3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
30 #include "libavformat/avformat.h"
31 #include "libavdevice/avdevice.h"
32 #include "libswscale/swscale.h"
33 #include "libavresample/avresample.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/audioconvert.h"
36 #include "libavutil/parseutils.h"
37 #include "libavutil/samplefmt.h"
38 #include "libavutil/colorspace.h"
39 #include "libavutil/fifo.h"
40 #include "libavutil/intreadwrite.h"
41 #include "libavutil/dict.h"
42 #include "libavutil/mathematics.h"
43 #include "libavutil/pixdesc.h"
44 #include "libavutil/avstring.h"
45 #include "libavutil/libm.h"
46 #include "libavutil/imgutils.h"
47 #include "libavutil/time.h"
48 #include "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/buffersrc.h"
53 # include "libavfilter/buffersink.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
57 #include <sys/resource.h>
58 #elif HAVE_GETPROCESSTIMES
61 #if HAVE_GETPROCESSMEMORYINFO
67 #include <sys/select.h>
79 #include "libavutil/avassert.h"
81 const char program_name[] = "avconv";
82 const int program_birth_year = 2000;
84 static FILE *vstats_file;
86 static int64_t video_size = 0;
87 static int64_t audio_size = 0;
88 static int64_t extra_size = 0;
89 static int nb_frames_dup = 0;
90 static int nb_frames_drop = 0;
95 /* signal to input threads that they should exit; set by the main thread */
96 static int transcoding_finished;
99 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
101 InputStream **input_streams = NULL;
102 int nb_input_streams = 0;
103 InputFile **input_files = NULL;
104 int nb_input_files = 0;
106 OutputStream **output_streams = NULL;
107 int nb_output_streams = 0;
108 OutputFile **output_files = NULL;
109 int nb_output_files = 0;
111 FilterGraph **filtergraphs;
114 static void term_exit(void)
116 av_log(NULL, AV_LOG_QUIET, "");
119 static volatile int received_sigterm = 0;
120 static volatile int received_nb_signals = 0;
123 sigterm_handler(int sig)
125 received_sigterm = sig;
126 received_nb_signals++;
130 static void term_init(void)
132 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
133 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
135 signal(SIGXCPU, sigterm_handler);
139 static int decode_interrupt_cb(void *ctx)
141 return received_nb_signals > 1;
144 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
146 static void exit_program(void)
150 for (i = 0; i < nb_filtergraphs; i++) {
151 avfilter_graph_free(&filtergraphs[i]->graph);
152 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
153 av_freep(&filtergraphs[i]->inputs[j]->name);
154 av_freep(&filtergraphs[i]->inputs[j]);
156 av_freep(&filtergraphs[i]->inputs);
157 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
158 av_freep(&filtergraphs[i]->outputs[j]->name);
159 av_freep(&filtergraphs[i]->outputs[j]);
161 av_freep(&filtergraphs[i]->outputs);
162 av_freep(&filtergraphs[i]);
164 av_freep(&filtergraphs);
167 for (i = 0; i < nb_output_files; i++) {
168 AVFormatContext *s = output_files[i]->ctx;
169 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
171 avformat_free_context(s);
172 av_dict_free(&output_files[i]->opts);
173 av_freep(&output_files[i]);
175 for (i = 0; i < nb_output_streams; i++) {
176 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
178 AVBitStreamFilterContext *next = bsfc->next;
179 av_bitstream_filter_close(bsfc);
182 output_streams[i]->bitstream_filters = NULL;
183 avcodec_free_frame(&output_streams[i]->filtered_frame);
185 av_freep(&output_streams[i]->forced_keyframes);
186 av_freep(&output_streams[i]->avfilter);
187 av_freep(&output_streams[i]->logfile_prefix);
188 av_freep(&output_streams[i]);
190 for (i = 0; i < nb_input_files; i++) {
191 avformat_close_input(&input_files[i]->ctx);
192 av_freep(&input_files[i]);
194 for (i = 0; i < nb_input_streams; i++) {
195 avcodec_free_frame(&input_streams[i]->decoded_frame);
196 av_dict_free(&input_streams[i]->opts);
197 free_buffer_pool(&input_streams[i]->buffer_pool);
198 av_freep(&input_streams[i]->filters);
199 av_freep(&input_streams[i]);
204 av_free(vstats_filename);
206 av_freep(&input_streams);
207 av_freep(&input_files);
208 av_freep(&output_streams);
209 av_freep(&output_files);
214 avformat_network_deinit();
216 if (received_sigterm) {
217 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
218 (int) received_sigterm);
223 void assert_avoptions(AVDictionary *m)
225 AVDictionaryEntry *t;
226 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
227 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
232 static void abort_codec_experimental(AVCodec *c, int encoder)
234 const char *codec_string = encoder ? "encoder" : "decoder";
236 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
237 "results.\nAdd '-strict experimental' if you want to use it.\n",
238 codec_string, c->name);
239 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
240 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
241 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
242 codec_string, codec->name);
247 * Update the requested input sample format based on the output sample format.
248 * This is currently only used to request float output from decoders which
249 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
250 * Ideally this will be removed in the future when decoders do not do format
251 * conversion and only output in their native format.
253 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
256 /* if sample formats match or a decoder sample format has already been
257 requested, just return */
258 if (enc->sample_fmt == dec->sample_fmt ||
259 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
262 /* if decoder supports more than one output format */
263 if (dec_codec && dec_codec->sample_fmts &&
264 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
265 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
266 const enum AVSampleFormat *p;
267 int min_dec = INT_MAX, min_inc = INT_MAX;
268 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
269 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
271 /* find a matching sample format in the encoder */
272 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
273 if (*p == enc->sample_fmt) {
274 dec->request_sample_fmt = *p;
277 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
278 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
279 int fmt_diff = 32 * abs(dfmt - efmt);
280 if (av_sample_fmt_is_planar(*p) !=
281 av_sample_fmt_is_planar(enc->sample_fmt))
286 } else if (dfmt > efmt) {
287 if (fmt_diff < min_inc) {
292 if (fmt_diff < min_dec) {
300 /* if none match, provide the one that matches quality closest */
301 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
305 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
307 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
308 AVCodecContext *avctx = ost->st->codec;
312 * Audio encoders may split the packets -- #frames in != #packets out.
313 * But there is no reordering, so we can limit the number of output packets
314 * by simply dropping them here.
