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)
1012 ost->frame_number++;
1016 AVPacket new_pkt = *pkt;
1017 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1018 &new_pkt.data, &new_pkt.size,
1019 pkt->data, pkt->size,
1020 pkt->flags & AV_PKT_FLAG_KEY);
1022 av_free_packet(pkt);
1023 new_pkt.destruct = av_destruct_packet;
1025 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1026 bsfc->filter->name, pkt->stream_index,
1027 avctx->codec ? avctx->codec->name : "copy");
1037 pkt->stream_index = ost->index;
1038 ret = av_interleaved_write_frame(s, pkt);
1040 print_error("av_interleaved_write_frame()", ret);
1045 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1047 int fill_char = 0x00;
1048 if (sample_fmt == AV_SAMPLE_FMT_U8)
1050 memset(buf, fill_char, size);
1053 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1054 const uint8_t *buf, int buf_size)
1056 AVCodecContext *enc = ost->st->codec;
1057 AVFrame *frame = NULL;
1059 int ret, got_packet;
1061 av_init_packet(&pkt);
1066 if (!ost->output_frame) {
1067 ost->output_frame = avcodec_alloc_frame();
1068 if (!ost->output_frame) {
1069 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1073 frame = ost->output_frame;
1074 if (frame->extended_data != frame->data)
1075 av_freep(&frame->extended_data);
1076 avcodec_get_frame_defaults(frame);
1078 frame->nb_samples = buf_size /
1079 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1080 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1081 buf, buf_size, 1)) < 0) {
1082 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1086 ost->sync_opts += frame->nb_samples;
1090 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1091 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1098 if (pkt.pts != AV_NOPTS_VALUE)
1099 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1100 if (pkt.dts != AV_NOPTS_VALUE)
1101 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1102 if (pkt.duration > 0)
1103 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1105 write_frame(s, &pkt, ost);
1107 audio_size += pkt.size;
1109 av_free_packet(&pkt);
1113 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1114 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1115 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1116 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1122 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1123 InputStream *ist, AVFrame *decoded_frame)
1126 int64_t audio_buf_size, size_out;
1128 int frame_bytes, resample_changed;
1129 AVCodecContext *enc = ost->st->codec;
1130 AVCodecContext *dec = ist->st->codec;
1131 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1132 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1133 uint8_t *buf = decoded_frame->data[0];
1134 int size = decoded_frame->nb_samples * dec->channels * isize;
1135 int64_t allocated_for_size = size;
1138 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1139 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1140 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1141 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1142 audio_buf_size *= osize * enc->channels;
1144 if (audio_buf_size > INT_MAX) {
1145 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1149 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1151 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1155 if (enc->channels != dec->channels
1156 || enc->sample_fmt != dec->sample_fmt
1157 || enc->sample_rate!= dec->sample_rate
1159 ost->audio_resample = 1;
1161 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1162 ost->resample_channels != dec->channels ||
1163 ost->resample_sample_rate != dec->sample_rate;
1165 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1166 if (resample_changed) {
1167 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",
1168 ist->file_index, ist->st->index,
1169 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1170 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1171 ost->resample_sample_fmt = dec->sample_fmt;
1172 ost->resample_channels = dec->channels;
1173 ost->resample_sample_rate = dec->sample_rate;
1174 swr_free(&ost->swr);
1176 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1177 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1178 ost->resample_sample_fmt == enc->sample_fmt &&
1179 ost->resample_channels == enc->channels &&
1180 ost->resample_sample_rate == enc->sample_rate) {
1182 ost->audio_resample = 0;
1184 ost->swr = swr_alloc_set_opts(ost->swr,
1185 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1186 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1188 if (ost->audio_channels_mapped)
1189 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1190 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1191 if (ost->audio_channels_mapped) {
1192 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1193 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1195 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1196 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1199 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1200 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1203 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1204 if(ost->swr && swr_init(ost->swr) < 0){
1205 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1206 swr_free(&ost->swr);
1210 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1211 dec->channels, dec->sample_rate,
1212 enc->channels, enc->sample_rate);
1218 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1220 if (audio_sync_method) {
1221 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1222 av_fifo_size(ost->fifo) / (enc->channels * osize);
1223 int idelta = delta * dec->sample_rate / enc->sample_rate;
