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
41 #include "libavformat/avformat.h"
42 #include "libavdevice/avdevice.h"
43 #include "libswscale/swscale.h"
44 #include "libswresample/swresample.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/channel_layout.h"
47 #include "libavutil/parseutils.h"
48 #include "libavutil/samplefmt.h"
49 #include "libavutil/colorspace.h"
50 #include "libavutil/fifo.h"
51 #include "libavutil/intreadwrite.h"
52 #include "libavutil/dict.h"
53 #include "libavutil/mathematics.h"
54 #include "libavutil/pixdesc.h"
55 #include "libavutil/avstring.h"
56 #include "libavutil/libm.h"
57 #include "libavutil/imgutils.h"
58 #include "libavutil/timestamp.h"
59 #include "libavutil/bprint.h"
60 #include "libavutil/time.h"
61 #include "libavformat/os_support.h"
63 #include "libavformat/ffm.h" // not public API
65 # include "libavfilter/avcodec.h"
66 # include "libavfilter/avfilter.h"
67 # include "libavfilter/avfiltergraph.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 int64_t video_size = 0;
127 static int64_t audio_size = 0;
128 static int64_t subtitle_size = 0;
129 static int64_t extra_size = 0;
130 static int nb_frames_dup = 0;
131 static int nb_frames_drop = 0;
132 static int64_t decode_error_stat[2];
134 static int current_time;
135 AVIOContext *progress_avio = NULL;
137 static uint8_t *subtitle_out;
140 /* signal to input threads that they should exit; set by the main thread */
141 static int transcoding_finished;
144 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
146 InputStream **input_streams = NULL;
147 int nb_input_streams = 0;
148 InputFile **input_files = NULL;
149 int nb_input_files = 0;
151 OutputStream **output_streams = NULL;
152 int nb_output_streams = 0;
153 OutputFile **output_files = NULL;
154 int nb_output_files = 0;
156 FilterGraph **filtergraphs;
161 /* init terminal so that we can grab keys */
162 static struct termios oldtty;
163 static int restore_tty;
168 Convert subtitles to video with alpha to insert them in filter graphs.
169 This is a temporary solution until libavfilter gets real subtitles support.
172 static int sub2video_get_blank_frame(InputStream *ist)
175 AVFrame *frame = ist->sub2video.frame;
177 av_frame_unref(frame);
178 ist->sub2video.frame->width = ist->sub2video.w;
179 ist->sub2video.frame->height = ist->sub2video.h;
180 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
181 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
183 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
187 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
190 uint32_t *pal, *dst2;
194 if (r->type != SUBTITLE_BITMAP) {
195 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
198 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
199 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
203 dst += r->y * dst_linesize + r->x * 4;
204 src = r->pict.data[0];
205 pal = (uint32_t *)r->pict.data[1];
206 for (y = 0; y < r->h; y++) {
207 dst2 = (uint32_t *)dst;
209 for (x = 0; x < r->w; x++)
210 *(dst2++) = pal[*(src2++)];
212 src += r->pict.linesize[0];
216 static void sub2video_push_ref(InputStream *ist, int64_t pts)
218 AVFrame *frame = ist->sub2video.frame;
221 av_assert1(frame->data[0]);
222 ist->sub2video.last_pts = frame->pts = pts;
223 for (i = 0; i < ist->nb_filters; i++)
224 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
225 AV_BUFFERSRC_FLAG_KEEP_REF |
226 AV_BUFFERSRC_FLAG_PUSH);
229 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
231 int w = ist->sub2video.w, h = ist->sub2video.h;
232 AVFrame *frame = ist->sub2video.frame;
236 int64_t pts, end_pts;
241 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
242 AV_TIME_BASE_Q, ist->st->time_base);
243 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
244 AV_TIME_BASE_Q, ist->st->time_base);
245 num_rects = sub->num_rects;
247 pts = ist->sub2video.end_pts;
251 if (sub2video_get_blank_frame(ist) < 0) {
252 av_log(ist->st->codec, AV_LOG_ERROR,
253 "Impossible to get a blank canvas.\n");
256 dst = frame->data [0];
257 dst_linesize = frame->linesize[0];
258 for (i = 0; i < num_rects; i++)
259 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
260 sub2video_push_ref(ist, pts);
261 ist->sub2video.end_pts = end_pts;
264 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
266 InputFile *infile = input_files[ist->file_index];
270 /* When a frame is read from a file, examine all sub2video streams in
271 the same file and send the sub2video frame again. Otherwise, decoded
272 video frames could be accumulating in the filter graph while a filter
273 (possibly overlay) is desperately waiting for a subtitle frame. */
274 for (i = 0; i < infile->nb_streams; i++) {
275 InputStream *ist2 = input_streams[infile->ist_index + i];
276 if (!ist2->sub2video.frame)
278 /* subtitles seem to be usually muxed ahead of other streams;
279 if not, substracting a larger time here is necessary */
280 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
281 /* do not send the heartbeat frame if the subtitle is already ahead */
282 if (pts2 <= ist2->sub2video.last_pts)
284 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
285 sub2video_update(ist2, NULL);
286 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
287 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
289 sub2video_push_ref(ist2, pts2);
293 static void sub2video_flush(InputStream *ist)
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 */
305 av_log(NULL, AV_LOG_QUIET, "%s", "");
308 tcsetattr (0, TCSANOW, &oldtty);
312 static volatile int received_sigterm = 0;
313 static volatile int received_nb_signals = 0;
316 sigterm_handler(int sig)
318 received_sigterm = sig;
319 received_nb_signals++;
321 if(received_nb_signals > 3)
332 istty = isatty(0) && isatty(2);
334 if (istty && tcgetattr (0, &tty) == 0) {
339 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
340 |INLCR|IGNCR|ICRNL|IXON);
341 tty.c_oflag |= OPOST;
342 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
343 tty.c_cflag &= ~(CSIZE|PARENB);
348 tcsetattr (0, TCSANOW, &tty);
350 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
353 avformat_network_deinit();
355 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
356 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
358 signal(SIGXCPU, sigterm_handler);
362 /* read a key without blocking */
363 static int read_key(void)
375 n = select(1, &rfds, NULL, NULL, &tv);
384 # if HAVE_PEEKNAMEDPIPE
386 static HANDLE input_handle;
389 input_handle = GetStdHandle(STD_INPUT_HANDLE);
390 is_pipe = !GetConsoleMode(input_handle, &dw);
393 if (stdin->_cnt > 0) {
398 /* When running under a GUI, you will end here. */
399 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
400 // input pipe may have been closed by the program that ran ffmpeg
418 static int decode_interrupt_cb(void *ctx)
420 return received_nb_signals > 1;
423 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
425 static void exit_program(void)
430 int maxrss = getmaxrss() / 1024;
431 printf("bench: maxrss=%ikB\n", maxrss);
434 for (i = 0; i < nb_filtergraphs; i++) {
435 avfilter_graph_free(&filtergraphs[i]->graph);
436 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
437 av_freep(&filtergraphs[i]->inputs[j]->name);
438 av_freep(&filtergraphs[i]->inputs[j]);
440 av_freep(&filtergraphs[i]->inputs);
441 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
442 av_freep(&filtergraphs[i]->outputs[j]->name);
443 av_freep(&filtergraphs[i]->outputs[j]);
445 av_freep(&filtergraphs[i]->outputs);
446 av_freep(&filtergraphs[i]->graph_desc);
447 av_freep(&filtergraphs[i]);
449 av_freep(&filtergraphs);
451 av_freep(&subtitle_out);
454 for (i = 0; i < nb_output_files; i++) {
455 AVFormatContext *s = output_files[i]->ctx;
456 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
458 avformat_free_context(s);
459 av_dict_free(&output_files[i]->opts);
460 av_freep(&output_files[i]);
462 for (i = 0; i < nb_output_streams; i++) {
463 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
465 AVBitStreamFilterContext *next = bsfc->next;
466 av_bitstream_filter_close(bsfc);
469 output_streams[i]->bitstream_filters = NULL;
470 avcodec_free_frame(&output_streams[i]->filtered_frame);
472 av_freep(&output_streams[i]->forced_keyframes);
473 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
474 av_freep(&output_streams[i]->avfilter);
475 av_freep(&output_streams[i]->logfile_prefix);
476 av_freep(&output_streams[i]);
478 for (i = 0; i < nb_input_files; i++) {
479 avformat_close_input(&input_files[i]->ctx);
480 av_freep(&input_files[i]);
482 for (i = 0; i < nb_input_streams; i++) {
483 av_frame_free(&input_streams[i]->decoded_frame);
484 av_frame_free(&input_streams[i]->filter_frame);
485 av_dict_free(&input_streams[i]->opts);
486 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
487 av_frame_free(&input_streams[i]->sub2video.frame);
488 av_freep(&input_streams[i]->filters);
489 av_freep(&input_streams[i]);
494 av_free(vstats_filename);
496 av_freep(&input_streams);
497 av_freep(&input_files);
498 av_freep(&output_streams);
499 av_freep(&output_files);
504 avformat_network_deinit();
506 if (received_sigterm) {
507 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
508 (int) received_sigterm);
512 void assert_avoptions(AVDictionary *m)
514 AVDictionaryEntry *t;
515 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
516 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
521 static void abort_codec_experimental(AVCodec *c, int encoder)
526 static void update_benchmark(const char *fmt, ...)
