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 int main_return_code = 0;
322 sigterm_handler(int sig)
324 received_sigterm = sig;
325 received_nb_signals++;
327 if(received_nb_signals > 3)
338 istty = isatty(0) && isatty(2);
340 if (istty && tcgetattr (0, &tty) == 0) {
344 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
345 |INLCR|IGNCR|ICRNL|IXON);
346 tty.c_oflag |= OPOST;
347 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
348 tty.c_cflag &= ~(CSIZE|PARENB);
353 tcsetattr (0, TCSANOW, &tty);
355 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
358 avformat_network_deinit();
360 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
361 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
363 signal(SIGXCPU, sigterm_handler);
367 /* read a key without blocking */
368 static int read_key(void)
380 n = select(1, &rfds, NULL, NULL, &tv);
389 # if HAVE_PEEKNAMEDPIPE
391 static HANDLE input_handle;
394 input_handle = GetStdHandle(STD_INPUT_HANDLE);
395 is_pipe = !GetConsoleMode(input_handle, &dw);
398 if (stdin->_cnt > 0) {
403 /* When running under a GUI, you will end here. */
404 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
405 // input pipe may have been closed by the program that ran ffmpeg
423 static int decode_interrupt_cb(void *ctx)
425 return received_nb_signals > 1;
428 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
430 static void ffmpeg_cleanup(int ret)
435 int maxrss = getmaxrss() / 1024;
436 printf("bench: maxrss=%ikB\n", maxrss);
439 for (i = 0; i < nb_filtergraphs; i++) {
440 avfilter_graph_free(&filtergraphs[i]->graph);
441 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
442 av_freep(&filtergraphs[i]->inputs[j]->name);
443 av_freep(&filtergraphs[i]->inputs[j]);
445 av_freep(&filtergraphs[i]->inputs);
446 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
447 av_freep(&filtergraphs[i]->outputs[j]->name);
448 av_freep(&filtergraphs[i]->outputs[j]);
450 av_freep(&filtergraphs[i]->outputs);
451 av_freep(&filtergraphs[i]->graph_desc);
452 av_freep(&filtergraphs[i]);
454 av_freep(&filtergraphs);
456 av_freep(&subtitle_out);
459 for (i = 0; i < nb_output_files; i++) {
460 AVFormatContext *s = output_files[i]->ctx;
461 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
463 avformat_free_context(s);
464 av_dict_free(&output_files[i]->opts);
465 av_freep(&output_files[i]);
467 for (i = 0; i < nb_output_streams; i++) {
468 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
470 AVBitStreamFilterContext *next = bsfc->next;
471 av_bitstream_filter_close(bsfc);
474 output_streams[i]->bitstream_filters = NULL;
475 av_frame_free(&output_streams[i]->filtered_frame);
477 av_parser_close(output_streams[i]->parser);
479 av_freep(&output_streams[i]->forced_keyframes);
480 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
481 av_freep(&output_streams[i]->avfilter);
482 av_freep(&output_streams[i]->logfile_prefix);
483 av_freep(&output_streams[i]);
486 free_input_threads();
488 for (i = 0; i < nb_input_files; i++) {
489 avformat_close_input(&input_files[i]->ctx);
490 av_freep(&input_files[i]);
492 for (i = 0; i < nb_input_streams; i++) {
493 av_frame_free(&input_streams[i]->decoded_frame);
494 av_frame_free(&input_streams[i]->filter_frame);
495 av_dict_free(&input_streams[i]->opts);
496 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
497 av_frame_free(&input_streams[i]->sub2video.frame);
498 av_freep(&input_streams[i]->filters);
499 av_freep(&input_streams[i]->hwaccel_device);
500 av_freep(&input_streams[i]);
505 av_free(vstats_filename);
507 av_freep(&input_streams);
508 av_freep(&input_files);
509 av_freep(&output_streams);
510 av_freep(&output_files);
514 avformat_network_deinit();
516 if (received_sigterm) {
517 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
518 (int) received_sigterm);
523 void assert_avoptions(AVDictionary *m)
525 AVDictionaryEntry *t;
526 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
527 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
532 static void abort_codec_experimental(AVCodec *c, int encoder)
537 static void update_benchmark(const char *fmt, ...)
539 if (do_benchmark_all) {
540 int64_t t = getutime();
546 vsnprintf(buf, sizeof(buf), fmt, va);
548 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
554 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
557 for (i = 0; i < nb_output_streams; i++) {
558 OutputStream *ost2 = output_streams[i];
559 ost2->finished |= ost == ost2 ? this_stream : others;
563 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
565 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
566 AVCodecContext *avctx = ost->st->codec;
569 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
570 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
571 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
574 * Audio encoders may split the packets -- #frames in != #packets out.
575 * But there is no reordering, so we can limit the number of output packets
576 * by simply dropping them here.
577 * Counting encoded video frames needs to be done separately because of
578 * reordering, see do_video_out()
580 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
581 if (ost->frame_number >= ost->max_frames) {
589 AVPacket new_pkt = *pkt;
590 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
591 &new_pkt.data, &new_pkt.size,
592 pkt->data, pkt->size,
593 pkt->flags & AV_PKT_FLAG_KEY);
594 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
595 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
597 memcpy(t, new_pkt.data, new_pkt.size);
598 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
607 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
608 av_buffer_default_free, NULL, 0);
612 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
613 bsfc->filter->name, pkt->stream_index,
614 avctx->codec ? avctx->codec->name : "copy");
624 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
625 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
626 pkt->dts != AV_NOPTS_VALUE &&
627 ost->last_mux_dts != AV_NOPTS_VALUE) {
628 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
629 if (pkt->dts < max) {
630 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
631 av_log(s, loglevel, "Non-monotonous DTS in output stream "
632 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
633 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
635 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
638 av_log(s, loglevel, "changing to %"PRId64". This may result "
639 "in incorrect timestamps in the output file.\n",
641 if(pkt->pts >= pkt->dts)
642 pkt->pts = FFMAX(pkt->pts, max);
646 ost->last_mux_dts = pkt->dts;
648 ost->data_size += pkt->size;
649 ost->packets_written++;
651 pkt->stream_index = ost->index;
654 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
655 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
656 av_get_media_type_string(ost->st->codec->codec_type),
657 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
658 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
663 ret = av_interleaved_write_frame(s, pkt);
665 print_error("av_interleaved_write_frame()", ret);
666 main_return_code = 1;
667 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
672 static void close_output_stream(OutputStream *ost)
674 OutputFile *of = output_files[ost->file_index];
676 ost->finished |= ENCODER_FINISHED;
678 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
679 of->recording_time = FFMIN(of->recording_time, end);
683 static int check_recording_time(OutputStream *ost)
685 OutputFile *of = output_files[ost->file_index];
687 if (of->recording_time != INT64_MAX &&
688 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
689 AV_TIME_BASE_Q) >= 0) {
690 close_output_stream(ost);
696 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
699 AVCodecContext *enc = ost->st->codec;
703 av_init_packet(&pkt);
707 if (!check_recording_time(ost))
710 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
711 frame->pts = ost->sync_opts;
712 ost->sync_opts = frame->pts + frame->nb_samples;
713 ost->samples_encoded += frame->nb_samples;
714 ost->frames_encoded++;
716 av_assert0(pkt.size || !pkt.data);
717 update_benchmark(NULL);
719 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
720 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
721 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
722 enc->time_base.num, enc->time_base.den);
725 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
726 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
729 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
732 if (pkt.pts != AV_NOPTS_VALUE)
733 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
734 if (pkt.dts != AV_NOPTS_VALUE)
735 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
736 if (pkt.duration > 0)
737 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
740 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
741 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
742 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
743 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
746 write_frame(s, &pkt, ost);
750 static void do_subtitle_out(AVFormatContext *s,
755 int subtitle_out_max_size = 1024 * 1024;
756 int subtitle_out_size, nb, i;
761 if (sub->pts == AV_NOPTS_VALUE) {
762 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
768 enc = ost->st->codec;
771 subtitle_out = av_malloc(subtitle_out_max_size);
774 /* Note: DVB subtitle need one packet to draw them and one other
775 packet to clear them */
776 /* XXX: signal it in the codec context ? */
777 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
782 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
784 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
785 pts -= output_files[ost->file_index]->start_time;
786 for (i = 0; i < nb; i++) {
787 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
788 if (!check_recording_time(ost))
792 // start_display_time is required to be 0
793 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
794 sub->end_display_time -= sub->start_display_time;
795 sub->start_display_time = 0;
799 ost->frames_encoded++;
801 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
802 subtitle_out_max_size, sub);
803 if (subtitle_out_size < 0) {
804 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
808 av_init_packet(&pkt);
809 pkt.data = subtitle_out;
810 pkt.size = subtitle_out_size;
811 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
812 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
813 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
814 /* XXX: the pts correction is handled here. Maybe handling
815 it in the codec would be better */
817 pkt.pts += 90 * sub->start_display_time;
819 pkt.pts += 90 * sub->end_display_time;
821 write_frame(s, &pkt, ost);
825 static void do_video_out(AVFormatContext *s,
829 int ret, format_video_sync;
831 AVCodecContext *enc = ost->st->codec;
833 double sync_ipts, delta;
836 InputStream *ist = NULL;
838 if (ost->source_index >= 0)
839 ist = input_streams[ost->source_index];
841 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
842 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
844 sync_ipts = in_picture->pts;
845 delta = sync_ipts - ost->sync_opts + duration;
847 /* by default, we output a single frame */
850 format_video_sync = video_sync_method;
851 if (format_video_sync == VSYNC_AUTO) {
852 if(!strcmp(s->oformat->name, "avi")) {
853 format_video_sync = VSYNC_VFR;
855 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
857 && format_video_sync == VSYNC_CFR
858 && input_files[ist->file_index]->ctx->nb_streams == 1
859 && input_files[ist->file_index]->input_ts_offset == 0) {
860 format_video_sync = VSYNC_VSCFR;
862 if (format_video_sync == VSYNC_CFR && copy_ts) {
863 format_video_sync = VSYNC_VSCFR;
867 switch (format_video_sync) {
869 if (ost->frame_number == 0 && delta - duration >= 0.5) {
870 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
872 ost->sync_opts = lrint(sync_ipts);
875 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
878 else if (delta > 1.1)
879 nb_frames = lrintf(delta);
884 else if (delta > 0.6)
885 ost->sync_opts = lrint(sync_ipts);