1224 int byte_delta = idelta * isize * dec->channels;
1226 // FIXME resample delay
1227 if (fabs(delta) > 50) {
1228 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1229 if (byte_delta < 0) {
1230 byte_delta = FFMAX(byte_delta, -size);
1233 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1234 -byte_delta / (isize * dec->channels));
1239 input_tmp = av_realloc(input_tmp, byte_delta + size);
1241 if (byte_delta > allocated_for_size - size) {
1242 allocated_for_size = byte_delta + (int64_t)size;
1247 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1248 memcpy(input_tmp + byte_delta, buf, size);
1251 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1253 } else if (audio_sync_method > 1) {
1254 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1255 av_assert0(ost->audio_resample);
1256 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1257 delta, comp, enc->sample_rate);
1258 // 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));
1259 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1263 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1264 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1266 if (ost->audio_resample || ost->audio_channels_mapped) {
1268 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1269 (const uint8_t*[]){buf }, size / (dec->channels * isize));
1271 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1274 size_out = size_out * enc->channels * osize;
1280 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1282 /* now encode as many frames as possible */
1283 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1284 /* output resampled raw samples */
1285 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1286 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1289 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1291 frame_bytes = enc->frame_size * osize * enc->channels;
1293 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1294 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1295 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1298 encode_audio_frame(s, ost, buftmp, size_out);
1302 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1304 AVCodecContext *dec;
1305 AVPicture *picture2;
1306 AVPicture picture_tmp;
1309 dec = ist->st->codec;
1311 /* deinterlace : must be done before any resize */
1312 if (do_deinterlace) {
1315 /* create temporary picture */
1316 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1317 buf = av_malloc(size);
1321 picture2 = &picture_tmp;
1322 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1324 if (avpicture_deinterlace(picture2, picture,
1325 dec->pix_fmt, dec->width, dec->height) < 0) {
1326 /* if error, do not deinterlace */
1327 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1336 if (picture != picture2)
1337 *picture = *picture2;
1341 static void do_subtitle_out(AVFormatContext *s,
1347 static uint8_t *subtitle_out = NULL;
1348 int subtitle_out_max_size = 1024 * 1024;
1349 int subtitle_out_size, nb, i;
1350 AVCodecContext *enc;
1353 if (pts == AV_NOPTS_VALUE) {
1354 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1360 enc = ost->st->codec;
1362 if (!subtitle_out) {
1363 subtitle_out = av_malloc(subtitle_out_max_size);
1366 /* Note: DVB subtitle need one packet to draw them and one other
1367 packet to clear them */
1368 /* XXX: signal it in the codec context ? */
1369 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1374 for (i = 0; i < nb; i++) {
1375 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1377 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1378 // start_display_time is required to be 0
1379 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1380 sub->end_display_time -= sub->start_display_time;
1381 sub->start_display_time = 0;
1382 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1383 subtitle_out_max_size, sub);
1384 if (subtitle_out_size < 0) {
1385 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1389 av_init_packet(&pkt);
1390 pkt.data = subtitle_out;
1391 pkt.size = subtitle_out_size;
1392 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1393 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1394 /* XXX: the pts correction is handled here. Maybe handling
1395 it in the codec would be better */
1397 pkt.pts += 90 * sub->start_display_time;
1399 pkt.pts += 90 * sub->end_display_time;
1401 write_frame(s, &pkt, ost);
1405 static void do_video_resample(OutputStream *ost,
1407 AVFrame *in_picture,
1408 AVFrame **out_picture)
1411 *out_picture = in_picture;
1413 AVCodecContext *dec = ist->st->codec;
1414 AVCodecContext *enc = ost->st->codec;
1415 int resample_changed = ost->resample_width != in_picture->width ||
1416 ost->resample_height != in_picture->height ||
1417 ost->resample_pix_fmt != in_picture->format;
1419 *out_picture = in_picture;
1420 if (resample_changed) {
1421 av_log(NULL, AV_LOG_INFO,
1422 "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",
1423 ist->file_index, ist->st->index,
1424 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1425 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1426 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1427 ost->resample_width = in_picture->width;
1428 ost->resample_height = in_picture->height;
1429 ost->resample_pix_fmt = in_picture->format;
1432 ost->video_resample = in_picture->width != enc->width ||
1433 in_picture->height != enc->height ||
1434 in_picture->format != enc->pix_fmt;
1436 if (ost->video_resample) {
1437 *out_picture = &ost->resample_frame;
1438 if (!ost->img_resample_ctx || resample_changed) {
1439 /* initialize the destination picture */
1440 if (!ost->resample_frame.data[0]) {
