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/buffersrc.h"
68 # include "libavfilter/buffersink.h"
70 #if HAVE_SYS_RESOURCE_H
72 #include <sys/types.h>
73 #include <sys/resource.h>
74 #elif HAVE_GETPROCESSTIMES
77 #if HAVE_GETPROCESSMEMORYINFO
83 #include <sys/select.h>
88 #include <sys/ioctl.h>
102 #include "cmdutils.h"
104 #include "libavutil/avassert.h"
106 const char program_name[] = "ffmpeg";
107 const int program_birth_year = 2000;
109 static FILE *vstats_file;
111 const char *const forced_keyframes_const_names[] = {
120 static void do_video_stats(OutputStream *ost, int frame_size);
121 static int64_t getutime(void);
122 static int64_t getmaxrss(void);
124 static int run_as_daemon = 0;
125 static int64_t video_size = 0;
126 static int64_t audio_size = 0;
127 static int64_t subtitle_size = 0;
128 static int64_t extra_size = 0;
129 static int nb_frames_dup = 0;
130 static int nb_frames_drop = 0;
131 static int64_t decode_error_stat[2];
133 static int current_time;
134 AVIOContext *progress_avio = NULL;
136 static uint8_t *subtitle_out;
139 /* signal to input threads that they should exit; set by the main thread */
140 static int transcoding_finished;
143 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
145 InputStream **input_streams = NULL;
146 int nb_input_streams = 0;
147 InputFile **input_files = NULL;
148 int nb_input_files = 0;
150 OutputStream **output_streams = NULL;
151 int nb_output_streams = 0;
152 OutputFile **output_files = NULL;
153 int nb_output_files = 0;
155 FilterGraph **filtergraphs;
160 /* init terminal so that we can grab keys */
161 static struct termios oldtty;
162 static int restore_tty;
165 static void free_input_threads(void);
169 Convert subtitles to video with alpha to insert them in filter graphs.
170 This is a temporary solution until libavfilter gets real subtitles support.
173 static int sub2video_get_blank_frame(InputStream *ist)
176 AVFrame *frame = ist->sub2video.frame;
178 av_frame_unref(frame);
179 ist->sub2video.frame->width = ist->sub2video.w;
180 ist->sub2video.frame->height = ist->sub2video.h;
181 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
182 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
184 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
188 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
191 uint32_t *pal, *dst2;
195 if (r->type != SUBTITLE_BITMAP) {
196 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
199 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
200 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
204 dst += r->y * dst_linesize + r->x * 4;
205 src = r->pict.data[0];
206 pal = (uint32_t *)r->pict.data[1];
207 for (y = 0; y < r->h; y++) {
208 dst2 = (uint32_t *)dst;
210 for (x = 0; x < r->w; x++)
211 *(dst2++) = pal[*(src2++)];
213 src += r->pict.linesize[0];
217 static void sub2video_push_ref(InputStream *ist, int64_t pts)
219 AVFrame *frame = ist->sub2video.frame;
222 av_assert1(frame->data[0]);
223 ist->sub2video.last_pts = frame->pts = pts;
224 for (i = 0; i < ist->nb_filters; i++)
225 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
226 AV_BUFFERSRC_FLAG_KEEP_REF |
227 AV_BUFFERSRC_FLAG_PUSH);
230 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
232 int w = ist->sub2video.w, h = ist->sub2video.h;
233 AVFrame *frame = ist->sub2video.frame;
237 int64_t pts, end_pts;
242 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
243 AV_TIME_BASE_Q, ist->st->time_base);
244 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
245 AV_TIME_BASE_Q, ist->st->time_base);
246 num_rects = sub->num_rects;
248 pts = ist->sub2video.end_pts;
252 if (sub2video_get_blank_frame(ist) < 0) {
253 av_log(ist->st->codec, AV_LOG_ERROR,
254 "Impossible to get a blank canvas.\n");
257 dst = frame->data [0];
258 dst_linesize = frame->linesize[0];
259 for (i = 0; i < num_rects; i++)
260 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
261 sub2video_push_ref(ist, pts);
262 ist->sub2video.end_pts = end_pts;
265 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
267 InputFile *infile = input_files[ist->file_index];
271 /* When a frame is read from a file, examine all sub2video streams in
272 the same file and send the sub2video frame again. Otherwise, decoded
273 video frames could be accumulating in the filter graph while a filter
274 (possibly overlay) is desperately waiting for a subtitle frame. */
275 for (i = 0; i < infile->nb_streams; i++) {
276 InputStream *ist2 = input_streams[infile->ist_index + i];
277 if (!ist2->sub2video.frame)
279 /* subtitles seem to be usually muxed ahead of other streams;
280 if not, substracting a larger time here is necessary */
281 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
282 /* do not send the heartbeat frame if the subtitle is already ahead */
283 if (pts2 <= ist2->sub2video.last_pts)
285 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
286 sub2video_update(ist2, NULL);
287 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
288 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
290 sub2video_push_ref(ist2, pts2);
294 static void sub2video_flush(InputStream *ist)
298 for (i = 0; i < ist->nb_filters; i++)
299 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
302 /* end of sub2video hack */
306 av_log(NULL, AV_LOG_QUIET, "%s", "");
309 tcsetattr (0, TCSANOW, &oldtty);
313 static volatile int received_sigterm = 0;
314 static volatile int received_nb_signals = 0;
317 sigterm_handler(int sig)
319 received_sigterm = sig;
320 received_nb_signals++;
322 if(received_nb_signals > 3)
333 istty = isatty(0) && isatty(2);
335 if (istty && tcgetattr (0, &tty) == 0) {
340 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
341 |INLCR|IGNCR|ICRNL|IXON);
342 tty.c_oflag |= OPOST;
343 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
344 tty.c_cflag &= ~(CSIZE|PARENB);
349 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 avformat_network_deinit();
356 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
357 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
359 signal(SIGXCPU, sigterm_handler);
363 /* read a key without blocking */
364 static int read_key(void)
376 n = select(1, &rfds, NULL, NULL, &tv);
385 # if HAVE_PEEKNAMEDPIPE
387 static HANDLE input_handle;
390 input_handle = GetStdHandle(STD_INPUT_HANDLE);
391 is_pipe = !GetConsoleMode(input_handle, &dw);
394 if (stdin->_cnt > 0) {
399 /* When running under a GUI, you will end here. */
400 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
401 // input pipe may have been closed by the program that ran ffmpeg
419 static int decode_interrupt_cb(void *ctx)
421 return received_nb_signals > 1;
424 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
426 static void exit_program(void)
431 int maxrss = getmaxrss() / 1024;
432 printf("bench: maxrss=%ikB\n", maxrss);
435 for (i = 0; i < nb_filtergraphs; i++) {
436 avfilter_graph_free(&filtergraphs[i]->graph);
437 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
438 av_freep(&filtergraphs[i]->inputs[j]->name);
439 av_freep(&filtergraphs[i]->inputs[j]);
441 av_freep(&filtergraphs[i]->inputs);
442 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
443 av_freep(&filtergraphs[i]->outputs[j]->name);
444 av_freep(&filtergraphs[i]->outputs[j]);
446 av_freep(&filtergraphs[i]->outputs);
447 av_freep(&filtergraphs[i]->graph_desc);
448 av_freep(&filtergraphs[i]);
450 av_freep(&filtergraphs);
452 av_freep(&subtitle_out);
455 for (i = 0; i < nb_output_files; i++) {
456 AVFormatContext *s = output_files[i]->ctx;
457 if (s && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
459 avformat_free_context(s);
460 av_dict_free(&output_files[i]->opts);
461 av_freep(&output_files[i]);
463 for (i = 0; i < nb_output_streams; i++) {
464 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
466 AVBitStreamFilterContext *next = bsfc->next;
467 av_bitstream_filter_close(bsfc);
470 output_streams[i]->bitstream_filters = NULL;
471 avcodec_free_frame(&output_streams[i]->filtered_frame);
473 av_freep(&output_streams[i]->forced_keyframes);
474 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
475 av_freep(&output_streams[i]->avfilter);
476 av_freep(&output_streams[i]->logfile_prefix);
477 av_freep(&output_streams[i]);
480 free_input_threads();
482 for (i = 0; i < nb_input_files; i++) {
483 avformat_close_input(&input_files[i]->ctx);
484 av_freep(&input_files[i]);
486 for (i = 0; i < nb_input_streams; i++) {
487 av_frame_free(&input_streams[i]->decoded_frame);
488 av_frame_free(&input_streams[i]->filter_frame);
489 av_dict_free(&input_streams[i]->opts);
490 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
491 av_frame_free(&input_streams[i]->sub2video.frame);
492 av_freep(&input_streams[i]->filters);
493 av_freep(&input_streams[i]);
498 av_free(vstats_filename);
500 av_freep(&input_streams);
501 av_freep(&input_files);
502 av_freep(&output_streams);
503 av_freep(&output_files);
507 avformat_network_deinit();
509 if (received_sigterm) {
510 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
511 (int) received_sigterm);
515 void assert_avoptions(AVDictionary *m)
517 AVDictionaryEntry *t;
518 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
519 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
524 static void abort_codec_experimental(AVCodec *c, int encoder)
529 static void update_benchmark(const char *fmt, ...)