888 case VSYNC_PASSTHROUGH:
889 ost->sync_opts = lrint(sync_ipts);
895 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
896 if (nb_frames == 0) {
898 av_log(NULL, AV_LOG_VERBOSE,
899 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
900 ost->frame_number, ost->st->index, in_picture->pts);
902 } else if (nb_frames > 1) {
903 if (nb_frames > dts_error_threshold * 30) {
904 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
908 nb_frames_dup += nb_frames - 1;
909 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
912 /* duplicates frame if needed */
913 for (i = 0; i < nb_frames; i++) {
914 av_init_packet(&pkt);
918 in_picture->pts = ost->sync_opts;
921 if (!check_recording_time(ost))
923 if (ost->frame_number >= ost->max_frames)
927 if (s->oformat->flags & AVFMT_RAWPICTURE &&
928 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
929 /* raw pictures are written as AVPicture structure to
930 avoid any copies. We support temporarily the older
932 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
933 enc->coded_frame->top_field_first = in_picture->top_field_first;
934 if (enc->coded_frame->interlaced_frame)
935 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
937 enc->field_order = AV_FIELD_PROGRESSIVE;
938 pkt.data = (uint8_t *)in_picture;
939 pkt.size = sizeof(AVPicture);
940 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
941 pkt.flags |= AV_PKT_FLAG_KEY;
943 write_frame(s, &pkt, ost);
945 int got_packet, forced_keyframe = 0;
948 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
949 ost->top_field_first >= 0)
950 in_picture->top_field_first = !!ost->top_field_first;
952 if (in_picture->interlaced_frame) {
953 if (enc->codec->id == AV_CODEC_ID_MJPEG)
954 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
956 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
958 enc->field_order = AV_FIELD_PROGRESSIVE;
960 in_picture->quality = ost->st->codec->global_quality;
961 if (!enc->me_threshold)
962 in_picture->pict_type = 0;
964 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
965 in_picture->pts * av_q2d(enc->time_base) : NAN;
966 if (ost->forced_kf_index < ost->forced_kf_count &&
967 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
968 ost->forced_kf_index++;
970 } else if (ost->forced_keyframes_pexpr) {
972 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
973 res = av_expr_eval(ost->forced_keyframes_pexpr,
974 ost->forced_keyframes_expr_const_values, NULL);
975 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
976 ost->forced_keyframes_expr_const_values[FKF_N],
977 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
978 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
979 ost->forced_keyframes_expr_const_values[FKF_T],
980 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
984 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
985 ost->forced_keyframes_expr_const_values[FKF_N];
986 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
987 ost->forced_keyframes_expr_const_values[FKF_T];
988 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
991 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
994 if (forced_keyframe) {
995 in_picture->pict_type = AV_PICTURE_TYPE_I;
996 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
999 update_benchmark(NULL);
1001 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1002 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1003 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1004 enc->time_base.num, enc->time_base.den);
1007 ost->frames_encoded++;
1009 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1010 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1012 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1018 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1019 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1020 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1021 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1024 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1025 pkt.pts = ost->sync_opts;
1027 if (pkt.pts != AV_NOPTS_VALUE)
1028 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1029 if (pkt.dts != AV_NOPTS_VALUE)
1030 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1033 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1034 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1035 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1036 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1039 frame_size = pkt.size;
1040 write_frame(s, &pkt, ost);
1042 /* if two pass, output log */
1043 if (ost->logfile && enc->stats_out) {
1044 fprintf(ost->logfile, "%s", enc->stats_out);
1050 * For video, number of frames in == number of packets out.
1051 * But there may be reordering, so we can't throw away frames on encoder
1052 * flush, we need to limit them here, before they go into encoder.
1054 ost->frame_number++;
1056 if (vstats_filename && frame_size)
1057 do_video_stats(ost, frame_size);
1061 static double psnr(double d)
1063 return -10.0 * log(d) / log(10.0);
1066 static void do_video_stats(OutputStream *ost, int frame_size)
1068 AVCodecContext *enc;
1070 double ti1, bitrate, avg_bitrate;
1072 /* this is executed just the first time do_video_stats is called */
1074 vstats_file = fopen(vstats_filename, "w");
1081 enc = ost->st->codec;
1082 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1083 frame_number = ost->st->nb_frames;
1084 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1085 if (enc->flags&CODEC_FLAG_PSNR)
1086 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1088 fprintf(vstats_file,"f_size= %6d ", frame_size);
1089 /* compute pts value */
1090 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1094 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1095 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1096 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1097 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1098 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1103 * Get and encode new output from any of the filtergraphs, without causing
1106 * @return 0 for success, <0 for severe errors
1108 static int reap_filters(void)
1110 AVFrame *filtered_frame = NULL;
1114 /* Reap all buffers present in the buffer sinks */
1115 for (i = 0; i < nb_output_streams; i++) {
1116 OutputStream *ost = output_streams[i];
1117 OutputFile *of = output_files[ost->file_index];
1118 AVFilterContext *filter;
1119 AVCodecContext *enc = ost->st->codec;
1124 filter = ost->filter->filter;
1126 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1127 return AVERROR(ENOMEM);
1129 filtered_frame = ost->filtered_frame;
1132 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1133 AV_BUFFERSINK_FLAG_NO_REQUEST);
1135 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1136 av_log(NULL, AV_LOG_WARNING,
1137 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1141 if (ost->finished) {
1142 av_frame_unref(filtered_frame);
1145 frame_pts = AV_NOPTS_VALUE;
1146 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1147 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1148 filtered_frame->pts = frame_pts =
1149 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1150 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1152 //if (ost->source_index >= 0)
1153 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1155 switch (filter->inputs[0]->type) {
1156 case AVMEDIA_TYPE_VIDEO:
1157 filtered_frame->pts = frame_pts;
1158 if (!ost->frame_aspect_ratio.num)
1159 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1162 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1163 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1164 enc->time_base.num, enc->time_base.den);
1167 do_video_out(of->ctx, ost, filtered_frame);
1169 case AVMEDIA_TYPE_AUDIO:
1170 filtered_frame->pts = frame_pts;
1171 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1172 enc->channels != av_frame_get_channels(filtered_frame)) {
1173 av_log(NULL, AV_LOG_ERROR,
1174 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1177 do_audio_out(of->ctx, ost, filtered_frame);
1180 // TODO support subtitle filters
1184 av_frame_unref(filtered_frame);
1191 static void print_final_stats(int64_t total_size)
1193 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1194 uint64_t subtitle_size = 0;
1195 uint64_t data_size = 0;
1196 float percent = -1.0;
1199 for (i = 0; i < nb_output_streams; i++) {
1200 OutputStream *ost = output_streams[i];
1201 switch (ost->st->codec->codec_type) {
1202 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1203 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1204 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1205 default: other_size += ost->data_size; break;
1207 extra_size += ost->st->codec->extradata_size;
1208 data_size += ost->data_size;
1211 if (data_size && total_size >= data_size)
1212 percent = 100.0 * (total_size - data_size) / data_size;
1214 av_log(NULL, AV_LOG_INFO, "\n");
1215 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: ",
1216 video_size / 1024.0,
1217 audio_size / 1024.0,
1218 subtitle_size / 1024.0,
1219 other_size / 1024.0,
1220 extra_size / 1024.0);
1222 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1224 av_log(NULL, AV_LOG_INFO, "unknown");
1225 av_log(NULL, AV_LOG_INFO, "\n");
1227 /* print verbose per-stream stats */
1228 for (i = 0; i < nb_input_files; i++) {
1229 InputFile *f = input_files[i];
1230 uint64_t total_packets = 0, total_size = 0;
1232 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1233 i, f->ctx->filename);
1235 for (j = 0; j < f->nb_streams; j++) {
1236 InputStream *ist = input_streams[f->ist_index + j];
1237 enum AVMediaType type = ist->st->codec->codec_type;
1239 total_size += ist->data_size;
1240 total_packets += ist->nb_packets;
1242 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1243 i, j, media_type_string(type));
1244 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1245 ist->nb_packets, ist->data_size);
1247 if (ist->decoding_needed) {
1248 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1249 ist->frames_decoded);
1250 if (type == AVMEDIA_TYPE_AUDIO)
1251 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1252 av_log(NULL, AV_LOG_VERBOSE, "; ");
1255 av_log(NULL, AV_LOG_VERBOSE, "\n");
1258 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1259 total_packets, total_size);
1262 for (i = 0; i < nb_output_files; i++) {
1263 OutputFile *of = output_files[i];
1264 uint64_t total_packets = 0, total_size = 0;
1266 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1267 i, of->ctx->filename);
1269 for (j = 0; j < of->ctx->nb_streams; j++) {
1270 OutputStream *ost = output_streams[of->ost_index + j];
1271 enum AVMediaType type = ost->st->codec->codec_type;
1273 total_size += ost->data_size;
1274 total_packets += ost->packets_written;
1276 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1277 i, j, media_type_string(type));
1278 if (ost->encoding_needed) {
1279 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1280 ost->frames_encoded);
1281 if (type == AVMEDIA_TYPE_AUDIO)
1282 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1283 av_log(NULL, AV_LOG_VERBOSE, "; ");
1286 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1287 ost->packets_written, ost->data_size);
1289 av_log(NULL, AV_LOG_VERBOSE, "\n");
1292 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1293 total_packets, total_size);
1295 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1296 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1300 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1303 AVBPrint buf_script;
1305 AVFormatContext *oc;
1307 AVCodecContext *enc;
1308 int frame_number, vid, i;
1310 int64_t pts = INT64_MIN;
1311 static int64_t last_time = -1;
1312 static int qp_histogram[52];
1313 int hours, mins, secs, us;
1315 if (!print_stats && !is_last_report && !progress_avio)
1318 if (!is_last_report) {
1319 if (last_time == -1) {
1320 last_time = cur_time;
1323 if ((cur_time - last_time) < 500000)
1325 last_time = cur_time;
1329 oc = output_files[0]->ctx;
1331 total_size = avio_size(oc->pb);
1332 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1333 total_size = avio_tell(oc->pb);
1337 av_bprint_init(&buf_script, 0, 1);