1441 avcodec_get_frame_defaults(&ost->resample_frame);
1442 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1443 enc->width, enc->height)) {
1444 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1448 /* initialize a new scaler context */
1449 sws_freeContext(ost->img_resample_ctx);
1450 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1451 enc->width, enc->height, enc->pix_fmt,
1452 ost->sws_flags, NULL, NULL, NULL);
1453 if (ost->img_resample_ctx == NULL) {
1454 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1458 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1459 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1464 static double psnr(double d)
1466 return -10.0 * log(d) / log(10.0);
1469 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1472 AVCodecContext *enc;
1474 double ti1, bitrate, avg_bitrate;
1476 /* this is executed just the first time do_video_stats is called */
1478 vstats_file = fopen(vstats_filename, "w");
1485 enc = ost->st->codec;
1486 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1487 frame_number = ost->frame_number;
1488 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1489 if (enc->flags&CODEC_FLAG_PSNR)
1490 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1492 fprintf(vstats_file,"f_size= %6d ", frame_size);
1493 /* compute pts value */
1494 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1498 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1499 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1500 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1501 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1502 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1507 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1508 InputStream *ist, AVFrame *in_picture)
1510 int nb_frames, i, ret, format_video_sync;
1511 AVFrame *final_picture;
1512 AVCodecContext *enc;
1513 double sync_ipts, delta;
1514 double duration = 0;
1516 float quality = same_quant ? in_picture->quality
1517 : ost->st->codec->global_quality;
1519 enc = ost->st->codec;
1521 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1522 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1523 if(ist->st->avg_frame_rate.num)
1524 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1526 duration /= av_q2d(enc->time_base);
1529 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1530 delta = sync_ipts - ost->sync_opts + duration;
1532 /* by default, we output a single frame */
1535 format_video_sync = video_sync_method;
1536 if (format_video_sync == VSYNC_AUTO)
1537 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1539 switch (format_video_sync) {
1541 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1544 else if (delta > 1.1)
1545 nb_frames = lrintf(delta);
1550 else if (delta > 0.6)
1551 ost->sync_opts = lrintf(sync_ipts);
1554 case VSYNC_PASSTHROUGH:
1555 ost->sync_opts = lrintf(sync_ipts);
1561 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1562 if (nb_frames == 0) {
1564 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1566 } else if (nb_frames > 1) {
1567 nb_frames_dup += nb_frames - 1;
1568 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1571 do_video_resample(ost, ist, in_picture, &final_picture);
1573 /* duplicates frame if needed */
1574 for (i = 0; i < nb_frames; i++) {
1576 av_init_packet(&pkt);
1580 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1581 enc->codec->id == CODEC_ID_RAWVIDEO) {
1582 /* raw pictures are written as AVPicture structure to
1583 avoid any copies. We support temporarily the older
1585 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1586 enc->coded_frame->top_field_first = in_picture->top_field_first;
1587 pkt.data = (uint8_t *)final_picture;
1588 pkt.size = sizeof(AVPicture);
1589 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1590 pkt.flags |= AV_PKT_FLAG_KEY;
1592 write_frame(s, &pkt, ost);
1595 AVFrame big_picture;
1597 big_picture = *final_picture;
1598 /* better than nothing: use input picture interlaced
1600 big_picture.interlaced_frame = in_picture->interlaced_frame;
1601 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1602 if (ost->top_field_first == -1)
1603 big_picture.top_field_first = in_picture->top_field_first;
1605 big_picture.top_field_first = !!ost->top_field_first;
1608 /* handles same_quant here. This is not correct because it may
1609 not be a global option */
1610 big_picture.quality = quality;
1611 if (!enc->me_threshold)
1612 big_picture.pict_type = 0;
1613 big_picture.pts = ost->sync_opts;
1614 if (ost->forced_kf_index < ost->forced_kf_count &&
1615 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1616 big_picture.pict_type = AV_PICTURE_TYPE_I;
1617 ost->forced_kf_index++;
1619 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1621 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1626 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1627 pkt.pts = ost->sync_opts;
1629 if (pkt.pts != AV_NOPTS_VALUE)
1630 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1631 if (pkt.dts != AV_NOPTS_VALUE)
1632 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1635 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1636 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1637 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1638 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1641 if (format_video_sync == VSYNC_DROP)
1642 pkt.pts = pkt.dts = AV_NOPTS_VALUE;
1644 write_frame(s, &pkt, ost);
1645 frame_size = pkt.size;
1646 video_size += pkt.size;
1647 av_free_packet(&pkt);
1649 /* if two pass, output log */
1650 if (ost->logfile && enc->stats_out) {
1651 fprintf(ost->logfile, "%s", enc->stats_out);
1657 * For video, number of frames in == number of packets out.
