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()
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 assert_codec_experimental(AVCodecContext *c, int encoder)
234 const char *codec_string = encoder ? "encoder" : "decoder";
236 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
237 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
238 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
239 "results.\nAdd '-strict experimental' if you want to use it.\n",
240 codec_string, c->codec->name);
241 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
242 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
243 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
244 codec_string, codec->name);
250 * Update the requested input sample format based on the output sample format.
251 * This is currently only used to request float output from decoders which
252 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
253 * Ideally this will be removed in the future when decoders do not do format
254 * conversion and only output in their native format.
256 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
259 /* if sample formats match or a decoder sample format has already been
260 requested, just return */
261 if (enc->sample_fmt == dec->sample_fmt ||
262 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
265 /* if decoder supports more than one output format */
266 if (dec_codec && dec_codec->sample_fmts &&
267 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
268 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
269 const enum AVSampleFormat *p;
270 int min_dec = INT_MAX, min_inc = INT_MAX;
271 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
272 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
274 /* find a matching sample format in the encoder */
275 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
276 if (*p == enc->sample_fmt) {
277 dec->request_sample_fmt = *p;
280 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
281 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
282 int fmt_diff = 32 * abs(dfmt - efmt);
283 if (av_sample_fmt_is_planar(*p) !=
284 av_sample_fmt_is_planar(enc->sample_fmt))
289 } else if (dfmt > efmt) {
290 if (fmt_diff < min_inc) {
295 if (fmt_diff < min_dec) {
303 /* if none match, provide the one that matches quality closest */
304 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
308 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
310 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
311 AVCodecContext *avctx = ost->st->codec;
315 * Audio encoders may split the packets -- #frames in != #packets out.
316 * But there is no reordering, so we can limit the number of output packets
317 * by simply dropping them here.
318 * Counting encoded video frames needs to be done separately because of
319 * reordering, see do_video_out()
321 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
322 if (ost->frame_number >= ost->max_frames) {
330 AVPacket new_pkt = *pkt;
331 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
332 &new_pkt.data, &new_pkt.size,
333 pkt->data, pkt->size,
334 pkt->flags & AV_PKT_FLAG_KEY);
337 new_pkt.destruct = av_destruct_packet;
339 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
340 bsfc->filter->name, pkt->stream_index,
341 avctx->codec ? avctx->codec->name : "copy");
351 pkt->stream_index = ost->index;
352 ret = av_interleaved_write_frame(s, pkt);
354 print_error("av_interleaved_write_frame()", ret);
359 static int check_recording_time(OutputStream *ost)
361 OutputFile *of = output_files[ost->file_index];
363 if (of->recording_time != INT64_MAX &&
364 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
365 AV_TIME_BASE_Q) >= 0) {
372 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
375 AVCodecContext *enc = ost->st->codec;
379 av_init_packet(&pkt);
383 if (!check_recording_time(ost))
386 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
387 frame->pts = ost->sync_opts;
388 ost->sync_opts = frame->pts + frame->nb_samples;
390 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
391 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
396 if (pkt.pts != AV_NOPTS_VALUE)
397 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
398 if (pkt.dts != AV_NOPTS_VALUE)
399 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
400 if (pkt.duration > 0)
401 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
403 write_frame(s, &pkt, ost);
405 audio_size += pkt.size;
409 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
413 AVPicture picture_tmp;
416 dec = ist->st->codec;
418 /* deinterlace : must be done before any resize */
419 if (do_deinterlace) {
422 /* create temporary picture */
423 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
424 buf = av_malloc(size);
428 picture2 = &picture_tmp;
429 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
431 if (avpicture_deinterlace(picture2, picture,
432 dec->pix_fmt, dec->width, dec->height) < 0) {
433 /* if error, do not deinterlace */
434 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
443 if (picture != picture2)
444 *picture = *picture2;
448 static void do_subtitle_out(AVFormatContext *s,
454 static uint8_t *subtitle_out = NULL;
455 int subtitle_out_max_size = 1024 * 1024;
456 int subtitle_out_size, nb, i;
460 if (pts == AV_NOPTS_VALUE) {
461 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
467 enc = ost->st->codec;
470 subtitle_out = av_malloc(subtitle_out_max_size);
473 /* Note: DVB subtitle need one packet to draw them and one other
474 packet to clear them */
475 /* XXX: signal it in the codec context ? */
476 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
481 for (i = 0; i < nb; i++) {
482 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
483 if (!check_recording_time(ost))
486 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
487 // start_display_time is required to be 0
488 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
489 sub->end_display_time -= sub->start_display_time;
490 sub->start_display_time = 0;
491 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
492 subtitle_out_max_size, sub);
493 if (subtitle_out_size < 0) {
494 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
498 av_init_packet(&pkt);
499 pkt.data = subtitle_out;
500 pkt.size = subtitle_out_size;
501 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
502 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
503 /* XXX: the pts correction is handled here. Maybe handling
504 it in the codec would be better */
506 pkt.pts += 90 * sub->start_display_time;
508 pkt.pts += 90 * sub->end_display_time;
510 write_frame(s, &pkt, ost);
514 static void do_video_out(AVFormatContext *s,
517 int *frame_size, float quality)
519 int ret, format_video_sync;
521 AVCodecContext *enc = ost->st->codec;
525 format_video_sync = video_sync_method;
526 if (format_video_sync == VSYNC_AUTO)
527 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
528 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
529 if (format_video_sync != VSYNC_PASSTHROUGH &&
531 in_picture->pts != AV_NOPTS_VALUE &&
532 in_picture->pts < ost->sync_opts) {
534 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
538 if (in_picture->pts == AV_NOPTS_VALUE)
539 in_picture->pts = ost->sync_opts;
540 ost->sync_opts = in_picture->pts;
543 if (!ost->frame_number)
544 ost->first_pts = in_picture->pts;
546 av_init_packet(&pkt);
550 if (!check_recording_time(ost) ||
551 ost->frame_number >= ost->max_frames)
554 if (s->oformat->flags & AVFMT_RAWPICTURE &&
555 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
556 /* raw pictures are written as AVPicture structure to
557 avoid any copies. We support temporarily the older
559 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
560 enc->coded_frame->top_field_first = in_picture->top_field_first;
561 pkt.data = (uint8_t *)in_picture;
562 pkt.size = sizeof(AVPicture);
563 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
564 pkt.flags |= AV_PKT_FLAG_KEY;
566 write_frame(s, &pkt, ost);
571 big_picture = *in_picture;
572 /* better than nothing: use input picture interlaced
574 big_picture.interlaced_frame = in_picture->interlaced_frame;
575 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
576 if (ost->top_field_first == -1)
577 big_picture.top_field_first = in_picture->top_field_first;
579 big_picture.top_field_first = !!ost->top_field_first;
582 /* handles same_quant here. This is not correct because it may
583 not be a global option */
584 big_picture.quality = quality;
585 if (!enc->me_threshold)
586 big_picture.pict_type = 0;
587 if (ost->forced_kf_index < ost->forced_kf_count &&
588 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
589 big_picture.pict_type = AV_PICTURE_TYPE_I;
590 ost->forced_kf_index++;
592 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
594 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
599 if (pkt.pts != AV_NOPTS_VALUE)
600 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
601 if (pkt.dts != AV_NOPTS_VALUE)
602 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
604 write_frame(s, &pkt, ost);
605 *frame_size = pkt.size;
606 video_size += pkt.size;
608 /* if two pass, output log */
609 if (ost->logfile && enc->stats_out) {
610 fprintf(ost->logfile, "%s", enc->stats_out);
616 * For video, number of frames in == number of packets out.
