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
32 #include "libavformat/avformat.h"
33 #include "libavdevice/avdevice.h"
34 #include "libswscale/swscale.h"
35 #include "libavresample/avresample.h"
36 #include "libavutil/opt.h"
37 #include "libavutil/channel_layout.h"
38 #include "libavutil/parseutils.h"
39 #include "libavutil/samplefmt.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavutil/imgutils.h"
48 #include "libavutil/time.h"
49 #include "libavformat/os_support.h"
51 # include "libavfilter/avfilter.h"
52 # include "libavfilter/buffersrc.h"
53 # include "libavfilter/buffersink.h"
55 #if HAVE_SYS_RESOURCE_H
57 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
80 #include "libavutil/avassert.h"
82 const char program_name[] = "avconv";
83 const int program_birth_year = 2000;
85 static FILE *vstats_file;
87 static int64_t video_size = 0;
88 static int64_t audio_size = 0;
89 static int64_t extra_size = 0;
90 static int nb_frames_dup = 0;
91 static int nb_frames_drop = 0;
96 /* signal to input threads that they should exit; set by the main thread */
97 static int transcoding_finished;
100 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
102 InputStream **input_streams = NULL;
103 int nb_input_streams = 0;
104 InputFile **input_files = NULL;
105 int nb_input_files = 0;
107 OutputStream **output_streams = NULL;
108 int nb_output_streams = 0;
109 OutputFile **output_files = NULL;
110 int nb_output_files = 0;
112 FilterGraph **filtergraphs;
115 static void term_exit(void)
117 av_log(NULL, AV_LOG_QUIET, "");
120 static volatile int received_sigterm = 0;
121 static volatile int received_nb_signals = 0;
124 sigterm_handler(int sig)
126 received_sigterm = sig;
127 received_nb_signals++;
131 static void term_init(void)
133 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
134 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
136 signal(SIGXCPU, sigterm_handler);
140 static int decode_interrupt_cb(void *ctx)
142 return received_nb_signals > 1;
145 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
147 static void avconv_cleanup(int ret)
151 for (i = 0; i < nb_filtergraphs; i++) {
152 avfilter_graph_free(&filtergraphs[i]->graph);
153 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
154 av_freep(&filtergraphs[i]->inputs[j]->name);
155 av_freep(&filtergraphs[i]->inputs[j]);
157 av_freep(&filtergraphs[i]->inputs);
158 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
159 av_freep(&filtergraphs[i]->outputs[j]->name);
160 av_freep(&filtergraphs[i]->outputs[j]);
162 av_freep(&filtergraphs[i]->outputs);
163 av_freep(&filtergraphs[i]->graph_desc);
164 av_freep(&filtergraphs[i]);
166 av_freep(&filtergraphs);
169 for (i = 0; i < nb_output_files; i++) {
170 AVFormatContext *s = output_files[i]->ctx;
171 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
173 avformat_free_context(s);
174 av_dict_free(&output_files[i]->opts);
175 av_freep(&output_files[i]);
177 for (i = 0; i < nb_output_streams; i++) {
178 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
180 AVBitStreamFilterContext *next = bsfc->next;
181 av_bitstream_filter_close(bsfc);
184 output_streams[i]->bitstream_filters = NULL;
185 av_frame_free(&output_streams[i]->filtered_frame);
187 av_parser_close(output_streams[i]->parser);
189 av_freep(&output_streams[i]->forced_keyframes);
190 av_freep(&output_streams[i]->avfilter);
191 av_freep(&output_streams[i]->logfile_prefix);
192 av_freep(&output_streams[i]);
194 for (i = 0; i < nb_input_files; i++) {
195 avformat_close_input(&input_files[i]->ctx);
196 av_freep(&input_files[i]);
198 for (i = 0; i < nb_input_streams; i++) {
199 av_frame_free(&input_streams[i]->decoded_frame);
200 av_frame_free(&input_streams[i]->filter_frame);
201 av_dict_free(&input_streams[i]->opts);
202 av_freep(&input_streams[i]->filters);
203 av_freep(&input_streams[i]->hwaccel_device);
204 av_freep(&input_streams[i]);
209 av_free(vstats_filename);
211 av_freep(&input_streams);
212 av_freep(&input_files);
213 av_freep(&output_streams);
214 av_freep(&output_files);
218 avformat_network_deinit();
220 if (received_sigterm) {
221 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
222 (int) received_sigterm);
227 void assert_avoptions(AVDictionary *m)
229 AVDictionaryEntry *t;
230 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
231 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
236 static void abort_codec_experimental(AVCodec *c, int encoder)
238 const char *codec_string = encoder ? "encoder" : "decoder";
240 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
241 "results.\nAdd '-strict experimental' if you want to use it.\n",
242 codec_string, c->name);
243 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
244 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
245 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
246 codec_string, codec->name);
251 * Update the requested input sample format based on the output sample format.
252 * This is currently only used to request float output from decoders which
253 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
254 * Ideally this will be removed in the future when decoders do not do format
255 * conversion and only output in their native format.
257 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
260 /* if sample formats match or a decoder sample format has already been
261 requested, just return */
262 if (enc->sample_fmt == dec->sample_fmt ||
263 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
266 /* if decoder supports more than one output format */
267 if (dec_codec && dec_codec->sample_fmts &&
268 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
269 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
270 const enum AVSampleFormat *p;
271 int min_dec = INT_MAX, min_inc = INT_MAX;
272 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
273 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
275 /* find a matching sample format in the encoder */
276 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
277 if (*p == enc->sample_fmt) {
278 dec->request_sample_fmt = *p;
281 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
282 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
283 int fmt_diff = 32 * abs(dfmt - efmt);
284 if (av_sample_fmt_is_planar(*p) !=
285 av_sample_fmt_is_planar(enc->sample_fmt))
290 } else if (dfmt > efmt) {
291 if (fmt_diff < min_inc) {
296 if (fmt_diff < min_dec) {
304 /* if none match, provide the one that matches quality closest */
305 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
309 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
311 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
312 AVCodecContext *avctx = ost->st->codec;
316 * Audio encoders may split the packets -- #frames in != #packets out.
317 * But there is no reordering, so we can limit the number of output packets
318 * by simply dropping them here.
