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
36 #include "libavformat/avformat.h"
37 #include "libavdevice/avdevice.h"
38 #include "libswscale/swscale.h"
39 #include "libswresample/swresample.h"
40 #include "libavutil/opt.h"
41 #include "libavutil/audioconvert.h"
42 #include "libavutil/parseutils.h"
43 #include "libavutil/samplefmt.h"
44 #include "libavutil/colorspace.h"
45 #include "libavutil/fifo.h"
46 #include "libavutil/intreadwrite.h"
47 #include "libavutil/dict.h"
48 #include "libavutil/mathematics.h"
49 #include "libavutil/pixdesc.h"
50 #include "libavutil/avstring.h"
51 #include "libavutil/libm.h"
52 #include "libavutil/imgutils.h"
53 #include "libavutil/timestamp.h"
54 #include "libavutil/bprint.h"
55 #include "libavutil/time.h"
56 #include "libavformat/os_support.h"
58 #include "libavformat/ffm.h" // not public API
60 # include "libavfilter/avcodec.h"
61 # include "libavfilter/avfilter.h"
62 # include "libavfilter/avfiltergraph.h"
63 # include "libavfilter/buffersrc.h"
64 # include "libavfilter/buffersink.h"
66 #if HAVE_SYS_RESOURCE_H
67 #include <sys/types.h>
68 #include <sys/resource.h>
69 #elif HAVE_GETPROCESSTIMES
72 #if HAVE_GETPROCESSMEMORYINFO
78 #include <sys/select.h>
83 #include <sys/ioctl.h>
99 #include "libavutil/avassert.h"
101 const char program_name[] = "ffmpeg";
102 const int program_birth_year = 2000;
104 static FILE *vstats_file;
106 static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
107 static int64_t getutime(void);
109 static int run_as_daemon = 0;
110 static int64_t video_size = 0;
111 static int64_t audio_size = 0;
112 static int64_t subtitle_size = 0;
113 static int64_t extra_size = 0;
114 static int nb_frames_dup = 0;
115 static int nb_frames_drop = 0;
117 static int current_time;
118 AVIOContext *progress_avio = NULL;
120 static uint8_t *subtitle_out;
123 /* signal to input threads that they should exit; set by the main thread */
124 static int transcoding_finished;
127 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
129 InputStream **input_streams = NULL;
130 int nb_input_streams = 0;
131 InputFile **input_files = NULL;
132 int nb_input_files = 0;
134 OutputStream **output_streams = NULL;
135 int nb_output_streams = 0;
136 OutputFile **output_files = NULL;
137 int nb_output_files = 0;
139 FilterGraph **filtergraphs;
144 /* init terminal so that we can grab keys */
145 static struct termios oldtty;
146 static int restore_tty;
151 Convert subtitles to video with alpha to insert them in filter graphs.
152 This is a temporary solution until libavfilter gets real subtitles support.
157 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
160 uint32_t *pal, *dst2;
164 if (r->type != SUBTITLE_BITMAP) {
165 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
168 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
169 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
173 dst += r->y * dst_linesize + r->x * 4;
174 src = r->pict.data[0];
175 pal = (uint32_t *)r->pict.data[1];
176 for (y = 0; y < r->h; y++) {
177 dst2 = (uint32_t *)dst;
179 for (x = 0; x < r->w; x++)
180 *(dst2++) = pal[*(src2++)];
182 src += r->pict.linesize[0];
186 static void sub2video_push_ref(InputStream *ist, int64_t pts)
188 AVFilterBufferRef *ref = ist->sub2video.ref;
191 ist->sub2video.last_pts = ref->pts = pts;
192 for (i = 0; i < ist->nb_filters; i++)
193 av_buffersrc_add_ref(ist->filters[i]->filter,
194 avfilter_ref_buffer(ref, ~0),
195 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
196 AV_BUFFERSRC_FLAG_NO_COPY);
199 static void sub2video_update(InputStream *ist, AVSubtitle *sub, int64_t pts)
201 int w = ist->sub2video.w, h = ist->sub2video.h;
202 AVFilterBufferRef *ref = ist->sub2video.ref;
210 dst_linesize = ref->linesize[0];
211 memset(dst, 0, h * dst_linesize);
212 for (i = 0; i < sub->num_rects; i++)
213 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
214 sub2video_push_ref(ist, pts);
217 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
219 InputFile *infile = input_files[ist->file_index];
223 /* When a frame is read from a file, examine all sub2video streams in
224 the same file and send the sub2video frame again. Otherwise, decoded
225 video frames could be accumulating in the filter graph while a filter
226 (possibly overlay) is desperately waiting for a subtitle frame. */
227 for (i = 0; i < infile->nb_streams; i++) {
228 InputStream *ist2 = input_streams[infile->ist_index + i];
229 if (!ist2->sub2video.ref)
231 /* subtitles seem to be usually muxed ahead of other streams;
232 if not, substracting a larger time here is necessary */
233 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
234 /* do not send the heartbeat frame if the subtitle is already ahead */
235 if (pts2 <= ist2->sub2video.last_pts)
237 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
238 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
240 sub2video_push_ref(ist2, pts2);
244 static void sub2video_flush(InputStream *ist)
248 for (i = 0; i < ist->nb_filters; i++)
249 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
252 /* end of sub2video hack */
256 av_log(NULL, AV_LOG_QUIET, "%s", "");
259 tcsetattr (0, TCSANOW, &oldtty);
263 static volatile int received_sigterm = 0;
264 static volatile int received_nb_signals = 0;
267 sigterm_handler(int sig)
269 received_sigterm = sig;
270 received_nb_signals++;
272 if(received_nb_signals > 3)
283 istty = isatty(0) && isatty(2);
285 if (istty && tcgetattr (0, &tty) == 0) {
290 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
291 |INLCR|IGNCR|ICRNL|IXON);
292 tty.c_oflag |= OPOST;
293 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
294 tty.c_cflag &= ~(CSIZE|PARENB);
299 tcsetattr (0, TCSANOW, &tty);
301 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
304 avformat_network_deinit();
306 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
307 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
309 signal(SIGXCPU, sigterm_handler);
313 /* read a key without blocking */
314 static int read_key(void)
326 n = select(1, &rfds, NULL, NULL, &tv);
335 # if HAVE_PEEKNAMEDPIPE
337 static HANDLE input_handle;
340 input_handle = GetStdHandle(STD_INPUT_HANDLE);
341 is_pipe = !GetConsoleMode(input_handle, &dw);
344 if (stdin->_cnt > 0) {
349 /* When running under a GUI, you will end here. */
350 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
367 static int decode_interrupt_cb(void *ctx)
369 return received_nb_signals > 1;
372 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
374 void av_noreturn exit_program(int ret)
378 for (i = 0; i < nb_filtergraphs; i++) {
379 avfilter_graph_free(&filtergraphs[i]->graph);
380 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
381 av_freep(&filtergraphs[i]->inputs[j]->name);
382 av_freep(&filtergraphs[i]->inputs[j]);
384 av_freep(&filtergraphs[i]->inputs);
385 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
386 av_freep(&filtergraphs[i]->outputs[j]->name);
387 av_freep(&filtergraphs[i]->outputs[j]);
389 av_freep(&filtergraphs[i]->outputs);
390 av_freep(&filtergraphs[i]);
392 av_freep(&filtergraphs);
394 av_freep(&subtitle_out);
397 for (i = 0; i < nb_output_files; i++) {
398 AVFormatContext *s = output_files[i]->ctx;
399 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
401 avformat_free_context(s);
402 av_dict_free(&output_files[i]->opts);
403 av_freep(&output_files[i]);
405 for (i = 0; i < nb_output_streams; i++) {
406 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
408 AVBitStreamFilterContext *next = bsfc->next;
409 av_bitstream_filter_close(bsfc);
412 output_streams[i]->bitstream_filters = NULL;
414 av_freep(&output_streams[i]->forced_keyframes);
415 av_freep(&output_streams[i]->avfilter);
416 av_freep(&output_streams[i]->filtered_frame);
417 av_freep(&output_streams[i]);
419 for (i = 0; i < nb_input_files; i++) {
420 avformat_close_input(&input_files[i]->ctx);
421 av_freep(&input_files[i]);
423 for (i = 0; i < nb_input_streams; i++) {
424 av_freep(&input_streams[i]->decoded_frame);
425 av_dict_free(&input_streams[i]->opts);
426 free_buffer_pool(&input_streams[i]->buffer_pool);
427 avfilter_unref_bufferp(&input_streams[i]->sub2video.ref);
428 av_freep(&input_streams[i]->filters);
429 av_freep(&input_streams[i]);
434 av_free(vstats_filename);
436 av_freep(&input_streams);
437 av_freep(&input_files);
438 av_freep(&output_streams);
439 av_freep(&output_files);
444 avformat_network_deinit();
446 if (received_sigterm) {
447 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
448 (int) received_sigterm);
455 void assert_avoptions(AVDictionary *m)
457 AVDictionaryEntry *t;
458 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
459 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
464 static void assert_codec_experimental(AVCodecContext *c, int encoder)
466 const char *codec_string = encoder ? "encoder" : "decoder";
468 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
469 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
470 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
471 "results.\nAdd '-strict experimental' if you want to use it.\n",
472 codec_string, c->codec->name);
473 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
474 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
475 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
476 codec_string, codec->name);
481 static void update_benchmark(const char *fmt, ...)