617 * But there may be reordering, so we can't throw away frames on encoder
618 * flush, we need to limit them here, before they go into encoder.
623 static double psnr(double d)
625 return -10.0 * log(d) / log(10.0);
628 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
633 double ti1, bitrate, avg_bitrate;
635 /* this is executed just the first time do_video_stats is called */
637 vstats_file = fopen(vstats_filename, "w");
644 enc = ost->st->codec;
645 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
646 frame_number = ost->frame_number;
647 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
648 if (enc->flags&CODEC_FLAG_PSNR)
649 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
651 fprintf(vstats_file,"f_size= %6d ", frame_size);
652 /* compute pts value */
653 ti1 = ost->sync_opts * av_q2d(enc->time_base);
657 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
658 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
659 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
660 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
661 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
666 * Read one frame for lavfi output for ost and encode it.
668 static int poll_filter(OutputStream *ost)
670 OutputFile *of = output_files[ost->file_index];
671 AVFilterBufferRef *picref;
672 AVFrame *filtered_frame = NULL;
675 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
676 return AVERROR(ENOMEM);
678 avcodec_get_frame_defaults(ost->filtered_frame);
679 filtered_frame = ost->filtered_frame;
681 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
682 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
683 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
684 ost->st->codec->frame_size);
686 ret = av_buffersink_read(ost->filter->filter, &picref);
691 avfilter_copy_buf_props(filtered_frame, picref);
692 if (picref->pts != AV_NOPTS_VALUE) {
693 filtered_frame->pts = av_rescale_q(picref->pts,
694 ost->filter->filter->inputs[0]->time_base,
695 ost->st->codec->time_base) -
696 av_rescale_q(of->start_time,
698 ost->st->codec->time_base);
700 if (of->start_time && filtered_frame->pts < 0) {
701 avfilter_unref_buffer(picref);
706 switch (ost->filter->filter->inputs[0]->type) {
707 case AVMEDIA_TYPE_VIDEO:
708 if (!ost->frame_aspect_ratio)
709 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
711 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
712 same_quant ? ost->last_quality :
713 ost->st->codec->global_quality);
714 if (vstats_filename && frame_size)
715 do_video_stats(of->ctx, ost, frame_size);
717 case AVMEDIA_TYPE_AUDIO:
718 do_audio_out(of->ctx, ost, filtered_frame);
721 // TODO support subtitle filters
725 avfilter_unref_buffer(picref);
731 * Read as many frames from possible from lavfi and encode them.