319 * Counting encoded video frames needs to be done separately because of
320 * reordering, see do_video_out()
322 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
323 if (ost->frame_number >= ost->max_frames) {
331 AVPacket new_pkt = *pkt;
332 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
333 &new_pkt.data, &new_pkt.size,
334 pkt->data, pkt->size,
335 pkt->flags & AV_PKT_FLAG_KEY);
338 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
339 av_buffer_default_free, NULL, 0);
343 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
344 bsfc->filter->name, pkt->stream_index,
345 avctx->codec ? avctx->codec->name : "copy");
355 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
356 ost->last_mux_dts != AV_NOPTS_VALUE &&
357 pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
358 av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
359 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
360 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
362 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
365 av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
366 "in incorrect timestamps in the output file.\n",
367 ost->last_mux_dts + 1);
368 pkt->dts = ost->last_mux_dts + 1;
369 if (pkt->pts != AV_NOPTS_VALUE)
370 pkt->pts = FFMAX(pkt->pts, pkt->dts);
372 ost->last_mux_dts = pkt->dts;
374 pkt->stream_index = ost->index;
375 ret = av_interleaved_write_frame(s, pkt);
377 print_error("av_interleaved_write_frame()", ret);
382 static int check_recording_time(OutputStream *ost)
384 OutputFile *of = output_files[ost->file_index];
386 if (of->recording_time != INT64_MAX &&
387 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
388 AV_TIME_BASE_Q) >= 0) {
395 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
398 AVCodecContext *enc = ost->st->codec;
402 av_init_packet(&pkt);
406 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
407 frame->pts = ost->sync_opts;
408 ost->sync_opts = frame->pts + frame->nb_samples;
410 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
411 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
416 if (pkt.pts != AV_NOPTS_VALUE)
417 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
418 if (pkt.dts != AV_NOPTS_VALUE)
419 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
420 if (pkt.duration > 0)
421 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
423 write_frame(s, &pkt, ost);
425 audio_size += pkt.size;
429 static void do_subtitle_out(AVFormatContext *s,
435 static uint8_t *subtitle_out = NULL;
436 int subtitle_out_max_size = 1024 * 1024;
437 int subtitle_out_size, nb, i;
441 if (pts == AV_NOPTS_VALUE) {
442 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
448 enc = ost->st->codec;
451 subtitle_out = av_malloc(subtitle_out_max_size);
454 /* Note: DVB subtitle need one packet to draw them and one other
455 packet to clear them */
456 /* XXX: signal it in the codec context ? */
457 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
462 for (i = 0; i < nb; i++) {
463 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
464 if (!check_recording_time(ost))
467 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
468 // start_display_time is required to be 0
469 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
470 sub->end_display_time -= sub->start_display_time;
471 sub->start_display_time = 0;
472 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
473 subtitle_out_max_size, sub);
474 if (subtitle_out_size < 0) {
475 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
479 av_init_packet(&pkt);
480 pkt.data = subtitle_out;
481 pkt.size = subtitle_out_size;
482 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
483 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
484 /* XXX: the pts correction is handled here. Maybe handling
485 it in the codec would be better */
487 pkt.pts += 90 * sub->start_display_time;
489 pkt.pts += 90 * sub->end_display_time;
491 write_frame(s, &pkt, ost);
495 static void do_video_out(AVFormatContext *s,
500 int ret, format_video_sync;
502 AVCodecContext *enc = ost->st->codec;
506 format_video_sync = video_sync_method;
507 if (format_video_sync == VSYNC_AUTO)
508 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
509 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
510 if (format_video_sync != VSYNC_PASSTHROUGH &&
512 in_picture->pts != AV_NOPTS_VALUE &&
513 in_picture->pts < ost->sync_opts) {
515 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
519 if (in_picture->pts == AV_NOPTS_VALUE)
520 in_picture->pts = ost->sync_opts;
521 ost->sync_opts = in_picture->pts;
524 if (!ost->frame_number)
525 ost->first_pts = in_picture->pts;
527 av_init_packet(&pkt);
531 if (ost->frame_number >= ost->max_frames)
534 if (s->oformat->flags & AVFMT_RAWPICTURE &&
535 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
536 /* raw pictures are written as AVPicture structure to
537 avoid any copies. We support temporarily the older
539 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
540 enc->coded_frame->top_field_first = in_picture->top_field_first;
541 pkt.data = (uint8_t *)in_picture;
542 pkt.size = sizeof(AVPicture);
543 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
544 pkt.flags |= AV_PKT_FLAG_KEY;
546 write_frame(s, &pkt, ost);
550 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
551 ost->top_field_first >= 0)
552 in_picture->top_field_first = !!ost->top_field_first;
554 in_picture->quality = ost->st->codec->global_quality;
555 if (!enc->me_threshold)
556 in_picture->pict_type = 0;
557 if (ost->forced_kf_index < ost->forced_kf_count &&
558 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
559 in_picture->pict_type = AV_PICTURE_TYPE_I;
560 ost->forced_kf_index++;
562 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
564 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
569 if (pkt.pts != AV_NOPTS_VALUE)
570 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
571 if (pkt.dts != AV_NOPTS_VALUE)
572 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
574 write_frame(s, &pkt, ost);
575 *frame_size = pkt.size;
576 video_size += pkt.size;
578 /* if two pass, output log */
579 if (ost->logfile && enc->stats_out) {
580 fprintf(ost->logfile, "%s", enc->stats_out);
586 * For video, number of frames in == number of packets out.
587 * But there may be reordering, so we can't throw away frames on encoder
588 * flush, we need to limit them here, before they go into encoder.
593 static double psnr(double d)
595 return -10.0 * log(d) / log(10.0);
598 static void do_video_stats(OutputStream *ost, int frame_size)
602 double ti1, bitrate, avg_bitrate;
604 /* this is executed just the first time do_video_stats is called */
606 vstats_file = fopen(vstats_filename, "w");
613 enc = ost->st->codec;
614 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
615 frame_number = ost->frame_number;
616 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
617 if (enc->flags&CODEC_FLAG_PSNR)
618 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
620 fprintf(vstats_file,"f_size= %6d ", frame_size);
621 /* compute pts value */
622 ti1 = ost->sync_opts * av_q2d(enc->time_base);
626 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
627 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
628 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
629 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
630 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
635 * Read one frame for lavfi output for ost and encode it.