315 * Counting encoded video frames needs to be done separately because of
316 * reordering, see do_video_out()
318 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
319 if (ost->frame_number >= ost->max_frames) {
327 AVPacket new_pkt = *pkt;
328 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
329 &new_pkt.data, &new_pkt.size,
330 pkt->data, pkt->size,
331 pkt->flags & AV_PKT_FLAG_KEY);
334 new_pkt.destruct = av_destruct_packet;
336 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
337 bsfc->filter->name, pkt->stream_index,
338 avctx->codec ? avctx->codec->name : "copy");
348 pkt->stream_index = ost->index;
349 ret = av_interleaved_write_frame(s, pkt);
351 print_error("av_interleaved_write_frame()", ret);
356 static int check_recording_time(OutputStream *ost)
358 OutputFile *of = output_files[ost->file_index];
360 if (of->recording_time != INT64_MAX &&
361 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
362 AV_TIME_BASE_Q) >= 0) {
369 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
372 AVCodecContext *enc = ost->st->codec;
376 av_init_packet(&pkt);
380 if (!check_recording_time(ost))
383 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
384 frame->pts = ost->sync_opts;
385 ost->sync_opts = frame->pts + frame->nb_samples;
387 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
388 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
393 if (pkt.pts != AV_NOPTS_VALUE)
394 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
395 if (pkt.dts != AV_NOPTS_VALUE)
396 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
397 if (pkt.duration > 0)
398 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
400 write_frame(s, &pkt, ost);
402 audio_size += pkt.size;
406 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
410 AVPicture picture_tmp;
413 dec = ist->st->codec;
415 /* deinterlace : must be done before any resize */
416 if (do_deinterlace) {
419 /* create temporary picture */
420 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
421 buf = av_malloc(size);
425 picture2 = &picture_tmp;
426 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
428 if (avpicture_deinterlace(picture2, picture,
429 dec->pix_fmt, dec->width, dec->height) < 0) {
430 /* if error, do not deinterlace */
431 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
440 if (picture != picture2)
441 *picture = *picture2;
445 static void do_subtitle_out(AVFormatContext *s,
451 static uint8_t *subtitle_out = NULL;
452 int subtitle_out_max_size = 1024 * 1024;
453 int subtitle_out_size, nb, i;
457 if (pts == AV_NOPTS_VALUE) {
458 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
464 enc = ost->st->codec;
467 subtitle_out = av_malloc(subtitle_out_max_size);
470 /* Note: DVB subtitle need one packet to draw them and one other
471 packet to clear them */
472 /* XXX: signal it in the codec context ? */
473 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
478 for (i = 0; i < nb; i++) {
479 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
480 if (!check_recording_time(ost))
483 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
484 // start_display_time is required to be 0
485 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
486 sub->end_display_time -= sub->start_display_time;
487 sub->start_display_time = 0;
488 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
489 subtitle_out_max_size, sub);
490 if (subtitle_out_size < 0) {
491 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
495 av_init_packet(&pkt);
496 pkt.data = subtitle_out;
497 pkt.size = subtitle_out_size;
498 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
499 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
500 /* XXX: the pts correction is handled here. Maybe handling
501 it in the codec would be better */
503 pkt.pts += 90 * sub->start_display_time;
505 pkt.pts += 90 * sub->end_display_time;
507 write_frame(s, &pkt, ost);
511 static void do_video_out(AVFormatContext *s,
516 int ret, format_video_sync;
518 AVCodecContext *enc = ost->st->codec;
522 format_video_sync = video_sync_method;
523 if (format_video_sync == VSYNC_AUTO)
524 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
525 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
526 if (format_video_sync != VSYNC_PASSTHROUGH &&
528 in_picture->pts != AV_NOPTS_VALUE &&
529 in_picture->pts < ost->sync_opts) {
531 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
535 if (in_picture->pts == AV_NOPTS_VALUE)
536 in_picture->pts = ost->sync_opts;
537 ost->sync_opts = in_picture->pts;
540 if (!ost->frame_number)
541 ost->first_pts = in_picture->pts;
543 av_init_packet(&pkt);
547 if (!check_recording_time(ost) ||
548 ost->frame_number >= ost->max_frames)
551 if (s->oformat->flags & AVFMT_RAWPICTURE &&
552 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
553 /* raw pictures are written as AVPicture structure to
554 avoid any copies. We support temporarily the older
556 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
557 enc->coded_frame->top_field_first = in_picture->top_field_first;
558 pkt.data = (uint8_t *)in_picture;
559 pkt.size = sizeof(AVPicture);
560 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
561 pkt.flags |= AV_PKT_FLAG_KEY;
563 write_frame(s, &pkt, ost);
568 big_picture = *in_picture;
569 /* better than nothing: use input picture interlaced
571 big_picture.interlaced_frame = in_picture->interlaced_frame;
572 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
573 if (ost->top_field_first == -1)
574 big_picture.top_field_first = in_picture->top_field_first;
576 big_picture.top_field_first = !!ost->top_field_first;
579 big_picture.quality = ost->st->codec->global_quality;
580 if (!enc->me_threshold)
581 big_picture.pict_type = 0;
582 if (ost->forced_kf_index < ost->forced_kf_count &&
583 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
584 big_picture.pict_type = AV_PICTURE_TYPE_I;
585 ost->forced_kf_index++;
587 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
589 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
594 if (pkt.pts != AV_NOPTS_VALUE)
595 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
596 if (pkt.dts != AV_NOPTS_VALUE)
597 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
599 write_frame(s, &pkt, ost);
600 *frame_size = pkt.size;
601 video_size += pkt.size;
603 /* if two pass, output log */
604 if (ost->logfile && enc->stats_out) {
605 fprintf(ost->logfile, "%s", enc->stats_out);
611 * For video, number of frames in == number of packets out.
612 * But there may be reordering, so we can't throw away frames on encoder
613 * flush, we need to limit them here, before they go into encoder.
618 static double psnr(double d)
620 return -10.0 * log(d) / log(10.0);
623 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
628 double ti1, bitrate, avg_bitrate;
630 /* this is executed just the first time do_video_stats is called */
632 vstats_file = fopen(vstats_filename, "w");
639 enc = ost->st->codec;
640 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
641 frame_number = ost->frame_number;
642 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
643 if (enc->flags&CODEC_FLAG_PSNR)
644 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
646 fprintf(vstats_file,"f_size= %6d ", frame_size);
647 /* compute pts value */
648 ti1 = ost->sync_opts * av_q2d(enc->time_base);
652 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
653 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
654 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
655 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
656 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
661 * Read one frame for lavfi output for ost and encode it.