733 * Always read from the active stream with the lowest timestamp. If no frames
734 * are available for it then return EAGAIN and wait for more input. This way we
735 * can use lavfi sources that generate unlimited amount of frames without memory
738 static int poll_filters(void)
742 while (ret >= 0 && !received_sigterm) {
743 OutputStream *ost = NULL;
744 int64_t min_pts = INT64_MAX;
746 /* choose output stream with the lowest timestamp */
747 for (i = 0; i < nb_output_streams; i++) {
748 int64_t pts = output_streams[i]->sync_opts;
750 if (!output_streams[i]->filter || output_streams[i]->finished)
753 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
757 ost = output_streams[i];
764 ret = poll_filter(ost);
766 if (ret == AVERROR_EOF) {
767 OutputFile *of = output_files[ost->file_index];
772 for (j = 0; j < of->ctx->nb_streams; j++)
773 output_streams[of->ost_index + j]->finished = 1;
777 } else if (ret == AVERROR(EAGAIN))
784 static void print_report(int is_last_report, int64_t timer_start)
791 int frame_number, vid, i;
792 double bitrate, ti1, pts;
793 static int64_t last_time = -1;
794 static int qp_histogram[52];
796 if (!print_stats && !is_last_report)
799 if (!is_last_report) {
801 /* display the report every 0.5 seconds */
802 cur_time = av_gettime();
803 if (last_time == -1) {
804 last_time = cur_time;
807 if ((cur_time - last_time) < 500000)
809 last_time = cur_time;
813 oc = output_files[0]->ctx;
815 total_size = avio_size(oc->pb);
816 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
817 total_size = avio_tell(oc->pb);
822 for (i = 0; i < nb_output_streams; i++) {
824 ost = output_streams[i];
825 enc = ost->st->codec;
826 if (!ost->stream_copy && enc->coded_frame)
827 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
828 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
829 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
831 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
832 float t = (av_gettime() - timer_start) / 1000000.0;
834 frame_number = ost->frame_number;
835 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
836 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
838 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
842 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
844 for (j = 0; j < 32; j++)
845 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
847 if (enc->flags&CODEC_FLAG_PSNR) {
849 double error, error_sum = 0;
850 double scale, scale_sum = 0;
851 char type[3] = { 'Y','U','V' };
852 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
853 for (j = 0; j < 3; j++) {
854 if (is_last_report) {
855 error = enc->error[j];
856 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
858 error = enc->coded_frame->error[j];
859 scale = enc->width * enc->height * 255.0 * 255.0;
865 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
867 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
871 /* compute min output value */
872 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
873 if ((pts < ti1) && (pts > 0))
879 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
881 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
882 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
883 (double)total_size / 1024, ti1, bitrate);
885 if (nb_frames_dup || nb_frames_drop)
886 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
887 nb_frames_dup, nb_frames_drop);
889 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
893 if (is_last_report) {
894 int64_t raw= audio_size + video_size + extra_size;
895 av_log(NULL, AV_LOG_INFO, "\n");
896 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
900 100.0 * (total_size - raw) / raw
905 static void flush_encoders(void)
909 for (i = 0; i < nb_output_streams; i++) {
910 OutputStream *ost = output_streams[i];
911 AVCodecContext *enc = ost->st->codec;
912 AVFormatContext *os = output_files[ost->file_index]->ctx;
913 int stop_encoding = 0;
915 if (!ost->encoding_needed)
918 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
920 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
924 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
928 switch (ost->st->codec->codec_type) {
929 case AVMEDIA_TYPE_AUDIO:
930 encode = avcodec_encode_audio2;
934 case AVMEDIA_TYPE_VIDEO:
935 encode = avcodec_encode_video2;
946 av_init_packet(&pkt);
950 ret = encode(enc, &pkt, NULL, &got_packet);
952 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
956 if (ost->logfile && enc->stats_out) {
957 fprintf(ost->logfile, "%s", enc->stats_out);
963 if (pkt.pts != AV_NOPTS_VALUE)
964 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
965 if (pkt.dts != AV_NOPTS_VALUE)
966 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
967 write_frame(os, &pkt, ost);
977 * Check whether a packet from ist should be written into ost at this time
979 static int check_output_constraints(InputStream *ist, OutputStream *ost)
981 OutputFile *of = output_files[ost->file_index];
982 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
984 if (ost->source_index != ist_index)
987 if (of->start_time && ist->last_dts < of->start_time)
993 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
995 OutputFile *of = output_files[ost->file_index];
996 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
999 av_init_packet(&opkt);
1001 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1002 !ost->copy_initial_nonkeyframes)
1005 if (of->recording_time != INT64_MAX &&
1006 ist->last_dts >= of->recording_time + of->start_time) {
1011 /* force the input stream PTS */
1012 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1013 audio_size += pkt->size;
1014 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1015 video_size += pkt->size;
1019 if (pkt->pts != AV_NOPTS_VALUE)
1020 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1022 opkt.pts = AV_NOPTS_VALUE;
1024 if (pkt->dts == AV_NOPTS_VALUE)
1025 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1027 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1028 opkt.dts -= ost_tb_start_time;
1030 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1031 opkt.flags = pkt->flags;
1033 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1034 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1035 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1036 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1037 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1039 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1040 opkt.destruct = av_destruct_packet;
1042 opkt.data = pkt->data;
1043 opkt.size = pkt->size;
1046 write_frame(of->ctx, &opkt, ost);
1047 ost->st->codec->frame_number++;
1048 av_free_packet(&opkt);
1051 static void rate_emu_sleep(InputStream *ist)
1053 if (input_files[ist->file_index]->rate_emu) {
1054 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1055 int64_t now = av_gettime() - ist->start;
1057 av_usleep(pts - now);
1061 int guess_input_channel_layout(InputStream *ist)
1063 AVCodecContext *dec = ist->st->codec;
1065 if (!dec->channel_layout) {
1066 char layout_name[256];
1068 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1069 if (!dec->channel_layout)
1071 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1072 dec->channels, dec->channel_layout);
1073 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1074 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1079 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1081 AVFrame *decoded_frame;
1082 AVCodecContext *avctx = ist->st->codec;
1083 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1084 int i, ret, resample_changed;
1086 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1087 return AVERROR(ENOMEM);
1089 avcodec_get_frame_defaults(ist->decoded_frame);
1090 decoded_frame = ist->decoded_frame;
1092 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1093 if (!*got_output || ret < 0) {
1095 for (i = 0; i < ist->nb_filters; i++)
1096 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
1101 /* if the decoder provides a pts, use it instead of the last packet pts.