531 if (do_benchmark_all) {
532 int64_t t = getutime();
538 vsnprintf(buf, sizeof(buf), fmt, va);
540 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
546 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
548 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
549 AVCodecContext *avctx = ost->st->codec;
552 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
553 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
554 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
557 * Audio encoders may split the packets -- #frames in != #packets out.
558 * But there is no reordering, so we can limit the number of output packets
559 * by simply dropping them here.
560 * Counting encoded video frames needs to be done separately because of
561 * reordering, see do_video_out()
563 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
564 if (ost->frame_number >= ost->max_frames) {
572 AVPacket new_pkt = *pkt;
573 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
574 &new_pkt.data, &new_pkt.size,
575 pkt->data, pkt->size,
576 pkt->flags & AV_PKT_FLAG_KEY);
577 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
578 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
580 memcpy(t, new_pkt.data, new_pkt.size);
581 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
590 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
591 av_buffer_default_free, NULL, 0);
595 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
596 bsfc->filter->name, pkt->stream_index,
597 avctx->codec ? avctx->codec->name : "copy");
607 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
608 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
609 pkt->dts != AV_NOPTS_VALUE &&
610 ost->last_mux_dts != AV_NOPTS_VALUE) {
611 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
612 if (pkt->dts < max) {
613 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
614 av_log(s, loglevel, "Non-monotonous DTS in output stream "
615 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
616 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
618 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
621 av_log(s, loglevel, "changing to %"PRId64". This may result "
622 "in incorrect timestamps in the output file.\n",
624 if(pkt->pts >= pkt->dts)
625 pkt->pts = FFMAX(pkt->pts, max);
629 ost->last_mux_dts = pkt->dts;
631 pkt->stream_index = ost->index;
634 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
635 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
636 av_get_media_type_string(ost->st->codec->codec_type),
637 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
638 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
643 ret = av_interleaved_write_frame(s, pkt);
645 print_error("av_interleaved_write_frame()", ret);
650 static void close_output_stream(OutputStream *ost)
652 OutputFile *of = output_files[ost->file_index];
656 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
657 of->recording_time = FFMIN(of->recording_time, end);
661 static int check_recording_time(OutputStream *ost)
663 OutputFile *of = output_files[ost->file_index];
665 if (of->recording_time != INT64_MAX &&
666 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
667 AV_TIME_BASE_Q) >= 0) {
668 close_output_stream(ost);
674 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
677 AVCodecContext *enc = ost->st->codec;
681 av_init_packet(&pkt);
685 if (!check_recording_time(ost))
688 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
689 frame->pts = ost->sync_opts;
690 ost->sync_opts = frame->pts + frame->nb_samples;
692 av_assert0(pkt.size || !pkt.data);
693 update_benchmark(NULL);
694 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
695 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
698 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
701 if (pkt.pts != AV_NOPTS_VALUE)
702 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
703 if (pkt.dts != AV_NOPTS_VALUE)
704 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
705 if (pkt.duration > 0)
706 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
709 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
710 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
711 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
712 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
715 audio_size += pkt.size;
716 write_frame(s, &pkt, ost);
718 av_free_packet(&pkt);
722 static void do_subtitle_out(AVFormatContext *s,
727 int subtitle_out_max_size = 1024 * 1024;
728 int subtitle_out_size, nb, i;
733 if (sub->pts == AV_NOPTS_VALUE) {
734 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
740 enc = ost->st->codec;
743 subtitle_out = av_malloc(subtitle_out_max_size);
746 /* Note: DVB subtitle need one packet to draw them and one other
747 packet to clear them */
748 /* XXX: signal it in the codec context ? */
749 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
754 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
755 pts = sub->pts - output_files[ost->file_index]->start_time;
756 for (i = 0; i < nb; i++) {
757 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
758 if (!check_recording_time(ost))
762 // start_display_time is required to be 0
763 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
764 sub->end_display_time -= sub->start_display_time;
765 sub->start_display_time = 0;
768 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
769 subtitle_out_max_size, sub);
770 if (subtitle_out_size < 0) {
771 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
775 av_init_packet(&pkt);
776 pkt.data = subtitle_out;
777 pkt.size = subtitle_out_size;
778 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
779 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
780 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
781 /* XXX: the pts correction is handled here. Maybe handling
782 it in the codec would be better */
784 pkt.pts += 90 * sub->start_display_time;
786 pkt.pts += 90 * sub->end_display_time;
788 subtitle_size += pkt.size;
789 write_frame(s, &pkt, ost);
793 static void do_video_out(AVFormatContext *s,
797 int ret, format_video_sync;
799 AVCodecContext *enc = ost->st->codec;
801 double sync_ipts, delta;
804 InputStream *ist = NULL;
806 if (ost->source_index >= 0)
807 ist = input_streams[ost->source_index];
809 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
810 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
812 sync_ipts = in_picture->pts;
813 delta = sync_ipts - ost->sync_opts + duration;
815 /* by default, we output a single frame */
818 format_video_sync = video_sync_method;
819 if (format_video_sync == VSYNC_AUTO)
820 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
822 switch (format_video_sync) {
824 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
827 else if (delta > 1.1)
828 nb_frames = lrintf(delta);
833 else if (delta > 0.6)
834 ost->sync_opts = lrint(sync_ipts);
837 case VSYNC_PASSTHROUGH:
838 ost->sync_opts = lrint(sync_ipts);
844 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
845 if (nb_frames == 0) {
847 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
849 } else if (nb_frames > 1) {
850 if (nb_frames > dts_error_threshold * 30) {
851 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
855 nb_frames_dup += nb_frames - 1;
856 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
859 /* duplicates frame if needed */
860 for (i = 0; i < nb_frames; i++) {
861 av_init_packet(&pkt);
865 in_picture->pts = ost->sync_opts;
868 if (!check_recording_time(ost))
870 if (ost->frame_number >= ost->max_frames)
874 if (s->oformat->flags & AVFMT_RAWPICTURE &&
875 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
876 /* raw pictures are written as AVPicture structure to
877 avoid any copies. We support temporarily the older
879 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
880 enc->coded_frame->top_field_first = in_picture->top_field_first;
881 if (enc->coded_frame->interlaced_frame)
882 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
884 enc->field_order = AV_FIELD_PROGRESSIVE;
885 pkt.data = (uint8_t *)in_picture;
886 pkt.size = sizeof(AVPicture);
887 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
888 pkt.flags |= AV_PKT_FLAG_KEY;
890 video_size += pkt.size;
891 write_frame(s, &pkt, ost);
893 int got_packet, forced_keyframe = 0;
896 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
897 ost->top_field_first >= 0)
898 in_picture->top_field_first = !!ost->top_field_first;
900 if (in_picture->interlaced_frame) {
901 if (enc->codec->id == AV_CODEC_ID_MJPEG)
902 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
904 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
906 enc->field_order = AV_FIELD_PROGRESSIVE;
908 in_picture->quality = ost->st->codec->global_quality;
909 if (!enc->me_threshold)
910 in_picture->pict_type = 0;
912 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
913 in_picture->pts * av_q2d(enc->time_base) : NAN;
914 if (ost->forced_kf_index < ost->forced_kf_count &&
915 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
916 ost->forced_kf_index++;
918 } else if (ost->forced_keyframes_pexpr) {
920 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
921 res = av_expr_eval(ost->forced_keyframes_pexpr,
922 ost->forced_keyframes_expr_const_values, NULL);
923 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
924 ost->forced_keyframes_expr_const_values[FKF_N],
925 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
926 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
927 ost->forced_keyframes_expr_const_values[FKF_T],
928 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
932 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
933 ost->forced_keyframes_expr_const_values[FKF_N];
934 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
935 ost->forced_keyframes_expr_const_values[FKF_T];
936 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
939 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
941 if (forced_keyframe) {
942 in_picture->pict_type = AV_PICTURE_TYPE_I;
943 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
946 update_benchmark(NULL);
947 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
948 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
950 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
955 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
956 pkt.pts = ost->sync_opts;
958 if (pkt.pts != AV_NOPTS_VALUE)
959 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
960 if (pkt.dts != AV_NOPTS_VALUE)
961 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
964 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
965 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
966 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
967 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
970 frame_size = pkt.size;
971 video_size += pkt.size;
972 write_frame(s, &pkt, ost);
973 av_free_packet(&pkt);
975 /* if two pass, output log */
976 if (ost->logfile && enc->stats_out) {
977 fprintf(ost->logfile, "%s", enc->stats_out);
983 * For video, number of frames in == number of packets out.