663 static int poll_filter(OutputStream *ost)
665 OutputFile *of = output_files[ost->file_index];
666 AVFilterBufferRef *picref;
667 AVFrame *filtered_frame = NULL;
670 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
671 return AVERROR(ENOMEM);
673 avcodec_get_frame_defaults(ost->filtered_frame);
674 filtered_frame = ost->filtered_frame;
676 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
677 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
678 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
679 ost->st->codec->frame_size);
681 ret = av_buffersink_read(ost->filter->filter, &picref);
686 avfilter_copy_buf_props(filtered_frame, picref);
687 if (picref->pts != AV_NOPTS_VALUE) {
688 filtered_frame->pts = av_rescale_q(picref->pts,
689 ost->filter->filter->inputs[0]->time_base,
690 ost->st->codec->time_base) -
691 av_rescale_q(of->start_time,
693 ost->st->codec->time_base);
695 if (of->start_time && filtered_frame->pts < 0) {
696 avfilter_unref_buffer(picref);
701 switch (ost->filter->filter->inputs[0]->type) {
702 case AVMEDIA_TYPE_VIDEO:
703 if (!ost->frame_aspect_ratio)
704 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
706 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
707 if (vstats_filename && frame_size)
708 do_video_stats(of->ctx, ost, frame_size);
710 case AVMEDIA_TYPE_AUDIO:
711 do_audio_out(of->ctx, ost, filtered_frame);
714 // TODO support subtitle filters
718 avfilter_unref_buffer(picref);
724 * Read as many frames from possible from lavfi and encode them.
726 * Always read from the active stream with the lowest timestamp. If no frames
727 * are available for it then return EAGAIN and wait for more input. This way we
728 * can use lavfi sources that generate unlimited amount of frames without memory
731 static int poll_filters(void)
735 while (ret >= 0 && !received_sigterm) {
736 OutputStream *ost = NULL;
737 int64_t min_pts = INT64_MAX;
739 /* choose output stream with the lowest timestamp */
740 for (i = 0; i < nb_output_streams; i++) {
741 int64_t pts = output_streams[i]->sync_opts;
743 if (!output_streams[i]->filter || output_streams[i]->finished)
746 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
750 ost = output_streams[i];
757 ret = poll_filter(ost);
759 if (ret == AVERROR_EOF) {
760 OutputFile *of = output_files[ost->file_index];
765 for (j = 0; j < of->ctx->nb_streams; j++)
766 output_streams[of->ost_index + j]->finished = 1;
770 } else if (ret == AVERROR(EAGAIN))
777 static void print_report(int is_last_report, int64_t timer_start)
784 int frame_number, vid, i;
785 double bitrate, ti1, pts;
786 static int64_t last_time = -1;
787 static int qp_histogram[52];
789 if (!print_stats && !is_last_report)
792 if (!is_last_report) {
794 /* display the report every 0.5 seconds */
795 cur_time = av_gettime();
796 if (last_time == -1) {
797 last_time = cur_time;
800 if ((cur_time - last_time) < 500000)
802 last_time = cur_time;
806 oc = output_files[0]->ctx;
808 total_size = avio_size(oc->pb);
809 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
810 total_size = avio_tell(oc->pb);
815 for (i = 0; i < nb_output_streams; i++) {
817 ost = output_streams[i];
818 enc = ost->st->codec;
819 if (!ost->stream_copy && enc->coded_frame)
820 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
821 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
822 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
824 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
825 float t = (av_gettime() - timer_start) / 1000000.0;
827 frame_number = ost->frame_number;
828 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
829 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
831 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
835 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
837 for (j = 0; j < 32; j++)
838 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
840 if (enc->flags&CODEC_FLAG_PSNR) {
842 double error, error_sum = 0;
843 double scale, scale_sum = 0;
844 char type[3] = { 'Y','U','V' };
845 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
846 for (j = 0; j < 3; j++) {
847 if (is_last_report) {
848 error = enc->error[j];
849 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
851 error = enc->coded_frame->error[j];
852 scale = enc->width * enc->height * 255.0 * 255.0;
858 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
860 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
864 /* compute min output value */
865 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
866 if ((pts < ti1) && (pts > 0))
872 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
874 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
875 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
876 (double)total_size / 1024, ti1, bitrate);
878 if (nb_frames_dup || nb_frames_drop)
879 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
880 nb_frames_dup, nb_frames_drop);
882 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
886 if (is_last_report) {
887 int64_t raw= audio_size + video_size + extra_size;
888 av_log(NULL, AV_LOG_INFO, "\n");
889 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
893 100.0 * (total_size - raw) / raw
898 static void flush_encoders(void)
902 for (i = 0; i < nb_output_streams; i++) {
903 OutputStream *ost = output_streams[i];
904 AVCodecContext *enc = ost->st->codec;
905 AVFormatContext *os = output_files[ost->file_index]->ctx;
906 int stop_encoding = 0;
908 if (!ost->encoding_needed)
911 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
913 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
917 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
921 switch (ost->st->codec->codec_type) {
922 case AVMEDIA_TYPE_AUDIO:
923 encode = avcodec_encode_audio2;
927 case AVMEDIA_TYPE_VIDEO:
928 encode = avcodec_encode_video2;
939 av_init_packet(&pkt);
943 ret = encode(enc, &pkt, NULL, &got_packet);
945 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
949 if (ost->logfile && enc->stats_out) {
950 fprintf(ost->logfile, "%s", enc->stats_out);
956 if (pkt.pts != AV_NOPTS_VALUE)
957 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
958 if (pkt.dts != AV_NOPTS_VALUE)
959 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
960 write_frame(os, &pkt, ost);
970 * Check whether a packet from ist should be written into ost at this time
972 static int check_output_constraints(InputStream *ist, OutputStream *ost)
974 OutputFile *of = output_files[ost->file_index];
975 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
977 if (ost->source_index != ist_index)
980 if (of->start_time && ist->last_dts < of->start_time)
986 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
988 OutputFile *of = output_files[ost->file_index];
989 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
992 av_init_packet(&opkt);
994 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
995 !ost->copy_initial_nonkeyframes)
998 if (of->recording_time != INT64_MAX &&
999 ist->last_dts >= of->recording_time + of->start_time) {
1004 /* force the input stream PTS */
1005 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1006 audio_size += pkt->size;
1007 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1008 video_size += pkt->size;
1012 if (pkt->pts != AV_NOPTS_VALUE)
1013 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1015 opkt.pts = AV_NOPTS_VALUE;
1017 if (pkt->dts == AV_NOPTS_VALUE)
1018 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1020 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1021 opkt.dts -= ost_tb_start_time;
1023 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1024 opkt.flags = pkt->flags;
1026 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1027 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1028 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1029 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1030 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1032 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1033 opkt.destruct = av_destruct_packet;
1035 opkt.data = pkt->data;
1036 opkt.size = pkt->size;
1039 write_frame(of->ctx, &opkt, ost);
1040 ost->st->codec->frame_number++;
1041 av_free_packet(&opkt);
1044 static void rate_emu_sleep(InputStream *ist)
1046 if (input_files[ist->file_index]->rate_emu) {
1047 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1048 int64_t now = av_gettime() - ist->start;
1050 av_usleep(pts - now);
1054 int guess_input_channel_layout(InputStream *ist)
1056 AVCodecContext *dec = ist->st->codec;
1058 if (!dec->channel_layout) {
1059 char layout_name[256];
1061 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1062 if (!dec->channel_layout)
1064 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1065 dec->channels, dec->channel_layout);
1066 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1067 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1072 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1074 AVFrame *decoded_frame;
1075 AVCodecContext *avctx = ist->st->codec;
1076 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1077 int i, ret, resample_changed;
1079 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1080 return AVERROR(ENOMEM);
1082 avcodec_get_frame_defaults(ist->decoded_frame);
1083 decoded_frame = ist->decoded_frame;
1085 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1086 if (!*got_output || ret < 0) {
1088 for (i = 0; i < ist->nb_filters; i++)
1089 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
1094 /* if the decoder provides a pts, use it instead of the last packet pts.