528 if (do_benchmark_all) {
529 int64_t t = getutime();
535 vsnprintf(buf, sizeof(buf), fmt, va);
537 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
543 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
545 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
546 AVCodecContext *avctx = ost->st->codec;
549 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
550 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
551 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
553 if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && pkt->dts != AV_NOPTS_VALUE) {
554 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
555 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
556 av_log(s, max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG,
557 "st:%d PTS: %"PRId64" DTS: %"PRId64" < %"PRId64" invalid, clipping\n", pkt->stream_index, pkt->pts, pkt->dts, max);
558 if(pkt->pts >= pkt->dts)
559 pkt->pts = FFMAX(pkt->pts, max);
565 * Audio encoders may split the packets -- #frames in != #packets out.
566 * But there is no reordering, so we can limit the number of output packets
567 * by simply dropping them here.
568 * Counting encoded video frames needs to be done separately because of
569 * reordering, see do_video_out()
571 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
572 if (ost->frame_number >= ost->max_frames) {
580 AVPacket new_pkt = *pkt;
581 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
582 &new_pkt.data, &new_pkt.size,
583 pkt->data, pkt->size,
584 pkt->flags & AV_PKT_FLAG_KEY);
585 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
586 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
588 memcpy(t, new_pkt.data, new_pkt.size);
589 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
598 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
599 av_buffer_default_free, NULL, 0);
603 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
604 bsfc->filter->name, pkt->stream_index,
605 avctx->codec ? avctx->codec->name : "copy");
615 pkt->stream_index = ost->index;
618 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
619 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
620 av_get_media_type_string(ost->st->codec->codec_type),
621 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
622 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
627 ret = av_interleaved_write_frame(s, pkt);
629 print_error("av_interleaved_write_frame()", ret);
634 static void close_output_stream(OutputStream *ost)
636 OutputFile *of = output_files[ost->file_index];
640 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
641 of->recording_time = FFMIN(of->recording_time, end);
645 static int check_recording_time(OutputStream *ost)
647 OutputFile *of = output_files[ost->file_index];
649 if (of->recording_time != INT64_MAX &&
650 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
651 AV_TIME_BASE_Q) >= 0) {
652 close_output_stream(ost);
658 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
661 AVCodecContext *enc = ost->st->codec;
665 av_init_packet(&pkt);
669 if (!check_recording_time(ost))
672 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
673 frame->pts = ost->sync_opts;
674 ost->sync_opts = frame->pts + frame->nb_samples;
676 av_assert0(pkt.size || !pkt.data);
677 update_benchmark(NULL);
678 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
679 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
682 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
685 if (pkt.pts != AV_NOPTS_VALUE)
686 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
687 if (pkt.dts != AV_NOPTS_VALUE)
688 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
689 if (pkt.duration > 0)
690 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
693 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
694 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
695 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
696 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
699 audio_size += pkt.size;
700 write_frame(s, &pkt, ost);
702 av_free_packet(&pkt);
706 static void do_subtitle_out(AVFormatContext *s,
711 int subtitle_out_max_size = 1024 * 1024;
712 int subtitle_out_size, nb, i;
717 if (sub->pts == AV_NOPTS_VALUE) {
718 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
724 enc = ost->st->codec;
727 subtitle_out = av_malloc(subtitle_out_max_size);
730 /* Note: DVB subtitle need one packet to draw them and one other
731 packet to clear them */
732 /* XXX: signal it in the codec context ? */
733 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
738 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
739 pts = sub->pts - output_files[ost->file_index]->start_time;
740 for (i = 0; i < nb; i++) {
741 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
742 if (!check_recording_time(ost))
746 // start_display_time is required to be 0
747 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
748 sub->end_display_time -= sub->start_display_time;
749 sub->start_display_time = 0;
752 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
753 subtitle_out_max_size, sub);
754 if (subtitle_out_size < 0) {
755 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
759 av_init_packet(&pkt);
760 pkt.data = subtitle_out;
761 pkt.size = subtitle_out_size;
762 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
763 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
764 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
765 /* XXX: the pts correction is handled here. Maybe handling
766 it in the codec would be better */
768 pkt.pts += 90 * sub->start_display_time;
770 pkt.pts += 90 * sub->end_display_time;
772 subtitle_size += pkt.size;
773 write_frame(s, &pkt, ost);
777 static void do_video_out(AVFormatContext *s,
781 int ret, format_video_sync;
783 AVCodecContext *enc = ost->st->codec;
785 double sync_ipts, delta;
788 InputStream *ist = NULL;
790 if (ost->source_index >= 0)
791 ist = input_streams[ost->source_index];
793 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
794 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
796 sync_ipts = in_picture->pts;
797 delta = sync_ipts - ost->sync_opts + duration;
799 /* by default, we output a single frame */
802 format_video_sync = video_sync_method;
803 if (format_video_sync == VSYNC_AUTO)
804 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
806 switch (format_video_sync) {
808 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
811 else if (delta > 1.1)
812 nb_frames = lrintf(delta);
817 else if (delta > 0.6)
818 ost->sync_opts = lrint(sync_ipts);
821 case VSYNC_PASSTHROUGH:
822 ost->sync_opts = lrint(sync_ipts);
828 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
829 if (nb_frames == 0) {
831 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
833 } else if (nb_frames > 1) {
834 if (nb_frames > dts_error_threshold * 30) {
835 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
839 nb_frames_dup += nb_frames - 1;
840 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
843 /* duplicates frame if needed */
844 for (i = 0; i < nb_frames; i++) {
845 av_init_packet(&pkt);
849 in_picture->pts = ost->sync_opts;
851 if (!check_recording_time(ost))
854 if (s->oformat->flags & AVFMT_RAWPICTURE &&
855 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
856 /* raw pictures are written as AVPicture structure to
857 avoid any copies. We support temporarily the older
859 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
860 enc->coded_frame->top_field_first = in_picture->top_field_first;
861 if (enc->coded_frame->interlaced_frame)
862 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
864 enc->field_order = AV_FIELD_PROGRESSIVE;
865 pkt.data = (uint8_t *)in_picture;
866 pkt.size = sizeof(AVPicture);
867 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
868 pkt.flags |= AV_PKT_FLAG_KEY;
870 video_size += pkt.size;
871 write_frame(s, &pkt, ost);
873 int got_packet, forced_keyframe = 0;
876 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
877 ost->top_field_first >= 0)
878 in_picture->top_field_first = !!ost->top_field_first;
880 if (in_picture->interlaced_frame) {
881 if (enc->codec->id == AV_CODEC_ID_MJPEG)
882 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
884 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
886 enc->field_order = AV_FIELD_PROGRESSIVE;
888 in_picture->quality = ost->st->codec->global_quality;
889 if (!enc->me_threshold)
890 in_picture->pict_type = 0;
892 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
893 in_picture->pts * av_q2d(enc->time_base) : NAN;
894 if (ost->forced_kf_index < ost->forced_kf_count &&
895 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
896 ost->forced_kf_index++;
898 } else if (ost->forced_keyframes_pexpr) {
900 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
901 res = av_expr_eval(ost->forced_keyframes_pexpr,
902 ost->forced_keyframes_expr_const_values, NULL);
903 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
904 ost->forced_keyframes_expr_const_values[FKF_N],
905 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
906 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
907 ost->forced_keyframes_expr_const_values[FKF_T],
908 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
912 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
913 ost->forced_keyframes_expr_const_values[FKF_N];
914 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
915 ost->forced_keyframes_expr_const_values[FKF_T];
916 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
919 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
921 if (forced_keyframe) {
922 in_picture->pict_type = AV_PICTURE_TYPE_I;
923 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
926 update_benchmark(NULL);
927 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
928 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
930 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
935 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
936 pkt.pts = ost->sync_opts;
938 if (pkt.pts != AV_NOPTS_VALUE)
939 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
940 if (pkt.dts != AV_NOPTS_VALUE)
941 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
944 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
945 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
946 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
947 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
950 frame_size = pkt.size;
951 video_size += pkt.size;
952 write_frame(s, &pkt, ost);
953 av_free_packet(&pkt);
955 /* if two pass, output log */
956 if (ost->logfile && enc->stats_out) {
957 fprintf(ost->logfile, "%s", enc->stats_out);
963 * For video, number of frames in == number of packets out.