1338 for (i = 0; i < nb_output_streams; i++) {
1340 ost = output_streams[i];
1341 enc = ost->st->codec;
1342 if (!ost->stream_copy && enc->coded_frame)
1343 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1344 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1345 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1346 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1347 ost->file_index, ost->index, q);
1349 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1350 float fps, t = (cur_time-timer_start) / 1000000.0;
1352 frame_number = ost->frame_number;
1353 fps = t > 1 ? frame_number / t : 0;
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1355 frame_number, fps < 9.95, fps, q);
1356 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1357 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1358 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1359 ost->file_index, ost->index, q);
1361 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1365 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1367 for (j = 0; j < 32; j++)
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1370 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1372 double error, error_sum = 0;
1373 double scale, scale_sum = 0;
1375 char type[3] = { 'Y','U','V' };
1376 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1377 for (j = 0; j < 3; j++) {
1378 if (is_last_report) {
1379 error = enc->error[j];
1380 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1382 error = enc->coded_frame->error[j];
1383 scale = enc->width * enc->height * 255.0 * 255.0;
1389 p = psnr(error / scale);
1390 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1391 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1392 ost->file_index, ost->index, type[j] | 32, p);
1394 p = psnr(error_sum / scale_sum);
1395 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1396 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1397 ost->file_index, ost->index, p);
1401 /* compute min output value */
1402 if (ost->st->pts.val != AV_NOPTS_VALUE)
1403 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1404 ost->st->time_base, AV_TIME_BASE_Q));
1407 secs = pts / AV_TIME_BASE;
1408 us = pts % AV_TIME_BASE;
1414 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1416 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1418 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1419 "size=%8.0fkB time=", total_size / 1024.0);
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1421 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1422 (100 * us) / AV_TIME_BASE);
1423 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1425 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1426 "bitrate=%6.1fkbits/s", bitrate);
1427 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1428 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1429 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1430 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1431 hours, mins, secs, us);
1433 if (nb_frames_dup || nb_frames_drop)
1434 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1435 nb_frames_dup, nb_frames_drop);
1436 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1437 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1439 if (print_stats || is_last_report) {
1440 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1441 fprintf(stderr, "%s \r", buf);
1443 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1448 if (progress_avio) {
1449 av_bprintf(&buf_script, "progress=%s\n",
1450 is_last_report ? "end" : "continue");
1451 avio_write(progress_avio, buf_script.str,
1452 FFMIN(buf_script.len, buf_script.size - 1));
1453 avio_flush(progress_avio);
1454 av_bprint_finalize(&buf_script, NULL);
1455 if (is_last_report) {
1456 avio_close(progress_avio);
1457 progress_avio = NULL;
1462 print_final_stats(total_size);
1465 static void flush_encoders(void)
1469 for (i = 0; i < nb_output_streams; i++) {
1470 OutputStream *ost = output_streams[i];
1471 AVCodecContext *enc = ost->st->codec;
1472 AVFormatContext *os = output_files[ost->file_index]->ctx;
1473 int stop_encoding = 0;
1475 if (!ost->encoding_needed)
1478 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1480 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1484 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1487 switch (ost->st->codec->codec_type) {
1488 case AVMEDIA_TYPE_AUDIO:
1489 encode = avcodec_encode_audio2;
1492 case AVMEDIA_TYPE_VIDEO:
1493 encode = avcodec_encode_video2;
1504 av_init_packet(&pkt);
1508 update_benchmark(NULL);
1509 ret = encode(enc, &pkt, NULL, &got_packet);
1510 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1512 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1515 if (ost->logfile && enc->stats_out) {
1516 fprintf(ost->logfile, "%s", enc->stats_out);
1522 if (ost->finished & MUXER_FINISHED) {
1523 av_free_packet(&pkt);
1526 if (pkt.pts != AV_NOPTS_VALUE)
1527 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1528 if (pkt.dts != AV_NOPTS_VALUE)
1529 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1530 if (pkt.duration > 0)
1531 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1532 pkt_size = pkt.size;
1533 write_frame(os, &pkt, ost);
1534 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1535 do_video_stats(ost, pkt_size);
1546 * Check whether a packet from ist should be written into ost at this time
1548 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1550 OutputFile *of = output_files[ost->file_index];
1551 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1553 if (ost->source_index != ist_index)
1559 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1565 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1567 OutputFile *of = output_files[ost->file_index];
1568 InputFile *f = input_files [ist->file_index];
1569 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1570 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1571 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1575 av_init_packet(&opkt);
1577 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1578 !ost->copy_initial_nonkeyframes)
1581 if (pkt->pts == AV_NOPTS_VALUE) {
1582 if (!ost->frame_number && ist->pts < start_time &&
1583 !ost->copy_prior_start)
1586 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1587 !ost->copy_prior_start)
1591 if (of->recording_time != INT64_MAX &&
1592 ist->pts >= of->recording_time + start_time) {
1593 close_output_stream(ost);
1597 if (f->recording_time != INT64_MAX) {
1598 start_time = f->ctx->start_time;
1599 if (f->start_time != AV_NOPTS_VALUE)
1600 start_time += f->start_time;
1601 if (ist->pts >= f->recording_time + start_time) {
1602 close_output_stream(ost);
1607 /* force the input stream PTS */
1608 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1611 if (pkt->pts != AV_NOPTS_VALUE)
1612 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1614 opkt.pts = AV_NOPTS_VALUE;
1616 if (pkt->dts == AV_NOPTS_VALUE)
1617 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1619 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1620 opkt.dts -= ost_tb_start_time;
1622 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1623 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1625 duration = ist->st->codec->frame_size;
1626 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1627 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1628 ost->st->time_base) - ost_tb_start_time;
1631 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1632 opkt.flags = pkt->flags;
1634 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1635 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1636 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1637 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1638 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1640 if (av_parser_change(ost->parser, ost->st->codec,
1641 &opkt.data, &opkt.size,
1642 pkt->data, pkt->size,
1643 pkt->flags & AV_PKT_FLAG_KEY)) {
1644 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1649 opkt.data = pkt->data;
1650 opkt.size = pkt->size;
1652 av_copy_packet_side_data(&opkt, pkt);
1654 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1655 /* store AVPicture in AVPacket, as expected by the output format */
1656 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1657 opkt.data = (uint8_t *)&pict;
1658 opkt.size = sizeof(AVPicture);
1659 opkt.flags |= AV_PKT_FLAG_KEY;
1662 write_frame(of->ctx, &opkt, ost);
1663 ost->st->codec->frame_number++;
1666 int guess_input_channel_layout(InputStream *ist)
1668 AVCodecContext *dec = ist->st->codec;
1670 if (!dec->channel_layout) {
1671 char layout_name[256];
1673 if (dec->channels > ist->guess_layout_max)
1675 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1676 if (!dec->channel_layout)
1678 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1679 dec->channels, dec->channel_layout);
1680 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1681 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1686 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1688 AVFrame *decoded_frame, *f;
1689 AVCodecContext *avctx = ist->st->codec;
1690 int i, ret, err = 0, resample_changed;
1691 AVRational decoded_frame_tb;
1693 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1694 return AVERROR(ENOMEM);
1695 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1696 return AVERROR(ENOMEM);
1697 decoded_frame = ist->decoded_frame;
1699 update_benchmark(NULL);
1700 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1701 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1703 if (ret >= 0 && avctx->sample_rate <= 0) {
1704 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1705 ret = AVERROR_INVALIDDATA;
1708 if (*got_output || ret<0 || pkt->size)
1709 decode_error_stat[ret<0] ++;
1711 if (!*got_output || ret < 0) {
1713 for (i = 0; i < ist->nb_filters; i++)
1715 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1717 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1723 ist->samples_decoded += decoded_frame->nb_samples;
1724 ist->frames_decoded++;
1727 /* increment next_dts to use for the case where the input stream does not
1728 have timestamps or there are multiple frames in the packet */
1729 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1731 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1735 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1736 ist->resample_channels != avctx->channels ||
1737 ist->resample_channel_layout != decoded_frame->channel_layout ||
1738 ist->resample_sample_rate != decoded_frame->sample_rate;
1739 if (resample_changed) {
1740 char layout1[64], layout2[64];
1742 if (!guess_input_channel_layout(ist)) {
1743 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1744 "layout for Input Stream #%d.%d\n", ist->file_index,
1748 decoded_frame->channel_layout = avctx->channel_layout;
1750 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1751 ist->resample_channel_layout);
1752 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1753 decoded_frame->channel_layout);
1755 av_log(NULL, AV_LOG_INFO,
1756 "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",
1757 ist->file_index, ist->st->index,
1758 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1759 ist->resample_channels, layout1,
1760 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1761 avctx->channels, layout2);
1763 ist->resample_sample_fmt = decoded_frame->format;
1764 ist->resample_sample_rate = decoded_frame->sample_rate;
1765 ist->resample_channel_layout = decoded_frame->channel_layout;
1766 ist->resample_channels = avctx->channels;
1768 for (i = 0; i < nb_filtergraphs; i++)
1769 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1770 FilterGraph *fg = filtergraphs[i];
1772 if (configure_filtergraph(fg) < 0) {
1773 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1776 for (j = 0; j < fg->nb_outputs; j++) {
1777 OutputStream *ost = fg->outputs[j]->ost;
1778 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1779 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1780 av_buffersink_set_frame_size(ost->filter->filter,
1781 ost->st->codec->frame_size);
1786 /* if the decoder provides a pts, use it instead of the last packet pts.
