2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavformat/os_support.h"
64 #include "libavformat/ffm.h" // not public API
66 # include "libavfilter/avcodec.h"
67 # include "libavfilter/avfilter.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
73 #include <sys/types.h>
74 #include <sys/resource.h>
75 #elif HAVE_GETPROCESSTIMES
78 #if HAVE_GETPROCESSMEMORYINFO
84 #include <sys/select.h>
89 #include <sys/ioctl.h>
103 #include "cmdutils.h"
105 #include "libavutil/avassert.h"
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 static FILE *vstats_file;
112 const char *const forced_keyframes_const_names[] = {
121 static void do_video_stats(OutputStream *ost, int frame_size);
122 static int64_t getutime(void);
123 static int64_t getmaxrss(void);
125 static int run_as_daemon = 0;
126 static int64_t video_size = 0;
127 static int64_t audio_size = 0;
128 static int64_t data_size = 0;
129 static int64_t subtitle_size = 0;
130 static int64_t extra_size = 0;
131 static int nb_frames_dup = 0;
132 static int nb_frames_drop = 0;
133 static int64_t decode_error_stat[2];
135 static int current_time;
136 AVIOContext *progress_avio = NULL;
138 static uint8_t *subtitle_out;
141 /* signal to input threads that they should exit; set by the main thread */
142 static int transcoding_finished;
145 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
147 InputStream **input_streams = NULL;
148 int nb_input_streams = 0;
149 InputFile **input_files = NULL;
150 int nb_input_files = 0;
152 OutputStream **output_streams = NULL;
153 int nb_output_streams = 0;
154 OutputFile **output_files = NULL;
155 int nb_output_files = 0;
157 FilterGraph **filtergraphs;
162 /* init terminal so that we can grab keys */
163 static struct termios oldtty;
164 static int restore_tty;
167 static void free_input_threads(void);
171 Convert subtitles to video with alpha to insert them in filter graphs.
172 This is a temporary solution until libavfilter gets real subtitles support.
175 static int sub2video_get_blank_frame(InputStream *ist)
178 AVFrame *frame = ist->sub2video.frame;
180 av_frame_unref(frame);
181 ist->sub2video.frame->width = ist->sub2video.w;
182 ist->sub2video.frame->height = ist->sub2video.h;
183 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
184 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
186 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
190 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
193 uint32_t *pal, *dst2;
197 if (r->type != SUBTITLE_BITMAP) {
198 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
201 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
202 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
206 dst += r->y * dst_linesize + r->x * 4;
207 src = r->pict.data[0];
208 pal = (uint32_t *)r->pict.data[1];
209 for (y = 0; y < r->h; y++) {
210 dst2 = (uint32_t *)dst;
212 for (x = 0; x < r->w; x++)
213 *(dst2++) = pal[*(src2++)];
215 src += r->pict.linesize[0];
219 static void sub2video_push_ref(InputStream *ist, int64_t pts)
221 AVFrame *frame = ist->sub2video.frame;
224 av_assert1(frame->data[0]);
225 ist->sub2video.last_pts = frame->pts = pts;
226 for (i = 0; i < ist->nb_filters; i++)
227 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
228 AV_BUFFERSRC_FLAG_KEEP_REF |
229 AV_BUFFERSRC_FLAG_PUSH);
232 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
234 int w = ist->sub2video.w, h = ist->sub2video.h;
235 AVFrame *frame = ist->sub2video.frame;
239 int64_t pts, end_pts;
244 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
245 AV_TIME_BASE_Q, ist->st->time_base);
246 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
247 AV_TIME_BASE_Q, ist->st->time_base);
248 num_rects = sub->num_rects;
250 pts = ist->sub2video.end_pts;
254 if (sub2video_get_blank_frame(ist) < 0) {
255 av_log(ist->st->codec, AV_LOG_ERROR,
256 "Impossible to get a blank canvas.\n");
259 dst = frame->data [0];
260 dst_linesize = frame->linesize[0];
261 for (i = 0; i < num_rects; i++)
262 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
263 sub2video_push_ref(ist, pts);
264 ist->sub2video.end_pts = end_pts;
267 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
269 InputFile *infile = input_files[ist->file_index];
273 /* When a frame is read from a file, examine all sub2video streams in
274 the same file and send the sub2video frame again. Otherwise, decoded
275 video frames could be accumulating in the filter graph while a filter
276 (possibly overlay) is desperately waiting for a subtitle frame. */
277 for (i = 0; i < infile->nb_streams; i++) {
278 InputStream *ist2 = input_streams[infile->ist_index + i];
279 if (!ist2->sub2video.frame)
281 /* subtitles seem to be usually muxed ahead of other streams;
282 if not, substracting a larger time here is necessary */
283 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
284 /* do not send the heartbeat frame if the subtitle is already ahead */
285 if (pts2 <= ist2->sub2video.last_pts)
287 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
288 sub2video_update(ist2, NULL);
289 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
290 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
292 sub2video_push_ref(ist2, pts2);
296 static void sub2video_flush(InputStream *ist)
300 if (ist->sub2video.end_pts < INT64_MAX)
301 sub2video_update(ist, NULL);
302 for (i = 0; i < ist->nb_filters; i++)
303 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
306 /* end of sub2video hack */
308 static void term_exit_sigsafe(void)
312 tcsetattr (0, TCSANOW, &oldtty);
318 av_log(NULL, AV_LOG_QUIET, "%s", "");
322 static volatile int received_sigterm = 0;
323 static volatile int received_nb_signals = 0;
324 static int main_return_code = 0;
327 sigterm_handler(int sig)
329 received_sigterm = sig;
330 received_nb_signals++;
332 if(received_nb_signals > 3)
343 istty = isatty(0) && isatty(2);
345 if (istty && tcgetattr (0, &tty) == 0) {
349 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
350 |INLCR|IGNCR|ICRNL|IXON);
351 tty.c_oflag |= OPOST;
352 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
353 tty.c_cflag &= ~(CSIZE|PARENB);
358 tcsetattr (0, TCSANOW, &tty);
360 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
363 avformat_network_deinit();
365 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
366 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
368 signal(SIGXCPU, sigterm_handler);
372 /* read a key without blocking */
373 static int read_key(void)
385 n = select(1, &rfds, NULL, NULL, &tv);
394 # if HAVE_PEEKNAMEDPIPE
396 static HANDLE input_handle;
399 input_handle = GetStdHandle(STD_INPUT_HANDLE);
400 is_pipe = !GetConsoleMode(input_handle, &dw);
403 if (stdin->_cnt > 0) {
408 /* When running under a GUI, you will end here. */
409 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
410 // input pipe may have been closed by the program that ran ffmpeg
428 static int decode_interrupt_cb(void *ctx)
430 return received_nb_signals > 1;
433 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
435 static void ffmpeg_cleanup(int ret)
440 int maxrss = getmaxrss() / 1024;
441 printf("bench: maxrss=%ikB\n", maxrss);
444 for (i = 0; i < nb_filtergraphs; i++) {
445 avfilter_graph_free(&filtergraphs[i]->graph);
446 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
447 av_freep(&filtergraphs[i]->inputs[j]->name);
448 av_freep(&filtergraphs[i]->inputs[j]);
450 av_freep(&filtergraphs[i]->inputs);
451 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
452 av_freep(&filtergraphs[i]->outputs[j]->name);
453 av_freep(&filtergraphs[i]->outputs[j]);
455 av_freep(&filtergraphs[i]->outputs);
456 av_freep(&filtergraphs[i]->graph_desc);
457 av_freep(&filtergraphs[i]);
459 av_freep(&filtergraphs);
461 av_freep(&subtitle_out);
464 for (i = 0; i < nb_output_files; i++) {
465 AVFormatContext *s = output_files[i]->ctx;
466 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
468 avformat_free_context(s);
469 av_dict_free(&output_files[i]->opts);
470 av_freep(&output_files[i]);
472 for (i = 0; i < nb_output_streams; i++) {
473 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
475 AVBitStreamFilterContext *next = bsfc->next;
476 av_bitstream_filter_close(bsfc);
479 output_streams[i]->bitstream_filters = NULL;
480 av_frame_free(&output_streams[i]->filtered_frame);
482 av_parser_close(output_streams[i]->parser);
484 av_freep(&output_streams[i]->forced_keyframes);
485 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
486 av_freep(&output_streams[i]->avfilter);
487 av_freep(&output_streams[i]->logfile_prefix);
488 av_freep(&output_streams[i]);
491 free_input_threads();
493 for (i = 0; i < nb_input_files; i++) {
494 avformat_close_input(&input_files[i]->ctx);
495 av_freep(&input_files[i]);
497 for (i = 0; i < nb_input_streams; i++) {
498 av_frame_free(&input_streams[i]->decoded_frame);
499 av_frame_free(&input_streams[i]->filter_frame);
500 av_dict_free(&input_streams[i]->opts);
501 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
502 av_frame_free(&input_streams[i]->sub2video.frame);
503 av_freep(&input_streams[i]->filters);
504 av_freep(&input_streams[i]->hwaccel_device);
505 av_freep(&input_streams[i]);
510 av_free(vstats_filename);
512 av_freep(&input_streams);
513 av_freep(&input_files);
514 av_freep(&output_streams);
515 av_freep(&output_files);
519 avformat_network_deinit();
521 if (received_sigterm) {
522 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
523 (int) received_sigterm);
528 void assert_avoptions(AVDictionary *m)
530 AVDictionaryEntry *t;
531 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
532 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
537 static void abort_codec_experimental(AVCodec *c, int encoder)
542 static void update_benchmark(const char *fmt, ...)