984 * But there may be reordering, so we can't throw away frames on encoder
985 * flush, we need to limit them here, before they go into encoder.
989 if (vstats_filename && frame_size)
990 do_video_stats(ost, frame_size);
994 static double psnr(double d)
996 return -10.0 * log(d) / log(10.0);
999 static void do_video_stats(OutputStream *ost, int frame_size)
1001 AVCodecContext *enc;
1003 double ti1, bitrate, avg_bitrate;
1005 /* this is executed just the first time do_video_stats is called */
1007 vstats_file = fopen(vstats_filename, "w");
1014 enc = ost->st->codec;
1015 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1016 frame_number = ost->st->nb_frames;
1017 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1018 if (enc->flags&CODEC_FLAG_PSNR)
1019 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1021 fprintf(vstats_file,"f_size= %6d ", frame_size);
1022 /* compute pts value */
1023 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1027 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1028 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1029 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1030 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1031 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1036 * Get and encode new output from any of the filtergraphs, without causing
1039 * @return 0 for success, <0 for severe errors
1041 static int reap_filters(void)
1043 AVFrame *filtered_frame = NULL;
1047 /* Reap all buffers present in the buffer sinks */
1048 for (i = 0; i < nb_output_streams; i++) {
1049 OutputStream *ost = output_streams[i];
1050 OutputFile *of = output_files[ost->file_index];
1056 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1057 return AVERROR(ENOMEM);
1059 avcodec_get_frame_defaults(ost->filtered_frame);
1060 filtered_frame = ost->filtered_frame;
1063 ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame,
1064 AV_BUFFERSINK_FLAG_NO_REQUEST);
1066 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1067 av_log(NULL, AV_LOG_WARNING,
1068 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1072 frame_pts = AV_NOPTS_VALUE;
1073 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1074 filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts,
1075 ost->filter->filter->inputs[0]->time_base,
1076 ost->st->codec->time_base) -
1077 av_rescale_q(of->start_time,
1079 ost->st->codec->time_base);
1081 //if (ost->source_index >= 0)
1082 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1085 switch (ost->filter->filter->inputs[0]->type) {
1086 case AVMEDIA_TYPE_VIDEO:
1087 filtered_frame->pts = frame_pts;
1088 if (!ost->frame_aspect_ratio.num)
1089 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1091 do_video_out(of->ctx, ost, filtered_frame);
1093 case AVMEDIA_TYPE_AUDIO:
1094 filtered_frame->pts = frame_pts;
1095 if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1096 ost->st->codec->channels != av_frame_get_channels(filtered_frame)) {
1097 av_log(NULL, AV_LOG_ERROR,
1098 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1101 do_audio_out(of->ctx, ost, filtered_frame);
1104 // TODO support subtitle filters
1108 av_frame_unref(filtered_frame);
1115 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1118 AVBPrint buf_script;
1120 AVFormatContext *oc;
1122 AVCodecContext *enc;
1123 int frame_number, vid, i;
1125 int64_t pts = INT64_MIN;
1126 static int64_t last_time = -1;
1127 static int qp_histogram[52];
1128 int hours, mins, secs, us;
1130 if (!print_stats && !is_last_report && !progress_avio)
1133 if (!is_last_report) {
1134 if (last_time == -1) {
1135 last_time = cur_time;
1138 if ((cur_time - last_time) < 500000)
1140 last_time = cur_time;
1144 oc = output_files[0]->ctx;
1146 total_size = avio_size(oc->pb);
1147 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1148 total_size = avio_tell(oc->pb);
1152 av_bprint_init(&buf_script, 0, 1);
1153 for (i = 0; i < nb_output_streams; i++) {
1155 ost = output_streams[i];
1156 enc = ost->st->codec;
1157 if (!ost->stream_copy && enc->coded_frame)
1158 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1159 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1161 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1162 ost->file_index, ost->index, q);
1164 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1165 float fps, t = (cur_time-timer_start) / 1000000.0;
1167 frame_number = ost->frame_number;
1168 fps = t > 1 ? frame_number / t : 0;
1169 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1170 frame_number, fps < 9.95, fps, q);
1171 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1172 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1173 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1174 ost->file_index, ost->index, q);
1176 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1180 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1182 for (j = 0; j < 32; j++)
1183 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1185 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1187 double error, error_sum = 0;
1188 double scale, scale_sum = 0;
1190 char type[3] = { 'Y','U','V' };
1191 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1192 for (j = 0; j < 3; j++) {
1193 if (is_last_report) {
1194 error = enc->error[j];
1195 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1197 error = enc->coded_frame->error[j];
1198 scale = enc->width * enc->height * 255.0 * 255.0;
1204 p = psnr(error / scale);
1205 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1206 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1207 ost->file_index, ost->index, type[j] | 32, p);
1209 p = psnr(error_sum / scale_sum);
1210 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1211 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1212 ost->file_index, ost->index, p);
1216 /* compute min output value */
1217 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1218 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1219 ost->st->time_base, AV_TIME_BASE_Q));
1222 secs = pts / AV_TIME_BASE;
1223 us = pts % AV_TIME_BASE;
1229 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1231 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1233 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1234 "size=%8.0fkB time=", total_size / 1024.0);
1235 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1236 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1237 (100 * us) / AV_TIME_BASE);
1238 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1240 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1241 "bitrate=%6.1fkbits/s", bitrate);
1242 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1243 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1244 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1245 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1246 hours, mins, secs, us);
1248 if (nb_frames_dup || nb_frames_drop)
1249 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1250 nb_frames_dup, nb_frames_drop);
1251 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1252 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1254 if (print_stats || is_last_report) {
1255 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1256 fprintf(stderr, "%s \r", buf);
1258 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1263 if (progress_avio) {
1264 av_bprintf(&buf_script, "progress=%s\n",
1265 is_last_report ? "end" : "continue");
1266 avio_write(progress_avio, buf_script.str,
1267 FFMIN(buf_script.len, buf_script.size - 1));
1268 avio_flush(progress_avio);
1269 av_bprint_finalize(&buf_script, NULL);
1270 if (is_last_report) {
1271 avio_close(progress_avio);
1272 progress_avio = NULL;
1276 if (is_last_report) {
1277 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1278 av_log(NULL, AV_LOG_INFO, "\n");
1279 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1280 video_size / 1024.0,
1281 audio_size / 1024.0,
1282 subtitle_size / 1024.0,
1283 extra_size / 1024.0,
1284 100.0 * (total_size - raw) / raw
1286 if(video_size + audio_size + subtitle_size + extra_size == 0){
1287 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1292 static void flush_encoders(void)
1296 for (i = 0; i < nb_output_streams; i++) {
1297 OutputStream *ost = output_streams[i];
1298 AVCodecContext *enc = ost->st->codec;
1299 AVFormatContext *os = output_files[ost->file_index]->ctx;
1300 int stop_encoding = 0;
1302 if (!ost->encoding_needed)
1305 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1307 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1311 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1315 switch (ost->st->codec->codec_type) {
1316 case AVMEDIA_TYPE_AUDIO:
1317 encode = avcodec_encode_audio2;
1321 case AVMEDIA_TYPE_VIDEO:
1322 encode = avcodec_encode_video2;
1333 av_init_packet(&pkt);
1337 update_benchmark(NULL);
1338 ret = encode(enc, &pkt, NULL, &got_packet);
1339 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1341 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1345 if (ost->logfile && enc->stats_out) {
1346 fprintf(ost->logfile, "%s", enc->stats_out);
1352 if (pkt.pts != AV_NOPTS_VALUE)
1353 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1354 if (pkt.dts != AV_NOPTS_VALUE)
1355 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1356 if (pkt.duration > 0)
1357 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1358 write_frame(os, &pkt, ost);
1359 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1360 do_video_stats(ost, pkt.size);
1371 * Check whether a packet from ist should be written into ost at this time
1373 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1375 OutputFile *of = output_files[ost->file_index];
1376 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1378 if (ost->source_index != ist_index)
1381 if (of->start_time && ist->pts < of->start_time)
1387 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1389 OutputFile *of = output_files[ost->file_index];
1390 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1394 av_init_packet(&opkt);
1396 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1397 !ost->copy_initial_nonkeyframes)
1400 if (!ost->frame_number && ist->pts < of->start_time &&
1401 !ost->copy_prior_start)
1404 if (of->recording_time != INT64_MAX &&
1405 ist->pts >= of->recording_time + of->start_time) {
1406 close_output_stream(ost);
1410 /* force the input stream PTS */
1411 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1412 audio_size += pkt->size;
1413 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1414 video_size += pkt->size;
1416 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1417 subtitle_size += pkt->size;
1420 if (pkt->pts != AV_NOPTS_VALUE)
1421 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1423 opkt.pts = AV_NOPTS_VALUE;
1425 if (pkt->dts == AV_NOPTS_VALUE)
1426 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1428 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1429 opkt.dts -= ost_tb_start_time;
1431 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1432 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1434 duration = ist->st->codec->frame_size;