1095 the decoder could be delaying output by a packet or more. */
1096 if (decoded_frame->pts != AV_NOPTS_VALUE)
1097 ist->next_dts = decoded_frame->pts;
1098 else if (pkt->pts != AV_NOPTS_VALUE) {
1099 decoded_frame->pts = pkt->pts;
1100 pkt->pts = AV_NOPTS_VALUE;
1103 // preprocess audio (volume)
1104 if (audio_volume != 256) {
1105 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1106 void *samples = decoded_frame->data[0];
1107 switch (avctx->sample_fmt) {
1108 case AV_SAMPLE_FMT_U8:
1110 uint8_t *volp = samples;
1111 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1112 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1113 *volp++ = av_clip_uint8(v);
1117 case AV_SAMPLE_FMT_S16:
1119 int16_t *volp = samples;
1120 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1121 int v = ((*volp) * audio_volume + 128) >> 8;
1122 *volp++ = av_clip_int16(v);
1126 case AV_SAMPLE_FMT_S32:
1128 int32_t *volp = samples;
1129 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1130 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1131 *volp++ = av_clipl_int32(v);
1135 case AV_SAMPLE_FMT_FLT:
1137 float *volp = samples;
1138 float scale = audio_volume / 256.f;
1139 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1144 case AV_SAMPLE_FMT_DBL:
1146 double *volp = samples;
1147 double scale = audio_volume / 256.;
1148 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1154 av_log(NULL, AV_LOG_FATAL,
1155 "Audio volume adjustment on sample format %s is not supported.\n",
1156 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1161 rate_emu_sleep(ist);
1163 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1164 ist->resample_channels != avctx->channels ||
1165 ist->resample_channel_layout != decoded_frame->channel_layout ||
1166 ist->resample_sample_rate != decoded_frame->sample_rate;
1167 if (resample_changed) {
1168 char layout1[64], layout2[64];
1170 if (!guess_input_channel_layout(ist)) {
1171 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1172 "layout for Input Stream #%d.%d\n", ist->file_index,
1176 decoded_frame->channel_layout = avctx->channel_layout;
1178 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1179 ist->resample_channel_layout);
1180 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1181 decoded_frame->channel_layout);
1183 av_log(NULL, AV_LOG_INFO,
1184 "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",
1185 ist->file_index, ist->st->index,
1186 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1187 ist->resample_channels, layout1,
1188 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1189 avctx->channels, layout2);
1191 ist->resample_sample_fmt = decoded_frame->format;
1192 ist->resample_sample_rate = decoded_frame->sample_rate;
1193 ist->resample_channel_layout = decoded_frame->channel_layout;
1194 ist->resample_channels = avctx->channels;
1196 for (i = 0; i < nb_filtergraphs; i++)
1197 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1198 configure_filtergraph(filtergraphs[i]) < 0) {
1199 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1204 if (decoded_frame->pts != AV_NOPTS_VALUE)
1205 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1207 (AVRational){1, ist->st->codec->sample_rate});
1208 for (i = 0; i < ist->nb_filters; i++)
1209 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1214 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1216 AVFrame *decoded_frame;
1217 void *buffer_to_free = NULL;
1218 int i, ret = 0, resample_changed;
1220 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1221 return AVERROR(ENOMEM);
1223 avcodec_get_frame_defaults(ist->decoded_frame);
1224 decoded_frame = ist->decoded_frame;
1226 ret = avcodec_decode_video2(ist->st->codec,
1227 decoded_frame, got_output, pkt);
1228 if (!*got_output || ret < 0) {
1230 for (i = 0; i < ist->nb_filters; i++)
1231 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
1236 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1237 decoded_frame->pkt_dts);
1239 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1241 rate_emu_sleep(ist);
1243 if (ist->st->sample_aspect_ratio.num)
1244 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1246 resample_changed = ist->resample_width != decoded_frame->width ||
1247 ist->resample_height != decoded_frame->height ||
1248 ist->resample_pix_fmt != decoded_frame->format;
1249 if (resample_changed) {
1250 av_log(NULL, AV_LOG_INFO,
1251 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1252 ist->file_index, ist->st->index,
1253 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1254 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1256 ret = poll_filters();
1257 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1258 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1260 ist->resample_width = decoded_frame->width;
1261 ist->resample_height = decoded_frame->height;
1262 ist->resample_pix_fmt = decoded_frame->format;
1264 for (i = 0; i < nb_filtergraphs; i++)
1265 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1266 configure_filtergraph(filtergraphs[i]) < 0) {
1267 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1272 for (i = 0; i < ist->nb_filters; i++) {
1273 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1274 FrameBuffer *buf = decoded_frame->opaque;
1275 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1276 decoded_frame->data, decoded_frame->linesize,
1277 AV_PERM_READ | AV_PERM_PRESERVE,
1278 ist->st->codec->width, ist->st->codec->height,
1279 ist->st->codec->pix_fmt);
1281 avfilter_copy_frame_props(fb, decoded_frame);
1282 fb->buf->priv = buf;
1283 fb->buf->free = filter_release_buffer;
1286 av_buffersrc_buffer(ist->filters[i]->filter, fb);
1288 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1291 av_free(buffer_to_free);
1295 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1297 AVSubtitle subtitle;
1298 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1299 &subtitle, got_output, pkt);
1305 rate_emu_sleep(ist);
1307 for (i = 0; i < nb_output_streams; i++) {
1308 OutputStream *ost = output_streams[i];
1310 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1313 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
1316 avsubtitle_free(&subtitle);
1320 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1321 static int output_packet(InputStream *ist, const AVPacket *pkt)
1327 if (ist->next_dts == AV_NOPTS_VALUE)
1328 ist->next_dts = ist->last_dts;
1332 av_init_packet(&avpkt);