483 if (do_benchmark_all) {
484 int64_t t = getutime();
490 vsnprintf(buf, sizeof(buf), fmt, va);
492 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
498 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
500 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
501 AVCodecContext *avctx = ost->st->codec;
504 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
505 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
506 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
508 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
509 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
510 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
511 av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
512 pkt->pts = pkt->dts = max;
517 * Audio encoders may split the packets -- #frames in != #packets out.
518 * But there is no reordering, so we can limit the number of output packets
519 * by simply dropping them here.
520 * Counting encoded video frames needs to be done separately because of
521 * reordering, see do_video_out()
523 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
524 if (ost->frame_number >= ost->max_frames) {
532 AVPacket new_pkt = *pkt;
533 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
534 &new_pkt.data, &new_pkt.size,
535 pkt->data, pkt->size,
536 pkt->flags & AV_PKT_FLAG_KEY);
539 new_pkt.destruct = av_destruct_packet;
541 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
542 bsfc->filter->name, pkt->stream_index,
543 avctx->codec ? avctx->codec->name : "copy");
553 pkt->stream_index = ost->index;
554 ret = av_interleaved_write_frame(s, pkt);
556 print_error("av_interleaved_write_frame()", ret);
561 static int check_recording_time(OutputStream *ost)
563 OutputFile *of = output_files[ost->file_index];
565 if (of->recording_time != INT64_MAX &&
566 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
567 AV_TIME_BASE_Q) >= 0) {
568 ost->is_past_recording_time = 1;
574 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
577 AVCodecContext *enc = ost->st->codec;
581 av_init_packet(&pkt);
585 if (!check_recording_time(ost))
588 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
589 frame->pts = ost->sync_opts;
590 ost->sync_opts = frame->pts + frame->nb_samples;
592 av_assert0(pkt.size || !pkt.data);
593 update_benchmark(NULL);
594 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
595 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
598 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
601 if (pkt.pts != AV_NOPTS_VALUE)
602 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
603 if (pkt.dts != AV_NOPTS_VALUE)
604 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
605 if (pkt.duration > 0)
606 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
609 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
610 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
611 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
612 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
615 write_frame(s, &pkt, ost);
617 audio_size += pkt.size;
618 av_free_packet(&pkt);
622 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
626 AVPicture picture_tmp;
629 dec = ist->st->codec;
631 /* deinterlace : must be done before any resize */
632 if (do_deinterlace) {
635 /* create temporary picture */
636 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
637 buf = av_malloc(size);
641 picture2 = &picture_tmp;
642 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
644 if (avpicture_deinterlace(picture2, picture,
645 dec->pix_fmt, dec->width, dec->height) < 0) {
646 /* if error, do not deinterlace */
647 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
656 if (picture != picture2)
657 *picture = *picture2;
661 static void do_subtitle_out(AVFormatContext *s,
667 int subtitle_out_max_size = 1024 * 1024;
668 int subtitle_out_size, nb, i;
672 if (pts == AV_NOPTS_VALUE) {
673 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
679 enc = ost->st->codec;
682 subtitle_out = av_malloc(subtitle_out_max_size);
685 /* Note: DVB subtitle need one packet to draw them and one other
686 packet to clear them */
687 /* XXX: signal it in the codec context ? */
688 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
693 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
694 pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q)
695 - output_files[ost->file_index]->start_time;
696 for (i = 0; i < nb; i++) {
697 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
698 if (!check_recording_time(ost))
702 // start_display_time is required to be 0
703 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
704 sub->end_display_time -= sub->start_display_time;
705 sub->start_display_time = 0;
708 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
709 subtitle_out_max_size, sub);
710 if (subtitle_out_size < 0) {
711 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
715 av_init_packet(&pkt);
716 pkt.data = subtitle_out;
717 pkt.size = subtitle_out_size;
718 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
719 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
720 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
721 /* XXX: the pts correction is handled here. Maybe handling
722 it in the codec would be better */
724 pkt.pts += 90 * sub->start_display_time;
726 pkt.pts += 90 * sub->end_display_time;
728 write_frame(s, &pkt, ost);
729 subtitle_size += pkt.size;
733 static void do_video_out(AVFormatContext *s,
738 int ret, format_video_sync;
740 AVCodecContext *enc = ost->st->codec;
742 double sync_ipts, delta;
745 InputStream *ist = NULL;
747 if (ost->source_index >= 0)
748 ist = input_streams[ost->source_index];
750 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
751 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
753 sync_ipts = in_picture->pts;
754 delta = sync_ipts - ost->sync_opts + duration;
756 /* by default, we output a single frame */
759 format_video_sync = video_sync_method;
760 if (format_video_sync == VSYNC_AUTO)
761 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
763 switch (format_video_sync) {
765 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
768 else if (delta > 1.1)
769 nb_frames = lrintf(delta);
774 else if (delta > 0.6)
775 ost->sync_opts = lrint(sync_ipts);
778 case VSYNC_PASSTHROUGH:
779 ost->sync_opts = lrint(sync_ipts);
785 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
786 if (nb_frames == 0) {
788 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
790 } else if (nb_frames > 1) {
791 if (nb_frames > dts_error_threshold * 30) {
792 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skiping\n", nb_frames - 1);
796 nb_frames_dup += nb_frames - 1;
797 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
800 /* duplicates frame if needed */
801 for (i = 0; i < nb_frames; i++) {
802 av_init_packet(&pkt);
806 in_picture->pts = ost->sync_opts;
808 if (!check_recording_time(ost))
811 if (s->oformat->flags & AVFMT_RAWPICTURE &&
812 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
813 /* raw pictures are written as AVPicture structure to
814 avoid any copies. We support temporarily the older
816 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
817 enc->coded_frame->top_field_first = in_picture->top_field_first;
818 pkt.data = (uint8_t *)in_picture;
819 pkt.size = sizeof(AVPicture);
820 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
821 pkt.flags |= AV_PKT_FLAG_KEY;
823 write_frame(s, &pkt, ost);
824 video_size += pkt.size;
829 big_picture = *in_picture;
830 /* better than nothing: use input picture interlaced
832 big_picture.interlaced_frame = in_picture->interlaced_frame;
833 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
834 if (ost->top_field_first == -1)
835 big_picture.top_field_first = in_picture->top_field_first;
837 big_picture.top_field_first = !!ost->top_field_first;
840 /* handles same_quant here. This is not correct because it may
841 not be a global option */
842 big_picture.quality = quality;
843 if (!enc->me_threshold)
844 big_picture.pict_type = 0;
845 if (ost->forced_kf_index < ost->forced_kf_count &&
846 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
847 big_picture.pict_type = AV_PICTURE_TYPE_I;
848 ost->forced_kf_index++;
850 update_benchmark(NULL);
851 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
852 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
854 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
859 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
860 pkt.pts = ost->sync_opts;
862 if (pkt.pts != AV_NOPTS_VALUE)
863 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
864 if (pkt.dts != AV_NOPTS_VALUE)
865 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
868 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
869 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
870 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
871 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
874 write_frame(s, &pkt, ost);
875 frame_size = pkt.size;
876 video_size += pkt.size;
877 av_free_packet(&pkt);
879 /* if two pass, output log */
880 if (ost->logfile && enc->stats_out) {
881 fprintf(ost->logfile, "%s", enc->stats_out);
887 * For video, number of frames in == number of packets out.
