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
35 #include "libavformat/avformat.h"
36 #include "libavdevice/avdevice.h"
37 #include "libswscale/swscale.h"
38 #include "libavutil/opt.h"
39 #include "libavcodec/audioconvert.h"
40 #include "libavutil/audioconvert.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/samplefmt.h"
43 #include "libavutil/colorspace.h"
44 #include "libavutil/fifo.h"
45 #include "libavutil/intreadwrite.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/pixdesc.h"
49 #include "libavutil/avstring.h"
50 #include "libavutil/libm.h"
51 #include "libavutil/imgutils.h"
52 #include "libavutil/timestamp.h"
53 #include "libavformat/os_support.h"
54 #include "libswresample/swresample.h"
56 #include "libavformat/ffm.h" // not public API
59 # include "libavfilter/avcodec.h"
60 # include "libavfilter/avfilter.h"
61 # include "libavfilter/avfiltergraph.h"
62 # include "libavfilter/buffersink.h"
63 # include "libavfilter/buffersrc.h"
64 # include "libavfilter/vsrc_buffer.h"
67 #if HAVE_SYS_RESOURCE_H
68 #include <sys/types.h>
70 #include <sys/resource.h>
71 #elif HAVE_GETPROCESSTIMES
74 #if HAVE_GETPROCESSMEMORYINFO
80 #include <sys/select.h>
85 #include <sys/ioctl.h>
95 #include "libavutil/avassert.h"
98 #define VSYNC_PASSTHROUGH 0
101 #define VSYNC_DROP 0xff
103 const char program_name[] = "ffmpeg";
104 const int program_birth_year = 2000;
106 /* select an input stream for an output stream */
107 typedef struct StreamMap {
108 int disabled; /** 1 is this mapping is disabled by a negative map */
112 int sync_stream_index;
116 int file_idx, stream_idx, channel_idx; // input
117 int ofile_idx, ostream_idx; // output
121 * select an input file for an output file
123 typedef struct MetadataMap {
124 int file; ///< file index
125 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
126 int index; ///< stream/chapter/program number
129 static const OptionDef options[];
131 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
133 static int frame_bits_per_raw_sample = 0;
134 static int video_discard = 0;
135 static int same_quant = 0;
136 static int do_deinterlace = 0;
137 static int intra_dc_precision = 8;
138 static int qp_hist = 0;
139 static int intra_only = 0;
140 static const char *video_codec_name = NULL;
141 static const char *audio_codec_name = NULL;
142 static const char *subtitle_codec_name = NULL;
144 static int file_overwrite = 0;
145 static int no_file_overwrite = 0;
146 static int do_benchmark = 0;
147 static int do_hex_dump = 0;
148 static int do_pkt_dump = 0;
149 static int do_psnr = 0;
150 static int do_pass = 0;
151 static const char *pass_logfilename_prefix;
152 static int video_sync_method = VSYNC_AUTO;
153 static int audio_sync_method = 0;
154 static float audio_drift_threshold = 0.1;
155 static int copy_ts = 0;
156 static int copy_tb = -1;
157 static int opt_shortest = 0;
158 static char *vstats_filename;
159 static FILE *vstats_file;
161 static int audio_volume = 256;
163 static int exit_on_error = 0;
164 static int using_stdin = 0;
165 static int run_as_daemon = 0;
166 static volatile int received_nb_signals = 0;
167 static int64_t video_size = 0;
168 static int64_t audio_size = 0;
169 static int64_t extra_size = 0;
170 static int nb_frames_dup = 0;
171 static int nb_frames_drop = 0;
172 static int input_sync;
174 static float dts_delta_threshold = 10;
175 static float dts_error_threshold = 3600*30;
177 static int print_stats = 1;
178 static int debug_ts = 0;
180 static uint8_t *audio_buf;
181 static unsigned int allocated_audio_buf_size;
183 static uint8_t *input_tmp= NULL;
185 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
187 typedef struct FrameBuffer {
193 enum PixelFormat pix_fmt;
196 struct InputStream *ist;
197 struct FrameBuffer *next;
200 typedef struct InputStream {
203 int discard; /* true if stream data should be discarded */
204 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
206 AVFrame *decoded_frame;
207 AVFrame *filtered_frame;
209 int64_t start; /* time when read started */
210 /* predicted dts of the next packet read for this stream or (when there are
211 * several frames in a packet) of the next frame in current packet */
213 /* dts of the last packet read for this stream */
216 int64_t next_pts; ///< synthetic pts for the next decode frame
217 int64_t pts; ///< current pts of the decoded frame
219 int is_start; /* is 1 at the start and after a discontinuity */
220 int showed_multi_packet_warning;
223 /* a pool of free buffers for decoded data */
224 FrameBuffer *buffer_pool;
228 typedef struct InputFile {
229 AVFormatContext *ctx;
230 int eof_reached; /* true if eof reached */
231 int ist_index; /* index of first stream in input_streams */
232 int buffer_size; /* current total buffer size */
234 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
235 from ctx.nb_streams if new streams appear during av_read_frame() */
239 typedef struct OutputStream {
240 int file_index; /* file index */
241 int index; /* stream index in the output file */
242 int source_index; /* InputStream index */
243 AVStream *st; /* stream in the output file */
244 int encoding_needed; /* true if encoding needed for this stream */
246 /* input pts and corresponding output pts
248 struct InputStream *sync_ist; /* input stream to sync against */
249 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
250 AVBitStreamFilterContext *bitstream_filters;
253 AVFrame *output_frame;
257 AVFrame resample_frame; /* temporary frame for image resampling */
258 struct SwsContext *img_resample_ctx; /* for image resampling */
261 int resample_pix_fmt;
262 AVRational frame_rate;
266 float frame_aspect_ratio;
268 /* forced key frames */
269 int64_t *forced_kf_pts;
275 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
276 int audio_channels_mapped; ///< number of channels in audio_channels_map
277 int resample_sample_fmt;
278 int resample_channels;
279 int resample_sample_rate;
280 float rematrix_volume;
281 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
284 struct SwrContext *swr;
287 AVFilterContext *output_video_filter;
288 AVFilterContext *input_video_filter;
289 AVFilterBufferRef *picref;
291 AVFilterGraph *graph;
296 int is_past_recording_time;
298 const char *attachment_filename;
299 int copy_initial_nonkeyframes;
305 /* init terminal so that we can grab keys */
306 static struct termios oldtty;
307 static int restore_tty;
310 typedef struct OutputFile {
311 AVFormatContext *ctx;
313 int ost_index; /* index of the first stream in output_streams */
314 int64_t recording_time; /* desired length of the resulting file in microseconds */
315 int64_t start_time; /* start time in microseconds */
316 uint64_t limit_filesize; /* filesize limit expressed in bytes */
319 static InputStream *input_streams = NULL;
320 static int nb_input_streams = 0;
321 static InputFile *input_files = NULL;
322 static int nb_input_files = 0;
324 static OutputStream *output_streams = NULL;
325 static int nb_output_streams = 0;
326 static OutputFile *output_files = NULL;
327 static int nb_output_files = 0;
329 typedef struct OptionsContext {
330 /* input/output options */
334 SpecifierOpt *codec_names;
336 SpecifierOpt *audio_channels;
337 int nb_audio_channels;
338 SpecifierOpt *audio_sample_rate;
339 int nb_audio_sample_rate;
340 SpecifierOpt *rematrix_volume;
341 int nb_rematrix_volume;
342 SpecifierOpt *frame_rates;
344 SpecifierOpt *frame_sizes;
346 SpecifierOpt *frame_pix_fmts;
347 int nb_frame_pix_fmts;
350 int64_t input_ts_offset;
353 SpecifierOpt *ts_scale;
355 SpecifierOpt *dump_attachment;
356 int nb_dump_attachment;
359 StreamMap *stream_maps;
361 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
362 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
363 /* first item specifies output metadata, second is input */
364 MetadataMap (*meta_data_maps)[2];
365 int nb_meta_data_maps;
366 int metadata_global_manual;
367 int metadata_streams_manual;
368 int metadata_chapters_manual;
369 const char **attachments;
372 int chapters_input_file;
374 int64_t recording_time;
375 uint64_t limit_filesize;
381 int subtitle_disable;
384 /* indexed by output file stream index */
388 SpecifierOpt *metadata;
390 SpecifierOpt *max_frames;
392 SpecifierOpt *bitstream_filters;
393 int nb_bitstream_filters;
394 SpecifierOpt *codec_tags;
396 SpecifierOpt *sample_fmts;
398 SpecifierOpt *qscale;
400 SpecifierOpt *forced_key_frames;
401 int nb_forced_key_frames;
402 SpecifierOpt *force_fps;
404 SpecifierOpt *frame_aspect_ratios;
405 int nb_frame_aspect_ratios;
406 SpecifierOpt *rc_overrides;
408 SpecifierOpt *intra_matrices;
409 int nb_intra_matrices;
410 SpecifierOpt *inter_matrices;
411 int nb_inter_matrices;
412 SpecifierOpt *top_field_first;
413 int nb_top_field_first;
414 SpecifierOpt *metadata_map;
416 SpecifierOpt *presets;
418 SpecifierOpt *copy_initial_nonkeyframes;
419 int nb_copy_initial_nonkeyframes;
421 SpecifierOpt *filters;
426 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
429 for (i = 0; i < o->nb_ ## name; i++) {\
430 char *spec = o->name[i].specifier;\
431 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
432 outvar = o->name[i].u.type;\
438 static void reset_options(OptionsContext *o, int is_input)
440 const OptionDef *po = options;
441 OptionsContext bak= *o;
443 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
445 void *dst = (uint8_t*)o + po->u.off;
447 if (po->flags & OPT_SPEC) {
448 SpecifierOpt **so = dst;
449 int i, *count = (int*)(so + 1);
450 for (i = 0; i < *count; i++) {
451 av_freep(&(*so)[i].specifier);
452 if (po->flags & OPT_STRING)
453 av_freep(&(*so)[i].u.str);
457 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
462 av_freep(&o->stream_maps);
463 av_freep(&o->audio_channel_maps);
464 av_freep(&o->meta_data_maps);
465 av_freep(&o->streamid_map);
467 memset(o, 0, sizeof(*o));
469 if(is_input) o->recording_time = bak.recording_time;
470 else o->recording_time = INT64_MAX;
471 o->mux_max_delay = 0.7;
472 o->limit_filesize = UINT64_MAX;
473 o->chapters_input_file = INT_MAX;
479 static int alloc_buffer(AVCodecContext *s, InputStream *ist, FrameBuffer **pbuf)
481 FrameBuffer *buf = av_mallocz(sizeof(*buf));
483 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
484 int h_chroma_shift, v_chroma_shift;
485 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
486 int w = s->width, h = s->height;
489 return AVERROR(ENOMEM);
491 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
496 avcodec_align_dimensions(s, &w, &h);
497 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
498 s->pix_fmt, 32)) < 0) {
502 /* XXX this shouldn't be needed, but some tests break without this line
503 * those decoders are buggy and need to be fixed.
