);
3161 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3165 pthread_mutex_unlock(&f->fifo_lock);
3171 static int get_input_packet(InputFile *f, AVPacket *pkt)
3175 for (i = 0; i < f->nb_streams; i++) {
3176 InputStream *ist = input_streams[f->ist_index + i];
3177 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3178 int64_t now = av_gettime() - ist->start;
3180 return AVERROR(EAGAIN);
3185 if (nb_input_files > 1)
3186 return get_input_packet_mt(f, pkt);
3188 return av_read_frame(f->ctx, pkt);
3191 static int got_eagain(void)
3194 for (i = 0; i < nb_output_streams; i++)
3195 if (output_streams[i]->unavailable)
3200 static void reset_eagain(void)
3203 for (i = 0; i < nb_input_files; i++)
3204 input_files[i]->eagain = 0;
3205 for (i = 0; i < nb_output_streams; i++)
3206 output_streams[i]->unavailable = 0;
3211 * - 0 -- one packet was read and processed
3212 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3213 * this function should be called again
3214 * - AVERROR_EOF -- this function should not be called again
3216 static int process_input(int file_index)
3218 InputFile *ifile = input_files[file_index];
3219 AVFormatContext *is;
3225 ret = get_input_packet(ifile, &pkt);
3227 if (ret == AVERROR(EAGAIN)) {
3232 if (ret != AVERROR_EOF) {
3233 print_error(is->filename, ret);
3237 ifile->eof_reached = 1;
3239 for (i = 0; i < ifile->nb_streams; i++) {
3240 ist = input_streams[ifile->ist_index + i];
3241 if (ist->decoding_needed)
3242 output_packet(ist, NULL);
3244 /* mark all outputs that don't go through lavfi as finished */
3245 for (j = 0; j < nb_output_streams; j++) {
3246 OutputStream *ost = output_streams[j];
3248 if (ost->source_index == ifile->ist_index + i &&
3249 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3250 close_output_stream(ost);
3254 return AVERROR(EAGAIN);
3260 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3261 is->streams[pkt.stream_index]);
3263 /* the following test is needed in case new streams appear
3264 dynamically in stream : we ignore them */
3265 if (pkt.stream_index >= ifile->nb_streams) {
3266 report_new_stream(file_index, &pkt);
3267 goto discard_packet;
3270 ist = input_streams[ifile->ist_index + pkt.stream_index];
3272 ist->data_size += pkt.size;
3276 goto discard_packet;
3279 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3280 "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",
3281 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3282 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3283 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3284 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3285 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3286 av_ts2str(input_files[ist->file_index]->ts_offset),
3287 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3290 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3291 int64_t stime, stime2;
3292 // Correcting starttime based on the enabled streams
3293 // 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.
3294 // so we instead do it here as part of discontinuity handling
3295 if ( ist->next_dts == AV_NOPTS_VALUE
3296 && ifile->ts_offset == -is->start_time
3297 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3298 int64_t new_start_time = INT64_MAX;
3299 for (i=0; i<is->nb_streams; i++) {
3300 AVStream *st = is->streams[i];
3301 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3303 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3305 if (new_start_time > is->start_time) {
3306 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3307 ifile->ts_offset = -new_start_time;
3311 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3312 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3313 ist->wrap_correction_done = 1;
3315 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3316 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3317 ist->wrap_correction_done = 0;
3319 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3320 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3321 ist->wrap_correction_done = 0;
3325 /* add the stream-global side data to the first packet */
3326 if (ist->nb_packets == 1)
3327 if (ist->st->nb_side_data)
3328 av_packet_split_side_data(&pkt);
3329 for (i = 0; i < ist->st->nb_side_data; i++) {