888 * But there may be reordering, so we can't throw away frames on encoder
889 * flush, we need to limit them here, before they go into encoder.
894 if (vstats_filename && frame_size)
895 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
898 static double psnr(double d)
900 return -10.0 * log(d) / log(10.0);
903 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
908 double ti1, bitrate, avg_bitrate;
910 /* this is executed just the first time do_video_stats is called */
912 vstats_file = fopen(vstats_filename, "w");
919 enc = ost->st->codec;
920 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
921 frame_number = ost->frame_number;
922 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
923 if (enc->flags&CODEC_FLAG_PSNR)
924 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
926 fprintf(vstats_file,"f_size= %6d ", frame_size);
927 /* compute pts value */
928 ti1 = ost->sync_opts * av_q2d(enc->time_base);
932 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
933 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
934 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
935 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
936 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
940 /* check for new output on any of the filtergraphs */
941 static int poll_filters(void)
943 AVFilterBufferRef *picref;
944 AVFrame *filtered_frame = NULL;
946 unsigned nb_success = 1, av_uninit(nb_eof);
950 /* Reap all buffers present in the buffer sinks */
951 for (i = 0; i < nb_output_streams; i++) {
952 OutputStream *ost = output_streams[i];
953 OutputFile *of = output_files[ost->file_index];
959 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
960 return AVERROR(ENOMEM);
962 avcodec_get_frame_defaults(ost->filtered_frame);
963 filtered_frame = ost->filtered_frame;
966 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
967 AV_BUFFERSINK_FLAG_NO_REQUEST);
969 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
971 av_strerror(ret, buf, sizeof(buf));
972 av_log(NULL, AV_LOG_WARNING,
973 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
977 frame_pts = AV_NOPTS_VALUE;
978 if (picref->pts != AV_NOPTS_VALUE) {
979 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
980 ost->filter->filter->inputs[0]->time_base,
981 ost->st->codec->time_base) -
982 av_rescale_q(of->start_time,
984 ost->st->codec->time_base);
986 if (of->start_time && filtered_frame->pts < 0) {
987 avfilter_unref_buffer(picref);
991 //if (ost->source_index >= 0)
992 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
995 switch (ost->filter->filter->inputs[0]->type) {
996 case AVMEDIA_TYPE_VIDEO:
997 avfilter_copy_buf_props(filtered_frame, picref);
998 filtered_frame->pts = frame_pts;
999 if (!ost->frame_aspect_ratio)
1000 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
1002 do_video_out(of->ctx, ost, filtered_frame,
1003 same_quant ? ost->last_quality :
1004 ost->st->codec->global_quality);
1006 case AVMEDIA_TYPE_AUDIO:
1007 avfilter_copy_buf_props(filtered_frame, picref);
1008 filtered_frame->pts = frame_pts;
1009 do_audio_out(of->ctx, ost, filtered_frame);
1012 // TODO support subtitle filters
1016 avfilter_unref_buffer(picref);
1019 if (!nb_success) /* from last round */
1021 /* Request frames through all the graphs */
1022 ret_all = nb_success = nb_eof = 0;
1023 for (i = 0; i < nb_filtergraphs; i++) {
1024 ret = avfilter_graph_request_oldest(filtergraphs[i]->graph);
1027 } else if (ret == AVERROR_EOF) {
1029 } else if (ret != AVERROR(EAGAIN)) {
1031 av_strerror(ret, buf, sizeof(buf));
1032 av_log(NULL, AV_LOG_WARNING,
1033 "Error in request_frame(): %s\n", buf);
1037 /* Try again if anything succeeded */
1039 return nb_eof == nb_filtergraphs ? AVERROR_EOF : ret_all;
1042 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1045 AVBPrint buf_script;
1047 AVFormatContext *oc;
1049 AVCodecContext *enc;
1050 int frame_number, vid, i;
1052 int64_t pts = INT64_MAX;
1053 static int64_t last_time = -1;
1054 static int qp_histogram[52];
1055 int hours, mins, secs, us;
1057 if (!print_stats && !is_last_report && !progress_avio)
1060 if (!is_last_report) {
1061 if (last_time == -1) {
1062 last_time = cur_time;
1065 if ((cur_time - last_time) < 500000)
1067 last_time = cur_time;
1071 oc = output_files[0]->ctx;
1073 total_size = avio_size(oc->pb);
1074 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1075 total_size = avio_tell(oc->pb);
1082 av_bprint_init(&buf_script, 0, 1);
1083 for (i = 0; i < nb_output_streams; i++) {
1085 ost = output_streams[i];
1086 enc = ost->st->codec;
1087 if (!ost->stream_copy && enc->coded_frame)
1088 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1089 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1090 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1091 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1092 ost->file_index, ost->index, q);
1094 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1095 float fps, t = (cur_time-timer_start) / 1000000.0;
1097 frame_number = ost->frame_number;
1098 fps = t > 1 ? frame_number / t : 0;
1099 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1100 frame_number, fps < 9.95, fps, q);
1101 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1102 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1103 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1104 ost->file_index, ost->index, q);
1106 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1110 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1112 for (j = 0; j < 32; j++)
1113 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1115 if (enc->flags&CODEC_FLAG_PSNR) {
1117 double error, error_sum = 0;
1118 double scale, scale_sum = 0;
1120 char type[3] = { 'Y','U','V' };
1121 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1122 for (j = 0; j < 3; j++) {
1123 if (is_last_report) {
1124 error = enc->error[j];
1125 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1127 error = enc->coded_frame->error[j];
1128 scale = enc->width * enc->height * 255.0 * 255.0;
1134 p = psnr(error / scale);
1135 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1136 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1137 ost->file_index, ost->index, type[i] | 32, p);
1139 p = psnr(error_sum / scale_sum);
1140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1141 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1142 ost->file_index, ost->index, p);
1146 /* compute min output value */
1147 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1148 ost->st->time_base, AV_TIME_BASE_Q));
1151 secs = pts / AV_TIME_BASE;
1152 us = pts % AV_TIME_BASE;
1158 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1161 "size=%8.0fkB time=", total_size / 1024.0);
1162 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1163 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1164 (100 * us) / AV_TIME_BASE);
1165 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1166 "bitrate=%6.1fkbits/s", bitrate);
1167 av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1168 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1169 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1170 hours, mins, secs, us);
1172 if (nb_frames_dup || nb_frames_drop)
1173 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1174 nb_frames_dup, nb_frames_drop);
1175 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1176 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1178 if (print_stats || is_last_report) {
1179 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1184 if (progress_avio) {
1185 av_bprintf(&buf_script, "progress=%s\n",
1186 is_last_report ? "end" : "continue");
1187 avio_write(progress_avio, buf_script.str,
1188 FFMIN(buf_script.len, buf_script.size - 1));
1189 avio_flush(progress_avio);
1190 av_bprint_finalize(&buf_script, NULL);
1191 if (is_last_report) {
1192 avio_close(progress_avio);
1193 progress_avio = NULL;
1197 if (is_last_report) {
1198 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1199 av_log(NULL, AV_LOG_INFO, "\n");
1200 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1201 video_size / 1024.0,
1202 audio_size / 1024.0,
1203 subtitle_size / 1024.0,
1204 extra_size / 1024.0,
1205 100.0 * (total_size - raw) / raw
1207 if(video_size + audio_size + subtitle_size + extra_size == 0){
1208 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1213 static void flush_encoders(void)
1217 for (i = 0; i < nb_output_streams; i++) {
1218 OutputStream *ost = output_streams[i];
1219 AVCodecContext *enc = ost->st->codec;
1220 AVFormatContext *os = output_files[ost->file_index]->ctx;
1221 int stop_encoding = 0;
1223 if (!ost->encoding_needed)
1226 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1228 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1232 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1236 switch (ost->st->codec->codec_type) {
1237 case AVMEDIA_TYPE_AUDIO:
1238 encode = avcodec_encode_audio2;
1242 case AVMEDIA_TYPE_VIDEO:
1243 encode = avcodec_encode_video2;
1254 av_init_packet(&pkt);
1258 update_benchmark(NULL);
1259 ret = encode(enc, &pkt, NULL, &got_packet);
1260 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1262 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1266 if (ost->logfile && enc->stats_out) {
1267 fprintf(ost->logfile, "%s", enc->stats_out);
1273 if (pkt.pts != AV_NOPTS_VALUE)
1274 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1275 if (pkt.dts != AV_NOPTS_VALUE)
1276 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1277 write_frame(os, &pkt, ost);
1287 * Check whether a packet from ist should be written into ost at this time
1289 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1291 OutputFile *of = output_files[ost->file_index];
1292 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1294 if (ost->source_index != ist_index)
1297 if (of->start_time && ist->pts < of->start_time)
1303 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1305 OutputFile *of = output_files[ost->file_index];
1306 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1310 av_init_packet(&opkt);
1312 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1313 !ost->copy_initial_nonkeyframes)
1316 if (of->recording_time != INT64_MAX &&