504 * the following tests fail:
505 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
507 memset(buf->base[0], 128, ret);
509 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
510 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
511 const int h_shift = i==0 ? 0 : h_chroma_shift;
512 const int v_shift = i==0 ? 0 : v_chroma_shift;
513 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1])
514 buf->data[i] = buf->base[i];
516 buf->data[i] = buf->base[i] +
517 FFALIGN((buf->linesize[i]*edge >> v_shift) +
518 (pixel_size*edge >> h_shift), 32);
522 buf->pix_fmt = s->pix_fmt;
529 static void free_buffer_pool(InputStream *ist)
531 FrameBuffer *buf = ist->buffer_pool;
533 ist->buffer_pool = buf->next;
534 av_freep(&buf->base[0]);
536 buf = ist->buffer_pool;
540 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
542 av_assert0(buf->refcount);
544 if (!buf->refcount) {
545 buf->next = ist->buffer_pool;
546 ist->buffer_pool = buf;
550 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
552 InputStream *ist = s->opaque;
556 if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0)
559 if (!ist->buffer_pool && (ret = alloc_buffer(s, ist, &ist->buffer_pool)) < 0)
562 buf = ist->buffer_pool;
563 ist->buffer_pool = buf->next;
565 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
566 av_freep(&buf->base[0]);
569 if ((ret = alloc_buffer(s, ist, &buf)) < 0)
575 frame->type = FF_BUFFER_TYPE_USER;
576 frame->extended_data = frame->data;
577 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
579 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
580 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
581 frame->data[i] = buf->data[i];
582 frame->linesize[i] = buf->linesize[i];
588 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
590 InputStream *ist = s->opaque;
591 FrameBuffer *buf = frame->opaque;
594 if(frame->type!=FF_BUFFER_TYPE_USER)
595 return avcodec_default_release_buffer(s, frame);
597 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
598 frame->data[i] = NULL;
600 unref_buffer(ist, buf);
603 static void filter_release_buffer(AVFilterBuffer *fb)
605 FrameBuffer *buf = fb->priv;
607 unref_buffer(buf->ist, buf);
612 static int configure_video_filters(InputStream *ist, OutputStream *ost)
614 AVFilterContext *last_filter, *filter;
615 /** filter graph containing all filters including input & output */
616 AVCodecContext *codec = ost->st->codec;
617 AVCodecContext *icodec = ist->st->codec;
618 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
619 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
620 AVRational sample_aspect_ratio;
624 ost->graph = avfilter_graph_alloc();
626 return AVERROR(ENOMEM);
628 if (ist->st->sample_aspect_ratio.num) {
629 sample_aspect_ratio = ist->st->sample_aspect_ratio;
631 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
633 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
634 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
635 sample_aspect_ratio.num, sample_aspect_ratio.den);
637 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
638 "src", args, NULL, ost->graph);
642 #if FF_API_OLD_VSINK_API
643 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
644 "out", NULL, pix_fmts, ost->graph);
646 buffersink_params->pixel_fmts = pix_fmts;
647 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
648 "out", NULL, buffersink_params, ost->graph);
650 av_freep(&buffersink_params);
654 last_filter = ost->input_video_filter;
656 if (codec->width != icodec->width || codec->height != icodec->height) {
657 snprintf(args, 255, "%d:%d:flags=0x%X",
660 (unsigned)ost->sws_flags);
661 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
662 NULL, args, NULL, ost->graph)) < 0)
664 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
666 last_filter = filter;
669 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
670 ost->graph->scale_sws_opts = av_strdup(args);
673 AVFilterInOut *outputs = avfilter_inout_alloc();
674 AVFilterInOut *inputs = avfilter_inout_alloc();
676 outputs->name = av_strdup("in");
677 outputs->filter_ctx = last_filter;
678 outputs->pad_idx = 0;
679 outputs->next = NULL;
681 inputs->name = av_strdup("out");
682 inputs->filter_ctx = ost->output_video_filter;
686 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
688 av_freep(&ost->avfilter);
690 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
694 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
697 codec->width = ost->output_video_filter->inputs[0]->w;
698 codec->height = ost->output_video_filter->inputs[0]->h;
699 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
700 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
701 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
702 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
706 #endif /* CONFIG_AVFILTER */
708 static void term_exit(void)
710 av_log(NULL, AV_LOG_QUIET, "%s", "");
713 tcsetattr (0, TCSANOW, &oldtty);
717 static volatile int received_sigterm = 0;
719 static void sigterm_handler(int sig)
721 received_sigterm = sig;
722 received_nb_signals++;
724 if(received_nb_signals > 3)
728 static void term_init(void)
734 if (tcgetattr (0, &tty) == 0) {
739 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
740 |INLCR|IGNCR|ICRNL|IXON);
741 tty.c_oflag |= OPOST;
742 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
743 tty.c_cflag &= ~(CSIZE|PARENB);
748 tcsetattr (0, TCSANOW, &tty);
750 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
753 avformat_network_deinit();
755 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
756 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
758 signal(SIGXCPU, sigterm_handler);
762 /* read a key without blocking */
763 static int read_key(void)
775 n = select(1, &rfds, NULL, NULL, &tv);
784 # if HAVE_PEEKNAMEDPIPE
786 static HANDLE input_handle;
789 input_handle = GetStdHandle(STD_INPUT_HANDLE);
790 is_pipe = !GetConsoleMode(input_handle, &dw);
793 if (stdin->_cnt > 0) {
798 /* When running under a GUI, you will end here. */
799 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
816 static int decode_interrupt_cb(void *ctx)
818 return received_nb_signals > 1;
821 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
823 void av_noreturn exit_program(int ret)
828 for (i = 0; i < nb_output_files; i++) {
829 AVFormatContext *s = output_files[i].ctx;
830 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
832 avformat_free_context(s);
833 av_dict_free(&output_files[i].opts);
835 for (i = 0; i < nb_output_streams; i++) {
836 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
838 AVBitStreamFilterContext *next = bsfc->next;
839 av_bitstream_filter_close(bsfc);
842 output_streams[i].bitstream_filters = NULL;
844 if (output_streams[i].output_frame) {
845 AVFrame *frame = output_streams[i].output_frame;
846 if (frame->extended_data != frame->data)
847 av_freep(&frame->extended_data);
851 for (i = 0; i < nb_input_files; i++) {
852 avformat_close_input(&input_files[i].ctx);
854 for (i = 0; i < nb_input_streams; i++) {
855 av_freep(&input_streams[i].decoded_frame);
856 av_freep(&input_streams[i].filtered_frame);
857 av_dict_free(&input_streams[i].opts);
858 free_buffer_pool(&input_streams[i]);
863 av_free(vstats_filename);
865 av_freep(&input_streams);
866 av_freep(&input_files);
867 av_freep(&output_streams);
868 av_freep(&output_files);
872 allocated_audio_buf_size = 0;
877 avformat_network_deinit();
879 av_freep(&input_tmp);
881 if (received_sigterm) {
882 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
883 (int) received_sigterm);
887 exit(ret); /* not all OS-es handle main() return value */
890 static void assert_avoptions(AVDictionary *m)
892 AVDictionaryEntry *t;
893 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
894 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
899 static void assert_codec_experimental(AVCodecContext *c, int encoder)
901 const char *codec_string = encoder ? "encoder" : "decoder";
903 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
904 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
905 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
906 "results.\nAdd '-strict experimental' if you want to use it.\n",
907 codec_string, c->codec->name);
908 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
909 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
910 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
911 codec_string, codec->name);
916 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
918 if (codec && codec->sample_fmts) {
919 const enum AVSampleFormat *p = codec->sample_fmts;
920 for (; *p != -1; p++) {
921 if (*p == st->codec->sample_fmt)
925 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
926 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
927 if(av_get_sample_fmt_name(st->codec->sample_fmt))
928 av_log(NULL, AV_LOG_WARNING,
929 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
930 av_get_sample_fmt_name(st->codec->sample_fmt),
932 av_get_sample_fmt_name(codec->sample_fmts[0]));
933 st->codec->sample_fmt = codec->sample_fmts[0];
938 static void choose_sample_rate(AVStream *st, AVCodec *codec)
940 if (codec && codec->supported_samplerates) {
941 const int *p = codec->supported_samplerates;
943 int best_dist = INT_MAX;
945 int dist = abs(st->codec->sample_rate - *p);
946 if (dist < best_dist) {
952 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
954 st->codec->sample_rate = best;
958 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
960 if (codec && codec->pix_fmts) {
961 const enum PixelFormat *p = codec->pix_fmts;
962 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
963 enum PixelFormat best= PIX_FMT_NONE;
964 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
965 if (st->codec->codec_id == CODEC_ID_MJPEG) {
966 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
967 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
968 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
969 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
972 for (; *p != PIX_FMT_NONE; p++) {
973 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
974 if (*p == st->codec->pix_fmt)
977 if (*p == PIX_FMT_NONE) {
978 if (st->codec->pix_fmt != PIX_FMT_NONE)
979 av_log(NULL, AV_LOG_WARNING,
980 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
981 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
983 av_pix_fmt_descriptors[best].name);
984 st->codec->pix_fmt = best;
990 get_sync_ipts(const OutputStream *ost, int64_t pts)
992 OutputFile *of = &output_files[ost->file_index];
993 return (double)(pts - of->start_time) / AV_TIME_BASE;
996 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
998 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
999 AVCodecContext *avctx = ost->st->codec;
1003 * Audio encoders may split the packets -- #frames in != #packets out.
1004 * But there is no reordering, so we can limit the number of output packets
1005 * by simply dropping them here.
1006 * Counting encoded video frames needs to be done separately because of
1007 * reordering, see do_video_out()
1009 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1010 if (ost->frame_number >= ost->max_frames) {
1011 av_free_packet(pkt);
1014 ost->frame_number++;
1018 AVPacket new_pkt = *pkt;
1019 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1020 &new_pkt.data, &new_pkt.size,
1021 pkt->data, pkt->size,
1022 pkt->flags & AV_PKT_FLAG_KEY);
1024 av_free_packet(pkt);
1025 new_pkt.destruct = av_destruct_packet;
1027 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1028 bsfc->filter->name, pkt->stream_index,
1029 avctx->codec ? avctx->codec->name : "copy");
1039 pkt->stream_index = ost->index;
1040 ret = av_interleaved_write_frame(s, pkt);
1042 print_error("av_interleaved_write_frame()", ret);
1047 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1049 int fill_char = 0x00;
1050 if (sample_fmt == AV_SAMPLE_FMT_U8)
1052 memset(buf, fill_char, size);
1055 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1056 const uint8_t *buf, int buf_size)
1058 AVCodecContext *enc = ost->st->codec;
1059 AVFrame *frame = NULL;
1061 int ret, got_packet;
1063 av_init_packet(&pkt);
1068 if (!ost->output_frame) {
1069 ost->output_frame = avcodec_alloc_frame();
1070 if (!ost->output_frame) {
1071 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1075 frame = ost->output_frame;
1076 if (frame->extended_data != frame->data)
1077 av_freep(&frame->extended_data);
1078 avcodec_get_frame_defaults(frame);
1080 frame->nb_samples = buf_size /
1081 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1082 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1083 buf, buf_size, 1)) < 0) {
1084 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1088 frame->pts = ost->sync_opts;
1089 ost->sync_opts += frame->nb_samples;
1093 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1094 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1101 if (pkt.pts != AV_NOPTS_VALUE)
1102 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1103 if (pkt.dts != AV_NOPTS_VALUE)
1104 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1105 if (pkt.duration > 0)
1106 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1108 write_frame(s, &pkt, ost);
1110 audio_size += pkt.size;
1112 av_free_packet(&pkt);
1116 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1117 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1118 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1119 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1125 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1126 InputStream *ist, AVFrame *decoded_frame)
1129 int64_t audio_buf_size, size_out;
1131 int frame_bytes, resample_changed;
1132 AVCodecContext *enc = ost->st->codec;
1133 AVCodecContext *dec = ist->st->codec;
1134 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1135 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1136 uint8_t *buf[AV_NUM_DATA_POINTERS];
1137 int size = decoded_frame->nb_samples * dec->channels * isize;
1138 int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
1139 int64_t allocated_for_size = size;
1142 av_assert0(planes <= AV_NUM_DATA_POINTERS);
1144 for(i=0; i<planes; i++)
1145 buf[i]= decoded_frame->data[i];
1148 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1149 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1150 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1151 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1152 audio_buf_size *= osize * enc->channels;
1154 if (audio_buf_size > INT_MAX) {
1155 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1159 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1161 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1165 if (enc->channels != dec->channels
1166 || enc->sample_fmt != dec->sample_fmt
1167 || enc->sample_rate!= dec->sample_rate
1169 ost->audio_resample = 1;
1171 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1172 ost->resample_channels != dec->channels ||
1173 ost->resample_sample_rate != dec->sample_rate;
1175 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1176 if (resample_changed) {
1177 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
1178 ist->file_index, ist->st->index,
1179 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1180 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1181 ost->resample_sample_fmt = dec->sample_fmt;
1182 ost->resample_channels = dec->channels;
1183 ost->resample_sample_rate = dec->sample_rate;
1184 swr_free(&ost->swr);
1186 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1187 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1188 ost->resample_sample_fmt == enc->sample_fmt &&
1189 ost->resample_channels == enc->channels &&
1190 ost->resample_sample_rate == enc->sample_rate) {
1192 ost->audio_resample = 0;
1194 ost->swr = swr_alloc_set_opts(ost->swr,
1195 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1196 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1198 if (ost->audio_channels_mapped)
1199 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1200 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1201 if (ost->audio_channels_mapped) {
1202 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1203 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1205 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1206 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1209 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1210 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1213 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1214 if(ost->swr && swr_init(ost->swr) < 0){
1215 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1216 swr_free(&ost->swr);
1220 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1221 dec->channels, dec->sample_rate,
1222 enc->channels, enc->sample_rate);
1228 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1230 if (audio_sync_method) {
1231 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1232 av_fifo_size(ost->fifo) / (enc->channels * osize);
1233 int idelta = delta * dec->sample_rate / enc->sample_rate;
1234 int byte_delta = idelta * isize * dec->channels;
1236 // FIXME resample delay
1237 if (fabs(delta) > 50) {
1238 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1239 if (byte_delta < 0) {
1240 byte_delta = FFMAX(byte_delta, -size);
1242 for (i=0; i<planes; i++)
1243 buf[i] -= byte_delta/planes;
1244 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1245 -byte_delta / (isize * dec->channels));
1250 input_tmp = av_realloc(input_tmp, byte_delta + size);
1252 if (byte_delta > allocated_for_size - size) {
1253 allocated_for_size = byte_delta + (int64_t)size;
1258 for (i=0; i<planes; i++) {
1259 uint8_t *t = input_tmp + i*((byte_delta + size)/planes);
1260 generate_silence(t, dec->sample_fmt, byte_delta/planes);
1261 memcpy(t + byte_delta/planes, buf[i], size/planes);
1265 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1267 } else if (audio_sync_method > 1) {
1268 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1269 av_assert0(ost->audio_resample);
1270 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1271 delta, comp, enc->sample_rate);
1272 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
1273 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1277 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1278 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1280 if (ost->audio_resample || ost->audio_channels_mapped) {