544 if (do_benchmark_all) {
545 int64_t t = getutime();
551 vsnprintf(buf, sizeof(buf), fmt, va);
553 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
559 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
562 for (i = 0; i < nb_output_streams; i++) {
563 OutputStream *ost2 = output_streams[i];
564 ost2->finished |= ost == ost2 ? this_stream : others;
568 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
570 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
571 AVCodecContext *avctx = ost->st->codec;
574 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
575 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
576 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
579 * Audio encoders may split the packets -- #frames in != #packets out.
580 * But there is no reordering, so we can limit the number of output packets
581 * by simply dropping them here.
582 * Counting encoded video frames needs to be done separately because of
583 * reordering, see do_video_out()
585 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
586 if (ost->frame_number >= ost->max_frames) {
594 AVPacket new_pkt = *pkt;
595 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
596 &new_pkt.data, &new_pkt.size,
597 pkt->data, pkt->size,
598 pkt->flags & AV_PKT_FLAG_KEY);
599 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
600 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
602 memcpy(t, new_pkt.data, new_pkt.size);
603 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
612 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
613 av_buffer_default_free, NULL, 0);
617 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
618 bsfc->filter->name, pkt->stream_index,
619 avctx->codec ? avctx->codec->name : "copy");
629 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
630 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
631 pkt->dts != AV_NOPTS_VALUE &&
632 ost->last_mux_dts != AV_NOPTS_VALUE) {
633 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
634 if (pkt->dts < max) {
635 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
636 av_log(s, loglevel, "Non-monotonous DTS in output stream "
637 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
638 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
640 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
643 av_log(s, loglevel, "changing to %"PRId64". This may result "
644 "in incorrect timestamps in the output file.\n",
646 if(pkt->pts >= pkt->dts)
647 pkt->pts = FFMAX(pkt->pts, max);
651 ost->last_mux_dts = pkt->dts;
653 pkt->stream_index = ost->index;
656 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
657 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
658 av_get_media_type_string(ost->st->codec->codec_type),
659 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
660 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
665 ret = av_interleaved_write_frame(s, pkt);
667 print_error("av_interleaved_write_frame()", ret);
668 main_return_code = 1;
669 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
673 static void close_output_stream(OutputStream *ost)
675 OutputFile *of = output_files[ost->file_index];
677 ost->finished |= ENCODER_FINISHED;
679 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
680 of->recording_time = FFMIN(of->recording_time, end);
684 static int check_recording_time(OutputStream *ost)
686 OutputFile *of = output_files[ost->file_index];
688 if (of->recording_time != INT64_MAX &&
689 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
690 AV_TIME_BASE_Q) >= 0) {
691 close_output_stream(ost);
697 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
700 AVCodecContext *enc = ost->st->codec;
704 av_init_packet(&pkt);
708 if (!check_recording_time(ost))
711 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
712 frame->pts = ost->sync_opts;
713 ost->sync_opts = frame->pts + frame->nb_samples;
715 av_assert0(pkt.size || !pkt.data);
716 update_benchmark(NULL);
718 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
719 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
720 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
721 enc->time_base.num, enc->time_base.den);
723 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
724 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
727 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
730 if (pkt.pts != AV_NOPTS_VALUE)
731 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
732 if (pkt.dts != AV_NOPTS_VALUE)
733 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
734 if (pkt.duration > 0)
735 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
738 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
739 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
740 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
741 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
744 audio_size += pkt.size;
745 write_frame(s, &pkt, ost);
747 av_free_packet(&pkt);
751 static void do_subtitle_out(AVFormatContext *s,
756 int subtitle_out_max_size = 1024 * 1024;
757 int subtitle_out_size, nb, i;
762 if (sub->pts == AV_NOPTS_VALUE) {
763 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
769 enc = ost->st->codec;
772 subtitle_out = av_malloc(subtitle_out_max_size);
775 /* Note: DVB subtitle need one packet to draw them and one other
776 packet to clear them */
777 /* XXX: signal it in the codec context ? */
778 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
783 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
785 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
786 pts -= output_files[ost->file_index]->start_time;
787 for (i = 0; i < nb; i++) {
788 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
789 if (!check_recording_time(ost))
793 // start_display_time is required to be 0
794 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
795 sub->end_display_time -= sub->start_display_time;
796 sub->start_display_time = 0;
799 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
800 subtitle_out_max_size, sub);
801 if (subtitle_out_size < 0) {
802 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
806 av_init_packet(&pkt);
807 pkt.data = subtitle_out;
808 pkt.size = subtitle_out_size;
809 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
810 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
811 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
812 /* XXX: the pts correction is handled here. Maybe handling
813 it in the codec would be better */
815 pkt.pts += 90 * sub->start_display_time;
817 pkt.pts += 90 * sub->end_display_time;
819 subtitle_size += pkt.size;
820 write_frame(s, &pkt, ost);
824 static void do_video_out(AVFormatContext *s,
828 int ret, format_video_sync;
830 AVCodecContext *enc = ost->st->codec;
832 double sync_ipts, delta;
835 InputStream *ist = NULL;
837 if (ost->source_index >= 0)
838 ist = input_streams[ost->source_index];
840 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
841 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
843 sync_ipts = in_picture->pts;
844 delta = sync_ipts - ost->sync_opts + duration;
846 /* by default, we output a single frame */
849 format_video_sync = video_sync_method;
850 if (format_video_sync == VSYNC_AUTO) {
851 if(!strcmp(s->oformat->name, "avi")) {
852 format_video_sync = VSYNC_VFR;
854 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
856 && format_video_sync == VSYNC_CFR
857 && input_files[ist->file_index]->ctx->nb_streams == 1
858 && input_files[ist->file_index]->input_ts_offset == 0) {
859 format_video_sync = VSYNC_VSCFR;
861 if (format_video_sync == VSYNC_CFR && copy_ts) {
862 format_video_sync = VSYNC_VSCFR;
866 switch (format_video_sync) {
868 if (ost->frame_number == 0 && delta - duration >= 0.5) {
869 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
871 ost->sync_opts = lrint(sync_ipts);
874 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
877 else if (delta > 1.1)
878 nb_frames = lrintf(delta);
883 else if (delta > 0.6)
884 ost->sync_opts = lrint(sync_ipts);
887 case VSYNC_PASSTHROUGH:
888 ost->sync_opts = lrint(sync_ipts);
894 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
895 if (nb_frames == 0) {
897 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
899 } else if (nb_frames > 1) {
900 if (nb_frames > dts_error_threshold * 30) {
901 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
905 nb_frames_dup += nb_frames - 1;
906 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
909 /* duplicates frame if needed */
910 for (i = 0; i < nb_frames; i++) {
911 av_init_packet(&pkt);
915 in_picture->pts = ost->sync_opts;
918 if (!check_recording_time(ost))
920 if (ost->frame_number >= ost->max_frames)
924 if (s->oformat->flags & AVFMT_RAWPICTURE &&
925 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
926 /* raw pictures are written as AVPicture structure to
927 avoid any copies. We support temporarily the older
929 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
930 enc->coded_frame->top_field_first = in_picture->top_field_first;
931 if (enc->coded_frame->interlaced_frame)
932 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
934 enc->field_order = AV_FIELD_PROGRESSIVE;
935 pkt.data = (uint8_t *)in_picture;
936 pkt.size = sizeof(AVPicture);
937 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
938 pkt.flags |= AV_PKT_FLAG_KEY;
940 video_size += pkt.size;
941 write_frame(s, &pkt, ost);
943 int got_packet, forced_keyframe = 0;
946 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
947 ost->top_field_first >= 0)
948 in_picture->top_field_first = !!ost->top_field_first;
950 if (in_picture->interlaced_frame) {
951 if (enc->codec->id == AV_CODEC_ID_MJPEG)
952 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
954 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
956 enc->field_order = AV_FIELD_PROGRESSIVE;
958 in_picture->quality = ost->st->codec->global_quality;
959 if (!enc->me_threshold)
960 in_picture->pict_type = 0;
962 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
963 in_picture->pts * av_q2d(enc->time_base) : NAN;
964 if (ost->forced_kf_index < ost->forced_kf_count &&
965 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
966 ost->forced_kf_index++;
968 } else if (ost->forced_keyframes_pexpr) {
970 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
971 res = av_expr_eval(ost->forced_keyframes_pexpr,
972 ost->forced_keyframes_expr_const_values, NULL);
973 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
974 ost->forced_keyframes_expr_const_values[FKF_N],
975 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
976 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
977 ost->forced_keyframes_expr_const_values[FKF_T],
978 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
982 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
983 ost->forced_keyframes_expr_const_values[FKF_N];
984 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
985 ost->forced_keyframes_expr_const_values[FKF_T];
986 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
989 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
991 if (forced_keyframe) {
992 in_picture->pict_type = AV_PICTURE_TYPE_I;
993 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
996 update_benchmark(NULL);
998 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
999 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1000 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1001 enc->time_base.num, enc->time_base.den);
1004 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1005 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1007 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1013 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1014 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1015 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1016 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1019 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1020 pkt.pts = ost->sync_opts;
1022 if (pkt.pts != AV_NOPTS_VALUE)
1023 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1024 if (pkt.dts != AV_NOPTS_VALUE)
1025 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1028 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1029 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1030 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1031 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1034 frame_size = pkt.size;
1035 video_size += pkt.size;
1036 write_frame(s, &pkt, ost);
1037 av_free_packet(&pkt);
1039 /* if two pass, output log */
1040 if (ost->logfile && enc->stats_out) {
1041 fprintf(ost->logfile, "%s", enc->stats_out);
1047 * For video, number of frames in == number of packets out.
1048 * But there may be reordering, so we can't throw away frames on encoder
1049 * flush, we need to limit them here, before they go into encoder.