3330 AVPacketSideData *src_sd = &ist->st->side_data[i];
3333 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3336 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3340 memcpy(dst_data, src_sd->data, src_sd->size);
3343 if (pkt.dts != AV_NOPTS_VALUE)
3344 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3345 if (pkt.pts != AV_NOPTS_VALUE)
3346 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3348 if (pkt.pts != AV_NOPTS_VALUE)
3349 pkt.pts *= ist->ts_scale;
3350 if (pkt.dts != AV_NOPTS_VALUE)
3351 pkt.dts *= ist->ts_scale;
3353 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3354 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3355 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3356 int64_t delta = pkt_dts - ifile->last_ts;
3357 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3358 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3359 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3360 ifile->ts_offset -= delta;
3361 av_log(NULL, AV_LOG_DEBUG,
3362 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3363 delta, ifile->ts_offset);
3364 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3365 if (pkt.pts != AV_NOPTS_VALUE)
3366 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3370 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3372 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3373 int64_t delta = pkt_dts - ist->next_dts;
3374 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3375 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3376 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3377 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3378 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3379 ifile->ts_offset -= delta;
3380 av_log(NULL, AV_LOG_DEBUG,
3381 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3382 delta, ifile->ts_offset);
3383 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3384 if (pkt.pts != AV_NOPTS_VALUE)
3385 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3388 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3389 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3390 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3391 pkt.dts = AV_NOPTS_VALUE;
3393 if (pkt.pts != AV_NOPTS_VALUE){
3394 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3395 delta = pkt_pts - ist->next_dts;
3396 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3397 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3398 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3399 pkt.pts = AV_NOPTS_VALUE;
3405 if (pkt.dts != AV_NOPTS_VALUE)
3406 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3409 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",
3410 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3411 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3412 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3413 av_ts2str(input_files[ist->file_index]->ts_offset),
3414 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3417 sub2video_heartbeat(ist, pkt.pts);
3419 ret = output_packet(ist, &pkt);
3421 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3422 ist->file_index, ist->st->index, av_err2str(ret));
3428 av_free_packet(&pkt);
3434 * Perform a step of transcoding for the specified filter graph.
3436 * @param[in] graph filter graph to consider
3437 * @param[out] best_ist input stream where a frame would allow to continue
3438 * @return 0 for success, <0 for error
3440 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3443 int nb_requests, nb_requests_max = 0;
3444 InputFilter *ifilter;
3448 ret = avfilter_graph_request_oldest(graph->graph);
3450 return reap_filters();
3452 if (ret == AVERROR_EOF) {
3453 ret = reap_filters();
3454 for (i = 0; i < graph->nb_outputs; i++)
3455 close_output_stream(graph->outputs[i]->ost);
3458 if (ret != AVERROR(EAGAIN))
3461 for (i = 0; i < graph->nb_inputs; i++) {
3462 ifilter = graph->inputs[i];
3464 if (input_files[ist->file_index]->eagain ||
3465 input_files[ist->file_index]->eof_reached)
3467 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3468 if (nb_requests > nb_requests_max) {
3469 nb_requests_max = nb_requests;
3475 for (i = 0; i < graph->nb_outputs; i++)
3476 graph->outputs[i]->ost->unavailable = 1;
3482 * Run a single step of transcoding.
