2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
33 #include <stdatomic.h>
43 #include "libavformat/avformat.h"
44 #include "libavdevice/avdevice.h"
45 #include "libswresample/swresample.h"
46 #include "libavutil/opt.h"
47 #include "libavutil/channel_layout.h"
48 #include "libavutil/parseutils.h"
49 #include "libavutil/samplefmt.h"
50 #include "libavutil/fifo.h"
51 #include "libavutil/hwcontext.h"
52 #include "libavutil/internal.h"
53 #include "libavutil/intreadwrite.h"
54 #include "libavutil/dict.h"
55 #include "libavutil/display.h"
56 #include "libavutil/mathematics.h"
57 #include "libavutil/pixdesc.h"
58 #include "libavutil/avstring.h"
59 #include "libavutil/libm.h"
60 #include "libavutil/imgutils.h"
61 #include "libavutil/timestamp.h"
62 #include "libavutil/bprint.h"
63 #include "libavutil/time.h"
64 #include "libavutil/thread.h"
65 #include "libavutil/threadmessage.h"
66 #include "libavcodec/mathops.h"
67 #include "libavformat/os_support.h"
69 # include "libavfilter/avfilter.h"
70 # include "libavfilter/buffersrc.h"
71 # include "libavfilter/buffersink.h"
73 #if HAVE_SYS_RESOURCE_H
75 #include <sys/types.h>
76 #include <sys/resource.h>
77 #elif HAVE_GETPROCESSTIMES
80 #if HAVE_GETPROCESSMEMORYINFO
84 #if HAVE_SETCONSOLECTRLHANDLER
90 #include <sys/select.h>
95 #include <sys/ioctl.h>
105 #include "cmdutils.h"
107 #include "libavutil/avassert.h"
109 const char program_name[] = "ffmpeg";
110 const int program_birth_year = 2000;
112 static FILE *vstats_file;
114 const char *const forced_keyframes_const_names[] = {
123 typedef struct BenchmarkTimeStamps {
127 } BenchmarkTimeStamps;
129 static void do_video_stats(OutputStream *ost, int frame_size);
130 static BenchmarkTimeStamps get_benchmark_time_stamps(void);
131 static int64_t getmaxrss(void);
132 static int ifilter_has_all_input_formats(FilterGraph *fg);
134 static int run_as_daemon = 0;
135 static int nb_frames_dup = 0;
136 static unsigned dup_warning = 1000;
137 static int nb_frames_drop = 0;
138 static int64_t decode_error_stat[2];
140 static int want_sdp = 1;
142 static BenchmarkTimeStamps current_time;
143 AVIOContext *progress_avio = NULL;
145 static uint8_t *subtitle_out;
147 InputStream **input_streams = NULL;
148 int nb_input_streams = 0;
149 InputFile **input_files = NULL;
150 int nb_input_files = 0;
152 OutputStream **output_streams = NULL;
153 int nb_output_streams = 0;
154 OutputFile **output_files = NULL;
155 int nb_output_files = 0;
157 FilterGraph **filtergraphs;
162 /* init terminal so that we can grab keys */
163 static struct termios oldtty;
164 static int restore_tty;
168 static void free_input_threads(void);
172 Convert subtitles to video with alpha to insert them in filter graphs.
173 This is a temporary solution until libavfilter gets real subtitles support.
176 static int sub2video_get_blank_frame(InputStream *ist)
179 AVFrame *frame = ist->sub2video.frame;
181 av_frame_unref(frame);
182 ist->sub2video.frame->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
183 ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
184 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
185 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
187 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
191 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
194 uint32_t *pal, *dst2;
198 if (r->type != SUBTITLE_BITMAP) {
199 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
202 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
203 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle (%d %d %d %d) overflowing %d %d\n",
204 r->x, r->y, r->w, r->h, w, h
209 dst += r->y * dst_linesize + r->x * 4;
211 pal = (uint32_t *)r->data[1];
212 for (y = 0; y < r->h; y++) {
213 dst2 = (uint32_t *)dst;
215 for (x = 0; x < r->w; x++)
216 *(dst2++) = pal[*(src2++)];
218 src += r->linesize[0];
222 static void sub2video_push_ref(InputStream *ist, int64_t pts)
224 AVFrame *frame = ist->sub2video.frame;
228 av_assert1(frame->data[0]);
229 ist->sub2video.last_pts = frame->pts = pts;
230 for (i = 0; i < ist->nb_filters; i++) {
231 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
232 AV_BUFFERSRC_FLAG_KEEP_REF |
233 AV_BUFFERSRC_FLAG_PUSH);
234 if (ret != AVERROR_EOF && ret < 0)
235 av_log(NULL, AV_LOG_WARNING, "Error while add the frame to buffer source(%s).\n",
240 void sub2video_update(InputStream *ist, int64_t heartbeat_pts, AVSubtitle *sub)
242 AVFrame *frame = ist->sub2video.frame;
246 int64_t pts, end_pts;
251 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
252 AV_TIME_BASE_Q, ist->st->time_base);
253 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
254 AV_TIME_BASE_Q, ist->st->time_base);
255 num_rects = sub->num_rects;
257 /* If we are initializing the system, utilize current heartbeat
258 PTS as the start time, and show until the following subpicture
259 is received. Otherwise, utilize the previous subpicture's end time
260 as the fall-back value. */
261 pts = ist->sub2video.initialize ?
262 heartbeat_pts : ist->sub2video.end_pts;
266 if (sub2video_get_blank_frame(ist) < 0) {
267 av_log(ist->dec_ctx, AV_LOG_ERROR,
268 "Impossible to get a blank canvas.\n");
271 dst = frame->data [0];
272 dst_linesize = frame->linesize[0];
273 for (i = 0; i < num_rects; i++)
274 sub2video_copy_rect(dst, dst_linesize, frame->width, frame->height, sub->rects[i]);
275 sub2video_push_ref(ist, pts);
276 ist->sub2video.end_pts = end_pts;
277 ist->sub2video.initialize = 0;
280 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
282 InputFile *infile = input_files[ist->file_index];
286 /* When a frame is read from a file, examine all sub2video streams in
287 the same file and send the sub2video frame again. Otherwise, decoded
288 video frames could be accumulating in the filter graph while a filter
289 (possibly overlay) is desperately waiting for a subtitle frame. */
290 for (i = 0; i < infile->nb_streams; i++) {
291 InputStream *ist2 = input_streams[infile->ist_index + i];
292 if (!ist2->sub2video.frame)
294 /* subtitles seem to be usually muxed ahead of other streams;
295 if not, subtracting a larger time here is necessary */
296 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
297 /* do not send the heartbeat frame if the subtitle is already ahead */
298 if (pts2 <= ist2->sub2video.last_pts)
300 if (pts2 >= ist2->sub2video.end_pts || ist2->sub2video.initialize)
301 /* if we have hit the end of the current displayed subpicture,
302 or if we need to initialize the system, update the
303 overlayed subpicture and its start/end times */
304 sub2video_update(ist2, pts2 + 1, NULL);
305 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
306 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
308 sub2video_push_ref(ist2, pts2);
312 static void sub2video_flush(InputStream *ist)
317 if (ist->sub2video.end_pts < INT64_MAX)
318 sub2video_update(ist, INT64_MAX, NULL);
319 for (i = 0; i < ist->nb_filters; i++) {
320 ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
321 if (ret != AVERROR_EOF && ret < 0)
322 av_log(NULL, AV_LOG_WARNING, "Flush the frame error.\n");
326 /* end of sub2video hack */
328 static void term_exit_sigsafe(void)
332 tcsetattr (0, TCSANOW, &oldtty);
338 av_log(NULL, AV_LOG_QUIET, "%s", "");
342 static volatile int received_sigterm = 0;
343 static volatile int received_nb_signals = 0;
344 static atomic_int transcode_init_done = ATOMIC_VAR_INIT(0);
345 static volatile int ffmpeg_exited = 0;
346 static int main_return_code = 0;
349 sigterm_handler(int sig)
352 received_sigterm = sig;
353 received_nb_signals++;
355 if(received_nb_signals > 3) {
356 ret = write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
357 strlen("Received > 3 system signals, hard exiting\n"));
358 if (ret < 0) { /* Do nothing */ };
363 #if HAVE_SETCONSOLECTRLHANDLER
364 static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
366 av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
371 case CTRL_BREAK_EVENT:
372 sigterm_handler(SIGINT);
375 case CTRL_CLOSE_EVENT:
376 case CTRL_LOGOFF_EVENT:
377 case CTRL_SHUTDOWN_EVENT:
378 sigterm_handler(SIGTERM);
379 /* Basically, with these 3 events, when we return from this method the
380 process is hard terminated, so stall as long as we need to
381 to try and let the main thread(s) clean up and gracefully terminate
382 (we have at most 5 seconds, but should be done far before that). */
383 while (!ffmpeg_exited) {
389 av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
398 if (!run_as_daemon && stdin_interaction) {
400 if (tcgetattr (0, &tty) == 0) {
404 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
405 |INLCR|IGNCR|ICRNL|IXON);
406 tty.c_oflag |= OPOST;
407 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
408 tty.c_cflag &= ~(CSIZE|PARENB);
413 tcsetattr (0, TCSANOW, &tty);
415 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
419 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
420 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
422 signal(SIGXCPU, sigterm_handler);
425 signal(SIGPIPE, SIG_IGN); /* Broken pipe (POSIX). */
427 #if HAVE_SETCONSOLECTRLHANDLER
428 SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
432 /* read a key without blocking */
433 static int read_key(void)
445 n = select(1, &rfds, NULL, NULL, &tv);
454 # if HAVE_PEEKNAMEDPIPE
456 static HANDLE input_handle;
459 input_handle = GetStdHandle(STD_INPUT_HANDLE);
460 is_pipe = !GetConsoleMode(input_handle, &dw);
464 /* When running under a GUI, you will end here. */
465 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
466 // input pipe may have been closed by the program that ran ffmpeg
484 static int decode_interrupt_cb(void *ctx)
486 return received_nb_signals > atomic_load(&transcode_init_done);
489 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
491 static void ffmpeg_cleanup(int ret)
496 int maxrss = getmaxrss() / 1024;
497 av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
500 for (i = 0; i < nb_filtergraphs; i++) {
501 FilterGraph *fg = filtergraphs[i];
502 avfilter_graph_free(&fg->graph);
503 for (j = 0; j < fg->nb_inputs; j++) {
504 while (av_fifo_size(fg->inputs[j]->frame_queue)) {
506 av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
507 sizeof(frame), NULL);
508 av_frame_free(&frame);
510 av_fifo_freep(&fg->inputs[j]->frame_queue);
511 if (fg->inputs[j]->ist->sub2video.sub_queue) {
512 while (av_fifo_size(fg->inputs[j]->ist->sub2video.sub_queue)) {
514 av_fifo_generic_read(fg->inputs[j]->ist->sub2video.sub_queue,
515 &sub, sizeof(sub), NULL);
516 avsubtitle_free(&sub);
518 av_fifo_freep(&fg->inputs[j]->ist->sub2video.sub_queue);
520 av_buffer_unref(&fg->inputs[j]->hw_frames_ctx);
521 av_freep(&fg->inputs[j]->name);
522 av_freep(&fg->inputs[j]);
524 av_freep(&fg->inputs);
525 for (j = 0; j < fg->nb_outputs; j++) {
526 av_freep(&fg->outputs[j]->name);
527 av_freep(&fg->outputs[j]->formats);
528 av_freep(&fg->outputs[j]->channel_layouts);
529 av_freep(&fg->outputs[j]->sample_rates);
530 av_freep(&fg->outputs[j]);
532 av_freep(&fg->outputs);
533 av_freep(&fg->graph_desc);
535 av_freep(&filtergraphs[i]);
537 av_freep(&filtergraphs);
539 av_freep(&subtitle_out);
542 for (i = 0; i < nb_output_files; i++) {
543 OutputFile *of = output_files[i];
548 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
550 avformat_free_context(s);
551 av_dict_free(&of->opts);
553 av_freep(&output_files[i]);
555 for (i = 0; i < nb_output_streams; i++) {
556 OutputStream *ost = output_streams[i];
561 for (j = 0; j < ost->nb_bitstream_filters; j++)
562 av_bsf_free(&ost->bsf_ctx[j]);
563 av_freep(&ost->bsf_ctx);
565 av_frame_free(&ost->filtered_frame);
566 av_frame_free(&ost->last_frame);
567 av_dict_free(&ost->encoder_opts);
569 av_freep(&ost->forced_keyframes);
570 av_expr_free(ost->forced_keyframes_pexpr);
571 av_freep(&ost->avfilter);
572 av_freep(&ost->logfile_prefix);
574 av_freep(&ost->audio_channels_map);
575 ost->audio_channels_mapped = 0;
577 av_dict_free(&ost->sws_dict);
578 av_dict_free(&ost->swr_opts);
580 avcodec_free_context(&ost->enc_ctx);
581 avcodec_parameters_free(&ost->ref_par);
583 if (ost->muxing_queue) {
584 while (av_fifo_size(ost->muxing_queue)) {
586 av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
587 av_packet_unref(&pkt);
589 av_fifo_freep(&ost->muxing_queue);
592 av_freep(&output_streams[i]);
595 free_input_threads();
597 for (i = 0; i < nb_input_files; i++) {
598 avformat_close_input(&input_files[i]->ctx);
599 av_freep(&input_files[i]);
601 for (i = 0; i < nb_input_streams; i++) {
602 InputStream *ist = input_streams[i];
604 av_frame_free(&ist->decoded_frame);
605 av_frame_free(&ist->filter_frame);
606 av_dict_free(&ist->decoder_opts);
607 avsubtitle_free(&ist->prev_sub.subtitle);
608 av_frame_free(&ist->sub2video.frame);
609 av_freep(&ist->filters);
610 av_freep(&ist->hwaccel_device);
611 av_freep(&ist->dts_buffer);
613 avcodec_free_context(&ist->dec_ctx);
615 av_freep(&input_streams[i]);
619 if (fclose(vstats_file))
620 av_log(NULL, AV_LOG_ERROR,
621 "Error closing vstats file, loss of information possible: %s\n",
622 av_err2str(AVERROR(errno)));
624 av_freep(&vstats_filename);
626 av_freep(&input_streams);
627 av_freep(&input_files);
628 av_freep(&output_streams);
629 av_freep(&output_files);
633 avformat_network_deinit();
635 if (received_sigterm) {
636 av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
637 (int) received_sigterm);
638 } else if (ret && atomic_load(&transcode_init_done)) {
639 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
645 void remove_avoptions(AVDictionary **a, AVDictionary *b)
647 AVDictionaryEntry *t = NULL;
649 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
650 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
654 void assert_avoptions(AVDictionary *m)
656 AVDictionaryEntry *t;
657 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
658 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
663 static void abort_codec_experimental(AVCodec *c, int encoder)
668 static void update_benchmark(const char *fmt, ...)