1051 ost->frame_number++;
1053 if (vstats_filename && frame_size)
1054 do_video_stats(ost, frame_size);
1058 static double psnr(double d)
1060 return -10.0 * log(d) / log(10.0);
1063 static void do_video_stats(OutputStream *ost, int frame_size)
1065 AVCodecContext *enc;
1067 double ti1, bitrate, avg_bitrate;
1069 /* this is executed just the first time do_video_stats is called */
1071 vstats_file = fopen(vstats_filename, "w");
1078 enc = ost->st->codec;
1079 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1080 frame_number = ost->st->nb_frames;
1081 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1082 if (enc->flags&CODEC_FLAG_PSNR)
1083 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1085 fprintf(vstats_file,"f_size= %6d ", frame_size);
1086 /* compute pts value */
1087 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1091 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1092 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1093 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1094 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1095 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1100 * Get and encode new output from any of the filtergraphs, without causing
1103 * @return 0 for success, <0 for severe errors
1105 static int reap_filters(void)
1107 AVFrame *filtered_frame = NULL;
1111 /* Reap all buffers present in the buffer sinks */
1112 for (i = 0; i < nb_output_streams; i++) {
1113 OutputStream *ost = output_streams[i];
1114 OutputFile *of = output_files[ost->file_index];
1115 AVFilterContext *filter;
1116 AVCodecContext *enc = ost->st->codec;
1121 filter = ost->filter->filter;
1123 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1124 return AVERROR(ENOMEM);
1126 filtered_frame = ost->filtered_frame;
1129 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1130 AV_BUFFERSINK_FLAG_NO_REQUEST);
1132 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1133 av_log(NULL, AV_LOG_WARNING,
1134 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1138 if (ost->finished) {
1139 av_frame_unref(filtered_frame);
1142 frame_pts = AV_NOPTS_VALUE;
1143 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1144 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1145 filtered_frame->pts = frame_pts =
1146 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1147 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1149 //if (ost->source_index >= 0)
1150 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1152 switch (filter->inputs[0]->type) {
1153 case AVMEDIA_TYPE_VIDEO:
1154 filtered_frame->pts = frame_pts;
1155 if (!ost->frame_aspect_ratio.num)
1156 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1159 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1160 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1161 enc->time_base.num, enc->time_base.den);
1164 do_video_out(of->ctx, ost, filtered_frame);
1166 case AVMEDIA_TYPE_AUDIO:
1167 filtered_frame->pts = frame_pts;
1168 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1169 enc->channels != av_frame_get_channels(filtered_frame)) {
1170 av_log(NULL, AV_LOG_ERROR,
1171 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1174 do_audio_out(of->ctx, ost, filtered_frame);
1177 // TODO support subtitle filters
1181 av_frame_unref(filtered_frame);
1188 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1191 AVBPrint buf_script;
1193 AVFormatContext *oc;
1195 AVCodecContext *enc;
1196 int frame_number, vid, i;
1198 int64_t pts = INT64_MIN;
1199 static int64_t last_time = -1;
1200 static int qp_histogram[52];
1201 int hours, mins, secs, us;
1203 if (!print_stats && !is_last_report && !progress_avio)
1206 if (!is_last_report) {
1207 if (last_time == -1) {
1208 last_time = cur_time;
1211 if ((cur_time - last_time) < 500000)
1213 last_time = cur_time;
1217 oc = output_files[0]->ctx;
1219 total_size = avio_size(oc->pb);
1220 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1221 total_size = avio_tell(oc->pb);
1225 av_bprint_init(&buf_script, 0, 1);
1226 for (i = 0; i < nb_output_streams; i++) {
1228 ost = output_streams[i];
1229 enc = ost->st->codec;
1230 if (!ost->stream_copy && enc->coded_frame)
1231 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1232 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1233 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1234 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1235 ost->file_index, ost->index, q);
1237 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1238 float fps, t = (cur_time-timer_start) / 1000000.0;
1240 frame_number = ost->frame_number;
1241 fps = t > 1 ? frame_number / t : 0;
1242 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1243 frame_number, fps < 9.95, fps, q);
1244 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1245 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1246 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1247 ost->file_index, ost->index, q);
1249 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1253 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1255 for (j = 0; j < 32; j++)
1256 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1258 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1260 double error, error_sum = 0;
1261 double scale, scale_sum = 0;
1263 char type[3] = { 'Y','U','V' };
1264 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1265 for (j = 0; j < 3; j++) {
1266 if (is_last_report) {
1267 error = enc->error[j];
1268 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1270 error = enc->coded_frame->error[j];
1271 scale = enc->width * enc->height * 255.0 * 255.0;
1277 p = psnr(error / scale);
1278 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1279 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1280 ost->file_index, ost->index, type[j] | 32, p);
1282 p = psnr(error_sum / scale_sum);
1283 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1284 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1285 ost->file_index, ost->index, p);
1289 /* compute min output value */
1290 if (ost->st->pts.val != AV_NOPTS_VALUE)
1291 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1292 ost->st->time_base, AV_TIME_BASE_Q));
1295 secs = pts / AV_TIME_BASE;
1296 us = pts % AV_TIME_BASE;
1302 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1304 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1306 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1307 "size=%8.0fkB time=", total_size / 1024.0);
1308 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1309 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1310 (100 * us) / AV_TIME_BASE);
1311 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1313 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1314 "bitrate=%6.1fkbits/s", bitrate);
1315 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1316 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1317 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1318 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1319 hours, mins, secs, us);
1321 if (nb_frames_dup || nb_frames_drop)
1322 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1323 nb_frames_dup, nb_frames_drop);
1324 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1325 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1327 if (print_stats || is_last_report) {
1328 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1329 fprintf(stderr, "%s \r", buf);
1331 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1336 if (progress_avio) {
1337 av_bprintf(&buf_script, "progress=%s\n",
1338 is_last_report ? "end" : "continue");
1339 avio_write(progress_avio, buf_script.str,
1340 FFMIN(buf_script.len, buf_script.size - 1));
1341 avio_flush(progress_avio);
1342 av_bprint_finalize(&buf_script, NULL);
1343 if (is_last_report) {
1344 avio_close(progress_avio);
1345 progress_avio = NULL;
1349 if (is_last_report) {
1350 int64_t raw = audio_size + video_size + data_size + subtitle_size + extra_size;
1351 float percent = 0.0;
1354 percent = 100.0 * (total_size - raw) / raw;
1356 av_log(NULL, AV_LOG_INFO, "\n");
1357 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f data:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1358 video_size / 1024.0,
1359 audio_size / 1024.0,
1360 subtitle_size / 1024.0,
1362 extra_size / 1024.0,
1364 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1365 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1370 static void flush_encoders(void)
1374 for (i = 0; i < nb_output_streams; i++) {
1375 OutputStream *ost = output_streams[i];
1376 AVCodecContext *enc = ost->st->codec;
1377 AVFormatContext *os = output_files[ost->file_index]->ctx;
1378 int stop_encoding = 0;
1380 if (!ost->encoding_needed)
1383 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1385 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1389 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1393 switch (ost->st->codec->codec_type) {
1394 case AVMEDIA_TYPE_AUDIO:
1395 encode = avcodec_encode_audio2;
1399 case AVMEDIA_TYPE_VIDEO:
1400 encode = avcodec_encode_video2;
1412 av_init_packet(&pkt);
1416 update_benchmark(NULL);
1417 ret = encode(enc, &pkt, NULL, &got_packet);
1418 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1420 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1423 if (ost->logfile && enc->stats_out) {
1424 fprintf(ost->logfile, "%s", enc->stats_out);
1430 if (ost->finished & MUXER_FINISHED) {
1431 av_free_packet(&pkt);
1435 if (pkt.pts != AV_NOPTS_VALUE)
1436 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1437 if (pkt.dts != AV_NOPTS_VALUE)
1438 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1439 if (pkt.duration > 0)
1440 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1441 pkt_size = pkt.size;
1442 write_frame(os, &pkt, ost);
1443 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1444 do_video_stats(ost, pkt_size);
1455 * Check whether a packet from ist should be written into ost at this time
1457 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1459 OutputFile *of = output_files[ost->file_index];
1460 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1462 if (ost->source_index != ist_index)
1468 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1474 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1476 OutputFile *of = output_files[ost->file_index];
1477 InputFile *f = input_files [ist->file_index];
1478 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1479 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1480 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1484 av_init_packet(&opkt);
1486 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1487 !ost->copy_initial_nonkeyframes)
1490 if (pkt->pts == AV_NOPTS_VALUE) {
1491 if (!ost->frame_number && ist->pts < start_time &&
1492 !ost->copy_prior_start)
1495 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1496 !ost->copy_prior_start)
1500 if (of->recording_time != INT64_MAX &&
1501 ist->pts >= of->recording_time + start_time) {
1502 close_output_stream(ost);
1506 if (f->recording_time != INT64_MAX) {
1507 start_time = f->ctx->start_time;
1508 if (f->start_time != AV_NOPTS_VALUE)
1509 start_time += f->start_time;
1510 if (ist->pts >= f->recording_time + start_time) {
1511 close_output_stream(ost);
1516 /* force the input stream PTS */
1517 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1518 audio_size += pkt->size;
1519 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1520 video_size += pkt->size;
1522 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_DATA) {
1523 data_size += pkt->size;
1524 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1525 subtitle_size += pkt->size;
1528 if (pkt->pts != AV_NOPTS_VALUE)
1529 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1531 opkt.pts = AV_NOPTS_VALUE;
1533 if (pkt->dts == AV_NOPTS_VALUE)
1534 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1536 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1537 opkt.dts -= ost_tb_start_time;