637 static int poll_filter(OutputStream *ost)
639 OutputFile *of = output_files[ost->file_index];
640 AVFrame *filtered_frame = NULL;
643 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
644 return AVERROR(ENOMEM);
646 filtered_frame = ost->filtered_frame;
648 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
649 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
650 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
651 ost->st->codec->frame_size);
653 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
658 if (filtered_frame->pts != AV_NOPTS_VALUE) {
659 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
660 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
661 ost->filter->filter->inputs[0]->time_base,
662 ost->st->codec->time_base) -
663 av_rescale_q(start_time,
665 ost->st->codec->time_base);
668 switch (ost->filter->filter->inputs[0]->type) {
669 case AVMEDIA_TYPE_VIDEO:
670 if (!ost->frame_aspect_ratio)
671 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
673 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
674 if (vstats_filename && frame_size)
675 do_video_stats(ost, frame_size);
677 case AVMEDIA_TYPE_AUDIO:
678 do_audio_out(of->ctx, ost, filtered_frame);
681 // TODO support subtitle filters
685 av_frame_unref(filtered_frame);
691 * Read as many frames from possible from lavfi and encode them.
693 * Always read from the active stream with the lowest timestamp. If no frames
694 * are available for it then return EAGAIN and wait for more input. This way we
695 * can use lavfi sources that generate unlimited amount of frames without memory
698 static int poll_filters(void)
702 while (ret >= 0 && !received_sigterm) {
703 OutputStream *ost = NULL;
704 int64_t min_pts = INT64_MAX;
706 /* choose output stream with the lowest timestamp */
707 for (i = 0; i < nb_output_streams; i++) {
708 int64_t pts = output_streams[i]->sync_opts;
710 if (!output_streams[i]->filter || output_streams[i]->finished)
713 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
717 ost = output_streams[i];
724 ret = poll_filter(ost);
726 if (ret == AVERROR_EOF) {
727 OutputFile *of = output_files[ost->file_index];
732 for (j = 0; j < of->ctx->nb_streams; j++)
733 output_streams[of->ost_index + j]->finished = 1;
737 } else if (ret == AVERROR(EAGAIN))
744 static void print_report(int is_last_report, int64_t timer_start)
751 int frame_number, vid, i;
752 double bitrate, ti1, pts;
753 static int64_t last_time = -1;
754 static int qp_histogram[52];
756 if (!print_stats && !is_last_report)
759 if (!is_last_report) {
761 /* display the report every 0.5 seconds */
762 cur_time = av_gettime();
763 if (last_time == -1) {
764 last_time = cur_time;
767 if ((cur_time - last_time) < 500000)
769 last_time = cur_time;
773 oc = output_files[0]->ctx;
775 total_size = avio_size(oc->pb);
776 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
777 total_size = avio_tell(oc->pb);
778 if (total_size < 0) {
780 av_strerror(total_size, errbuf, sizeof(errbuf));
781 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
782 "avio_tell() failed: %s\n", errbuf);
789 for (i = 0; i < nb_output_streams; i++) {
791 ost = output_streams[i];
792 enc = ost->st->codec;
793 if (!ost->stream_copy && enc->coded_frame)
794 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
795 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
796 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
798 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
799 float t = (av_gettime() - timer_start) / 1000000.0;
801 frame_number = ost->frame_number;
802 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
803 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
805 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
809 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
811 for (j = 0; j < 32; j++)
812 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
814 if (enc->flags&CODEC_FLAG_PSNR) {
816 double error, error_sum = 0;
817 double scale, scale_sum = 0;
818 char type[3] = { 'Y','U','V' };
819 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
820 for (j = 0; j < 3; j++) {
821 if (is_last_report) {
822 error = enc->error[j];
823 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
825 error = enc->coded_frame->error[j];
826 scale = enc->width * enc->height * 255.0 * 255.0;
832 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
834 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
838 /* compute min output value */
839 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
840 if ((pts < ti1) && (pts > 0))
846 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
848 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
849 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
850 (double)total_size / 1024, ti1, bitrate);
852 if (nb_frames_dup || nb_frames_drop)
853 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
854 nb_frames_dup, nb_frames_drop);
856 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
860 if (is_last_report) {
861 int64_t raw= audio_size + video_size + extra_size;
862 av_log(NULL, AV_LOG_INFO, "\n");
863 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
867 100.0 * (total_size - raw) / raw
872 static void flush_encoders(void)
876 for (i = 0; i < nb_output_streams; i++) {
877 OutputStream *ost = output_streams[i];
878 AVCodecContext *enc = ost->st->codec;
879 AVFormatContext *os = output_files[ost->file_index]->ctx;
880 int stop_encoding = 0;
882 if (!ost->encoding_needed)
885 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
887 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
891 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
895 switch (ost->st->codec->codec_type) {
896 case AVMEDIA_TYPE_AUDIO:
897 encode = avcodec_encode_audio2;
901 case AVMEDIA_TYPE_VIDEO:
902 encode = avcodec_encode_video2;
913 av_init_packet(&pkt);
917 ret = encode(enc, &pkt, NULL, &got_packet);
919 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
923 if (ost->logfile && enc->stats_out) {
924 fprintf(ost->logfile, "%s", enc->stats_out);
930 if (pkt.pts != AV_NOPTS_VALUE)
931 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
932 if (pkt.dts != AV_NOPTS_VALUE)
933 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
934 if (pkt.duration > 0)
935 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
936 write_frame(os, &pkt, ost);
946 * Check whether a packet from ist should be written into ost at this time
948 static int check_output_constraints(InputStream *ist, OutputStream *ost)
950 OutputFile *of = output_files[ost->file_index];
951 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
953 if (ost->source_index != ist_index)
956 if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
962 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
964 OutputFile *of = output_files[ost->file_index];
965 InputFile *f = input_files [ist->file_index];
966 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
967 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
970 av_init_packet(&opkt);
972 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
973 !ost->copy_initial_nonkeyframes)
976 if (of->recording_time != INT64_MAX &&
977 ist->last_dts >= of->recording_time + start_time) {
982 if (f->recording_time != INT64_MAX) {
983 start_time = f->ctx->start_time;
984 if (f->start_time != AV_NOPTS_VALUE)
985 start_time += f->start_time;
986 if (ist->last_dts >= f->recording_time + start_time) {
992 /* force the input stream PTS */
993 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
994 audio_size += pkt->size;
995 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
996 video_size += pkt->size;
1000 if (pkt->pts != AV_NOPTS_VALUE)
1001 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1003 opkt.pts = AV_NOPTS_VALUE;
1005 if (pkt->dts == AV_NOPTS_VALUE)
1006 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1008 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1009 opkt.dts -= ost_tb_start_time;
1011 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1012 opkt.flags = pkt->flags;
1014 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1015 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1016 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1017 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1018 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1020 if (av_parser_change(ost->parser, ost->st->codec,
1021 &opkt.data, &opkt.size,
1022 pkt->data, pkt->size,
1023 pkt->flags & AV_PKT_FLAG_KEY)) {
1024 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1029 opkt.data = pkt->data;
1030 opkt.size = pkt->size;
1033 write_frame(of->ctx, &opkt, ost);
1034 ost->st->codec->frame_number++;
1037 int guess_input_channel_layout(InputStream *ist)
1039 AVCodecContext *dec = ist->st->codec;
1041 if (!dec->channel_layout) {
1042 char layout_name[256];
1044 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1045 if (!dec->channel_layout)
1047 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1048 dec->channels, dec->channel_layout);
1049 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1050 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1055 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1057 AVFrame *decoded_frame, *f;
1058 AVCodecContext *avctx = ist->st->codec;
1059 int i, ret, err = 0, resample_changed;
1061 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1062 return AVERROR(ENOMEM);
1063 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1064 return AVERROR(ENOMEM);
1065 decoded_frame = ist->decoded_frame;
1067 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1068 if (!*got_output || ret < 0) {
1070 for (i = 0; i < ist->nb_filters; i++)
1071 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1076 /* if the decoder provides a pts, use it instead of the last packet pts.