1282 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1283 buf, size / (dec->channels * isize));
1285 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1288 size_out = size_out * enc->channels * osize;
1294 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1296 /* now encode as many frames as possible */
1297 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1298 /* output resampled raw samples */
1299 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1300 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1303 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1305 frame_bytes = enc->frame_size * osize * enc->channels;
1307 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1308 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1309 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1312 encode_audio_frame(s, ost, buftmp, size_out);
1316 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1318 AVCodecContext *dec;
1319 AVPicture *picture2;
1320 AVPicture picture_tmp;
1323 dec = ist->st->codec;
1325 /* deinterlace : must be done before any resize */
1326 if (do_deinterlace) {
1329 /* create temporary picture */
1330 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1331 buf = av_malloc(size);
1335 picture2 = &picture_tmp;
1336 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1338 if (avpicture_deinterlace(picture2, picture,
1339 dec->pix_fmt, dec->width, dec->height) < 0) {
1340 /* if error, do not deinterlace */
1341 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1350 if (picture != picture2)
1351 *picture = *picture2;
1355 static void do_subtitle_out(AVFormatContext *s,
1361 static uint8_t *subtitle_out = NULL;
1362 int subtitle_out_max_size = 1024 * 1024;
1363 int subtitle_out_size, nb, i;
1364 AVCodecContext *enc;
1367 if (pts == AV_NOPTS_VALUE) {
1368 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1374 enc = ost->st->codec;
1376 if (!subtitle_out) {
1377 subtitle_out = av_malloc(subtitle_out_max_size);
1380 /* Note: DVB subtitle need one packet to draw them and one other
1381 packet to clear them */
1382 /* XXX: signal it in the codec context ? */
1383 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1388 for (i = 0; i < nb; i++) {
1389 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1391 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1392 // start_display_time is required to be 0
1393 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1394 sub->end_display_time -= sub->start_display_time;
1395 sub->start_display_time = 0;
1396 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1397 subtitle_out_max_size, sub);
1398 if (subtitle_out_size < 0) {
1399 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1403 av_init_packet(&pkt);
1404 pkt.data = subtitle_out;
1405 pkt.size = subtitle_out_size;
1406 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1407 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1408 /* XXX: the pts correction is handled here. Maybe handling
1409 it in the codec would be better */
1411 pkt.pts += 90 * sub->start_display_time;
1413 pkt.pts += 90 * sub->end_display_time;
1415 write_frame(s, &pkt, ost);
1419 static void do_video_resample(OutputStream *ost,
1421 AVFrame *in_picture,
1422 AVFrame **out_picture)
1425 *out_picture = in_picture;
1427 AVCodecContext *dec = ist->st->codec;
1428 AVCodecContext *enc = ost->st->codec;
1429 int resample_changed = ost->resample_width != in_picture->width ||
1430 ost->resample_height != in_picture->height ||
1431 ost->resample_pix_fmt != in_picture->format;
1433 *out_picture = in_picture;
1434 if (resample_changed) {
1435 av_log(NULL, AV_LOG_INFO,
1436 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s / frm size:%dx%d fmt:%s\n",
1437 ist->file_index, ist->st->index,
1438 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1439 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1440 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1441 ost->resample_width = in_picture->width;
1442 ost->resample_height = in_picture->height;
1443 ost->resample_pix_fmt = in_picture->format;
1446 ost->video_resample = in_picture->width != enc->width ||
1447 in_picture->height != enc->height ||
1448 in_picture->format != enc->pix_fmt;
1450 if (ost->video_resample) {
1451 *out_picture = &ost->resample_frame;
1452 if (!ost->img_resample_ctx || resample_changed) {
1453 /* initialize the destination picture */
1454 if (!ost->resample_frame.data[0]) {
1455 avcodec_get_frame_defaults(&ost->resample_frame);
1456 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1457 enc->width, enc->height)) {
1458 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1462 /* initialize a new scaler context */
1463 sws_freeContext(ost->img_resample_ctx);
1464 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1465 enc->width, enc->height, enc->pix_fmt,
1466 ost->sws_flags, NULL, NULL, NULL);
1467 if (ost->img_resample_ctx == NULL) {
1468 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1472 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1473 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1478 static double psnr(double d)
1480 return -10.0 * log(d) / log(10.0);
1483 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1486 AVCodecContext *enc;
1488 double ti1, bitrate, avg_bitrate;
1490 /* this is executed just the first time do_video_stats is called */
1492 vstats_file = fopen(vstats_filename, "w");
1499 enc = ost->st->codec;
1500 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1501 frame_number = ost->frame_number;
1502 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1503 if (enc->flags&CODEC_FLAG_PSNR)
1504 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1506 fprintf(vstats_file,"f_size= %6d ", frame_size);
1507 /* compute pts value */
1508 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1512 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1513 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1514 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1515 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1516 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1521 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1522 InputStream *ist, AVFrame *in_picture)
1524 int nb_frames, i, ret, format_video_sync;
1525 AVFrame *final_picture;
1526 AVCodecContext *enc;
1527 double sync_ipts, delta;
1528 double duration = 0;
1530 float quality = same_quant ? in_picture->quality
1531 : ost->st->codec->global_quality;
1533 enc = ost->st->codec;
1535 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1536 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1537 if(ist->st->avg_frame_rate.num)
1538 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1540 duration /= av_q2d(enc->time_base);
1543 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1544 delta = sync_ipts - ost->sync_opts + duration;
1546 /* by default, we output a single frame */
1549 format_video_sync = video_sync_method;
1550 if (format_video_sync == VSYNC_AUTO)
1551 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1553 switch (format_video_sync) {
1555 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1558 else if (delta > 1.1)
1559 nb_frames = lrintf(delta);
1564 else if (delta > 0.6)
1565 ost->sync_opts = lrintf(sync_ipts);
1568 case VSYNC_PASSTHROUGH:
1569 ost->sync_opts = lrintf(sync_ipts);
1575 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1576 if (nb_frames == 0) {
1578 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1580 } else if (nb_frames > 1) {
1581 nb_frames_dup += nb_frames - 1;
1582 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1585 do_video_resample(ost, ist, in_picture, &final_picture);
1587 /* duplicates frame if needed */
1588 for (i = 0; i < nb_frames; i++) {
1590 av_init_packet(&pkt);
1594 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1595 enc->codec->id == CODEC_ID_RAWVIDEO) {
1596 /* raw pictures are written as AVPicture structure to
1597 avoid any copies. We support temporarily the older
1599 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1600 enc->coded_frame->top_field_first = in_picture->top_field_first;
1601 pkt.data = (uint8_t *)final_picture;
1602 pkt.size = sizeof(AVPicture);
1603 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1604 pkt.flags |= AV_PKT_FLAG_KEY;
1606 write_frame(s, &pkt, ost);
1609 AVFrame big_picture;
1611 big_picture = *final_picture;
1612 /* better than nothing: use input picture interlaced
1614 big_picture.interlaced_frame = in_picture->interlaced_frame;
1615 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1616 if (ost->top_field_first == -1)
1617 big_picture.top_field_first = in_picture->top_field_first;
1619 big_picture.top_field_first = !!ost->top_field_first;
1622 /* handles same_quant here. This is not correct because it may
1623 not be a global option */
1624 big_picture.quality = quality;
1625 if (!enc->me_threshold)
1626 big_picture.pict_type = 0;
1627 big_picture.pts = ost->sync_opts;
1628 if (ost->forced_kf_index < ost->forced_kf_count &&
1629 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1630 big_picture.pict_type = AV_PICTURE_TYPE_I;
1631 ost->forced_kf_index++;
1633 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1635 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1640 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1641 pkt.pts = ost->sync_opts;
1643 if (pkt.pts != AV_NOPTS_VALUE)
1644 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1645 if (pkt.dts != AV_NOPTS_VALUE)
1646 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1649 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1650 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1651 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1652 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1655 if (format_video_sync == VSYNC_DROP)
1656 pkt.pts = pkt.dts = AV_NOPTS_VALUE;
1658 write_frame(s, &pkt, ost);
1659 frame_size = pkt.size;
1660 video_size += pkt.size;
1661 av_free_packet(&pkt);
1663 /* if two pass, output log */
1664 if (ost->logfile && enc->stats_out) {
1665 fprintf(ost->logfile, "%s", enc->stats_out);
1671 * For video, number of frames in == number of packets out.
1672 * But there may be reordering, so we can't throw away frames on encoder
1673 * flush, we need to limit them here, before they go into encoder.
1675 ost->frame_number++;
1677 if (vstats_filename && frame_size)
1678 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1681 static void print_report(OutputFile *output_files,
1682 OutputStream *ost_table, int nb_ostreams,
1683 int is_last_report, int64_t timer_start, int64_t cur_time)
1687 AVFormatContext *oc;
1689 AVCodecContext *enc;
1690 int frame_number, vid, i;
1692 int64_t pts = INT64_MAX;
1693 static int64_t last_time = -1;
1694 static int qp_histogram[52];
1695 int hours, mins, secs, us;
1697 if (!print_stats && !is_last_report)
1700 if (!is_last_report) {
1701 if (last_time == -1) {
1702 last_time = cur_time;
1705 if ((cur_time - last_time) < 500000)
1707 last_time = cur_time;
1711 oc = output_files[0].ctx;
1713 total_size = avio_size(oc->pb);
1714 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1715 total_size = avio_tell(oc->pb);
1722 for (i = 0; i < nb_ostreams; i++) {
1724 ost = &ost_table[i];
1725 enc = ost->st->codec;
1726 if (!ost->stream_copy && enc->coded_frame)
1727 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1728 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1729 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1731 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1732 float fps, t = (cur_time-timer_start) / 1000000.0;
1734 frame_number = ost->frame_number;
1735 fps = t > 1 ? frame_number / t : 0;
1736 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1737 frame_number, fps < 9.95, fps, q);
1739 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1743 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1745 for (j = 0; j < 32; j++)
1746 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1748 if (enc->flags&CODEC_FLAG_PSNR) {
1750 double error, error_sum = 0;
1751 double scale, scale_sum = 0;
1752 char type[3] = { 'Y','U','V' };
1753 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1754 for (j = 0; j < 3; j++) {
1755 if (is_last_report) {
1756 error = enc->error[j];
1757 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1759 error = enc->coded_frame->error[j];
1760 scale = enc->width * enc->height * 255.0 * 255.0;
1766 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1768 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1772 /* compute min output value */
1773 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1774 ost->st->time_base, AV_TIME_BASE_Q));
1777 secs = pts / AV_TIME_BASE;
1778 us = pts % AV_TIME_BASE;
1784 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1786 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1787 "size=%8.0fkB time=", total_size / 1024.0);
1788 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1789 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1790 (100 * us) / AV_TIME_BASE);
1791 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1792 "bitrate=%6.1fkbits/s", bitrate);
1794 if (nb_frames_dup || nb_frames_drop)
1795 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1796 nb_frames_dup, nb_frames_drop);
1798 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1802 if (is_last_report) {
1803 int64_t raw= audio_size + video_size + extra_size;
1804 av_log(NULL, AV_LOG_INFO, "\n");
1805 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1806 video_size / 1024.0,
1807 audio_size / 1024.0,
1808 extra_size / 1024.0,
1809 100.0 * (total_size - raw) / raw
1811 if(video_size + audio_size + extra_size == 0){
1812 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1817 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1821 for (i = 0; i < nb_ostreams; i++) {
1822 OutputStream *ost = &ost_table[i];
1823 AVCodecContext *enc = ost->st->codec;
1824 AVFormatContext *os = output_files[ost->file_index].ctx;
1825 int stop_encoding = 0;
1827 if (!ost->encoding_needed)
1830 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1832 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1837 int fifo_bytes, got_packet;
1838 av_init_packet(&pkt);
1842 switch (ost->st->codec->codec_type) {
1843 case AVMEDIA_TYPE_AUDIO:
1844 fifo_bytes = av_fifo_size(ost->fifo);
1845 if (fifo_bytes > 0) {
1846 /* encode any samples remaining in fifo */
1847 int frame_bytes = fifo_bytes;
1849 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1851 /* pad last frame with silence if needed */
1852 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1853 frame_bytes = enc->frame_size * enc->channels *
1854 av_get_bytes_per_sample(enc->sample_fmt);
1855 if (allocated_audio_buf_size < frame_bytes)
1857 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1859 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1861 /* flush encoder with NULL frames until it is done
1862 returning packets */
1863 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1869 case AVMEDIA_TYPE_VIDEO:
1870 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1872 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1875 video_size += pkt.size;
1876 if (ost->logfile && enc->stats_out) {
1877 fprintf(ost->logfile, "%s", enc->stats_out);
1883 if (pkt.pts != AV_NOPTS_VALUE)
1884 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1885 if (pkt.dts != AV_NOPTS_VALUE)
1886 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1887 write_frame(os, &pkt, ost);
1899 * Check whether a packet from ist should be written into ost at this time
1901 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1903 OutputFile *of = &output_files[ost->file_index];
1904 int ist_index = ist - input_streams;
1906 if (ost->source_index != ist_index)
1909 if (of->start_time && ist->pts < of->start_time)
1912 if (of->recording_time != INT64_MAX &&
1913 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1914 (AVRational){ 1, 1000000 }) >= 0) {
1915 ost->is_past_recording_time = 1;
1922 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1924 OutputFile *of = &output_files[ost->file_index];
1925 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1929 av_init_packet(&opkt);
1931 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1932 !ost->copy_initial_nonkeyframes)
1935 /* force the input stream PTS */
1936 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1937 audio_size += pkt->size;
1938 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1939 video_size += pkt->size;
1943 if (pkt->pts != AV_NOPTS_VALUE)
1944 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1946 opkt.pts = AV_NOPTS_VALUE;
1948 if (pkt->dts == AV_NOPTS_VALUE)
1949 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1951 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1952 opkt.dts -= ost_tb_start_time;
1954 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1955 opkt.flags = pkt->flags;
1957 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1958 if ( ost->st->codec->codec_id != CODEC_ID_H264
1959 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1960 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1961 && ost->st->codec->codec_id != CODEC_ID_VC1
1963 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1964 opkt.destruct = av_destruct_packet;
1966 opkt.data = pkt->data;
1967 opkt.size = pkt->size;
1969 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1970 /* store AVPicture in AVPacket, as expected by the output format */
1971 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1972 opkt.data = (uint8_t *)&pict;
1973 opkt.size = sizeof(AVPicture);
1974 opkt.flags |= AV_PKT_FLAG_KEY;
1977 write_frame(of->ctx, &opkt, ost);
1978 ost->st->codec->frame_number++;
1979 av_free_packet(&opkt);
1982 static void rate_emu_sleep(InputStream *ist)
1984 if (input_files[ist->file_index].rate_emu) {
1985 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1986 int64_t now = av_gettime() - ist->start;
1992 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1994 AVFrame *decoded_frame;
1995 AVCodecContext *avctx = ist->st->codec;
1996 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1999 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2000 return AVERROR(ENOMEM);
2002 avcodec_get_frame_defaults(ist->decoded_frame);
2003 decoded_frame = ist->decoded_frame;
2005 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2011 /* no audio frame */
2015 /* if the decoder provides a pts, use it instead of the last packet pts.