1102 the decoder could be delaying output by a packet or more. */
1103 if (decoded_frame->pts != AV_NOPTS_VALUE)
1104 ist->next_dts = decoded_frame->pts;
1105 else if (pkt->pts != AV_NOPTS_VALUE) {
1106 decoded_frame->pts = pkt->pts;
1107 pkt->pts = AV_NOPTS_VALUE;
1110 // preprocess audio (volume)
1111 if (audio_volume != 256) {
1112 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1113 void *samples = decoded_frame->data[0];
1114 switch (avctx->sample_fmt) {
1115 case AV_SAMPLE_FMT_U8:
1117 uint8_t *volp = samples;
1118 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1119 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1120 *volp++ = av_clip_uint8(v);
1124 case AV_SAMPLE_FMT_S16:
1126 int16_t *volp = samples;
1127 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1128 int v = ((*volp) * audio_volume + 128) >> 8;
1129 *volp++ = av_clip_int16(v);
1133 case AV_SAMPLE_FMT_S32:
1135 int32_t *volp = samples;
1136 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1137 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1138 *volp++ = av_clipl_int32(v);
1142 case AV_SAMPLE_FMT_FLT:
1144 float *volp = samples;
1145 float scale = audio_volume / 256.f;
1146 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1151 case AV_SAMPLE_FMT_DBL:
1153 double *volp = samples;
1154 double scale = audio_volume / 256.;
1155 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1161 av_log(NULL, AV_LOG_FATAL,
1162 "Audio volume adjustment on sample format %s is not supported.\n",
1163 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1168 rate_emu_sleep(ist);
1170 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1171 ist->resample_channels != avctx->channels ||
1172 ist->resample_channel_layout != decoded_frame->channel_layout ||
1173 ist->resample_sample_rate != decoded_frame->sample_rate;
1174 if (resample_changed) {
1175 char layout1[64], layout2[64];
1177 if (!guess_input_channel_layout(ist)) {
1178 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1179 "layout for Input Stream #%d.%d\n", ist->file_index,
1183 decoded_frame->channel_layout = avctx->channel_layout;
1185 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1186 ist->resample_channel_layout);
1187 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1188 decoded_frame->channel_layout);
1190 av_log(NULL, AV_LOG_INFO,
1191 "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",
1192 ist->file_index, ist->st->index,
1193 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1194 ist->resample_channels, layout1,
1195 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1196 avctx->channels, layout2);
1198 ist->resample_sample_fmt = decoded_frame->format;
1199 ist->resample_sample_rate = decoded_frame->sample_rate;
1200 ist->resample_channel_layout = decoded_frame->channel_layout;
1201 ist->resample_channels = avctx->channels;
1203 for (i = 0; i < nb_filtergraphs; i++)
1204 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1205 configure_filtergraph(filtergraphs[i]) < 0) {
1206 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1211 if (decoded_frame->pts != AV_NOPTS_VALUE)
1212 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1214 (AVRational){1, ist->st->codec->sample_rate});
1215 for (i = 0; i < ist->nb_filters; i++)
1216 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1221 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1223 AVFrame *decoded_frame;
1224 void *buffer_to_free = NULL;
1225 int i, ret = 0, resample_changed;
1228 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1229 return AVERROR(ENOMEM);
1231 avcodec_get_frame_defaults(ist->decoded_frame);
1232 decoded_frame = ist->decoded_frame;
1234 ret = avcodec_decode_video2(ist->st->codec,
1235 decoded_frame, got_output, pkt);
1236 if (!*got_output || ret < 0) {
1238 for (i = 0; i < ist->nb_filters; i++)
1239 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
1244 quality = same_quant ? decoded_frame->quality : 0;
1245 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1246 decoded_frame->pkt_dts);
1248 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1250 rate_emu_sleep(ist);
1252 if (ist->st->sample_aspect_ratio.num)
1253 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1255 resample_changed = ist->resample_width != decoded_frame->width ||
1256 ist->resample_height != decoded_frame->height ||
1257 ist->resample_pix_fmt != decoded_frame->format;
1258 if (resample_changed) {
1259 av_log(NULL, AV_LOG_INFO,
1260 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1261 ist->file_index, ist->st->index,
1262 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1263 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1265 ret = poll_filters();
1266 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1267 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1269 ist->resample_width = decoded_frame->width;
1270 ist->resample_height = decoded_frame->height;
1271 ist->resample_pix_fmt = decoded_frame->format;
1273 for (i = 0; i < nb_filtergraphs; i++)
1274 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1275 configure_filtergraph(filtergraphs[i]) < 0) {
1276 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1281 for (i = 0; i < ist->nb_filters; i++) {
1282 // XXX what an ugly hack
1283 if (ist->filters[i]->graph->nb_outputs == 1)
1284 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1286 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1287 FrameBuffer *buf = decoded_frame->opaque;
1288 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1289 decoded_frame->data, decoded_frame->linesize,
1290 AV_PERM_READ | AV_PERM_PRESERVE,
1291 ist->st->codec->width, ist->st->codec->height,
1292 ist->st->codec->pix_fmt);
1294 avfilter_copy_frame_props(fb, decoded_frame);
1295 fb->buf->priv = buf;
1296 fb->buf->free = filter_release_buffer;
1299 av_buffersrc_buffer(ist->filters[i]->filter, fb);
1301 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1304 av_free(buffer_to_free);
1308 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1310 AVSubtitle subtitle;
1311 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1312 &subtitle, got_output, pkt);
1318 rate_emu_sleep(ist);
1320 for (i = 0; i < nb_output_streams; i++) {
1321 OutputStream *ost = output_streams[i];
1323 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1326 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
1329 avsubtitle_free(&subtitle);
1333 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1334 static int output_packet(InputStream *ist, const AVPacket *pkt)
1340 if (ist->next_dts == AV_NOPTS_VALUE)
1341 ist->next_dts = ist->last_dts;
1345 av_init_packet(&avpkt);
1353 if (pkt->dts != AV_NOPTS_VALUE)
1354 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1356 // while we have more to decode or while the decoder did output something on EOF
1357 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1361 ist->last_dts = ist->next_dts;
1363 if (avpkt.size && avpkt.size != pkt->size) {
1364 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1365 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1366 ist->showed_multi_packet_warning = 1;
1369 switch (ist->st->codec->codec_type) {
1370 case AVMEDIA_TYPE_AUDIO:
1371 ret = decode_audio (ist, &avpkt, &got_output);