1077 the decoder could be delaying output by a packet or more. */
1078 if (decoded_frame->pts != AV_NOPTS_VALUE)
1079 ist->next_dts = decoded_frame->pts;
1080 else if (pkt->pts != AV_NOPTS_VALUE) {
1081 decoded_frame->pts = pkt->pts;
1082 pkt->pts = AV_NOPTS_VALUE;
1085 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1086 ist->resample_channels != avctx->channels ||
1087 ist->resample_channel_layout != decoded_frame->channel_layout ||
1088 ist->resample_sample_rate != decoded_frame->sample_rate;
1089 if (resample_changed) {
1090 char layout1[64], layout2[64];
1092 if (!guess_input_channel_layout(ist)) {
1093 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1094 "layout for Input Stream #%d.%d\n", ist->file_index,
1098 decoded_frame->channel_layout = avctx->channel_layout;
1100 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1101 ist->resample_channel_layout);
1102 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1103 decoded_frame->channel_layout);
1105 av_log(NULL, AV_LOG_INFO,
1106 "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",
1107 ist->file_index, ist->st->index,
1108 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1109 ist->resample_channels, layout1,
1110 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1111 avctx->channels, layout2);
1113 ist->resample_sample_fmt = decoded_frame->format;
1114 ist->resample_sample_rate = decoded_frame->sample_rate;
1115 ist->resample_channel_layout = decoded_frame->channel_layout;
1116 ist->resample_channels = avctx->channels;
1118 for (i = 0; i < nb_filtergraphs; i++)
1119 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1120 configure_filtergraph(filtergraphs[i]) < 0) {
1121 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1126 if (decoded_frame->pts != AV_NOPTS_VALUE)
1127 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1129 (AVRational){1, ist->st->codec->sample_rate});
1130 for (i = 0; i < ist->nb_filters; i++) {
1131 if (i < ist->nb_filters - 1) {
1132 f = ist->filter_frame;
1133 err = av_frame_ref(f, decoded_frame);
1139 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1144 av_frame_unref(ist->filter_frame);
1145 av_frame_unref(decoded_frame);
1146 return err < 0 ? err : ret;
1149 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1151 AVFrame *decoded_frame, *f;
1152 int i, ret = 0, err = 0, resample_changed;
1154 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1155 return AVERROR(ENOMEM);
1156 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1157 return AVERROR(ENOMEM);
1158 decoded_frame = ist->decoded_frame;
1160 ret = avcodec_decode_video2(ist->st->codec,
1161 decoded_frame, got_output, pkt);
1162 if (!*got_output || ret < 0) {
1164 for (i = 0; i < ist->nb_filters; i++)
1165 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1170 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1171 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1175 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1177 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1178 decoded_frame->pkt_dts);
1181 if (ist->st->sample_aspect_ratio.num)
1182 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1184 resample_changed = ist->resample_width != decoded_frame->width ||
1185 ist->resample_height != decoded_frame->height ||
1186 ist->resample_pix_fmt != decoded_frame->format;
1187 if (resample_changed) {
1188 av_log(NULL, AV_LOG_INFO,
1189 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1190 ist->file_index, ist->st->index,
1191 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1192 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1194 ret = poll_filters();
1195 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1196 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1198 ist->resample_width = decoded_frame->width;
1199 ist->resample_height = decoded_frame->height;
1200 ist->resample_pix_fmt = decoded_frame->format;
1202 for (i = 0; i < nb_filtergraphs; i++)
1203 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1204 configure_filtergraph(filtergraphs[i]) < 0) {
1205 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1210 for (i = 0; i < ist->nb_filters; i++) {
1211 if (i < ist->nb_filters - 1) {
1212 f = ist->filter_frame;
1213 err = av_frame_ref(f, decoded_frame);
1219 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1225 av_frame_unref(ist->filter_frame);
1226 av_frame_unref(decoded_frame);
1227 return err < 0 ? err : ret;
1230 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1232 AVSubtitle subtitle;
1233 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1234 &subtitle, got_output, pkt);
1240 for (i = 0; i < nb_output_streams; i++) {
1241 OutputStream *ost = output_streams[i];
1243 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1246 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
1249 avsubtitle_free(&subtitle);
1253 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1254 static int output_packet(InputStream *ist, const AVPacket *pkt)
1260 if (ist->next_dts == AV_NOPTS_VALUE)
1261 ist->next_dts = ist->last_dts;
1265 av_init_packet(&avpkt);
1273 if (pkt->dts != AV_NOPTS_VALUE)
1274 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1276 // while we have more to decode or while the decoder did output something on EOF
1277 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1281 ist->last_dts = ist->next_dts;
1283 if (avpkt.size && avpkt.size != pkt->size) {
1284 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1285 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1286 ist->showed_multi_packet_warning = 1;
1289 switch (ist->st->codec->codec_type) {
1290 case AVMEDIA_TYPE_AUDIO:
1291 ret = decode_audio (ist, &avpkt, &got_output);
1293 case AVMEDIA_TYPE_VIDEO:
1294 ret = decode_video (ist, &avpkt, &got_output);
1296 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1297 else if (ist->st->avg_frame_rate.num)
1298 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
1300 else if (ist->st->codec->time_base.num != 0) {
1301 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1302 ist->st->codec->ticks_per_frame;
1303 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1306 case AVMEDIA_TYPE_SUBTITLE:
1307 ret = transcode_subtitles(ist, &avpkt, &got_output);
1315 // touch data and size only if not EOF
1325 /* handle stream copy */
1326 if (!ist->decoding_needed) {
1327 ist->last_dts = ist->next_dts;
1328 switch (ist->st->codec->codec_type) {
1329 case AVMEDIA_TYPE_AUDIO:
1330 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1331 ist->st->codec->sample_rate;