2016 the decoder could be delaying output by a packet or more. */
2017 if (decoded_frame->pts != AV_NOPTS_VALUE)
2018 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2020 /* increment next_dts to use for the case where the input stream does not
2021 have timestamps or there are multiple frames in the packet */
2022 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2024 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2028 // preprocess audio (volume)
2029 if (audio_volume != 256) {
2030 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2031 void *samples = decoded_frame->data[0];
2032 switch (avctx->sample_fmt) {
2033 case AV_SAMPLE_FMT_U8:
2035 uint8_t *volp = samples;
2036 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2037 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2038 *volp++ = av_clip_uint8(v);
2042 case AV_SAMPLE_FMT_S16:
2044 int16_t *volp = samples;
2045 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2046 int v = ((*volp) * audio_volume + 128) >> 8;
2047 *volp++ = av_clip_int16(v);
2051 case AV_SAMPLE_FMT_S32:
2053 int32_t *volp = samples;
2054 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2055 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2056 *volp++ = av_clipl_int32(v);
2060 case AV_SAMPLE_FMT_FLT:
2062 float *volp = samples;
2063 float scale = audio_volume / 256.f;
2064 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2069 case AV_SAMPLE_FMT_DBL:
2071 double *volp = samples;
2072 double scale = audio_volume / 256.;
2073 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2079 av_log(NULL, AV_LOG_FATAL,
2080 "Audio volume adjustment on sample format %s is not supported.\n",
2081 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2086 rate_emu_sleep(ist);
2088 for (i = 0; i < nb_output_streams; i++) {
2089 OutputStream *ost = &output_streams[i];
2091 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2093 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2099 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2101 AVFrame *decoded_frame;
2102 void *buffer_to_free = NULL;
2104 int64_t *best_effort_timestamp;
2105 AVRational *frame_sample_aspect;
2107 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2108 return AVERROR(ENOMEM);
2110 avcodec_get_frame_defaults(ist->decoded_frame);
2111 decoded_frame = ist->decoded_frame;
2112 pkt->pts = *pkt_pts;
2113 pkt->dts = ist->dts;
2114 *pkt_pts = AV_NOPTS_VALUE;
2116 ret = avcodec_decode_video2(ist->st->codec,
2117 decoded_frame, got_output, pkt);
2122 /* no picture yet */
2126 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2127 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2128 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2132 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2135 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2136 for(i=0;i<nb_output_streams;i++) {
2137 OutputStream *ost = ost = &output_streams[i];
2138 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2139 if (!frame_sample_aspect->num)
2140 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2141 decoded_frame->pts = ist->pts;
2142 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2143 FrameBuffer *buf = decoded_frame->opaque;
2144 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2145 decoded_frame->data, decoded_frame->linesize,
2146 AV_PERM_READ | AV_PERM_PRESERVE,
2147 ist->st->codec->width, ist->st->codec->height,
2148 ist->st->codec->pix_fmt);
2150 avfilter_copy_frame_props(fb, decoded_frame);
2151 fb->buf->priv = buf;
2152 fb->buf->free = filter_release_buffer;
2155 av_buffersrc_buffer(ost->input_video_filter, fb);
2157 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2158 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2165 rate_emu_sleep(ist);
2167 for (i = 0; i < nb_output_streams; i++) {
2168 OutputStream *ost = &output_streams[i];
2170 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2174 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2175 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2176 AVFrame *filtered_frame;
2178 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2179 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2182 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2183 ret = AVERROR(ENOMEM);
2186 filtered_frame = ist->filtered_frame;
2187 *filtered_frame= *decoded_frame; //for me_threshold
2188 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2189 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2190 if (!ost->frame_aspect_ratio)
2191 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2192 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2194 avfilter_unref_buffer(ost->picref);
2197 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2202 av_free(buffer_to_free);
2206 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2208 AVSubtitle subtitle;
2209 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2210 &subtitle, got_output, pkt);
2216 rate_emu_sleep(ist);
2218 for (i = 0; i < nb_output_streams; i++) {
2219 OutputStream *ost = &output_streams[i];
2221 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2224 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2227 avsubtitle_free(&subtitle);
2231 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2232 static int output_packet(InputStream *ist,
2233 OutputStream *ost_table, int nb_ostreams,
2234 const AVPacket *pkt)
2238 int64_t pkt_pts = AV_NOPTS_VALUE;
2242 if (ist->next_dts == AV_NOPTS_VALUE)
2243 ist->next_dts = ist->dts;
2244 if (ist->next_pts == AV_NOPTS_VALUE)
2245 ist->next_pts = ist->pts;
2249 av_init_packet(&avpkt);
2257 if (pkt->dts != AV_NOPTS_VALUE) {
2258 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2259 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2260 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2262 if(pkt->pts != AV_NOPTS_VALUE)
2263 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2265 // while we have more to decode or while the decoder did output something on EOF
2266 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2270 ist->pts = ist->next_pts;
2271 ist->dts = ist->next_dts;
2273 if (avpkt.size && avpkt.size != pkt->size) {
2274 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2275 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2276 ist->showed_multi_packet_warning = 1;
2279 switch (ist->st->codec->codec_type) {
2280 case AVMEDIA_TYPE_AUDIO:
2281 ret = transcode_audio (ist, &avpkt, &got_output);
2283 case AVMEDIA_TYPE_VIDEO:
2284 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2285 if (avpkt.duration) {
2286 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2287 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2288 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2289 duration = ((int64_t)AV_TIME_BASE *
2290 ist->st->codec->time_base.num * ticks) /
2291 ist->st->codec->time_base.den;
2295 if(ist->dts != AV_NOPTS_VALUE && duration) {
2296 ist->next_dts += duration;
2298 ist->next_dts = AV_NOPTS_VALUE;
2301 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2303 case AVMEDIA_TYPE_SUBTITLE:
2304 ret = transcode_subtitles(ist, &avpkt, &got_output);
2314 avpkt.pts= AV_NOPTS_VALUE;
2316 // touch data and size only if not EOF
2318 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2328 /* handle stream copy */
2329 if (!ist->decoding_needed) {
2330 rate_emu_sleep(ist);
2331 ist->dts = ist->next_dts;
2332 switch (ist->st->codec->codec_type) {
2333 case AVMEDIA_TYPE_AUDIO:
2334 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2335 ist->st->codec->sample_rate;
2337 case AVMEDIA_TYPE_VIDEO:
2338 if (pkt->duration) {
2339 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2340 } else if(ist->st->codec->time_base.num != 0) {
2341 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2342 ist->next_dts += ((int64_t)AV_TIME_BASE *
2343 ist->st->codec->time_base.num * ticks) /
2344 ist->st->codec->time_base.den;
2348 ist->pts = ist->dts;
2349 ist->next_pts = ist->next_dts;
2351 for (i = 0; pkt && i < nb_ostreams; i++) {
2352 OutputStream *ost = &ost_table[i];
2354 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2357 do_streamcopy(ist, ost, pkt);
2363 static void print_sdp(OutputFile *output_files, int n)
2367 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2371 for (i = 0; i < n; i++)
2372 avc[i] = output_files[i].ctx;
2374 av_sdp_create(avc, n, sdp, sizeof(sdp));
2375 printf("SDP:\n%s\n", sdp);
2380 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2381 char *error, int error_len)
2383 InputStream *ist = &input_streams[ist_index];
2384 if (ist->decoding_needed) {
2385 AVCodec *codec = ist->dec;
2387 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2388 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2389 return AVERROR(EINVAL);
2392 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2393 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2394 ist->st->codec->get_buffer = codec_get_buffer;
2395 ist->st->codec->release_buffer = codec_release_buffer;
2396 ist->st->codec->opaque = ist;
2399 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2400 av_dict_set(&ist->opts, "threads", "auto", 0);
2401 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2402 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2403 ist->file_index, ist->st->index);
2404 return AVERROR(EINVAL);
2406 assert_codec_experimental(ist->st->codec, 0);
2407 assert_avoptions(ist->opts);
2410 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2411 ist->next_pts = AV_NOPTS_VALUE;
2412 ist->next_dts = AV_NOPTS_VALUE;
2418 static int transcode_init(OutputFile *output_files, int nb_output_files,
2419 InputFile *input_files, int nb_input_files)
2421 int ret = 0, i, j, k;
2422 AVFormatContext *oc;
2423 AVCodecContext *codec, *icodec;
2429 /* init framerate emulation */
2430 for (i = 0; i < nb_input_files; i++) {
2431 InputFile *ifile = &input_files[i];
2432 if (ifile->rate_emu)
2433 for (j = 0; j < ifile->nb_streams; j++)
2434 input_streams[j + ifile->ist_index].start = av_gettime();
2437 /* output stream init */
2438 for (i = 0; i < nb_output_files; i++) {
2439 oc = output_files[i].ctx;
2440 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2441 av_dump_format(oc, i, oc->filename, 1);
2442 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2443 return AVERROR(EINVAL);
2447 /* for each output stream, we compute the right encoding parameters */
2448 for (i = 0; i < nb_output_streams; i++) {
2449 ost = &output_streams[i];
2450 oc = output_files[ost->file_index].ctx;
2451 ist = &input_streams[ost->source_index];
2453 if (ost->attachment_filename)
2456 codec = ost->st->codec;
2457 icodec = ist->st->codec;
2459 ost->st->disposition = ist->st->disposition;
2460 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2461 codec->chroma_sample_location = icodec->chroma_sample_location;
2463 if (ost->stream_copy) {
2464 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2466 if (extra_size > INT_MAX) {
2467 return AVERROR(EINVAL);
2470 /* if stream_copy is selected, no need to decode or encode */
2471 codec->codec_id = icodec->codec_id;
2472 codec->codec_type = icodec->codec_type;
2474 if (!codec->codec_tag) {
2475 if (!oc->oformat->codec_tag ||
2476 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2477 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2478 codec->codec_tag = icodec->codec_tag;
2481 codec->bit_rate = icodec->bit_rate;
2482 codec->rc_max_rate = icodec->rc_max_rate;
2483 codec->rc_buffer_size = icodec->rc_buffer_size;
2484 codec->field_order = icodec->field_order;
2485 codec->extradata = av_mallocz(extra_size);
2486 if (!codec->extradata) {
2487 return AVERROR(ENOMEM);
2489 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2490 codec->extradata_size= icodec->extradata_size;
2492 codec->time_base = ist->st->time_base;
2494 * Avi is a special case here because it supports variable fps but
2495 * having the fps and timebase differe significantly adds quite some
2498 if(!strcmp(oc->oformat->name, "avi")) {
2499 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2500 && av_q2d(ist->st->time_base) < 1.0/500
2502 codec->time_base = icodec->time_base;
2503 codec->time_base.num *= icodec->ticks_per_frame;
2504 codec->time_base.den *= 2;
2506 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2507 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2508 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2510 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2511 && av_q2d(ist->st->time_base) < 1.0/500
2513 codec->time_base = icodec->time_base;
2514 codec->time_base.num *= icodec->ticks_per_frame;
2517 av_reduce(&codec->time_base.num, &codec->time_base.den,
2518 codec->time_base.num, codec->time_base.den, INT_MAX);
2520 switch (codec->codec_type) {
2521 case AVMEDIA_TYPE_AUDIO:
2522 if (audio_volume != 256) {
2523 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2526 codec->channel_layout = icodec->channel_layout;
2527 codec->sample_rate = icodec->sample_rate;
2528 codec->channels = icodec->channels;
2529 codec->frame_size = icodec->frame_size;
2530 codec->audio_service_type = icodec->audio_service_type;
2531 codec->block_align = icodec->block_align;
2533 case AVMEDIA_TYPE_VIDEO:
2534 codec->pix_fmt = icodec->pix_fmt;
2535 codec->width = icodec->width;
2536 codec->height = icodec->height;
2537 codec->has_b_frames = icodec->has_b_frames;
2538 if (!codec->sample_aspect_ratio.num) {
2539 codec->sample_aspect_ratio =
2540 ost->st->sample_aspect_ratio =
2541 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2542 ist->st->codec->sample_aspect_ratio.num ?