670 if (do_benchmark_all) {
671 BenchmarkTimeStamps t = get_benchmark_time_stamps();
677 vsnprintf(buf, sizeof(buf), fmt, va);
679 av_log(NULL, AV_LOG_INFO,
680 "bench: %8" PRIu64 " user %8" PRIu64 " sys %8" PRIu64 " real %s \n",
681 t.user_usec - current_time.user_usec,
682 t.sys_usec - current_time.sys_usec,
683 t.real_usec - current_time.real_usec, buf);
689 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
692 for (i = 0; i < nb_output_streams; i++) {
693 OutputStream *ost2 = output_streams[i];
694 ost2->finished |= ost == ost2 ? this_stream : others;
698 static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
700 AVFormatContext *s = of->ctx;
701 AVStream *st = ost->st;
705 * Audio encoders may split the packets -- #frames in != #packets out.
706 * But there is no reordering, so we can limit the number of output packets
707 * by simply dropping them here.
708 * Counting encoded video frames needs to be done separately because of
709 * reordering, see do_video_out().
710 * Do not count the packet when unqueued because it has been counted when queued.
712 if (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed) && !unqueue) {
713 if (ost->frame_number >= ost->max_frames) {
714 av_packet_unref(pkt);
720 if (!of->header_written) {
721 AVPacket tmp_pkt = {0};
722 /* the muxer is not initialized yet, buffer the packet */
723 if (!av_fifo_space(ost->muxing_queue)) {
724 int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
725 ost->max_muxing_queue_size);
726 if (new_size <= av_fifo_size(ost->muxing_queue)) {
727 av_log(NULL, AV_LOG_ERROR,
728 "Too many packets buffered for output stream %d:%d.\n",
729 ost->file_index, ost->st->index);
732 ret = av_fifo_realloc2(ost->muxing_queue, new_size);
736 ret = av_packet_make_refcounted(pkt);
739 av_packet_move_ref(&tmp_pkt, pkt);
740 av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
744 if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
745 (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
746 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
748 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
750 uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_STATS,
752 ost->quality = sd ? AV_RL32(sd) : -1;
753 ost->pict_type = sd ? sd[4] : AV_PICTURE_TYPE_NONE;
755 for (i = 0; i<FF_ARRAY_ELEMS(ost->error); i++) {
757 ost->error[i] = AV_RL64(sd + 8 + 8*i);
762 if (ost->frame_rate.num && ost->is_cfr) {
763 if (pkt->duration > 0)
764 av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
765 pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
770 av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
772 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
773 if (pkt->dts != AV_NOPTS_VALUE &&
774 pkt->pts != AV_NOPTS_VALUE &&
775 pkt->dts > pkt->pts) {
776 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
778 ost->file_index, ost->st->index);
780 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
781 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
782 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
784 if ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO || st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) &&
785 pkt->dts != AV_NOPTS_VALUE &&
786 !(st->codecpar->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
787 ost->last_mux_dts != AV_NOPTS_VALUE) {
788 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
789 if (pkt->dts < max) {
790 int loglevel = max - pkt->dts > 2 || st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
792 loglevel = AV_LOG_ERROR;
793 av_log(s, loglevel, "Non-monotonous DTS in output stream "
794 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
795 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
797 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
800 av_log(s, loglevel, "changing to %"PRId64". This may result "
801 "in incorrect timestamps in the output file.\n",
803 if (pkt->pts >= pkt->dts)
804 pkt->pts = FFMAX(pkt->pts, max);
809 ost->last_mux_dts = pkt->dts;
811 ost->data_size += pkt->size;
812 ost->packets_written++;
814 pkt->stream_index = ost->index;
817 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
818 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
819 av_get_media_type_string(ost->enc_ctx->codec_type),
820 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
821 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
826 ret = av_interleaved_write_frame(s, pkt);
828 print_error("av_interleaved_write_frame()", ret);
829 main_return_code = 1;
830 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
832 av_packet_unref(pkt);
835 static void close_output_stream(OutputStream *ost)
837 OutputFile *of = output_files[ost->file_index];
839 ost->finished |= ENCODER_FINISHED;
841 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
842 of->recording_time = FFMIN(of->recording_time, end);
847 * Send a single packet to the output, applying any bitstream filters
848 * associated with the output stream. This may result in any number
849 * of packets actually being written, depending on what bitstream
850 * filters are applied. The supplied packet is consumed and will be
851 * blank (as if newly-allocated) when this function returns.
853 * If eof is set, instead indicate EOF to all bitstream filters and
854 * therefore flush any delayed packets to the output. A blank packet
855 * must be supplied in this case.
857 static void output_packet(OutputFile *of, AVPacket *pkt,
858 OutputStream *ost, int eof)
862 /* apply the output bitstream filters, if any */
863 if (ost->nb_bitstream_filters) {
866 ret = av_bsf_send_packet(ost->bsf_ctx[0], eof ? NULL : pkt);
873 /* get a packet from the previous filter up the chain */
874 ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt);
875 if (ret == AVERROR(EAGAIN)) {
879 } else if (ret == AVERROR_EOF) {
884 /* send it to the next filter down the chain or to the muxer */
885 if (idx < ost->nb_bitstream_filters) {
886 ret = av_bsf_send_packet(ost->bsf_ctx[idx], eof ? NULL : pkt);
894 write_packet(of, pkt, ost, 0);
897 write_packet(of, pkt, ost, 0);
900 if (ret < 0 && ret != AVERROR_EOF) {
901 av_log(NULL, AV_LOG_ERROR, "Error applying bitstream filters to an output "
902 "packet for stream #%d:%d.\n", ost->file_index, ost->index);
908 static int check_recording_time(OutputStream *ost)
910 OutputFile *of = output_files[ost->file_index];
912 if (of->recording_time != INT64_MAX &&
913 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
914 AV_TIME_BASE_Q) >= 0) {
915 close_output_stream(ost);
921 static void do_audio_out(OutputFile *of, OutputStream *ost,
924 AVCodecContext *enc = ost->enc_ctx;
928 av_init_packet(&pkt);
932 if (!check_recording_time(ost))
935 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
936 frame->pts = ost->sync_opts;
937 ost->sync_opts = frame->pts + frame->nb_samples;
938 ost->samples_encoded += frame->nb_samples;
939 ost->frames_encoded++;
941 av_assert0(pkt.size || !pkt.data);
942 update_benchmark(NULL);
944 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
945 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
946 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
947 enc->time_base.num, enc->time_base.den);
950 ret = avcodec_send_frame(enc, frame);
955 ret = avcodec_receive_packet(enc, &pkt);
956 if (ret == AVERROR(EAGAIN))
961 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
963 av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
966 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
967 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
968 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
969 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
972 output_packet(of, &pkt, ost, 0);
977 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
981 static void do_subtitle_out(OutputFile *of,
985 int subtitle_out_max_size = 1024 * 1024;
986 int subtitle_out_size, nb, i;
991 if (sub->pts == AV_NOPTS_VALUE) {
992 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1000 if (!subtitle_out) {
1001 subtitle_out = av_malloc(subtitle_out_max_size);
1002 if (!subtitle_out) {
1003 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
1008 /* Note: DVB subtitle need one packet to draw them and one other
1009 packet to clear them */
1010 /* XXX: signal it in the codec context ? */
1011 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
1016 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
1018 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
1019 pts -= output_files[ost->file_index]->start_time;
1020 for (i = 0; i < nb; i++) {
1021 unsigned save_num_rects = sub->num_rects;
1023 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
1024 if (!check_recording_time(ost))
1028 // start_display_time is required to be 0
1029 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1030 sub->end_display_time -= sub->start_display_time;
1031 sub->start_display_time = 0;
1035 ost->frames_encoded++;
1037 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1038 subtitle_out_max_size, sub);
1040 sub->num_rects = save_num_rects;
1041 if (subtitle_out_size < 0) {
1042 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1046 av_init_packet(&pkt);
1047 pkt.data = subtitle_out;
1048 pkt.size = subtitle_out_size;
1049 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
1050 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1051 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
1052 /* XXX: the pts correction is handled here. Maybe handling
1053 it in the codec would be better */
1055 pkt.pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1057 pkt.pts += av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase);
1060 output_packet(of, &pkt, ost, 0);
1064 static void do_video_out(OutputFile *of,
1066 AVFrame *next_picture,
1069 int ret, format_video_sync;
1071 AVCodecContext *enc = ost->enc_ctx;
1072 AVCodecParameters *mux_par = ost->st->codecpar;
1073 AVRational frame_rate;
1074 int nb_frames, nb0_frames, i;
1075 double delta, delta0;
1076 double duration = 0;
1078 InputStream *ist = NULL;
1079 AVFilterContext *filter = ost->filter->filter;
1081 if (ost->source_index >= 0)
1082 ist = input_streams[ost->source_index];
1084 frame_rate = av_buffersink_get_frame_rate(filter);
1085 if (frame_rate.num > 0 && frame_rate.den > 0)
1086 duration = 1/(av_q2d(frame_rate) * av_q2d(enc->time_base));
1088 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
1089 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
1091 if (!ost->filters_script &&
1093 (nb_filtergraphs == 0 || !filtergraphs[0]->graph_desc) &&
1096 lrintf(next_picture->pkt_duration * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
1097 duration = lrintf(next_picture->pkt_duration * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
1100 if (!next_picture) {
1102 nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
1103 ost->last_nb0_frames[1],
1104 ost->last_nb0_frames[2]);
1106 delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output.
1107 delta = delta0 + duration;
1109 /* by default, we output a single frame */
1110 nb0_frames = 0; // tracks the number of times the PREVIOUS frame should be duplicated, mostly for variable framerate (VFR)
1113 format_video_sync = video_sync_method;
1114 if (format_video_sync == VSYNC_AUTO) {
1115 if(!strcmp(of->ctx->oformat->name, "avi")) {
1116 format_video_sync = VSYNC_VFR;
1118 format_video_sync = (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? ((of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
1120 && format_video_sync == VSYNC_CFR
1121 && input_files[ist->file_index]->ctx->nb_streams == 1
1122 && input_files[ist->file_index]->input_ts_offset == 0) {
1123 format_video_sync = VSYNC_VSCFR;
1125 if (format_video_sync == VSYNC_CFR && copy_ts) {
1126 format_video_sync = VSYNC_VSCFR;
1129 ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
1133 format_video_sync != VSYNC_PASSTHROUGH &&
1134 format_video_sync != VSYNC_DROP) {
1135 if (delta0 < -0.6) {
1136 av_log(NULL, AV_LOG_VERBOSE, "Past duration %f too large\n", -delta0);
1138 av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
1139 sync_ipts = ost->sync_opts;
1144 switch (format_video_sync) {
1146 if (ost->frame_number == 0 && delta0 >= 0.5) {
1147 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
1150 ost->sync_opts = llrint(sync_ipts);
1153 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1154 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
1156 } else if (delta < -1.1)
1158 else if (delta > 1.1) {
1159 nb_frames = lrintf(delta);
1161 nb0_frames = llrintf(delta0 - 0.6);
1167 else if (delta > 0.6)
1168 ost->sync_opts = llrint(sync_ipts);
1171 case VSYNC_PASSTHROUGH:
1172 ost->sync_opts = llrint(sync_ipts);
1179 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1180 nb0_frames = FFMIN(nb0_frames, nb_frames);
1182 memmove(ost->last_nb0_frames + 1,
1183 ost->last_nb0_frames,
1184 sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
1185 ost->last_nb0_frames[0] = nb0_frames;
1187 if (nb0_frames == 0 && ost->last_dropped) {
1189 av_log(NULL, AV_LOG_VERBOSE,
1190 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
1191 ost->frame_number, ost->st->index, ost->last_frame->pts);
1193 if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
1194 if (nb_frames > dts_error_threshold * 30) {
1195 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1199 nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
1200 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1201 if (nb_frames_dup > dup_warning) {
1202 av_log(NULL, AV_LOG_WARNING, "More than %d frames duplicated\n", dup_warning);
1206 ost->last_dropped = nb_frames == nb0_frames && next_picture;
1208 /* duplicates frame if needed */
1209 for (i = 0; i < nb_frames; i++) {
1210 AVFrame *in_picture;
1211 int forced_keyframe = 0;
1213 av_init_packet(&pkt);
1217 if (i < nb0_frames && ost->last_frame) {
1218 in_picture = ost->last_frame;
1220 in_picture = next_picture;
1225 in_picture->pts = ost->sync_opts;
1227 if (!check_recording_time(ost))
1230 if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
1231 ost->top_field_first >= 0)
1232 in_picture->top_field_first = !!ost->top_field_first;
1234 if (in_picture->interlaced_frame) {
1235 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1236 mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1238 mux_par->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1240 mux_par->field_order = AV_FIELD_PROGRESSIVE;
1242 in_picture->quality = enc->global_quality;
1243 in_picture->pict_type = 0;
1245 if (ost->forced_kf_ref_pts == AV_NOPTS_VALUE &&
1246 in_picture->pts != AV_NOPTS_VALUE)
1247 ost->forced_kf_ref_pts = in_picture->pts;
1249 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1250 (in_picture->pts - ost->forced_kf_ref_pts) * av_q2d(enc->time_base) : NAN;
1251 if (ost->forced_kf_index < ost->forced_kf_count &&
1252 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1253 ost->forced_kf_index++;
1254 forced_keyframe = 1;
1255 } else if (ost->forced_keyframes_pexpr) {
1257 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1258 res = av_expr_eval(ost->forced_keyframes_pexpr,
1259 ost->forced_keyframes_expr_const_values, NULL);
1260 ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1261 ost->forced_keyframes_expr_const_values[FKF_N],
1262 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1263 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1264 ost->forced_keyframes_expr_const_values[FKF_T],
1265 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1268 forced_keyframe = 1;
1269 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1270 ost->forced_keyframes_expr_const_values[FKF_N];
1271 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1272 ost->forced_keyframes_expr_const_values[FKF_T];
1273 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1276 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1277 } else if ( ost->forced_keyframes
1278 && !strncmp(ost->forced_keyframes, "source", 6)
1279 && in_picture->key_frame==1
1281 forced_keyframe = 1;
1284 if (forced_keyframe) {
1285 in_picture->pict_type = AV_PICTURE_TYPE_I;
1286 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1289 update_benchmark(NULL);
1291 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1292 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1293 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1294 enc->time_base.num, enc->time_base.den);
1297 ost->frames_encoded++;
1299 ret = avcodec_send_frame(enc, in_picture);
1302 // Make sure Closed Captions will not be duplicated
1303 av_frame_remove_side_data(in_picture, AV_FRAME_DATA_A53_CC);
1306 ret = avcodec_receive_packet(enc, &pkt);
1307 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1308 if (ret == AVERROR(EAGAIN))
1314 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1315 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1316 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1317 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1320 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
1321 pkt.pts = ost->sync_opts;
1323 av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
1326 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1327 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1328 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->mux_timebase),
1329 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->mux_timebase));
1332 frame_size = pkt.size;
1333 output_packet(of, &pkt, ost, 0);
1335 /* if two pass, output log */
1336 if (ost->logfile && enc->stats_out) {
1337 fprintf(ost->logfile, "%s", enc->stats_out);
1342 * For video, number of frames in == number of packets out.