1373 case AVMEDIA_TYPE_VIDEO:
1374 ret = decode_video (ist, &avpkt, &got_output);
1376 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1377 else if (ist->st->avg_frame_rate.num)
1378 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
1380 else if (ist->st->codec->time_base.num != 0) {
1381 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1382 ist->st->codec->ticks_per_frame;
1383 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1386 case AVMEDIA_TYPE_SUBTITLE:
1387 ret = transcode_subtitles(ist, &avpkt, &got_output);
1395 // touch data and size only if not EOF
1405 /* handle stream copy */
1406 if (!ist->decoding_needed) {
1407 rate_emu_sleep(ist);
1408 ist->last_dts = ist->next_dts;
1409 switch (ist->st->codec->codec_type) {
1410 case AVMEDIA_TYPE_AUDIO:
1411 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1412 ist->st->codec->sample_rate;
1414 case AVMEDIA_TYPE_VIDEO:
1415 if (ist->st->codec->time_base.num != 0) {
1416 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1417 ist->next_dts += ((int64_t)AV_TIME_BASE *
1418 ist->st->codec->time_base.num * ticks) /
1419 ist->st->codec->time_base.den;
1424 for (i = 0; pkt && i < nb_output_streams; i++) {
1425 OutputStream *ost = output_streams[i];
1427 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1430 do_streamcopy(ist, ost, pkt);
1436 static void print_sdp(void)
1440 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1444 for (i = 0; i < nb_output_files; i++)
1445 avc[i] = output_files[i]->ctx;
1447 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1448 printf("SDP:\n%s\n", sdp);
1453 static int init_input_stream(int ist_index, char *error, int error_len)
1456 InputStream *ist = input_streams[ist_index];
1457 if (ist->decoding_needed) {
1458 AVCodec *codec = ist->dec;
1460 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
1461 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1462 return AVERROR(EINVAL);
1465 /* update requested sample format for the decoder based on the
1466 corresponding encoder sample format */
1467 for (i = 0; i < nb_output_streams; i++) {
1468 OutputStream *ost = output_streams[i];
1469 if (ost->source_index == ist_index) {
1470 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1475 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
1476 ist->st->codec->get_buffer = codec_get_buffer;
1477 ist->st->codec->release_buffer = codec_release_buffer;
1478 ist->st->codec->opaque = &ist->buffer_pool;
1481 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1482 av_dict_set(&ist->opts, "threads", "auto", 0);
1483 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1484 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1485 ist->file_index, ist->st->index);
1486 return AVERROR(EINVAL);
1488 assert_codec_experimental(ist->st->codec, 0);
1489 assert_avoptions(ist->opts);
1492 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;
1493 ist->next_dts = AV_NOPTS_VALUE;
1494 init_pts_correction(&ist->pts_ctx);
1500 static InputStream *get_input_stream(OutputStream *ost)
1502 if (ost->source_index >= 0)
1503 return input_streams[ost->source_index];
1506 FilterGraph *fg = ost->filter->graph;
1509 for (i = 0; i < fg->nb_inputs; i++)
1510 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1511 return fg->inputs[i]->ist;
1517 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1518 AVCodecContext *avctx)
1524 for (p = kf; *p; p++)
1527 ost->forced_kf_count = n;
1528 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1529 if (!ost->forced_kf_pts) {
1530 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1535 for (i = 0; i < n; i++) {
1536 char *next = strchr(p, ',');
1541 t = parse_time_or_die("force_key_frames", p, 1);
1542 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1548 static int transcode_init(void)
1550 int ret = 0, i, j, k;
1551 AVFormatContext *oc;
1552 AVCodecContext *codec;
1558 /* init framerate emulation */
1559 for (i = 0; i < nb_input_files; i++) {
1560 InputFile *ifile = input_files[i];
1561 if (ifile->rate_emu)
1562 for (j = 0; j < ifile->nb_streams; j++)
1563 input_streams[j + ifile->ist_index]->start = av_gettime();
1566 /* output stream init */
1567 for (i = 0; i < nb_output_files; i++) {
1568 oc = output_files[i]->ctx;
1569 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1570 av_dump_format(oc, i, oc->filename, 1);
1571 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1572 return AVERROR(EINVAL);
1576 /* init complex filtergraphs */
1577 for (i = 0; i < nb_filtergraphs; i++)
1578 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1581 /* for each output stream, we compute the right encoding parameters */
1582 for (i = 0; i < nb_output_streams; i++) {
1583 AVCodecContext *icodec = NULL;
1584 ost = output_streams[i];
1585 oc = output_files[ost->file_index]->ctx;
1586 ist = get_input_stream(ost);
1588 if (ost->attachment_filename)
1591 codec = ost->st->codec;
1594 icodec = ist->st->codec;
1596 ost->st->disposition = ist->st->disposition;
1597 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1598 codec->chroma_sample_location = icodec->chroma_sample_location;
1601 if (ost->stream_copy) {
1602 uint64_t extra_size;
1604 av_assert0(ist && !ost->filter);
1606 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1608 if (extra_size > INT_MAX) {
1609 return AVERROR(EINVAL);
1612 /* if stream_copy is selected, no need to decode or encode */
1613 codec->codec_id = icodec->codec_id;
1614 codec->codec_type = icodec->codec_type;
1616 if (!codec->codec_tag) {
1617 if (!oc->oformat->codec_tag ||
1618 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1619 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
1620 codec->codec_tag = icodec->codec_tag;
1623 codec->bit_rate = icodec->bit_rate;
1624 codec->rc_max_rate = icodec->rc_max_rate;
1625 codec->rc_buffer_size = icodec->rc_buffer_size;
1626 codec->field_order = icodec->field_order;
1627 codec->extradata = av_mallocz(extra_size);
1628 if (!codec->extradata) {
1629 return AVERROR(ENOMEM);
1631 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1632 codec->extradata_size = icodec->extradata_size;
1634 codec->time_base = icodec->time_base;
1635 codec->time_base.num *= icodec->ticks_per_frame;
1636 av_reduce(&codec->time_base.num, &codec->time_base.den,
1637 codec->time_base.num, codec->time_base.den, INT_MAX);
1639 codec->time_base = ist->st->time_base;
1641 switch (codec->codec_type) {
1642 case AVMEDIA_TYPE_AUDIO:
1643 if (audio_volume != 256) {
1644 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
1647 codec->channel_layout = icodec->channel_layout;
1648 codec->sample_rate = icodec->sample_rate;
1649 codec->channels = icodec->channels;
1650 codec->frame_size = icodec->frame_size;
1651 codec->audio_service_type = icodec->audio_service_type;
1652 codec->block_align = icodec->block_align;
1654 case AVMEDIA_TYPE_VIDEO:
1655 codec->pix_fmt = icodec->pix_fmt;
1656 codec->width = icodec->width;
1657 codec->height = icodec->height;
1658 codec->has_b_frames = icodec->has_b_frames;
1659 if (!codec->sample_aspect_ratio.num) {
1660 codec->sample_aspect_ratio =
1661 ost->st->sample_aspect_ratio =
1662 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1663 ist->st->codec->sample_aspect_ratio.num ?