2543 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2545 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2547 case AVMEDIA_TYPE_SUBTITLE:
2548 codec->width = icodec->width;
2549 codec->height = icodec->height;
2551 case AVMEDIA_TYPE_DATA:
2552 case AVMEDIA_TYPE_ATTACHMENT:
2559 ost->enc = avcodec_find_encoder(codec->codec_id);
2561 ist->decoding_needed = 1;
2562 ost->encoding_needed = 1;
2564 switch (codec->codec_type) {
2565 case AVMEDIA_TYPE_AUDIO:
2566 ost->fifo = av_fifo_alloc(1024);
2568 return AVERROR(ENOMEM);
2570 if (!codec->sample_rate)
2571 codec->sample_rate = icodec->sample_rate;
2572 choose_sample_rate(ost->st, ost->enc);
2573 codec->time_base = (AVRational){ 1, codec->sample_rate };
2575 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2576 codec->sample_fmt = icodec->sample_fmt;
2577 choose_sample_fmt(ost->st, ost->enc);
2579 if (ost->audio_channels_mapped) {
2580 /* the requested output channel is set to the number of
2581 * -map_channel only if no -ac are specified */
2582 if (!codec->channels) {
2583 codec->channels = ost->audio_channels_mapped;
2584 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2585 if (!codec->channel_layout) {
2586 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2590 /* fill unused channel mapping with -1 (which means a muted
2591 * channel in case the number of output channels is bigger
2592 * than the number of mapped channel) */
2593 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2594 ost->audio_channels_map[j] = -1;
2595 } else if (!codec->channels) {
2596 codec->channels = icodec->channels;
2597 codec->channel_layout = icodec->channel_layout;
2599 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2600 codec->channel_layout = 0;
2602 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2603 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2604 || codec->channel_layout != icodec->channel_layout;
2605 icodec->request_channels = codec->channels;
2606 ost->resample_sample_fmt = icodec->sample_fmt;
2607 ost->resample_sample_rate = icodec->sample_rate;
2608 ost->resample_channels = icodec->channels;
2610 case AVMEDIA_TYPE_VIDEO:
2611 if (codec->pix_fmt == PIX_FMT_NONE)
2612 codec->pix_fmt = icodec->pix_fmt;
2613 choose_pixel_fmt(ost->st, ost->enc);
2615 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2616 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2620 if (!codec->width || !codec->height) {
2621 codec->width = icodec->width;
2622 codec->height = icodec->height;
2625 ost->video_resample = codec->width != icodec->width ||
2626 codec->height != icodec->height ||
2627 codec->pix_fmt != icodec->pix_fmt;
2628 if (ost->video_resample) {
2629 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2632 ost->resample_height = icodec->height;
2633 ost->resample_width = icodec->width;
2634 ost->resample_pix_fmt = icodec->pix_fmt;
2636 if (!ost->frame_rate.num)
2637 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2638 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2639 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2640 ost->frame_rate = ost->enc->supported_framerates[idx];
2642 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2643 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2644 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2645 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2646 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2648 for (j = 0; j < ost->forced_kf_count; j++)
2649 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2654 if (configure_video_filters(ist, ost)) {
2655 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2660 case AVMEDIA_TYPE_SUBTITLE:
2661 codec->time_base = (AVRational){1, 1000};
2668 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2669 char logfilename[1024];
2672 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2673 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2675 if (!strcmp(ost->enc->name, "libx264")) {
2676 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2678 if (codec->flags & CODEC_FLAG_PASS2) {
2680 size_t logbuffer_size;
2681 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2682 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2686 codec->stats_in = logbuffer;
2688 if (codec->flags & CODEC_FLAG_PASS1) {
2689 f = fopen(logfilename, "wb");
2691 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2692 logfilename, strerror(errno));
2702 /* open each encoder */
2703 for (i = 0; i < nb_output_streams; i++) {
2704 ost = &output_streams[i];
2705 if (ost->encoding_needed) {
2706 AVCodec *codec = ost->enc;
2707 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2709 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2710 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2711 ret = AVERROR(EINVAL);
2714 if (dec->subtitle_header) {
2715 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2716 if (!ost->st->codec->subtitle_header) {
2717 ret = AVERROR(ENOMEM);
2720 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2721 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2723 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2724 av_dict_set(&ost->opts, "threads", "auto", 0);
2725 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2726 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2727 ost->file_index, ost->index);
2728 ret = AVERROR(EINVAL);
2731 assert_codec_experimental(ost->st->codec, 1);
2732 assert_avoptions(ost->opts);
2733 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2734 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2735 " It takes bits/s as argument, not kbits/s\n");
2736 extra_size += ost->st->codec->extradata_size;
2738 if (ost->st->codec->me_threshold)
2739 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2743 /* init input streams */
2744 for (i = 0; i < nb_input_streams; i++)
2745 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2748 /* discard unused programs */
2749 for (i = 0; i < nb_input_files; i++) {
2750 InputFile *ifile = &input_files[i];
2751 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2752 AVProgram *p = ifile->ctx->programs[j];
2753 int discard = AVDISCARD_ALL;
2755 for (k = 0; k < p->nb_stream_indexes; k++)
2756 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2757 discard = AVDISCARD_DEFAULT;
2760 p->discard = discard;
2764 /* open files and write file headers */
2765 for (i = 0; i < nb_output_files; i++) {
2766 oc = output_files[i].ctx;
2767 oc->interrupt_callback = int_cb;
2768 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2769 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2770 ret = AVERROR(EINVAL);
2773 // assert_avoptions(output_files[i].opts);
2774 if (strcmp(oc->oformat->name, "rtp")) {
2780 /* dump the file output parameters - cannot be done before in case
2782 for (i = 0; i < nb_output_files; i++) {
2783 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2786 /* dump the stream mapping */
2787 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2788 for (i = 0; i < nb_output_streams; i++) {
2789 ost = &output_streams[i];
2791 if (ost->attachment_filename) {
2792 /* an attached file */
2793 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2794 ost->attachment_filename, ost->file_index, ost->index);
2797 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2798 input_streams[ost->source_index].file_index,
2799 input_streams[ost->source_index].st->index,
2802 if (ost->audio_channels_mapped) {
2803 av_log(NULL, AV_LOG_INFO, " [ch:");
2804 for (j = 0; j < ost->audio_channels_mapped; j++)
2805 if (ost->audio_channels_map[j] == -1)
2806 av_log(NULL, AV_LOG_INFO, " M");
2808 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2809 av_log(NULL, AV_LOG_INFO, "]");
2811 if (ost->sync_ist != &input_streams[ost->source_index])
2812 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2813 ost->sync_ist->file_index,
2814 ost->sync_ist->st->index);
2815 if (ost->stream_copy)
2816 av_log(NULL, AV_LOG_INFO, " (copy)");
2818 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2819 input_streams[ost->source_index].dec->name : "?",
2820 ost->enc ? ost->enc->name : "?");
2821 av_log(NULL, AV_LOG_INFO, "\n");
2825 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2830 print_sdp(output_files, nb_output_files);
2837 * The following code is the main loop of the file converter
2839 static int transcode(OutputFile *output_files, int nb_output_files,
2840 InputFile *input_files, int nb_input_files)
2843 AVFormatContext *is, *os;
2847 int no_packet_count = 0;
2848 int64_t timer_start;
2851 if (!(no_packet = av_mallocz(nb_input_files)))
2854 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2859 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2862 timer_start = av_gettime();
2864 for (; received_sigterm == 0;) {
2865 int file_index, ist_index;
2869 int64_t cur_time= av_gettime();
2871 ipts_min = INT64_MAX;
2873 /* if 'q' pressed, exits */
2875 static int64_t last_time;
2876 if (received_nb_signals)
2878 /* read_key() returns 0 on EOF */
2879 if(cur_time - last_time >= 100000 && !run_as_daemon){
2881 last_time = cur_time;
2886 if (key == '+') av_log_set_level(av_log_get_level()+10);
2887 if (key == '-') av_log_set_level(av_log_get_level()-10);
2888 if (key == 's') qp_hist ^= 1;
2891 do_hex_dump = do_pkt_dump = 0;
2892 } else if(do_pkt_dump){
2896 av_log_set_level(AV_LOG_DEBUG);
2899 if (key == 'c' || key == 'C'){
2900 char buf[4096], target[64], command[256], arg[256] = {0};
2903 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2905 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2910 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2911 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2912 target, time, command, arg);
2913 for (i = 0; i < nb_output_streams; i++) {
2914 ost = &output_streams[i];
2917 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2918 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2919 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2921 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2926 av_log(NULL, AV_LOG_ERROR,
2927 "Parse error, at least 3 arguments were expected, "
2928 "only %d given in string '%s'\n", n, buf);
2932 if (key == 'd' || key == 'D'){
2935 debug = input_streams[0].st->codec->debug<<1;
2936 if(!debug) debug = 1;
2937 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2940 if(scanf("%d", &debug)!=1)
2941 fprintf(stderr,"error parsing debug value\n");
2942 for(i=0;i<nb_input_streams;i++) {
2943 input_streams[i].st->codec->debug = debug;
2945 for(i=0;i<nb_output_streams;i++) {
2946 ost = &output_streams[i];
2947 ost->st->codec->debug = debug;
2949 if(debug) av_log_set_level(AV_LOG_DEBUG);
2950 fprintf(stderr,"debug=%d\n", debug);
2953 fprintf(stderr, "key function\n"
2954 "? show this help\n"
2955 "+ increase verbosity\n"
2956 "- decrease verbosity\n"
2957 "c Send command to filtergraph\n"
2958 "D cycle through available debug modes\n"
2959 "h dump packets/hex press to cycle through the 3 states\n"
2961 "s Show QP histogram\n"
2966 /* select the stream that we must read now by looking at the
2967 smallest output pts */
2969 for (i = 0; i < nb_output_streams; i++) {
2973 ost = &output_streams[i];
2974 of = &output_files[ost->file_index];
2975 os = output_files[ost->file_index].ctx;
2976 ist = &input_streams[ost->source_index];
2977 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2978 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2980 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2982 if (!input_files[ist->file_index].eof_reached) {
2983 if (ipts < ipts_min) {
2986 file_index = ist->file_index;
2988 if (opts < opts_min) {
2990 if (!input_sync) file_index = ist->file_index;
2993 if (ost->frame_number >= ost->max_frames) {
2995 for (j = 0; j < of->ctx->nb_streams; j++)
2996 output_streams[of->ost_index + j].is_past_recording_time = 1;
3000 /* if none, if is finished */
3001 if (file_index < 0) {
3002 if (no_packet_count) {
3003 no_packet_count = 0;
3004 memset(no_packet, 0, nb_input_files);
3011 /* read a frame from it and output it in the fifo */
3012 is = input_files[file_index].ctx;
3013 ret = av_read_frame(is, &pkt);
3014 if (ret == AVERROR(EAGAIN)) {
3015 no_packet[file_index] = 1;
3020 input_files[file_index].eof_reached = 1;
3027 no_packet_count = 0;
3028 memset(no_packet, 0, nb_input_files);
3031 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3032 is->streams[pkt.stream_index]);
3034 /* the following test is needed in case new streams appear
3035 dynamically in stream : we ignore them */
3036 if (pkt.stream_index >= input_files[file_index].nb_streams)
3037 goto discard_packet;
3038 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3039 ist = &input_streams[ist_index];
3041 goto discard_packet;
3043 if (pkt.dts != AV_NOPTS_VALUE)
3044 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3045 if (pkt.pts != AV_NOPTS_VALUE)
3046 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3048 if (pkt.pts != AV_NOPTS_VALUE)
3049 pkt.pts *= ist->ts_scale;
3050 if (pkt.dts != AV_NOPTS_VALUE)
3051 pkt.dts *= ist->ts_scale;
3054 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3055 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3056 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3057 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3058 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3059 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3060 input_files[ist->file_index].ts_offset);
3063 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3064 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3065 int64_t delta = pkt_dts - ist->next_dts;
3066 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3067 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3068 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3069 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3070 pkt_dts+1<ist->pts){
3071 input_files[ist->file_index].ts_offset -= delta;
3072 av_log(NULL, AV_LOG_DEBUG,
3073 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3074 delta, input_files[ist->file_index].ts_offset);
3075 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3076 if (pkt.pts != AV_NOPTS_VALUE)
3077 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3080 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3081 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3082 pkt_dts+1<ist->pts){
3083 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3084 pkt.dts = AV_NOPTS_VALUE;
3086 if (pkt.pts != AV_NOPTS_VALUE){