1317 ist->pts >= of->recording_time + of->start_time) {
1318 ost->is_past_recording_time = 1;
1322 /* force the input stream PTS */
1323 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1324 audio_size += pkt->size;
1325 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1326 video_size += pkt->size;
1328 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1329 subtitle_size += pkt->size;
1332 if (pkt->pts != AV_NOPTS_VALUE)
1333 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1335 opkt.pts = AV_NOPTS_VALUE;
1337 if (pkt->dts == AV_NOPTS_VALUE)
1338 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1340 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1341 opkt.dts -= ost_tb_start_time;
1343 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1344 opkt.flags = pkt->flags;
1346 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1347 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1348 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1349 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1350 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1352 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1353 opkt.destruct = av_destruct_packet;
1355 opkt.data = pkt->data;
1356 opkt.size = pkt->size;
1359 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1360 /* store AVPicture in AVPacket, as expected by the output format */
1361 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1362 opkt.data = (uint8_t *)&pict;
1363 opkt.size = sizeof(AVPicture);
1364 opkt.flags |= AV_PKT_FLAG_KEY;
1367 write_frame(of->ctx, &opkt, ost);
1368 ost->st->codec->frame_number++;
1369 av_free_packet(&opkt);
1372 static void rate_emu_sleep(InputStream *ist)
1374 if (input_files[ist->file_index]->rate_emu) {
1375 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1376 int64_t now = av_gettime() - ist->start;
1378 av_usleep(pts - now);
1382 int guess_input_channel_layout(InputStream *ist)
1384 AVCodecContext *dec = ist->st->codec;
1386 if (!dec->channel_layout) {
1387 char layout_name[256];
1389 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1390 if (!dec->channel_layout)
1392 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1393 dec->channels, dec->channel_layout);
1394 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1395 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1400 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1402 AVFrame *decoded_frame;
1403 AVCodecContext *avctx = ist->st->codec;
1404 int i, ret, resample_changed;
1405 AVRational decoded_frame_tb;
1407 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1408 return AVERROR(ENOMEM);
1410 avcodec_get_frame_defaults(ist->decoded_frame);
1411 decoded_frame = ist->decoded_frame;
1413 update_benchmark(NULL);
1414 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1415 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1417 if (ret >= 0 && avctx->sample_rate <= 0) {
1418 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1419 return AVERROR_INVALIDDATA;
1422 if (!*got_output || ret < 0) {
1424 for (i = 0; i < ist->nb_filters; i++)
1425 av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
1426 AV_BUFFERSRC_FLAG_NO_COPY);
1432 /* increment next_dts to use for the case where the input stream does not
1433 have timestamps or there are multiple frames in the packet */
1434 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1436 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1440 rate_emu_sleep(ist);
1442 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1443 ist->resample_channels != avctx->channels ||
1444 ist->resample_channel_layout != decoded_frame->channel_layout ||
1445 ist->resample_sample_rate != decoded_frame->sample_rate;
1446 if (resample_changed) {
1447 char layout1[64], layout2[64];
1449 if (!guess_input_channel_layout(ist)) {
1450 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1451 "layout for Input Stream #%d.%d\n", ist->file_index,
1455 decoded_frame->channel_layout = avctx->channel_layout;
1457 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1458 ist->resample_channel_layout);
1459 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1460 decoded_frame->channel_layout);
1462 av_log(NULL, AV_LOG_INFO,
1463 "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",
1464 ist->file_index, ist->st->index,
1465 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1466 ist->resample_channels, layout1,
1467 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1468 avctx->channels, layout2);
1470 ist->resample_sample_fmt = decoded_frame->format;
1471 ist->resample_sample_rate = decoded_frame->sample_rate;
1472 ist->resample_channel_layout = decoded_frame->channel_layout;
1473 ist->resample_channels = avctx->channels;
1475 for (i = 0; i < nb_filtergraphs; i++)
1476 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1477 FilterGraph *fg = filtergraphs[i];
1479 if (configure_filtergraph(fg) < 0) {
1480 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1483 for (j = 0; j < fg->nb_outputs; j++) {
1484 OutputStream *ost = fg->outputs[j]->ost;
1485 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1486 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1487 av_buffersink_set_frame_size(ost->filter->filter,
1488 ost->st->codec->frame_size);
1493 /* if the decoder provides a pts, use it instead of the last packet pts.
1494 the decoder could be delaying output by a packet or more. */
1495 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1496 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1497 decoded_frame_tb = avctx->time_base;
1498 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1499 decoded_frame->pts = decoded_frame->pkt_pts;
1500 pkt->pts = AV_NOPTS_VALUE;
1501 decoded_frame_tb = ist->st->time_base;
1502 } else if (pkt->pts != AV_NOPTS_VALUE) {
1503 decoded_frame->pts = pkt->pts;
1504 pkt->pts = AV_NOPTS_VALUE;
1505 decoded_frame_tb = ist->st->time_base;
1507 decoded_frame->pts = ist->dts;
1508 decoded_frame_tb = AV_TIME_BASE_Q;
1510 if (decoded_frame->pts != AV_NOPTS_VALUE)
1511 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1513 (AVRational){1, ist->st->codec->sample_rate});
1514 for (i = 0; i < ist->nb_filters; i++)
1515 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
1517 decoded_frame->pts = AV_NOPTS_VALUE;
1522 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1524 AVFrame *decoded_frame;
1525 void *buffer_to_free = NULL;
1526 int i, ret = 0, resample_changed;
1527 int64_t best_effort_timestamp;
1528 AVRational *frame_sample_aspect;
1531 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1532 return AVERROR(ENOMEM);
1534 avcodec_get_frame_defaults(ist->decoded_frame);
1535 decoded_frame = ist->decoded_frame;
1536 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1538 update_benchmark(NULL);
1539 ret = avcodec_decode_video2(ist->st->codec,
1540 decoded_frame, got_output, pkt);
1541 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1542 if (!*got_output || ret < 0) {
1544 for (i = 0; i < ist->nb_filters; i++)
1545 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
1550 quality = same_quant ? decoded_frame->quality : 0;
1552 if(ist->top_field_first>=0)
1553 decoded_frame->top_field_first = ist->top_field_first;
1555 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1556 if(best_effort_timestamp != AV_NOPTS_VALUE)
1557 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1560 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1561 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1562 ist->st->index, av_ts2str(decoded_frame->pts),
1563 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1564 best_effort_timestamp,
1565 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1566 decoded_frame->key_frame, decoded_frame->pict_type);
1570 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1572 rate_emu_sleep(ist);
1574 if (ist->st->sample_aspect_ratio.num)
1575 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1577 resample_changed = ist->resample_width != decoded_frame->width ||
1578 ist->resample_height != decoded_frame->height ||
1579 ist->resample_pix_fmt != decoded_frame->format;
1580 if (resample_changed) {
1581 av_log(NULL, AV_LOG_INFO,
1582 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1583 ist->file_index, ist->st->index,
1584 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1585 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1587 ist->resample_width = decoded_frame->width;
1588 ist->resample_height = decoded_frame->height;
1589 ist->resample_pix_fmt = decoded_frame->format;
1591 for (i = 0; i < nb_filtergraphs; i++)
1592 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1593 configure_filtergraph(filtergraphs[i]) < 0) {
1594 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1599 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1600 for (i = 0; i < ist->nb_filters; i++) {
1601 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
1602 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
1603 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
1604 // XXX what an ugly hack
1605 if (ist->filters[i]->graph->nb_outputs == 1)
1606 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1608 if (!frame_sample_aspect->num)
1609 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1610 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
1611 FrameBuffer *buf = decoded_frame->opaque;
1612 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1613 decoded_frame->data, decoded_frame->linesize,
1614 AV_PERM_READ | AV_PERM_PRESERVE,
1615 ist->st->codec->width, ist->st->codec->height,
1616 ist->st->codec->pix_fmt);
1618 avfilter_copy_frame_props(fb, decoded_frame);
1619 fb->buf->priv = buf;
1620 fb->buf->free = filter_release_buffer;
1622 av_assert0(buf->refcount>0);
1624 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
1625 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
1626 AV_BUFFERSRC_FLAG_NO_COPY);
1628 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) {
1629 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
1635 av_free(buffer_to_free);
1639 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1641 AVSubtitle subtitle;