1343 * But there may be reordering, so we can't throw away frames on encoder
1344 * flush, we need to limit them here, before they go into encoder.
1346 ost->frame_number++;
1348 if (vstats_filename && frame_size)
1349 do_video_stats(ost, frame_size);
1352 if (!ost->last_frame)
1353 ost->last_frame = av_frame_alloc();
1354 av_frame_unref(ost->last_frame);
1355 if (next_picture && ost->last_frame)
1356 av_frame_ref(ost->last_frame, next_picture);
1358 av_frame_free(&ost->last_frame);
1362 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1366 static double psnr(double d)
1368 return -10.0 * log10(d);
1371 static void do_video_stats(OutputStream *ost, int frame_size)
1373 AVCodecContext *enc;
1375 double ti1, bitrate, avg_bitrate;
1377 /* this is executed just the first time do_video_stats is called */
1379 vstats_file = fopen(vstats_filename, "w");
1387 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1388 frame_number = ost->st->nb_frames;
1389 if (vstats_version <= 1) {
1390 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
1391 ost->quality / (float)FF_QP2LAMBDA);
1393 fprintf(vstats_file, "out= %2d st= %2d frame= %5d q= %2.1f ", ost->file_index, ost->index, frame_number,
1394 ost->quality / (float)FF_QP2LAMBDA);
1397 if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
1398 fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1400 fprintf(vstats_file,"f_size= %6d ", frame_size);
1401 /* compute pts value */
1402 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1406 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1407 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1408 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1409 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1410 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
1414 static int init_output_stream(OutputStream *ost, char *error, int error_len);
1416 static void finish_output_stream(OutputStream *ost)
1418 OutputFile *of = output_files[ost->file_index];
1421 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1424 for (i = 0; i < of->ctx->nb_streams; i++)
1425 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1430 * Get and encode new output from any of the filtergraphs, without causing
1433 * @return 0 for success, <0 for severe errors
1435 static int reap_filters(int flush)
1437 AVFrame *filtered_frame = NULL;
1440 /* Reap all buffers present in the buffer sinks */
1441 for (i = 0; i < nb_output_streams; i++) {
1442 OutputStream *ost = output_streams[i];
1443 OutputFile *of = output_files[ost->file_index];
1444 AVFilterContext *filter;
1445 AVCodecContext *enc = ost->enc_ctx;
1448 if (!ost->filter || !ost->filter->graph->graph)
1450 filter = ost->filter->filter;
1452 if (!ost->initialized) {
1453 char error[1024] = "";
1454 ret = init_output_stream(ost, error, sizeof(error));
1456 av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
1457 ost->file_index, ost->index, error);
1462 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1463 return AVERROR(ENOMEM);
1465 filtered_frame = ost->filtered_frame;
1468 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1469 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1470 AV_BUFFERSINK_FLAG_NO_REQUEST);
1472 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1473 av_log(NULL, AV_LOG_WARNING,
1474 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1475 } else if (flush && ret == AVERROR_EOF) {
1476 if (av_buffersink_get_type(filter) == AVMEDIA_TYPE_VIDEO)
1477 do_video_out(of, ost, NULL, AV_NOPTS_VALUE);
1481 if (ost->finished) {
1482 av_frame_unref(filtered_frame);
1485 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1486 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1487 AVRational filter_tb = av_buffersink_get_time_base(filter);
1488 AVRational tb = enc->time_base;
1489 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1491 tb.den <<= extra_bits;
1493 av_rescale_q(filtered_frame->pts, filter_tb, tb) -
1494 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1495 float_pts /= 1 << extra_bits;
1496 // avoid exact midoints to reduce the chance of rounding differences, this can be removed in case the fps code is changed to work with integers
1497 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1499 filtered_frame->pts =
1500 av_rescale_q(filtered_frame->pts, filter_tb, enc->time_base) -
1501 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1504 switch (av_buffersink_get_type(filter)) {
1505 case AVMEDIA_TYPE_VIDEO:
1506 if (!ost->frame_aspect_ratio.num)
1507 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1510 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1511 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1513 enc->time_base.num, enc->time_base.den);
1516 do_video_out(of, ost, filtered_frame, float_pts);
1518 case AVMEDIA_TYPE_AUDIO:
1519 if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
1520 enc->channels != filtered_frame->channels) {
1521 av_log(NULL, AV_LOG_ERROR,
1522 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1525 do_audio_out(of, ost, filtered_frame);
1528 // TODO support subtitle filters
1532 av_frame_unref(filtered_frame);
1539 static void print_final_stats(int64_t total_size)
1541 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1542 uint64_t subtitle_size = 0;
1543 uint64_t data_size = 0;
1544 float percent = -1.0;
1548 for (i = 0; i < nb_output_streams; i++) {
1549 OutputStream *ost = output_streams[i];
1550 switch (ost->enc_ctx->codec_type) {
1551 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1552 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1553 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1554 default: other_size += ost->data_size; break;
1556 extra_size += ost->enc_ctx->extradata_size;
1557 data_size += ost->data_size;
1558 if ( (ost->enc_ctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2))
1559 != AV_CODEC_FLAG_PASS1)
1563 if (data_size && total_size>0 && total_size >= data_size)
1564 percent = 100.0 * (total_size - data_size) / data_size;
1566 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1567 video_size / 1024.0,
1568 audio_size / 1024.0,
1569 subtitle_size / 1024.0,
1570 other_size / 1024.0,
1571 extra_size / 1024.0);
1573 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1575 av_log(NULL, AV_LOG_INFO, "unknown");
1576 av_log(NULL, AV_LOG_INFO, "\n");
1578 /* print verbose per-stream stats */
1579 for (i = 0; i < nb_input_files; i++) {
1580 InputFile *f = input_files[i];
1581 uint64_t total_packets = 0, total_size = 0;
1583 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1586 for (j = 0; j < f->nb_streams; j++) {
1587 InputStream *ist = input_streams[f->ist_index + j];
1588 enum AVMediaType type = ist->dec_ctx->codec_type;
1590 total_size += ist->data_size;
1591 total_packets += ist->nb_packets;
1593 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1594 i, j, media_type_string(type));
1595 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1596 ist->nb_packets, ist->data_size);
1598 if (ist->decoding_needed) {
1599 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1600 ist->frames_decoded);
1601 if (type == AVMEDIA_TYPE_AUDIO)
1602 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1603 av_log(NULL, AV_LOG_VERBOSE, "; ");
1606 av_log(NULL, AV_LOG_VERBOSE, "\n");
1609 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1610 total_packets, total_size);
1613 for (i = 0; i < nb_output_files; i++) {
1614 OutputFile *of = output_files[i];
1615 uint64_t total_packets = 0, total_size = 0;
1617 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1620 for (j = 0; j < of->ctx->nb_streams; j++) {
1621 OutputStream *ost = output_streams[of->ost_index + j];
1622 enum AVMediaType type = ost->enc_ctx->codec_type;
1624 total_size += ost->data_size;
1625 total_packets += ost->packets_written;
1627 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1628 i, j, media_type_string(type));
1629 if (ost->encoding_needed) {
1630 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1631 ost->frames_encoded);
1632 if (type == AVMEDIA_TYPE_AUDIO)
1633 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1634 av_log(NULL, AV_LOG_VERBOSE, "; ");
1637 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1638 ost->packets_written, ost->data_size);
1640 av_log(NULL, AV_LOG_VERBOSE, "\n");
1643 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1644 total_packets, total_size);
1646 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1647 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
1649 av_log(NULL, AV_LOG_WARNING, "\n");
1651 av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
1656 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1658 AVBPrint buf, buf_script;
1660 AVFormatContext *oc;
1662 AVCodecContext *enc;
1663 int frame_number, vid, i;
1666 int64_t pts = INT64_MIN + 1;
1667 static int64_t last_time = -1;
1668 static int qp_histogram[52];
1669 int hours, mins, secs, us;
1670 const char *hours_sign;
1674 if (!print_stats && !is_last_report && !progress_avio)
1677 if (!is_last_report) {
1678 if (last_time == -1) {
1679 last_time = cur_time;
1682 if ((cur_time - last_time) < 500000)
1684 last_time = cur_time;
1687 t = (cur_time-timer_start) / 1000000.0;
1690 oc = output_files[0]->ctx;
1692 total_size = avio_size(oc->pb);
1693 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1694 total_size = avio_tell(oc->pb);
1697 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
1698 av_bprint_init(&buf_script, 0, AV_BPRINT_SIZE_AUTOMATIC);
1699 for (i = 0; i < nb_output_streams; i++) {
1701 ost = output_streams[i];
1703 if (!ost->stream_copy)
1704 q = ost->quality / (float) FF_QP2LAMBDA;
1706 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1707 av_bprintf(&buf, "q=%2.1f ", q);
1708 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1709 ost->file_index, ost->index, q);
1711 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1714 frame_number = ost->frame_number;
1715 fps = t > 1 ? frame_number / t : 0;
1716 av_bprintf(&buf, "frame=%5d fps=%3.*f q=%3.1f ",
1717 frame_number, fps < 9.95, fps, q);
1718 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1719 av_bprintf(&buf_script, "fps=%.2f\n", fps);
1720 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1721 ost->file_index, ost->index, q);
1723 av_bprintf(&buf, "L");
1727 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1729 for (j = 0; j < 32; j++)
1730 av_bprintf(&buf, "%X", av_log2(qp_histogram[j] + 1));
1733 if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
1735 double error, error_sum = 0;
1736 double scale, scale_sum = 0;
1738 char type[3] = { 'Y','U','V' };
1739 av_bprintf(&buf, "PSNR=");
1740 for (j = 0; j < 3; j++) {
1741 if (is_last_report) {
1742 error = enc->error[j];
1743 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1745 error = ost->error[j];
1746 scale = enc->width * enc->height * 255.0 * 255.0;
1752 p = psnr(error / scale);
1753 av_bprintf(&buf, "%c:%2.2f ", type[j], p);
1754 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1755 ost->file_index, ost->index, type[j] | 32, p);
1757 p = psnr(error_sum / scale_sum);
1758 av_bprintf(&buf, "*:%2.2f ", psnr(error_sum / scale_sum));
1759 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1760 ost->file_index, ost->index, p);
1764 /* compute min output value */
1765 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1766 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1767 ost->st->time_base, AV_TIME_BASE_Q));
1769 nb_frames_drop += ost->last_dropped;
1772 secs = FFABS(pts) / AV_TIME_BASE;
1773 us = FFABS(pts) % AV_TIME_BASE;
1778 hours_sign = (pts < 0) ? "-" : "";
1780 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1781 speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
1783 if (total_size < 0) av_bprintf(&buf, "size=N/A time=");
1784 else av_bprintf(&buf, "size=%8.0fkB time=", total_size / 1024.0);
1785 if (pts == AV_NOPTS_VALUE) {
1786 av_bprintf(&buf, "N/A ");
1788 av_bprintf(&buf, "%s%02d:%02d:%02d.%02d ",
1789 hours_sign, hours, mins, secs, (100 * us) / AV_TIME_BASE);
1793 av_bprintf(&buf, "bitrate=N/A");
1794 av_bprintf(&buf_script, "bitrate=N/A\n");
1796 av_bprintf(&buf, "bitrate=%6.1fkbits/s", bitrate);
1797 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1800 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1801 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1802 if (pts == AV_NOPTS_VALUE) {
1803 av_bprintf(&buf_script, "out_time_us=N/A\n");
1804 av_bprintf(&buf_script, "out_time_ms=N/A\n");
1805 av_bprintf(&buf_script, "out_time=N/A\n");
1807 av_bprintf(&buf_script, "out_time_us=%"PRId64"\n", pts);
1808 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1809 av_bprintf(&buf_script, "out_time=%s%02d:%02d:%02d.%06d\n",
1810 hours_sign, hours, mins, secs, us);
1813 if (nb_frames_dup || nb_frames_drop)
1814 av_bprintf(&buf, " dup=%d drop=%d", nb_frames_dup, nb_frames_drop);
1815 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1816 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1819 av_bprintf(&buf, " speed=N/A");
1820 av_bprintf(&buf_script, "speed=N/A\n");
1822 av_bprintf(&buf, " speed=%4.3gx", speed);
1823 av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
1826 if (print_stats || is_last_report) {
1827 const char end = is_last_report ? '\n' : '\r';
1828 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1829 fprintf(stderr, "%s %c", buf.str, end);
1831 av_log(NULL, AV_LOG_INFO, "%s %c", buf.str, end);
1835 av_bprint_finalize(&buf, NULL);
1837 if (progress_avio) {
1838 av_bprintf(&buf_script, "progress=%s\n",
1839 is_last_report ? "end" : "continue");
1840 avio_write(progress_avio, buf_script.str,
1841 FFMIN(buf_script.len, buf_script.size - 1));
1842 avio_flush(progress_avio);
1843 av_bprint_finalize(&buf_script, NULL);
1844 if (is_last_report) {
1845 if ((ret = avio_closep(&progress_avio)) < 0)
1846 av_log(NULL, AV_LOG_ERROR,
1847 "Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
1852 print_final_stats(total_size);
1855 static void ifilter_parameters_from_codecpar(InputFilter *ifilter, AVCodecParameters *par)
1857 // We never got any input. Set a fake format, which will
1858 // come from libavformat.
1859 ifilter->format = par->format;
1860 ifilter->sample_rate = par->sample_rate;
1861 ifilter->channels = par->channels;
1862 ifilter->channel_layout = par->channel_layout;
1863 ifilter->width = par->width;
1864 ifilter->height = par->height;
1865 ifilter->sample_aspect_ratio = par->sample_aspect_ratio;
1868 static void flush_encoders(void)
1872 for (i = 0; i < nb_output_streams; i++) {
1873 OutputStream *ost = output_streams[i];
1874 AVCodecContext *enc = ost->enc_ctx;
1875 OutputFile *of = output_files[ost->file_index];
1877 if (!ost->encoding_needed)
1880 // Try to enable encoding with no input frames.
1881 // Maybe we should just let encoding fail instead.