1787 the decoder could be delaying output by a packet or more. */
1788 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1789 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1790 decoded_frame_tb = avctx->time_base;
1791 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1792 decoded_frame->pts = decoded_frame->pkt_pts;
1793 pkt->pts = AV_NOPTS_VALUE;
1794 decoded_frame_tb = ist->st->time_base;
1795 } else if (pkt->pts != AV_NOPTS_VALUE) {
1796 decoded_frame->pts = pkt->pts;
1797 pkt->pts = AV_NOPTS_VALUE;
1798 decoded_frame_tb = ist->st->time_base;
1800 decoded_frame->pts = ist->dts;
1801 decoded_frame_tb = AV_TIME_BASE_Q;
1803 if (decoded_frame->pts != AV_NOPTS_VALUE)
1804 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1805 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1806 (AVRational){1, ist->st->codec->sample_rate});
1807 for (i = 0; i < ist->nb_filters; i++) {
1808 if (i < ist->nb_filters - 1) {
1809 f = ist->filter_frame;
1810 err = av_frame_ref(f, decoded_frame);
1815 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1816 AV_BUFFERSRC_FLAG_PUSH);
1817 if (err == AVERROR_EOF)
1818 err = 0; /* ignore */
1822 decoded_frame->pts = AV_NOPTS_VALUE;
1824 av_frame_unref(ist->filter_frame);
1825 av_frame_unref(decoded_frame);
1826 return err < 0 ? err : ret;
1829 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1831 AVFrame *decoded_frame, *f;
1832 int i, ret = 0, err = 0, resample_changed;
1833 int64_t best_effort_timestamp;
1834 AVRational *frame_sample_aspect;
1836 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1837 return AVERROR(ENOMEM);
1838 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1839 return AVERROR(ENOMEM);
1840 decoded_frame = ist->decoded_frame;
1841 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1843 update_benchmark(NULL);
1844 ret = avcodec_decode_video2(ist->st->codec,
1845 decoded_frame, got_output, pkt);
1846 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1848 if (*got_output || ret<0 || pkt->size)
1849 decode_error_stat[ret<0] ++;
1851 if (!*got_output || ret < 0) {
1853 for (i = 0; i < ist->nb_filters; i++)
1855 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1857 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1863 if(ist->top_field_first>=0)
1864 decoded_frame->top_field_first = ist->top_field_first;
1866 ist->frames_decoded++;
1868 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1869 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1873 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1875 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1876 if(best_effort_timestamp != AV_NOPTS_VALUE)
1877 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1880 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1881 "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",
1882 ist->st->index, av_ts2str(decoded_frame->pts),
1883 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1884 best_effort_timestamp,
1885 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1886 decoded_frame->key_frame, decoded_frame->pict_type,
1887 ist->st->time_base.num, ist->st->time_base.den);
1892 if (ist->st->sample_aspect_ratio.num)
1893 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1895 resample_changed = ist->resample_width != decoded_frame->width ||
1896 ist->resample_height != decoded_frame->height ||
1897 ist->resample_pix_fmt != decoded_frame->format;
1898 if (resample_changed) {
1899 av_log(NULL, AV_LOG_INFO,
1900 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1901 ist->file_index, ist->st->index,
1902 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1903 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1905 ist->resample_width = decoded_frame->width;
1906 ist->resample_height = decoded_frame->height;
1907 ist->resample_pix_fmt = decoded_frame->format;
1909 for (i = 0; i < nb_filtergraphs; i++) {
1910 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1911 configure_filtergraph(filtergraphs[i]) < 0) {
1912 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1918 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1919 for (i = 0; i < ist->nb_filters; i++) {
1920 if (!frame_sample_aspect->num)
1921 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1923 if (i < ist->nb_filters - 1) {
1924 f = ist->filter_frame;
1925 err = av_frame_ref(f, decoded_frame);
1930 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1931 if (ret == AVERROR_EOF) {
1932 ret = 0; /* ignore */
1933 } else if (ret < 0) {
1934 av_log(NULL, AV_LOG_FATAL,
1935 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1941 av_frame_unref(ist->filter_frame);
1942 av_frame_unref(decoded_frame);
1943 return err < 0 ? err : ret;
1946 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1948 AVSubtitle subtitle;
1949 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1950 &subtitle, got_output, pkt);
1952 if (*got_output || ret<0 || pkt->size)
1953 decode_error_stat[ret<0] ++;
1955 if (ret < 0 || !*got_output) {
1957 sub2video_flush(ist);
1961 if (ist->fix_sub_duration) {
1963 if (ist->prev_sub.got_output) {
1964 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1965 1000, AV_TIME_BASE);
1966 if (end < ist->prev_sub.subtitle.end_display_time) {
1967 av_log(ist->st->codec, AV_LOG_DEBUG,
1968 "Subtitle duration reduced from %d to %d%s\n",
1969 ist->prev_sub.subtitle.end_display_time, end,
1970 end <= 0 ? ", dropping it" : "");
1971 ist->prev_sub.subtitle.end_display_time = end;
1974 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1975 FFSWAP(int, ret, ist->prev_sub.ret);
1976 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1984 sub2video_update(ist, &subtitle);
1986 if (!subtitle.num_rects)
1989 ist->frames_decoded++;
1991 for (i = 0; i < nb_output_streams; i++) {
1992 OutputStream *ost = output_streams[i];
1994 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
1995 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
1998 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2002 avsubtitle_free(&subtitle);
2006 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2007 static int output_packet(InputStream *ist, const AVPacket *pkt)
2013 if (!ist->saw_first_ts) {
2014 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;
2016 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2017 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2018 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2020 ist->saw_first_ts = 1;
2023 if (ist->next_dts == AV_NOPTS_VALUE)
2024 ist->next_dts = ist->dts;
2025 if (ist->next_pts == AV_NOPTS_VALUE)
2026 ist->next_pts = ist->pts;
2030 av_init_packet(&avpkt);
2038 if (pkt->dts != AV_NOPTS_VALUE) {
2039 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2040 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2041 ist->next_pts = ist->pts = ist->dts;
2044 // while we have more to decode or while the decoder did output something on EOF
2045 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2049 ist->pts = ist->next_pts;
2050 ist->dts = ist->next_dts;
2052 if (avpkt.size && avpkt.size != pkt->size &&
2053 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2054 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2055 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2056 ist->showed_multi_packet_warning = 1;
2059 switch (ist->st->codec->codec_type) {
2060 case AVMEDIA_TYPE_AUDIO:
2061 ret = decode_audio (ist, &avpkt, &got_output);
2063 case AVMEDIA_TYPE_VIDEO:
2064 ret = decode_video (ist, &avpkt, &got_output);
2065 if (avpkt.duration) {
2066 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2067 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2068 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2069 duration = ((int64_t)AV_TIME_BASE *
2070 ist->st->codec->time_base.num * ticks) /
2071 ist->st->codec->time_base.den;
2075 if(ist->dts != AV_NOPTS_VALUE && duration) {
2076 ist->next_dts += duration;
2078 ist->next_dts = AV_NOPTS_VALUE;
2081 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2083 case AVMEDIA_TYPE_SUBTITLE:
2084 ret = transcode_subtitles(ist, &avpkt, &got_output);
2094 avpkt.pts= AV_NOPTS_VALUE;
2096 // touch data and size only if not EOF
2098 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2108 /* handle stream copy */
2109 if (!ist->decoding_needed) {
2110 ist->dts = ist->next_dts;
2111 switch (ist->st->codec->codec_type) {
2112 case AVMEDIA_TYPE_AUDIO:
2113 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2114 ist->st->codec->sample_rate;
2116 case AVMEDIA_TYPE_VIDEO:
2117 if (ist->framerate.num) {
2118 // TODO: Remove work-around for c99-to-c89 issue 7
2119 AVRational time_base_q = AV_TIME_BASE_Q;
2120 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2121 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2122 } else if (pkt->duration) {
2123 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2124 } else if(ist->st->codec->time_base.num != 0) {
2125 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2126 ist->next_dts += ((int64_t)AV_TIME_BASE *
2127 ist->st->codec->time_base.num * ticks) /
2128 ist->st->codec->time_base.den;
2132 ist->pts = ist->dts;
2133 ist->next_pts = ist->next_dts;
2135 for (i = 0; pkt && i < nb_output_streams; i++) {
2136 OutputStream *ost = output_streams[i];
2138 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2141 do_streamcopy(ist, ost, pkt);
2147 static void print_sdp(void)
2151 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2155 for (i = 0; i < nb_output_files; i++)
2156 avc[i] = output_files[i]->ctx;
2158 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2159 printf("SDP:\n%s\n", sdp);
2164 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2167 for (i = 0; hwaccels[i].name; i++)
2168 if (hwaccels[i].pix_fmt == pix_fmt)
2169 return &hwaccels[i];
2173 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2175 InputStream *ist = s->opaque;
2176 const enum AVPixelFormat *p;
2179 for (p = pix_fmts; *p != -1; p++) {
2180 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2181 const HWAccel *hwaccel;
2183 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2186 hwaccel = get_hwaccel(*p);
2188 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2189 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2192 ret = hwaccel->init(s);
2194 if (ist->hwaccel_id == hwaccel->id) {
2195 av_log(NULL, AV_LOG_FATAL,