1539 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1540 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1542 duration = ist->st->codec->frame_size;
1543 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1544 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1545 ost->st->time_base) - ost_tb_start_time;
1548 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1549 opkt.flags = pkt->flags;
1551 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1552 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1553 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1554 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1555 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1557 if (av_parser_change(ost->parser, ost->st->codec,
1558 &opkt.data, &opkt.size,
1559 pkt->data, pkt->size,
1560 pkt->flags & AV_PKT_FLAG_KEY)) {
1561 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1566 opkt.data = pkt->data;
1567 opkt.size = pkt->size;
1569 av_copy_packet_side_data(&opkt, pkt);
1571 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1572 /* store AVPicture in AVPacket, as expected by the output format */
1573 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1574 opkt.data = (uint8_t *)&pict;
1575 opkt.size = sizeof(AVPicture);
1576 opkt.flags |= AV_PKT_FLAG_KEY;
1579 write_frame(of->ctx, &opkt, ost);
1580 ost->st->codec->frame_number++;
1583 int guess_input_channel_layout(InputStream *ist)
1585 AVCodecContext *dec = ist->st->codec;
1587 if (!dec->channel_layout) {
1588 char layout_name[256];
1590 if (dec->channels > ist->guess_layout_max)
1592 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1593 if (!dec->channel_layout)
1595 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1596 dec->channels, dec->channel_layout);
1597 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1598 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1603 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1605 AVFrame *decoded_frame, *f;
1606 AVCodecContext *avctx = ist->st->codec;
1607 int i, ret, err = 0, resample_changed;
1608 AVRational decoded_frame_tb;
1610 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1611 return AVERROR(ENOMEM);
1612 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1613 return AVERROR(ENOMEM);
1614 decoded_frame = ist->decoded_frame;
1616 update_benchmark(NULL);
1617 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1618 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1620 if (ret >= 0 && avctx->sample_rate <= 0) {
1621 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1622 ret = AVERROR_INVALIDDATA;
1625 if (*got_output || ret<0 || pkt->size)
1626 decode_error_stat[ret<0] ++;
1628 if (!*got_output || ret < 0) {
1630 for (i = 0; i < ist->nb_filters; i++)
1632 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1634 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1641 /* increment next_dts to use for the case where the input stream does not
1642 have timestamps or there are multiple frames in the packet */
1643 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1645 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1649 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1650 ist->resample_channels != avctx->channels ||
1651 ist->resample_channel_layout != decoded_frame->channel_layout ||
1652 ist->resample_sample_rate != decoded_frame->sample_rate;
1653 if (resample_changed) {
1654 char layout1[64], layout2[64];
1656 if (!guess_input_channel_layout(ist)) {
1657 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1658 "layout for Input Stream #%d.%d\n", ist->file_index,
1662 decoded_frame->channel_layout = avctx->channel_layout;
1664 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1665 ist->resample_channel_layout);
1666 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1667 decoded_frame->channel_layout);
1669 av_log(NULL, AV_LOG_INFO,
1670 "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",
1671 ist->file_index, ist->st->index,
1672 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1673 ist->resample_channels, layout1,
1674 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1675 avctx->channels, layout2);
1677 ist->resample_sample_fmt = decoded_frame->format;
1678 ist->resample_sample_rate = decoded_frame->sample_rate;
1679 ist->resample_channel_layout = decoded_frame->channel_layout;
1680 ist->resample_channels = avctx->channels;
1682 for (i = 0; i < nb_filtergraphs; i++)
1683 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1684 FilterGraph *fg = filtergraphs[i];
1686 if (configure_filtergraph(fg) < 0) {
1687 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1690 for (j = 0; j < fg->nb_outputs; j++) {
1691 OutputStream *ost = fg->outputs[j]->ost;
1692 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1693 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1694 av_buffersink_set_frame_size(ost->filter->filter,
1695 ost->st->codec->frame_size);
1700 /* if the decoder provides a pts, use it instead of the last packet pts.
1701 the decoder could be delaying output by a packet or more. */
1702 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1703 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1704 decoded_frame_tb = avctx->time_base;
1705 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1706 decoded_frame->pts = decoded_frame->pkt_pts;
1707 pkt->pts = AV_NOPTS_VALUE;
1708 decoded_frame_tb = ist->st->time_base;
1709 } else if (pkt->pts != AV_NOPTS_VALUE) {
1710 decoded_frame->pts = pkt->pts;
1711 pkt->pts = AV_NOPTS_VALUE;
1712 decoded_frame_tb = ist->st->time_base;
1714 decoded_frame->pts = ist->dts;
1715 decoded_frame_tb = AV_TIME_BASE_Q;
1717 if (decoded_frame->pts != AV_NOPTS_VALUE)
1718 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1719 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1720 (AVRational){1, ist->st->codec->sample_rate});
1721 for (i = 0; i < ist->nb_filters; i++) {
1722 if (i < ist->nb_filters - 1) {
1723 f = ist->filter_frame;
1724 err = av_frame_ref(f, decoded_frame);
1729 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1730 AV_BUFFERSRC_FLAG_PUSH);
1731 if (err == AVERROR_EOF)
1732 err = 0; /* ignore */
1736 decoded_frame->pts = AV_NOPTS_VALUE;
1738 av_frame_unref(ist->filter_frame);
1739 av_frame_unref(decoded_frame);
1740 return err < 0 ? err : ret;
1743 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1745 AVFrame *decoded_frame, *f;
1746 int i, ret = 0, err = 0, resample_changed;
1747 int64_t best_effort_timestamp;
1748 AVRational *frame_sample_aspect;
1750 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1751 return AVERROR(ENOMEM);
1752 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1753 return AVERROR(ENOMEM);
1754 decoded_frame = ist->decoded_frame;
1755 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1757 update_benchmark(NULL);
1758 ret = avcodec_decode_video2(ist->st->codec,
1759 decoded_frame, got_output, pkt);
1760 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1762 if (*got_output || ret<0 || pkt->size)
1763 decode_error_stat[ret<0] ++;
1765 if (!*got_output || ret < 0) {
1767 for (i = 0; i < ist->nb_filters; i++)
1769 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1771 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1777 if(ist->top_field_first>=0)
1778 decoded_frame->top_field_first = ist->top_field_first;
1780 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1781 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1785 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1787 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1788 if(best_effort_timestamp != AV_NOPTS_VALUE)
1789 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1792 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1793 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
1794 ist->st->index, av_ts2str(decoded_frame->pts),
1795 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1796 best_effort_timestamp,
1797 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1798 decoded_frame->key_frame, decoded_frame->pict_type,
1799 ist->st->time_base.num, ist->st->time_base.den);
1804 if (ist->st->sample_aspect_ratio.num)
1805 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1807 resample_changed = ist->resample_width != decoded_frame->width ||
1808 ist->resample_height != decoded_frame->height ||
1809 ist->resample_pix_fmt != decoded_frame->format;
1810 if (resample_changed) {
1811 av_log(NULL, AV_LOG_INFO,
1812 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1813 ist->file_index, ist->st->index,
1814 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1815 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1817 ist->resample_width = decoded_frame->width;
1818 ist->resample_height = decoded_frame->height;
1819 ist->resample_pix_fmt = decoded_frame->format;
1821 for (i = 0; i < nb_filtergraphs; i++) {
1822 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1823 configure_filtergraph(filtergraphs[i]) < 0) {
1824 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1830 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1831 for (i = 0; i < ist->nb_filters; i++) {
1832 if (!frame_sample_aspect->num)
1833 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1835 if (i < ist->nb_filters - 1) {
1836 f = ist->filter_frame;
1837 err = av_frame_ref(f, decoded_frame);
1842 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1843 if (ret == AVERROR_EOF) {
1844 ret = 0; /* ignore */
1845 } else if (ret < 0) {
1846 av_log(NULL, AV_LOG_FATAL,
1847 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1853 av_frame_unref(ist->filter_frame);
1854 av_frame_unref(decoded_frame);
1855 return err < 0 ? err : ret;
1858 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1860 AVSubtitle subtitle;
1861 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1862 &subtitle, got_output, pkt);
1864 if (*got_output || ret<0 || pkt->size)
1865 decode_error_stat[ret<0] ++;
1867 if (ret < 0 || !*got_output) {
1869 sub2video_flush(ist);
1873 if (ist->fix_sub_duration) {
1875 if (ist->prev_sub.got_output) {
1876 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1877 1000, AV_TIME_BASE);
1878 if (end < ist->prev_sub.subtitle.end_display_time) {
1879 av_log(ist->st->codec, AV_LOG_DEBUG,
1880 "Subtitle duration reduced from %d to %d%s\n",
1881 ist->prev_sub.subtitle.end_display_time, end,
1882 end <= 0 ? ", dropping it" : "");
1883 ist->prev_sub.subtitle.end_display_time = end;
1886 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1887 FFSWAP(int, ret, ist->prev_sub.ret);
1888 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1896 sub2video_update(ist, &subtitle);
1898 if (!subtitle.num_rects)
1901 for (i = 0; i < nb_output_streams; i++) {
1902 OutputStream *ost = output_streams[i];
1904 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
1905 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
1908 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1912 avsubtitle_free(&subtitle);
1916 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1917 static int output_packet(InputStream *ist, const AVPacket *pkt)
1923 if (!ist->saw_first_ts) {
1924 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;
1926 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1927 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1928 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1930 ist->saw_first_ts = 1;
1933 if (ist->next_dts == AV_NOPTS_VALUE)
1934 ist->next_dts = ist->dts;
1935 if (ist->next_pts == AV_NOPTS_VALUE)
1936 ist->next_pts = ist->pts;
1940 av_init_packet(&avpkt);
1948 if (pkt->dts != AV_NOPTS_VALUE) {
1949 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1950 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1951 ist->next_pts = ist->pts = ist->dts;
1954 // while we have more to decode or while the decoder did output something on EOF
1955 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1959 ist->pts = ist->next_pts;
1960 ist->dts = ist->next_dts;
1962 if (avpkt.size && avpkt.size != pkt->size) {