1435 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1436 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1437 ost->st->time_base) - ost_tb_start_time;
1440 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1441 opkt.flags = pkt->flags;
1443 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1444 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1445 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1446 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1447 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1449 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
1450 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1455 opkt.data = pkt->data;
1456 opkt.size = pkt->size;
1459 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1460 /* store AVPicture in AVPacket, as expected by the output format */
1461 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1462 opkt.data = (uint8_t *)&pict;
1463 opkt.size = sizeof(AVPicture);
1464 opkt.flags |= AV_PKT_FLAG_KEY;
1467 write_frame(of->ctx, &opkt, ost);
1468 ost->st->codec->frame_number++;
1471 int guess_input_channel_layout(InputStream *ist)
1473 AVCodecContext *dec = ist->st->codec;
1475 if (!dec->channel_layout) {
1476 char layout_name[256];
1478 if (dec->channels > ist->guess_layout_max)
1480 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1481 if (!dec->channel_layout)
1483 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1484 dec->channels, dec->channel_layout);
1485 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1486 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1491 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1493 AVFrame *decoded_frame, *f;
1494 AVCodecContext *avctx = ist->st->codec;
1495 int i, ret, err = 0, resample_changed;
1496 AVRational decoded_frame_tb;
1498 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1499 return AVERROR(ENOMEM);
1500 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1501 return AVERROR(ENOMEM);
1502 decoded_frame = ist->decoded_frame;
1504 update_benchmark(NULL);
1505 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1506 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1508 if (ret >= 0 && avctx->sample_rate <= 0) {
1509 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1510 ret = AVERROR_INVALIDDATA;
1513 if (*got_output || ret<0 || pkt->size)
1514 decode_error_stat[ret<0] ++;
1516 if (!*got_output || ret < 0) {
1518 for (i = 0; i < ist->nb_filters; i++)
1520 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1522 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1529 /* increment next_dts to use for the case where the input stream does not
1530 have timestamps or there are multiple frames in the packet */
1531 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1533 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1537 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1538 ist->resample_channels != avctx->channels ||
1539 ist->resample_channel_layout != decoded_frame->channel_layout ||
1540 ist->resample_sample_rate != decoded_frame->sample_rate;
1541 if (resample_changed) {
1542 char layout1[64], layout2[64];
1544 if (!guess_input_channel_layout(ist)) {
1545 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1546 "layout for Input Stream #%d.%d\n", ist->file_index,
1550 decoded_frame->channel_layout = avctx->channel_layout;
1552 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1553 ist->resample_channel_layout);
1554 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1555 decoded_frame->channel_layout);
1557 av_log(NULL, AV_LOG_INFO,
1558 "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",
1559 ist->file_index, ist->st->index,
1560 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1561 ist->resample_channels, layout1,
1562 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1563 avctx->channels, layout2);
1565 ist->resample_sample_fmt = decoded_frame->format;
1566 ist->resample_sample_rate = decoded_frame->sample_rate;
1567 ist->resample_channel_layout = decoded_frame->channel_layout;
1568 ist->resample_channels = avctx->channels;
1570 for (i = 0; i < nb_filtergraphs; i++)
1571 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1572 FilterGraph *fg = filtergraphs[i];
1574 if (configure_filtergraph(fg) < 0) {
1575 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1578 for (j = 0; j < fg->nb_outputs; j++) {
1579 OutputStream *ost = fg->outputs[j]->ost;
1580 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1581 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1582 av_buffersink_set_frame_size(ost->filter->filter,
1583 ost->st->codec->frame_size);
1588 /* if the decoder provides a pts, use it instead of the last packet pts.
1589 the decoder could be delaying output by a packet or more. */
1590 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1591 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1592 decoded_frame_tb = avctx->time_base;
1593 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1594 decoded_frame->pts = decoded_frame->pkt_pts;
1595 pkt->pts = AV_NOPTS_VALUE;
1596 decoded_frame_tb = ist->st->time_base;
1597 } else if (pkt->pts != AV_NOPTS_VALUE) {
1598 decoded_frame->pts = pkt->pts;
1599 pkt->pts = AV_NOPTS_VALUE;
1600 decoded_frame_tb = ist->st->time_base;
1602 decoded_frame->pts = ist->dts;
1603 decoded_frame_tb = AV_TIME_BASE_Q;
1605 if (decoded_frame->pts != AV_NOPTS_VALUE)
1606 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1607 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1608 (AVRational){1, ist->st->codec->sample_rate});
1609 for (i = 0; i < ist->nb_filters; i++) {
1610 if (i < ist->nb_filters - 1) {
1611 f = ist->filter_frame;
1612 err = av_frame_ref(f, decoded_frame);
1617 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1618 AV_BUFFERSRC_FLAG_PUSH);
1622 decoded_frame->pts = AV_NOPTS_VALUE;
1624 av_frame_unref(ist->filter_frame);
1625 av_frame_unref(decoded_frame);
1626 return err < 0 ? err : ret;
1629 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1631 AVFrame *decoded_frame, *f;
1632 void *buffer_to_free = NULL;
1633 int i, ret = 0, err = 0, resample_changed;
1634 int64_t best_effort_timestamp;
1635 AVRational *frame_sample_aspect;
1637 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1638 return AVERROR(ENOMEM);
1639 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1640 return AVERROR(ENOMEM);
1641 decoded_frame = ist->decoded_frame;
1642 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1644 update_benchmark(NULL);
1645 ret = avcodec_decode_video2(ist->st->codec,
1646 decoded_frame, got_output, pkt);
1647 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1649 if (*got_output || ret<0 || pkt->size)
1650 decode_error_stat[ret<0] ++;
1652 if (!*got_output || ret < 0) {
1654 for (i = 0; i < ist->nb_filters; i++)
1656 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1658 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1664 if(ist->top_field_first>=0)
1665 decoded_frame->top_field_first = ist->top_field_first;
1667 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1668 if(best_effort_timestamp != AV_NOPTS_VALUE)
1669 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1672 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1673 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1674 ist->st->index, av_ts2str(decoded_frame->pts),
1675 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1676 best_effort_timestamp,
1677 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1678 decoded_frame->key_frame, decoded_frame->pict_type);
1683 if (ist->st->sample_aspect_ratio.num)
1684 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1686 resample_changed = ist->resample_width != decoded_frame->width ||
1687 ist->resample_height != decoded_frame->height ||
1688 ist->resample_pix_fmt != decoded_frame->format;
1689 if (resample_changed) {
1690 av_log(NULL, AV_LOG_INFO,
1691 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1692 ist->file_index, ist->st->index,
1693 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1694 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1696 ist->resample_width = decoded_frame->width;
1697 ist->resample_height = decoded_frame->height;
1698 ist->resample_pix_fmt = decoded_frame->format;
1700 for (i = 0; i < nb_filtergraphs; i++) {
1701 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1702 configure_filtergraph(filtergraphs[i]) < 0) {
1703 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1709 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1710 for (i = 0; i < ist->nb_filters; i++) {
1711 if (!frame_sample_aspect->num)
1712 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1714 if (i < ist->nb_filters - 1) {
1715 f = ist->filter_frame;
1716 err = av_frame_ref(f, decoded_frame);
1721 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1723 av_log(NULL, AV_LOG_FATAL,
1724 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1729 av_frame_unref(ist->filter_frame);
1730 av_frame_unref(decoded_frame);
1731 av_free(buffer_to_free);
1732 return err < 0 ? err : ret;
1735 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1737 AVSubtitle subtitle;
1738 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1739 &subtitle, got_output, pkt);
1741 if (*got_output || ret<0 || pkt->size)
1742 decode_error_stat[ret<0] ++;
1744 if (ret < 0 || !*got_output) {
1746 sub2video_flush(ist);
1750 if (ist->fix_sub_duration) {
1751 if (ist->prev_sub.got_output) {
1752 int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1753 1000, AV_TIME_BASE);
1754 if (end < ist->prev_sub.subtitle.end_display_time) {
1755 av_log(ist->st->codec, AV_LOG_DEBUG,
1756 "Subtitle duration reduced from %d to %d\n",
1757 ist->prev_sub.subtitle.end_display_time, end);
1758 ist->prev_sub.subtitle.end_display_time = end;
1761 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1762 FFSWAP(int, ret, ist->prev_sub.ret);
1763 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1766 sub2video_update(ist, &subtitle);
1768 if (!*got_output || !subtitle.num_rects)
1771 for (i = 0; i < nb_output_streams; i++) {
1772 OutputStream *ost = output_streams[i];
1774 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1777 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1780 avsubtitle_free(&subtitle);
1784 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1785 static int output_packet(InputStream *ist, const AVPacket *pkt)
1791 if (!ist->saw_first_ts) {
1792 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;
1794 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1795 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1796 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1798 ist->saw_first_ts = 1;
1801 if (ist->next_dts == AV_NOPTS_VALUE)
1802 ist->next_dts = ist->dts;
1803 if (ist->next_pts == AV_NOPTS_VALUE)
1804 ist->next_pts = ist->pts;
1808 av_init_packet(&avpkt);
1816 if (pkt->dts != AV_NOPTS_VALUE) {
1817 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1818 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1819 ist->next_pts = ist->pts = ist->dts;
1822 // while we have more to decode or while the decoder did output something on EOF