964 * But there may be reordering, so we can't throw away frames on encoder
965 * flush, we need to limit them here, before they go into encoder.
969 if (vstats_filename && frame_size)
970 do_video_stats(ost, frame_size);
974 static double psnr(double d)
976 return -10.0 * log(d) / log(10.0);
979 static void do_video_stats(OutputStream *ost, int frame_size)
983 double ti1, bitrate, avg_bitrate;
985 /* this is executed just the first time do_video_stats is called */
987 vstats_file = fopen(vstats_filename, "w");
994 enc = ost->st->codec;
995 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
996 frame_number = ost->st->nb_frames;
997 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
998 if (enc->flags&CODEC_FLAG_PSNR)
999 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1001 fprintf(vstats_file,"f_size= %6d ", frame_size);
1002 /* compute pts value */
1003 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1007 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1008 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1009 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1010 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1011 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1016 * Get and encode new output from any of the filtergraphs, without causing
1019 * @return 0 for success, <0 for severe errors
1021 static int reap_filters(void)
1023 AVFrame *filtered_frame = NULL;
1027 /* Reap all buffers present in the buffer sinks */
1028 for (i = 0; i < nb_output_streams; i++) {
1029 OutputStream *ost = output_streams[i];
1030 OutputFile *of = output_files[ost->file_index];
1036 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1037 return AVERROR(ENOMEM);
1039 avcodec_get_frame_defaults(ost->filtered_frame);
1040 filtered_frame = ost->filtered_frame;
1043 ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame,
1044 AV_BUFFERSINK_FLAG_NO_REQUEST);
1046 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1047 av_log(NULL, AV_LOG_WARNING,
1048 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1052 frame_pts = AV_NOPTS_VALUE;
1053 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1054 filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts,
1055 ost->filter->filter->inputs[0]->time_base,
1056 ost->st->codec->time_base) -
1057 av_rescale_q(of->start_time,
1059 ost->st->codec->time_base);
1061 if (of->start_time && filtered_frame->pts < 0) {
1062 av_frame_unref(filtered_frame);
1066 //if (ost->source_index >= 0)
1067 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1070 switch (ost->filter->filter->inputs[0]->type) {
1071 case AVMEDIA_TYPE_VIDEO:
1072 filtered_frame->pts = frame_pts;
1073 if (!ost->frame_aspect_ratio.num)
1074 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1076 do_video_out(of->ctx, ost, filtered_frame);
1078 case AVMEDIA_TYPE_AUDIO:
1079 filtered_frame->pts = frame_pts;
1080 if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1081 ost->st->codec->channels != av_frame_get_channels(filtered_frame)) {
1082 av_log(NULL, AV_LOG_ERROR,
1083 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1086 do_audio_out(of->ctx, ost, filtered_frame);
1089 // TODO support subtitle filters
1093 av_frame_unref(filtered_frame);
1100 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1103 AVBPrint buf_script;
1105 AVFormatContext *oc;
1107 AVCodecContext *enc;
1108 int frame_number, vid, i;
1110 int64_t pts = INT64_MIN;
1111 static int64_t last_time = -1;
1112 static int qp_histogram[52];
1113 int hours, mins, secs, us;
1115 if (!print_stats && !is_last_report && !progress_avio)
1118 if (!is_last_report) {
1119 if (last_time == -1) {
1120 last_time = cur_time;
1123 if ((cur_time - last_time) < 500000)
1125 last_time = cur_time;
1129 oc = output_files[0]->ctx;
1131 total_size = avio_size(oc->pb);
1132 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1133 total_size = avio_tell(oc->pb);
1137 av_bprint_init(&buf_script, 0, 1);
1138 for (i = 0; i < nb_output_streams; i++) {
1140 ost = output_streams[i];
1141 enc = ost->st->codec;
1142 if (!ost->stream_copy && enc->coded_frame)
1143 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1144 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1145 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1146 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1147 ost->file_index, ost->index, q);
1149 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1150 float fps, t = (cur_time-timer_start) / 1000000.0;
1152 frame_number = ost->frame_number;
1153 fps = t > 1 ? frame_number / t : 0;
1154 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1155 frame_number, fps < 9.95, fps, q);
1156 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1157 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1158 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1159 ost->file_index, ost->index, q);
1161 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1165 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1167 for (j = 0; j < 32; j++)
1168 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1170 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1172 double error, error_sum = 0;
1173 double scale, scale_sum = 0;
1175 char type[3] = { 'Y','U','V' };
1176 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1177 for (j = 0; j < 3; j++) {
1178 if (is_last_report) {
1179 error = enc->error[j];
1180 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1182 error = enc->coded_frame->error[j];
1183 scale = enc->width * enc->height * 255.0 * 255.0;
1189 p = psnr(error / scale);
1190 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1191 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1192 ost->file_index, ost->index, type[j] | 32, p);
1194 p = psnr(error_sum / scale_sum);
1195 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1196 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1197 ost->file_index, ost->index, p);
1201 /* compute min output value */
1202 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1203 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1204 ost->st->time_base, AV_TIME_BASE_Q));
1207 secs = pts / AV_TIME_BASE;
1208 us = pts % AV_TIME_BASE;
1214 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1216 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1218 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1219 "size=%8.0fkB time=", total_size / 1024.0);
1220 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1221 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1222 (100 * us) / AV_TIME_BASE);
1223 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1225 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1226 "bitrate=%6.1fkbits/s", bitrate);
1227 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1228 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1229 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1230 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1231 hours, mins, secs, us);
1233 if (nb_frames_dup || nb_frames_drop)
1234 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1235 nb_frames_dup, nb_frames_drop);
1236 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1237 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1239 if (print_stats || is_last_report) {
1240 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1241 fprintf(stderr, "%s \r", buf);
1243 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1248 if (progress_avio) {
1249 av_bprintf(&buf_script, "progress=%s\n",
1250 is_last_report ? "end" : "continue");
1251 avio_write(progress_avio, buf_script.str,
1252 FFMIN(buf_script.len, buf_script.size - 1));
1253 avio_flush(progress_avio);
1254 av_bprint_finalize(&buf_script, NULL);
1255 if (is_last_report) {
1256 avio_close(progress_avio);
1257 progress_avio = NULL;
1261 if (is_last_report) {
1262 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1263 av_log(NULL, AV_LOG_INFO, "\n");
1264 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1265 video_size / 1024.0,
1266 audio_size / 1024.0,
1267 subtitle_size / 1024.0,
1268 extra_size / 1024.0,
1269 100.0 * (total_size - raw) / raw
1271 if(video_size + audio_size + subtitle_size + extra_size == 0){
1272 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1277 static void flush_encoders(void)
1281 for (i = 0; i < nb_output_streams; i++) {
1282 OutputStream *ost = output_streams[i];
1283 AVCodecContext *enc = ost->st->codec;
1284 AVFormatContext *os = output_files[ost->file_index]->ctx;
1285 int stop_encoding = 0;
1287 if (!ost->encoding_needed)
1290 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1292 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1296 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1300 switch (ost->st->codec->codec_type) {
1301 case AVMEDIA_TYPE_AUDIO:
1302 encode = avcodec_encode_audio2;
1306 case AVMEDIA_TYPE_VIDEO:
1307 encode = avcodec_encode_video2;
1318 av_init_packet(&pkt);
1322 update_benchmark(NULL);
1323 ret = encode(enc, &pkt, NULL, &got_packet);
1324 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1326 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1330 if (ost->logfile && enc->stats_out) {
1331 fprintf(ost->logfile, "%s", enc->stats_out);
1337 if (pkt.pts != AV_NOPTS_VALUE)
1338 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1339 if (pkt.dts != AV_NOPTS_VALUE)
1340 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1341 if (pkt.duration > 0)
1342 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1343 write_frame(os, &pkt, ost);
1344 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1345 do_video_stats(ost, pkt.size);
1356 * Check whether a packet from ist should be written into ost at this time
1358 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1360 OutputFile *of = output_files[ost->file_index];
1361 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1363 if (ost->source_index != ist_index)
1366 if (of->start_time && ist->pts < of->start_time)
1372 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1374 OutputFile *of = output_files[ost->file_index];
1375 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1379 av_init_packet(&opkt);
1381 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1382 !ost->copy_initial_nonkeyframes)
1385 if (!ost->frame_number && ist->pts < of->start_time &&
1386 !ost->copy_prior_start)
1389 if (of->recording_time != INT64_MAX &&
1390 ist->pts >= of->recording_time + of->start_time) {
1391 close_output_stream(ost);
1395 /* force the input stream PTS */
1396 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1397 audio_size += pkt->size;
1398 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1399 video_size += pkt->size;
1401 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1402 subtitle_size += pkt->size;
1405 if (pkt->pts != AV_NOPTS_VALUE)
1406 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1408 opkt.pts = AV_NOPTS_VALUE;
1410 if (pkt->dts == AV_NOPTS_VALUE)