1658 * But there may be reordering, so we can't throw away frames on encoder
1659 * flush, we need to limit them here, before they go into encoder.
1661 ost->frame_number++;
1663 if (vstats_filename && frame_size)
1664 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1667 static void print_report(OutputFile *output_files,
1668 OutputStream *ost_table, int nb_ostreams,
1669 int is_last_report, int64_t timer_start, int64_t cur_time)
1673 AVFormatContext *oc;
1675 AVCodecContext *enc;
1676 int frame_number, vid, i;
1678 int64_t pts = INT64_MAX;
1679 static int64_t last_time = -1;
1680 static int qp_histogram[52];
1681 int hours, mins, secs, us;
1683 if (!print_stats && !is_last_report)
1686 if (!is_last_report) {
1687 if (last_time == -1) {
1688 last_time = cur_time;
1691 if ((cur_time - last_time) < 500000)
1693 last_time = cur_time;
1697 oc = output_files[0].ctx;
1699 total_size = avio_size(oc->pb);
1700 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1701 total_size = avio_tell(oc->pb);
1708 for (i = 0; i < nb_ostreams; i++) {
1710 ost = &ost_table[i];
1711 enc = ost->st->codec;
1712 if (!ost->stream_copy && enc->coded_frame)
1713 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1714 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1715 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1717 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1718 float fps, t = (cur_time-timer_start) / 1000000.0;
1720 frame_number = ost->frame_number;
1721 fps = t > 1 ? frame_number / t : 0;
1722 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1723 frame_number, fps < 9.95, fps, q);
1725 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1729 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1731 for (j = 0; j < 32; j++)
1732 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1734 if (enc->flags&CODEC_FLAG_PSNR) {
1736 double error, error_sum = 0;
1737 double scale, scale_sum = 0;
1738 char type[3] = { 'Y','U','V' };
1739 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1740 for (j = 0; j < 3; j++) {
1741 if (is_last_report) {
1742 error = enc->error[j];
1743 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1745 error = enc->coded_frame->error[j];
1746 scale = enc->width * enc->height * 255.0 * 255.0;
1752 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1754 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1758 /* compute min output value */
1759 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1760 ost->st->time_base, AV_TIME_BASE_Q));
1763 secs = pts / AV_TIME_BASE;
1764 us = pts % AV_TIME_BASE;
1770 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1772 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1773 "size=%8.0fkB time=", total_size / 1024.0);
1774 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1775 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1776 (100 * us) / AV_TIME_BASE);
1777 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1778 "bitrate=%6.1fkbits/s", bitrate);
1780 if (nb_frames_dup || nb_frames_drop)
1781 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1782 nb_frames_dup, nb_frames_drop);
1784 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1788 if (is_last_report) {
1789 int64_t raw= audio_size + video_size + extra_size;
1790 av_log(NULL, AV_LOG_INFO, "\n");
1791 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1792 video_size / 1024.0,
1793 audio_size / 1024.0,
1794 extra_size / 1024.0,
1795 100.0 * (total_size - raw) / raw
1797 if(video_size + audio_size + extra_size == 0){
1798 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1803 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1807 for (i = 0; i < nb_ostreams; i++) {
1808 OutputStream *ost = &ost_table[i];
1809 AVCodecContext *enc = ost->st->codec;
1810 AVFormatContext *os = output_files[ost->file_index].ctx;
1811 int stop_encoding = 0;
1813 if (!ost->encoding_needed)
1816 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1818 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1823 int fifo_bytes, got_packet;
1824 av_init_packet(&pkt);
1828 switch (ost->st->codec->codec_type) {
1829 case AVMEDIA_TYPE_AUDIO:
1830 fifo_bytes = av_fifo_size(ost->fifo);