1823 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1827 ist->pts = ist->next_pts;
1828 ist->dts = ist->next_dts;
1830 if (avpkt.size && avpkt.size != pkt->size) {
1831 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1832 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1833 ist->showed_multi_packet_warning = 1;
1836 switch (ist->st->codec->codec_type) {
1837 case AVMEDIA_TYPE_AUDIO:
1838 ret = decode_audio (ist, &avpkt, &got_output);
1840 case AVMEDIA_TYPE_VIDEO:
1841 ret = decode_video (ist, &avpkt, &got_output);
1842 if (avpkt.duration) {
1843 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1844 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1845 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1846 duration = ((int64_t)AV_TIME_BASE *
1847 ist->st->codec->time_base.num * ticks) /
1848 ist->st->codec->time_base.den;
1852 if(ist->dts != AV_NOPTS_VALUE && duration) {
1853 ist->next_dts += duration;
1855 ist->next_dts = AV_NOPTS_VALUE;
1858 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1860 case AVMEDIA_TYPE_SUBTITLE:
1861 ret = transcode_subtitles(ist, &avpkt, &got_output);
1871 avpkt.pts= AV_NOPTS_VALUE;
1873 // touch data and size only if not EOF
1875 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1885 /* handle stream copy */
1886 if (!ist->decoding_needed) {
1887 ist->dts = ist->next_dts;
1888 switch (ist->st->codec->codec_type) {
1889 case AVMEDIA_TYPE_AUDIO:
1890 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1891 ist->st->codec->sample_rate;
1893 case AVMEDIA_TYPE_VIDEO:
1894 if (ist->framerate.num) {
1895 // TODO: Remove work-around for c99-to-c89 issue 7
1896 AVRational time_base_q = AV_TIME_BASE_Q;
1897 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
1898 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
1899 } else if (pkt->duration) {
1900 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1901 } else if(ist->st->codec->time_base.num != 0) {
1902 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1903 ist->next_dts += ((int64_t)AV_TIME_BASE *
1904 ist->st->codec->time_base.num * ticks) /
1905 ist->st->codec->time_base.den;
1909 ist->pts = ist->dts;
1910 ist->next_pts = ist->next_dts;
1912 for (i = 0; pkt && i < nb_output_streams; i++) {
1913 OutputStream *ost = output_streams[i];
1915 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1918 do_streamcopy(ist, ost, pkt);
1924 static void print_sdp(void)
1928 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1932 for (i = 0; i < nb_output_files; i++)
1933 avc[i] = output_files[i]->ctx;
1935 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1936 printf("SDP:\n%s\n", sdp);
1941 static int init_input_stream(int ist_index, char *error, int error_len)
1944 InputStream *ist = input_streams[ist_index];
1946 if (ist->decoding_needed) {
1947 AVCodec *codec = ist->dec;
1949 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1950 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1951 return AVERROR(EINVAL);
1954 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
1956 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1957 av_dict_set(&ist->opts, "threads", "auto", 0);
1958 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1959 if (ret == AVERROR_EXPERIMENTAL)
1960 abort_codec_experimental(codec, 0);
1961 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1962 ist->file_index, ist->st->index);
1965 assert_avoptions(ist->opts);
1968 ist->next_pts = AV_NOPTS_VALUE;
1969 ist->next_dts = AV_NOPTS_VALUE;
1975 static InputStream *get_input_stream(OutputStream *ost)
1977 if (ost->source_index >= 0)
1978 return input_streams[ost->source_index];
1982 static int compare_int64(const void *a, const void *b)
1984 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
1985 return va < vb ? -1 : va > vb ? +1 : 0;
1988 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1989 AVCodecContext *avctx)
1992 int n = 1, i, size, index = 0;
1995 for (p = kf; *p; p++)
1999 pts = av_malloc(sizeof(*pts) * size);
2001 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2006 for (i = 0; i < n; i++) {
2007 char *next = strchr(p, ',');
2012 if (!memcmp(p, "chapters", 8)) {
2014 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2017 if (avf->nb_chapters > INT_MAX - size ||
2018 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2020 av_log(NULL, AV_LOG_FATAL,
2021 "Could not allocate forced key frames array.\n");
2024 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2025 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2027 for (j = 0; j < avf->nb_chapters; j++) {
2028 AVChapter *c = avf->chapters[j];
2029 av_assert1(index < size);
2030 pts[index++] = av_rescale_q(c->start, c->time_base,
2031 avctx->time_base) + t;
2036 t = parse_time_or_die("force_key_frames", p, 1);
2037 av_assert1(index < size);
2038 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2045 av_assert0(index == size);
2046 qsort(pts, size, sizeof(*pts), compare_int64);
2047 ost->forced_kf_count = size;
2048 ost->forced_kf_pts = pts;
2051 static void report_new_stream(int input_index, AVPacket *pkt)
2053 InputFile *file = input_files[input_index];
2054 AVStream *st = file->ctx->streams[pkt->stream_index];
2056 if (pkt->stream_index < file->nb_streams_warn)
2058 av_log(file->ctx, AV_LOG_WARNING,
2059 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2060 av_get_media_type_string(st->codec->codec_type),
2061 input_index, pkt->stream_index,
2062 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2063 file->nb_streams_warn = pkt->stream_index + 1;
2066 static int transcode_init(void)
2068 int ret = 0, i, j, k;
2069 AVFormatContext *oc;
2070 AVCodecContext *codec;
2076 /* init framerate emulation */
2077 for (i = 0; i < nb_input_files; i++) {
2078 InputFile *ifile = input_files[i];
2079 if (ifile->rate_emu)
2080 for (j = 0; j < ifile->nb_streams; j++)
2081 input_streams[j + ifile->ist_index]->start = av_gettime();
2084 /* output stream init */
2085 for (i = 0; i < nb_output_files; i++) {
2086 oc = output_files[i]->ctx;
2087 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2088 av_dump_format(oc, i, oc->filename, 1);
2089 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2090 return AVERROR(EINVAL);
2094 /* init complex filtergraphs */
2095 for (i = 0; i < nb_filtergraphs; i++)
2096 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2099 /* for each output stream, we compute the right encoding parameters */
2100 for (i = 0; i < nb_output_streams; i++) {
2101 AVCodecContext *icodec = NULL;
2102 ost = output_streams[i];
2103 oc = output_files[ost->file_index]->ctx;
2104 ist = get_input_stream(ost);
2106 if (ost->attachment_filename)
2109 codec = ost->st->codec;
2112 icodec = ist->st->codec;
2114 ost->st->disposition = ist->st->disposition;
2115 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2116 codec->chroma_sample_location = icodec->chroma_sample_location;
2119 if (ost->stream_copy) {
2120 uint64_t extra_size;
2122 av_assert0(ist && !ost->filter);
2124 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2126 if (extra_size > INT_MAX) {
2127 return AVERROR(EINVAL);
2130 /* if stream_copy is selected, no need to decode or encode */
2131 codec->codec_id = icodec->codec_id;
2132 codec->codec_type = icodec->codec_type;
2134 if (!codec->codec_tag) {
2135 unsigned int codec_tag;
2136 if (!oc->oformat->codec_tag ||
2137 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2138 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2139 codec->codec_tag = icodec->codec_tag;
2142 codec->bit_rate = icodec->bit_rate;
2143 codec->rc_max_rate = icodec->rc_max_rate;
2144 codec->rc_buffer_size = icodec->rc_buffer_size;
2145 codec->field_order = icodec->field_order;
2146 codec->extradata = av_mallocz(extra_size);
2147 if (!codec->extradata) {
2148 return AVERROR(ENOMEM);
2150 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2151 codec->extradata_size= icodec->extradata_size;
2152 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2154 codec->time_base = ist->st->time_base;
2156 * Avi is a special case here because it supports variable fps but
2157 * having the fps and timebase differe significantly adds quite some
2160 if(!strcmp(oc->oformat->name, "avi")) {
2161 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2162 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2163 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2164 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2166 codec->time_base.num = ist->st->r_frame_rate.den;
2167 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2168 codec->ticks_per_frame = 2;
2169 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2170 && av_q2d(ist->st->time_base) < 1.0/500
2172 codec->time_base = icodec->time_base;
2173 codec->time_base.num *= icodec->ticks_per_frame;
2174 codec->time_base.den *= 2;
2175 codec->ticks_per_frame = 2;
2177 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2178 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2179 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2180 && strcmp(oc->oformat->name, "f4v")
2182 if( copy_tb<0 && icodec->time_base.den
2183 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2184 && av_q2d(ist->st->time_base) < 1.0/500
2186 codec->time_base = icodec->time_base;
2187 codec->time_base.num *= icodec->ticks_per_frame;
2190 if ( codec->codec_tag == AV_RL32("tmcd")
2191 && icodec->time_base.num < icodec->time_base.den
2192 && icodec->time_base.num > 0
2193 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2194 codec->time_base = icodec->time_base;
2197 if (ist && !ost->frame_rate.num)
2198 ost->frame_rate = ist->framerate;
2199 if(ost->frame_rate.num)
2200 codec->time_base = av_inv_q(ost->frame_rate);
2202 av_reduce(&codec->time_base.num, &codec->time_base.den,
2203 codec->time_base.num, codec->time_base.den, INT_MAX);
2205 switch (codec->codec_type) {
2206 case AVMEDIA_TYPE_AUDIO:
2207 if (audio_volume != 256) {
2208 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2211 codec->channel_layout = icodec->channel_layout;
2212 codec->sample_rate = icodec->sample_rate;
2213 codec->channels = icodec->channels;
2214 codec->frame_size = icodec->frame_size;
2215 codec->audio_service_type = icodec->audio_service_type;
2216 codec->block_align = icodec->block_align;
2217 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2218 codec->block_align= 0;
2219 if(codec->codec_id == AV_CODEC_ID_AC3)
2220 codec->block_align= 0;
2222 case AVMEDIA_TYPE_VIDEO:
2223 codec->pix_fmt = icodec->pix_fmt;
2224 codec->width = icodec->width;
2225 codec->height = icodec->height;
2226 codec->has_b_frames = icodec->has_b_frames;
2227 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2228 codec->sample_aspect_ratio =
2229 ost->st->sample_aspect_ratio =
2230 av_mul_q(ost->frame_aspect_ratio,
2231 (AVRational){ codec->height, codec->width });
2232 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2233 "with stream copy may produce invalid files\n");
2234 } else if (!codec->sample_aspect_ratio.num) {
2235 codec->sample_aspect_ratio =
2236 ost->st->sample_aspect_ratio =
2237 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2238 ist->st->codec->sample_aspect_ratio.num ?