1882 if (!ost->initialized) {
1883 FilterGraph *fg = ost->filter->graph;
1884 char error[1024] = "";
1886 av_log(NULL, AV_LOG_WARNING,
1887 "Finishing stream %d:%d without any data written to it.\n",
1888 ost->file_index, ost->st->index);
1890 if (ost->filter && !fg->graph) {
1892 for (x = 0; x < fg->nb_inputs; x++) {
1893 InputFilter *ifilter = fg->inputs[x];
1894 if (ifilter->format < 0)
1895 ifilter_parameters_from_codecpar(ifilter, ifilter->ist->st->codecpar);
1898 if (!ifilter_has_all_input_formats(fg))
1901 ret = configure_filtergraph(fg);
1903 av_log(NULL, AV_LOG_ERROR, "Error configuring filter graph\n");
1907 finish_output_stream(ost);
1910 ret = init_output_stream(ost, error, sizeof(error));
1912 av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
1913 ost->file_index, ost->index, error);
1918 if (enc->codec_type != AVMEDIA_TYPE_VIDEO && enc->codec_type != AVMEDIA_TYPE_AUDIO)
1922 const char *desc = NULL;
1926 switch (enc->codec_type) {
1927 case AVMEDIA_TYPE_AUDIO:
1930 case AVMEDIA_TYPE_VIDEO:
1937 av_init_packet(&pkt);
1941 update_benchmark(NULL);
1943 while ((ret = avcodec_receive_packet(enc, &pkt)) == AVERROR(EAGAIN)) {
1944 ret = avcodec_send_frame(enc, NULL);
1946 av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1953 update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
1954 if (ret < 0 && ret != AVERROR_EOF) {
1955 av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
1960 if (ost->logfile && enc->stats_out) {
1961 fprintf(ost->logfile, "%s", enc->stats_out);
1963 if (ret == AVERROR_EOF) {
1964 output_packet(of, &pkt, ost, 1);
1967 if (ost->finished & MUXER_FINISHED) {
1968 av_packet_unref(&pkt);
1971 av_packet_rescale_ts(&pkt, enc->time_base, ost->mux_timebase);
1972 pkt_size = pkt.size;
1973 output_packet(of, &pkt, ost, 0);
1974 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1975 do_video_stats(ost, pkt_size);
1982 * Check whether a packet from ist should be written into ost at this time
1984 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1986 OutputFile *of = output_files[ost->file_index];
1987 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1989 if (ost->source_index != ist_index)
1995 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
2001 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
2003 OutputFile *of = output_files[ost->file_index];
2004 InputFile *f = input_files [ist->file_index];
2005 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
2006 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
2009 // EOF: flush output bitstream filters.
2011 av_init_packet(&opkt);
2014 output_packet(of, &opkt, ost, 1);
2018 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2019 !ost->copy_initial_nonkeyframes)
2022 if (!ost->frame_number && !ost->copy_prior_start) {
2023 int64_t comp_start = start_time;
2024 if (copy_ts && f->start_time != AV_NOPTS_VALUE)
2025 comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
2026 if (pkt->pts == AV_NOPTS_VALUE ?
2027 ist->pts < comp_start :
2028 pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
2032 if (of->recording_time != INT64_MAX &&
2033 ist->pts >= of->recording_time + start_time) {
2034 close_output_stream(ost);
2038 if (f->recording_time != INT64_MAX) {
2039 start_time = f->ctx->start_time;
2040 if (f->start_time != AV_NOPTS_VALUE && copy_ts)
2041 start_time += f->start_time;
2042 if (ist->pts >= f->recording_time + start_time) {
2043 close_output_stream(ost);
2048 /* force the input stream PTS */
2049 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2052 if (av_packet_ref(&opkt, pkt) < 0)
2055 if (pkt->pts != AV_NOPTS_VALUE)
2056 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
2058 if (pkt->dts == AV_NOPTS_VALUE) {
2059 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->mux_timebase);
2060 } else if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2061 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
2063 duration = ist->dec_ctx->frame_size;
2064 opkt.dts = av_rescale_delta(ist->st->time_base, pkt->dts,
2065 (AVRational){1, ist->dec_ctx->sample_rate}, duration,
2066 &ist->filter_in_rescale_delta_last, ost->mux_timebase);
2067 /* dts will be set immediately afterwards to what pts is now */
2068 opkt.pts = opkt.dts - ost_tb_start_time;
2070 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
2071 opkt.dts -= ost_tb_start_time;
2073 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
2075 output_packet(of, &opkt, ost, 0);
2078 int guess_input_channel_layout(InputStream *ist)
2080 AVCodecContext *dec = ist->dec_ctx;
2082 if (!dec->channel_layout) {
2083 char layout_name[256];
2085 if (dec->channels > ist->guess_layout_max)
2087 dec->channel_layout = av_get_default_channel_layout(dec->channels);
2088 if (!dec->channel_layout)
2090 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2091 dec->channels, dec->channel_layout);
2092 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2093 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2098 static void check_decode_result(InputStream *ist, int *got_output, int ret)
2100 if (*got_output || ret<0)
2101 decode_error_stat[ret<0] ++;
2103 if (ret < 0 && exit_on_error)
2106 if (*got_output && ist) {
2107 if (ist->decoded_frame->decode_error_flags || (ist->decoded_frame->flags & AV_FRAME_FLAG_CORRUPT)) {
2108 av_log(NULL, exit_on_error ? AV_LOG_FATAL : AV_LOG_WARNING,
2109 "%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->url, ist->st->index);
2116 // Filters can be configured only if the formats of all inputs are known.
2117 static int ifilter_has_all_input_formats(FilterGraph *fg)
2120 for (i = 0; i < fg->nb_inputs; i++) {
2121 if (fg->inputs[i]->format < 0 && (fg->inputs[i]->type == AVMEDIA_TYPE_AUDIO ||
2122 fg->inputs[i]->type == AVMEDIA_TYPE_VIDEO))
2128 static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
2130 FilterGraph *fg = ifilter->graph;
2131 int need_reinit, ret, i;
2133 /* determine if the parameters for this input changed */
2134 need_reinit = ifilter->format != frame->format;
2136 switch (ifilter->ist->st->codecpar->codec_type) {
2137 case AVMEDIA_TYPE_AUDIO:
2138 need_reinit |= ifilter->sample_rate != frame->sample_rate ||
2139 ifilter->channels != frame->channels ||
2140 ifilter->channel_layout != frame->channel_layout;
2142 case AVMEDIA_TYPE_VIDEO:
2143 need_reinit |= ifilter->width != frame->width ||
2144 ifilter->height != frame->height;
2148 if (!ifilter->ist->reinit_filters && fg->graph)
2151 if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
2152 (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
2156 ret = ifilter_parameters_from_frame(ifilter, frame);
2161 /* (re)init the graph if possible, otherwise buffer the frame and return */
2162 if (need_reinit || !fg->graph) {
2163 for (i = 0; i < fg->nb_inputs; i++) {
2164 if (!ifilter_has_all_input_formats(fg)) {
2165 AVFrame *tmp = av_frame_clone(frame);
2167 return AVERROR(ENOMEM);
2168 av_frame_unref(frame);
2170 if (!av_fifo_space(ifilter->frame_queue)) {
2171 ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
2173 av_frame_free(&tmp);
2177 av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
2182 ret = reap_filters(1);
2183 if (ret < 0 && ret != AVERROR_EOF) {
2184 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
2188 ret = configure_filtergraph(fg);
2190 av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
2195 ret = av_buffersrc_add_frame_flags(ifilter->filter, frame, AV_BUFFERSRC_FLAG_PUSH);
2197 if (ret != AVERROR_EOF)
2198 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
2205 static int ifilter_send_eof(InputFilter *ifilter, int64_t pts)
2211 if (ifilter->filter) {
2212 ret = av_buffersrc_close(ifilter->filter, pts, AV_BUFFERSRC_FLAG_PUSH);
2216 // the filtergraph was never configured
2217 if (ifilter->format < 0)
2218 ifilter_parameters_from_codecpar(ifilter, ifilter->ist->st->codecpar);
2219 if (ifilter->format < 0 && (ifilter->type == AVMEDIA_TYPE_AUDIO || ifilter->type == AVMEDIA_TYPE_VIDEO)) {
2220 av_log(NULL, AV_LOG_ERROR, "Cannot determine format of input stream %d:%d after EOF\n", ifilter->ist->file_index, ifilter->ist->st->index);
2221 return AVERROR_INVALIDDATA;
2228 // This does not quite work like avcodec_decode_audio4/avcodec_decode_video2.
2229 // There is the following difference: if you got a frame, you must call
2230 // it again with pkt=NULL. pkt==NULL is treated differently from pkt->size==0
2231 // (pkt==NULL means get more output, pkt->size==0 is a flush/drain packet)
2232 static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
2239 ret = avcodec_send_packet(avctx, pkt);
2240 // In particular, we don't expect AVERROR(EAGAIN), because we read all
2241 // decoded frames with avcodec_receive_frame() until done.
2242 if (ret < 0 && ret != AVERROR_EOF)
2246 ret = avcodec_receive_frame(avctx, frame);
2247 if (ret < 0 && ret != AVERROR(EAGAIN))
2255 static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
2260 av_assert1(ist->nb_filters > 0); /* ensure ret is initialized */
2261 for (i = 0; i < ist->nb_filters; i++) {
2262 if (i < ist->nb_filters - 1) {
2263 f = ist->filter_frame;
2264 ret = av_frame_ref(f, decoded_frame);
2269 ret = ifilter_send_frame(ist->filters[i], f);
2270 if (ret == AVERROR_EOF)
2271 ret = 0; /* ignore */
2273 av_log(NULL, AV_LOG_ERROR,
2274 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2281 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
2284 AVFrame *decoded_frame;
2285 AVCodecContext *avctx = ist->dec_ctx;
2287 AVRational decoded_frame_tb;
2289 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2290 return AVERROR(ENOMEM);
2291 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2292 return AVERROR(ENOMEM);
2293 decoded_frame = ist->decoded_frame;
2295 update_benchmark(NULL);
2296 ret = decode(avctx, decoded_frame, got_output, pkt);
2297 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
2301 if (ret >= 0 && avctx->sample_rate <= 0) {
2302 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2303 ret = AVERROR_INVALIDDATA;
2306 if (ret != AVERROR_EOF)
2307 check_decode_result(ist, got_output, ret);
2309 if (!*got_output || ret < 0)
2312 ist->samples_decoded += decoded_frame->nb_samples;
2313 ist->frames_decoded++;
2315 /* increment next_dts to use for the case where the input stream does not
2316 have timestamps or there are multiple frames in the packet */
2317 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2319 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2322 if (decoded_frame->pts != AV_NOPTS_VALUE) {
2323 decoded_frame_tb = ist->st->time_base;
2324 } else if (pkt && pkt->pts != AV_NOPTS_VALUE) {
2325 decoded_frame->pts = pkt->pts;
2326 decoded_frame_tb = ist->st->time_base;
2328 decoded_frame->pts = ist->dts;
2329 decoded_frame_tb = AV_TIME_BASE_Q;
2331 if (decoded_frame->pts != AV_NOPTS_VALUE)
2332 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
2333 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
2334 (AVRational){1, avctx->sample_rate});
2335 ist->nb_samples = decoded_frame->nb_samples;
2336 err = send_frame_to_filters(ist, decoded_frame);
2338 av_frame_unref(ist->filter_frame);
2339 av_frame_unref(decoded_frame);
2340 return err < 0 ? err : ret;
2343 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, int eof,
2346 AVFrame *decoded_frame;
2347 int i, ret = 0, err = 0;
2348 int64_t best_effort_timestamp;
2349 int64_t dts = AV_NOPTS_VALUE;
2352 // With fate-indeo3-2, we're getting 0-sized packets before EOF for some
2353 // reason. This seems like a semi-critical bug. Don't trigger EOF, and
2355 if (!eof && pkt && pkt->size == 0)
2358 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
2359 return AVERROR(ENOMEM);
2360 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
2361 return AVERROR(ENOMEM);
2362 decoded_frame = ist->decoded_frame;
2363 if (ist->dts != AV_NOPTS_VALUE)
2364 dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2367 avpkt.dts = dts; // ffmpeg.c probably shouldn't do this
2370 // The old code used to set dts on the drain packet, which does not work
2371 // with the new API anymore.