1831 if (fifo_bytes > 0) {
1832 /* encode any samples remaining in fifo */
1833 int frame_bytes = fifo_bytes;
1835 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1837 /* pad last frame with silence if needed */
1838 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1839 frame_bytes = enc->frame_size * enc->channels *
1840 av_get_bytes_per_sample(enc->sample_fmt);
1841 if (allocated_audio_buf_size < frame_bytes)
1843 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1845 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1847 /* flush encoder with NULL frames until it is done
1848 returning packets */
1849 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1855 case AVMEDIA_TYPE_VIDEO:
1856 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1858 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1861 video_size += pkt.size;
1862 if (ost->logfile && enc->stats_out) {
1863 fprintf(ost->logfile, "%s", enc->stats_out);
1869 if (pkt.pts != AV_NOPTS_VALUE)
1870 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1871 if (pkt.dts != AV_NOPTS_VALUE)
1872 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1873 write_frame(os, &pkt, ost);
1885 * Check whether a packet from ist should be written into ost at this time
1887 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1889 OutputFile *of = &output_files[ost->file_index];
1890 int ist_index = ist - input_streams;
1892 if (ost->source_index != ist_index)
1895 if (of->start_time && ist->pts < of->start_time)
1898 if (of->recording_time != INT64_MAX &&
1899 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1900 (AVRational){ 1, 1000000 }) >= 0) {
1901 ost->is_past_recording_time = 1;
1908 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1910 OutputFile *of = &output_files[ost->file_index];
1911 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1915 av_init_packet(&opkt);
1917 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1918 !ost->copy_initial_nonkeyframes)
1921 /* force the input stream PTS */
1922 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1923 audio_size += pkt->size;
1924 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1925 video_size += pkt->size;
1929 if (pkt->pts != AV_NOPTS_VALUE)
1930 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1932 opkt.pts = AV_NOPTS_VALUE;
1934 if (pkt->dts == AV_NOPTS_VALUE)
1935 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1937 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1938 opkt.dts -= ost_tb_start_time;
1940 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1941 opkt.flags = pkt->flags;
1943 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1944 if ( ost->st->codec->codec_id != CODEC_ID_H264
1945 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1946 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1947 && ost->st->codec->codec_id != CODEC_ID_VC1
1949 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1950 opkt.destruct = av_destruct_packet;
1952 opkt.data = pkt->data;
1953 opkt.size = pkt->size;
1955 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1956 /* store AVPicture in AVPacket, as expected by the output format */
1957 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1958 opkt.data = (uint8_t *)&pict;
1959 opkt.size = sizeof(AVPicture);
1960 opkt.flags |= AV_PKT_FLAG_KEY;
1963 write_frame(of->ctx, &opkt, ost);
1964 ost->st->codec->frame_number++;
1965 av_free_packet(&opkt);
1968 static void rate_emu_sleep(InputStream *ist)
1970 if (input_files[ist->file_index].rate_emu) {
1971 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1972 int64_t now = av_gettime() - ist->start;
1978 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1980 AVFrame *decoded_frame;
1981 AVCodecContext *avctx = ist->st->codec;
1982 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1985 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1986 return AVERROR(ENOMEM);
1988 avcodec_get_frame_defaults(ist->decoded_frame);
1989 decoded_frame = ist->decoded_frame;
1991 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1997 /* no audio frame */
2001 /* if the decoder provides a pts, use it instead of the last packet pts.