2196 "%s hwaccel requested for input stream #%d:%d, "
2197 "but cannot be initialized.\n", hwaccel->name,
2198 ist->file_index, ist->st->index);
2203 ist->active_hwaccel_id = hwaccel->id;
2204 ist->hwaccel_pix_fmt = *p;
2211 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2213 InputStream *ist = s->opaque;
2215 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2216 return ist->hwaccel_get_buffer(s, frame, flags);
2218 return avcodec_default_get_buffer2(s, frame, flags);
2221 static int init_input_stream(int ist_index, char *error, int error_len)
2224 InputStream *ist = input_streams[ist_index];
2226 if (ist->decoding_needed) {
2227 AVCodec *codec = ist->dec;
2229 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2230 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2231 return AVERROR(EINVAL);
2234 ist->st->codec->opaque = ist;
2235 ist->st->codec->get_format = get_format;
2236 ist->st->codec->get_buffer2 = get_buffer;
2237 ist->st->codec->thread_safe_callbacks = 1;
2239 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2241 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2242 av_dict_set(&ist->opts, "threads", "auto", 0);
2243 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
2244 if (ret == AVERROR_EXPERIMENTAL)
2245 abort_codec_experimental(codec, 0);
2247 snprintf(error, error_len,
2248 "Error while opening decoder for input stream "
2250 ist->file_index, ist->st->index, av_err2str(ret));
2253 assert_avoptions(ist->opts);
2256 ist->next_pts = AV_NOPTS_VALUE;
2257 ist->next_dts = AV_NOPTS_VALUE;
2262 static InputStream *get_input_stream(OutputStream *ost)
2264 if (ost->source_index >= 0)
2265 return input_streams[ost->source_index];
2269 static int compare_int64(const void *a, const void *b)
2271 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2272 return va < vb ? -1 : va > vb ? +1 : 0;
2275 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2276 AVCodecContext *avctx)
2279 int n = 1, i, size, index = 0;
2282 for (p = kf; *p; p++)
2286 pts = av_malloc(sizeof(*pts) * size);
2288 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2293 for (i = 0; i < n; i++) {
2294 char *next = strchr(p, ',');
2299 if (!memcmp(p, "chapters", 8)) {
2301 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2304 if (avf->nb_chapters > INT_MAX - size ||
2305 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2307 av_log(NULL, AV_LOG_FATAL,
2308 "Could not allocate forced key frames array.\n");
2311 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2312 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2314 for (j = 0; j < avf->nb_chapters; j++) {
2315 AVChapter *c = avf->chapters[j];
2316 av_assert1(index < size);
2317 pts[index++] = av_rescale_q(c->start, c->time_base,
2318 avctx->time_base) + t;
2323 t = parse_time_or_die("force_key_frames", p, 1);
2324 av_assert1(index < size);
2325 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2332 av_assert0(index == size);
2333 qsort(pts, size, sizeof(*pts), compare_int64);
2334 ost->forced_kf_count = size;
2335 ost->forced_kf_pts = pts;
2338 static void report_new_stream(int input_index, AVPacket *pkt)
2340 InputFile *file = input_files[input_index];
2341 AVStream *st = file->ctx->streams[pkt->stream_index];
2343 if (pkt->stream_index < file->nb_streams_warn)
2345 av_log(file->ctx, AV_LOG_WARNING,
2346 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2347 av_get_media_type_string(st->codec->codec_type),
2348 input_index, pkt->stream_index,
2349 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2350 file->nb_streams_warn = pkt->stream_index + 1;
2353 static int transcode_init(void)
2355 int ret = 0, i, j, k;
2356 AVFormatContext *oc;
2357 AVCodecContext *codec;
2363 for (i = 0; i < nb_filtergraphs; i++) {
2364 FilterGraph *fg = filtergraphs[i];
2365 for (j = 0; j < fg->nb_outputs; j++) {
2366 OutputFilter *ofilter = fg->outputs[j];
2367 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2369 if (fg->nb_inputs != 1)
2371 for (k = nb_input_streams-1; k >= 0 ; k--)
2372 if (fg->inputs[0]->ist == input_streams[k])
2374 ofilter->ost->source_index = k;
2378 /* init framerate emulation */
2379 for (i = 0; i < nb_input_files; i++) {
2380 InputFile *ifile = input_files[i];
2381 if (ifile->rate_emu)
2382 for (j = 0; j < ifile->nb_streams; j++)
2383 input_streams[j + ifile->ist_index]->start = av_gettime();
2386 /* output stream init */
2387 for (i = 0; i < nb_output_files; i++) {
2388 oc = output_files[i]->ctx;
2389 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2390 av_dump_format(oc, i, oc->filename, 1);
2391 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2392 return AVERROR(EINVAL);
2396 /* init complex filtergraphs */
2397 for (i = 0; i < nb_filtergraphs; i++)
2398 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2401 /* for each output stream, we compute the right encoding parameters */
2402 for (i = 0; i < nb_output_streams; i++) {
2403 AVCodecContext *icodec = NULL;
2404 ost = output_streams[i];
2405 oc = output_files[ost->file_index]->ctx;
2406 ist = get_input_stream(ost);
2408 if (ost->attachment_filename)
2411 codec = ost->st->codec;
2414 icodec = ist->st->codec;
2416 ost->st->disposition = ist->st->disposition;
2417 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2418 codec->chroma_sample_location = icodec->chroma_sample_location;
2420 for (j=0; j<oc->nb_streams; j++) {
2421 AVStream *st = oc->streams[j];
2422 if (st != ost->st && st->codec->codec_type == codec->codec_type)
2425 if (j == oc->nb_streams)
2426 if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
2427 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2430 if (ost->stream_copy) {
2432 uint64_t extra_size;
2434 av_assert0(ist && !ost->filter);
2436 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2438 if (extra_size > INT_MAX) {
2439 return AVERROR(EINVAL);
2442 /* if stream_copy is selected, no need to decode or encode */
2443 codec->codec_id = icodec->codec_id;
2444 codec->codec_type = icodec->codec_type;
2446 if (!codec->codec_tag) {
2447 unsigned int codec_tag;
2448 if (!oc->oformat->codec_tag ||
2449 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2450 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2451 codec->codec_tag = icodec->codec_tag;
2454 codec->bit_rate = icodec->bit_rate;
2455 codec->rc_max_rate = icodec->rc_max_rate;
2456 codec->rc_buffer_size = icodec->rc_buffer_size;
2457 codec->field_order = icodec->field_order;
2458 codec->extradata = av_mallocz(extra_size);
2459 if (!codec->extradata) {
2460 return AVERROR(ENOMEM);
2462 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2463 codec->extradata_size= icodec->extradata_size;
2464 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2466 codec->time_base = ist->st->time_base;
2468 * Avi is a special case here because it supports variable fps but
2469 * having the fps and timebase differe significantly adds quite some
2472 if(!strcmp(oc->oformat->name, "avi")) {
2473 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2474 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2475 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2476 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2478 codec->time_base.num = ist->st->r_frame_rate.den;
2479 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2480 codec->ticks_per_frame = 2;
2481 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2482 && av_q2d(ist->st->time_base) < 1.0/500
2484 codec->time_base = icodec->time_base;
2485 codec->time_base.num *= icodec->ticks_per_frame;
2486 codec->time_base.den *= 2;
2487 codec->ticks_per_frame = 2;
2489 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2490 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2491 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2492 && strcmp(oc->oformat->name, "f4v")
2494 if( copy_tb<0 && icodec->time_base.den
2495 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2496 && av_q2d(ist->st->time_base) < 1.0/500
2498 codec->time_base = icodec->time_base;
2499 codec->time_base.num *= icodec->ticks_per_frame;
2502 if ( codec->codec_tag == AV_RL32("tmcd")
2503 && icodec->time_base.num < icodec->time_base.den
2504 && icodec->time_base.num > 0
2505 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2506 codec->time_base = icodec->time_base;
2509 if (ist && !ost->frame_rate.num)
2510 ost->frame_rate = ist->framerate;
2511 if(ost->frame_rate.num)
2512 codec->time_base = av_inv_q(ost->frame_rate);
2514 av_reduce(&codec->time_base.num, &codec->time_base.den,
2515 codec->time_base.num, codec->time_base.den, INT_MAX);
2517 ost->parser = av_parser_init(codec->codec_id);
2519 switch (codec->codec_type) {
2520 case AVMEDIA_TYPE_AUDIO:
2521 if (audio_volume != 256) {
2522 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2525 codec->channel_layout = icodec->channel_layout;
2526 codec->sample_rate = icodec->sample_rate;
2527 codec->channels = icodec->channels;
2528 codec->frame_size = icodec->frame_size;
2529 codec->audio_service_type = icodec->audio_service_type;
2530 codec->block_align = icodec->block_align;
2531 codec->delay = icodec->delay;
2532 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2533 codec->block_align= 0;
2534 if(codec->codec_id == AV_CODEC_ID_AC3)
2535 codec->block_align= 0;
2537 case AVMEDIA_TYPE_VIDEO:
2538 codec->pix_fmt = icodec->pix_fmt;
2539 codec->width = icodec->width;
2540 codec->height = icodec->height;
2541 codec->has_b_frames = icodec->has_b_frames;
2542 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2544 av_mul_q(ost->frame_aspect_ratio,
2545 (AVRational){ codec->height, codec->width });
2546 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2547 "with stream copy may produce invalid files\n");
2549 else if (ist->st->sample_aspect_ratio.num)
2550 sar = ist->st->sample_aspect_ratio;
2552 sar = icodec->sample_aspect_ratio;
2553 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
2554 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2556 case AVMEDIA_TYPE_SUBTITLE:
2557 codec->width = icodec->width;
2558 codec->height = icodec->height;
2560 case AVMEDIA_TYPE_DATA:
2561 case AVMEDIA_TYPE_ATTACHMENT:
2568 ost->enc = avcodec_find_encoder(codec->codec_id);
2570 /* should only happen when a default codec is not present. */
2571 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2572 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2573 ret = AVERROR(EINVAL);