1642 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1643 &subtitle, got_output, pkt);
1644 if (ret < 0 || !*got_output) {
1646 sub2video_flush(ist);
1650 rate_emu_sleep(ist);
1652 sub2video_update(ist, &subtitle, pkt->pts);
1654 for (i = 0; i < nb_output_streams; i++) {
1655 OutputStream *ost = output_streams[i];
1657 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1660 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
1663 avsubtitle_free(&subtitle);
1667 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1668 static int output_packet(InputStream *ist, const AVPacket *pkt)
1674 if (!ist->saw_first_ts) {
1675 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;
1677 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1678 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1679 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1681 ist->saw_first_ts = 1;
1684 if (ist->next_dts == AV_NOPTS_VALUE)
1685 ist->next_dts = ist->dts;
1686 if (ist->next_pts == AV_NOPTS_VALUE)
1687 ist->next_pts = ist->pts;
1691 av_init_packet(&avpkt);
1699 if (pkt->dts != AV_NOPTS_VALUE) {
1700 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1701 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1702 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1705 // while we have more to decode or while the decoder did output something on EOF
1706 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1710 ist->pts = ist->next_pts;
1711 ist->dts = ist->next_dts;
1713 if (avpkt.size && avpkt.size != pkt->size) {
1714 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1715 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1716 ist->showed_multi_packet_warning = 1;
1719 switch (ist->st->codec->codec_type) {
1720 case AVMEDIA_TYPE_AUDIO:
1721 ret = decode_audio (ist, &avpkt, &got_output);
1723 case AVMEDIA_TYPE_VIDEO:
1724 ret = decode_video (ist, &avpkt, &got_output);
1725 if (avpkt.duration) {
1726 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1727 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1728 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1729 duration = ((int64_t)AV_TIME_BASE *
1730 ist->st->codec->time_base.num * ticks) /
1731 ist->st->codec->time_base.den;
1735 if(ist->dts != AV_NOPTS_VALUE && duration) {
1736 ist->next_dts += duration;
1738 ist->next_dts = AV_NOPTS_VALUE;
1741 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1743 case AVMEDIA_TYPE_SUBTITLE:
1744 ret = transcode_subtitles(ist, &avpkt, &got_output);
1754 avpkt.pts= AV_NOPTS_VALUE;
1756 // touch data and size only if not EOF
1758 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1768 /* handle stream copy */
1769 if (!ist->decoding_needed) {
1770 rate_emu_sleep(ist);
1771 ist->dts = ist->next_dts;
1772 switch (ist->st->codec->codec_type) {
1773 case AVMEDIA_TYPE_AUDIO:
1774 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1775 ist->st->codec->sample_rate;
1777 case AVMEDIA_TYPE_VIDEO:
1778 if (pkt->duration) {
1779 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1780 } else if(ist->st->codec->time_base.num != 0) {
1781 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1782 ist->next_dts += ((int64_t)AV_TIME_BASE *
1783 ist->st->codec->time_base.num * ticks) /
1784 ist->st->codec->time_base.den;
1788 ist->pts = ist->dts;
1789 ist->next_pts = ist->next_dts;
1791 for (i = 0; pkt && i < nb_output_streams; i++) {
1792 OutputStream *ost = output_streams[i];
1794 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1797 do_streamcopy(ist, ost, pkt);
1803 static void print_sdp(void)
1807 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1811 for (i = 0; i < nb_output_files; i++)
1812 avc[i] = output_files[i]->ctx;
1814 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1815 printf("SDP:\n%s\n", sdp);
1820 static int init_input_stream(int ist_index, char *error, int error_len)
1822 InputStream *ist = input_streams[ist_index];
1824 if (ist->decoding_needed) {
1825 AVCodec *codec = ist->dec;
1827 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1828 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1829 return AVERROR(EINVAL);
1832 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
1833 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
1834 ist->st->codec->get_buffer = codec_get_buffer;
1835 ist->st->codec->release_buffer = codec_release_buffer;
1836 ist->st->codec->opaque = &ist->buffer_pool;
1839 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1840 av_dict_set(&ist->opts, "threads", "auto", 0);
1841 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1842 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1843 ist->file_index, ist->st->index);
1844 return AVERROR(EINVAL);
1846 assert_codec_experimental(ist->st->codec, 0);
1847 assert_avoptions(ist->opts);
1850 ist->next_pts = AV_NOPTS_VALUE;
1851 ist->next_dts = AV_NOPTS_VALUE;
1857 static InputStream *get_input_stream(OutputStream *ost)
1859 if (ost->source_index >= 0)
1860 return input_streams[ost->source_index];
1864 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1865 AVCodecContext *avctx)
1871 for (p = kf; *p; p++)
1874 ost->forced_kf_count = n;
1875 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1876 if (!ost->forced_kf_pts) {
1877 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1882 for (i = 0; i < n; i++) {
1883 char *next = strchr(p, ',');
1888 t = parse_time_or_die("force_key_frames", p, 1);
1889 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1895 static void report_new_stream(int input_index, AVPacket *pkt)
1897 InputFile *file = input_files[input_index];
1898 AVStream *st = file->ctx->streams[pkt->stream_index];
1900 if (pkt->stream_index < file->nb_streams_warn)
1902 av_log(file->ctx, AV_LOG_WARNING,
1903 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
1904 av_get_media_type_string(st->codec->codec_type),
1905 input_index, pkt->stream_index,
1906 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
1907 file->nb_streams_warn = pkt->stream_index + 1;
1910 static int transcode_init(void)
1912 int ret = 0, i, j, k;
1913 AVFormatContext *oc;
1914 AVCodecContext *codec, *icodec = NULL;
1920 /* init framerate emulation */
1921 for (i = 0; i < nb_input_files; i++) {
1922 InputFile *ifile = input_files[i];
1923 if (ifile->rate_emu)
1924 for (j = 0; j < ifile->nb_streams; j++)
1925 input_streams[j + ifile->ist_index]->start = av_gettime();
1928 /* output stream init */
1929 for (i = 0; i < nb_output_files; i++) {
1930 oc = output_files[i]->ctx;
1931 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1932 av_dump_format(oc, i, oc->filename, 1);
1933 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1934 return AVERROR(EINVAL);
1938 /* init complex filtergraphs */
1939 for (i = 0; i < nb_filtergraphs; i++)
1940 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1943 /* for each output stream, we compute the right encoding parameters */
1944 for (i = 0; i < nb_output_streams; i++) {
1945 ost = output_streams[i];
1946 oc = output_files[ost->file_index]->ctx;
1947 ist = get_input_stream(ost);
1949 if (ost->attachment_filename)
1952 codec = ost->st->codec;
1955 icodec = ist->st->codec;
1957 ost->st->disposition = ist->st->disposition;
1958 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1959 codec->chroma_sample_location = icodec->chroma_sample_location;
1962 if (ost->stream_copy) {
1963 uint64_t extra_size;
1965 av_assert0(ist && !ost->filter);
1967 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1969 if (extra_size > INT_MAX) {
1970 return AVERROR(EINVAL);
1973 /* if stream_copy is selected, no need to decode or encode */
1974 codec->codec_id = icodec->codec_id;
1975 codec->codec_type = icodec->codec_type;
1977 if (!codec->codec_tag) {
1978 if (!oc->oformat->codec_tag ||
1979 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1980 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
1981 codec->codec_tag = icodec->codec_tag;
1984 codec->bit_rate = icodec->bit_rate;
1985 codec->rc_max_rate = icodec->rc_max_rate;
1986 codec->rc_buffer_size = icodec->rc_buffer_size;
1987 codec->field_order = icodec->field_order;
1988 codec->extradata = av_mallocz(extra_size);
1989 if (!codec->extradata) {
1990 return AVERROR(ENOMEM);
1992 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1993 codec->extradata_size= icodec->extradata_size;
1994 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
1996 codec->time_base = ist->st->time_base;
1998 * Avi is a special case here because it supports variable fps but
1999 * having the fps and timebase differe significantly adds quite some
2002 if(!strcmp(oc->oformat->name, "avi")) {
2003 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2004 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2005 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2006 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2008 codec->time_base.num = ist->st->r_frame_rate.den;
2009 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2010 codec->ticks_per_frame = 2;
2011 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2012 && av_q2d(ist->st->time_base) < 1.0/500
2014 codec->time_base = icodec->time_base;
2015 codec->time_base.num *= icodec->ticks_per_frame;
2016 codec->time_base.den *= 2;
2017 codec->ticks_per_frame = 2;
2019 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2020 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2021 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2023 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2024 && av_q2d(ist->st->time_base) < 1.0/500
2026 codec->time_base = icodec->time_base;
2027 codec->time_base.num *= icodec->ticks_per_frame;
2031 if(ost->frame_rate.num)
2032 codec->time_base = av_inv_q(ost->frame_rate);
2034 av_reduce(&codec->time_base.num, &codec->time_base.den,
2035 codec->time_base.num, codec->time_base.den, INT_MAX);
2037 switch (codec->codec_type) {
2038 case AVMEDIA_TYPE_AUDIO:
2039 if (audio_volume != 256) {
2040 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2043 codec->channel_layout = icodec->channel_layout;
2044 codec->sample_rate = icodec->sample_rate;
2045 codec->channels = icodec->channels;
2046 codec->frame_size = icodec->frame_size;
2047 codec->audio_service_type = icodec->audio_service_type;