2239 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2241 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2243 case AVMEDIA_TYPE_SUBTITLE:
2244 codec->width = icodec->width;
2245 codec->height = icodec->height;
2247 case AVMEDIA_TYPE_DATA:
2248 case AVMEDIA_TYPE_ATTACHMENT:
2255 ost->enc = avcodec_find_encoder(codec->codec_id);
2257 /* should only happen when a default codec is not present. */
2258 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2259 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2260 ret = AVERROR(EINVAL);
2265 ist->decoding_needed++;
2266 ost->encoding_needed = 1;
2269 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2270 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2272 fg = init_simple_filtergraph(ist, ost);
2273 if (configure_filtergraph(fg)) {
2274 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2279 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2280 if (ost->filter && !ost->frame_rate.num)
2281 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2282 if (ist && !ost->frame_rate.num)
2283 ost->frame_rate = ist->framerate;
2284 if (ist && !ost->frame_rate.num)
2285 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2286 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2287 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2288 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2289 ost->frame_rate = ost->enc->supported_framerates[idx];
2293 switch (codec->codec_type) {
2294 case AVMEDIA_TYPE_AUDIO:
2295 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2296 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2297 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2298 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2299 codec->time_base = (AVRational){ 1, codec->sample_rate };
2301 case AVMEDIA_TYPE_VIDEO:
2302 codec->time_base = av_inv_q(ost->frame_rate);
2303 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2304 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2305 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2306 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2307 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2308 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2310 for (j = 0; j < ost->forced_kf_count; j++)
2311 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2315 codec->width = ost->filter->filter->inputs[0]->w;
2316 codec->height = ost->filter->filter->inputs[0]->h;
2317 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2318 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2319 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2320 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2321 if (!strncmp(ost->enc->name, "libx264", 7) &&
2322 codec->pix_fmt == AV_PIX_FMT_NONE &&
2323 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2324 av_log(NULL, AV_LOG_INFO,
2325 "No pixel format specified, %s for H.264 encoding chosen.\n"
2326 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2327 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2328 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2331 codec->width != icodec->width ||
2332 codec->height != icodec->height ||
2333 codec->pix_fmt != icodec->pix_fmt) {
2334 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2337 if (ost->forced_keyframes) {
2338 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2339 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2340 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2342 av_log(NULL, AV_LOG_ERROR,
2343 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2346 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2347 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2348 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2349 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2351 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2355 case AVMEDIA_TYPE_SUBTITLE:
2356 codec->time_base = (AVRational){1, 1000};
2357 if (!codec->width) {
2358 codec->width = input_streams[ost->source_index]->st->codec->width;
2359 codec->height = input_streams[ost->source_index]->st->codec->height;
2367 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2368 char logfilename[1024];
2371 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2372 ost->logfile_prefix ? ost->logfile_prefix :
2373 DEFAULT_PASS_LOGFILENAME_PREFIX,
2375 if (!strcmp(ost->enc->name, "libx264")) {
2376 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2378 if (codec->flags & CODEC_FLAG_PASS2) {
2380 size_t logbuffer_size;
2381 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2382 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2386 codec->stats_in = logbuffer;
2388 if (codec->flags & CODEC_FLAG_PASS1) {
2389 f = fopen(logfilename, "wb");
2391 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2392 logfilename, strerror(errno));
2402 /* open each encoder */
2403 for (i = 0; i < nb_output_streams; i++) {
2404 ost = output_streams[i];
2405 if (ost->encoding_needed) {
2406 AVCodec *codec = ost->enc;
2407 AVCodecContext *dec = NULL;
2409 if ((ist = get_input_stream(ost)))
2410 dec = ist->st->codec;
2411 if (dec && dec->subtitle_header) {
2412 /* ASS code assumes this buffer is null terminated so add extra byte. */
2413 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2414 if (!ost->st->codec->subtitle_header) {
2415 ret = AVERROR(ENOMEM);
2418 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2419 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2421 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2422 av_dict_set(&ost->opts, "threads", "auto", 0);
2423 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2424 if (ret == AVERROR_EXPERIMENTAL)
2425 abort_codec_experimental(codec, 1);
2426 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2427 ost->file_index, ost->index);
2430 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2431 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2432 av_buffersink_set_frame_size(ost->filter->filter,
2433 ost->st->codec->frame_size);
2434 assert_avoptions(ost->opts);
2435 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2436 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2437 " It takes bits/s as argument, not kbits/s\n");
2438 extra_size += ost->st->codec->extradata_size;
2440 if (ost->st->codec->me_threshold)
2441 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2443 av_opt_set_dict(ost->st->codec, &ost->opts);
2447 /* init input streams */
2448 for (i = 0; i < nb_input_streams; i++)
2449 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2450 for (i = 0; i < nb_output_streams; i++) {
2451 ost = output_streams[i];
2452 avcodec_close(ost->st->codec);
2457 /* discard unused programs */
2458 for (i = 0; i < nb_input_files; i++) {
2459 InputFile *ifile = input_files[i];
2460 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2461 AVProgram *p = ifile->ctx->programs[j];
2462 int discard = AVDISCARD_ALL;
2464 for (k = 0; k < p->nb_stream_indexes; k++)
2465 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2466 discard = AVDISCARD_DEFAULT;
2469 p->discard = discard;
2473 /* open files and write file headers */
2474 for (i = 0; i < nb_output_files; i++) {
2475 oc = output_files[i]->ctx;
2476 oc->interrupt_callback = int_cb;
2477 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2479 const char *errbuf_ptr = errbuf;
2480 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2481 errbuf_ptr = strerror(AVUNERROR(ret));
2482 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2483 ret = AVERROR(EINVAL);
2486 // assert_avoptions(output_files[i]->opts);
2487 if (strcmp(oc->oformat->name, "rtp")) {
2493 /* dump the file output parameters - cannot be done before in case
2495 for (i = 0; i < nb_output_files; i++) {
2496 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2499 /* dump the stream mapping */
2500 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2501 for (i = 0; i < nb_input_streams; i++) {
2502 ist = input_streams[i];
2504 for (j = 0; j < ist->nb_filters; j++) {
2505 if (ist->filters[j]->graph->graph_desc) {
2506 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2507 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2508 ist->filters[j]->name);
2509 if (nb_filtergraphs > 1)
2510 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2511 av_log(NULL, AV_LOG_INFO, "\n");
2516 for (i = 0; i < nb_output_streams; i++) {
2517 ost = output_streams[i];
2519 if (ost->attachment_filename) {
2520 /* an attached file */
2521 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2522 ost->attachment_filename, ost->file_index, ost->index);
2526 if (ost->filter && ost->filter->graph->graph_desc) {
2527 /* output from a complex graph */
2528 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2529 if (nb_filtergraphs > 1)
2530 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2532 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2533 ost->index, ost->enc ? ost->enc->name : "?");
2537 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2538 input_streams[ost->source_index]->file_index,
2539 input_streams[ost->source_index]->st->index,
2542 if (ost->sync_ist != input_streams[ost->source_index])
2543 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2544 ost->sync_ist->file_index,
2545 ost->sync_ist->st->index);
2546 if (ost->stream_copy)
2547 av_log(NULL, AV_LOG_INFO, " (copy)");
2549 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2550 input_streams[ost->source_index]->dec->name : "?",
2551 ost->enc ? ost->enc->name : "?");
2552 av_log(NULL, AV_LOG_INFO, "\n");
2556 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2567 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2568 static int need_output(void)
2572 for (i = 0; i < nb_output_streams; i++) {
2573 OutputStream *ost = output_streams[i];
2574 OutputFile *of = output_files[ost->file_index];
2575 AVFormatContext *os = output_files[ost->file_index]->ctx;
2577 if (ost->finished ||
2578 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2580 if (ost->frame_number >= ost->max_frames) {
2582 for (j = 0; j < of->ctx->nb_streams; j++)
2583 close_output_stream(output_streams[of->ost_index + j]);
2594 * Select the output stream to process.