2578 ist->decoding_needed++;
2579 ost->encoding_needed = 1;
2582 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2583 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2585 fg = init_simple_filtergraph(ist, ost);
2586 if (configure_filtergraph(fg)) {
2587 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2592 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2593 if (ost->filter && !ost->frame_rate.num)
2594 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2595 if (ist && !ost->frame_rate.num)
2596 ost->frame_rate = ist->framerate;
2597 if (ist && !ost->frame_rate.num)
2598 ost->frame_rate = ist->st->r_frame_rate;
2599 if (ist && !ost->frame_rate.num) {
2600 ost->frame_rate = (AVRational){25, 1};
2601 av_log(NULL, AV_LOG_WARNING,
2603 "about the input framerate is available. Falling "
2604 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2605 "if you want a different framerate.\n",
2606 ost->file_index, ost->index);
2608 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2609 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2610 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2611 ost->frame_rate = ost->enc->supported_framerates[idx];
2613 if (codec->codec_id == AV_CODEC_ID_MPEG4) {
2614 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2615 ost->frame_rate.num, ost->frame_rate.den, 65535);
2619 switch (codec->codec_type) {
2620 case AVMEDIA_TYPE_AUDIO:
2621 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2622 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2623 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2624 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2625 codec->time_base = (AVRational){ 1, codec->sample_rate };
2627 case AVMEDIA_TYPE_VIDEO:
2628 codec->time_base = av_inv_q(ost->frame_rate);
2629 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2630 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2631 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2632 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2633 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2634 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2636 for (j = 0; j < ost->forced_kf_count; j++)
2637 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2641 codec->width = ost->filter->filter->inputs[0]->w;
2642 codec->height = ost->filter->filter->inputs[0]->h;
2643 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2644 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2645 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2646 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2647 if (!strncmp(ost->enc->name, "libx264", 7) &&
2648 codec->pix_fmt == AV_PIX_FMT_NONE &&
2649 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2650 av_log(NULL, AV_LOG_WARNING,
2651 "No pixel format specified, %s for H.264 encoding chosen.\n"
2652 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2653 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2654 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2655 codec->pix_fmt == AV_PIX_FMT_NONE &&
2656 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2657 av_log(NULL, AV_LOG_WARNING,
2658 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2659 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2660 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2661 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2664 codec->width != icodec->width ||
2665 codec->height != icodec->height ||
2666 codec->pix_fmt != icodec->pix_fmt) {
2667 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2670 if (ost->forced_keyframes) {
2671 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2672 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2673 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2675 av_log(NULL, AV_LOG_ERROR,
2676 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2679 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2680 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2681 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2682 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2684 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2688 case AVMEDIA_TYPE_SUBTITLE:
2689 codec->time_base = (AVRational){1, 1000};
2690 if (!codec->width) {
2691 codec->width = input_streams[ost->source_index]->st->codec->width;
2692 codec->height = input_streams[ost->source_index]->st->codec->height;
2700 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2701 char logfilename[1024];
2704 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2705 ost->logfile_prefix ? ost->logfile_prefix :
2706 DEFAULT_PASS_LOGFILENAME_PREFIX,
2708 if (!strcmp(ost->enc->name, "libx264")) {
2709 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2711 if (codec->flags & CODEC_FLAG_PASS2) {
2713 size_t logbuffer_size;
2714 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2715 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2719 codec->stats_in = logbuffer;
2721 if (codec->flags & CODEC_FLAG_PASS1) {
2722 f = av_fopen_utf8(logfilename, "wb");
2724 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2725 logfilename, strerror(errno));
2735 /* open each encoder */
2736 for (i = 0; i < nb_output_streams; i++) {
2737 ost = output_streams[i];
2738 if (ost->encoding_needed) {
2739 AVCodec *codec = ost->enc;
2740 AVCodecContext *dec = NULL;
2742 if ((ist = get_input_stream(ost)))
2743 dec = ist->st->codec;
2744 if (dec && dec->subtitle_header) {
2745 /* ASS code assumes this buffer is null terminated so add extra byte. */
2746 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2747 if (!ost->st->codec->subtitle_header) {
2748 ret = AVERROR(ENOMEM);
2751 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2752 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2754 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2755 av_dict_set(&ost->opts, "threads", "auto", 0);
2756 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2757 if (ret == AVERROR_EXPERIMENTAL)
2758 abort_codec_experimental(codec, 1);
2759 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2760 ost->file_index, ost->index);
2763 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2764 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2765 av_buffersink_set_frame_size(ost->filter->filter,
2766 ost->st->codec->frame_size);
2767 assert_avoptions(ost->opts);
2768 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2769 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2770 " It takes bits/s as argument, not kbits/s\n");
2772 av_opt_set_dict(ost->st->codec, &ost->opts);
2776 /* init input streams */
2777 for (i = 0; i < nb_input_streams; i++)
2778 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2779 for (i = 0; i < nb_output_streams; i++) {
2780 ost = output_streams[i];
2781 avcodec_close(ost->st->codec);
2786 /* discard unused programs */
2787 for (i = 0; i < nb_input_files; i++) {
2788 InputFile *ifile = input_files[i];
2789 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2790 AVProgram *p = ifile->ctx->programs[j];
2791 int discard = AVDISCARD_ALL;
2793 for (k = 0; k < p->nb_stream_indexes; k++)
2794 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2795 discard = AVDISCARD_DEFAULT;
2798 p->discard = discard;
2802 /* open files and write file headers */
2803 for (i = 0; i < nb_output_files; i++) {
2804 oc = output_files[i]->ctx;
2805 oc->interrupt_callback = int_cb;
2806 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2807 snprintf(error, sizeof(error),
2808 "Could not write header for output file #%d "
2809 "(incorrect codec parameters ?): %s",
2810 i, av_err2str(ret));
2811 ret = AVERROR(EINVAL);
2814 // assert_avoptions(output_files[i]->opts);
2815 if (strcmp(oc->oformat->name, "rtp")) {
2821 /* dump the file output parameters - cannot be done before in case
2823 for (i = 0; i < nb_output_files; i++) {
2824 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2827 /* dump the stream mapping */
2828 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2829 for (i = 0; i < nb_input_streams; i++) {
2830 ist = input_streams[i];
2832 for (j = 0; j < ist->nb_filters; j++) {
2833 if (ist->filters[j]->graph->graph_desc) {
2834 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2835 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2836 ist->filters[j]->name);
2837 if (nb_filtergraphs > 1)
2838 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2839 av_log(NULL, AV_LOG_INFO, "\n");
2844 for (i = 0; i < nb_output_streams; i++) {
2845 ost = output_streams[i];
2847 if (ost->attachment_filename) {
2848 /* an attached file */
2849 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2850 ost->attachment_filename, ost->file_index, ost->index);
2854 if (ost->filter && ost->filter->graph->graph_desc) {
2855 /* output from a complex graph */
2856 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2857 if (nb_filtergraphs > 1)
2858 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2860 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2861 ost->index, ost->enc ? ost->enc->name : "?");
2865 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2866 input_streams[ost->source_index]->file_index,
2867 input_streams[ost->source_index]->st->index,
2870 if (ost->sync_ist != input_streams[ost->source_index])
2871 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2872 ost->sync_ist->file_index,
2873 ost->sync_ist->st->index);
2874 if (ost->stream_copy)
2875 av_log(NULL, AV_LOG_INFO, " (copy)");
2877 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2878 input_streams[ost->source_index]->dec->name : "?",
2879 ost->enc ? ost->enc->name : "?");
2880 av_log(NULL, AV_LOG_INFO, "\n");
2884 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2895 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2896 static int need_output(void)
2900 for (i = 0; i < nb_output_streams; i++) {
2901 OutputStream *ost = output_streams[i];
2902 OutputFile *of = output_files[ost->file_index];
2903 AVFormatContext *os = output_files[ost->file_index]->ctx;
2905 if (ost->finished ||
2906 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2908 if (ost->frame_number >= ost->max_frames) {
2910 for (j = 0; j < of->ctx->nb_streams; j++)
2911 close_output_stream(output_streams[of->ost_index + j]);
2922 * Select the output stream to process.