2373 void *new = av_realloc_array(ist->dts_buffer, ist->nb_dts_buffer + 1, sizeof(ist->dts_buffer[0]));
2375 return AVERROR(ENOMEM);
2376 ist->dts_buffer = new;
2377 ist->dts_buffer[ist->nb_dts_buffer++] = dts;
2380 update_benchmark(NULL);
2381 ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt ? &avpkt : NULL);
2382 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2386 // The following line may be required in some cases where there is no parser
2387 // or the parser does not has_b_frames correctly
2388 if (ist->st->codecpar->video_delay < ist->dec_ctx->has_b_frames) {
2389 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
2390 ist->st->codecpar->video_delay = ist->dec_ctx->has_b_frames;
2392 av_log(ist->dec_ctx, AV_LOG_WARNING,
2393 "video_delay is larger in decoder than demuxer %d > %d.\n"
2394 "If you want to help, upload a sample "
2395 "of this file to ftp://upload.ffmpeg.org/incoming/ "
2396 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n",
2397 ist->dec_ctx->has_b_frames,
2398 ist->st->codecpar->video_delay);
2401 if (ret != AVERROR_EOF)
2402 check_decode_result(ist, got_output, ret);
2404 if (*got_output && ret >= 0) {
2405 if (ist->dec_ctx->width != decoded_frame->width ||
2406 ist->dec_ctx->height != decoded_frame->height ||
2407 ist->dec_ctx->pix_fmt != decoded_frame->format) {
2408 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
2409 decoded_frame->width,
2410 decoded_frame->height,
2411 decoded_frame->format,
2412 ist->dec_ctx->width,
2413 ist->dec_ctx->height,
2414 ist->dec_ctx->pix_fmt);
2418 if (!*got_output || ret < 0)
2421 if(ist->top_field_first>=0)
2422 decoded_frame->top_field_first = ist->top_field_first;
2424 ist->frames_decoded++;
2426 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2427 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2431 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2433 best_effort_timestamp= decoded_frame->best_effort_timestamp;
2434 *duration_pts = decoded_frame->pkt_duration;
2436 if (ist->framerate.num)
2437 best_effort_timestamp = ist->cfr_next_pts++;
2439 if (eof && best_effort_timestamp == AV_NOPTS_VALUE && ist->nb_dts_buffer > 0) {
2440 best_effort_timestamp = ist->dts_buffer[0];
2442 for (i = 0; i < ist->nb_dts_buffer - 1; i++)
2443 ist->dts_buffer[i] = ist->dts_buffer[i + 1];
2444 ist->nb_dts_buffer--;
2447 if(best_effort_timestamp != AV_NOPTS_VALUE) {
2448 int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2450 if (ts != AV_NOPTS_VALUE)
2451 ist->next_pts = ist->pts = ts;
2455 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2456 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
2457 ist->st->index, av_ts2str(decoded_frame->pts),
2458 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2459 best_effort_timestamp,
2460 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2461 decoded_frame->key_frame, decoded_frame->pict_type,
2462 ist->st->time_base.num, ist->st->time_base.den);
2465 if (ist->st->sample_aspect_ratio.num)
2466 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2468 err = send_frame_to_filters(ist, decoded_frame);
2471 av_frame_unref(ist->filter_frame);
2472 av_frame_unref(decoded_frame);
2473 return err < 0 ? err : ret;
2476 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output,
2479 AVSubtitle subtitle;
2481 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2482 &subtitle, got_output, pkt);
2484 check_decode_result(NULL, got_output, ret);
2486 if (ret < 0 || !*got_output) {
2489 sub2video_flush(ist);
2493 if (ist->fix_sub_duration) {
2495 if (ist->prev_sub.got_output) {
2496 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2497 1000, AV_TIME_BASE);
2498 if (end < ist->prev_sub.subtitle.end_display_time) {
2499 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2500 "Subtitle duration reduced from %"PRId32" to %d%s\n",
2501 ist->prev_sub.subtitle.end_display_time, end,
2502 end <= 0 ? ", dropping it" : "");
2503 ist->prev_sub.subtitle.end_display_time = end;
2506 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2507 FFSWAP(int, ret, ist->prev_sub.ret);
2508 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2516 if (ist->sub2video.frame) {
2517 sub2video_update(ist, INT64_MIN, &subtitle);
2518 } else if (ist->nb_filters) {
2519 if (!ist->sub2video.sub_queue)
2520 ist->sub2video.sub_queue = av_fifo_alloc(8 * sizeof(AVSubtitle));
2521 if (!ist->sub2video.sub_queue)
2523 if (!av_fifo_space(ist->sub2video.sub_queue)) {
2524 ret = av_fifo_realloc2(ist->sub2video.sub_queue, 2 * av_fifo_size(ist->sub2video.sub_queue));
2528 av_fifo_generic_write(ist->sub2video.sub_queue, &subtitle, sizeof(subtitle), NULL);
2532 if (!subtitle.num_rects)
2535 ist->frames_decoded++;
2537 for (i = 0; i < nb_output_streams; i++) {
2538 OutputStream *ost = output_streams[i];
2540 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2541 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2544 do_subtitle_out(output_files[ost->file_index], ost, &subtitle);
2549 avsubtitle_free(&subtitle);
2553 static int send_filter_eof(InputStream *ist)
2556 /* TODO keep pts also in stream time base to avoid converting back */
2557 int64_t pts = av_rescale_q_rnd(ist->pts, AV_TIME_BASE_Q, ist->st->time_base,
2558 AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX);
2560 for (i = 0; i < ist->nb_filters; i++) {
2561 ret = ifilter_send_eof(ist->filters[i], pts);
2568 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2569 static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
2573 int eof_reached = 0;
2576 if (!ist->saw_first_ts) {
2577 ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2579 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2580 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2581 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2583 ist->saw_first_ts = 1;
2586 if (ist->next_dts == AV_NOPTS_VALUE)
2587 ist->next_dts = ist->dts;
2588 if (ist->next_pts == AV_NOPTS_VALUE)
2589 ist->next_pts = ist->pts;
2593 av_init_packet(&avpkt);
2600 if (pkt && pkt->dts != AV_NOPTS_VALUE) {
2601 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2602 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2603 ist->next_pts = ist->pts = ist->dts;
2606 // while we have more to decode or while the decoder did output something on EOF
2607 while (ist->decoding_needed) {
2608 int64_t duration_dts = 0;
2609 int64_t duration_pts = 0;
2611 int decode_failed = 0;
2613 ist->pts = ist->next_pts;
2614 ist->dts = ist->next_dts;
2616 switch (ist->dec_ctx->codec_type) {
2617 case AVMEDIA_TYPE_AUDIO:
2618 ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output,
2621 case AVMEDIA_TYPE_VIDEO:
2622 ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output, &duration_pts, !pkt,
2624 if (!repeating || !pkt || got_output) {
2625 if (pkt && pkt->duration) {
2626 duration_dts = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2627 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2628 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2629 duration_dts = ((int64_t)AV_TIME_BASE *
2630 ist->dec_ctx->framerate.den * ticks) /
2631 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2634 if(ist->dts != AV_NOPTS_VALUE && duration_dts) {
2635 ist->next_dts += duration_dts;
2637 ist->next_dts = AV_NOPTS_VALUE;
2641 if (duration_pts > 0) {
2642 ist->next_pts += av_rescale_q(duration_pts, ist->st->time_base, AV_TIME_BASE_Q);
2644 ist->next_pts += duration_dts;
2648 case AVMEDIA_TYPE_SUBTITLE:
2651 ret = transcode_subtitles(ist, &avpkt, &got_output, &decode_failed);
2652 if (!pkt && ret >= 0)
2659 if (ret == AVERROR_EOF) {
2665 if (decode_failed) {
2666 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2667 ist->file_index, ist->st->index, av_err2str(ret));
2669 av_log(NULL, AV_LOG_FATAL, "Error while processing the decoded "
2670 "data for stream #%d:%d\n", ist->file_index, ist->st->index);
2672 if (!decode_failed || exit_on_error)
2678 ist->got_output = 1;
2683 // During draining, we might get multiple output frames in this loop.
2684 // ffmpeg.c does not drain the filter chain on configuration changes,
2685 // which means if we send multiple frames at once to the filters, and
2686 // one of those frames changes configuration, the buffered frames will
2687 // be lost. This can upset certain FATE tests.
2688 // Decode only 1 frame per call on EOF to appease these FATE tests.
2689 // The ideal solution would be to rewrite decoding to use the new
2690 // decoding API in a better way.
2697 /* after flushing, send an EOF on all the filter inputs attached to the stream */
2698 /* except when looping we need to flush but not to send an EOF */
2699 if (!pkt && ist->decoding_needed && eof_reached && !no_eof) {
2700 int ret = send_filter_eof(ist);
2702 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
2707 /* handle stream copy */
2708 if (!ist->decoding_needed && pkt) {
2709 ist->dts = ist->next_dts;
2710 switch (ist->dec_ctx->codec_type) {
2711 case AVMEDIA_TYPE_AUDIO:
2712 av_assert1(pkt->duration >= 0);
2713 if (ist->dec_ctx->sample_rate) {
2714 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2715 ist->dec_ctx->sample_rate;
2717 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2720 case AVMEDIA_TYPE_VIDEO:
2721 if (ist->framerate.num) {
2722 // TODO: Remove work-around for c99-to-c89 issue 7
2723 AVRational time_base_q = AV_TIME_BASE_Q;
2724 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2725 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2726 } else if (pkt->duration) {
2727 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2728 } else if(ist->dec_ctx->framerate.num != 0) {
2729 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2730 ist->next_dts += ((int64_t)AV_TIME_BASE *
2731 ist->dec_ctx->framerate.den * ticks) /
2732 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2736 ist->pts = ist->dts;
2737 ist->next_pts = ist->next_dts;
2739 for (i = 0; i < nb_output_streams; i++) {
2740 OutputStream *ost = output_streams[i];
2742 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2745 do_streamcopy(ist, ost, pkt);
2748 return !eof_reached;
2751 static void print_sdp(void)
2756 AVIOContext *sdp_pb;
2757 AVFormatContext **avc;
2759 for (i = 0; i < nb_output_files; i++) {
2760 if (!output_files[i]->header_written)
2764 avc = av_malloc_array(nb_output_files, sizeof(*avc));
2767 for (i = 0, j = 0; i < nb_output_files; i++) {
2768 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2769 avc[j] = output_files[i]->ctx;
2777 av_sdp_create(avc, j, sdp, sizeof(sdp));
2779 if (!sdp_filename) {
2780 printf("SDP:\n%s\n", sdp);
2783 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2784 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2786 avio_print(sdp_pb, sdp);
2787 avio_closep(&sdp_pb);
2788 av_freep(&sdp_filename);
2796 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2798 InputStream *ist = s->opaque;
2799 const enum AVPixelFormat *p;
2802 for (p = pix_fmts; *p != AV_PIX_FMT_NONE; p++) {
2803 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2804 const AVCodecHWConfig *config = NULL;
2807 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2810 if (ist->hwaccel_id == HWACCEL_GENERIC ||
2811 ist->hwaccel_id == HWACCEL_AUTO) {
2813 config = avcodec_get_hw_config(s->codec, i);
2816 if (!(config->methods &
2817 AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
2819 if (config->pix_fmt == *p)
2824 if (config->device_type != ist->hwaccel_device_type) {
2825 // Different hwaccel offered, ignore.
2829 ret = hwaccel_decode_init(s);
2831 if (ist->hwaccel_id == HWACCEL_GENERIC) {
2832 av_log(NULL, AV_LOG_FATAL,
2833 "%s hwaccel requested for input stream #%d:%d, "
2834 "but cannot be initialized.\n",
2835 av_hwdevice_get_type_name(config->device_type),
2836 ist->file_index, ist->st->index);
2837 return AV_PIX_FMT_NONE;
2842 const HWAccel *hwaccel = NULL;
2844 for (i = 0; hwaccels[i].name; i++) {
2845 if (hwaccels[i].pix_fmt == *p) {
2846 hwaccel = &hwaccels[i];
2851 // No hwaccel supporting this pixfmt.
2854 if (hwaccel->id != ist->hwaccel_id) {
2855 // Does not match requested hwaccel.
2859 ret = hwaccel->init(s);
2861 av_log(NULL, AV_LOG_FATAL,
2862 "%s hwaccel requested for input stream #%d:%d, "
2863 "but cannot be initialized.\n", hwaccel->name,
2864 ist->file_index, ist->st->index);
2865 return AV_PIX_FMT_NONE;
2869 if (ist->hw_frames_ctx) {
2870 s->hw_frames_ctx = av_buffer_ref(ist->hw_frames_ctx);
2871 if (!s->hw_frames_ctx)
2872 return AV_PIX_FMT_NONE;
2875 ist->hwaccel_pix_fmt = *p;
2882 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2884 InputStream *ist = s->opaque;
2886 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2887 return ist->hwaccel_get_buffer(s, frame, flags);
2889 return avcodec_default_get_buffer2(s, frame, flags);
2892 static int init_input_stream(int ist_index, char *error, int error_len)
2895 InputStream *ist = input_streams[ist_index];
2897 if (ist->decoding_needed) {
2898 AVCodec *codec = ist->dec;
2900 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2901 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2902 return AVERROR(EINVAL);
2905 ist->dec_ctx->opaque = ist;
2906 ist->dec_ctx->get_format = get_format;
2907 ist->dec_ctx->get_buffer2 = get_buffer;
2908 ist->dec_ctx->thread_safe_callbacks = 1;
2910 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2911 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2912 (ist->decoding_needed & DECODING_FOR_OST)) {
2913 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2914 if (ist->decoding_needed & DECODING_FOR_FILTER)
2915 av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
2918 av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
2920 /* Useful for subtitles retiming by lavf (FIXME), skipping samples in
2921 * audio, and video decoders such as cuvid or mediacodec */
2922 ist->dec_ctx->pkt_timebase = ist->st->time_base;
2924 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2925 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2926 /* Attached pics are sparse, therefore we would not want to delay their decoding till EOF. */
2927 if (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC)
2928 av_dict_set(&ist->decoder_opts, "threads", "1", 0);
2930 ret = hw_device_setup_for_decode(ist);
2932 snprintf(error, error_len, "Device setup failed for "
2933 "decoder on input stream #%d:%d : %s",
2934 ist->file_index, ist->st->index, av_err2str(ret));
2938 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2939 if (ret == AVERROR_EXPERIMENTAL)
2940 abort_codec_experimental(codec, 0);
2942 snprintf(error, error_len,
2943 "Error while opening decoder for input stream "
2945 ist->file_index, ist->st->index, av_err2str(ret));
2948 assert_avoptions(ist->decoder_opts);
2951 ist->next_pts = AV_NOPTS_VALUE;
2952 ist->next_dts = AV_NOPTS_VALUE;
2957 static InputStream *get_input_stream(OutputStream *ost)
2959 if (ost->source_index >= 0)
2960 return input_streams[ost->source_index];
2964 static int compare_int64(const void *a, const void *b)
2966 return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
2969 /* open the muxer when all the streams are initialized */
2970 static int check_init_output_file(OutputFile *of, int file_index)
2974 for (i = 0; i < of->ctx->nb_streams; i++) {
2975 OutputStream *ost = output_streams[of->ost_index + i];
2976 if (!ost->initialized)
2980 of->ctx->interrupt_callback = int_cb;
2982 ret = avformat_write_header(of->ctx, &of->opts);
2984 av_log(NULL, AV_LOG_ERROR,
2985 "Could not write header for output file #%d "
2986 "(incorrect codec parameters ?): %s\n",
2987 file_index, av_err2str(ret));
2990 //assert_avoptions(of->opts);
2991 of->header_written = 1;