2048 codec->block_align = icodec->block_align;
2049 if((codec->block_align == 1 || codec->block_align == 1152) && codec->codec_id == AV_CODEC_ID_MP3)
2050 codec->block_align= 0;
2051 if(codec->codec_id == AV_CODEC_ID_AC3)
2052 codec->block_align= 0;
2054 case AVMEDIA_TYPE_VIDEO:
2055 codec->pix_fmt = icodec->pix_fmt;
2056 codec->width = icodec->width;
2057 codec->height = icodec->height;
2058 codec->has_b_frames = icodec->has_b_frames;
2059 if (!codec->sample_aspect_ratio.num) {
2060 codec->sample_aspect_ratio =
2061 ost->st->sample_aspect_ratio =
2062 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2063 ist->st->codec->sample_aspect_ratio.num ?
2064 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2066 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2068 case AVMEDIA_TYPE_SUBTITLE:
2069 codec->width = icodec->width;
2070 codec->height = icodec->height;
2072 case AVMEDIA_TYPE_DATA:
2073 case AVMEDIA_TYPE_ATTACHMENT:
2080 ost->enc = avcodec_find_encoder(codec->codec_id);
2082 /* should only happen when a default codec is not present. */
2083 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2084 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2085 ret = AVERROR(EINVAL);
2090 ist->decoding_needed = 1;
2091 ost->encoding_needed = 1;
2094 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2095 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2097 fg = init_simple_filtergraph(ist, ost);
2098 if (configure_filtergraph(fg)) {
2099 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2104 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2105 if (ost->filter && !ost->frame_rate.num)
2106 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2107 if (ist && !ost->frame_rate.num)
2108 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2109 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2110 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2111 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2112 ost->frame_rate = ost->enc->supported_framerates[idx];
2116 switch (codec->codec_type) {
2117 case AVMEDIA_TYPE_AUDIO:
2118 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2119 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2120 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2121 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2122 codec->time_base = (AVRational){ 1, codec->sample_rate };
2124 case AVMEDIA_TYPE_VIDEO:
2125 codec->time_base = av_inv_q(ost->frame_rate);
2126 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2127 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2128 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2129 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2130 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2131 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2133 for (j = 0; j < ost->forced_kf_count; j++)
2134 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2138 codec->width = ost->filter->filter->inputs[0]->w;
2139 codec->height = ost->filter->filter->inputs[0]->h;
2140 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2141 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2142 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2143 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2144 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2147 codec->width != icodec->width ||
2148 codec->height != icodec->height ||
2149 codec->pix_fmt != icodec->pix_fmt) {
2150 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2153 if (ost->forced_keyframes)
2154 parse_forced_key_frames(ost->forced_keyframes, ost,
2157 case AVMEDIA_TYPE_SUBTITLE:
2158 codec->time_base = (AVRational){1, 1000};
2165 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2166 char logfilename[1024];
2169 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2170 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2172 if (!strcmp(ost->enc->name, "libx264")) {
2173 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2175 if (codec->flags & CODEC_FLAG_PASS2) {
2177 size_t logbuffer_size;
2178 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2179 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2183 codec->stats_in = logbuffer;
2185 if (codec->flags & CODEC_FLAG_PASS1) {
2186 f = fopen(logfilename, "wb");
2188 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2189 logfilename, strerror(errno));
2199 /* open each encoder */
2200 for (i = 0; i < nb_output_streams; i++) {
2201 ost = output_streams[i];
2202 if (ost->encoding_needed) {
2203 AVCodec *codec = ost->enc;
2204 AVCodecContext *dec = NULL;
2206 if ((ist = get_input_stream(ost)))
2207 dec = ist->st->codec;
2208 if (dec && dec->subtitle_header) {
2209 /* ASS code assumes this buffer is null terminated so add extra byte. */
2210 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2211 if (!ost->st->codec->subtitle_header) {
2212 ret = AVERROR(ENOMEM);
2215 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2216 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2218 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2219 av_dict_set(&ost->opts, "threads", "auto", 0);
2220 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2221 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2222 ost->file_index, ost->index);
2223 ret = AVERROR(EINVAL);
2226 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2227 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2228 av_buffersink_set_frame_size(ost->filter->filter,
2229 ost->st->codec->frame_size);
2230 assert_codec_experimental(ost->st->codec, 1);
2231 assert_avoptions(ost->opts);
2232 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2233 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2234 " It takes bits/s as argument, not kbits/s\n");
2235 extra_size += ost->st->codec->extradata_size;
2237 if (ost->st->codec->me_threshold)
2238 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2242 /* init input streams */
2243 for (i = 0; i < nb_input_streams; i++)
2244 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2247 /* discard unused programs */
2248 for (i = 0; i < nb_input_files; i++) {
2249 InputFile *ifile = input_files[i];
2250 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2251 AVProgram *p = ifile->ctx->programs[j];
2252 int discard = AVDISCARD_ALL;
2254 for (k = 0; k < p->nb_stream_indexes; k++)
2255 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2256 discard = AVDISCARD_DEFAULT;
2259 p->discard = discard;
2263 /* open files and write file headers */
2264 for (i = 0; i < nb_output_files; i++) {
2265 oc = output_files[i]->ctx;
2266 oc->interrupt_callback = int_cb;
2267 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2269 const char *errbuf_ptr = errbuf;
2270 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2271 errbuf_ptr = strerror(AVUNERROR(ret));
2272 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2273 ret = AVERROR(EINVAL);
2276 // assert_avoptions(output_files[i]->opts);
2277 if (strcmp(oc->oformat->name, "rtp")) {
2283 /* dump the file output parameters - cannot be done before in case
2285 for (i = 0; i < nb_output_files; i++) {
2286 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2289 /* dump the stream mapping */
2290 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2291 for (i = 0; i < nb_input_streams; i++) {
2292 ist = input_streams[i];
2294 for (j = 0; j < ist->nb_filters; j++) {
2295 if (ist->filters[j]->graph->graph_desc) {
2296 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2297 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2298 ist->filters[j]->name);
2299 if (nb_filtergraphs > 1)
2300 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2301 av_log(NULL, AV_LOG_INFO, "\n");
2306 for (i = 0; i < nb_output_streams; i++) {
2307 ost = output_streams[i];
2309 if (ost->attachment_filename) {
2310 /* an attached file */
2311 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2312 ost->attachment_filename, ost->file_index, ost->index);
2316 if (ost->filter && ost->filter->graph->graph_desc) {
2317 /* output from a complex graph */
2318 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2319 if (nb_filtergraphs > 1)
2320 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2322 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2323 ost->index, ost->enc ? ost->enc->name : "?");
2327 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2328 input_streams[ost->source_index]->file_index,
2329 input_streams[ost->source_index]->st->index,
2332 if (ost->sync_ist != input_streams[ost->source_index])
2333 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2334 ost->sync_ist->file_index,
2335 ost->sync_ist->st->index);
2336 if (ost->stream_copy)
2337 av_log(NULL, AV_LOG_INFO, " (copy)");
2339 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2340 input_streams[ost->source_index]->dec->name : "?",
2341 ost->enc ? ost->enc->name : "?");
2342 av_log(NULL, AV_LOG_INFO, "\n");
2346 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2358 * @return 1 if there are still streams where more output is wanted,
2361 static int need_output(void)
2365 for (i = 0; i < nb_output_streams; i++) {
2366 OutputStream *ost = output_streams[i];
2367 OutputFile *of = output_files[ost->file_index];
2368 AVFormatContext *os = output_files[ost->file_index]->ctx;
2370 if (ost->is_past_recording_time ||
2371 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2373 if (ost->frame_number >= ost->max_frames) {
2375 for (j = 0; j < of->ctx->nb_streams; j++)
2376 output_streams[of->ost_index + j]->is_past_recording_time = 1;
2386 static int input_acceptable(InputStream *ist)
2388 av_assert1(!ist->discard);
2389 return !input_files[ist->file_index]->eagain &&
2390 !input_files[ist->file_index]->eof_reached;
2393 static int find_graph_input(FilterGraph *graph)
2395 int i, nb_req_max = 0, file_index = -1;
2397 for (i = 0; i < graph->nb_inputs; i++) {
2398 int nb_req = av_buffersrc_get_nb_failed_requests(graph->inputs[i]->filter);
2399 if (nb_req > nb_req_max) {
2400 InputStream *ist = graph->inputs[i]->ist;
2401 if (input_acceptable(ist)) {
2402 nb_req_max = nb_req;
2403 file_index = ist->file_index;
2412 * Select the input file to read from.