1963 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1964 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1965 ist->showed_multi_packet_warning = 1;
1968 switch (ist->st->codec->codec_type) {
1969 case AVMEDIA_TYPE_AUDIO:
1970 ret = decode_audio (ist, &avpkt, &got_output);
1972 case AVMEDIA_TYPE_VIDEO:
1973 ret = decode_video (ist, &avpkt, &got_output);
1974 if (avpkt.duration) {
1975 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1976 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1977 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1978 duration = ((int64_t)AV_TIME_BASE *
1979 ist->st->codec->time_base.num * ticks) /
1980 ist->st->codec->time_base.den;
1984 if(ist->dts != AV_NOPTS_VALUE && duration) {
1985 ist->next_dts += duration;
1987 ist->next_dts = AV_NOPTS_VALUE;
1990 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1992 case AVMEDIA_TYPE_SUBTITLE:
1993 ret = transcode_subtitles(ist, &avpkt, &got_output);
2003 avpkt.pts= AV_NOPTS_VALUE;
2005 // touch data and size only if not EOF
2007 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2017 /* handle stream copy */
2018 if (!ist->decoding_needed) {
2019 ist->dts = ist->next_dts;
2020 switch (ist->st->codec->codec_type) {
2021 case AVMEDIA_TYPE_AUDIO:
2022 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2023 ist->st->codec->sample_rate;
2025 case AVMEDIA_TYPE_VIDEO:
2026 if (ist->framerate.num) {
2027 // TODO: Remove work-around for c99-to-c89 issue 7
2028 AVRational time_base_q = AV_TIME_BASE_Q;
2029 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2030 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2031 } else if (pkt->duration) {
2032 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2033 } else if(ist->st->codec->time_base.num != 0) {
2034 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2035 ist->next_dts += ((int64_t)AV_TIME_BASE *
2036 ist->st->codec->time_base.num * ticks) /
2037 ist->st->codec->time_base.den;
2041 ist->pts = ist->dts;
2042 ist->next_pts = ist->next_dts;
2044 for (i = 0; pkt && i < nb_output_streams; i++) {
2045 OutputStream *ost = output_streams[i];
2047 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2050 do_streamcopy(ist, ost, pkt);
2056 static void print_sdp(void)
2060 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2064 for (i = 0; i < nb_output_files; i++)
2065 avc[i] = output_files[i]->ctx;
2067 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2068 printf("SDP:\n%s\n", sdp);
2073 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2076 for (i = 0; hwaccels[i].name; i++)
2077 if (hwaccels[i].pix_fmt == pix_fmt)
2078 return &hwaccels[i];
2082 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2084 InputStream *ist = s->opaque;
2085 const enum AVPixelFormat *p;
2088 for (p = pix_fmts; *p != -1; p++) {
2089 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2090 const HWAccel *hwaccel;
2092 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2095 hwaccel = get_hwaccel(*p);
2097 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2098 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2101 ret = hwaccel->init(s);
2103 if (ist->hwaccel_id == hwaccel->id) {
2104 av_log(NULL, AV_LOG_FATAL,
2105 "%s hwaccel requested for input stream #%d:%d, "
2106 "but cannot be initialized.\n", hwaccel->name,
2107 ist->file_index, ist->st->index);
2112 ist->active_hwaccel_id = hwaccel->id;
2113 ist->hwaccel_pix_fmt = *p;
2120 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2122 InputStream *ist = s->opaque;
2124 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2125 return ist->hwaccel_get_buffer(s, frame, flags);
2127 return avcodec_default_get_buffer2(s, frame, flags);
2130 static int init_input_stream(int ist_index, char *error, int error_len)
2133 InputStream *ist = input_streams[ist_index];
2135 if (ist->decoding_needed) {
2136 AVCodec *codec = ist->dec;
2138 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2139 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2140 return AVERROR(EINVAL);
2143 ist->st->codec->opaque = ist;
2144 ist->st->codec->get_format = get_format;
2145 ist->st->codec->get_buffer2 = get_buffer;
2146 ist->st->codec->thread_safe_callbacks = 1;
2148 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
2150 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2151 av_dict_set(&ist->opts, "threads", "auto", 0);
2152 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
2153 if (ret == AVERROR_EXPERIMENTAL)
2154 abort_codec_experimental(codec, 0);
2156 snprintf(error, error_len,
2157 "Error while opening decoder for input stream "
2159 ist->file_index, ist->st->index, av_err2str(ret));
2162 assert_avoptions(ist->opts);
2165 ist->next_pts = AV_NOPTS_VALUE;
2166 ist->next_dts = AV_NOPTS_VALUE;
2171 static InputStream *get_input_stream(OutputStream *ost)
2173 if (ost->source_index >= 0)
2174 return input_streams[ost->source_index];
2178 static int compare_int64(const void *a, const void *b)
2180 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2181 return va < vb ? -1 : va > vb ? +1 : 0;
2184 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2185 AVCodecContext *avctx)
2188 int n = 1, i, size, index = 0;
2191 for (p = kf; *p; p++)
2195 pts = av_malloc(sizeof(*pts) * size);
2197 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2202 for (i = 0; i < n; i++) {
2203 char *next = strchr(p, ',');
2208 if (!memcmp(p, "chapters", 8)) {
2210 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2213 if (avf->nb_chapters > INT_MAX - size ||
2214 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2216 av_log(NULL, AV_LOG_FATAL,
2217 "Could not allocate forced key frames array.\n");
2220 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2221 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2223 for (j = 0; j < avf->nb_chapters; j++) {
2224 AVChapter *c = avf->chapters[j];
2225 av_assert1(index < size);
2226 pts[index++] = av_rescale_q(c->start, c->time_base,
2227 avctx->time_base) + t;
2232 t = parse_time_or_die("force_key_frames", p, 1);
2233 av_assert1(index < size);
2234 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2241 av_assert0(index == size);
2242 qsort(pts, size, sizeof(*pts), compare_int64);
2243 ost->forced_kf_count = size;
2244 ost->forced_kf_pts = pts;
2247 static void report_new_stream(int input_index, AVPacket *pkt)
2249 InputFile *file = input_files[input_index];
2250 AVStream *st = file->ctx->streams[pkt->stream_index];
2252 if (pkt->stream_index < file->nb_streams_warn)
2254 av_log(file->ctx, AV_LOG_WARNING,
2255 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2256 av_get_media_type_string(st->codec->codec_type),
2257 input_index, pkt->stream_index,
2258 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2259 file->nb_streams_warn = pkt->stream_index + 1;
2262 static int transcode_init(void)
2264 int ret = 0, i, j, k;
2265 AVFormatContext *oc;
2266 AVCodecContext *codec;
2272 for (i = 0; i < nb_filtergraphs; i++) {
2273 FilterGraph *fg = filtergraphs[i];
2274 for (j = 0; j < fg->nb_outputs; j++) {
2275 OutputFilter *ofilter = fg->outputs[j];
2276 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2278 if (fg->nb_inputs != 1)
2280 for (k = nb_input_streams-1; k >= 0 ; k--)
2281 if (fg->inputs[0]->ist == input_streams[k])
2283 ofilter->ost->source_index = k;
2287 /* init framerate emulation */
2288 for (i = 0; i < nb_input_files; i++) {
2289 InputFile *ifile = input_files[i];
2290 if (ifile->rate_emu)
2291 for (j = 0; j < ifile->nb_streams; j++)
2292 input_streams[j + ifile->ist_index]->start = av_gettime();
2295 /* output stream init */
2296 for (i = 0; i < nb_output_files; i++) {
2297 oc = output_files[i]->ctx;
2298 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2299 av_dump_format(oc, i, oc->filename, 1);
2300 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2301 return AVERROR(EINVAL);
2305 /* init complex filtergraphs */
2306 for (i = 0; i < nb_filtergraphs; i++)
2307 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2310 /* for each output stream, we compute the right encoding parameters */
2311 for (i = 0; i < nb_output_streams; i++) {
2312 AVCodecContext *icodec = NULL;
2313 ost = output_streams[i];
2314 oc = output_files[ost->file_index]->ctx;
2315 ist = get_input_stream(ost);
2317 if (ost->attachment_filename)
2320 codec = ost->st->codec;
2323 icodec = ist->st->codec;
2325 ost->st->disposition = ist->st->disposition;
2326 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2327 codec->chroma_sample_location = icodec->chroma_sample_location;
2329 for (j=0; j<oc->nb_streams; j++) {
2330 AVStream *st = oc->streams[j];
2331 if (st != ost->st && st->codec->codec_type == codec->codec_type)
2334 if (j == oc->nb_streams)
2335 if (codec->codec_type == AVMEDIA_TYPE_AUDIO || codec->codec_type == AVMEDIA_TYPE_VIDEO)
2336 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2339 if (ost->stream_copy) {
2341 uint64_t extra_size;
2343 av_assert0(ist && !ost->filter);
2345 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2347 if (extra_size > INT_MAX) {
2348 return AVERROR(EINVAL);
2351 /* if stream_copy is selected, no need to decode or encode */
2352 codec->codec_id = icodec->codec_id;
2353 codec->codec_type = icodec->codec_type;
2355 if (!codec->codec_tag) {
2356 unsigned int codec_tag;
2357 if (!oc->oformat->codec_tag ||
2358 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2359 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2360 codec->codec_tag = icodec->codec_tag;
2363 codec->bit_rate = icodec->bit_rate;
2364 codec->rc_max_rate = icodec->rc_max_rate;
2365 codec->rc_buffer_size = icodec->rc_buffer_size;
2366 codec->field_order = icodec->field_order;
2367 codec->extradata = av_mallocz(extra_size);
2368 if (!codec->extradata) {
2369 return AVERROR(ENOMEM);
2371 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2372 codec->extradata_size= icodec->extradata_size;
2373 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2375 codec->time_base = ist->st->time_base;
2377 * Avi is a special case here because it supports variable fps but
2378 * having the fps and timebase differe significantly adds quite some
2381 if(!strcmp(oc->oformat->name, "avi")) {
2382 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2383 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2384 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2385 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2387 codec->time_base.num = ist->st->r_frame_rate.den;
2388 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2389 codec->ticks_per_frame = 2;
2390 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2391 && av_q2d(ist->st->time_base) < 1.0/500
2393 codec->time_base = icodec->time_base;
2394 codec->time_base.num *= icodec->ticks_per_frame;
2395 codec->time_base.den *= 2;
2396 codec->ticks_per_frame = 2;
2398 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2399 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2400 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2401 && strcmp(oc->oformat->name, "f4v")
2403 if( copy_tb<0 && icodec->time_base.den
2404 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2405 && av_q2d(ist->st->time_base) < 1.0/500
2407 codec->time_base = icodec->time_base;
2408 codec->time_base.num *= icodec->ticks_per_frame;
2411 if ( codec->codec_tag == AV_RL32("tmcd")
2412 && icodec->time_base.num < icodec->time_base.den
2413 && icodec->time_base.num > 0
2414 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2415 codec->time_base = icodec->time_base;
2418 if (ist && !ost->frame_rate.num)
2419 ost->frame_rate = ist->framerate;
2420 if(ost->frame_rate.num)
2421 codec->time_base = av_inv_q(ost->frame_rate);
2423 av_reduce(&codec->time_base.num, &codec->time_base.den,
2424 codec->time_base.num, codec->time_base.den, INT_MAX);
2426 ost->parser = av_parser_init(codec->codec_id);
2428 switch (codec->codec_type) {
2429 case AVMEDIA_TYPE_AUDIO:
2430 if (audio_volume != 256) {