1340 if (pkt->dts != AV_NOPTS_VALUE)
1341 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1343 // while we have more to decode or while the decoder did output something on EOF
1344 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1348 ist->last_dts = ist->next_dts;
1350 if (avpkt.size && avpkt.size != pkt->size) {
1351 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1352 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1353 ist->showed_multi_packet_warning = 1;
1356 switch (ist->st->codec->codec_type) {
1357 case AVMEDIA_TYPE_AUDIO:
1358 ret = decode_audio (ist, &avpkt, &got_output);
1360 case AVMEDIA_TYPE_VIDEO:
1361 ret = decode_video (ist, &avpkt, &got_output);
1363 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1364 else if (ist->st->avg_frame_rate.num)
1365 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
1367 else if (ist->st->codec->time_base.num != 0) {
1368 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1369 ist->st->codec->ticks_per_frame;
1370 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1373 case AVMEDIA_TYPE_SUBTITLE:
1374 ret = transcode_subtitles(ist, &avpkt, &got_output);
1382 // touch data and size only if not EOF
1392 /* handle stream copy */
1393 if (!ist->decoding_needed) {
1394 rate_emu_sleep(ist);
1395 ist->last_dts = ist->next_dts;
1396 switch (ist->st->codec->codec_type) {
1397 case AVMEDIA_TYPE_AUDIO:
1398 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1399 ist->st->codec->sample_rate;
1401 case AVMEDIA_TYPE_VIDEO:
1402 if (ist->st->codec->time_base.num != 0) {
1403 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1404 ist->next_dts += ((int64_t)AV_TIME_BASE *
1405 ist->st->codec->time_base.num * ticks) /
1406 ist->st->codec->time_base.den;
1411 for (i = 0; pkt && i < nb_output_streams; i++) {
1412 OutputStream *ost = output_streams[i];
1414 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1417 do_streamcopy(ist, ost, pkt);
1423 static void print_sdp(void)
1427 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1431 for (i = 0; i < nb_output_files; i++)
1432 avc[i] = output_files[i]->ctx;
1434 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1435 printf("SDP:\n%s\n", sdp);
1440 static int init_input_stream(int ist_index, char *error, int error_len)
1443 InputStream *ist = input_streams[ist_index];
1444 if (ist->decoding_needed) {
1445 AVCodec *codec = ist->dec;
1447 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
1448 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1449 return AVERROR(EINVAL);
1452 /* update requested sample format for the decoder based on the
1453 corresponding encoder sample format */
1454 for (i = 0; i < nb_output_streams; i++) {
1455 OutputStream *ost = output_streams[i];
1456 if (ost->source_index == ist_index) {
1457 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1462 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
1463 ist->st->codec->get_buffer = codec_get_buffer;
1464 ist->st->codec->release_buffer = codec_release_buffer;
1465 ist->st->codec->opaque = &ist->buffer_pool;
1468 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1469 av_dict_set(&ist->opts, "threads", "auto", 0);
1470 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1471 if (ret == AVERROR_EXPERIMENTAL)
1472 abort_codec_experimental(codec, 0);
1473 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1474 ist->file_index, ist->st->index);
1477 assert_avoptions(ist->opts);
1480 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1481 ist->next_dts = AV_NOPTS_VALUE;
1482 init_pts_correction(&ist->pts_ctx);
1488 static InputStream *get_input_stream(OutputStream *ost)
1490 if (ost->source_index >= 0)
1491 return input_streams[ost->source_index];
1494 FilterGraph *fg = ost->filter->graph;
1497 for (i = 0; i < fg->nb_inputs; i++)
1498 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1499 return fg->inputs[i]->ist;
1505 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1506 AVCodecContext *avctx)
1512 for (p = kf; *p; p++)
1515 ost->forced_kf_count = n;
1516 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1517 if (!ost->forced_kf_pts) {
1518 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1523 for (i = 0; i < n; i++) {
1524 char *next = strchr(p, ',');
1529 t = parse_time_or_die("force_key_frames", p, 1);
1530 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1536 static int transcode_init(void)
1538 int ret = 0, i, j, k;
1539 AVFormatContext *oc;
1540 AVCodecContext *codec;
1546 /* init framerate emulation */
1547 for (i = 0; i < nb_input_files; i++) {
1548 InputFile *ifile = input_files[i];
1549 if (ifile->rate_emu)
1550 for (j = 0; j < ifile->nb_streams; j++)
1551 input_streams[j + ifile->ist_index]->start = av_gettime();
1554 /* output stream init */
1555 for (i = 0; i < nb_output_files; i++) {
1556 oc = output_files[i]->ctx;
1557 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1558 av_dump_format(oc, i, oc->filename, 1);
1559 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1560 return AVERROR(EINVAL);
1564 /* init complex filtergraphs */
1565 for (i = 0; i < nb_filtergraphs; i++)
1566 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1569 /* for each output stream, we compute the right encoding parameters */
1570 for (i = 0; i < nb_output_streams; i++) {
1571 AVCodecContext *icodec = NULL;
1572 ost = output_streams[i];
1573 oc = output_files[ost->file_index]->ctx;
1574 ist = get_input_stream(ost);
1576 if (ost->attachment_filename)
1579 codec = ost->st->codec;
1582 icodec = ist->st->codec;
1584 ost->st->disposition = ist->st->disposition;
1585 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1586 codec->chroma_sample_location = icodec->chroma_sample_location;
1589 if (ost->stream_copy) {
1590 uint64_t extra_size;
1592 av_assert0(ist && !ost->filter);
1594 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1596 if (extra_size > INT_MAX) {
1597 return AVERROR(EINVAL);
1600 /* if stream_copy is selected, no need to decode or encode */
1601 codec->codec_id = icodec->codec_id;
1602 codec->codec_type = icodec->codec_type;
1604 if (!codec->codec_tag) {
1605 if (!oc->oformat->codec_tag ||
1606 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1607 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
1608 codec->codec_tag = icodec->codec_tag;
1611 codec->bit_rate = icodec->bit_rate;
1612 codec->rc_max_rate = icodec->rc_max_rate;