2002 the decoder could be delaying output by a packet or more. */
2003 if (decoded_frame->pts != AV_NOPTS_VALUE)
2004 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2006 /* increment next_dts to use for the case where the input stream does not
2007 have timestamps or there are multiple frames in the packet */
2008 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2010 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2014 // preprocess audio (volume)
2015 if (audio_volume != 256) {
2016 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2017 void *samples = decoded_frame->data[0];
2018 switch (avctx->sample_fmt) {
2019 case AV_SAMPLE_FMT_U8:
2021 uint8_t *volp = samples;
2022 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2023 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2024 *volp++ = av_clip_uint8(v);
2028 case AV_SAMPLE_FMT_S16:
2030 int16_t *volp = samples;
2031 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2032 int v = ((*volp) * audio_volume + 128) >> 8;
2033 *volp++ = av_clip_int16(v);
2037 case AV_SAMPLE_FMT_S32:
2039 int32_t *volp = samples;
2040 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2041 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2042 *volp++ = av_clipl_int32(v);
2046 case AV_SAMPLE_FMT_FLT:
2048 float *volp = samples;
2049 float scale = audio_volume / 256.f;
2050 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2055 case AV_SAMPLE_FMT_DBL:
2057 double *volp = samples;
2058 double scale = audio_volume / 256.;
2059 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2065 av_log(NULL, AV_LOG_FATAL,
2066 "Audio volume adjustment on sample format %s is not supported.\n",
2067 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2072 rate_emu_sleep(ist);
2074 for (i = 0; i < nb_output_streams; i++) {
2075 OutputStream *ost = &output_streams[i];
2077 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2079 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2085 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2087 AVFrame *decoded_frame;
2088 void *buffer_to_free = NULL;
2090 int64_t *best_effort_timestamp;
2091 AVRational *frame_sample_aspect;
2093 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2094 return AVERROR(ENOMEM);
2096 avcodec_get_frame_defaults(ist->decoded_frame);
2097 decoded_frame = ist->decoded_frame;
2098 pkt->pts = *pkt_pts;
2099 pkt->dts = ist->dts;
2100 *pkt_pts = AV_NOPTS_VALUE;
2102 ret = avcodec_decode_video2(ist->st->codec,
2103 decoded_frame, got_output, pkt);
2108 /* no picture yet */
2112 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2113 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2114 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2118 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2121 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2122 for(i=0;i<nb_output_streams;i++) {
2123 OutputStream *ost = ost = &output_streams[i];
2124 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2125 if (!frame_sample_aspect->num)
2126 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2127 decoded_frame->pts = ist->pts;
2128 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2129 FrameBuffer *buf = decoded_frame->opaque;
2130 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2131 decoded_frame->data, decoded_frame->linesize,
2132 AV_PERM_READ | AV_PERM_PRESERVE,
2133 ist->st->codec->width, ist->st->codec->height,
2134 ist->st->codec->pix_fmt);
2136 avfilter_copy_frame_props(fb, decoded_frame);
2137 fb->buf->priv = buf;
2138 fb->buf->free = filter_release_buffer;
2141 av_buffersrc_buffer(ost->input_video_filter, fb);
2143 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2144 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2151 rate_emu_sleep(ist);
2153 for (i = 0; i < nb_output_streams; i++) {
2154 OutputStream *ost = &output_streams[i];
2156 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2160 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2161 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2162 AVFrame *filtered_frame;
2164 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2165 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2168 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2169 ret = AVERROR(ENOMEM);
2172 filtered_frame = ist->filtered_frame;
2173 *filtered_frame= *decoded_frame; //for me_threshold
2174 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2175 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2176 if (ost->picref->video && !ost->frame_aspect_ratio)
2177 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2178 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2180 avfilter_unref_buffer(ost->picref);
2183 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2188 av_free(buffer_to_free);
2192 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2194 AVSubtitle subtitle;