1333 case AVMEDIA_TYPE_VIDEO:
1334 if (ist->st->codec->time_base.num != 0) {
1335 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1336 ist->next_dts += ((int64_t)AV_TIME_BASE *
1337 ist->st->codec->time_base.num * ticks) /
1338 ist->st->codec->time_base.den;
1343 for (i = 0; pkt && i < nb_output_streams; i++) {
1344 OutputStream *ost = output_streams[i];
1346 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1349 do_streamcopy(ist, ost, pkt);
1355 static void print_sdp(void)
1359 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1363 for (i = 0; i < nb_output_files; i++)
1364 avc[i] = output_files[i]->ctx;
1366 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1367 printf("SDP:\n%s\n", sdp);
1372 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1375 for (i = 0; hwaccels[i].name; i++)
1376 if (hwaccels[i].pix_fmt == pix_fmt)
1377 return &hwaccels[i];
1381 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1383 InputStream *ist = s->opaque;
1384 const enum AVPixelFormat *p;
1387 for (p = pix_fmts; *p != -1; p++) {
1388 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1389 const HWAccel *hwaccel;
1391 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1394 hwaccel = get_hwaccel(*p);
1396 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1397 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1400 ret = hwaccel->init(s);
1402 if (ist->hwaccel_id == hwaccel->id) {
1403 av_log(NULL, AV_LOG_FATAL,
1404 "%s hwaccel requested for input stream #%d:%d, "
1405 "but cannot be initialized.\n", hwaccel->name,
1406 ist->file_index, ist->st->index);
1411 ist->active_hwaccel_id = hwaccel->id;
1412 ist->hwaccel_pix_fmt = *p;
1419 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1421 InputStream *ist = s->opaque;
1423 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1424 return ist->hwaccel_get_buffer(s, frame, flags);
1426 return avcodec_default_get_buffer2(s, frame, flags);
1429 static int init_input_stream(int ist_index, char *error, int error_len)
1432 InputStream *ist = input_streams[ist_index];
1433 if (ist->decoding_needed) {
1434 AVCodec *codec = ist->dec;
1436 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
1437 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1438 return AVERROR(EINVAL);
1441 /* update requested sample format for the decoder based on the
1442 corresponding encoder sample format */
1443 for (i = 0; i < nb_output_streams; i++) {
1444 OutputStream *ost = output_streams[i];
1445 if (ost->source_index == ist_index) {
1446 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1451 ist->st->codec->opaque = ist;
1452 ist->st->codec->get_format = get_format;
1453 ist->st->codec->get_buffer2 = get_buffer;
1454 ist->st->codec->thread_safe_callbacks = 1;
1456 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
1458 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1459 av_dict_set(&ist->opts, "threads", "auto", 0);
1460 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1462 if (ret == AVERROR_EXPERIMENTAL)
1463 abort_codec_experimental(codec, 0);
1465 av_strerror(ret, errbuf, sizeof(errbuf));
1467 snprintf(error, error_len,
1468 "Error while opening decoder for input stream "
1470 ist->file_index, ist->st->index, errbuf);
1473 assert_avoptions(ist->opts);
1476 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;
1477 ist->next_dts = AV_NOPTS_VALUE;
1478 init_pts_correction(&ist->pts_ctx);
1484 static InputStream *get_input_stream(OutputStream *ost)
1486 if (ost->source_index >= 0)
1487 return input_streams[ost->source_index];
1490 FilterGraph *fg = ost->filter->graph;
1493 for (i = 0; i < fg->nb_inputs; i++)
1494 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1495 return fg->inputs[i]->ist;
1501 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1502 AVCodecContext *avctx)
1508 for (p = kf; *p; p++)
1511 ost->forced_kf_count = n;
1512 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1513 if (!ost->forced_kf_pts) {
1514 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1519 for (i = 0; i < n; i++) {
1520 char *next = strchr(p, ',');
1525 t = parse_time_or_die("force_key_frames", p, 1);
1526 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1532 static int transcode_init(void)
1534 int ret = 0, i, j, k;
1535 AVFormatContext *oc;
1536 AVCodecContext *codec;
1542 /* init framerate emulation */
1543 for (i = 0; i < nb_input_files; i++) {
1544 InputFile *ifile = input_files[i];
1545 if (ifile->rate_emu)
1546 for (j = 0; j < ifile->nb_streams; j++)
1547 input_streams[j + ifile->ist_index]->start = av_gettime();
1550 /* output stream init */
1551 for (i = 0; i < nb_output_files; i++) {
1552 oc = output_files[i]->ctx;
1553 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1554 av_dump_format(oc, i, oc->filename, 1);
1555 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1556 return AVERROR(EINVAL);
1560 /* init complex filtergraphs */
1561 for (i = 0; i < nb_filtergraphs; i++)
1562 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1565 /* for each output stream, we compute the right encoding parameters */
1566 for (i = 0; i < nb_output_streams; i++) {
1567 AVCodecContext *icodec = NULL;
1568 ost = output_streams[i];
1569 oc = output_files[ost->file_index]->ctx;
1570 ist = get_input_stream(ost);
1572 if (ost->attachment_filename)
1575 codec = ost->st->codec;
1578 icodec = ist->st->codec;
1580 ost->st->disposition = ist->st->disposition;
1581 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1582 codec->chroma_sample_location = icodec->chroma_sample_location;
1585 if (ost->stream_copy) {
1587 uint64_t extra_size;
1589 av_assert0(ist && !ost->filter);
1591 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1593 if (extra_size > INT_MAX) {
1594 return AVERROR(EINVAL);
1597 /* if stream_copy is selected, no need to decode or encode */
1598 codec->codec_id = icodec->codec_id;
1599 codec->codec_type = icodec->codec_type;
1601 if (!codec->codec_tag) {
1602 if (!oc->oformat->codec_tag ||
1603 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1604 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
1605 codec->codec_tag = icodec->codec_tag;
1608 codec->bit_rate = icodec->bit_rate;
1609 codec->rc_max_rate = icodec->rc_max_rate;
1610 codec->rc_buffer_size = icodec->rc_buffer_size;
1611 codec->field_order = icodec->field_order;
1612 codec->extradata = av_mallocz(extra_size);
1613 if (!codec->extradata) {
1614 return AVERROR(ENOMEM);