3484 * @return 0 for success, <0 for error
3486 static int transcode_step(void)
3492 ost = choose_output();
3499 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3504 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3509 av_assert0(ost->source_index >= 0);
3510 ist = input_streams[ost->source_index];
3513 ret = process_input(ist->file_index);
3514 if (ret == AVERROR(EAGAIN)) {
3515 if (input_files[ist->file_index]->eagain)
3516 ost->unavailable = 1;
3520 return ret == AVERROR_EOF ? 0 : ret;
3522 return reap_filters();
3526 * The following code is the main loop of the file converter
3528 static int transcode(void)
3531 AVFormatContext *os;
3534 int64_t timer_start;
3536 ret = transcode_init();
3540 if (stdin_interaction) {
3541 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3544 timer_start = av_gettime();
3547 if ((ret = init_input_threads()) < 0)
3551 while (!received_sigterm) {
3552 int64_t cur_time= av_gettime();
3554 /* if 'q' pressed, exits */
3555 if (stdin_interaction)
3556 if (check_keyboard_interaction(cur_time) < 0)
3559 /* check if there's any stream where output is still needed */
3560 if (!need_output()) {
3561 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3565 ret = transcode_step();
3567 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3570 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3574 /* dump report by using the output first video and audio streams */
3575 print_report(0, timer_start, cur_time);
3578 free_input_threads();
3581 /* at the end of stream, we must flush the decoder buffers */
3582 for (i = 0; i < nb_input_streams; i++) {
3583 ist = input_streams[i];
3584 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3585 output_packet(ist, NULL);
3592 /* write the trailer if needed and close file */
3593 for (i = 0; i < nb_output_files; i++) {
3594 os = output_files[i]->ctx;
3595 av_write_trailer(os);
3598 /* dump report by using the first video and audio streams */
3599 print_report(1, timer_start, av_gettime());
3601 /* close each encoder */
3602 for (i = 0; i < nb_output_streams; i++) {
3603 ost = output_streams[i];
3604 if (ost->encoding_needed) {
3605 av_freep(&ost->st->codec->stats_in);
3606 avcodec_close(ost->st->codec);
3610 /* close each decoder */
3611 for (i = 0; i < nb_input_streams; i++) {
3612 ist = input_streams[i];
3613 if (ist->decoding_needed) {
3614 avcodec_close(ist->st->codec);
3615 if (ist->hwaccel_uninit)
3616 ist->hwaccel_uninit(ist->st->codec);
3625 free_input_threads();
3628 if (output_streams) {
3629 for (i = 0; i < nb_output_streams; i++) {
3630 ost = output_streams[i];
3632 if (ost->stream_copy)
3633 av_freep(&ost->st->codec->extradata);
3635 fclose(ost->logfile);
3636 ost->logfile = NULL;
3638 av_freep(&ost->st->codec->subtitle_header);
3639 av_freep(&ost->forced_kf_pts);
3640 av_freep(&ost->apad);
3641 av_dict_free(&ost->opts);
3642 av_dict_free(&ost->swr_opts);
3643 av_dict_free(&ost->resample_opts);
3651 static int64_t getutime(void)
3654 struct rusage rusage;
3656 getrusage(RUSAGE_SELF, &rusage);
3657 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3658 #elif HAVE_GETPROCESSTIMES
3660 FILETIME c, e, k, u;
3661 proc = GetCurrentProcess();
3662 GetProcessTimes(proc, &c, &e, &k, &u);
3663 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3665 return av_gettime();
3669 static int64_t getmaxrss(void)
3671 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3672 struct rusage rusage;
3673 getrusage(RUSAGE_SELF, &rusage);
3674 return (int64_t)rusage.ru_maxrss * 1024;
3675 #elif HAVE_GETPROCESSMEMORYINFO
3677 PROCESS_MEMORY_COUNTERS memcounters;
3678 proc = GetCurrentProcess();
3679 memcounters.cb = sizeof(memcounters);
3680 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3681 return memcounters.PeakPagefileUsage;
3687 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3691 int main(int argc, char **argv)
3696 register_exit(ffmpeg_cleanup);
3698 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3700 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3701 parse_loglevel(argc, argv, options);
3703 if(argc>1 && !strcmp(argv[1], "-d")){
3705 av_log_set_callback(log_callback_null);
3710 avcodec_register_all();
3712 avdevice_register_all();
3714 avfilter_register_all();
3716 avformat_network_init();
3718 show_banner(argc, argv, options);
3722 /* parse options and open all input/output files */
3723 ret = ffmpeg_parse_options(argc, argv);
3727 if (nb_output_files <= 0 && nb_input_files == 0) {
3729 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3733 /* file converter / grab */
3734 if (nb_output_files <= 0) {
3735 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3739 // if (nb_input_files == 0) {
3740 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3744 current_time = ti = getutime();
3745 if (transcode() < 0)
3747 ti = getutime() - ti;
3749 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3751 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3752 decode_error_stat[0], decode_error_stat[1]);
3753 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3756 exit_program(received_nb_signals ? 255 : main_return_code);
3757 return main_return_code;