2596 * @return selected output stream, or NULL if none available
2598 static OutputStream *choose_output(void)
2601 int64_t opts_min = INT64_MAX;
2602 OutputStream *ost_min = NULL;
2604 for (i = 0; i < nb_output_streams; i++) {
2605 OutputStream *ost = output_streams[i];
2606 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2608 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2616 static int check_keyboard_interaction(int64_t cur_time)
2619 static int64_t last_time;
2620 if (received_nb_signals)
2621 return AVERROR_EXIT;
2622 /* read_key() returns 0 on EOF */
2623 if(cur_time - last_time >= 100000 && !run_as_daemon){
2625 last_time = cur_time;
2629 return AVERROR_EXIT;
2630 if (key == '+') av_log_set_level(av_log_get_level()+10);
2631 if (key == '-') av_log_set_level(av_log_get_level()-10);
2632 if (key == 's') qp_hist ^= 1;
2635 do_hex_dump = do_pkt_dump = 0;
2636 } else if(do_pkt_dump){
2640 av_log_set_level(AV_LOG_DEBUG);
2642 if (key == 'c' || key == 'C'){
2643 char buf[4096], target[64], command[256], arg[256] = {0};
2646 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2648 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2653 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2654 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2655 target, time, command, arg);
2656 for (i = 0; i < nb_filtergraphs; i++) {
2657 FilterGraph *fg = filtergraphs[i];
2660 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2661 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2662 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2664 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2669 av_log(NULL, AV_LOG_ERROR,
2670 "Parse error, at least 3 arguments were expected, "
2671 "only %d given in string '%s'\n", n, buf);
2674 if (key == 'd' || key == 'D'){
2677 debug = input_streams[0]->st->codec->debug<<1;
2678 if(!debug) debug = 1;
2679 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2682 if(scanf("%d", &debug)!=1)
2683 fprintf(stderr,"error parsing debug value\n");
2684 for(i=0;i<nb_input_streams;i++) {
2685 input_streams[i]->st->codec->debug = debug;
2687 for(i=0;i<nb_output_streams;i++) {
2688 OutputStream *ost = output_streams[i];
2689 ost->st->codec->debug = debug;
2691 if(debug) av_log_set_level(AV_LOG_DEBUG);
2692 fprintf(stderr,"debug=%d\n", debug);
2695 fprintf(stderr, "key function\n"
2696 "? show this help\n"
2697 "+ increase verbosity\n"
2698 "- decrease verbosity\n"
2699 "c Send command to filtergraph\n"
2700 "D cycle through available debug modes\n"
2701 "h dump packets/hex press to cycle through the 3 states\n"
2703 "s Show QP histogram\n"
2710 static void *input_thread(void *arg)
2715 while (!transcoding_finished && ret >= 0) {
2717 ret = av_read_frame(f->ctx, &pkt);
2719 if (ret == AVERROR(EAGAIN)) {
2726 pthread_mutex_lock(&f->fifo_lock);
2727 while (!av_fifo_space(f->fifo))
2728 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2730 av_dup_packet(&pkt);
2731 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2733 pthread_mutex_unlock(&f->fifo_lock);
2740 static void free_input_threads(void)
2744 if (nb_input_files == 1)
2747 transcoding_finished = 1;
2749 for (i = 0; i < nb_input_files; i++) {
2750 InputFile *f = input_files[i];
2753 if (!f->fifo || f->joined)
2756 pthread_mutex_lock(&f->fifo_lock);
2757 while (av_fifo_size(f->fifo)) {
2758 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2759 av_free_packet(&pkt);
2761 pthread_cond_signal(&f->fifo_cond);
2762 pthread_mutex_unlock(&f->fifo_lock);
2764 pthread_join(f->thread, NULL);
2767 while (av_fifo_size(f->fifo)) {
2768 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2769 av_free_packet(&pkt);
2771 av_fifo_free(f->fifo);
2775 static int init_input_threads(void)
2779 if (nb_input_files == 1)
2782 for (i = 0; i < nb_input_files; i++) {
2783 InputFile *f = input_files[i];
2785 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2786 return AVERROR(ENOMEM);
2788 pthread_mutex_init(&f->fifo_lock, NULL);
2789 pthread_cond_init (&f->fifo_cond, NULL);
2791 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2792 return AVERROR(ret);
2797 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2801 pthread_mutex_lock(&f->fifo_lock);
2803 if (av_fifo_size(f->fifo)) {
2804 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2805 pthread_cond_signal(&f->fifo_cond);
2810 ret = AVERROR(EAGAIN);
2813 pthread_mutex_unlock(&f->fifo_lock);
2819 static int get_input_packet(InputFile *f, AVPacket *pkt)
2823 for (i = 0; i < f->nb_streams; i++) {
2824 InputStream *ist = input_streams[f->ist_index + i];
2825 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2826 int64_t now = av_gettime() - ist->start;
2828 return AVERROR(EAGAIN);
2833 if (nb_input_files > 1)
2834 return get_input_packet_mt(f, pkt);
2836 return av_read_frame(f->ctx, pkt);
2839 static int got_eagain(void)
2842 for (i = 0; i < nb_output_streams; i++)
2843 if (output_streams[i]->unavailable)
2848 static void reset_eagain(void)
2851 for (i = 0; i < nb_input_files; i++)
2852 input_files[i]->eagain = 0;
2853 for (i = 0; i < nb_output_streams; i++)
2854 output_streams[i]->unavailable = 0;
2859 * - 0 -- one packet was read and processed
2860 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2861 * this function should be called again
2862 * - AVERROR_EOF -- this function should not be called again
2864 static int process_input(int file_index)
2866 InputFile *ifile = input_files[file_index];
2867 AVFormatContext *is;
2873 ret = get_input_packet(ifile, &pkt);
2875 if (ret == AVERROR(EAGAIN)) {
2880 if (ret != AVERROR_EOF) {
2881 print_error(is->filename, ret);
2885 ifile->eof_reached = 1;
2887 for (i = 0; i < ifile->nb_streams; i++) {
2888 ist = input_streams[ifile->ist_index + i];
2889 if (ist->decoding_needed)
2890 output_packet(ist, NULL);
2892 /* mark all outputs that don't go through lavfi as finished */
2893 for (j = 0; j < nb_output_streams; j++) {
2894 OutputStream *ost = output_streams[j];
2896 if (ost->source_index == ifile->ist_index + i &&
2897 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2898 close_output_stream(ost);
2902 return AVERROR(EAGAIN);
2908 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2909 is->streams[pkt.stream_index]);
2911 /* the following test is needed in case new streams appear
2912 dynamically in stream : we ignore them */
2913 if (pkt.stream_index >= ifile->nb_streams) {
2914 report_new_stream(file_index, &pkt);
2915 goto discard_packet;
2918 ist = input_streams[ifile->ist_index + pkt.stream_index];
2920 goto discard_packet;
2923 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2924 "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",
2925 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2926 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2927 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2928 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2929 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2930 av_ts2str(input_files[ist->file_index]->ts_offset),
2931 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
2934 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2935 int64_t stime, stime2;
2936 // Correcting starttime based on the enabled streams
2937 // 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.