1411 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1413 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1414 opkt.dts -= ost_tb_start_time;
1416 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1417 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1419 duration = ist->st->codec->frame_size;
1420 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1421 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1422 ost->st->time_base) - ost_tb_start_time;
1425 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1426 opkt.flags = pkt->flags;
1428 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1429 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1430 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1431 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1432 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1434 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
1435 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1440 opkt.data = pkt->data;
1441 opkt.size = pkt->size;
1444 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1445 /* store AVPicture in AVPacket, as expected by the output format */
1446 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1447 opkt.data = (uint8_t *)&pict;
1448 opkt.size = sizeof(AVPicture);
1449 opkt.flags |= AV_PKT_FLAG_KEY;
1452 write_frame(of->ctx, &opkt, ost);
1453 ost->st->codec->frame_number++;
1456 static void rate_emu_sleep(InputStream *ist)
1458 if (input_files[ist->file_index]->rate_emu) {
1459 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1460 int64_t now = av_gettime() - ist->start;
1462 av_usleep(pts - now);
1466 int guess_input_channel_layout(InputStream *ist)
1468 AVCodecContext *dec = ist->st->codec;
1470 if (!dec->channel_layout) {
1471 char layout_name[256];
1473 if (dec->channels > ist->guess_layout_max)
1475 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1476 if (!dec->channel_layout)
1478 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1479 dec->channels, dec->channel_layout);
1480 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1481 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1486 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1488 AVFrame *decoded_frame, *f;
1489 AVCodecContext *avctx = ist->st->codec;
1490 int i, ret, err = 0, resample_changed;
1491 AVRational decoded_frame_tb;
1493 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1494 return AVERROR(ENOMEM);
1495 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1496 return AVERROR(ENOMEM);
1497 decoded_frame = ist->decoded_frame;
1499 update_benchmark(NULL);
1500 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1501 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1503 if (ret >= 0 && avctx->sample_rate <= 0) {
1504 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1505 ret = AVERROR_INVALIDDATA;
1508 if (*got_output || ret<0 || pkt->size)
1509 decode_error_stat[ret<0] ++;
1511 if (!*got_output || ret < 0) {
1513 for (i = 0; i < ist->nb_filters; i++)
1515 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1517 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1524 /* increment next_dts to use for the case where the input stream does not
1525 have timestamps or there are multiple frames in the packet */
1526 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1528 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1532 rate_emu_sleep(ist);
1534 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1535 ist->resample_channels != avctx->channels ||
1536 ist->resample_channel_layout != decoded_frame->channel_layout ||
1537 ist->resample_sample_rate != decoded_frame->sample_rate;
1538 if (resample_changed) {
1539 char layout1[64], layout2[64];
1541 if (!guess_input_channel_layout(ist)) {
1542 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1543 "layout for Input Stream #%d.%d\n", ist->file_index,
1547 decoded_frame->channel_layout = avctx->channel_layout;
1549 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1550 ist->resample_channel_layout);
1551 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1552 decoded_frame->channel_layout);
1554 av_log(NULL, AV_LOG_INFO,
1555 "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",
1556 ist->file_index, ist->st->index,
1557 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1558 ist->resample_channels, layout1,
1559 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1560 avctx->channels, layout2);
1562 ist->resample_sample_fmt = decoded_frame->format;
1563 ist->resample_sample_rate = decoded_frame->sample_rate;
1564 ist->resample_channel_layout = decoded_frame->channel_layout;
1565 ist->resample_channels = avctx->channels;
1567 for (i = 0; i < nb_filtergraphs; i++)
1568 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1569 FilterGraph *fg = filtergraphs[i];
1571 if (configure_filtergraph(fg) < 0) {
1572 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1575 for (j = 0; j < fg->nb_outputs; j++) {
1576 OutputStream *ost = fg->outputs[j]->ost;
1577 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1578 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1579 av_buffersink_set_frame_size(ost->filter->filter,
1580 ost->st->codec->frame_size);
1585 /* if the decoder provides a pts, use it instead of the last packet pts.
1586 the decoder could be delaying output by a packet or more. */
1587 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1588 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1589 decoded_frame_tb = avctx->time_base;
1590 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1591 decoded_frame->pts = decoded_frame->pkt_pts;
1592 pkt->pts = AV_NOPTS_VALUE;
1593 decoded_frame_tb = ist->st->time_base;
1594 } else if (pkt->pts != AV_NOPTS_VALUE) {
1595 decoded_frame->pts = pkt->pts;
1596 pkt->pts = AV_NOPTS_VALUE;
1597 decoded_frame_tb = ist->st->time_base;
1599 decoded_frame->pts = ist->dts;
1600 decoded_frame_tb = AV_TIME_BASE_Q;
1602 if (decoded_frame->pts != AV_NOPTS_VALUE)
1603 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1604 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1605 (AVRational){1, ist->st->codec->sample_rate});
1606 for (i = 0; i < ist->nb_filters; i++) {
1607 if (i < ist->nb_filters - 1) {
1608 f = ist->filter_frame;
1609 err = av_frame_ref(f, decoded_frame);
1614 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1615 AV_BUFFERSRC_FLAG_PUSH);
1619 decoded_frame->pts = AV_NOPTS_VALUE;
1621 av_frame_unref(ist->filter_frame);
1622 av_frame_unref(decoded_frame);
1623 return err < 0 ? err : ret;
1626 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1628 AVFrame *decoded_frame, *f;
1629 void *buffer_to_free = NULL;
1630 int i, ret = 0, err = 0, resample_changed;
1631 int64_t best_effort_timestamp;
1632 AVRational *frame_sample_aspect;
1634 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1635 return AVERROR(ENOMEM);
1636 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1637 return AVERROR(ENOMEM);
1638 decoded_frame = ist->decoded_frame;
1639 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1641 update_benchmark(NULL);
1642 ret = avcodec_decode_video2(ist->st->codec,
1643 decoded_frame, got_output, pkt);
1644 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1646 if (*got_output || ret<0 || pkt->size)
1647 decode_error_stat[ret<0] ++;
1649 if (!*got_output || ret < 0) {
1651 for (i = 0; i < ist->nb_filters; i++)
1653 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1655 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1661 if(ist->top_field_first>=0)
1662 decoded_frame->top_field_first = ist->top_field_first;
1664 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1665 if(best_effort_timestamp != AV_NOPTS_VALUE)
1666 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1669 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1670 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1671 ist->st->index, av_ts2str(decoded_frame->pts),
1672 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1673 best_effort_timestamp,
1674 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1675 decoded_frame->key_frame, decoded_frame->pict_type);
1680 rate_emu_sleep(ist);
1682 if (ist->st->sample_aspect_ratio.num)
1683 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1685 resample_changed = ist->resample_width != decoded_frame->width ||
1686 ist->resample_height != decoded_frame->height ||
1687 ist->resample_pix_fmt != decoded_frame->format;
1688 if (resample_changed) {
1689 av_log(NULL, AV_LOG_INFO,
1690 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1691 ist->file_index, ist->st->index,
1692 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1693 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1695 ist->resample_width = decoded_frame->width;
1696 ist->resample_height = decoded_frame->height;
1697 ist->resample_pix_fmt = decoded_frame->format;
1699 for (i = 0; i < nb_filtergraphs; i++) {
1700 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1701 configure_filtergraph(filtergraphs[i]) < 0) {
1702 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1708 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1709 for (i = 0; i < ist->nb_filters; i++) {
1710 if (!frame_sample_aspect->num)
1711 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1713 if (i < ist->nb_filters - 1) {
1714 f = ist->filter_frame;
1715 err = av_frame_ref(f, decoded_frame);
1720 if(av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1721 AV_BUFFERSRC_FLAG_PUSH)<0) {
1722 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
1728 av_frame_unref(ist->filter_frame);
1729 av_frame_unref(decoded_frame);
1730 av_free(buffer_to_free);
1731 return err < 0 ? err : ret;
1734 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1736 AVSubtitle subtitle;
1737 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1738 &subtitle, got_output, pkt);
1740 if (*got_output || ret<0 || pkt->size)
1741 decode_error_stat[ret<0] ++;
1743 if (ret < 0 || !*got_output) {
1745 sub2video_flush(ist);
1749 if (ist->fix_sub_duration) {
1750 if (ist->prev_sub.got_output) {
1751 int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1752 1000, AV_TIME_BASE);
1753 if (end < ist->prev_sub.subtitle.end_display_time) {
1754 av_log(ist->st->codec, AV_LOG_DEBUG,
1755 "Subtitle duration reduced from %d to %d\n",
1756 ist->prev_sub.subtitle.end_display_time, end);
1757 ist->prev_sub.subtitle.end_display_time = end;
1760 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1761 FFSWAP(int, ret, ist->prev_sub.ret);
1762 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1765 sub2video_update(ist, &subtitle);
1767 if (!*got_output || !subtitle.num_rects)
1770 rate_emu_sleep(ist);
1772 for (i = 0; i < nb_output_streams; i++) {
1773 OutputStream *ost = output_streams[i];
1775 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1778 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1781 avsubtitle_free(&subtitle);