3087 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3088 delta = pkt_pts - ist->next_dts;
3089 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3090 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3091 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3092 pkt.pts = AV_NOPTS_VALUE;
3098 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3099 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3101 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3102 ist->file_index, ist->st->index);
3105 av_free_packet(&pkt);
3110 av_free_packet(&pkt);
3112 /* dump report by using the output first video and audio streams */
3113 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3116 /* at the end of stream, we must flush the decoder buffers */
3117 for (i = 0; i < nb_input_streams; i++) {
3118 ist = &input_streams[i];
3119 if (ist->decoding_needed) {
3120 output_packet(ist, output_streams, nb_output_streams, NULL);
3123 flush_encoders(output_streams, nb_output_streams);
3127 /* write the trailer if needed and close file */
3128 for (i = 0; i < nb_output_files; i++) {
3129 os = output_files[i].ctx;
3130 av_write_trailer(os);
3133 /* dump report by using the first video and audio streams */
3134 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3136 /* close each encoder */
3137 for (i = 0; i < nb_output_streams; i++) {
3138 ost = &output_streams[i];
3139 if (ost->encoding_needed) {
3140 av_freep(&ost->st->codec->stats_in);
3141 avcodec_close(ost->st->codec);
3144 avfilter_graph_free(&ost->graph);
3148 /* close each decoder */
3149 for (i = 0; i < nb_input_streams; i++) {
3150 ist = &input_streams[i];
3151 if (ist->decoding_needed) {
3152 avcodec_close(ist->st->codec);
3160 av_freep(&no_packet);
3162 if (output_streams) {
3163 for (i = 0; i < nb_output_streams; i++) {
3164 ost = &output_streams[i];
3166 if (ost->stream_copy)
3167 av_freep(&ost->st->codec->extradata);
3169 fclose(ost->logfile);
3170 ost->logfile = NULL;
3172 av_fifo_free(ost->fifo); /* works even if fifo is not
3173 initialized but set to zero */
3174 av_freep(&ost->st->codec->subtitle_header);
3175 av_free(ost->resample_frame.data[0]);
3176 av_free(ost->forced_kf_pts);
3177 if (ost->video_resample)
3178 sws_freeContext(ost->img_resample_ctx);
3179 swr_free(&ost->swr);
3180 av_dict_free(&ost->opts);
3187 static int opt_frame_crop(const char *opt, const char *arg)
3189 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3190 return AVERROR(EINVAL);
3193 static int opt_pad(const char *opt, const char *arg)
3195 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3199 static int opt_video_channel(const char *opt, const char *arg)
3201 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3202 return opt_default("channel", arg);
3205 static int opt_video_standard(const char *opt, const char *arg)
3207 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3208 return opt_default("standard", arg);
3211 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3213 audio_codec_name = arg;
3214 return parse_option(o, "codec:a", arg, options);
3217 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3219 video_codec_name = arg;
3220 return parse_option(o, "codec:v", arg, options);
3223 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3225 subtitle_codec_name = arg;
3226 return parse_option(o, "codec:s", arg, options);
3229 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3231 return parse_option(o, "codec:d", arg, options);
3234 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3236 StreamMap *m = NULL;
3237 int i, negative = 0, file_idx;
3238 int sync_file_idx = -1, sync_stream_idx = 0;
3246 map = av_strdup(arg);
3248 /* parse sync stream first, just pick first matching stream */
3249 if (sync = strchr(map, ',')) {
3251 sync_file_idx = strtol(sync + 1, &sync, 0);
3252 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3253 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3258 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3259 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3260 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3261 sync_stream_idx = i;
3264 if (i == input_files[sync_file_idx].nb_streams) {
3265 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3266 "match any streams.\n", arg);
3272 file_idx = strtol(map, &p, 0);
3273 if (file_idx >= nb_input_files || file_idx < 0) {
3274 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3278 /* disable some already defined maps */
3279 for (i = 0; i < o->nb_stream_maps; i++) {
3280 m = &o->stream_maps[i];
3281 if (file_idx == m->file_index &&
3282 check_stream_specifier(input_files[m->file_index].ctx,
3283 input_files[m->file_index].ctx->streams[m->stream_index],
3284 *p == ':' ? p + 1 : p) > 0)
3288 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3289 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3290 *p == ':' ? p + 1 : p) <= 0)
3292 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3293 &o->nb_stream_maps, o->nb_stream_maps + 1);
3294 m = &o->stream_maps[o->nb_stream_maps - 1];
3296 m->file_index = file_idx;
3297 m->stream_index = i;
3299 if (sync_file_idx >= 0) {
3300 m->sync_file_index = sync_file_idx;
3301 m->sync_stream_index = sync_stream_idx;
3303 m->sync_file_index = file_idx;
3304 m->sync_stream_index = i;
3309 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3317 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3319 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3320 &o->nb_attachments, o->nb_attachments + 1);
3321 o->attachments[o->nb_attachments - 1] = arg;
3325 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3331 o->audio_channel_maps =
3332 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3333 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3334 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3336 /* muted channel syntax */
3337 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3338 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3339 m->file_idx = m->stream_idx = -1;
3341 m->ofile_idx = m->ostream_idx = -1;
3346 n = sscanf(arg, "%d.%d.%d:%d.%d",
3347 &m->file_idx, &m->stream_idx, &m->channel_idx,
3348 &m->ofile_idx, &m->ostream_idx);
3350 if (n != 3 && n != 5) {
3351 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3352 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3356 if (n != 5) // only file.stream.channel specified
3357 m->ofile_idx = m->ostream_idx = -1;
3360 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3361 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3365 if (m->stream_idx < 0 ||
3366 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3367 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3368 m->file_idx, m->stream_idx);
3371 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3372 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3373 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3374 m->file_idx, m->stream_idx);
3377 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3378 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3379 m->file_idx, m->stream_idx, m->channel_idx);
3386 * Parse a metadata specifier in arg.
3387 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3388 * @param index for type c/p, chapter/program index is written here
3389 * @param stream_spec for type s, the stream specifier is written here
3391 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3399 if (*(++arg) && *arg != ':') {
3400 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3403 *stream_spec = *arg == ':' ? arg + 1 : "";
3407 if (*(++arg) == ':')
3408 *index = strtol(++arg, NULL, 0);
3411 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3418 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3420 AVDictionary **meta_in = NULL;
3421 AVDictionary **meta_out = NULL;
3423 char type_in, type_out;
3424 const char *istream_spec = NULL, *ostream_spec = NULL;
3425 int idx_in = 0, idx_out = 0;
3427 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3428 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3431 if (type_out == 'g' || !*outspec)
3432 o->metadata_global_manual = 1;
3433 if (type_out == 's' || !*outspec)
3434 o->metadata_streams_manual = 1;
3435 if (type_out == 'c' || !*outspec)
3436 o->metadata_chapters_manual = 1;
3440 if (type_in == 'g' || type_out == 'g')
3441 o->metadata_global_manual = 1;
3442 if (type_in == 's' || type_out == 's')
3443 o->metadata_streams_manual = 1;
3444 if (type_in == 'c' || type_out == 'c')
3445 o->metadata_chapters_manual = 1;
3447 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3448 if ((index) < 0 || (index) >= (nb_elems)) {\
3449 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3454 #define SET_DICT(type, meta, context, index)\
3457 meta = &context->metadata;\
3460 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3461 meta = &context->chapters[index]->metadata;\
3464 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3465 meta = &context->programs[index]->metadata;\
3469 SET_DICT(type_in, meta_in, ic, idx_in);
3470 SET_DICT(type_out, meta_out, oc, idx_out);
3472 /* for input streams choose first matching stream */
3473 if (type_in == 's') {
3474 for (i = 0; i < ic->nb_streams; i++) {
3475 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3476 meta_in = &ic->streams[i]->metadata;
3482 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3487 if (type_out == 's') {
3488 for (i = 0; i < oc->nb_streams; i++) {
3489 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3490 meta_out = &oc->streams[i]->metadata;
3491 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3496 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3501 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3504 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3505 struct tm time = *gmtime((time_t*)&recording_timestamp);
3506 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3507 parse_option(o, "metadata", buf, options);
3509 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3510 "tag instead.\n", opt);
3514 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3516 const char *codec_string = encoder ? "encoder" : "decoder";
3520 avcodec_find_encoder_by_name(name) :
3521 avcodec_find_decoder_by_name(name);
3523 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3526 if (codec->type != type) {
3527 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3533 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3535 char *codec_name = NULL;
3537 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3539 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3540 st->codec->codec_id = codec->id;
3543 return avcodec_find_decoder(st->codec->codec_id);
3547 * Add all the streams from the given input file to the global
3548 * list of input streams.
3550 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3553 char *next, *codec_tag = NULL;
3555 for (i = 0; i < ic->nb_streams; i++) {
3556 AVStream *st = ic->streams[i];
3557 AVCodecContext *dec = st->codec;
3560 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3561 ist = &input_streams[nb_input_streams - 1];
3563 ist->file_index = nb_input_files;
3565 st->discard = AVDISCARD_ALL;
3566 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3568 ist->ts_scale = 1.0;
3569 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3571 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3573 uint32_t tag = strtol(codec_tag, &next, 0);
3575 tag = AV_RL32(codec_tag);
3576 st->codec->codec_tag = tag;
3579 ist->dec = choose_decoder(o, ic, st);
3581 switch (dec->codec_type) {
3582 case AVMEDIA_TYPE_VIDEO:
3584 ist->dec = avcodec_find_decoder(dec->codec_id);
3586 dec->flags |= CODEC_FLAG_EMU_EDGE;
3590 case AVMEDIA_TYPE_AUDIO:
3591 case AVMEDIA_TYPE_DATA:
3592 case AVMEDIA_TYPE_SUBTITLE:
3594 ist->dec = avcodec_find_decoder(dec->codec_id);
3596 case AVMEDIA_TYPE_ATTACHMENT:
3597 case AVMEDIA_TYPE_UNKNOWN:
3605 static void assert_file_overwrite(const char *filename)
3607 if ((!file_overwrite || no_file_overwrite) &&
3608 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3609 av_strstart(filename, "file:", NULL))) {
3610 if (avio_check(filename, 0) == 0) {
3611 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3612 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3615 signal(SIGINT, SIG_DFL);
3616 if (!read_yesno()) {
3617 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3623 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3630 static void dump_attachment(AVStream *st, const char *filename)
3633 AVIOContext *out = NULL;
3634 AVDictionaryEntry *e;
3636 if (!st->codec->extradata_size) {
3637 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3638 nb_input_files - 1, st->index);
3641 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3642 filename = e->value;
3644 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3645 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3649 assert_file_overwrite(filename);
3651 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3652 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3657 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3662 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3664 AVFormatContext *ic;
3665 AVInputFormat *file_iformat = NULL;
3669 AVDictionary **opts;
3670 int orig_nb_streams; // number of streams before avformat_find_stream_info
3673 if (!(file_iformat = av_find_input_format(o->format))) {
3674 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3679 if (!strcmp(filename, "-"))
3682 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3683 !strcmp(filename, "/dev/stdin");
3685 /* get default parameters from command line */
3686 ic = avformat_alloc_context();
3688 print_error(filename, AVERROR(ENOMEM));
3691 if (o->nb_audio_sample_rate) {
3692 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3693 av_dict_set(&format_opts, "sample_rate", buf, 0);
3695 if (o->nb_audio_channels) {
3696 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3697 av_dict_set(&format_opts, "channels", buf, 0);
3699 if (o->nb_frame_rates) {
3700 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3702 if (o->nb_frame_sizes) {
3703 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3705 if (o->nb_frame_pix_fmts)
3706 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3708 ic->video_codec_id = video_codec_name ?
3709 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3710 ic->audio_codec_id = audio_codec_name ?
3711 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3712 ic->subtitle_codec_id= subtitle_codec_name ?