2431 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2434 codec->channel_layout = icodec->channel_layout;
2435 codec->sample_rate = icodec->sample_rate;
2436 codec->channels = icodec->channels;
2437 codec->frame_size = icodec->frame_size;
2438 codec->audio_service_type = icodec->audio_service_type;
2439 codec->block_align = icodec->block_align;
2440 codec->delay = icodec->delay;
2441 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2442 codec->block_align= 0;
2443 if(codec->codec_id == AV_CODEC_ID_AC3)
2444 codec->block_align= 0;
2446 case AVMEDIA_TYPE_VIDEO:
2447 codec->pix_fmt = icodec->pix_fmt;
2448 codec->width = icodec->width;
2449 codec->height = icodec->height;
2450 codec->has_b_frames = icodec->has_b_frames;
2451 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2453 av_mul_q(ost->frame_aspect_ratio,
2454 (AVRational){ codec->height, codec->width });
2455 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2456 "with stream copy may produce invalid files\n");
2458 else if (ist->st->sample_aspect_ratio.num)
2459 sar = ist->st->sample_aspect_ratio;
2461 sar = icodec->sample_aspect_ratio;
2462 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
2463 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2465 case AVMEDIA_TYPE_SUBTITLE:
2466 codec->width = icodec->width;
2467 codec->height = icodec->height;
2469 case AVMEDIA_TYPE_DATA:
2470 case AVMEDIA_TYPE_ATTACHMENT:
2477 ost->enc = avcodec_find_encoder(codec->codec_id);
2479 /* should only happen when a default codec is not present. */
2480 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2481 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2482 ret = AVERROR(EINVAL);
2487 ist->decoding_needed++;
2488 ost->encoding_needed = 1;
2491 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2492 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2494 fg = init_simple_filtergraph(ist, ost);
2495 if (configure_filtergraph(fg)) {
2496 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2501 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2502 if (ost->filter && !ost->frame_rate.num)
2503 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2504 if (ist && !ost->frame_rate.num)
2505 ost->frame_rate = ist->framerate;
2506 if (ist && !ost->frame_rate.num)
2507 ost->frame_rate = ist->st->r_frame_rate;
2508 if (ist && !ost->frame_rate.num) {
2509 ost->frame_rate = (AVRational){25, 1};
2510 av_log(NULL, AV_LOG_WARNING,
2512 "about the input framerate is available. Falling "
2513 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2514 "if you want a different framerate.\n",
2515 ost->file_index, ost->index);
2517 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2518 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2519 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2520 ost->frame_rate = ost->enc->supported_framerates[idx];
2522 if (codec->codec_id == AV_CODEC_ID_MPEG4) {
2523 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2524 ost->frame_rate.num, ost->frame_rate.den, 65535);
2528 switch (codec->codec_type) {
2529 case AVMEDIA_TYPE_AUDIO:
2530 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2531 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2532 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2533 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2534 codec->time_base = (AVRational){ 1, codec->sample_rate };
2536 case AVMEDIA_TYPE_VIDEO:
2537 codec->time_base = av_inv_q(ost->frame_rate);
2538 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2539 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2540 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2541 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2542 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2543 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2545 for (j = 0; j < ost->forced_kf_count; j++)
2546 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2550 codec->width = ost->filter->filter->inputs[0]->w;
2551 codec->height = ost->filter->filter->inputs[0]->h;
2552 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2553 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2554 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2555 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2556 if (!strncmp(ost->enc->name, "libx264", 7) &&
2557 codec->pix_fmt == AV_PIX_FMT_NONE &&
2558 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2559 av_log(NULL, AV_LOG_WARNING,
2560 "No pixel format specified, %s for H.264 encoding chosen.\n"
2561 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2562 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2563 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2564 codec->pix_fmt == AV_PIX_FMT_NONE &&
2565 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2566 av_log(NULL, AV_LOG_WARNING,
2567 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2568 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2569 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2570 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2573 codec->width != icodec->width ||
2574 codec->height != icodec->height ||
2575 codec->pix_fmt != icodec->pix_fmt) {
2576 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2579 if (ost->forced_keyframes) {
2580 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2581 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2582 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2584 av_log(NULL, AV_LOG_ERROR,
2585 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2588 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2589 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2590 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2591 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2593 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2597 case AVMEDIA_TYPE_SUBTITLE:
2598 codec->time_base = (AVRational){1, 1000};
2599 if (!codec->width) {
2600 codec->width = input_streams[ost->source_index]->st->codec->width;
2601 codec->height = input_streams[ost->source_index]->st->codec->height;
2609 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2610 char logfilename[1024];
2613 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2614 ost->logfile_prefix ? ost->logfile_prefix :
2615 DEFAULT_PASS_LOGFILENAME_PREFIX,
2617 if (!strcmp(ost->enc->name, "libx264")) {
2618 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2620 if (codec->flags & CODEC_FLAG_PASS2) {
2622 size_t logbuffer_size;
2623 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2624 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2628 codec->stats_in = logbuffer;
2630 if (codec->flags & CODEC_FLAG_PASS1) {
2631 f = av_fopen_utf8(logfilename, "wb");
2633 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2634 logfilename, strerror(errno));
2644 /* open each encoder */
2645 for (i = 0; i < nb_output_streams; i++) {
2646 ost = output_streams[i];
2647 if (ost->encoding_needed) {
2648 AVCodec *codec = ost->enc;
2649 AVCodecContext *dec = NULL;
2651 if ((ist = get_input_stream(ost)))
2652 dec = ist->st->codec;
2653 if (dec && dec->subtitle_header) {
2654 /* ASS code assumes this buffer is null terminated so add extra byte. */
2655 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2656 if (!ost->st->codec->subtitle_header) {
2657 ret = AVERROR(ENOMEM);
2660 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2661 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2663 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2664 av_dict_set(&ost->opts, "threads", "auto", 0);
2665 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2666 if (ret == AVERROR_EXPERIMENTAL)
2667 abort_codec_experimental(codec, 1);
2668 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2669 ost->file_index, ost->index);
2672 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2673 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2674 av_buffersink_set_frame_size(ost->filter->filter,
2675 ost->st->codec->frame_size);
2676 assert_avoptions(ost->opts);
2677 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2678 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2679 " It takes bits/s as argument, not kbits/s\n");
2680 extra_size += ost->st->codec->extradata_size;
2682 av_opt_set_dict(ost->st->codec, &ost->opts);
2686 /* init input streams */
2687 for (i = 0; i < nb_input_streams; i++)
2688 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2689 for (i = 0; i < nb_output_streams; i++) {
2690 ost = output_streams[i];
2691 avcodec_close(ost->st->codec);
2696 /* discard unused programs */
2697 for (i = 0; i < nb_input_files; i++) {
2698 InputFile *ifile = input_files[i];
2699 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2700 AVProgram *p = ifile->ctx->programs[j];
2701 int discard = AVDISCARD_ALL;
2703 for (k = 0; k < p->nb_stream_indexes; k++)
2704 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2705 discard = AVDISCARD_DEFAULT;
2708 p->discard = discard;
2712 /* open files and write file headers */
2713 for (i = 0; i < nb_output_files; i++) {
2714 oc = output_files[i]->ctx;
2715 oc->interrupt_callback = int_cb;
2716 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2717 snprintf(error, sizeof(error),
2718 "Could not write header for output file #%d "
2719 "(incorrect codec parameters ?): %s",
2720 i, av_err2str(ret));
2721 ret = AVERROR(EINVAL);
2724 // assert_avoptions(output_files[i]->opts);
2725 if (strcmp(oc->oformat->name, "rtp")) {
2731 /* dump the file output parameters - cannot be done before in case
2733 for (i = 0; i < nb_output_files; i++) {
2734 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2737 /* dump the stream mapping */
2738 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2739 for (i = 0; i < nb_input_streams; i++) {
2740 ist = input_streams[i];
2742 for (j = 0; j < ist->nb_filters; j++) {
2743 if (ist->filters[j]->graph->graph_desc) {
2744 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2745 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2746 ist->filters[j]->name);
2747 if (nb_filtergraphs > 1)
2748 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2749 av_log(NULL, AV_LOG_INFO, "\n");
2754 for (i = 0; i < nb_output_streams; i++) {
2755 ost = output_streams[i];
2757 if (ost->attachment_filename) {
2758 /* an attached file */
2759 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2760 ost->attachment_filename, ost->file_index, ost->index);
2764 if (ost->filter && ost->filter->graph->graph_desc) {
2765 /* output from a complex graph */
2766 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2767 if (nb_filtergraphs > 1)
2768 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2770 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2771 ost->index, ost->enc ? ost->enc->name : "?");
2775 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2776 input_streams[ost->source_index]->file_index,
2777 input_streams[ost->source_index]->st->index,
2780 if (ost->sync_ist != input_streams[ost->source_index])
2781 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2782 ost->sync_ist->file_index,
2783 ost->sync_ist->st->index);
2784 if (ost->stream_copy)
2785 av_log(NULL, AV_LOG_INFO, " (copy)");
2787 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2788 input_streams[ost->source_index]->dec->name : "?",
2789 ost->enc ? ost->enc->name : "?");
2790 av_log(NULL, AV_LOG_INFO, "\n");
2794 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2805 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2806 static int need_output(void)
2810 for (i = 0; i < nb_output_streams; i++) {
2811 OutputStream *ost = output_streams[i];
2812 OutputFile *of = output_files[ost->file_index];
2813 AVFormatContext *os = output_files[ost->file_index]->ctx;
2815 if (ost->finished ||
2816 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2818 if (ost->frame_number >= ost->max_frames) {
2820 for (j = 0; j < of->ctx->nb_streams; j++)
2821 close_output_stream(output_streams[of->ost_index + j]);
2832 * Select the output stream to process.