2924 * @return selected output stream, or NULL if none available
2926 static OutputStream *choose_output(void)
2929 int64_t opts_min = INT64_MAX;
2930 OutputStream *ost_min = NULL;
2932 for (i = 0; i < nb_output_streams; i++) {
2933 OutputStream *ost = output_streams[i];
2934 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2936 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2944 static int check_keyboard_interaction(int64_t cur_time)
2947 static int64_t last_time;
2948 if (received_nb_signals)
2949 return AVERROR_EXIT;
2950 /* read_key() returns 0 on EOF */
2951 if(cur_time - last_time >= 100000 && !run_as_daemon){
2953 last_time = cur_time;
2957 return AVERROR_EXIT;
2958 if (key == '+') av_log_set_level(av_log_get_level()+10);
2959 if (key == '-') av_log_set_level(av_log_get_level()-10);
2960 if (key == 's') qp_hist ^= 1;
2963 do_hex_dump = do_pkt_dump = 0;
2964 } else if(do_pkt_dump){
2968 av_log_set_level(AV_LOG_DEBUG);
2970 if (key == 'c' || key == 'C'){
2971 char buf[4096], target[64], command[256], arg[256] = {0};
2974 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2976 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2981 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2982 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2983 target, time, command, arg);
2984 for (i = 0; i < nb_filtergraphs; i++) {
2985 FilterGraph *fg = filtergraphs[i];
2988 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2989 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2990 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
2991 } else if (key == 'c') {
2992 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
2993 ret = AVERROR_PATCHWELCOME;
2995 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3000 av_log(NULL, AV_LOG_ERROR,
3001 "Parse error, at least 3 arguments were expected, "
3002 "only %d given in string '%s'\n", n, buf);
3005 if (key == 'd' || key == 'D'){
3008 debug = input_streams[0]->st->codec->debug<<1;
3009 if(!debug) debug = 1;
3010 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3013 if(scanf("%d", &debug)!=1)
3014 fprintf(stderr,"error parsing debug value\n");
3015 for(i=0;i<nb_input_streams;i++) {
3016 input_streams[i]->st->codec->debug = debug;
3018 for(i=0;i<nb_output_streams;i++) {
3019 OutputStream *ost = output_streams[i];
3020 ost->st->codec->debug = debug;
3022 if(debug) av_log_set_level(AV_LOG_DEBUG);
3023 fprintf(stderr,"debug=%d\n", debug);
3026 fprintf(stderr, "key function\n"
3027 "? show this help\n"
3028 "+ increase verbosity\n"
3029 "- decrease verbosity\n"
3030 "c Send command to first matching filter supporting it\n"
3031 "C Send/Que command to all matching filters\n"
3032 "D cycle through available debug modes\n"
3033 "h dump packets/hex press to cycle through the 3 states\n"
3035 "s Show QP histogram\n"
3042 static void *input_thread(void *arg)
3047 while (!transcoding_finished && ret >= 0) {
3049 ret = av_read_frame(f->ctx, &pkt);
3051 if (ret == AVERROR(EAGAIN)) {
3058 pthread_mutex_lock(&f->fifo_lock);
3059 while (!av_fifo_space(f->fifo))
3060 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3062 av_dup_packet(&pkt);
3063 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
3064 pthread_cond_signal(&f->fifo_cond);
3066 pthread_mutex_unlock(&f->fifo_lock);
3069 pthread_mutex_lock(&f->fifo_lock);
3071 pthread_cond_signal(&f->fifo_cond);
3072 pthread_mutex_unlock(&f->fifo_lock);
3076 static void free_input_threads(void)
3080 if (nb_input_files == 1)
3083 transcoding_finished = 1;
3085 for (i = 0; i < nb_input_files; i++) {
3086 InputFile *f = input_files[i];
3089 if (!f->fifo || f->joined)
3092 pthread_mutex_lock(&f->fifo_lock);
3093 while (av_fifo_size(f->fifo)) {
3094 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3095 av_free_packet(&pkt);
3097 pthread_cond_signal(&f->fifo_cond);
3098 pthread_mutex_unlock(&f->fifo_lock);
3100 pthread_join(f->thread, NULL);
3103 while (av_fifo_size(f->fifo)) {
3104 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3105 av_free_packet(&pkt);
3107 av_fifo_free(f->fifo);
3111 static int init_input_threads(void)
3115 if (nb_input_files == 1)
3118 for (i = 0; i < nb_input_files; i++) {
3119 InputFile *f = input_files[i];
3121 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3122 return AVERROR(ENOMEM);
3124 if (f->ctx->pb ? !f->ctx->pb->seekable :
3125 strcmp(f->ctx->iformat->name, "lavfi"))
3126 f->non_blocking = 1;
3128 pthread_mutex_init(&f->fifo_lock, NULL);
3129 pthread_cond_init (&f->fifo_cond, NULL);
3131 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3132 return AVERROR(ret);
3137 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3141 pthread_mutex_lock(&f->fifo_lock);
3144 if (av_fifo_size(f->fifo)) {
3145 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3146 pthread_cond_signal(&f->fifo_cond);
3153 if (f->non_blocking) {
3154 ret = AVERROR(EAGAIN);
3157 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3161 pthread_mutex_unlock(&f->fifo_lock);
3167 static int get_input_packet(InputFile *f, AVPacket *pkt)
3171 for (i = 0; i < f->nb_streams; i++) {
3172 InputStream *ist = input_streams[f->ist_index + i];
3173 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3174 int64_t now = av_gettime() - ist->start;
3176 return AVERROR(EAGAIN);
3181 if (nb_input_files > 1)
3182 return get_input_packet_mt(f, pkt);
3184 return av_read_frame(f->ctx, pkt);
3187 static int got_eagain(void)
3190 for (i = 0; i < nb_output_streams; i++)
3191 if (output_streams[i]->unavailable)
3196 static void reset_eagain(void)
3199 for (i = 0; i < nb_input_files; i++)
3200 input_files[i]->eagain = 0;
3201 for (i = 0; i < nb_output_streams; i++)
3202 output_streams[i]->unavailable = 0;
3207 * - 0 -- one packet was read and processed
3208 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3209 * this function should be called again
3210 * - AVERROR_EOF -- this function should not be called again
3212 static int process_input(int file_index)
3214 InputFile *ifile = input_files[file_index];
3215 AVFormatContext *is;
3221 ret = get_input_packet(ifile, &pkt);
3223 if (ret == AVERROR(EAGAIN)) {
3228 if (ret != AVERROR_EOF) {
3229 print_error(is->filename, ret);
3233 ifile->eof_reached = 1;
3235 for (i = 0; i < ifile->nb_streams; i++) {
3236 ist = input_streams[ifile->ist_index + i];
3237 if (ist->decoding_needed)
3238 output_packet(ist, NULL);
3240 /* mark all outputs that don't go through lavfi as finished */
3241 for (j = 0; j < nb_output_streams; j++) {
3242 OutputStream *ost = output_streams[j];
3244 if (ost->source_index == ifile->ist_index + i &&
3245 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3246 close_output_stream(ost);
3250 return AVERROR(EAGAIN);
3256 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3257 is->streams[pkt.stream_index]);
3259 /* the following test is needed in case new streams appear
3260 dynamically in stream : we ignore them */
3261 if (pkt.stream_index >= ifile->nb_streams) {
3262 report_new_stream(file_index, &pkt);
3263 goto discard_packet;
3266 ist = input_streams[ifile->ist_index + pkt.stream_index];
3268 ist->data_size += pkt.size;
3272 goto discard_packet;
3275 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3276 "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",
3277 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3278 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3279 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3280 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3281 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3282 av_ts2str(input_files[ist->file_index]->ts_offset),
3283 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3286 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3287 int64_t stime, stime2;
3288 // Correcting starttime based on the enabled streams
3289 // 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.