1616 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1617 codec->extradata_size = icodec->extradata_size;
1619 codec->time_base = icodec->time_base;
1620 codec->time_base.num *= icodec->ticks_per_frame;
1621 av_reduce(&codec->time_base.num, &codec->time_base.den,
1622 codec->time_base.num, codec->time_base.den, INT_MAX);
1624 codec->time_base = ist->st->time_base;
1626 ost->parser = av_parser_init(codec->codec_id);
1628 switch (codec->codec_type) {
1629 case AVMEDIA_TYPE_AUDIO:
1630 if (audio_volume != 256) {
1631 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
1634 codec->channel_layout = icodec->channel_layout;
1635 codec->sample_rate = icodec->sample_rate;
1636 codec->channels = icodec->channels;
1637 codec->frame_size = icodec->frame_size;
1638 codec->audio_service_type = icodec->audio_service_type;
1639 codec->block_align = icodec->block_align;
1641 case AVMEDIA_TYPE_VIDEO:
1642 codec->pix_fmt = icodec->pix_fmt;
1643 codec->width = icodec->width;
1644 codec->height = icodec->height;
1645 codec->has_b_frames = icodec->has_b_frames;
1646 if (ost->frame_aspect_ratio)
1647 sar = av_d2q(ost->frame_aspect_ratio * codec->height / codec->width, 255);
1648 else if (ist->st->sample_aspect_ratio.num)
1649 sar = ist->st->sample_aspect_ratio;
1651 sar = icodec->sample_aspect_ratio;
1652 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
1654 case AVMEDIA_TYPE_SUBTITLE:
1655 codec->width = icodec->width;
1656 codec->height = icodec->height;
1658 case AVMEDIA_TYPE_DATA:
1659 case AVMEDIA_TYPE_ATTACHMENT:
1666 /* should only happen when a default codec is not present. */
1667 snprintf(error, sizeof(error), "Automatic encoder selection "
1668 "failed for output stream #%d:%d. Default encoder for "
1669 "format %s is probably disabled. Please choose an "
1670 "encoder manually.\n", ost->file_index, ost->index,
1672 ret = AVERROR(EINVAL);
1677 ist->decoding_needed = 1;
1678 ost->encoding_needed = 1;
1681 * We want CFR output if and only if one of those is true:
1682 * 1) user specified output framerate with -r
1683 * 2) user specified -vsync cfr
1684 * 3) output format is CFR and the user didn't force vsync to
1685 * something else than CFR
1687 * in such a case, set ost->frame_rate
1689 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1690 !ost->frame_rate.num && ist &&
1691 (video_sync_method == VSYNC_CFR ||
1692 (video_sync_method == VSYNC_AUTO &&
1693 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
1694 if (ist->framerate.num)
1695 ost->frame_rate = ist->framerate;
1696 else if (ist->st->avg_frame_rate.num)
1697 ost->frame_rate = ist->st->avg_frame_rate;
1699 av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
1700 "for the output stream #%d:%d, but no information "
1701 "about the input framerate is available. Falling "
1702 "back to a default value of 25fps. Use the -r option "
1703 "if you want a different framerate.\n",
1704 ost->file_index, ost->index);
1705 ost->frame_rate = (AVRational){ 25, 1 };
1708 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1709 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1710 ost->frame_rate = ost->enc->supported_framerates[idx];
1715 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1716 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
1718 fg = init_simple_filtergraph(ist, ost);
1719 if (configure_filtergraph(fg)) {
1720 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1725 switch (codec->codec_type) {
1726 case AVMEDIA_TYPE_AUDIO:
1727 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1728 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1729 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1730 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1731 codec->time_base = (AVRational){ 1, codec->sample_rate };
1733 case AVMEDIA_TYPE_VIDEO:
1734 codec->time_base = ost->filter->filter->inputs[0]->time_base;
1736 codec->width = ost->filter->filter->inputs[0]->w;
1737 codec->height = ost->filter->filter->inputs[0]->h;
1738 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1739 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1740 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1741 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1742 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
1745 (codec->width != icodec->width ||
1746 codec->height != icodec->height ||
1747 codec->pix_fmt != icodec->pix_fmt)) {
1748 codec->bits_per_raw_sample = 0;
1751 if (ost->forced_keyframes)
1752 parse_forced_key_frames(ost->forced_keyframes, ost,
1755 case AVMEDIA_TYPE_SUBTITLE:
1756 codec->time_base = (AVRational){1, 1000};
1763 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1764 char logfilename[1024];
1767 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1768 ost->logfile_prefix ? ost->logfile_prefix :
1769 DEFAULT_PASS_LOGFILENAME_PREFIX,
1771 if (!strcmp(ost->enc->name, "libx264")) {
1772 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1774 if (codec->flags & CODEC_FLAG_PASS1) {
1775 f = fopen(logfilename, "wb");
1777 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1778 logfilename, strerror(errno));
1784 size_t logbuffer_size;
1785 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1786 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1790 codec->stats_in = logbuffer;
1797 /* open each encoder */
1798 for (i = 0; i < nb_output_streams; i++) {
1799 ost = output_streams[i];
1800 if (ost->encoding_needed) {
1801 AVCodec *codec = ost->enc;
1802 AVCodecContext *dec = NULL;
1804 if ((ist = get_input_stream(ost)))
1805 dec = ist->st->codec;
1806 if (dec && dec->subtitle_header) {
1807 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1808 if (!ost->st->codec->subtitle_header) {
1809 ret = AVERROR(ENOMEM);
1812 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1813 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1815 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1816 av_dict_set(&ost->opts, "threads", "auto", 0);
1817 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
1818 if (ret == AVERROR_EXPERIMENTAL)
1819 abort_codec_experimental(codec, 1);
1820 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1821 ost->file_index, ost->index);
1824 assert_avoptions(ost->opts);
1825 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1826 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1827 "It takes bits/s as argument, not kbits/s\n");
1828 extra_size += ost->st->codec->extradata_size;
1830 av_opt_set_dict(ost->st->codec, &ost->opts);
1834 /* init input streams */
1835 for (i = 0; i < nb_input_streams; i++)