2834 * @return selected output stream, or NULL if none available
2836 static OutputStream *choose_output(void)
2839 int64_t opts_min = INT64_MAX;
2840 OutputStream *ost_min = NULL;
2842 for (i = 0; i < nb_output_streams; i++) {
2843 OutputStream *ost = output_streams[i];
2844 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2846 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2854 static int check_keyboard_interaction(int64_t cur_time)
2857 static int64_t last_time;
2858 if (received_nb_signals)
2859 return AVERROR_EXIT;
2860 /* read_key() returns 0 on EOF */
2861 if(cur_time - last_time >= 100000 && !run_as_daemon){
2863 last_time = cur_time;
2867 return AVERROR_EXIT;
2868 if (key == '+') av_log_set_level(av_log_get_level()+10);
2869 if (key == '-') av_log_set_level(av_log_get_level()-10);
2870 if (key == 's') qp_hist ^= 1;
2873 do_hex_dump = do_pkt_dump = 0;
2874 } else if(do_pkt_dump){
2878 av_log_set_level(AV_LOG_DEBUG);
2880 if (key == 'c' || key == 'C'){
2881 char buf[4096], target[64], command[256], arg[256] = {0};
2884 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
2886 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2891 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2892 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2893 target, time, command, arg);
2894 for (i = 0; i < nb_filtergraphs; i++) {
2895 FilterGraph *fg = filtergraphs[i];
2898 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2899 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2900 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
2901 } else if (key == 'c') {
2902 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
2903 ret = AVERROR_PATCHWELCOME;
2905 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2910 av_log(NULL, AV_LOG_ERROR,
2911 "Parse error, at least 3 arguments were expected, "
2912 "only %d given in string '%s'\n", n, buf);
2915 if (key == 'd' || key == 'D'){
2918 debug = input_streams[0]->st->codec->debug<<1;
2919 if(!debug) debug = 1;
2920 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2923 if(scanf("%d", &debug)!=1)
2924 fprintf(stderr,"error parsing debug value\n");
2925 for(i=0;i<nb_input_streams;i++) {
2926 input_streams[i]->st->codec->debug = debug;
2928 for(i=0;i<nb_output_streams;i++) {
2929 OutputStream *ost = output_streams[i];
2930 ost->st->codec->debug = debug;
2932 if(debug) av_log_set_level(AV_LOG_DEBUG);
2933 fprintf(stderr,"debug=%d\n", debug);
2936 fprintf(stderr, "key function\n"
2937 "? show this help\n"
2938 "+ increase verbosity\n"
2939 "- decrease verbosity\n"
2940 "c Send command to first matching filter supporting it\n"
2941 "C Send/Que command to all matching filters\n"
2942 "D cycle through available debug modes\n"
2943 "h dump packets/hex press to cycle through the 3 states\n"
2945 "s Show QP histogram\n"
2952 static void *input_thread(void *arg)
2957 while (!transcoding_finished && ret >= 0) {
2959 ret = av_read_frame(f->ctx, &pkt);
2961 if (ret == AVERROR(EAGAIN)) {
2968 pthread_mutex_lock(&f->fifo_lock);
2969 while (!av_fifo_space(f->fifo))
2970 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2972 av_dup_packet(&pkt);
2973 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2974 pthread_cond_signal(&f->fifo_cond);
2976 pthread_mutex_unlock(&f->fifo_lock);
2979 pthread_mutex_lock(&f->fifo_lock);
2981 pthread_cond_signal(&f->fifo_cond);
2982 pthread_mutex_unlock(&f->fifo_lock);
2986 static void free_input_threads(void)
2990 if (nb_input_files == 1)
2993 transcoding_finished = 1;
2995 for (i = 0; i < nb_input_files; i++) {
2996 InputFile *f = input_files[i];
2999 if (!f->fifo || f->joined)
3002 pthread_mutex_lock(&f->fifo_lock);
3003 while (av_fifo_size(f->fifo)) {
3004 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3005 av_free_packet(&pkt);
3007 pthread_cond_signal(&f->fifo_cond);
3008 pthread_mutex_unlock(&f->fifo_lock);
3010 pthread_join(f->thread, NULL);
3013 while (av_fifo_size(f->fifo)) {
3014 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3015 av_free_packet(&pkt);
3017 av_fifo_free(f->fifo);
3021 static int init_input_threads(void)
3025 if (nb_input_files == 1)
3028 for (i = 0; i < nb_input_files; i++) {
3029 InputFile *f = input_files[i];
3031 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3032 return AVERROR(ENOMEM);
3034 if (f->ctx->pb ? !f->ctx->pb->seekable :
3035 strcmp(f->ctx->iformat->name, "lavfi"))
3036 f->non_blocking = 1;
3038 pthread_mutex_init(&f->fifo_lock, NULL);
3039 pthread_cond_init (&f->fifo_cond, NULL);
3041 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3042 return AVERROR(ret);
3047 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3051 pthread_mutex_lock(&f->fifo_lock);
3054 if (av_fifo_size(f->fifo)) {
3055 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3056 pthread_cond_signal(&f->fifo_cond);
3063 if (f->non_blocking) {
3064 ret = AVERROR(EAGAIN);
3067 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3071 pthread_mutex_unlock(&f->fifo_lock);
3077 static int get_input_packet(InputFile *f, AVPacket *pkt)
3081 for (i = 0; i < f->nb_streams; i++) {
3082 InputStream *ist = input_streams[f->ist_index + i];
3083 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3084 int64_t now = av_gettime() - ist->start;
3086 return AVERROR(EAGAIN);
3091 if (nb_input_files > 1)
3092 return get_input_packet_mt(f, pkt);
3094 return av_read_frame(f->ctx, pkt);
3097 static int got_eagain(void)
3100 for (i = 0; i < nb_output_streams; i++)
3101 if (output_streams[i]->unavailable)
3106 static void reset_eagain(void)
3109 for (i = 0; i < nb_input_files; i++)
3110 input_files[i]->eagain = 0;
3111 for (i = 0; i < nb_output_streams; i++)
3112 output_streams[i]->unavailable = 0;
3117 * - 0 -- one packet was read and processed
3118 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3119 * this function should be called again
3120 * - AVERROR_EOF -- this function should not be called again
3122 static int process_input(int file_index)
3124 InputFile *ifile = input_files[file_index];
3125 AVFormatContext *is;
3131 ret = get_input_packet(ifile, &pkt);
3133 if (ret == AVERROR(EAGAIN)) {
3138 if (ret != AVERROR_EOF) {
3139 print_error(is->filename, ret);
3143 ifile->eof_reached = 1;
3145 for (i = 0; i < ifile->nb_streams; i++) {
3146 ist = input_streams[ifile->ist_index + i];
3147 if (ist->decoding_needed)
3148 output_packet(ist, NULL);
3150 /* mark all outputs that don't go through lavfi as finished */
3151 for (j = 0; j < nb_output_streams; j++) {
3152 OutputStream *ost = output_streams[j];
3154 if (ost->source_index == ifile->ist_index + i &&
3155 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3156 close_output_stream(ost);
3160 return AVERROR(EAGAIN);
3166 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3167 is->streams[pkt.stream_index]);
3169 /* the following test is needed in case new streams appear
3170 dynamically in stream : we ignore them */
3171 if (pkt.stream_index >= ifile->nb_streams) {
3172 report_new_stream(file_index, &pkt);
3173 goto discard_packet;
3176 ist = input_streams[ifile->ist_index + pkt.stream_index];
3179 goto discard_packet;
3182 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3183 "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",
3184 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3185 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3186 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3187 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3188 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3189 av_ts2str(input_files[ist->file_index]->ts_offset),
3190 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3193 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3194 int64_t stime, stime2;
3195 // Correcting starttime based on the enabled streams
3196 // 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.