3290 // so we instead do it here as part of discontinuity handling
3291 if ( ist->next_dts == AV_NOPTS_VALUE
3292 && ifile->ts_offset == -is->start_time
3293 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3294 int64_t new_start_time = INT64_MAX;
3295 for (i=0; i<is->nb_streams; i++) {
3296 AVStream *st = is->streams[i];
3297 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3299 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3301 if (new_start_time > is->start_time) {
3302 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3303 ifile->ts_offset = -new_start_time;
3307 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3308 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3309 ist->wrap_correction_done = 1;
3311 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3312 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3313 ist->wrap_correction_done = 0;
3315 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3316 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3317 ist->wrap_correction_done = 0;
3321 /* add the stream-global side data to the first packet */
3322 if (ist->nb_packets == 1)
3323 for (i = 0; i < ist->st->nb_side_data; i++) {
3324 AVPacketSideData *src_sd = &ist->st->side_data[i];
3327 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3330 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3334 memcpy(dst_data, src_sd->data, src_sd->size);
3337 if (pkt.dts != AV_NOPTS_VALUE)
3338 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3339 if (pkt.pts != AV_NOPTS_VALUE)
3340 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3342 if (pkt.pts != AV_NOPTS_VALUE)
3343 pkt.pts *= ist->ts_scale;
3344 if (pkt.dts != AV_NOPTS_VALUE)
3345 pkt.dts *= ist->ts_scale;
3347 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3348 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3349 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3350 int64_t delta = pkt_dts - ifile->last_ts;
3351 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3352 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3353 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3354 ifile->ts_offset -= delta;
3355 av_log(NULL, AV_LOG_DEBUG,
3356 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3357 delta, ifile->ts_offset);
3358 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3359 if (pkt.pts != AV_NOPTS_VALUE)
3360 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3364 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3366 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3367 int64_t delta = pkt_dts - ist->next_dts;
3368 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3369 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3370 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3371 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3372 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3373 ifile->ts_offset -= delta;
3374 av_log(NULL, AV_LOG_DEBUG,
3375 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3376 delta, ifile->ts_offset);
3377 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3378 if (pkt.pts != AV_NOPTS_VALUE)
3379 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3382 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3383 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3384 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3385 pkt.dts = AV_NOPTS_VALUE;
3387 if (pkt.pts != AV_NOPTS_VALUE){
3388 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3389 delta = pkt_pts - ist->next_dts;
3390 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3391 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3392 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3393 pkt.pts = AV_NOPTS_VALUE;
3399 if (pkt.dts != AV_NOPTS_VALUE)
3400 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3403 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",
3404 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3405 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3406 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3407 av_ts2str(input_files[ist->file_index]->ts_offset),
3408 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3411 sub2video_heartbeat(ist, pkt.pts);
3413 ret = output_packet(ist, &pkt);
3415 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3416 ist->file_index, ist->st->index, av_err2str(ret));
3422 av_free_packet(&pkt);
3428 * Perform a step of transcoding for the specified filter graph.
3430 * @param[in] graph filter graph to consider
3431 * @param[out] best_ist input stream where a frame would allow to continue
3432 * @return 0 for success, <0 for error
3434 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3437 int nb_requests, nb_requests_max = 0;
3438 InputFilter *ifilter;
3442 ret = avfilter_graph_request_oldest(graph->graph);
3444 return reap_filters();
3446 if (ret == AVERROR_EOF) {
3447 ret = reap_filters();
3448 for (i = 0; i < graph->nb_outputs; i++)
3449 close_output_stream(graph->outputs[i]->ost);
3452 if (ret != AVERROR(EAGAIN))
3455 for (i = 0; i < graph->nb_inputs; i++) {
3456 ifilter = graph->inputs[i];
3458 if (input_files[ist->file_index]->eagain ||
3459 input_files[ist->file_index]->eof_reached)
3461 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3462 if (nb_requests > nb_requests_max) {
3463 nb_requests_max = nb_requests;
3469 for (i = 0; i < graph->nb_outputs; i++)
3470 graph->outputs[i]->ost->unavailable = 1;
3476 * Run a single step of transcoding.
3478 * @return 0 for success, <0 for error
3480 static int transcode_step(void)
3486 ost = choose_output();
3493 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3498 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3503 av_assert0(ost->source_index >= 0);
3504 ist = input_streams[ost->source_index];
3507 ret = process_input(ist->file_index);
3508 if (ret == AVERROR(EAGAIN)) {
3509 if (input_files[ist->file_index]->eagain)
3510 ost->unavailable = 1;
3514 return ret == AVERROR_EOF ? 0 : ret;
3516 return reap_filters();
3520 * The following code is the main loop of the file converter
3522 static int transcode(void)
3525 AVFormatContext *os;
3528 int64_t timer_start;
3530 ret = transcode_init();
3534 if (stdin_interaction) {
3535 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3538 timer_start = av_gettime();
3541 if ((ret = init_input_threads()) < 0)
3545 while (!received_sigterm) {
3546 int64_t cur_time= av_gettime();
3548 /* if 'q' pressed, exits */
3549 if (stdin_interaction)
3550 if (check_keyboard_interaction(cur_time) < 0)
3553 /* check if there's any stream where output is still needed */
3554 if (!need_output()) {
3555 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3559 ret = transcode_step();
3561 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3564 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3568 /* dump report by using the output first video and audio streams */
3569 print_report(0, timer_start, cur_time);
3572 free_input_threads();
3575 /* at the end of stream, we must flush the decoder buffers */
3576 for (i = 0; i < nb_input_streams; i++) {
3577 ist = input_streams[i];
3578 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3579 output_packet(ist, NULL);
3586 /* write the trailer if needed and close file */
3587 for (i = 0; i < nb_output_files; i++) {
3588 os = output_files[i]->ctx;
3589 av_write_trailer(os);
3592 /* dump report by using the first video and audio streams */
3593 print_report(1, timer_start, av_gettime());
3595 /* close each encoder */
3596 for (i = 0; i < nb_output_streams; i++) {
3597 ost = output_streams[i];
3598 if (ost->encoding_needed) {
3599 av_freep(&ost->st->codec->stats_in);
3600 avcodec_close(ost->st->codec);
3604 /* close each decoder */
3605 for (i = 0; i < nb_input_streams; i++) {
3606 ist = input_streams[i];
3607 if (ist->decoding_needed) {
3608 avcodec_close(ist->st->codec);
3609 if (ist->hwaccel_uninit)
3610 ist->hwaccel_uninit(ist->st->codec);
3619 free_input_threads();
3622 if (output_streams) {
3623 for (i = 0; i < nb_output_streams; i++) {
3624 ost = output_streams[i];
3626 if (ost->stream_copy)
3627 av_freep(&ost->st->codec->extradata);
3629 fclose(ost->logfile);
3630 ost->logfile = NULL;
3632 av_freep(&ost->st->codec->subtitle_header);
3633 av_freep(&ost->forced_kf_pts);
3634 av_freep(&ost->apad);
3635 av_dict_free(&ost->opts);
3636 av_dict_free(&ost->swr_opts);
3637 av_dict_free(&ost->resample_opts);
3645 static int64_t getutime(void)
3648 struct rusage rusage;
3650 getrusage(RUSAGE_SELF, &rusage);
3651 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3652 #elif HAVE_GETPROCESSTIMES
3654 FILETIME c, e, k, u;
3655 proc = GetCurrentProcess();
3656 GetProcessTimes(proc, &c, &e, &k, &u);
3657 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3659 return av_gettime();
3663 static int64_t getmaxrss(void)
3665 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3666 struct rusage rusage;
3667 getrusage(RUSAGE_SELF, &rusage);
3668 return (int64_t)rusage.ru_maxrss * 1024;
3669 #elif HAVE_GETPROCESSMEMORYINFO
3671 PROCESS_MEMORY_COUNTERS memcounters;
3672 proc = GetCurrentProcess();
3673 memcounters.cb = sizeof(memcounters);
3674 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3675 return memcounters.PeakPagefileUsage;
3681 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3685 int main(int argc, char **argv)
3690 register_exit(ffmpeg_cleanup);
3692 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3694 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3695 parse_loglevel(argc, argv, options);
3697 if(argc>1 && !strcmp(argv[1], "-d")){
3699 av_log_set_callback(log_callback_null);
3704 avcodec_register_all();
3706 avdevice_register_all();
3708 avfilter_register_all();
3710 avformat_network_init();
3712 show_banner(argc, argv, options);
3716 /* parse options and open all input/output files */
3717 ret = ffmpeg_parse_options(argc, argv);
3721 if (nb_output_files <= 0 && nb_input_files == 0) {
3723 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3727 /* file converter / grab */
3728 if (nb_output_files <= 0) {
3729 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3733 // if (nb_input_files == 0) {
3734 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3738 current_time = ti = getutime();
3739 if (transcode() < 0)
3741 ti = getutime() - ti;
3743 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3745 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3746 decode_error_stat[0], decode_error_stat[1]);
3747 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3750 exit_program(received_nb_signals ? 255 : main_return_code);
3751 return main_return_code;