1785 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1786 static int output_packet(InputStream *ist, const AVPacket *pkt)
1792 if (!ist->saw_first_ts) {
1793 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;
1795 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1796 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1797 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1799 ist->saw_first_ts = 1;
1802 if (ist->next_dts == AV_NOPTS_VALUE)
1803 ist->next_dts = ist->dts;
1804 if (ist->next_pts == AV_NOPTS_VALUE)
1805 ist->next_pts = ist->pts;
1809 av_init_packet(&avpkt);
1817 if (pkt->dts != AV_NOPTS_VALUE) {
1818 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1819 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1820 ist->next_pts = ist->pts = ist->dts;
1823 // while we have more to decode or while the decoder did output something on EOF
1824 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1828 ist->pts = ist->next_pts;
1829 ist->dts = ist->next_dts;
1831 if (avpkt.size && avpkt.size != pkt->size) {
1832 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1833 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1834 ist->showed_multi_packet_warning = 1;
1837 switch (ist->st->codec->codec_type) {
1838 case AVMEDIA_TYPE_AUDIO:
1839 ret = decode_audio (ist, &avpkt, &got_output);
1841 case AVMEDIA_TYPE_VIDEO:
1842 ret = decode_video (ist, &avpkt, &got_output);
1843 if (avpkt.duration) {
1844 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1845 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1846 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1847 duration = ((int64_t)AV_TIME_BASE *
1848 ist->st->codec->time_base.num * ticks) /
1849 ist->st->codec->time_base.den;
1853 if(ist->dts != AV_NOPTS_VALUE && duration) {
1854 ist->next_dts += duration;
1856 ist->next_dts = AV_NOPTS_VALUE;
1859 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1861 case AVMEDIA_TYPE_SUBTITLE:
1862 ret = transcode_subtitles(ist, &avpkt, &got_output);
1872 avpkt.pts= AV_NOPTS_VALUE;
1874 // touch data and size only if not EOF
1876 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1886 /* handle stream copy */
1887 if (!ist->decoding_needed) {
1888 rate_emu_sleep(ist);
1889 ist->dts = ist->next_dts;
1890 switch (ist->st->codec->codec_type) {
1891 case AVMEDIA_TYPE_AUDIO:
1892 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1893 ist->st->codec->sample_rate;
1895 case AVMEDIA_TYPE_VIDEO:
1896 if (ist->framerate.num) {
1897 // TODO: Remove work-around for c99-to-c89 issue 7
1898 AVRational time_base_q = AV_TIME_BASE_Q;
1899 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
1900 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
1901 } else if (pkt->duration) {
1902 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1903 } else if(ist->st->codec->time_base.num != 0) {
1904 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1905 ist->next_dts += ((int64_t)AV_TIME_BASE *
1906 ist->st->codec->time_base.num * ticks) /
1907 ist->st->codec->time_base.den;
1911 ist->pts = ist->dts;
1912 ist->next_pts = ist->next_dts;
1914 for (i = 0; pkt && i < nb_output_streams; i++) {
1915 OutputStream *ost = output_streams[i];
1917 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1920 do_streamcopy(ist, ost, pkt);
1926 static void print_sdp(void)
1930 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1934 for (i = 0; i < nb_output_files; i++)
1935 avc[i] = output_files[i]->ctx;
1937 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1938 printf("SDP:\n%s\n", sdp);
1943 static int init_input_stream(int ist_index, char *error, int error_len)
1946 InputStream *ist = input_streams[ist_index];
1948 if (ist->decoding_needed) {
1949 AVCodec *codec = ist->dec;
1951 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1952 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1953 return AVERROR(EINVAL);
1956 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
1958 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1959 av_dict_set(&ist->opts, "threads", "auto", 0);
1960 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1961 if (ret == AVERROR_EXPERIMENTAL)
1962 abort_codec_experimental(codec, 0);
1963 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1964 ist->file_index, ist->st->index);
1967 assert_avoptions(ist->opts);
1970 ist->next_pts = AV_NOPTS_VALUE;
1971 ist->next_dts = AV_NOPTS_VALUE;
1977 static InputStream *get_input_stream(OutputStream *ost)
1979 if (ost->source_index >= 0)
1980 return input_streams[ost->source_index];
1984 static int compare_int64(const void *a, const void *b)
1986 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
1987 return va < vb ? -1 : va > vb ? +1 : 0;
1990 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1991 AVCodecContext *avctx)
1994 int n = 1, i, size, index = 0;
1997 for (p = kf; *p; p++)
2001 pts = av_malloc(sizeof(*pts) * size);
2003 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2008 for (i = 0; i < n; i++) {
2009 char *next = strchr(p, ',');
2014 if (!memcmp(p, "chapters", 8)) {
2016 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2019 if (avf->nb_chapters > INT_MAX - size ||
2020 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2022 av_log(NULL, AV_LOG_FATAL,
2023 "Could not allocate forced key frames array.\n");
2026 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2027 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2029 for (j = 0; j < avf->nb_chapters; j++) {
2030 AVChapter *c = avf->chapters[j];
2031 av_assert1(index < size);
2032 pts[index++] = av_rescale_q(c->start, c->time_base,
2033 avctx->time_base) + t;
2038 t = parse_time_or_die("force_key_frames", p, 1);
2039 av_assert1(index < size);
2040 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2047 av_assert0(index == size);
2048 qsort(pts, size, sizeof(*pts), compare_int64);
2049 ost->forced_kf_count = size;
2050 ost->forced_kf_pts = pts;
2053 static void report_new_stream(int input_index, AVPacket *pkt)
2055 InputFile *file = input_files[input_index];
2056 AVStream *st = file->ctx->streams[pkt->stream_index];
2058 if (pkt->stream_index < file->nb_streams_warn)
2060 av_log(file->ctx, AV_LOG_WARNING,
2061 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2062 av_get_media_type_string(st->codec->codec_type),
2063 input_index, pkt->stream_index,
2064 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2065 file->nb_streams_warn = pkt->stream_index + 1;
2068 static int transcode_init(void)
2070 int ret = 0, i, j, k;
2071 AVFormatContext *oc;
2072 AVCodecContext *codec;
2078 /* init framerate emulation */
2079 for (i = 0; i < nb_input_files; i++) {
2080 InputFile *ifile = input_files[i];
2081 if (ifile->rate_emu)
2082 for (j = 0; j < ifile->nb_streams; j++)
2083 input_streams[j + ifile->ist_index]->start = av_gettime();
2086 /* output stream init */
2087 for (i = 0; i < nb_output_files; i++) {
2088 oc = output_files[i]->ctx;
2089 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2090 av_dump_format(oc, i, oc->filename, 1);
2091 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2092 return AVERROR(EINVAL);
2096 /* init complex filtergraphs */
2097 for (i = 0; i < nb_filtergraphs; i++)
2098 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2101 /* for each output stream, we compute the right encoding parameters */
2102 for (i = 0; i < nb_output_streams; i++) {
2103 AVCodecContext *icodec = NULL;
2104 ost = output_streams[i];
2105 oc = output_files[ost->file_index]->ctx;
2106 ist = get_input_stream(ost);
2108 if (ost->attachment_filename)
2111 codec = ost->st->codec;
2114 icodec = ist->st->codec;
2116 ost->st->disposition = ist->st->disposition;
2117 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2118 codec->chroma_sample_location = icodec->chroma_sample_location;
2121 if (ost->stream_copy) {
2122 uint64_t extra_size;
2124 av_assert0(ist && !ost->filter);
2126 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2128 if (extra_size > INT_MAX) {
2129 return AVERROR(EINVAL);
2132 /* if stream_copy is selected, no need to decode or encode */
2133 codec->codec_id = icodec->codec_id;
2134 codec->codec_type = icodec->codec_type;
2136 if (!codec->codec_tag) {
2137 unsigned int codec_tag;
2138 if (!oc->oformat->codec_tag ||
2139 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2140 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2141 codec->codec_tag = icodec->codec_tag;
2144 codec->bit_rate = icodec->bit_rate;
2145 codec->rc_max_rate = icodec->rc_max_rate;
2146 codec->rc_buffer_size = icodec->rc_buffer_size;
2147 codec->field_order = icodec->field_order;
2148 codec->extradata = av_mallocz(extra_size);
2149 if (!codec->extradata) {
2150 return AVERROR(ENOMEM);
2152 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2153 codec->extradata_size= icodec->extradata_size;
2154 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2156 codec->time_base = ist->st->time_base;
2158 * Avi is a special case here because it supports variable fps but
2159 * having the fps and timebase differe significantly adds quite some
2162 if(!strcmp(oc->oformat->name, "avi")) {
2163 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2164 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2165 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2166 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2168 codec->time_base.num = ist->st->r_frame_rate.den;
2169 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2170 codec->ticks_per_frame = 2;
2171 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2172 && av_q2d(ist->st->time_base) < 1.0/500
2174 codec->time_base = icodec->time_base;
2175 codec->time_base.num *= icodec->ticks_per_frame;
2176 codec->time_base.den *= 2;
2177 codec->ticks_per_frame = 2;
2179 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2180 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2181 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2182 && strcmp(oc->oformat->name, "f4v")
2184 if( copy_tb<0 && icodec->time_base.den
2185 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2186 && av_q2d(ist->st->time_base) < 1.0/500
2188 codec->time_base = icodec->time_base;
2189 codec->time_base.num *= icodec->ticks_per_frame;
2192 if ( codec->codec_tag == AV_RL32("tmcd")
2193 && icodec->time_base.num < icodec->time_base.den
2194 && icodec->time_base.num > 0
2195 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2196 codec->time_base = icodec->time_base;
2199 if (ist && !ost->frame_rate.num)
2200 ost->frame_rate = ist->framerate;
2201 if(ost->frame_rate.num)
2202 codec->time_base = av_inv_q(ost->frame_rate);
2204 av_reduce(&codec->time_base.num, &codec->time_base.den,
2205 codec->time_base.num, codec->time_base.den, INT_MAX);
2207 switch (codec->codec_type) {
2208 case AVMEDIA_TYPE_AUDIO:
2209 if (audio_volume != 256) {
2210 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2213 codec->channel_layout = icodec->channel_layout;
2214 codec->sample_rate = icodec->sample_rate;