2993 av_dump_format(of->ctx, file_index, of->ctx->url, 1);
2995 if (sdp_filename || want_sdp)
2998 /* flush the muxing queues */
2999 for (i = 0; i < of->ctx->nb_streams; i++) {
3000 OutputStream *ost = output_streams[of->ost_index + i];
3002 /* try to improve muxing time_base (only possible if nothing has been written yet) */
3003 if (!av_fifo_size(ost->muxing_queue))
3004 ost->mux_timebase = ost->st->time_base;
3006 while (av_fifo_size(ost->muxing_queue)) {
3008 av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
3009 write_packet(of, &pkt, ost, 1);
3016 static int init_output_bsfs(OutputStream *ost)
3021 if (!ost->nb_bitstream_filters)
3024 for (i = 0; i < ost->nb_bitstream_filters; i++) {
3025 ctx = ost->bsf_ctx[i];
3027 ret = avcodec_parameters_copy(ctx->par_in,
3028 i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
3032 ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
3034 ret = av_bsf_init(ctx);
3036 av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
3037 ost->bsf_ctx[i]->filter->name);
3042 ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
3043 ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
3047 ost->st->time_base = ctx->time_base_out;
3052 static int init_output_stream_streamcopy(OutputStream *ost)
3054 OutputFile *of = output_files[ost->file_index];
3055 InputStream *ist = get_input_stream(ost);
3056 AVCodecParameters *par_dst = ost->st->codecpar;
3057 AVCodecParameters *par_src = ost->ref_par;
3060 uint32_t codec_tag = par_dst->codec_tag;
3062 av_assert0(ist && !ost->filter);
3064 ret = avcodec_parameters_to_context(ost->enc_ctx, ist->st->codecpar);
3066 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3068 av_log(NULL, AV_LOG_FATAL,
3069 "Error setting up codec context options.\n");
3073 ret = avcodec_parameters_from_context(par_src, ost->enc_ctx);
3075 av_log(NULL, AV_LOG_FATAL,
3076 "Error getting reference codec parameters.\n");
3081 unsigned int codec_tag_tmp;
3082 if (!of->ctx->oformat->codec_tag ||
3083 av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
3084 !av_codec_get_tag2(of->ctx->oformat->codec_tag, par_src->codec_id, &codec_tag_tmp))
3085 codec_tag = par_src->codec_tag;
3088 ret = avcodec_parameters_copy(par_dst, par_src);
3092 par_dst->codec_tag = codec_tag;
3094 if (!ost->frame_rate.num)
3095 ost->frame_rate = ist->framerate;
3096 ost->st->avg_frame_rate = ost->frame_rate;
3098 ret = avformat_transfer_internal_stream_timing_info(of->ctx->oformat, ost->st, ist->st, copy_tb);
3102 // copy timebase while removing common factors
3103 if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
3104 ost->st->time_base = av_add_q(av_stream_get_codec_timebase(ost->st), (AVRational){0, 1});
3106 // copy estimated duration as a hint to the muxer
3107 if (ost->st->duration <= 0 && ist->st->duration > 0)
3108 ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
3111 ost->st->disposition = ist->st->disposition;
3113 if (ist->st->nb_side_data) {
3114 for (i = 0; i < ist->st->nb_side_data; i++) {
3115 const AVPacketSideData *sd_src = &ist->st->side_data[i];
3118 dst_data = av_stream_new_side_data(ost->st, sd_src->type, sd_src->size);
3120 return AVERROR(ENOMEM);
3121 memcpy(dst_data, sd_src->data, sd_src->size);
3125 if (ost->rotate_overridden) {
3126 uint8_t *sd = av_stream_new_side_data(ost->st, AV_PKT_DATA_DISPLAYMATRIX,
3127 sizeof(int32_t) * 9);
3129 av_display_rotation_set((int32_t *)sd, -ost->rotate_override_value);
3132 switch (par_dst->codec_type) {
3133 case AVMEDIA_TYPE_AUDIO:
3134 if (audio_volume != 256) {
3135 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
3138 if((par_dst->block_align == 1 || par_dst->block_align == 1152 || par_dst->block_align == 576) && par_dst->codec_id == AV_CODEC_ID_MP3)
3139 par_dst->block_align= 0;
3140 if(par_dst->codec_id == AV_CODEC_ID_AC3)
3141 par_dst->block_align= 0;
3143 case AVMEDIA_TYPE_VIDEO:
3144 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
3146 av_mul_q(ost->frame_aspect_ratio,
3147 (AVRational){ par_dst->height, par_dst->width });
3148 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
3149 "with stream copy may produce invalid files\n");
3151 else if (ist->st->sample_aspect_ratio.num)
3152 sar = ist->st->sample_aspect_ratio;
3154 sar = par_src->sample_aspect_ratio;
3155 ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
3156 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
3157 ost->st->r_frame_rate = ist->st->r_frame_rate;
3161 ost->mux_timebase = ist->st->time_base;
3166 static void set_encoder_id(OutputFile *of, OutputStream *ost)
3168 AVDictionaryEntry *e;
3170 uint8_t *encoder_string;
3171 int encoder_string_len;
3172 int format_flags = 0;
3173 int codec_flags = ost->enc_ctx->flags;
3175 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
3178 e = av_dict_get(of->opts, "fflags", NULL, 0);
3180 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
3183 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
3185 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
3187 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
3190 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
3193 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
3194 encoder_string = av_mallocz(encoder_string_len);
3195 if (!encoder_string)
3198 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
3199 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
3201 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
3202 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
3203 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
3204 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
3207 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3208 AVCodecContext *avctx)
3211 int n = 1, i, size, index = 0;
3214 for (p = kf; *p; p++)
3218 pts = av_malloc_array(size, sizeof(*pts));
3220 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3225 for (i = 0; i < n; i++) {
3226 char *next = strchr(p, ',');
3231 if (!memcmp(p, "chapters", 8)) {
3233 AVFormatContext *avf = output_files[ost->file_index]->ctx;
3236 if (avf->nb_chapters > INT_MAX - size ||
3237 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
3239 av_log(NULL, AV_LOG_FATAL,
3240 "Could not allocate forced key frames array.\n");
3243 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
3244 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3246 for (j = 0; j < avf->nb_chapters; j++) {
3247 AVChapter *c = avf->chapters[j];
3248 av_assert1(index < size);
3249 pts[index++] = av_rescale_q(c->start, c->time_base,
3250 avctx->time_base) + t;
3255 t = parse_time_or_die("force_key_frames", p, 1);
3256 av_assert1(index < size);
3257 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3264 av_assert0(index == size);
3265 qsort(pts, size, sizeof(*pts), compare_int64);
3266 ost->forced_kf_count = size;
3267 ost->forced_kf_pts = pts;
3270 static void init_encoder_time_base(OutputStream *ost, AVRational default_time_base)
3272 InputStream *ist = get_input_stream(ost);
3273 AVCodecContext *enc_ctx = ost->enc_ctx;
3274 AVFormatContext *oc;
3276 if (ost->enc_timebase.num > 0) {
3277 enc_ctx->time_base = ost->enc_timebase;
3281 if (ost->enc_timebase.num < 0) {
3283 enc_ctx->time_base = ist->st->time_base;
3287 oc = output_files[ost->file_index]->ctx;
3288 av_log(oc, AV_LOG_WARNING, "Input stream data not available, using default time base\n");
3291 enc_ctx->time_base = default_time_base;
3294 static int init_output_stream_encode(OutputStream *ost)
3296 InputStream *ist = get_input_stream(ost);
3297 AVCodecContext *enc_ctx = ost->enc_ctx;
3298 AVCodecContext *dec_ctx = NULL;
3299 AVFormatContext *oc = output_files[ost->file_index]->ctx;
3302 set_encoder_id(output_files[ost->file_index], ost);
3304 // Muxers use AV_PKT_DATA_DISPLAYMATRIX to signal rotation. On the other
3305 // hand, the legacy API makes demuxers set "rotate" metadata entries,
3306 // which have to be filtered out to prevent leaking them to output files.
3307 av_dict_set(&ost->st->metadata, "rotate", NULL, 0);
3310 ost->st->disposition = ist->st->disposition;
3312 dec_ctx = ist->dec_ctx;
3314 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3316 for (j = 0; j < oc->nb_streams; j++) {
3317 AVStream *st = oc->streams[j];
3318 if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
3321 if (j == oc->nb_streams)
3322 if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
3323 ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
3324 ost->st->disposition = AV_DISPOSITION_DEFAULT;
3327 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
3328 if (!ost->frame_rate.num)
3329 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
3330 if (ist && !ost->frame_rate.num)
3331 ost->frame_rate = ist->framerate;
3332 if (ist && !ost->frame_rate.num)
3333 ost->frame_rate = ist->st->r_frame_rate;
3334 if (ist && !ost->frame_rate.num) {
3335 ost->frame_rate = (AVRational){25, 1};
3336 av_log(NULL, AV_LOG_WARNING,
3338 "about the input framerate is available. Falling "
3339 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
3340 "if you want a different framerate.\n",
3341 ost->file_index, ost->index);
3344 if (ost->enc->supported_framerates && !ost->force_fps) {
3345 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3346 ost->frame_rate = ost->enc->supported_framerates[idx];
3348 // reduce frame rate for mpeg4 to be within the spec limits
3349 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
3350 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
3351 ost->frame_rate.num, ost->frame_rate.den, 65535);
3355 switch (enc_ctx->codec_type) {
3356 case AVMEDIA_TYPE_AUDIO:
3357 enc_ctx->sample_fmt = av_buffersink_get_format(ost->filter->filter);
3359 enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3360 av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
3361 enc_ctx->sample_rate = av_buffersink_get_sample_rate(ost->filter->filter);
3362 enc_ctx->channel_layout = av_buffersink_get_channel_layout(ost->filter->filter);
3363 enc_ctx->channels = av_buffersink_get_channels(ost->filter->filter);
3365 init_encoder_time_base(ost, av_make_q(1, enc_ctx->sample_rate));
3368 case AVMEDIA_TYPE_VIDEO:
3369 init_encoder_time_base(ost, av_inv_q(ost->frame_rate));
3371 if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
3372 enc_ctx->time_base = av_buffersink_get_time_base(ost->filter->filter);
3373 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3374 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
3375 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3376 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3379 enc_ctx->width = av_buffersink_get_w(ost->filter->filter);
3380 enc_ctx->height = av_buffersink_get_h(ost->filter->filter);
3381 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3382 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
3383 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
3384 av_buffersink_get_sample_aspect_ratio(ost->filter->filter);
3386 enc_ctx->pix_fmt = av_buffersink_get_format(ost->filter->filter);
3388 enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
3389 av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
3391 enc_ctx->framerate = ost->frame_rate;
3393 ost->st->avg_frame_rate = ost->frame_rate;
3396 enc_ctx->width != dec_ctx->width ||
3397 enc_ctx->height != dec_ctx->height ||
3398 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
3399 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
3402 if (ost->top_field_first == 0) {
3403 enc_ctx->field_order = AV_FIELD_BB;
3404 } else if (ost->top_field_first == 1) {
3405 enc_ctx->field_order = AV_FIELD_TT;
3408 if (ost->forced_keyframes) {
3409 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
3410 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
3411 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
3413 av_log(NULL, AV_LOG_ERROR,
3414 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
3417 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
3418 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
3419 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
3420 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
3422 // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
3423 // parse it only for static kf timings
3424 } else if(strncmp(ost->forced_keyframes, "source", 6)) {
3425 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
3429 case AVMEDIA_TYPE_SUBTITLE:
3430 enc_ctx->time_base = AV_TIME_BASE_Q;
3431 if (!enc_ctx->width) {
3432 enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
3433 enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
3436 case AVMEDIA_TYPE_DATA:
3443 ost->mux_timebase = enc_ctx->time_base;
3448 static int init_output_stream(OutputStream *ost, char *error, int error_len)
3452 if (ost->encoding_needed) {
3453 AVCodec *codec = ost->enc;
3454 AVCodecContext *dec = NULL;
3457 ret = init_output_stream_encode(ost);
3461 if ((ist = get_input_stream(ost)))
3463 if (dec && dec->subtitle_header) {
3464 /* ASS code assumes this buffer is null terminated so add extra byte. */
3465 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3466 if (!ost->enc_ctx->subtitle_header)
3467 return AVERROR(ENOMEM);
3468 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3469 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3471 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3472 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3473 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3475 !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
3476 !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
3477 av_dict_set(&ost->encoder_opts, "b", "128000", 0);
3479 ret = hw_device_setup_for_encode(ost);
3481 snprintf(error, error_len, "Device setup failed for "
3482 "encoder on output stream #%d:%d : %s",
3483 ost->file_index, ost->index, av_err2str(ret));
3487 if (ist && ist->dec->type == AVMEDIA_TYPE_SUBTITLE && ost->enc->type == AVMEDIA_TYPE_SUBTITLE) {
3488 int input_props = 0, output_props = 0;
3489 AVCodecDescriptor const *input_descriptor =
3490 avcodec_descriptor_get(dec->codec_id);
3491 AVCodecDescriptor const *output_descriptor =
3492 avcodec_descriptor_get(ost->enc_ctx->codec_id);
3493 if (input_descriptor)
3494 input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
3495 if (output_descriptor)
3496 output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
3497 if (input_props && output_props && input_props != output_props) {
3498 snprintf(error, error_len,
3499 "Subtitle encoding currently only possible from text to text "
3500 "or bitmap to bitmap");
3501 return AVERROR_INVALIDDATA;
3505 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3506 if (ret == AVERROR_EXPERIMENTAL)
3507 abort_codec_experimental(codec, 1);
3508 snprintf(error, error_len,
3509 "Error while opening encoder for output stream #%d:%d - "
3510 "maybe incorrect parameters such as bit_rate, rate, width or height",
3511 ost->file_index, ost->index);
3514 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3515 !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
3516 av_buffersink_set_frame_size(ost->filter->filter,
3517 ost->enc_ctx->frame_size);
3518 assert_avoptions(ost->encoder_opts);
3519 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000 &&
3520 ost->enc_ctx->codec_id != AV_CODEC_ID_CODEC2 /* don't complain about 700 bit/s modes */)
3521 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3522 " It takes bits/s as argument, not kbits/s\n");
3524 ret = avcodec_parameters_from_context(ost->st->codecpar, ost->enc_ctx);
3526 av_log(NULL, AV_LOG_FATAL,
3527 "Error initializing the output stream codec context.\n");
3531 * FIXME: ost->st->codec should't be needed here anymore.