1836 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
1839 /* discard unused programs */
1840 for (i = 0; i < nb_input_files; i++) {
1841 InputFile *ifile = input_files[i];
1842 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1843 AVProgram *p = ifile->ctx->programs[j];
1844 int discard = AVDISCARD_ALL;
1846 for (k = 0; k < p->nb_stream_indexes; k++)
1847 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
1848 discard = AVDISCARD_DEFAULT;
1851 p->discard = discard;
1855 /* open files and write file headers */
1856 for (i = 0; i < nb_output_files; i++) {
1857 oc = output_files[i]->ctx;
1858 oc->interrupt_callback = int_cb;
1859 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1861 av_strerror(ret, errbuf, sizeof(errbuf));
1862 snprintf(error, sizeof(error),
1863 "Could not write header for output file #%d "
1864 "(incorrect codec parameters ?): %s",
1866 ret = AVERROR(EINVAL);
1869 assert_avoptions(output_files[i]->opts);
1870 if (strcmp(oc->oformat->name, "rtp")) {
1876 /* dump the file output parameters - cannot be done before in case
1878 for (i = 0; i < nb_output_files; i++) {
1879 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
1882 /* dump the stream mapping */
1883 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
1884 for (i = 0; i < nb_input_streams; i++) {
1885 ist = input_streams[i];
1887 for (j = 0; j < ist->nb_filters; j++) {
1888 if (ist->filters[j]->graph->graph_desc) {
1889 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1890 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
1891 ist->filters[j]->name);
1892 if (nb_filtergraphs > 1)
1893 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1894 av_log(NULL, AV_LOG_INFO, "\n");
1899 for (i = 0; i < nb_output_streams; i++) {
1900 ost = output_streams[i];
1902 if (ost->attachment_filename) {
1903 /* an attached file */
1904 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1905 ost->attachment_filename, ost->file_index, ost->index);
1909 if (ost->filter && ost->filter->graph->graph_desc) {
1910 /* output from a complex graph */
1911 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
1912 if (nb_filtergraphs > 1)
1913 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1915 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1916 ost->index, ost->enc ? ost->enc->name : "?");
1920 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
1921 input_streams[ost->source_index]->file_index,
1922 input_streams[ost->source_index]->st->index,
1925 if (ost->sync_ist != input_streams[ost->source_index])
1926 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
1927 ost->sync_ist->file_index,
1928 ost->sync_ist->st->index);
1929 if (ost->stream_copy)
1930 av_log(NULL, AV_LOG_INFO, " (copy)");
1932 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1933 input_streams[ost->source_index]->dec->name : "?",
1934 ost->enc ? ost->enc->name : "?");
1935 av_log(NULL, AV_LOG_INFO, "\n");
1939 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
1950 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
1951 static int need_output(void)
1955 for (i = 0; i < nb_output_streams; i++) {
1956 OutputStream *ost = output_streams[i];
1957 OutputFile *of = output_files[ost->file_index];
1958 AVFormatContext *os = output_files[ost->file_index]->ctx;
1960 if (ost->finished ||
1961 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1963 if (ost->frame_number >= ost->max_frames) {
1965 for (j = 0; j < of->ctx->nb_streams; j++)
1966 output_streams[of->ost_index + j]->finished = 1;
1976 static InputFile *select_input_file(void)
1978 InputFile *ifile = NULL;
1979 int64_t ipts_min = INT64_MAX;
1982 for (i = 0; i < nb_input_streams; i++) {
1983 InputStream *ist = input_streams[i];
1984 int64_t ipts = ist->last_dts;
1986 if (ist->discard || input_files[ist->file_index]->eagain)
1988 if (!input_files[ist->file_index]->eof_reached) {
1989 if (ipts < ipts_min) {
1991 ifile = input_files[ist->file_index];
2000 static void *input_thread(void *arg)
2005 while (!transcoding_finished && ret >= 0) {
2007 ret = av_read_frame(f->ctx, &pkt);
2009 if (ret == AVERROR(EAGAIN)) {
2016 pthread_mutex_lock(&f->fifo_lock);
2017 while (!av_fifo_space(f->fifo))
2018 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2020 av_dup_packet(&pkt);
2021 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2023 pthread_mutex_unlock(&f->fifo_lock);
2030 static void free_input_threads(void)
2034 if (nb_input_files == 1)
2037 transcoding_finished = 1;
2039 for (i = 0; i < nb_input_files; i++) {
2040 InputFile *f = input_files[i];
2043 if (!f->fifo || f->joined)
2046 pthread_mutex_lock(&f->fifo_lock);
2047 while (av_fifo_size(f->fifo)) {
2048 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2049 av_free_packet(&pkt);
2051 pthread_cond_signal(&f->fifo_cond);
2052 pthread_mutex_unlock(&f->fifo_lock);
2054 pthread_join(f->thread, NULL);
2057 while (av_fifo_size(f->fifo)) {
2058 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2059 av_free_packet(&pkt);
2061 av_fifo_free(f->fifo);
2065 static int init_input_threads(void)
2069 if (nb_input_files == 1)
2072 for (i = 0; i < nb_input_files; i++) {
2073 InputFile *f = input_files[i];
2075 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2076 return AVERROR(ENOMEM);
2078 pthread_mutex_init(&f->fifo_lock, NULL);
2079 pthread_cond_init (&f->fifo_cond, NULL);
2081 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2082 return AVERROR(ret);
2087 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2091 pthread_mutex_lock(&f->fifo_lock);
2093 if (av_fifo_size(f->fifo)) {
2094 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2095 pthread_cond_signal(&f->fifo_cond);
2100 ret = AVERROR(EAGAIN);
2103 pthread_mutex_unlock(&f->fifo_lock);
2109 static int get_input_packet(InputFile *f, AVPacket *pkt)
2113 for (i = 0; i < f->nb_streams; i++) {
2114 InputStream *ist = input_streams[f->ist_index + i];
2115 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2116 int64_t now = av_gettime() - ist->start;
2118 return AVERROR(EAGAIN);
2123 if (nb_input_files > 1)
2124 return get_input_packet_mt(f, pkt);
2126 return av_read_frame(f->ctx, pkt);
2129 static int got_eagain(void)
2132 for (i = 0; i < nb_input_files; i++)
2133 if (input_files[i]->eagain)
2138 static void reset_eagain(void)
2141 for (i = 0; i < nb_input_files; i++)
2142 input_files[i]->eagain = 0;
2146 * Read one packet from an input file and send it for
2147 * - decoding -> lavfi (audio/video)
2148 * - decoding -> encoding -> muxing (subtitles)