2414 * @return >=0 index of the input file to use;
2415 * -1 if no file is acceptable;
2416 * -2 to read from filters without reading from a file
2418 static int select_input_file(void)
2420 int i, ret, nb_active_out = nb_output_streams, ost_index = -1;
2423 AVFilterBufferRef *dummy;
2425 for (i = 0; i < nb_output_streams; i++)
2426 nb_active_out -= output_streams[i]->unavailable =
2427 output_streams[i]->is_past_recording_time;
2428 while (nb_active_out) {
2429 opts_min = INT64_MAX;
2431 for (i = 0; i < nb_output_streams; i++) {
2432 OutputStream *ost = output_streams[i];
2433 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2435 if (!ost->unavailable && opts < opts_min) {
2443 ost = output_streams[ost_index];
2444 if (ost->source_index >= 0) {
2445 /* ost is directly connected to an input */
2446 InputStream *ist = input_streams[ost->source_index];
2447 if (input_acceptable(ist))
2448 return ist->file_index;
2450 /* ost is connected to a complex filtergraph */
2451 av_assert1(ost->filter);
2452 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &dummy,
2453 AV_BUFFERSINK_FLAG_PEEK);
2456 ret = find_graph_input(ost->filter->graph);
2460 ost->unavailable = 1;
2466 static int check_keyboard_interaction(int64_t cur_time)
2469 static int64_t last_time;
2470 if (received_nb_signals)
2471 return AVERROR_EXIT;
2472 /* read_key() returns 0 on EOF */
2473 if(cur_time - last_time >= 100000 && !run_as_daemon){
2475 last_time = cur_time;
2479 return AVERROR_EXIT;
2480 if (key == '+') av_log_set_level(av_log_get_level()+10);
2481 if (key == '-') av_log_set_level(av_log_get_level()-10);
2482 if (key == 's') qp_hist ^= 1;
2485 do_hex_dump = do_pkt_dump = 0;
2486 } else if(do_pkt_dump){
2490 av_log_set_level(AV_LOG_DEBUG);
2492 if (key == 'c' || key == 'C'){
2493 char buf[4096], target[64], command[256], arg[256] = {0};
2496 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2498 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2503 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2504 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2505 target, time, command, arg);
2506 for (i = 0; i < nb_filtergraphs; i++) {
2507 FilterGraph *fg = filtergraphs[i];
2510 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2511 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2512 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2514 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2519 av_log(NULL, AV_LOG_ERROR,
2520 "Parse error, at least 3 arguments were expected, "
2521 "only %d given in string '%s'\n", n, buf);
2524 if (key == 'd' || key == 'D'){
2527 debug = input_streams[0]->st->codec->debug<<1;
2528 if(!debug) debug = 1;
2529 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2532 if(scanf("%d", &debug)!=1)
2533 fprintf(stderr,"error parsing debug value\n");
2534 for(i=0;i<nb_input_streams;i++) {
2535 input_streams[i]->st->codec->debug = debug;
2537 for(i=0;i<nb_output_streams;i++) {
2538 OutputStream *ost = output_streams[i];
2539 ost->st->codec->debug = debug;
2541 if(debug) av_log_set_level(AV_LOG_DEBUG);
2542 fprintf(stderr,"debug=%d\n", debug);
2545 fprintf(stderr, "key function\n"
2546 "? show this help\n"
2547 "+ increase verbosity\n"
2548 "- decrease verbosity\n"
2549 "c Send command to filtergraph\n"
2550 "D cycle through available debug modes\n"
2551 "h dump packets/hex press to cycle through the 3 states\n"
2553 "s Show QP histogram\n"
2560 static void *input_thread(void *arg)
2565 while (!transcoding_finished && ret >= 0) {
2567 ret = av_read_frame(f->ctx, &pkt);
2569 if (ret == AVERROR(EAGAIN)) {
2576 pthread_mutex_lock(&f->fifo_lock);
2577 while (!av_fifo_space(f->fifo))
2578 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2580 av_dup_packet(&pkt);
2581 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2583 pthread_mutex_unlock(&f->fifo_lock);
2590 static void free_input_threads(void)
2594 if (nb_input_files == 1)
2597 transcoding_finished = 1;
2599 for (i = 0; i < nb_input_files; i++) {
2600 InputFile *f = input_files[i];
2603 if (!f->fifo || f->joined)
2606 pthread_mutex_lock(&f->fifo_lock);
2607 while (av_fifo_size(f->fifo)) {
2608 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2609 av_free_packet(&pkt);
2611 pthread_cond_signal(&f->fifo_cond);
2612 pthread_mutex_unlock(&f->fifo_lock);
2614 pthread_join(f->thread, NULL);
2617 while (av_fifo_size(f->fifo)) {
2618 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2619 av_free_packet(&pkt);
2621 av_fifo_free(f->fifo);
2625 static int init_input_threads(void)
2629 if (nb_input_files == 1)
2632 for (i = 0; i < nb_input_files; i++) {
2633 InputFile *f = input_files[i];
2635 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2636 return AVERROR(ENOMEM);
2638 pthread_mutex_init(&f->fifo_lock, NULL);
2639 pthread_cond_init (&f->fifo_cond, NULL);
2641 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2642 return AVERROR(ret);
2647 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2651 pthread_mutex_lock(&f->fifo_lock);
2653 if (av_fifo_size(f->fifo)) {
2654 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2655 pthread_cond_signal(&f->fifo_cond);
2660 ret = AVERROR(EAGAIN);
2663 pthread_mutex_unlock(&f->fifo_lock);
2669 static int get_input_packet(InputFile *f, AVPacket *pkt)
2672 if (nb_input_files > 1)
2673 return get_input_packet_mt(f, pkt);
2675 return av_read_frame(f->ctx, pkt);
2678 static int got_eagain(void)
2681 for (i = 0; i < nb_input_files; i++)
2682 if (input_files[i]->eagain)
2687 static void reset_eagain(void)
2690 for (i = 0; i < nb_input_files; i++)
2691 input_files[i]->eagain = 0;
2696 * - 0 -- one packet was read and processed
2697 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2698 * this function should be called again
2699 * - AVERROR_EOF -- this function should not be called again
2701 static int process_input(void)
2704 AVFormatContext *is;
2710 /* select the stream that we must read now */
2711 file_index = select_input_file();
2712 /* if none, if is finished */
2713 if (file_index == -2) {
2715 return AVERROR(EAGAIN);
2717 if (file_index < 0) {
2721 return AVERROR(EAGAIN);
2723 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
2726 ifile = input_files[file_index];
2729 ret = get_input_packet(ifile, &pkt);
2731 if (ret == AVERROR(EAGAIN)) {
2736 if (ret != AVERROR_EOF) {
2737 print_error(is->filename, ret);
2741 ifile->eof_reached = 1;
2743 for (i = 0; i < ifile->nb_streams; i++) {
2744 ist = input_streams[ifile->ist_index + i];
2745 if (ist->decoding_needed)
2746 output_packet(ist, NULL);
2753 return AVERROR(EAGAIN);
2759 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2760 is->streams[pkt.stream_index]);
2762 /* the following test is needed in case new streams appear
2763 dynamically in stream : we ignore them */
2764 if (pkt.stream_index >= ifile->nb_streams) {
2765 report_new_stream(file_index, &pkt);
2766 goto discard_packet;
2769 ist = input_streams[ifile->ist_index + pkt.stream_index];
2771 goto discard_packet;
2773 if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2774 uint64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2775 uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);