1613 codec->rc_buffer_size = icodec->rc_buffer_size;
1614 codec->field_order = icodec->field_order;
1615 codec->extradata = av_mallocz(extra_size);
1616 if (!codec->extradata) {
1617 return AVERROR(ENOMEM);
1619 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1620 codec->extradata_size = icodec->extradata_size;
1622 codec->time_base = icodec->time_base;
1623 codec->time_base.num *= icodec->ticks_per_frame;
1624 av_reduce(&codec->time_base.num, &codec->time_base.den,
1625 codec->time_base.num, codec->time_base.den, INT_MAX);
1627 codec->time_base = ist->st->time_base;
1629 switch (codec->codec_type) {
1630 case AVMEDIA_TYPE_AUDIO:
1631 if (audio_volume != 256) {
1632 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
1635 codec->channel_layout = icodec->channel_layout;
1636 codec->sample_rate = icodec->sample_rate;
1637 codec->channels = icodec->channels;
1638 codec->frame_size = icodec->frame_size;
1639 codec->audio_service_type = icodec->audio_service_type;
1640 codec->block_align = icodec->block_align;
1642 case AVMEDIA_TYPE_VIDEO:
1643 codec->pix_fmt = icodec->pix_fmt;
1644 codec->width = icodec->width;
1645 codec->height = icodec->height;
1646 codec->has_b_frames = icodec->has_b_frames;
1647 if (!codec->sample_aspect_ratio.num) {
1648 codec->sample_aspect_ratio =
1649 ost->st->sample_aspect_ratio =
1650 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1651 ist->st->codec->sample_aspect_ratio.num ?
1652 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1655 case AVMEDIA_TYPE_SUBTITLE:
1656 codec->width = icodec->width;
1657 codec->height = icodec->height;
1659 case AVMEDIA_TYPE_DATA:
1660 case AVMEDIA_TYPE_ATTACHMENT:
1667 /* should only happen when a default codec is not present. */
1668 snprintf(error, sizeof(error), "Automatic encoder selection "
1669 "failed for output stream #%d:%d. Default encoder for "
1670 "format %s is probably disabled. Please choose an "
1671 "encoder manually.\n", ost->file_index, ost->index,
1673 ret = AVERROR(EINVAL);
1678 ist->decoding_needed = 1;
1679 ost->encoding_needed = 1;
1682 * We want CFR output if and only if one of those is true:
1683 * 1) user specified output framerate with -r
1684 * 2) user specified -vsync cfr
1685 * 3) output format is CFR and the user didn't force vsync to
1686 * something else than CFR
1688 * in such a case, set ost->frame_rate
1690 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1691 !ost->frame_rate.num && ist &&
1692 (video_sync_method == VSYNC_CFR ||
1693 (video_sync_method == VSYNC_AUTO &&
1694 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
1695 ost->frame_rate = ist->framerate.num ? ist->framerate :
1696 ist->st->avg_frame_rate.num ?
1697 ist->st->avg_frame_rate :
1698 (AVRational){25, 1};
1700 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1701 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1702 ost->frame_rate = ost->enc->supported_framerates[idx];
1707 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1708 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
1710 fg = init_simple_filtergraph(ist, ost);
1711 if (configure_filtergraph(fg)) {
1712 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1717 switch (codec->codec_type) {
1718 case AVMEDIA_TYPE_AUDIO:
1719 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1720 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1721 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1722 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1723 codec->time_base = (AVRational){ 1, codec->sample_rate };
1725 case AVMEDIA_TYPE_VIDEO:
1726 codec->time_base = ost->filter->filter->inputs[0]->time_base;
1728 codec->width = ost->filter->filter->inputs[0]->w;
1729 codec->height = ost->filter->filter->inputs[0]->h;
1730 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1731 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1732 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1733 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1734 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
1737 (codec->width != icodec->width ||
1738 codec->height != icodec->height ||
1739 codec->pix_fmt != icodec->pix_fmt)) {
1740 codec->bits_per_raw_sample = 0;
1743 if (ost->forced_keyframes)
1744 parse_forced_key_frames(ost->forced_keyframes, ost,
1747 case AVMEDIA_TYPE_SUBTITLE:
1748 codec->time_base = (AVRational){1, 1000};
1755 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1756 char logfilename[1024];
1759 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1760 ost->logfile_prefix ? ost->logfile_prefix :
1761 DEFAULT_PASS_LOGFILENAME_PREFIX,
1763 if (!strcmp(ost->enc->name, "libx264")) {
1764 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1766 if (codec->flags & CODEC_FLAG_PASS1) {
1767 f = fopen(logfilename, "wb");
1769 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1770 logfilename, strerror(errno));
1776 size_t logbuffer_size;
1777 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1778 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1782 codec->stats_in = logbuffer;
1789 /* open each encoder */
1790 for (i = 0; i < nb_output_streams; i++) {
1791 ost = output_streams[i];
1792 if (ost->encoding_needed) {
1793 AVCodec *codec = ost->enc;
1794 AVCodecContext *dec = NULL;
1796 if ((ist = get_input_stream(ost)))
1797 dec = ist->st->codec;
1798 if (dec && dec->subtitle_header) {
1799 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1800 if (!ost->st->codec->subtitle_header) {
1801 ret = AVERROR(ENOMEM);
1804 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1805 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1807 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1808 av_dict_set(&ost->opts, "threads", "auto", 0);
1809 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
1810 if (ret == AVERROR_EXPERIMENTAL)
1811 abort_codec_experimental(codec, 1);
1812 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1813 ost->file_index, ost->index);
1816 assert_avoptions(ost->opts);
1817 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1818 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1819 "It takes bits/s as argument, not kbits/s\n");
1820 extra_size += ost->st->codec->extradata_size;
1822 if (ost->st->codec->me_threshold)
1823 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
1827 /* init input streams */
1828 for (i = 0; i < nb_input_streams; i++)
1829 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