2938 // so we instead do it here as part of discontinuity handling
2939 if ( ist->next_dts == AV_NOPTS_VALUE
2940 && ifile->ts_offset == -is->start_time
2941 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2942 int64_t new_start_time = INT64_MAX;
2943 for (i=0; i<is->nb_streams; i++) {
2944 AVStream *st = is->streams[i];
2945 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
2947 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
2949 if (new_start_time > is->start_time) {
2950 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
2951 ifile->ts_offset = -new_start_time;
2955 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2956 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
2957 ist->wrap_correction_done = 1;
2959 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2960 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
2961 ist->wrap_correction_done = 0;
2963 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2964 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
2965 ist->wrap_correction_done = 0;
2969 if (pkt.dts != AV_NOPTS_VALUE)
2970 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2971 if (pkt.pts != AV_NOPTS_VALUE)
2972 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2974 if (pkt.pts != AV_NOPTS_VALUE)
2975 pkt.pts *= ist->ts_scale;
2976 if (pkt.dts != AV_NOPTS_VALUE)
2977 pkt.dts *= ist->ts_scale;
2979 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
2980 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
2981 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2982 int64_t delta = pkt_dts - ifile->last_ts;
2983 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2984 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2985 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
2986 ifile->ts_offset -= delta;
2987 av_log(NULL, AV_LOG_DEBUG,
2988 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2989 delta, ifile->ts_offset);
2990 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2991 if (pkt.pts != AV_NOPTS_VALUE)
2992 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2996 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2998 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2999 int64_t delta = pkt_dts - ist->next_dts;
3000 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3001 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3002 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3003 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3004 pkt_dts+1<ist->pts){
3005 ifile->ts_offset -= delta;
3006 av_log(NULL, AV_LOG_DEBUG,
3007 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3008 delta, ifile->ts_offset);
3009 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3010 if (pkt.pts != AV_NOPTS_VALUE)
3011 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3014 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3015 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3017 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3018 pkt.dts = AV_NOPTS_VALUE;
3020 if (pkt.pts != AV_NOPTS_VALUE){
3021 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3022 delta = pkt_pts - ist->next_dts;
3023 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3024 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3026 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3027 pkt.pts = AV_NOPTS_VALUE;
3033 if (pkt.dts != AV_NOPTS_VALUE)
3034 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3037 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",
3038 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3039 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3040 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3041 av_ts2str(input_files[ist->file_index]->ts_offset),
3042 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3045 sub2video_heartbeat(ist, pkt.pts);
3047 ret = output_packet(ist, &pkt);
3050 av_strerror(ret, buf, sizeof(buf));
3051 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3052 ist->file_index, ist->st->index, buf);
3058 av_free_packet(&pkt);
3064 * Perform a step of transcoding for the specified filter graph.
3066 * @param[in] graph filter graph to consider
3067 * @param[out] best_ist input stream where a frame would allow to continue
3068 * @return 0 for success, <0 for error
3070 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3073 int nb_requests, nb_requests_max = 0;
3074 InputFilter *ifilter;
3078 ret = avfilter_graph_request_oldest(graph->graph);
3080 return reap_filters();
3082 if (ret == AVERROR_EOF) {
3083 ret = reap_filters();
3084 for (i = 0; i < graph->nb_outputs; i++)
3085 close_output_stream(graph->outputs[i]->ost);
3088 if (ret != AVERROR(EAGAIN))
3091 for (i = 0; i < graph->nb_inputs; i++) {
3092 ifilter = graph->inputs[i];
3094 if (input_files[ist->file_index]->eagain ||
3095 input_files[ist->file_index]->eof_reached)
3097 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3098 if (nb_requests > nb_requests_max) {
3099 nb_requests_max = nb_requests;
3105 for (i = 0; i < graph->nb_outputs; i++)
3106 graph->outputs[i]->ost->unavailable = 1;
3112 * Run a single step of transcoding.
3114 * @return 0 for success, <0 for error
3116 static int transcode_step(void)
3122 ost = choose_output();
3129 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3134 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3139 av_assert0(ost->source_index >= 0);
3140 ist = input_streams[ost->source_index];
3143 ret = process_input(ist->file_index);
3144 if (ret == AVERROR(EAGAIN)) {
3145 if (input_files[ist->file_index]->eagain)
3146 ost->unavailable = 1;
3150 return ret == AVERROR_EOF ? 0 : ret;
3152 return reap_filters();
3156 * The following code is the main loop of the file converter
3158 static int transcode(void)
3161 AVFormatContext *os;
3164 int64_t timer_start;
3166 ret = transcode_init();
3170 if (stdin_interaction) {
3171 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3174 timer_start = av_gettime();
3177 if ((ret = init_input_threads()) < 0)
3181 while (!received_sigterm) {
3182 int64_t cur_time= av_gettime();
3184 /* if 'q' pressed, exits */
3185 if (stdin_interaction)
3186 if (check_keyboard_interaction(cur_time) < 0)
3189 /* check if there's any stream where output is still needed */
3190 if (!need_output()) {
3191 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3195 ret = transcode_step();
3197 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3200 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3204 /* dump report by using the output first video and audio streams */
3205 print_report(0, timer_start, cur_time);
3208 free_input_threads();
3211 /* at the end of stream, we must flush the decoder buffers */
3212 for (i = 0; i < nb_input_streams; i++) {
3213 ist = input_streams[i];
3214 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3215 output_packet(ist, NULL);
3222 /* write the trailer if needed and close file */
3223 for (i = 0; i < nb_output_files; i++) {
3224 os = output_files[i]->ctx;
3225 av_write_trailer(os);
3228 /* dump report by using the first video and audio streams */
3229 print_report(1, timer_start, av_gettime());
3231 /* close each encoder */
3232 for (i = 0; i < nb_output_streams; i++) {
3233 ost = output_streams[i];
3234 if (ost->encoding_needed) {
3235 av_freep(&ost->st->codec->stats_in);
3236 avcodec_close(ost->st->codec);
3240 /* close each decoder */
3241 for (i = 0; i < nb_input_streams; i++) {
3242 ist = input_streams[i];
3243 if (ist->decoding_needed) {
3244 avcodec_close(ist->st->codec);
3253 free_input_threads();
3256 if (output_streams) {
3257 for (i = 0; i < nb_output_streams; i++) {
3258 ost = output_streams[i];
3260 if (ost->stream_copy)
3261 av_freep(&ost->st->codec->extradata);
3263 fclose(ost->logfile);
3264 ost->logfile = NULL;
3266 av_freep(&ost->st->codec->subtitle_header);
3267 av_freep(&ost->forced_kf_pts);
3268 av_freep(&ost->apad);
3269 av_dict_free(&ost->opts);
3270 av_dict_free(&ost->swr_opts);
3271 av_dict_free(&ost->resample_opts);
3279 static int64_t getutime(void)
3282 struct rusage rusage;
3284 getrusage(RUSAGE_SELF, &rusage);
3285 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3286 #elif HAVE_GETPROCESSTIMES
3288 FILETIME c, e, k, u;
3289 proc = GetCurrentProcess();
3290 GetProcessTimes(proc, &c, &e, &k, &u);
3291 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3293 return av_gettime();
3297 static int64_t getmaxrss(void)
3299 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3300 struct rusage rusage;
3301 getrusage(RUSAGE_SELF, &rusage);
3302 return (int64_t)rusage.ru_maxrss * 1024;
3303 #elif HAVE_GETPROCESSMEMORYINFO
3305 PROCESS_MEMORY_COUNTERS memcounters;
3306 proc = GetCurrentProcess();
3307 memcounters.cb = sizeof(memcounters);
3308 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3309 return memcounters.PeakPagefileUsage;
3315 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3319 int main(int argc, char **argv)
3324 atexit(exit_program);
3326 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3328 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3329 parse_loglevel(argc, argv, options);
3331 if(argc>1 && !strcmp(argv[1], "-d")){
3333 av_log_set_callback(log_callback_null);
3338 avcodec_register_all();
3340 avdevice_register_all();
3342 avfilter_register_all();
3344 avformat_network_init();
3346 show_banner(argc, argv, options);
3350 /* parse options and open all input/output files */
3351 ret = ffmpeg_parse_options(argc, argv);
3355 if (nb_output_files <= 0 && nb_input_files == 0) {
3357 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3361 /* file converter / grab */
3362 if (nb_output_files <= 0) {
3363 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3367 // if (nb_input_files == 0) {
3368 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3372 current_time = ti = getutime();
3373 if (transcode() < 0)
3375 ti = getutime() - ti;
3377 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3379 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3380 decode_error_stat[0], decode_error_stat[1]);
3381 if (2*decode_error_stat[0] < decode_error_stat[1])
3384 exit(received_nb_signals ? 255 : 0);