2215 codec->channels = icodec->channels;
2216 codec->frame_size = icodec->frame_size;
2217 codec->audio_service_type = icodec->audio_service_type;
2218 codec->block_align = icodec->block_align;
2219 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2220 codec->block_align= 0;
2221 if(codec->codec_id == AV_CODEC_ID_AC3)
2222 codec->block_align= 0;
2224 case AVMEDIA_TYPE_VIDEO:
2225 codec->pix_fmt = icodec->pix_fmt;
2226 codec->width = icodec->width;
2227 codec->height = icodec->height;
2228 codec->has_b_frames = icodec->has_b_frames;
2229 if (!codec->sample_aspect_ratio.num) {
2230 codec->sample_aspect_ratio =
2231 ost->st->sample_aspect_ratio =
2232 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2233 ist->st->codec->sample_aspect_ratio.num ?
2234 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2236 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2238 case AVMEDIA_TYPE_SUBTITLE:
2239 codec->width = icodec->width;
2240 codec->height = icodec->height;
2242 case AVMEDIA_TYPE_DATA:
2243 case AVMEDIA_TYPE_ATTACHMENT:
2250 ost->enc = avcodec_find_encoder(codec->codec_id);
2252 /* should only happen when a default codec is not present. */
2253 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2254 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2255 ret = AVERROR(EINVAL);
2260 ist->decoding_needed++;
2261 ost->encoding_needed = 1;
2264 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2265 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2267 fg = init_simple_filtergraph(ist, ost);
2268 if (configure_filtergraph(fg)) {
2269 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2274 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2275 if (ost->filter && !ost->frame_rate.num)
2276 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2277 if (ist && !ost->frame_rate.num)
2278 ost->frame_rate = ist->framerate;
2279 if (ist && !ost->frame_rate.num)
2280 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2281 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2282 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2283 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2284 ost->frame_rate = ost->enc->supported_framerates[idx];
2288 switch (codec->codec_type) {
2289 case AVMEDIA_TYPE_AUDIO:
2290 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2291 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2292 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2293 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2294 codec->time_base = (AVRational){ 1, codec->sample_rate };
2296 case AVMEDIA_TYPE_VIDEO:
2297 codec->time_base = av_inv_q(ost->frame_rate);
2298 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2299 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2300 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2301 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2302 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2303 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2305 for (j = 0; j < ost->forced_kf_count; j++)
2306 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2310 codec->width = ost->filter->filter->inputs[0]->w;
2311 codec->height = ost->filter->filter->inputs[0]->h;
2312 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2313 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2314 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2315 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2316 if (!strncmp(ost->enc->name, "libx264", 7) &&
2317 codec->pix_fmt == AV_PIX_FMT_NONE &&
2318 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2319 av_log(NULL, AV_LOG_INFO,
2320 "No pixel format specified, %s for H.264 encoding chosen.\n"
2321 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2322 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2323 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2326 codec->width != icodec->width ||
2327 codec->height != icodec->height ||
2328 codec->pix_fmt != icodec->pix_fmt) {
2329 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2332 if (ost->forced_keyframes) {
2333 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2334 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2335 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2337 av_log(NULL, AV_LOG_ERROR,
2338 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2341 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2342 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2343 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2344 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2346 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2350 case AVMEDIA_TYPE_SUBTITLE:
2351 codec->time_base = (AVRational){1, 1000};
2352 if (!codec->width) {
2353 codec->width = input_streams[ost->source_index]->st->codec->width;
2354 codec->height = input_streams[ost->source_index]->st->codec->height;
2362 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2363 char logfilename[1024];
2366 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2367 ost->logfile_prefix ? ost->logfile_prefix :
2368 DEFAULT_PASS_LOGFILENAME_PREFIX,
2370 if (!strcmp(ost->enc->name, "libx264")) {
2371 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2373 if (codec->flags & CODEC_FLAG_PASS2) {
2375 size_t logbuffer_size;
2376 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2377 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2381 codec->stats_in = logbuffer;
2383 if (codec->flags & CODEC_FLAG_PASS1) {
2384 f = fopen(logfilename, "wb");
2386 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2387 logfilename, strerror(errno));
2397 /* open each encoder */
2398 for (i = 0; i < nb_output_streams; i++) {
2399 ost = output_streams[i];
2400 if (ost->encoding_needed) {
2401 AVCodec *codec = ost->enc;
2402 AVCodecContext *dec = NULL;
2404 if ((ist = get_input_stream(ost)))
2405 dec = ist->st->codec;
2406 if (dec && dec->subtitle_header) {
2407 /* ASS code assumes this buffer is null terminated so add extra byte. */
2408 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2409 if (!ost->st->codec->subtitle_header) {
2410 ret = AVERROR(ENOMEM);
2413 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2414 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2416 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2417 av_dict_set(&ost->opts, "threads", "auto", 0);
2418 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2419 if (ret == AVERROR_EXPERIMENTAL)
2420 abort_codec_experimental(codec, 1);
2421 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2422 ost->file_index, ost->index);
2425 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2426 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2427 av_buffersink_set_frame_size(ost->filter->filter,
2428 ost->st->codec->frame_size);
2429 assert_avoptions(ost->opts);
2430 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2431 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2432 " It takes bits/s as argument, not kbits/s\n");
2433 extra_size += ost->st->codec->extradata_size;
2435 if (ost->st->codec->me_threshold)
2436 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2438 av_opt_set_dict(ost->st->codec, &ost->opts);
2442 /* init input streams */
2443 for (i = 0; i < nb_input_streams; i++)
2444 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2445 for (i = 0; i < nb_output_streams; i++) {
2446 ost = output_streams[i];
2447 avcodec_close(ost->st->codec);
2452 /* discard unused programs */
2453 for (i = 0; i < nb_input_files; i++) {
2454 InputFile *ifile = input_files[i];
2455 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2456 AVProgram *p = ifile->ctx->programs[j];
2457 int discard = AVDISCARD_ALL;
2459 for (k = 0; k < p->nb_stream_indexes; k++)
2460 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2461 discard = AVDISCARD_DEFAULT;
2464 p->discard = discard;
2468 /* open files and write file headers */
2469 for (i = 0; i < nb_output_files; i++) {
2470 oc = output_files[i]->ctx;
2471 oc->interrupt_callback = int_cb;
2472 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2474 const char *errbuf_ptr = errbuf;
2475 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2476 errbuf_ptr = strerror(AVUNERROR(ret));
2477 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2478 ret = AVERROR(EINVAL);
2481 // assert_avoptions(output_files[i]->opts);
2482 if (strcmp(oc->oformat->name, "rtp")) {
2488 /* dump the file output parameters - cannot be done before in case
2490 for (i = 0; i < nb_output_files; i++) {
2491 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2494 /* dump the stream mapping */
2495 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2496 for (i = 0; i < nb_input_streams; i++) {
2497 ist = input_streams[i];
2499 for (j = 0; j < ist->nb_filters; j++) {
2500 if (ist->filters[j]->graph->graph_desc) {
2501 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2502 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2503 ist->filters[j]->name);
2504 if (nb_filtergraphs > 1)
2505 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2506 av_log(NULL, AV_LOG_INFO, "\n");
2511 for (i = 0; i < nb_output_streams; i++) {
2512 ost = output_streams[i];
2514 if (ost->attachment_filename) {
2515 /* an attached file */
2516 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2517 ost->attachment_filename, ost->file_index, ost->index);
2521 if (ost->filter && ost->filter->graph->graph_desc) {
2522 /* output from a complex graph */
2523 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2524 if (nb_filtergraphs > 1)
2525 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2527 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2528 ost->index, ost->enc ? ost->enc->name : "?");
2532 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2533 input_streams[ost->source_index]->file_index,
2534 input_streams[ost->source_index]->st->index,
2537 if (ost->sync_ist != input_streams[ost->source_index])
2538 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2539 ost->sync_ist->file_index,
2540 ost->sync_ist->st->index);
2541 if (ost->stream_copy)
2542 av_log(NULL, AV_LOG_INFO, " (copy)");
2544 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2545 input_streams[ost->source_index]->dec->name : "?",
2546 ost->enc ? ost->enc->name : "?");
2547 av_log(NULL, AV_LOG_INFO, "\n");
2551 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2562 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2563 static int need_output(void)
2567 for (i = 0; i < nb_output_streams; i++) {
2568 OutputStream *ost = output_streams[i];
2569 OutputFile *of = output_files[ost->file_index];
2570 AVFormatContext *os = output_files[ost->file_index]->ctx;
2572 if (ost->finished ||
2573 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2575 if (ost->frame_number >= ost->max_frames) {
2577 for (j = 0; j < of->ctx->nb_streams; j++)
2578 close_output_stream(output_streams[of->ost_index + j]);
2589 * Select the output stream to process.