1832 /* discard unused programs */
1833 for (i = 0; i < nb_input_files; i++) {
1834 InputFile *ifile = input_files[i];
1835 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1836 AVProgram *p = ifile->ctx->programs[j];
1837 int discard = AVDISCARD_ALL;
1839 for (k = 0; k < p->nb_stream_indexes; k++)
1840 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
1841 discard = AVDISCARD_DEFAULT;
1844 p->discard = discard;
1848 /* open files and write file headers */
1849 for (i = 0; i < nb_output_files; i++) {
1850 oc = output_files[i]->ctx;
1851 oc->interrupt_callback = int_cb;
1852 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1854 const char *errbuf_ptr = errbuf;
1855 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
1856 errbuf_ptr = strerror(AVUNERROR(ret));
1857 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
1858 ret = AVERROR(EINVAL);
1861 assert_avoptions(output_files[i]->opts);
1862 if (strcmp(oc->oformat->name, "rtp")) {
1868 /* dump the file output parameters - cannot be done before in case
1870 for (i = 0; i < nb_output_files; i++) {
1871 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
1874 /* dump the stream mapping */
1875 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
1876 for (i = 0; i < nb_input_streams; i++) {
1877 ist = input_streams[i];
1879 for (j = 0; j < ist->nb_filters; j++) {
1880 if (ist->filters[j]->graph->graph_desc) {
1881 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1882 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
1883 ist->filters[j]->name);
1884 if (nb_filtergraphs > 1)
1885 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1886 av_log(NULL, AV_LOG_INFO, "\n");
1891 for (i = 0; i < nb_output_streams; i++) {
1892 ost = output_streams[i];
1894 if (ost->attachment_filename) {
1895 /* an attached file */
1896 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1897 ost->attachment_filename, ost->file_index, ost->index);
1901 if (ost->filter && ost->filter->graph->graph_desc) {
1902 /* output from a complex graph */
1903 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
1904 if (nb_filtergraphs > 1)
1905 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1907 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1908 ost->index, ost->enc ? ost->enc->name : "?");
1912 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
1913 input_streams[ost->source_index]->file_index,
1914 input_streams[ost->source_index]->st->index,
1917 if (ost->sync_ist != input_streams[ost->source_index])
1918 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
1919 ost->sync_ist->file_index,
1920 ost->sync_ist->st->index);
1921 if (ost->stream_copy)
1922 av_log(NULL, AV_LOG_INFO, " (copy)");
1924 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1925 input_streams[ost->source_index]->dec->name : "?",
1926 ost->enc ? ost->enc->name : "?");
1927 av_log(NULL, AV_LOG_INFO, "\n");
1931 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
1942 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
1943 static int need_output(void)
1947 for (i = 0; i < nb_output_streams; i++) {
1948 OutputStream *ost = output_streams[i];
1949 OutputFile *of = output_files[ost->file_index];
1950 AVFormatContext *os = output_files[ost->file_index]->ctx;
1952 if (ost->finished ||
1953 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1955 if (ost->frame_number >= ost->max_frames) {
1957 for (j = 0; j < of->ctx->nb_streams; j++)
1958 output_streams[of->ost_index + j]->finished = 1;
1968 static InputFile *select_input_file(void)
1970 InputFile *ifile = NULL;
1971 int64_t ipts_min = INT64_MAX;
1974 for (i = 0; i < nb_input_streams; i++) {
1975 InputStream *ist = input_streams[i];
1976 int64_t ipts = ist->last_dts;
1978 if (ist->discard || input_files[ist->file_index]->eagain)
1980 if (!input_files[ist->file_index]->eof_reached) {
1981 if (ipts < ipts_min) {
1983 ifile = input_files[ist->file_index];
1992 static void *input_thread(void *arg)
1997 while (!transcoding_finished && ret >= 0) {
1999 ret = av_read_frame(f->ctx, &pkt);
2001 if (ret == AVERROR(EAGAIN)) {
2008 pthread_mutex_lock(&f->fifo_lock);
2009 while (!av_fifo_space(f->fifo))
2010 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2012 av_dup_packet(&pkt);
2013 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2015 pthread_mutex_unlock(&f->fifo_lock);
2022 static void free_input_threads(void)
2026 if (nb_input_files == 1)
2029 transcoding_finished = 1;
2031 for (i = 0; i < nb_input_files; i++) {
2032 InputFile *f = input_files[i];
2035 if (!f->fifo || f->joined)
2038 pthread_mutex_lock(&f->fifo_lock);
2039 while (av_fifo_size(f->fifo)) {
2040 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2041 av_free_packet(&pkt);
2043 pthread_cond_signal(&f->fifo_cond);
2044 pthread_mutex_unlock(&f->fifo_lock);
2046 pthread_join(f->thread, NULL);
2049 while (av_fifo_size(f->fifo)) {
2050 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2051 av_free_packet(&pkt);
2053 av_fifo_free(f->fifo);
2057 static int init_input_threads(void)
2061 if (nb_input_files == 1)
2064 for (i = 0; i < nb_input_files; i++) {
2065 InputFile *f = input_files[i];
2067 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2068 return AVERROR(ENOMEM);
2070 pthread_mutex_init(&f->fifo_lock, NULL);
2071 pthread_cond_init (&f->fifo_cond, NULL);
2073 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2074 return AVERROR(ret);
2079 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2083 pthread_mutex_lock(&f->fifo_lock);
2085 if (av_fifo_size(f->fifo)) {
2086 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2087 pthread_cond_signal(&f->fifo_cond);
2092 ret = AVERROR(EAGAIN);
2095 pthread_mutex_unlock(&f->fifo_lock);
2101 static int get_input_packet(InputFile *f, AVPacket *pkt)
2104 if (nb_input_files > 1)
2105 return get_input_packet_mt(f, pkt);
2107 return av_read_frame(f->ctx, pkt);
2110 static int got_eagain(void)
2113 for (i = 0; i < nb_input_files; i++)
2114 if (input_files[i]->eagain)
2119 static void reset_eagain(void)
2122 for (i = 0; i < nb_input_files; i++)
2123 input_files[i]->eagain = 0;
2127 * Read one packet from an input file and send it for
2128 * - decoding -> lavfi (audio/video)
2129 * - decoding -> encoding -> muxing (subtitles)
2130 * - muxing (streamcopy)
2133 * - 0 -- one packet was read and processed
2134 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2135 * this function should be called again