3533 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3537 if (ost->enc_ctx->nb_coded_side_data) {
3540 for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
3541 const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
3544 dst_data = av_stream_new_side_data(ost->st, sd_src->type, sd_src->size);
3546 return AVERROR(ENOMEM);
3547 memcpy(dst_data, sd_src->data, sd_src->size);
3552 * Add global input side data. For now this is naive, and copies it
3553 * from the input stream's global side data. All side data should
3554 * really be funneled over AVFrame and libavfilter, then added back to
3555 * packet side data, and then potentially using the first packet for
3560 for (i = 0; i < ist->st->nb_side_data; i++) {
3561 AVPacketSideData *sd = &ist->st->side_data[i];
3562 if (sd->type != AV_PKT_DATA_CPB_PROPERTIES) {
3563 uint8_t *dst = av_stream_new_side_data(ost->st, sd->type, sd->size);
3565 return AVERROR(ENOMEM);
3566 memcpy(dst, sd->data, sd->size);
3567 if (ist->autorotate && sd->type == AV_PKT_DATA_DISPLAYMATRIX)
3568 av_display_rotation_set((uint32_t *)dst, 0);
3573 // copy timebase while removing common factors
3574 if (ost->st->time_base.num <= 0 || ost->st->time_base.den <= 0)
3575 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3577 // copy estimated duration as a hint to the muxer
3578 if (ost->st->duration <= 0 && ist && ist->st->duration > 0)
3579 ost->st->duration = av_rescale_q(ist->st->duration, ist->st->time_base, ost->st->time_base);
3581 ost->st->codec->codec= ost->enc_ctx->codec;
3582 } else if (ost->stream_copy) {
3583 ret = init_output_stream_streamcopy(ost);
3588 // parse user provided disposition, and update stream values
3589 if (ost->disposition) {
3590 static const AVOption opts[] = {
3591 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
3592 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
3593 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
3594 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
3595 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
3596 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
3597 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
3598 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
3599 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
3600 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
3601 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
3602 { "attached_pic" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "flags" },
3603 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
3604 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
3605 { "dependent" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "flags" },
3606 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
3609 static const AVClass class = {
3611 .item_name = av_default_item_name,
3613 .version = LIBAVUTIL_VERSION_INT,
3615 const AVClass *pclass = &class;
3617 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3622 /* initialize bitstream filters for the output stream
3623 * needs to be done here, because the codec id for streamcopy is not
3624 * known until now */
3625 ret = init_output_bsfs(ost);
3629 ost->initialized = 1;
3631 ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
3638 static void report_new_stream(int input_index, AVPacket *pkt)
3640 InputFile *file = input_files[input_index];
3641 AVStream *st = file->ctx->streams[pkt->stream_index];
3643 if (pkt->stream_index < file->nb_streams_warn)
3645 av_log(file->ctx, AV_LOG_WARNING,
3646 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
3647 av_get_media_type_string(st->codecpar->codec_type),
3648 input_index, pkt->stream_index,
3649 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
3650 file->nb_streams_warn = pkt->stream_index + 1;
3653 static int transcode_init(void)
3655 int ret = 0, i, j, k;
3656 AVFormatContext *oc;
3659 char error[1024] = {0};
3661 for (i = 0; i < nb_filtergraphs; i++) {
3662 FilterGraph *fg = filtergraphs[i];
3663 for (j = 0; j < fg->nb_outputs; j++) {
3664 OutputFilter *ofilter = fg->outputs[j];
3665 if (!ofilter->ost || ofilter->ost->source_index >= 0)
3667 if (fg->nb_inputs != 1)
3669 for (k = nb_input_streams-1; k >= 0 ; k--)
3670 if (fg->inputs[0]->ist == input_streams[k])
3672 ofilter->ost->source_index = k;
3676 /* init framerate emulation */
3677 for (i = 0; i < nb_input_files; i++) {
3678 InputFile *ifile = input_files[i];
3679 if (ifile->rate_emu)
3680 for (j = 0; j < ifile->nb_streams; j++)
3681 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
3684 /* init input streams */
3685 for (i = 0; i < nb_input_streams; i++)
3686 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3687 for (i = 0; i < nb_output_streams; i++) {
3688 ost = output_streams[i];
3689 avcodec_close(ost->enc_ctx);
3694 /* open each encoder */
3695 for (i = 0; i < nb_output_streams; i++) {
3696 // skip streams fed from filtergraphs until we have a frame for them
3697 if (output_streams[i]->filter)
3700 ret = init_output_stream(output_streams[i], error, sizeof(error));
3705 /* discard unused programs */
3706 for (i = 0; i < nb_input_files; i++) {
3707 InputFile *ifile = input_files[i];
3708 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3709 AVProgram *p = ifile->ctx->programs[j];
3710 int discard = AVDISCARD_ALL;
3712 for (k = 0; k < p->nb_stream_indexes; k++)
3713 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3714 discard = AVDISCARD_DEFAULT;
3717 p->discard = discard;
3721 /* write headers for files with no streams */
3722 for (i = 0; i < nb_output_files; i++) {
3723 oc = output_files[i]->ctx;
3724 if (oc->oformat->flags & AVFMT_NOSTREAMS && oc->nb_streams == 0) {
3725 ret = check_init_output_file(output_files[i], i);
3732 /* dump the stream mapping */
3733 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3734 for (i = 0; i < nb_input_streams; i++) {
3735 ist = input_streams[i];
3737 for (j = 0; j < ist->nb_filters; j++) {
3738 if (!filtergraph_is_simple(ist->filters[j]->graph)) {
3739 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3740 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3741 ist->filters[j]->name);
3742 if (nb_filtergraphs > 1)
3743 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3744 av_log(NULL, AV_LOG_INFO, "\n");
3749 for (i = 0; i < nb_output_streams; i++) {
3750 ost = output_streams[i];
3752 if (ost->attachment_filename) {
3753 /* an attached file */
3754 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3755 ost->attachment_filename, ost->file_index, ost->index);
3759 if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
3760 /* output from a complex graph */
3761 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3762 if (nb_filtergraphs > 1)
3763 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3765 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3766 ost->index, ost->enc ? ost->enc->name : "?");
3770 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3771 input_streams[ost->source_index]->file_index,
3772 input_streams[ost->source_index]->st->index,
3775 if (ost->sync_ist != input_streams[ost->source_index])
3776 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3777 ost->sync_ist->file_index,
3778 ost->sync_ist->st->index);
3779 if (ost->stream_copy)
3780 av_log(NULL, AV_LOG_INFO, " (copy)");
3782 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3783 const AVCodec *out_codec = ost->enc;
3784 const char *decoder_name = "?";
3785 const char *in_codec_name = "?";
3786 const char *encoder_name = "?";
3787 const char *out_codec_name = "?";
3788 const AVCodecDescriptor *desc;
3791 decoder_name = in_codec->name;
3792 desc = avcodec_descriptor_get(in_codec->id);
3794 in_codec_name = desc->name;
3795 if (!strcmp(decoder_name, in_codec_name))
3796 decoder_name = "native";
3800 encoder_name = out_codec->name;
3801 desc = avcodec_descriptor_get(out_codec->id);
3803 out_codec_name = desc->name;
3804 if (!strcmp(encoder_name, out_codec_name))
3805 encoder_name = "native";
3808 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3809 in_codec_name, decoder_name,
3810 out_codec_name, encoder_name);
3812 av_log(NULL, AV_LOG_INFO, "\n");
3816 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3820 atomic_store(&transcode_init_done, 1);
3825 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3826 static int need_output(void)
3830 for (i = 0; i < nb_output_streams; i++) {
3831 OutputStream *ost = output_streams[i];
3832 OutputFile *of = output_files[ost->file_index];
3833 AVFormatContext *os = output_files[ost->file_index]->ctx;
3835 if (ost->finished ||
3836 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3838 if (ost->frame_number >= ost->max_frames) {
3840 for (j = 0; j < of->ctx->nb_streams; j++)
3841 close_output_stream(output_streams[of->ost_index + j]);
3852 * Select the output stream to process.
3854 * @return selected output stream, or NULL if none available
3856 static OutputStream *choose_output(void)
3859 int64_t opts_min = INT64_MAX;
3860 OutputStream *ost_min = NULL;
3862 for (i = 0; i < nb_output_streams; i++) {
3863 OutputStream *ost = output_streams[i];
3864 int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
3865 av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3867 if (ost->st->cur_dts == AV_NOPTS_VALUE)
3868 av_log(NULL, AV_LOG_DEBUG,
3869 "cur_dts is invalid st:%d (%d) [init:%d i_done:%d finish:%d] (this is harmless if it occurs once at the start per stream)\n",
3870 ost->st->index, ost->st->id, ost->initialized, ost->inputs_done, ost->finished);
3872 if (!ost->initialized && !ost->inputs_done)
3875 if (!ost->finished && opts < opts_min) {
3877 ost_min = ost->unavailable ? NULL : ost;
3883 static void set_tty_echo(int on)
3887 if (tcgetattr(0, &tty) == 0) {
3888 if (on) tty.c_lflag |= ECHO;
3889 else tty.c_lflag &= ~ECHO;
3890 tcsetattr(0, TCSANOW, &tty);
3895 static int check_keyboard_interaction(int64_t cur_time)
3898 static int64_t last_time;
3899 if (received_nb_signals)
3900 return AVERROR_EXIT;
3901 /* read_key() returns 0 on EOF */
3902 if(cur_time - last_time >= 100000 && !run_as_daemon){
3904 last_time = cur_time;
3908 return AVERROR_EXIT;
3909 if (key == '+') av_log_set_level(av_log_get_level()+10);
3910 if (key == '-') av_log_set_level(av_log_get_level()-10);
3911 if (key == 's') qp_hist ^= 1;
3914 do_hex_dump = do_pkt_dump = 0;
3915 } else if(do_pkt_dump){
3919 av_log_set_level(AV_LOG_DEBUG);
3921 if (key == 'c' || key == 'C'){
3922 char buf[4096], target[64], command[256], arg[256] = {0};
3925 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3928 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3933 fprintf(stderr, "\n");
3935 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3936 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3937 target, time, command, arg);
3938 for (i = 0; i < nb_filtergraphs; i++) {
3939 FilterGraph *fg = filtergraphs[i];
3942 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3943 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3944 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3945 } else if (key == 'c') {
3946 fprintf(stderr, "Queuing commands only on filters supporting the specific command is unsupported\n");
3947 ret = AVERROR_PATCHWELCOME;
3949 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3951 fprintf(stderr, "Queuing command failed with error %s\n", av_err2str(ret));
3956 av_log(NULL, AV_LOG_ERROR,
3957 "Parse error, at least 3 arguments were expected, "
3958 "only %d given in string '%s'\n", n, buf);
3961 if (key == 'd' || key == 'D'){
3964 debug = input_streams[0]->st->codec->debug<<1;
3965 if(!debug) debug = 1;
3966 while(debug & (FF_DEBUG_DCT_COEFF
3968 |FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE
3970 )) //unsupported, would just crash
3977 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3982 fprintf(stderr, "\n");
3983 if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
3984 fprintf(stderr,"error parsing debug value\n");
3986 for(i=0;i<nb_input_streams;i++) {
3987 input_streams[i]->st->codec->debug = debug;
3989 for(i=0;i<nb_output_streams;i++) {
3990 OutputStream *ost = output_streams[i];
3991 ost->enc_ctx->debug = debug;
3993 if(debug) av_log_set_level(AV_LOG_DEBUG);
3994 fprintf(stderr,"debug=%d\n", debug);
3997 fprintf(stderr, "key function\n"
3998 "? show this help\n"
3999 "+ increase verbosity\n"
4000 "- decrease verbosity\n"
4001 "c Send command to first matching filter supporting it\n"
4002 "C Send/Queue command to all matching filters\n"
4003 "D cycle through available debug modes\n"
4004 "h dump packets/hex press to cycle through the 3 states\n"
4006 "s Show QP histogram\n"
4013 static void *input_thread(void *arg)
4016 unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
4021 ret = av_read_frame(f->ctx, &pkt);
4023 if (ret == AVERROR(EAGAIN)) {
4028 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
4031 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
4032 if (flags && ret == AVERROR(EAGAIN)) {
4034 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
4035 av_log(f->ctx, AV_LOG_WARNING,
4036 "Thread message queue blocking; consider raising the "
4037 "thread_queue_size option (current value: %d)\n",
4038 f->thread_queue_size);
4041 if (ret != AVERROR_EOF)
4042 av_log(f->ctx, AV_LOG_ERROR,
4043 "Unable to send packet to main thread: %s\n",
4045 av_packet_unref(&pkt);
4046 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
4054 static void free_input_thread(int i)
4056 InputFile *f = input_files[i];
4059 if (!f || !f->in_thread_queue)
4061 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
4062 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
4063 av_packet_unref(&pkt);
4065 pthread_join(f->thread, NULL);
4067 av_thread_message_queue_free(&f->in_thread_queue);
4070 static void free_input_threads(void)
4074 for (i = 0; i < nb_input_files; i++)
4075 free_input_thread(i);
4078 static int init_input_thread(int i)
4081 InputFile *f = input_files[i];
4083 if (nb_input_files == 1)
4086 if (f->ctx->pb ? !f->ctx->pb->seekable :
4087 strcmp(f->ctx->iformat->name, "lavfi"))
4088 f->non_blocking = 1;
4089 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
4090 f->thread_queue_size, sizeof(AVPacket));
4094 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
4095 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
4096 av_thread_message_queue_free(&f->in_thread_queue);
4097 return AVERROR(ret);
4103 static int init_input_threads(void)
4107 for (i = 0; i < nb_input_files; i++) {
4108 ret = init_input_thread(i);
4115 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
4117 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
4119 AV_THREAD_MESSAGE_NONBLOCK : 0);
4123 static int get_input_packet(InputFile *f, AVPacket *pkt)
4127 for (i = 0; i < f->nb_streams; i++) {
4128 InputStream *ist = input_streams[f->ist_index + i];
4129 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
4130 int64_t now = av_gettime_relative() - ist->start;
4132 return AVERROR(EAGAIN);
4137 if (nb_input_files > 1)
4138 return get_input_packet_mt(f, pkt);
4140 return av_read_frame(f->ctx, pkt);
4143 static int got_eagain(void)
4146 for (i = 0; i < nb_output_streams; i++)
4147 if (output_streams[i]->unavailable)
4152 static void reset_eagain(void)
4155 for (i = 0; i < nb_input_files; i++)
4156 input_files[i]->eagain = 0;
4157 for (i = 0; i < nb_output_streams; i++)
4158 output_streams[i]->unavailable = 0;
4161 // set duration to max(tmp, duration) in a proper time base and return duration's time_base
4162 static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
4163 AVRational time_base)
4169 return tmp_time_base;
4172 ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
4175 return tmp_time_base;
4181 static int seek_to_start(InputFile *ifile, AVFormatContext *is)
4184 AVCodecContext *avctx;
4185 int i, ret, has_audio = 0;
4186 int64_t duration = 0;
4188 ret = avformat_seek_file(is, -1, INT64_MIN, is->start_time, is->start_time, 0);
4192 for (i = 0; i < ifile->nb_streams; i++) {
4193 ist = input_streams[ifile->ist_index + i];
4194 avctx = ist->dec_ctx;
4196 /* duration is the length of the last frame in a stream
4197 * when audio stream is present we don't care about
4198 * last video frame length because it's not defined exactly */
4199 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
4203 for (i = 0; i < ifile->nb_streams; i++) {
4204 ist = input_streams[ifile->ist_index + i];
4205 avctx = ist->dec_ctx;
4208 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
4209 AVRational sample_rate = {1, avctx->sample_rate};
4211 duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
4216 if (ist->framerate.num) {
4217 duration = av_rescale_q(1, av_inv_q(ist->framerate), ist->st->time_base);
4218 } else if (ist->st->avg_frame_rate.num) {
4219 duration = av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate), ist->st->time_base);
4224 if (!ifile->duration)
4225 ifile->time_base = ist->st->time_base;
4226 /* the total duration of the stream, max_pts - min_pts is
4227 * the duration of the stream without the last frame */