3197 // so we instead do it here as part of discontinuity handling
3198 if ( ist->next_dts == AV_NOPTS_VALUE
3199 && ifile->ts_offset == -is->start_time
3200 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3201 int64_t new_start_time = INT64_MAX;
3202 for (i=0; i<is->nb_streams; i++) {
3203 AVStream *st = is->streams[i];
3204 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3206 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3208 if (new_start_time > is->start_time) {
3209 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3210 ifile->ts_offset = -new_start_time;
3214 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3215 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3216 ist->wrap_correction_done = 1;
3218 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3219 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3220 ist->wrap_correction_done = 0;
3222 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3223 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3224 ist->wrap_correction_done = 0;
3228 /* add the stream-global side data to the first packet */
3229 if (ist->nb_packets == 1)
3230 for (i = 0; i < ist->st->nb_side_data; i++) {
3231 AVPacketSideData *src_sd = &ist->st->side_data[i];
3234 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3237 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3241 memcpy(dst_data, src_sd->data, src_sd->size);
3244 if (pkt.dts != AV_NOPTS_VALUE)
3245 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3246 if (pkt.pts != AV_NOPTS_VALUE)
3247 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3249 if (pkt.pts != AV_NOPTS_VALUE)
3250 pkt.pts *= ist->ts_scale;
3251 if (pkt.dts != AV_NOPTS_VALUE)
3252 pkt.dts *= ist->ts_scale;
3254 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3255 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3256 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3257 int64_t delta = pkt_dts - ifile->last_ts;
3258 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3259 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3260 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3261 ifile->ts_offset -= delta;
3262 av_log(NULL, AV_LOG_DEBUG,
3263 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3264 delta, ifile->ts_offset);
3265 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3266 if (pkt.pts != AV_NOPTS_VALUE)
3267 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3271 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3273 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3274 int64_t delta = pkt_dts - ist->next_dts;
3275 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3276 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3277 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3278 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3279 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3280 ifile->ts_offset -= delta;
3281 av_log(NULL, AV_LOG_DEBUG,
3282 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3283 delta, ifile->ts_offset);
3284 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3285 if (pkt.pts != AV_NOPTS_VALUE)
3286 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3289 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3290 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3291 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3292 pkt.dts = AV_NOPTS_VALUE;
3294 if (pkt.pts != AV_NOPTS_VALUE){
3295 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3296 delta = pkt_pts - ist->next_dts;
3297 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3298 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3299 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3300 pkt.pts = AV_NOPTS_VALUE;
3306 if (pkt.dts != AV_NOPTS_VALUE)
3307 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3310 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",
3311 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3312 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3313 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3314 av_ts2str(input_files[ist->file_index]->ts_offset),
3315 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3318 sub2video_heartbeat(ist, pkt.pts);
3320 ret = output_packet(ist, &pkt);
3322 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3323 ist->file_index, ist->st->index, av_err2str(ret));
3329 av_free_packet(&pkt);
3335 * Perform a step of transcoding for the specified filter graph.
3337 * @param[in] graph filter graph to consider
3338 * @param[out] best_ist input stream where a frame would allow to continue
3339 * @return 0 for success, <0 for error
3341 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3344 int nb_requests, nb_requests_max = 0;
3345 InputFilter *ifilter;
3349 ret = avfilter_graph_request_oldest(graph->graph);
3351 return reap_filters();
3353 if (ret == AVERROR_EOF) {
3354 ret = reap_filters();
3355 for (i = 0; i < graph->nb_outputs; i++)
3356 close_output_stream(graph->outputs[i]->ost);
3359 if (ret != AVERROR(EAGAIN))
3362 for (i = 0; i < graph->nb_inputs; i++) {
3363 ifilter = graph->inputs[i];
3365 if (input_files[ist->file_index]->eagain ||
3366 input_files[ist->file_index]->eof_reached)
3368 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3369 if (nb_requests > nb_requests_max) {
3370 nb_requests_max = nb_requests;
3376 for (i = 0; i < graph->nb_outputs; i++)
3377 graph->outputs[i]->ost->unavailable = 1;
3383 * Run a single step of transcoding.
3385 * @return 0 for success, <0 for error
3387 static int transcode_step(void)
3393 ost = choose_output();
3400 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3405 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3410 av_assert0(ost->source_index >= 0);
3411 ist = input_streams[ost->source_index];
3414 ret = process_input(ist->file_index);
3415 if (ret == AVERROR(EAGAIN)) {
3416 if (input_files[ist->file_index]->eagain)
3417 ost->unavailable = 1;
3421 return ret == AVERROR_EOF ? 0 : ret;
3423 return reap_filters();
3427 * The following code is the main loop of the file converter
3429 static int transcode(void)
3432 AVFormatContext *os;
3435 int64_t timer_start;
3437 ret = transcode_init();
3441 if (stdin_interaction) {
3442 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3445 timer_start = av_gettime();
3448 if ((ret = init_input_threads()) < 0)
3452 while (!received_sigterm) {
3453 int64_t cur_time= av_gettime();
3455 /* if 'q' pressed, exits */
3456 if (stdin_interaction)
3457 if (check_keyboard_interaction(cur_time) < 0)
3460 /* check if there's any stream where output is still needed */
3461 if (!need_output()) {
3462 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3466 ret = transcode_step();
3468 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3471 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3475 /* dump report by using the output first video and audio streams */
3476 print_report(0, timer_start, cur_time);
3479 free_input_threads();
3482 /* at the end of stream, we must flush the decoder buffers */
3483 for (i = 0; i < nb_input_streams; i++) {
3484 ist = input_streams[i];
3485 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3486 output_packet(ist, NULL);
3493 /* write the trailer if needed and close file */
3494 for (i = 0; i < nb_output_files; i++) {
3495 os = output_files[i]->ctx;
3496 av_write_trailer(os);
3499 /* dump report by using the first video and audio streams */
3500 print_report(1, timer_start, av_gettime());
3502 /* close each encoder */
3503 for (i = 0; i < nb_output_streams; i++) {
3504 ost = output_streams[i];
3505 if (ost->encoding_needed) {
3506 av_freep(&ost->st->codec->stats_in);
3507 avcodec_close(ost->st->codec);
3511 /* close each decoder */
3512 for (i = 0; i < nb_input_streams; i++) {
3513 ist = input_streams[i];
3514 if (ist->decoding_needed) {
3515 avcodec_close(ist->st->codec);
3516 if (ist->hwaccel_uninit)
3517 ist->hwaccel_uninit(ist->st->codec);
3526 free_input_threads();
3529 if (output_streams) {
3530 for (i = 0; i < nb_output_streams; i++) {
3531 ost = output_streams[i];
3533 if (ost->stream_copy)
3534 av_freep(&ost->st->codec->extradata);
3536 fclose(ost->logfile);
3537 ost->logfile = NULL;
3539 av_freep(&ost->st->codec->subtitle_header);
3540 av_freep(&ost->forced_kf_pts);
3541 av_freep(&ost->apad);
3542 av_dict_free(&ost->opts);
3543 av_dict_free(&ost->swr_opts);
3544 av_dict_free(&ost->resample_opts);
3552 static int64_t getutime(void)
3555 struct rusage rusage;
3557 getrusage(RUSAGE_SELF, &rusage);
3558 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3559 #elif HAVE_GETPROCESSTIMES
3561 FILETIME c, e, k, u;
3562 proc = GetCurrentProcess();
3563 GetProcessTimes(proc, &c, &e, &k, &u);
3564 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3566 return av_gettime();
3570 static int64_t getmaxrss(void)
3572 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3573 struct rusage rusage;
3574 getrusage(RUSAGE_SELF, &rusage);
3575 return (int64_t)rusage.ru_maxrss * 1024;
3576 #elif HAVE_GETPROCESSMEMORYINFO
3578 PROCESS_MEMORY_COUNTERS memcounters;
3579 proc = GetCurrentProcess();
3580 memcounters.cb = sizeof(memcounters);
3581 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3582 return memcounters.PeakPagefileUsage;
3588 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3592 int main(int argc, char **argv)
3597 register_exit(ffmpeg_cleanup);
3599 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3601 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3602 parse_loglevel(argc, argv, options);
3604 if(argc>1 && !strcmp(argv[1], "-d")){
3606 av_log_set_callback(log_callback_null);
3611 avcodec_register_all();
3613 avdevice_register_all();
3615 avfilter_register_all();
3617 avformat_network_init();
3619 show_banner(argc, argv, options);
3623 /* parse options and open all input/output files */
3624 ret = ffmpeg_parse_options(argc, argv);
3628 if (nb_output_files <= 0 && nb_input_files == 0) {
3630 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3634 /* file converter / grab */
3635 if (nb_output_files <= 0) {
3636 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3640 // if (nb_input_files == 0) {
3641 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3645 current_time = ti = getutime();
3646 if (transcode() < 0)
3648 ti = getutime() - ti;
3650 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3652 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3653 decode_error_stat[0], decode_error_stat[1]);
3654 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3657 exit_program(received_nb_signals ? 255 : main_return_code);
3658 return main_return_code;