2136 * - AVERROR_EOF -- this function should not be called again
2138 static int process_input(void)
2141 AVFormatContext *is;
2146 /* select the stream that we must read now */
2147 ifile = select_input_file();
2148 /* if none, if is finished */
2153 return AVERROR(EAGAIN);
2155 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2160 ret = get_input_packet(ifile, &pkt);
2162 if (ret == AVERROR(EAGAIN)) {
2167 if (ret != AVERROR_EOF) {
2168 print_error(is->filename, ret);
2172 ifile->eof_reached = 1;
2174 for (i = 0; i < ifile->nb_streams; i++) {
2175 ist = input_streams[ifile->ist_index + i];
2176 if (ist->decoding_needed)
2177 output_packet(ist, NULL);
2179 /* mark all outputs that don't go through lavfi as finished */
2180 for (j = 0; j < nb_output_streams; j++) {
2181 OutputStream *ost = output_streams[j];
2183 if (ost->source_index == ifile->ist_index + i &&
2184 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2189 return AVERROR(EAGAIN);
2195 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2196 is->streams[pkt.stream_index]);
2198 /* the following test is needed in case new streams appear
2199 dynamically in stream : we ignore them */
2200 if (pkt.stream_index >= ifile->nb_streams)
2201 goto discard_packet;
2203 ist = input_streams[ifile->ist_index + pkt.stream_index];
2205 goto discard_packet;
2207 if (pkt.dts != AV_NOPTS_VALUE)
2208 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2209 if (pkt.pts != AV_NOPTS_VALUE)
2210 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2212 if (pkt.pts != AV_NOPTS_VALUE)
2213 pkt.pts *= ist->ts_scale;
2214 if (pkt.dts != AV_NOPTS_VALUE)
2215 pkt.dts *= ist->ts_scale;
2217 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2218 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2219 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2220 int64_t delta = pkt_dts - ist->next_dts;
2222 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2223 ifile->ts_offset -= delta;
2224 av_log(NULL, AV_LOG_DEBUG,
2225 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2226 delta, ifile->ts_offset);
2227 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2228 if (pkt.pts != AV_NOPTS_VALUE)
2229 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2233 ret = output_packet(ist, &pkt);
2235 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2236 ist->file_index, ist->st->index);
2242 av_free_packet(&pkt);
2248 * The following code is the main loop of the file converter
2250 static int transcode(void)
2252 int ret, i, need_input = 1;
2253 AVFormatContext *os;
2256 int64_t timer_start;
2258 ret = transcode_init();
2262 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2265 timer_start = av_gettime();
2268 if ((ret = init_input_threads()) < 0)
2272 while (!received_sigterm) {
2273 /* check if there's any stream where output is still needed */
2274 if (!need_output()) {
2275 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2279 /* read and process one input packet if needed */
2281 ret = process_input();
2282 if (ret == AVERROR_EOF)
2286 ret = poll_filters();
2288 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
2291 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2295 /* dump report by using the output first video and audio streams */
2296 print_report(0, timer_start);
2299 free_input_threads();
2302 /* at the end of stream, we must flush the decoder buffers */
2303 for (i = 0; i < nb_input_streams; i++) {
2304 ist = input_streams[i];
2305 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
2306 output_packet(ist, NULL);
2314 /* write the trailer if needed and close file */
2315 for (i = 0; i < nb_output_files; i++) {
2316 os = output_files[i]->ctx;
2317 av_write_trailer(os);
2320 /* dump report by using the first video and audio streams */
2321 print_report(1, timer_start);
2323 /* close each encoder */
2324 for (i = 0; i < nb_output_streams; i++) {
2325 ost = output_streams[i];
2326 if (ost->encoding_needed) {
2327 av_freep(&ost->st->codec->stats_in);
2328 avcodec_close(ost->st->codec);
2332 /* close each decoder */
2333 for (i = 0; i < nb_input_streams; i++) {
2334 ist = input_streams[i];
2335 if (ist->decoding_needed) {
2336 avcodec_close(ist->st->codec);
2345 free_input_threads();
2348 if (output_streams) {
2349 for (i = 0; i < nb_output_streams; i++) {
2350 ost = output_streams[i];
2352 if (ost->stream_copy)
2353 av_freep(&ost->st->codec->extradata);
2355 fclose(ost->logfile);
2356 ost->logfile = NULL;
2358 av_freep(&ost->st->codec->subtitle_header);
2359 av_free(ost->forced_kf_pts);
2360 av_dict_free(&ost->opts);
2367 static int64_t getutime(void)
2370 struct rusage rusage;
2372 getrusage(RUSAGE_SELF, &rusage);
2373 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2374 #elif HAVE_GETPROCESSTIMES
2376 FILETIME c, e, k, u;
2377 proc = GetCurrentProcess();
2378 GetProcessTimes(proc, &c, &e, &k, &u);
2379 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2381 return av_gettime();
2385 static int64_t getmaxrss(void)
2387 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2388 struct rusage rusage;
2389 getrusage(RUSAGE_SELF, &rusage);
2390 return (int64_t)rusage.ru_maxrss * 1024;
2391 #elif HAVE_GETPROCESSMEMORYINFO
2393 PROCESS_MEMORY_COUNTERS memcounters;
2394 proc = GetCurrentProcess();
2395 memcounters.cb = sizeof(memcounters);
2396 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2397 return memcounters.PeakPagefileUsage;
2403 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
2405 int idx = locate_option(argc, argv, options, "cpuflags");
2406 if (idx && argv[idx + 1])
2407 opt_cpuflags(NULL, "cpuflags", argv[idx + 1]);
2410 int main(int argc, char **argv)
2412 OptionsContext o = { 0 };
2415 atexit(exit_program);
2419 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2420 parse_loglevel(argc, argv, options);
2422 avcodec_register_all();
2424 avdevice_register_all();
2426 avfilter_register_all();
2428 avformat_network_init();
2432 parse_cpuflags(argc, argv, options);
2435 parse_options(&o, argc, argv, options, opt_output_file);
2437 if (nb_output_files <= 0 && nb_input_files == 0) {
2439 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
2443 /* file converter / grab */
2444 if (nb_output_files <= 0) {
2445 fprintf(stderr, "At least one output file must be specified\n");
2450 if (transcode() < 0)
2452 ti = getutime() - ti;
2454 int maxrss = getmaxrss() / 1024;
2455 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);