1664 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1667 case AVMEDIA_TYPE_SUBTITLE:
1668 codec->width = icodec->width;
1669 codec->height = icodec->height;
1671 case AVMEDIA_TYPE_DATA:
1672 case AVMEDIA_TYPE_ATTACHMENT:
1679 /* should only happen when a default codec is not present. */
1680 snprintf(error, sizeof(error), "Automatic encoder selection "
1681 "failed for output stream #%d:%d. Default encoder for "
1682 "format %s is probably disabled. Please choose an "
1683 "encoder manually.\n", ost->file_index, ost->index,
1685 ret = AVERROR(EINVAL);
1690 ist->decoding_needed = 1;
1691 ost->encoding_needed = 1;
1694 * We want CFR output if and only if one of those is true:
1695 * 1) user specified output framerate with -r
1696 * 2) user specified -vsync cfr
1697 * 3) output format is CFR and the user didn't force vsync to
1698 * something else than CFR
1700 * in such a case, set ost->frame_rate
1702 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1703 !ost->frame_rate.num && ist &&
1704 (video_sync_method == VSYNC_CFR ||
1705 (video_sync_method == VSYNC_AUTO &&
1706 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
1707 ost->frame_rate = ist->framerate.num ? ist->framerate :
1708 ist->st->avg_frame_rate.num ?
1709 ist->st->avg_frame_rate :
1710 (AVRational){25, 1};
1712 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1713 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1714 ost->frame_rate = ost->enc->supported_framerates[idx];
1719 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1720 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
1722 fg = init_simple_filtergraph(ist, ost);
1723 if (configure_filtergraph(fg)) {
1724 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1729 switch (codec->codec_type) {
1730 case AVMEDIA_TYPE_AUDIO:
1731 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1732 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1733 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1734 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1735 codec->time_base = (AVRational){ 1, codec->sample_rate };
1737 case AVMEDIA_TYPE_VIDEO:
1738 codec->time_base = ost->filter->filter->inputs[0]->time_base;
1740 codec->width = ost->filter->filter->inputs[0]->w;
1741 codec->height = ost->filter->filter->inputs[0]->h;
1742 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1743 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1744 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1745 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1746 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
1749 (codec->width != icodec->width ||
1750 codec->height != icodec->height ||
1751 codec->pix_fmt != icodec->pix_fmt)) {
1752 codec->bits_per_raw_sample = 0;
1755 if (ost->forced_keyframes)
1756 parse_forced_key_frames(ost->forced_keyframes, ost,
1759 case AVMEDIA_TYPE_SUBTITLE:
1760 codec->time_base = (AVRational){1, 1000};
1767 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1768 char logfilename[1024];
1771 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1772 ost->logfile_prefix ? ost->logfile_prefix :
1773 DEFAULT_PASS_LOGFILENAME_PREFIX,
1775 if (!strcmp(ost->enc->name, "libx264")) {
1776 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1778 if (codec->flags & CODEC_FLAG_PASS1) {
1779 f = fopen(logfilename, "wb");
1781 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1782 logfilename, strerror(errno));
1788 size_t logbuffer_size;
1789 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1790 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1794 codec->stats_in = logbuffer;
1801 /* open each encoder */
1802 for (i = 0; i < nb_output_streams; i++) {
1803 ost = output_streams[i];
1804 if (ost->encoding_needed) {
1805 AVCodec *codec = ost->enc;
1806 AVCodecContext *dec = NULL;
1808 if ((ist = get_input_stream(ost)))
1809 dec = ist->st->codec;
1810 if (dec && dec->subtitle_header) {
1811 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1812 if (!ost->st->codec->subtitle_header) {
1813 ret = AVERROR(ENOMEM);
1816 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1817 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1819 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1820 av_dict_set(&ost->opts, "threads", "auto", 0);
1821 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
1822 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1823 ost->file_index, ost->index);
1824 ret = AVERROR(EINVAL);
1827 assert_codec_experimental(ost->st->codec, 1);
1828 assert_avoptions(ost->opts);
1829 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1830 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1831 "It takes bits/s as argument, not kbits/s\n");
1832 extra_size += ost->st->codec->extradata_size;
1834 if (ost->st->codec->me_threshold)
1835 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
1839 /* init input streams */
1840 for (i = 0; i < nb_input_streams; i++)
1841 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
1844 /* discard unused programs */
1845 for (i = 0; i < nb_input_files; i++) {
1846 InputFile *ifile = input_files[i];
1847 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1848 AVProgram *p = ifile->ctx->programs[j];
1849 int discard = AVDISCARD_ALL;
1851 for (k = 0; k < p->nb_stream_indexes; k++)
1852 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
1853 discard = AVDISCARD_DEFAULT;
1856 p->discard = discard;
1860 /* open files and write file headers */
1861 for (i = 0; i < nb_output_files; i++) {
1862 oc = output_files[i]->ctx;
1863 oc->interrupt_callback = int_cb;
1864 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1866 const char *errbuf_ptr = errbuf;
1867 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
1868 errbuf_ptr = strerror(AVUNERROR(ret));
1869 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
1870 ret = AVERROR(EINVAL);
1873 assert_avoptions(output_files[i]->opts);
1874 if (strcmp(oc->oformat->name, "rtp")) {