2149 * - muxing (streamcopy)
2152 * - 0 -- one packet was read and processed
2153 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2154 * this function should be called again
2155 * - AVERROR_EOF -- this function should not be called again
2157 static int process_input(void)
2160 AVFormatContext *is;
2165 /* select the stream that we must read now */
2166 ifile = select_input_file();
2167 /* if none, if is finished */
2172 return AVERROR(EAGAIN);
2174 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2179 ret = get_input_packet(ifile, &pkt);
2181 if (ret == AVERROR(EAGAIN)) {
2186 if (ret != AVERROR_EOF) {
2187 print_error(is->filename, ret);
2191 ifile->eof_reached = 1;
2193 for (i = 0; i < ifile->nb_streams; i++) {
2194 ist = input_streams[ifile->ist_index + i];
2195 if (ist->decoding_needed)
2196 output_packet(ist, NULL);
2198 /* mark all outputs that don't go through lavfi as finished */
2199 for (j = 0; j < nb_output_streams; j++) {
2200 OutputStream *ost = output_streams[j];
2202 if (ost->source_index == ifile->ist_index + i &&
2203 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2208 return AVERROR(EAGAIN);
2214 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2215 is->streams[pkt.stream_index]);
2217 /* the following test is needed in case new streams appear
2218 dynamically in stream : we ignore them */
2219 if (pkt.stream_index >= ifile->nb_streams)
2220 goto discard_packet;
2222 ist = input_streams[ifile->ist_index + pkt.stream_index];
2224 goto discard_packet;
2226 if (pkt.dts != AV_NOPTS_VALUE)
2227 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2228 if (pkt.pts != AV_NOPTS_VALUE)
2229 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2231 if (pkt.pts != AV_NOPTS_VALUE)
2232 pkt.pts *= ist->ts_scale;
2233 if (pkt.dts != AV_NOPTS_VALUE)
2234 pkt.dts *= ist->ts_scale;
2236 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2237 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2238 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2239 int64_t delta = pkt_dts - ist->next_dts;
2241 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2242 ifile->ts_offset -= delta;
2243 av_log(NULL, AV_LOG_DEBUG,
2244 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2245 delta, ifile->ts_offset);
2246 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2247 if (pkt.pts != AV_NOPTS_VALUE)
2248 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2252 ret = output_packet(ist, &pkt);
2254 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2255 ist->file_index, ist->st->index);
2261 av_free_packet(&pkt);
2267 * The following code is the main loop of the file converter
2269 static int transcode(void)
2271 int ret, i, need_input = 1;
2272 AVFormatContext *os;
2275 int64_t timer_start;
2277 ret = transcode_init();
2281 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2284 timer_start = av_gettime();
2287 if ((ret = init_input_threads()) < 0)
2291 while (!received_sigterm) {
2292 /* check if there's any stream where output is still needed */
2293 if (!need_output()) {
2294 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2298 /* read and process one input packet if needed */
2300 ret = process_input();
2301 if (ret == AVERROR_EOF)
2305 ret = poll_filters();
2307 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
2310 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2314 /* dump report by using the output first video and audio streams */
2315 print_report(0, timer_start);
2318 free_input_threads();
2321 /* at the end of stream, we must flush the decoder buffers */
2322 for (i = 0; i < nb_input_streams; i++) {
2323 ist = input_streams[i];
2324 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
2325 output_packet(ist, NULL);
2333 /* write the trailer if needed and close file */
2334 for (i = 0; i < nb_output_files; i++) {
2335 os = output_files[i]->ctx;
2336 av_write_trailer(os);
2339 /* dump report by using the first video and audio streams */
2340 print_report(1, timer_start);
2342 /* close each encoder */
2343 for (i = 0; i < nb_output_streams; i++) {
2344 ost = output_streams[i];
2345 if (ost->encoding_needed) {
2346 av_freep(&ost->st->codec->stats_in);
2347 avcodec_close(ost->st->codec);
2351 /* close each decoder */
2352 for (i = 0; i < nb_input_streams; i++) {
2353 ist = input_streams[i];
2354 if (ist->decoding_needed) {
2355 avcodec_close(ist->st->codec);
2356 if (ist->hwaccel_uninit)
2357 ist->hwaccel_uninit(ist->st->codec);
2366 free_input_threads();
2369 if (output_streams) {
2370 for (i = 0; i < nb_output_streams; i++) {
2371 ost = output_streams[i];
2373 if (ost->stream_copy)
2374 av_freep(&ost->st->codec->extradata);
2376 fclose(ost->logfile);
2377 ost->logfile = NULL;
2379 av_freep(&ost->st->codec->subtitle_header);
2380 av_free(ost->forced_kf_pts);
2381 av_dict_free(&ost->opts);
2382 av_dict_free(&ost->resample_opts);
2389 static int64_t getutime(void)
2392 struct rusage rusage;
2394 getrusage(RUSAGE_SELF, &rusage);
2395 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2396 #elif HAVE_GETPROCESSTIMES
2398 FILETIME c, e, k, u;
2399 proc = GetCurrentProcess();
2400 GetProcessTimes(proc, &c, &e, &k, &u);
2401 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2403 return av_gettime();
2407 static int64_t getmaxrss(void)
2409 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2410 struct rusage rusage;
2411 getrusage(RUSAGE_SELF, &rusage);
2412 return (int64_t)rusage.ru_maxrss * 1024;
2413 #elif HAVE_GETPROCESSMEMORYINFO
2415 PROCESS_MEMORY_COUNTERS memcounters;
2416 proc = GetCurrentProcess();
2417 memcounters.cb = sizeof(memcounters);
2418 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2419 return memcounters.PeakPagefileUsage;
2425 int main(int argc, char **argv)
2430 register_exit(avconv_cleanup);
2432 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2433 parse_loglevel(argc, argv, options);
2435 avcodec_register_all();
2437 avdevice_register_all();
2439 avfilter_register_all();
2441 avformat_network_init();
2445 /* parse options and open all input/output files */
2446 ret = avconv_parse_options(argc, argv);
2450 if (nb_output_files <= 0 && nb_input_files == 0) {
2452 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
2456 /* file converter / grab */
2457 if (nb_output_files <= 0) {
2458 fprintf(stderr, "At least one output file must be specified\n");
2463 if (transcode() < 0)
2465 ti = getutime() - ti;
2467 int maxrss = getmaxrss() / 1024;
2468 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);