2591 * @return selected output stream, or NULL if none available
2593 static OutputStream *choose_output(void)
2596 int64_t opts_min = INT64_MAX;
2597 OutputStream *ost_min = NULL;
2599 for (i = 0; i < nb_output_streams; i++) {
2600 OutputStream *ost = output_streams[i];
2601 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2603 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2611 static int check_keyboard_interaction(int64_t cur_time)
2614 static int64_t last_time;
2615 if (received_nb_signals)
2616 return AVERROR_EXIT;
2617 /* read_key() returns 0 on EOF */
2618 if(cur_time - last_time >= 100000 && !run_as_daemon){
2620 last_time = cur_time;
2624 return AVERROR_EXIT;
2625 if (key == '+') av_log_set_level(av_log_get_level()+10);
2626 if (key == '-') av_log_set_level(av_log_get_level()-10);
2627 if (key == 's') qp_hist ^= 1;
2630 do_hex_dump = do_pkt_dump = 0;
2631 } else if(do_pkt_dump){
2635 av_log_set_level(AV_LOG_DEBUG);
2637 if (key == 'c' || key == 'C'){
2638 char buf[4096], target[64], command[256], arg[256] = {0};
2641 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2643 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2648 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2649 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2650 target, time, command, arg);
2651 for (i = 0; i < nb_filtergraphs; i++) {
2652 FilterGraph *fg = filtergraphs[i];
2655 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2656 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2657 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2659 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2664 av_log(NULL, AV_LOG_ERROR,
2665 "Parse error, at least 3 arguments were expected, "
2666 "only %d given in string '%s'\n", n, buf);
2669 if (key == 'd' || key == 'D'){
2672 debug = input_streams[0]->st->codec->debug<<1;
2673 if(!debug) debug = 1;
2674 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2677 if(scanf("%d", &debug)!=1)
2678 fprintf(stderr,"error parsing debug value\n");
2679 for(i=0;i<nb_input_streams;i++) {
2680 input_streams[i]->st->codec->debug = debug;
2682 for(i=0;i<nb_output_streams;i++) {
2683 OutputStream *ost = output_streams[i];
2684 ost->st->codec->debug = debug;
2686 if(debug) av_log_set_level(AV_LOG_DEBUG);
2687 fprintf(stderr,"debug=%d\n", debug);
2690 fprintf(stderr, "key function\n"
2691 "? show this help\n"
2692 "+ increase verbosity\n"
2693 "- decrease verbosity\n"
2694 "c Send command to filtergraph\n"
2695 "D cycle through available debug modes\n"
2696 "h dump packets/hex press to cycle through the 3 states\n"
2698 "s Show QP histogram\n"
2705 static void *input_thread(void *arg)
2710 while (!transcoding_finished && ret >= 0) {
2712 ret = av_read_frame(f->ctx, &pkt);
2714 if (ret == AVERROR(EAGAIN)) {
2721 pthread_mutex_lock(&f->fifo_lock);
2722 while (!av_fifo_space(f->fifo))
2723 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2725 av_dup_packet(&pkt);
2726 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2728 pthread_mutex_unlock(&f->fifo_lock);
2735 static void free_input_threads(void)
2739 if (nb_input_files == 1)
2742 transcoding_finished = 1;
2744 for (i = 0; i < nb_input_files; i++) {
2745 InputFile *f = input_files[i];
2748 if (!f->fifo || f->joined)
2751 pthread_mutex_lock(&f->fifo_lock);
2752 while (av_fifo_size(f->fifo)) {
2753 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2754 av_free_packet(&pkt);
2756 pthread_cond_signal(&f->fifo_cond);
2757 pthread_mutex_unlock(&f->fifo_lock);
2759 pthread_join(f->thread, NULL);
2762 while (av_fifo_size(f->fifo)) {
2763 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2764 av_free_packet(&pkt);
2766 av_fifo_free(f->fifo);
2770 static int init_input_threads(void)
2774 if (nb_input_files == 1)
2777 for (i = 0; i < nb_input_files; i++) {
2778 InputFile *f = input_files[i];
2780 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2781 return AVERROR(ENOMEM);
2783 pthread_mutex_init(&f->fifo_lock, NULL);
2784 pthread_cond_init (&f->fifo_cond, NULL);
2786 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2787 return AVERROR(ret);
2792 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2796 pthread_mutex_lock(&f->fifo_lock);
2798 if (av_fifo_size(f->fifo)) {
2799 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2800 pthread_cond_signal(&f->fifo_cond);
2805 ret = AVERROR(EAGAIN);
2808 pthread_mutex_unlock(&f->fifo_lock);
2814 static int get_input_packet(InputFile *f, AVPacket *pkt)
2817 if (nb_input_files > 1)
2818 return get_input_packet_mt(f, pkt);
2820 return av_read_frame(f->ctx, pkt);
2823 static int got_eagain(void)
2826 for (i = 0; i < nb_output_streams; i++)
2827 if (output_streams[i]->unavailable)
2832 static void reset_eagain(void)
2835 for (i = 0; i < nb_input_files; i++)
2836 input_files[i]->eagain = 0;
2837 for (i = 0; i < nb_output_streams; i++)
2838 output_streams[i]->unavailable = 0;
2843 * - 0 -- one packet was read and processed
2844 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2845 * this function should be called again
2846 * - AVERROR_EOF -- this function should not be called again
2848 static int process_input(int file_index)
2850 InputFile *ifile = input_files[file_index];
2851 AVFormatContext *is;
2857 ret = get_input_packet(ifile, &pkt);
2859 if (ret == AVERROR(EAGAIN)) {
2864 if (ret != AVERROR_EOF) {
2865 print_error(is->filename, ret);
2869 ifile->eof_reached = 1;
2871 for (i = 0; i < ifile->nb_streams; i++) {
2872 ist = input_streams[ifile->ist_index + i];
2873 if (ist->decoding_needed)
2874 output_packet(ist, NULL);
2876 /* mark all outputs that don't go through lavfi as finished */
2877 for (j = 0; j < nb_output_streams; j++) {
2878 OutputStream *ost = output_streams[j];
2880 if (ost->source_index == ifile->ist_index + i &&
2881 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2882 close_output_stream(ost);
2886 return AVERROR(EAGAIN);
2892 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2893 is->streams[pkt.stream_index]);
2895 /* the following test is needed in case new streams appear
2896 dynamically in stream : we ignore them */
2897 if (pkt.stream_index >= ifile->nb_streams) {
2898 report_new_stream(file_index, &pkt);
2899 goto discard_packet;
2902 ist = input_streams[ifile->ist_index + pkt.stream_index];
2904 goto discard_packet;
2907 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2908 "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",
2909 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2910 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2911 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2912 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2913 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2914 av_ts2str(input_files[ist->file_index]->ts_offset),
2915 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
2918 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2919 int64_t stime, stime2;
2920 // Correcting starttime based on the enabled streams
2921 // 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.