1880 /* dump the file output parameters - cannot be done before in case
1882 for (i = 0; i < nb_output_files; i++) {
1883 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
1886 /* dump the stream mapping */
1887 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
1888 for (i = 0; i < nb_input_streams; i++) {
1889 ist = input_streams[i];
1891 for (j = 0; j < ist->nb_filters; j++) {
1892 if (ist->filters[j]->graph->graph_desc) {
1893 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1894 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
1895 ist->filters[j]->name);
1896 if (nb_filtergraphs > 1)
1897 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1898 av_log(NULL, AV_LOG_INFO, "\n");
1903 for (i = 0; i < nb_output_streams; i++) {
1904 ost = output_streams[i];
1906 if (ost->attachment_filename) {
1907 /* an attached file */
1908 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1909 ost->attachment_filename, ost->file_index, ost->index);
1913 if (ost->filter && ost->filter->graph->graph_desc) {
1914 /* output from a complex graph */
1915 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
1916 if (nb_filtergraphs > 1)
1917 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1919 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1920 ost->index, ost->enc ? ost->enc->name : "?");
1924 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
1925 input_streams[ost->source_index]->file_index,
1926 input_streams[ost->source_index]->st->index,
1929 if (ost->sync_ist != input_streams[ost->source_index])
1930 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
1931 ost->sync_ist->file_index,
1932 ost->sync_ist->st->index);
1933 if (ost->stream_copy)
1934 av_log(NULL, AV_LOG_INFO, " (copy)");
1936 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1937 input_streams[ost->source_index]->dec->name : "?",
1938 ost->enc ? ost->enc->name : "?");
1939 av_log(NULL, AV_LOG_INFO, "\n");
1943 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
1955 * @return 1 if there are still streams where more output is wanted,
1958 static int need_output(void)
1962 for (i = 0; i < nb_output_streams; i++) {
1963 OutputStream *ost = output_streams[i];
1964 OutputFile *of = output_files[ost->file_index];
1965 AVFormatContext *os = output_files[ost->file_index]->ctx;
1967 if (ost->finished ||
1968 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1970 if (ost->frame_number >= ost->max_frames) {
1972 for (j = 0; j < of->ctx->nb_streams; j++)
1973 output_streams[of->ost_index + j]->finished = 1;
1983 static InputFile *select_input_file(void)
1985 InputFile *ifile = NULL;
1986 int64_t ipts_min = INT64_MAX;
1989 for (i = 0; i < nb_input_streams; i++) {
1990 InputStream *ist = input_streams[i];
1991 int64_t ipts = ist->last_dts;
1993 if (ist->discard || input_files[ist->file_index]->eagain)
1995 if (!input_files[ist->file_index]->eof_reached) {
1996 if (ipts < ipts_min) {
1998 ifile = input_files[ist->file_index];
2007 static void *input_thread(void *arg)
2012 while (!transcoding_finished && ret >= 0) {
2014 ret = av_read_frame(f->ctx, &pkt);
2016 if (ret == AVERROR(EAGAIN)) {
2023 pthread_mutex_lock(&f->fifo_lock);
2024 while (!av_fifo_space(f->fifo))
2025 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2027 av_dup_packet(&pkt);
2028 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2030 pthread_mutex_unlock(&f->fifo_lock);
2037 static void free_input_threads(void)
2041 if (nb_input_files == 1)
2044 transcoding_finished = 1;
2046 for (i = 0; i < nb_input_files; i++) {
2047 InputFile *f = input_files[i];
2050 if (!f->fifo || f->joined)
2053 pthread_mutex_lock(&f->fifo_lock);
2054 while (av_fifo_size(f->fifo)) {
2055 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2056 av_free_packet(&pkt);
2058 pthread_cond_signal(&f->fifo_cond);
2059 pthread_mutex_unlock(&f->fifo_lock);
2061 pthread_join(f->thread, NULL);
2064 while (av_fifo_size(f->fifo)) {
2065 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2066 av_free_packet(&pkt);
2068 av_fifo_free(f->fifo);
2072 static int init_input_threads(void)
2076 if (nb_input_files == 1)
2079 for (i = 0; i < nb_input_files; i++) {
2080 InputFile *f = input_files[i];
2082 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2083 return AVERROR(ENOMEM);
2085 pthread_mutex_init(&f->fifo_lock, NULL);
2086 pthread_cond_init (&f->fifo_cond, NULL);
2088 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2089 return AVERROR(ret);
2094 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2098 pthread_mutex_lock(&f->fifo_lock);
2100 if (av_fifo_size(f->fifo)) {
2101 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2102 pthread_cond_signal(&f->fifo_cond);
2107 ret = AVERROR(EAGAIN);
2110 pthread_mutex_unlock(&f->fifo_lock);
2116 static int get_input_packet(InputFile *f, AVPacket *pkt)
2119 if (nb_input_files > 1)
2120 return get_input_packet_mt(f, pkt);
2122 return av_read_frame(f->ctx, pkt);
2125 static int got_eagain(void)
2128 for (i = 0; i < nb_input_files; i++)
2129 if (input_files[i]->eagain)
2134 static void reset_eagain(void)
2137 for (i = 0; i < nb_input_files; i++)
2138 input_files[i]->eagain = 0;
2142 * Read one packet from an input file and send it for
2143 * - decoding -> lavfi (audio/video)
2144 * - decoding -> encoding -> muxing (subtitles)
2145 * - muxing (streamcopy)
2148 * - 0 -- one packet was read and processed
2149 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2150 * this function should be called again
2151 * - AVERROR_EOF -- this function should not be called again
2153 static int process_input(void)
2156 AVFormatContext *is;
2161 /* select the stream that we must read now */
2162 ifile = select_input_file();
2163 /* if none, if is finished */
2168 return AVERROR(EAGAIN);
2170 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2175 ret = get_input_packet(ifile, &pkt);
2177 if (ret == AVERROR(EAGAIN)) {
2182 if (ret != AVERROR_EOF) {
2183 print_error(is->filename, ret);