2776 ist->wrap_correction_done = 1;
2777 if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {
2778 pkt.dts -= 1LL<<ist->st->pts_wrap_bits;
2779 ist->wrap_correction_done = 0;
2781 if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {
2782 pkt.pts -= 1LL<<ist->st->pts_wrap_bits;
2783 ist->wrap_correction_done = 0;
2787 if (pkt.dts != AV_NOPTS_VALUE)
2788 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2789 if (pkt.pts != AV_NOPTS_VALUE)
2790 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2792 if (pkt.pts != AV_NOPTS_VALUE)
2793 pkt.pts *= ist->ts_scale;
2794 if (pkt.dts != AV_NOPTS_VALUE)
2795 pkt.dts *= ist->ts_scale;
2798 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2799 "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:%"PRId64"\n",
2800 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2801 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2802 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2803 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2804 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2805 input_files[ist->file_index]->ts_offset);
2808 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2810 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2811 int64_t delta = pkt_dts - ist->next_dts;
2812 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2813 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2814 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2815 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2816 pkt_dts+1<ist->pts){
2817 ifile->ts_offset -= delta;
2818 av_log(NULL, AV_LOG_DEBUG,
2819 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2820 delta, ifile->ts_offset);
2821 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2822 if (pkt.pts != AV_NOPTS_VALUE)
2823 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2826 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2827 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2828 pkt_dts+1<ist->pts){
2829 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
2830 pkt.dts = AV_NOPTS_VALUE;
2832 if (pkt.pts != AV_NOPTS_VALUE){
2833 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
2834 delta = pkt_pts - ist->next_dts;
2835 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2836 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2837 pkt_pts+1<ist->pts) {
2838 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
2839 pkt.pts = AV_NOPTS_VALUE;
2845 sub2video_heartbeat(ist, pkt.pts);
2847 if ((ret = output_packet(ist, &pkt)) < 0 ||
2848 ((ret = poll_filters()) < 0 && ret != AVERROR_EOF)) {
2850 av_strerror(ret, buf, sizeof(buf));
2851 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2852 ist->file_index, ist->st->index, buf);
2855 av_free_packet(&pkt);
2856 return AVERROR(EAGAIN);
2860 av_free_packet(&pkt);
2866 * The following code is the main loop of the file converter
2868 static int transcode(void)
2871 AVFormatContext *os;
2874 int64_t timer_start;
2876 ret = transcode_init();
2880 if (stdin_interaction) {
2881 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2884 timer_start = av_gettime();
2887 if ((ret = init_input_threads()) < 0)
2891 while (!received_sigterm) {
2892 int64_t cur_time= av_gettime();
2894 /* if 'q' pressed, exits */
2895 if (stdin_interaction)
2896 if (check_keyboard_interaction(cur_time) < 0)
2899 /* check if there's any stream where output is still needed */
2900 if (!need_output()) {
2901 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2905 ret = process_input();
2907 if (ret == AVERROR(EAGAIN))
2909 if (ret == AVERROR_EOF)
2911 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2915 /* dump report by using the output first video and audio streams */
2916 print_report(0, timer_start, cur_time);
2919 free_input_threads();
2922 /* at the end of stream, we must flush the decoder buffers */
2923 for (i = 0; i < nb_input_streams; i++) {
2924 ist = input_streams[i];
2925 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
2926 output_packet(ist, NULL);
2934 /* write the trailer if needed and close file */
2935 for (i = 0; i < nb_output_files; i++) {
2936 os = output_files[i]->ctx;
2937 av_write_trailer(os);
2940 /* dump report by using the first video and audio streams */
2941 print_report(1, timer_start, av_gettime());
2943 /* close each encoder */
2944 for (i = 0; i < nb_output_streams; i++) {
2945 ost = output_streams[i];
2946 if (ost->encoding_needed) {
2947 av_freep(&ost->st->codec->stats_in);
2948 avcodec_close(ost->st->codec);
2952 /* close each decoder */
2953 for (i = 0; i < nb_input_streams; i++) {
2954 ist = input_streams[i];
2955 if (ist->decoding_needed) {
2956 avcodec_close(ist->st->codec);
2965 free_input_threads();
2968 if (output_streams) {
2969 for (i = 0; i < nb_output_streams; i++) {
2970 ost = output_streams[i];
2972 if (ost->stream_copy)
2973 av_freep(&ost->st->codec->extradata);
2975 fclose(ost->logfile);
2976 ost->logfile = NULL;
2978 av_freep(&ost->st->codec->subtitle_header);
2979 av_free(ost->forced_kf_pts);
2980 av_dict_free(&ost->opts);
2988 static int64_t getutime(void)
2991 struct rusage rusage;
2993 getrusage(RUSAGE_SELF, &rusage);
2994 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2995 #elif HAVE_GETPROCESSTIMES
2997 FILETIME c, e, k, u;
2998 proc = GetCurrentProcess();
2999 GetProcessTimes(proc, &c, &e, &k, &u);
3000 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3002 return av_gettime();
3006 static int64_t getmaxrss(void)
3008 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3009 struct rusage rusage;
3010 getrusage(RUSAGE_SELF, &rusage);
3011 return (int64_t)rusage.ru_maxrss * 1024;
3012 #elif HAVE_GETPROCESSMEMORYINFO
3014 PROCESS_MEMORY_COUNTERS memcounters;
3015 proc = GetCurrentProcess();
3016 memcounters.cb = sizeof(memcounters);
3017 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3018 return memcounters.PeakPagefileUsage;
3024 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3028 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3030 int idx = locate_option(argc, argv, options, "cpuflags");
3031 if (idx && argv[idx + 1])
3032 opt_cpuflags("cpuflags", argv[idx + 1]);
3035 int main(int argc, char **argv)
3037 OptionsContext o = { 0 };
3040 reset_options(&o, 0);
3042 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3043 parse_loglevel(argc, argv, options);
3045 if(argc>1 && !strcmp(argv[1], "-d")){
3047 av_log_set_callback(log_callback_null);
3052 avcodec_register_all();
3054 avdevice_register_all();
3056 avfilter_register_all();
3058 avformat_network_init();
3060 show_banner(argc, argv, options);
3064 parse_cpuflags(argc, argv, options);
3067 parse_options(&o, argc, argv, options, opt_output_file);
3069 if (nb_output_files <= 0 && nb_input_files == 0) {
3071 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3075 /* file converter / grab */
3076 if (nb_output_files <= 0) {
3077 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3081 if (nb_input_files == 0) {
3082 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3086 current_time = ti = getutime();
3087 if (transcode() < 0)
3089 ti = getutime() - ti;
3091 int maxrss = getmaxrss() / 1024;
3092 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);