2922 // so we instead do it here as part of discontinuity handling
2923 if ( ist->next_dts == AV_NOPTS_VALUE
2924 && ifile->ts_offset == -is->start_time
2925 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2926 int64_t new_start_time = INT64_MAX;
2927 for (i=0; i<is->nb_streams; i++) {
2928 AVStream *st = is->streams[i];
2929 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
2931 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
2933 if (new_start_time > is->start_time) {
2934 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
2935 ifile->ts_offset = -new_start_time;
2939 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2940 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
2941 ist->wrap_correction_done = 1;
2943 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2944 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
2945 ist->wrap_correction_done = 0;
2947 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2948 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
2949 ist->wrap_correction_done = 0;
2953 if (pkt.dts != AV_NOPTS_VALUE)
2954 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2955 if (pkt.pts != AV_NOPTS_VALUE)
2956 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2958 if (pkt.pts != AV_NOPTS_VALUE)
2959 pkt.pts *= ist->ts_scale;
2960 if (pkt.dts != AV_NOPTS_VALUE)
2961 pkt.dts *= ist->ts_scale;
2963 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
2964 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
2965 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2966 int64_t delta = pkt_dts - ifile->last_ts;
2967 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2968 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2969 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
2970 ifile->ts_offset -= delta;
2971 av_log(NULL, AV_LOG_DEBUG,
2972 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2973 delta, ifile->ts_offset);
2974 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2975 if (pkt.pts != AV_NOPTS_VALUE)
2976 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2980 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2982 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2983 int64_t delta = pkt_dts - ist->next_dts;
2984 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2985 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2986 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2987 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2988 pkt_dts+1<ist->pts){
2989 ifile->ts_offset -= delta;
2990 av_log(NULL, AV_LOG_DEBUG,
2991 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2992 delta, ifile->ts_offset);
2993 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2994 if (pkt.pts != AV_NOPTS_VALUE)
2995 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2998 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2999 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3001 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3002 pkt.dts = AV_NOPTS_VALUE;
3004 if (pkt.pts != AV_NOPTS_VALUE){
3005 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3006 delta = pkt_pts - ist->next_dts;
3007 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3008 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3010 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3011 pkt.pts = AV_NOPTS_VALUE;
3017 if (pkt.dts != AV_NOPTS_VALUE)
3018 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3021 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",
3022 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3023 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3024 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3025 av_ts2str(input_files[ist->file_index]->ts_offset),
3026 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3029 sub2video_heartbeat(ist, pkt.pts);
3031 ret = output_packet(ist, &pkt);
3034 av_strerror(ret, buf, sizeof(buf));
3035 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3036 ist->file_index, ist->st->index, buf);
3042 av_free_packet(&pkt);
3048 * Perform a step of transcoding for the specified filter graph.
3050 * @param[in] graph filter graph to consider
3051 * @param[out] best_ist input stream where a frame would allow to continue
3052 * @return 0 for success, <0 for error
3054 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3057 int nb_requests, nb_requests_max = 0;
3058 InputFilter *ifilter;
3062 ret = avfilter_graph_request_oldest(graph->graph);
3064 return reap_filters();
3066 if (ret == AVERROR_EOF) {
3067 ret = reap_filters();
3068 for (i = 0; i < graph->nb_outputs; i++)
3069 close_output_stream(graph->outputs[i]->ost);
3072 if (ret != AVERROR(EAGAIN))
3075 for (i = 0; i < graph->nb_inputs; i++) {
3076 ifilter = graph->inputs[i];
3078 if (input_files[ist->file_index]->eagain ||
3079 input_files[ist->file_index]->eof_reached)
3081 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3082 if (nb_requests > nb_requests_max) {
3083 nb_requests_max = nb_requests;
3089 for (i = 0; i < graph->nb_outputs; i++)
3090 graph->outputs[i]->ost->unavailable = 1;
3096 * Run a single step of transcoding.
3098 * @return 0 for success, <0 for error
3100 static int transcode_step(void)
3106 ost = choose_output();
3113 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3118 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3123 av_assert0(ost->source_index >= 0);
3124 ist = input_streams[ost->source_index];
3127 ret = process_input(ist->file_index);
3128 if (ret == AVERROR(EAGAIN)) {
3129 if (input_files[ist->file_index]->eagain)
3130 ost->unavailable = 1;
3134 return ret == AVERROR_EOF ? 0 : ret;
3136 return reap_filters();
3140 * The following code is the main loop of the file converter
3142 static int transcode(void)
3145 AVFormatContext *os;
3148 int64_t timer_start;
3150 ret = transcode_init();
3154 if (stdin_interaction) {
3155 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3158 timer_start = av_gettime();
3161 if ((ret = init_input_threads()) < 0)
3165 while (!received_sigterm) {
3166 int64_t cur_time= av_gettime();
3168 /* if 'q' pressed, exits */
3169 if (stdin_interaction)
3170 if (check_keyboard_interaction(cur_time) < 0)
3173 /* check if there's any stream where output is still needed */
3174 if (!need_output()) {
3175 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3179 ret = transcode_step();
3181 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3184 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3188 /* dump report by using the output first video and audio streams */
3189 print_report(0, timer_start, cur_time);
3192 free_input_threads();
3195 /* at the end of stream, we must flush the decoder buffers */
3196 for (i = 0; i < nb_input_streams; i++) {
3197 ist = input_streams[i];
3198 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3199 output_packet(ist, NULL);
3206 /* write the trailer if needed and close file */
3207 for (i = 0; i < nb_output_files; i++) {
3208 os = output_files[i]->ctx;
3209 av_write_trailer(os);
3212 /* dump report by using the first video and audio streams */
3213 print_report(1, timer_start, av_gettime());
3215 /* close each encoder */
3216 for (i = 0; i < nb_output_streams; i++) {
3217 ost = output_streams[i];
3218 if (ost->encoding_needed) {
3219 av_freep(&ost->st->codec->stats_in);
3220 avcodec_close(ost->st->codec);
3224 /* close each decoder */
3225 for (i = 0; i < nb_input_streams; i++) {
3226 ist = input_streams[i];
3227 if (ist->decoding_needed) {
3228 avcodec_close(ist->st->codec);
3237 free_input_threads();
3240 if (output_streams) {
3241 for (i = 0; i < nb_output_streams; i++) {
3242 ost = output_streams[i];
3244 if (ost->stream_copy)
3245 av_freep(&ost->st->codec->extradata);
3247 fclose(ost->logfile);
3248 ost->logfile = NULL;
3250 av_freep(&ost->st->codec->subtitle_header);
3251 av_free(ost->forced_kf_pts);
3252 av_dict_free(&ost->opts);
3253 av_dict_free(&ost->swr_opts);
3254 av_dict_free(&ost->resample_opts);
3262 static int64_t getutime(void)
3265 struct rusage rusage;
3267 getrusage(RUSAGE_SELF, &rusage);
3268 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3269 #elif HAVE_GETPROCESSTIMES
3271 FILETIME c, e, k, u;
3272 proc = GetCurrentProcess();
3273 GetProcessTimes(proc, &c, &e, &k, &u);
3274 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3276 return av_gettime();
3280 static int64_t getmaxrss(void)
3282 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3283 struct rusage rusage;
3284 getrusage(RUSAGE_SELF, &rusage);
3285 return (int64_t)rusage.ru_maxrss * 1024;
3286 #elif HAVE_GETPROCESSMEMORYINFO
3288 PROCESS_MEMORY_COUNTERS memcounters;
3289 proc = GetCurrentProcess();
3290 memcounters.cb = sizeof(memcounters);
3291 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3292 return memcounters.PeakPagefileUsage;
3298 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3302 int main(int argc, char **argv)
3307 atexit(exit_program);
3309 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3311 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3312 parse_loglevel(argc, argv, options);
3314 if(argc>1 && !strcmp(argv[1], "-d")){
3316 av_log_set_callback(log_callback_null);
3321 avcodec_register_all();
3323 avdevice_register_all();
3325 avfilter_register_all();
3327 avformat_network_init();
3329 show_banner(argc, argv, options);
3333 /* parse options and open all input/output files */
3334 ret = ffmpeg_parse_options(argc, argv);
3338 if (nb_output_files <= 0 && nb_input_files == 0) {
3340 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3344 /* file converter / grab */
3345 if (nb_output_files <= 0) {
3346 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3350 // if (nb_input_files == 0) {
3351 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3355 current_time = ti = getutime();
3356 if (transcode() < 0)
3358 ti = getutime() - ti;
3360 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3362 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3363 decode_error_stat[0], decode_error_stat[1]);
3364 if (2*decode_error_stat[0] < decode_error_stat[1])
3367 exit(received_nb_signals ? 255 : 0);