3713 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3714 ic->flags |= AVFMT_FLAG_NONBLOCK;
3715 ic->interrupt_callback = int_cb;
3717 /* open the input file with generic avformat function */
3718 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3720 print_error(filename, err);
3723 assert_avoptions(format_opts);
3725 /* apply forced codec ids */
3726 for (i = 0; i < ic->nb_streams; i++)
3727 choose_decoder(o, ic, ic->streams[i]);
3729 /* Set AVCodecContext options for avformat_find_stream_info */
3730 opts = setup_find_stream_info_opts(ic, codec_opts);
3731 orig_nb_streams = ic->nb_streams;
3733 /* If not enough info to get the stream parameters, we decode the
3734 first frames to get it. (used in mpeg case for example) */
3735 ret = avformat_find_stream_info(ic, opts);
3737 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3738 avformat_close_input(&ic);
3742 timestamp = o->start_time;
3743 /* add the stream start time */
3744 if (ic->start_time != AV_NOPTS_VALUE)
3745 timestamp += ic->start_time;
3747 /* if seeking requested, we execute it */
3748 if (o->start_time != 0) {
3749 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3751 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3752 filename, (double)timestamp / AV_TIME_BASE);
3756 /* update the current parameters so that they match the one of the input stream */
3757 add_input_streams(o, ic);
3759 /* dump the file content */
3760 av_dump_format(ic, nb_input_files, filename, 0);
3762 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3763 input_files[nb_input_files - 1].ctx = ic;
3764 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3765 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3766 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3767 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3769 for (i = 0; i < o->nb_dump_attachment; i++) {
3772 for (j = 0; j < ic->nb_streams; j++) {
3773 AVStream *st = ic->streams[j];
3775 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3776 dump_attachment(st, o->dump_attachment[i].u.str);
3780 for (i = 0; i < orig_nb_streams; i++)
3781 av_dict_free(&opts[i]);
3784 reset_options(o, 1);
3788 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3793 for (p = kf; *p; p++)
3796 ost->forced_kf_count = n;
3797 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3798 if (!ost->forced_kf_pts) {
3799 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3802 for (i = 0; i < n; i++) {
3803 p = i ? strchr(p, ',') + 1 : kf;
3804 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3808 static uint8_t *get_line(AVIOContext *s)
3814 if (avio_open_dyn_buf(&line) < 0) {
3815 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3819 while ((c = avio_r8(s)) && c != '\n')
3822 avio_close_dyn_buf(line, &buf);
3827 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3830 char filename[1000];
3831 const char *base[3] = { getenv("AVCONV_DATADIR"),
3836 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3840 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3841 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3842 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3845 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3846 i != 1 ? "" : "/.avconv", preset_name);
3847 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3853 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3855 char *codec_name = NULL;
3857 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3859 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3860 NULL, ost->st->codec->codec_type);
3861 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3862 } else if (!strcmp(codec_name, "copy"))
3863 ost->stream_copy = 1;
3865 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3866 ost->st->codec->codec_id = ost->enc->id;
3870 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3873 AVStream *st = avformat_new_stream(oc, NULL);
3874 int idx = oc->nb_streams - 1, ret = 0;
3875 char *bsf = NULL, *next, *codec_tag = NULL;
3876 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3878 char *buf = NULL, *arg = NULL, *preset = NULL;
3879 AVIOContext *s = NULL;
3882 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3886 if (oc->nb_streams - 1 < o->nb_streamid_map)
3887 st->id = o->streamid_map[oc->nb_streams - 1];
3889 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3890 nb_output_streams + 1);
3891 ost = &output_streams[nb_output_streams - 1];
3892 ost->file_index = nb_output_files;
3895 st->codec->codec_type = type;
3896 choose_encoder(o, oc, ost);
3898 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3901 avcodec_get_context_defaults3(st->codec, ost->enc);
3902 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3904 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3905 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3908 if (!buf[0] || buf[0] == '#') {
3912 if (!(arg = strchr(buf, '='))) {
3913 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3917 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3919 } while (!s->eof_reached);
3923 av_log(NULL, AV_LOG_FATAL,
3924 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3925 preset, ost->file_index, ost->index);
3929 ost->max_frames = INT64_MAX;
3930 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3932 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3934 if (next = strchr(bsf, ','))
3936 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3937 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3941 bsfc_prev->next = bsfc;
3943 ost->bitstream_filters = bsfc;
3949 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3951 uint32_t tag = strtol(codec_tag, &next, 0);
3953 tag = AV_RL32(codec_tag);
3954 st->codec->codec_tag = tag;
3957 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3958 if (qscale >= 0 || same_quant) {
3959 st->codec->flags |= CODEC_FLAG_QSCALE;
3960 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3963 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3964 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3966 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3970 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3973 const char *p = str;
3980 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3987 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3991 AVCodecContext *video_enc;
3993 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3995 video_enc = st->codec;
3997 if (!ost->stream_copy) {
3998 const char *p = NULL;
3999 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
4000 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
4001 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
4004 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
4005 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
4006 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
4010 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
4011 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
4012 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
4016 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
4017 if (frame_aspect_ratio) {
4019 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
4020 q.num <= 0 || q.den <= 0) {
4021 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
4024 ost->frame_aspect_ratio = av_q2d(q);
4027 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4028 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4029 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4030 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4033 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4036 video_enc->gop_size = 0;
4037 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4039 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4040 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4043 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4045 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4047 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4048 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4051 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4054 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4055 for (i = 0; p; i++) {
4057 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4059 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4062 /* FIXME realloc failure */
4063 video_enc->rc_override =
4064 av_realloc(video_enc->rc_override,
4065 sizeof(RcOverride) * (i + 1));
4066 video_enc->rc_override[i].start_frame = start;
4067 video_enc->rc_override[i].end_frame = end;
4069 video_enc->rc_override[i].qscale = q;
4070 video_enc->rc_override[i].quality_factor = 1.0;
4073 video_enc->rc_override[i].qscale = 0;
4074 video_enc->rc_override[i].quality_factor = -q/100.0;
4079 video_enc->rc_override_count = i;
4080 if (!video_enc->rc_initial_buffer_occupancy)
4081 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4082 video_enc->intra_dc_precision = intra_dc_precision - 8;
4085 video_enc->flags|= CODEC_FLAG_PSNR;
4090 video_enc->flags |= CODEC_FLAG_PASS1;
4093 video_enc->flags |= CODEC_FLAG_PASS2;
4097 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4098 if (forced_key_frames)
4099 parse_forced_key_frames(forced_key_frames, ost);
4101 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4103 ost->top_field_first = -1;
4104 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4107 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4109 ost->avfilter = av_strdup(filters);
4112 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4118 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4123 AVCodecContext *audio_enc;
4125 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4128 audio_enc = st->codec;
4129 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4131 if (!ost->stream_copy) {
4132 char *sample_fmt = NULL;
4134 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4136 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4138 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4139 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4143 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4145 ost->rematrix_volume=1.0;
4146 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4149 /* check for channel mapping for this audio stream */
4150 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4151 AudioChannelMap *map = &o->audio_channel_maps[n];
4152 InputStream *ist = &input_streams[ost->source_index];
4153 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4154 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4155 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4156 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4157 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4159 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4160 ost->file_index, ost->st->index);
4167 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4171 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4172 if (!ost->stream_copy) {
4173 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4180 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4182 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4183 ost->stream_copy = 1;
4187 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4191 AVCodecContext *subtitle_enc;
4193 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4195 subtitle_enc = st->codec;
4197 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4202 /* arg format is "output-stream-index:streamid-value". */
4203 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4209 av_strlcpy(idx_str, arg, sizeof(idx_str));
4210 p = strchr(idx_str, ':');
4212 av_log(NULL, AV_LOG_FATAL,
4213 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4218 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4219 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4220 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4224 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4226 AVFormatContext *is = ifile->ctx;
4227 AVFormatContext *os = ofile->ctx;
4230 for (i = 0; i < is->nb_chapters; i++) {
4231 AVChapter *in_ch = is->chapters[i], *out_ch;
4232 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4233 AV_TIME_BASE_Q, in_ch->time_base);
4234 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4235 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4238 if (in_ch->end < ts_off)
4240 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4243 out_ch = av_mallocz(sizeof(AVChapter));
4245 return AVERROR(ENOMEM);
4247 out_ch->id = in_ch->id;
4248 out_ch->time_base = in_ch->time_base;
4249 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4250 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4253 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4256 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4258 return AVERROR(ENOMEM);
4259 os->chapters[os->nb_chapters - 1] = out_ch;
4264 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4267 AVFormatContext *ic = avformat_alloc_context();
4269 ic->interrupt_callback = int_cb;
4270 err = avformat_open_input(&ic, filename, NULL, NULL);
4273 /* copy stream format */
4274 for(i=0;i<ic->nb_streams;i++) {
4278 AVCodecContext *avctx;
4280 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4281 ost = new_output_stream(o, s, codec->type);
4286 // FIXME: a more elegant solution is needed
4287 memcpy(st, ic->streams[i], sizeof(AVStream));
4289 st->info = av_malloc(sizeof(*st->info));
4290 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4292 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4294 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4295 choose_sample_fmt(st, codec);
4296 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4297 choose_pixel_fmt(st, codec);
4300 avformat_close_input(&ic);
4304 static void opt_output_file(void *optctx, const char *filename)
4306 OptionsContext *o = optctx;
4307 AVFormatContext *oc;
4309 AVOutputFormat *file_oformat;
4313 if (!strcmp(filename, "-"))
4316 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4318 print_error(filename, err);
4321 file_oformat= oc->oformat;
4322 oc->interrupt_callback = int_cb;
4324 if (!strcmp(file_oformat->name, "ffm") &&
4325 av_strstart(filename, "http:", NULL)) {
4327 /* special case for files sent to ffserver: we get the stream
4328 parameters from ffserver */
4329 int err = read_ffserver_streams(o, oc, filename);
4331 print_error(filename, err);
4334 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4335 ost = &output_streams[j];
4336 for (i = 0; i < nb_input_streams; i++) {
4337 ist = &input_streams[i];
4338 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4340 ost->source_index= i;
4342 ist->st->discard = AVDISCARD_NONE;
4347 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
4351 } else if (!o->nb_stream_maps) {
4352 /* pick the "best" stream of each type */
4353 #define NEW_STREAM(type, index)\
4355 ost = new_ ## type ## _stream(o, oc);\
4356 ost->source_index = index;\
4357 ost->sync_ist = &input_streams[index];\
4358 input_streams[index].discard = 0;\
4359 input_streams[index].st->discard = AVDISCARD_NONE;\
4362 /* video: highest resolution */
4363 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4364 int area = 0, idx = -1;
4365 for (i = 0; i < nb_input_streams; i++) {
4366 ist = &input_streams[i];
4367 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4368 ist->st->codec->width * ist->st->codec->height > area) {
4369 area = ist->st->codec->width * ist->st->codec->height;
4373 NEW_STREAM(video, idx);
4376 /* audio: most channels */
4377 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4378 int channels = 0, idx = -1;
4379 for (i = 0; i < nb_input_streams; i++) {
4380 ist = &input_streams[i];
4381 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4382 ist->st->codec->channels > channels) {
4383 channels = ist->st->codec->channels;
4387 NEW_STREAM(audio, idx);
4390 /* subtitles: pick first */
4391 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4392 for (i = 0; i < nb_input_streams; i++)
4393 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4394 NEW_STREAM(subtitle, i);
4398 /* do something with data? */
4400 for (i = 0; i < o->nb_stream_maps; i++) {
4401 StreamMap *map = &o->stream_maps[i];
4406 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4407 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4409 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4411 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4413 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4416 switch (ist->st->codec->codec_type) {
4417 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4418 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4419 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4420 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4421 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4423 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4424 map->file_index, map->stream_index);
4428 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4429 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4430 map->sync_stream_index];
4432 ist->st->discard = AVDISCARD_NONE;
4437 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4438 AVDictionaryEntry *e;
4439 ost = &output_streams[i];
4441 if ( ost->stream_copy
4442 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4443 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4444 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4448 /* handle attached files */
4449 for (i = 0; i < o->nb_attachments; i++) {
4451 uint8_t *attachment;
4455 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4456 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4460 if ((len = avio_size(pb)) <= 0) {
4461 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4465 if (!(attachment = av_malloc(len))) {
4466 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4470 avio_read(pb, attachment, len);
4472 ost = new_attachment_stream(o, oc);
4473 ost->stream_copy = 0;
4474 ost->source_index = -1;
4475 ost->attachment_filename = o->attachments[i];
4476 ost->st->codec->extradata = attachment;
4477 ost->st->codec->extradata_size = len;
4479 p = strrchr(o->attachments[i], '/');
4480 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4484 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4485 output_files[nb_output_files - 1].ctx = oc;
4486 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4487 output_files[nb_output_files - 1].recording_time = o->recording_time;
4488 if (o->recording_time != INT64_MAX)
4489 oc->duration = o->recording_time;
4490 output_files[nb_output_files - 1].start_time = o->start_time;
4491 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4492 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4494 /* check filename in case of an image number is expected */
4495 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4496 if (!av_filename_number_test(oc->filename)) {
4497 print_error(oc->filename, AVERROR(EINVAL));
4502 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4503 /* test if it already exists to avoid losing precious files */
4504 assert_file_overwrite(filename);
4507 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4508 &oc->interrupt_callback,
4509 &output_files[nb_output_files - 1].opts)) < 0) {
4510 print_error(filename, err);
4515 if (o->mux_preload) {
4517 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4518 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4520 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4523 for (i = 0; i < o->nb_metadata_map; i++) {
4525 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4527 if (in_file_index >= nb_input_files) {
4528 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4531 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index].ctx : NULL, o);
4535 if (o->chapters_input_file >= nb_input_files) {
4536 if (o->chapters_input_file == INT_MAX) {
4537 /* copy chapters from the first input file that has them*/