4228 if (ist->max_pts > ist->min_pts && ist->max_pts - (uint64_t)ist->min_pts < INT64_MAX - duration)
4229 duration += ist->max_pts - ist->min_pts;
4230 ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
4234 if (ifile->loop > 0)
4242 * - 0 -- one packet was read and processed
4243 * - AVERROR(EAGAIN) -- no packets were available for selected file,
4244 * this function should be called again
4245 * - AVERROR_EOF -- this function should not be called again
4247 static int process_input(int file_index)
4249 InputFile *ifile = input_files[file_index];
4250 AVFormatContext *is;
4253 int ret, thread_ret, i, j;
4256 int disable_discontinuity_correction = copy_ts;
4259 ret = get_input_packet(ifile, &pkt);
4261 if (ret == AVERROR(EAGAIN)) {
4265 if (ret < 0 && ifile->loop) {
4266 AVCodecContext *avctx;
4267 for (i = 0; i < ifile->nb_streams; i++) {
4268 ist = input_streams[ifile->ist_index + i];
4269 avctx = ist->dec_ctx;
4270 if (ist->decoding_needed) {
4271 ret = process_input_packet(ist, NULL, 1);
4274 avcodec_flush_buffers(avctx);
4278 free_input_thread(file_index);
4280 ret = seek_to_start(ifile, is);
4282 thread_ret = init_input_thread(file_index);
4287 av_log(NULL, AV_LOG_WARNING, "Seek to start failed.\n");
4289 ret = get_input_packet(ifile, &pkt);
4290 if (ret == AVERROR(EAGAIN)) {
4296 if (ret != AVERROR_EOF) {
4297 print_error(is->url, ret);
4302 for (i = 0; i < ifile->nb_streams; i++) {
4303 ist = input_streams[ifile->ist_index + i];
4304 if (ist->decoding_needed) {
4305 ret = process_input_packet(ist, NULL, 0);
4310 /* mark all outputs that don't go through lavfi as finished */
4311 for (j = 0; j < nb_output_streams; j++) {
4312 OutputStream *ost = output_streams[j];
4314 if (ost->source_index == ifile->ist_index + i &&
4315 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
4316 finish_output_stream(ost);
4320 ifile->eof_reached = 1;
4321 return AVERROR(EAGAIN);
4327 av_pkt_dump_log2(NULL, AV_LOG_INFO, &pkt, do_hex_dump,
4328 is->streams[pkt.stream_index]);
4330 /* the following test is needed in case new streams appear
4331 dynamically in stream : we ignore them */
4332 if (pkt.stream_index >= ifile->nb_streams) {
4333 report_new_stream(file_index, &pkt);
4334 goto discard_packet;
4337 ist = input_streams[ifile->ist_index + pkt.stream_index];
4339 ist->data_size += pkt.size;
4343 goto discard_packet;
4345 if (pkt.flags & AV_PKT_FLAG_CORRUPT) {
4346 av_log(NULL, exit_on_error ? AV_LOG_FATAL : AV_LOG_WARNING,
4347 "%s: corrupt input packet in stream %d\n", is->url, pkt.stream_index);
4353 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
4354 "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
4355 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
4356 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
4357 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
4358 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4359 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4360 av_ts2str(input_files[ist->file_index]->ts_offset),
4361 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4364 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
4365 int64_t stime, stime2;
4366 // Correcting starttime based on the enabled streams
4367 // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
4368 // so we instead do it here as part of discontinuity handling
4369 if ( ist->next_dts == AV_NOPTS_VALUE
4370 && ifile->ts_offset == -is->start_time
4371 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
4372 int64_t new_start_time = INT64_MAX;
4373 for (i=0; i<is->nb_streams; i++) {
4374 AVStream *st = is->streams[i];
4375 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
4377 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
4379 if (new_start_time > is->start_time) {
4380 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
4381 ifile->ts_offset = -new_start_time;
4385 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
4386 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
4387 ist->wrap_correction_done = 1;
4389 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
4390 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
4391 ist->wrap_correction_done = 0;
4393 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
4394 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
4395 ist->wrap_correction_done = 0;
4399 /* add the stream-global side data to the first packet */
4400 if (ist->nb_packets == 1) {
4401 for (i = 0; i < ist->st->nb_side_data; i++) {
4402 AVPacketSideData *src_sd = &ist->st->side_data[i];
4405 if (src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
4408 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
4411 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
4415 memcpy(dst_data, src_sd->data, src_sd->size);
4419 if (pkt.dts != AV_NOPTS_VALUE)
4420 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
4421 if (pkt.pts != AV_NOPTS_VALUE)
4422 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
4424 if (pkt.pts != AV_NOPTS_VALUE)
4425 pkt.pts *= ist->ts_scale;
4426 if (pkt.dts != AV_NOPTS_VALUE)
4427 pkt.dts *= ist->ts_scale;
4429 pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
4430 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
4431 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
4432 pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
4433 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
4434 int64_t delta = pkt_dts - ifile->last_ts;
4435 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
4436 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
4437 ifile->ts_offset -= delta;
4438 av_log(NULL, AV_LOG_DEBUG,
4439 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
4440 delta, ifile->ts_offset);
4441 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4442 if (pkt.pts != AV_NOPTS_VALUE)
4443 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4447 duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
4448 if (pkt.pts != AV_NOPTS_VALUE) {
4449 pkt.pts += duration;
4450 ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
4451 ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
4454 if (pkt.dts != AV_NOPTS_VALUE)
4455 pkt.dts += duration;
4457 pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
4459 if (copy_ts && pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
4460 (is->iformat->flags & AVFMT_TS_DISCONT) && ist->st->pts_wrap_bits < 60) {
4461 int64_t wrap_dts = av_rescale_q_rnd(pkt.dts + (1LL<<ist->st->pts_wrap_bits),
4462 ist->st->time_base, AV_TIME_BASE_Q,
4463 AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
4464 if (FFABS(wrap_dts - ist->next_dts) < FFABS(pkt_dts - ist->next_dts)/10)
4465 disable_discontinuity_correction = 0;
4468 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
4469 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
4470 pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
4471 !disable_discontinuity_correction) {
4472 int64_t delta = pkt_dts - ist->next_dts;
4473 if (is->iformat->flags & AVFMT_TS_DISCONT) {
4474 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
4475 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
4476 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
4477 ifile->ts_offset -= delta;
4478 av_log(NULL, AV_LOG_DEBUG,
4479 "timestamp discontinuity for stream #%d:%d "
4480 "(id=%d, type=%s): %"PRId64", new offset= %"PRId64"\n",
4481 ist->file_index, ist->st->index, ist->st->id,
4482 av_get_media_type_string(ist->dec_ctx->codec_type),
4483 delta, ifile->ts_offset);
4484 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4485 if (pkt.pts != AV_NOPTS_VALUE)
4486 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
4489 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
4490 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
4491 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
4492 pkt.dts = AV_NOPTS_VALUE;
4494 if (pkt.pts != AV_NOPTS_VALUE){
4495 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
4496 delta = pkt_pts - ist->next_dts;
4497 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
4498 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
4499 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
4500 pkt.pts = AV_NOPTS_VALUE;
4506 if (pkt.dts != AV_NOPTS_VALUE)
4507 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
4510 av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
4511 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
4512 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
4513 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
4514 av_ts2str(input_files[ist->file_index]->ts_offset),
4515 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
4518 sub2video_heartbeat(ist, pkt.pts);
4520 process_input_packet(ist, &pkt, 0);
4523 av_packet_unref(&pkt);
4529 * Perform a step of transcoding for the specified filter graph.
4531 * @param[in] graph filter graph to consider
4532 * @param[out] best_ist input stream where a frame would allow to continue
4533 * @return 0 for success, <0 for error
4535 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
4538 int nb_requests, nb_requests_max = 0;
4539 InputFilter *ifilter;
4543 ret = avfilter_graph_request_oldest(graph->graph);
4545 return reap_filters(0);
4547 if (ret == AVERROR_EOF) {
4548 ret = reap_filters(1);
4549 for (i = 0; i < graph->nb_outputs; i++)
4550 close_output_stream(graph->outputs[i]->ost);
4553 if (ret != AVERROR(EAGAIN))
4556 for (i = 0; i < graph->nb_inputs; i++) {
4557 ifilter = graph->inputs[i];
4559 if (input_files[ist->file_index]->eagain ||
4560 input_files[ist->file_index]->eof_reached)
4562 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
4563 if (nb_requests > nb_requests_max) {
4564 nb_requests_max = nb_requests;
4570 for (i = 0; i < graph->nb_outputs; i++)
4571 graph->outputs[i]->ost->unavailable = 1;
4577 * Run a single step of transcoding.
4579 * @return 0 for success, <0 for error
4581 static int transcode_step(void)
4584 InputStream *ist = NULL;
4587 ost = choose_output();
4594 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
4598 if (ost->filter && !ost->filter->graph->graph) {
4599 if (ifilter_has_all_input_formats(ost->filter->graph)) {
4600 ret = configure_filtergraph(ost->filter->graph);
4602 av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
4608 if (ost->filter && ost->filter->graph->graph) {
4609 if (!ost->initialized) {
4610 char error[1024] = {0};
4611 ret = init_output_stream(ost, error, sizeof(error));
4613 av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
4614 ost->file_index, ost->index, error);
4618 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
4622 } else if (ost->filter) {
4624 for (i = 0; i < ost->filter->graph->nb_inputs; i++) {
4625 InputFilter *ifilter = ost->filter->graph->inputs[i];
4626 if (!ifilter->ist->got_output && !input_files[ifilter->ist->file_index]->eof_reached) {
4632 ost->inputs_done = 1;
4636 av_assert0(ost->source_index >= 0);
4637 ist = input_streams[ost->source_index];
4640 ret = process_input(ist->file_index);
4641 if (ret == AVERROR(EAGAIN)) {
4642 if (input_files[ist->file_index]->eagain)
4643 ost->unavailable = 1;
4648 return ret == AVERROR_EOF ? 0 : ret;
4650 return reap_filters(0);
4654 * The following code is the main loop of the file converter
4656 static int transcode(void)
4659 AVFormatContext *os;
4662 int64_t timer_start;
4663 int64_t total_packets_written = 0;
4665 ret = transcode_init();
4669 if (stdin_interaction) {
4670 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
4673 timer_start = av_gettime_relative();
4676 if ((ret = init_input_threads()) < 0)
4680 while (!received_sigterm) {
4681 int64_t cur_time= av_gettime_relative();
4683 /* if 'q' pressed, exits */
4684 if (stdin_interaction)
4685 if (check_keyboard_interaction(cur_time) < 0)
4688 /* check if there's any stream where output is still needed */
4689 if (!need_output()) {
4690 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
4694 ret = transcode_step();
4695 if (ret < 0 && ret != AVERROR_EOF) {
4696 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", av_err2str(ret));
4700 /* dump report by using the output first video and audio streams */
4701 print_report(0, timer_start, cur_time);
4704 free_input_threads();
4707 /* at the end of stream, we must flush the decoder buffers */
4708 for (i = 0; i < nb_input_streams; i++) {
4709 ist = input_streams[i];
4710 if (!input_files[ist->file_index]->eof_reached) {
4711 process_input_packet(ist, NULL, 0);
4718 /* write the trailer if needed and close file */
4719 for (i = 0; i < nb_output_files; i++) {
4720 os = output_files[i]->ctx;
4721 if (!output_files[i]->header_written) {
4722 av_log(NULL, AV_LOG_ERROR,
4723 "Nothing was written into output file %d (%s), because "
4724 "at least one of its streams received no packets.\n",
4728 if ((ret = av_write_trailer(os)) < 0) {
4729 av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s\n", os->url, av_err2str(ret));
4735 /* dump report by using the first video and audio streams */
4736 print_report(1, timer_start, av_gettime_relative());
4738 /* close each encoder */
4739 for (i = 0; i < nb_output_streams; i++) {
4740 ost = output_streams[i];
4741 if (ost->encoding_needed) {
4742 av_freep(&ost->enc_ctx->stats_in);
4744 total_packets_written += ost->packets_written;
4747 if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
4748 av_log(NULL, AV_LOG_FATAL, "Empty output\n");
4752 /* close each decoder */
4753 for (i = 0; i < nb_input_streams; i++) {
4754 ist = input_streams[i];
4755 if (ist->decoding_needed) {
4756 avcodec_close(ist->dec_ctx);
4757 if (ist->hwaccel_uninit)
4758 ist->hwaccel_uninit(ist->dec_ctx);
4762 hw_device_free_all();
4769 free_input_threads();
4772 if (output_streams) {
4773 for (i = 0; i < nb_output_streams; i++) {
4774 ost = output_streams[i];
4777 if (fclose(ost->logfile))
4778 av_log(NULL, AV_LOG_ERROR,
4779 "Error closing logfile, loss of information possible: %s\n",
4780 av_err2str(AVERROR(errno)));
4781 ost->logfile = NULL;
4783 av_freep(&ost->forced_kf_pts);
4784 av_freep(&ost->apad);
4785 av_freep(&ost->disposition);
4786 av_dict_free(&ost->encoder_opts);
4787 av_dict_free(&ost->sws_dict);
4788 av_dict_free(&ost->swr_opts);
4789 av_dict_free(&ost->resample_opts);
4796 static BenchmarkTimeStamps get_benchmark_time_stamps(void)
4798 BenchmarkTimeStamps time_stamps = { av_gettime_relative() };
4800 struct rusage rusage;
4802 getrusage(RUSAGE_SELF, &rusage);
4803 time_stamps.user_usec =
4804 (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4805 time_stamps.sys_usec =
4806 (rusage.ru_stime.tv_sec * 1000000LL) + rusage.ru_stime.tv_usec;
4807 #elif HAVE_GETPROCESSTIMES
4809 FILETIME c, e, k, u;
4810 proc = GetCurrentProcess();
4811 GetProcessTimes(proc, &c, &e, &k, &u);
4812 time_stamps.user_usec =
4813 ((int64_t)u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4814 time_stamps.sys_usec =
4815 ((int64_t)k.dwHighDateTime << 32 | k.dwLowDateTime) / 10;
4817 time_stamps.user_usec = time_stamps.sys_usec = 0;
4822 static int64_t getmaxrss(void)
4824 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4825 struct rusage rusage;
4826 getrusage(RUSAGE_SELF, &rusage);
4827 return (int64_t)rusage.ru_maxrss * 1024;
4828 #elif HAVE_GETPROCESSMEMORYINFO
4830 PROCESS_MEMORY_COUNTERS memcounters;
4831 proc = GetCurrentProcess();
4832 memcounters.cb = sizeof(memcounters);
4833 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4834 return memcounters.PeakPagefileUsage;
4840 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4844 int main(int argc, char **argv)
4847 BenchmarkTimeStamps ti;
4851 register_exit(ffmpeg_cleanup);
4853 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
4855 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4856 parse_loglevel(argc, argv, options);
4858 if(argc>1 && !strcmp(argv[1], "-d")){
4860 av_log_set_callback(log_callback_null);
4866 avdevice_register_all();
4868 avformat_network_init();
4870 show_banner(argc, argv, options);
4872 /* parse options and open all input/output files */
4873 ret = ffmpeg_parse_options(argc, argv);
4877 if (nb_output_files <= 0 && nb_input_files == 0) {
4879 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4883 /* file converter / grab */
4884 if (nb_output_files <= 0) {
4885 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4889 for (i = 0; i < nb_output_files; i++) {
4890 if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
4894 current_time = ti = get_benchmark_time_stamps();
4895 if (transcode() < 0)
4898 int64_t utime, stime, rtime;
4899 current_time = get_benchmark_time_stamps();
4900 utime = current_time.user_usec - ti.user_usec;
4901 stime = current_time.sys_usec - ti.sys_usec;
4902 rtime = current_time.real_usec - ti.real_usec;
4903 av_log(NULL, AV_LOG_INFO,
4904 "bench: utime=%0.3fs stime=%0.3fs rtime=%0.3fs\n",
4905 utime / 1000000.0, stime / 1000000.0, rtime / 1000000.0);
4907 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4908 decode_error_stat[0], decode_error_stat[1]);
4909 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4912 exit_program(received_nb_signals ? 255 : main_return_code);
4913 return main_return_code;