2187 ifile->eof_reached = 1;
2189 for (i = 0; i < ifile->nb_streams; i++) {
2190 ist = input_streams[ifile->ist_index + i];
2191 if (ist->decoding_needed)
2192 output_packet(ist, NULL);
2194 /* mark all outputs that don't go through lavfi as finished */
2195 for (j = 0; j < nb_output_streams; j++) {
2196 OutputStream *ost = output_streams[j];
2198 if (ost->source_index == ifile->ist_index + i &&
2199 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2204 return AVERROR(EAGAIN);
2210 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2211 is->streams[pkt.stream_index]);
2213 /* the following test is needed in case new streams appear
2214 dynamically in stream : we ignore them */
2215 if (pkt.stream_index >= ifile->nb_streams)
2216 goto discard_packet;
2218 ist = input_streams[ifile->ist_index + pkt.stream_index];
2220 goto discard_packet;
2222 if (pkt.dts != AV_NOPTS_VALUE)
2223 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2224 if (pkt.pts != AV_NOPTS_VALUE)
2225 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2227 if (pkt.pts != AV_NOPTS_VALUE)
2228 pkt.pts *= ist->ts_scale;
2229 if (pkt.dts != AV_NOPTS_VALUE)
2230 pkt.dts *= ist->ts_scale;
2232 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2233 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2234 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2235 int64_t delta = pkt_dts - ist->next_dts;
2237 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2238 ifile->ts_offset -= delta;
2239 av_log(NULL, AV_LOG_DEBUG,
2240 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2241 delta, ifile->ts_offset);
2242 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2243 if (pkt.pts != AV_NOPTS_VALUE)
2244 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2248 ret = output_packet(ist, &pkt);
2250 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2251 ist->file_index, ist->st->index);
2257 av_free_packet(&pkt);
2263 * The following code is the main loop of the file converter
2265 static int transcode(void)
2267 int ret, i, need_input = 1;
2268 AVFormatContext *os;
2271 int64_t timer_start;
2273 ret = transcode_init();
2277 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2280 timer_start = av_gettime();
2283 if ((ret = init_input_threads()) < 0)
2287 while (!received_sigterm) {
2288 /* check if there's any stream where output is still needed */
2289 if (!need_output()) {
2290 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2294 /* read and process one input packet if needed */
2296 ret = process_input();
2297 if (ret == AVERROR_EOF)
2301 ret = poll_filters();
2303 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
2306 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2310 /* dump report by using the output first video and audio streams */
2311 print_report(0, timer_start);
2314 free_input_threads();
2317 /* at the end of stream, we must flush the decoder buffers */
2318 for (i = 0; i < nb_input_streams; i++) {
2319 ist = input_streams[i];
2320 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
2321 output_packet(ist, NULL);
2329 /* write the trailer if needed and close file */
2330 for (i = 0; i < nb_output_files; i++) {
2331 os = output_files[i]->ctx;
2332 av_write_trailer(os);
2335 /* dump report by using the first video and audio streams */
2336 print_report(1, timer_start);
2338 /* close each encoder */
2339 for (i = 0; i < nb_output_streams; i++) {
2340 ost = output_streams[i];
2341 if (ost->encoding_needed) {
2342 av_freep(&ost->st->codec->stats_in);
2343 avcodec_close(ost->st->codec);
2347 /* close each decoder */
2348 for (i = 0; i < nb_input_streams; i++) {
2349 ist = input_streams[i];
2350 if (ist->decoding_needed) {
2351 avcodec_close(ist->st->codec);
2360 free_input_threads();
2363 if (output_streams) {
2364 for (i = 0; i < nb_output_streams; i++) {
2365 ost = output_streams[i];
2367 if (ost->stream_copy)
2368 av_freep(&ost->st->codec->extradata);
2370 fclose(ost->logfile);
2371 ost->logfile = NULL;
2373 av_freep(&ost->st->codec->subtitle_header);
2374 av_free(ost->forced_kf_pts);
2375 av_dict_free(&ost->opts);
2382 static int64_t getutime(void)
2385 struct rusage rusage;
2387 getrusage(RUSAGE_SELF, &rusage);
2388 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2389 #elif HAVE_GETPROCESSTIMES
2391 FILETIME c, e, k, u;
2392 proc = GetCurrentProcess();
2393 GetProcessTimes(proc, &c, &e, &k, &u);
2394 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2396 return av_gettime();
2400 static int64_t getmaxrss(void)
2402 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2403 struct rusage rusage;
2404 getrusage(RUSAGE_SELF, &rusage);
2405 return (int64_t)rusage.ru_maxrss * 1024;
2406 #elif HAVE_GETPROCESSMEMORYINFO
2408 PROCESS_MEMORY_COUNTERS memcounters;
2409 proc = GetCurrentProcess();
2410 memcounters.cb = sizeof(memcounters);
2411 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2412 return memcounters.PeakPagefileUsage;
2418 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
2420 int idx = locate_option(argc, argv, options, "cpuflags");
2421 if (idx && argv[idx + 1])
2422 opt_cpuflags(NULL, "cpuflags", argv[idx + 1]);
2425 int main(int argc, char **argv)
2427 OptionsContext o = { 0 };
2430 atexit(exit_program);
2434 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2435 parse_loglevel(argc, argv, options);
2437 avcodec_register_all();
2439 avdevice_register_all();
2441 avfilter_register_all();
2443 avformat_network_init();
2447 parse_cpuflags(argc, argv, options);
2450 parse_options(&o, argc, argv, options, opt_output_file);
2452 if (nb_output_files <= 0 && nb_input_files == 0) {
2454 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
2458 /* file converter / grab */
2459 if (nb_output_files <= 0) {
2460 fprintf(stderr, "At least one output file must be specified\n");
2465 if (transcode() < 0)
2467 ti = getutime() - ti;
2469 int maxrss = getmaxrss() / 1024;
2470 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);