4538 o->chapters_input_file = -1;
4539 for (i = 0; i < nb_input_files; i++)
4540 if (input_files[i].ctx->nb_chapters) {
4541 o->chapters_input_file = i;
4545 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4546 o->chapters_input_file);
4550 if (o->chapters_input_file >= 0)
4551 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4552 !o->metadata_chapters_manual);
4554 /* copy global metadata by default */
4555 if (!o->metadata_global_manual && nb_input_files){
4556 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4557 AV_DICT_DONT_OVERWRITE);
4558 if(o->recording_time != INT64_MAX)
4559 av_dict_set(&oc->metadata, "duration", NULL, 0);
4561 if (!o->metadata_streams_manual)
4562 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4564 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4566 ist = &input_streams[output_streams[i].source_index];
4567 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4570 /* process manually set metadata */
4571 for (i = 0; i < o->nb_metadata; i++) {
4574 const char *stream_spec;
4575 int index = 0, j, ret = 0;
4577 val = strchr(o->metadata[i].u.str, '=');
4579 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4580 o->metadata[i].u.str);
4585 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4587 for (j = 0; j < oc->nb_streams; j++) {
4588 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4589 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4593 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4601 if (index < 0 || index >= oc->nb_chapters) {
4602 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4605 m = &oc->chapters[index]->metadata;
4608 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4611 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4615 reset_options(o, 0);
4618 /* same option as mencoder */
4619 static int opt_pass(const char *opt, const char *arg)
4621 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4625 static int64_t getutime(void)
4628 struct rusage rusage;
4630 getrusage(RUSAGE_SELF, &rusage);
4631 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4632 #elif HAVE_GETPROCESSTIMES
4634 FILETIME c, e, k, u;
4635 proc = GetCurrentProcess();
4636 GetProcessTimes(proc, &c, &e, &k, &u);
4637 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4639 return av_gettime();
4643 static int64_t getmaxrss(void)
4645 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4646 struct rusage rusage;
4647 getrusage(RUSAGE_SELF, &rusage);
4648 return (int64_t)rusage.ru_maxrss * 1024;
4649 #elif HAVE_GETPROCESSMEMORYINFO
4651 PROCESS_MEMORY_COUNTERS memcounters;
4652 proc = GetCurrentProcess();
4653 memcounters.cb = sizeof(memcounters);
4654 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4655 return memcounters.PeakPagefileUsage;
4661 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4663 return parse_option(o, "q:a", arg, options);
4666 static void show_usage(void)
4668 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4669 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4670 av_log(NULL, AV_LOG_INFO, "\n");
4673 static int opt_help(const char *opt, const char *arg)
4675 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4676 av_log_set_callback(log_callback_help);
4678 show_help_options(options, "Main options:\n",
4679 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4680 show_help_options(options, "\nAdvanced options:\n",
4681 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4683 show_help_options(options, "\nVideo options:\n",
4684 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4686 show_help_options(options, "\nAdvanced Video options:\n",
4687 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4688 OPT_VIDEO | OPT_EXPERT);
4689 show_help_options(options, "\nAudio options:\n",
4690 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4692 show_help_options(options, "\nAdvanced Audio options:\n",
4693 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4694 OPT_AUDIO | OPT_EXPERT);
4695 show_help_options(options, "\nSubtitle options:\n",
4696 OPT_SUBTITLE | OPT_GRAB,
4698 show_help_options(options, "\nAudio/Video grab options:\n",
4702 show_help_children(avcodec_get_class(), flags);
4703 show_help_children(avformat_get_class(), flags);
4704 show_help_children(sws_get_class(), flags);
4709 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4711 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4712 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4714 if (!strncmp(arg, "pal-", 4)) {
4717 } else if (!strncmp(arg, "ntsc-", 5)) {
4720 } else if (!strncmp(arg, "film-", 5)) {
4724 /* Try to determine PAL/NTSC by peeking in the input files */
4725 if (nb_input_files) {
4727 for (j = 0; j < nb_input_files; j++) {
4728 for (i = 0; i < input_files[j].nb_streams; i++) {
4729 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4730 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4732 fr = c->time_base.den * 1000 / c->time_base.num;
4736 } else if ((fr == 29970) || (fr == 23976)) {
4741 if (norm != UNKNOWN)
4745 if (norm != UNKNOWN)
4746 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4749 if (norm == UNKNOWN) {
4750 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4751 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4752 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4756 if (!strcmp(arg, "vcd")) {
4757 opt_video_codec(o, "c:v", "mpeg1video");
4758 opt_audio_codec(o, "c:a", "mp2");
4759 parse_option(o, "f", "vcd", options);
4761 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4762 parse_option(o, "r", frame_rates[norm], options);
4763 opt_default("g", norm == PAL ? "15" : "18");
4765 opt_default("b:v", "1150000");
4766 opt_default("maxrate", "1150000");
4767 opt_default("minrate", "1150000");
4768 opt_default("bufsize", "327680"); // 40*1024*8;
4770 opt_default("b:a", "224000");
4771 parse_option(o, "ar", "44100", options);
4772 parse_option(o, "ac", "2", options);
4774 opt_default("packetsize", "2324");
4775 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4777 /* We have to offset the PTS, so that it is consistent with the SCR.
4778 SCR starts at 36000, but the first two packs contain only padding
4779 and the first pack from the other stream, respectively, may also have
4780 been written before.
4781 So the real data starts at SCR 36000+3*1200. */
4782 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4783 } else if (!strcmp(arg, "svcd")) {
4785 opt_video_codec(o, "c:v", "mpeg2video");
4786 opt_audio_codec(o, "c:a", "mp2");
4787 parse_option(o, "f", "svcd", options);
4789 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4790 parse_option(o, "r", frame_rates[norm], options);
4791 parse_option(o, "pix_fmt", "yuv420p", options);
4792 opt_default("g", norm == PAL ? "15" : "18");
4794 opt_default("b:v", "2040000");
4795 opt_default("maxrate", "2516000");
4796 opt_default("minrate", "0"); // 1145000;
4797 opt_default("bufsize", "1835008"); // 224*1024*8;
4798 opt_default("flags", "+scan_offset");
4801 opt_default("b:a", "224000");
4802 parse_option(o, "ar", "44100", options);
4804 opt_default("packetsize", "2324");
4806 } else if (!strcmp(arg, "dvd")) {
4808 opt_video_codec(o, "c:v", "mpeg2video");
4809 opt_audio_codec(o, "c:a", "ac3");
4810 parse_option(o, "f", "dvd", options);
4812 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4813 parse_option(o, "r", frame_rates[norm], options);
4814 parse_option(o, "pix_fmt", "yuv420p", options);
4815 opt_default("g", norm == PAL ? "15" : "18");
4817 opt_default("b:v", "6000000");
4818 opt_default("maxrate", "9000000");
4819 opt_default("minrate", "0"); // 1500000;
4820 opt_default("bufsize", "1835008"); // 224*1024*8;
4822 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4823 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4825 opt_default("b:a", "448000");
4826 parse_option(o, "ar", "48000", options);
4828 } else if (!strncmp(arg, "dv", 2)) {
4830 parse_option(o, "f", "dv", options);
4832 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4833 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4834 norm == PAL ? "yuv420p" : "yuv411p", options);
4835 parse_option(o, "r", frame_rates[norm], options);
4837 parse_option(o, "ar", "48000", options);
4838 parse_option(o, "ac", "2", options);
4841 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4842 return AVERROR(EINVAL);
4847 static int opt_vstats_file(const char *opt, const char *arg)
4849 av_free (vstats_filename);
4850 vstats_filename = av_strdup (arg);
4854 static int opt_vstats(const char *opt, const char *arg)
4857 time_t today2 = time(NULL);
4858 struct tm *today = localtime(&today2);
4860 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4862 return opt_vstats_file(opt, filename);
4865 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4867 return parse_option(o, "frames:v", arg, options);
4870 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4872 return parse_option(o, "frames:a", arg, options);
4875 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4877 return parse_option(o, "frames:d", arg, options);
4880 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4883 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4884 const char *codec_name = *opt == 'v' ? video_codec_name :
4885 *opt == 'a' ? audio_codec_name :
4886 subtitle_codec_name;
4888 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4889 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4890 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4892 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4897 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4898 if(line[0] == '#' && !e)
4900 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4902 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4905 if(!strcmp(tmp, "acodec")){
4906 opt_audio_codec(o, tmp, tmp2);
4907 }else if(!strcmp(tmp, "vcodec")){
4908 opt_video_codec(o, tmp, tmp2);
4909 }else if(!strcmp(tmp, "scodec")){
4910 opt_subtitle_codec(o, tmp, tmp2);
4911 }else if(!strcmp(tmp, "dcodec")){
4912 opt_data_codec(o, tmp, tmp2);
4913 }else if(opt_default(tmp, tmp2) < 0){
4914 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4924 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4928 static int opt_passlogfile(const char *opt, const char *arg)
4930 pass_logfilename_prefix = arg;
4931 #if CONFIG_LIBX264_ENCODER
4932 return opt_default(opt, arg);
4938 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4940 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4941 int ret = parse_option(o, s, arg, options);
4946 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4948 if(!strcmp(opt, "b")){
4949 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4950 return parse_option(o, "b:v", arg, options);
4952 return opt_default(opt, arg);
4955 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4959 if(!strcmp(opt, "qscale")){
4960 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4961 return parse_option(o, "q:v", arg, options);
4963 s = av_asprintf("q%s", opt + 6);
4964 ret = parse_option(o, s, arg, options);
4969 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4971 return parse_option(o, "filter:v", arg, options);
4974 static int opt_vsync(const char *opt, const char *arg)
4976 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4977 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4978 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4979 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4981 if (video_sync_method == VSYNC_AUTO)
4982 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4986 static int opt_deinterlace(const char *opt, const char *arg)
4988 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4993 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4995 int idx = locate_option(argc, argv, options, "cpuflags");
4996 if (idx && argv[idx + 1])
4997 opt_cpuflags("cpuflags", argv[idx + 1]);
5000 #define OFFSET(x) offsetof(OptionsContext, x)
5001 static const OptionDef options[] = {
5003 #include "cmdutils_common_opts.h"
5004 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
5005 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
5006 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
5007 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
5008 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5009 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5010 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
5011 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
5012 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
5013 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
5014 "outfile[,metadata]:infile[,metadata]" },
5015 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
5016 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
5017 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
5018 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
5019 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
5020 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
5021 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
5022 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
5023 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
5024 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5025 "add timings for benchmarking" },
5026 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5027 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5028 "dump each input packet" },
5029 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5030 "when dumping packets, also dump the payload" },
5031 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5032 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5033 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5034 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5035 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5036 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5037 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5038 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5039 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5040 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5041 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5042 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5043 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5044 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5045 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5046 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5048 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5050 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5051 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5052 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5053 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5056 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5057 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5058 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5059 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
5060 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5061 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
5062 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5063 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5064 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5065 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5066 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5067 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5068 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5069 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5070 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5071 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
5072 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5073 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5074 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5075 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5076 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5077 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5078 "use same quantizer as source (implies VBR)" },
5079 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5080 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5081 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5082 "this option is deprecated, use the yadif filter instead" },
5083 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5084 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5085 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5087 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5089 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5090 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5091 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5092 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5093 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5094 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5095 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5096 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5097 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
5098 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5101 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5102 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5103 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5104 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5105 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5106 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5107 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5108 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5109 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5110 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5112 /* subtitle options */
5113 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5114 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5115 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5118 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5119 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5120 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5123 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5124 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5126 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5127 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5128 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5130 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5131 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5132 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5133 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5134 /* data codec support */
5135 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5136 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5138 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5142 int main(int argc, char **argv)
5144 OptionsContext o = { 0 };
5147 reset_options(&o, 0);
5149 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5150 parse_loglevel(argc, argv, options);
5152 if(argc>1 && !strcmp(argv[1], "-d")){
5154 av_log_set_callback(log_callback_null);
5159 avcodec_register_all();
5161 avdevice_register_all();
5164 avfilter_register_all();
5167 avformat_network_init();
5169 show_banner(argc, argv, options);
5173 parse_cpuflags(argc, argv, options);
5176 parse_options(&o, argc, argv, options, opt_output_file);
5178 if (nb_output_files <= 0 && nb_input_files == 0) {
5180 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5184 /* file converter / grab */
5185 if (nb_output_files <= 0) {
5186 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5190 if (nb_input_files == 0) {
5191 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5196 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5198 ti = getutime() - ti;
5200 int maxrss = getmaxrss() / 1024;
5201 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);