2195 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2196 &subtitle, got_output, pkt);
2202 rate_emu_sleep(ist);
2204 for (i = 0; i < nb_output_streams; i++) {
2205 OutputStream *ost = &output_streams[i];
2207 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2210 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2213 avsubtitle_free(&subtitle);
2217 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2218 static int output_packet(InputStream *ist,
2219 OutputStream *ost_table, int nb_ostreams,
2220 const AVPacket *pkt)
2224 int64_t pkt_pts = AV_NOPTS_VALUE;
2228 if (ist->next_dts == AV_NOPTS_VALUE)
2229 ist->next_dts = ist->dts;
2230 if (ist->next_pts == AV_NOPTS_VALUE)
2231 ist->next_pts = ist->pts;
2235 av_init_packet(&avpkt);
2243 if (pkt->dts != AV_NOPTS_VALUE) {
2244 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2245 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2246 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2248 if(pkt->pts != AV_NOPTS_VALUE)
2249 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2251 // while we have more to decode or while the decoder did output something on EOF
2252 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2256 ist->pts = ist->next_pts;
2257 ist->dts = ist->next_dts;
2259 if (avpkt.size && avpkt.size != pkt->size) {
2260 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2261 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2262 ist->showed_multi_packet_warning = 1;
2265 switch (ist->st->codec->codec_type) {
2266 case AVMEDIA_TYPE_AUDIO:
2267 ret = transcode_audio (ist, &avpkt, &got_output);
2269 case AVMEDIA_TYPE_VIDEO:
2270 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2271 if (avpkt.duration) {
2272 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2273 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2274 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2275 duration = ((int64_t)AV_TIME_BASE *
2276 ist->st->codec->time_base.num * ticks) /
2277 ist->st->codec->time_base.den;
2281 if(ist->dts != AV_NOPTS_VALUE && duration) {
2282 ist->next_dts += duration;
2284 ist->next_dts = AV_NOPTS_VALUE;
2287 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2289 case AVMEDIA_TYPE_SUBTITLE:
2290 ret = transcode_subtitles(ist, &avpkt, &got_output);
2300 avpkt.pts= AV_NOPTS_VALUE;
2302 // touch data and size only if not EOF
2304 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2314 /* handle stream copy */
2315 if (!ist->decoding_needed) {
2316 rate_emu_sleep(ist);
2317 ist->dts = ist->next_dts;
2318 switch (ist->st->codec->codec_type) {
2319 case AVMEDIA_TYPE_AUDIO:
2320 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2321 ist->st->codec->sample_rate;
2323 case AVMEDIA_TYPE_VIDEO:
2324 if (pkt->duration) {
2325 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2326 } else if(ist->st->codec->time_base.num != 0) {
2327 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2328 ist->next_dts += ((int64_t)AV_TIME_BASE *
2329 ist->st->codec->time_base.num * ticks) /
2330 ist->st->codec->time_base.den;
2334 ist->pts = ist->dts;
2335 ist->next_pts = ist->next_dts;
2337 for (i = 0; pkt && i < nb_ostreams; i++) {
2338 OutputStream *ost = &ost_table[i];
2340 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2343 do_streamcopy(ist, ost, pkt);
2349 static void print_sdp(OutputFile *output_files, int n)
2353 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2357 for (i = 0; i < n; i++)
2358 avc[i] = output_files[i].ctx;
2360 av_sdp_create(avc, n, sdp, sizeof(sdp));
2361 printf("SDP:\n%s\n", sdp);
2366 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2367 char *error, int error_len)
2369 InputStream *ist = &input_streams[ist_index];
2370 if (ist->decoding_needed) {
2371 AVCodec *codec = ist->dec;
2373 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2374 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2375 return AVERROR(EINVAL);
2378 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2379 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2380 ist->st->codec->get_buffer = codec_get_buffer;
2381 ist->st->codec->release_buffer = codec_release_buffer;
2382 ist->st->codec->opaque = ist;
2385 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2386 av_dict_set(&ist->opts, "threads", "auto", 0);
2387 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2388 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2389 ist->file_index, ist->st->index);
2390 return AVERROR(EINVAL);
2392 assert_codec_experimental(ist->st->codec, 0);
2393 assert_avoptions(ist->opts);
2396 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;
2397 ist->next_pts = AV_NOPTS_VALUE;
2398 ist->next_dts = AV_NOPTS_VALUE;
2404 static int transcode_init(OutputFile *output_files, int nb_output_files,
2405 InputFile *input_files, int nb_input_files)
2407 int ret = 0, i, j, k;
2408 AVFormatContext *oc;
2409 AVCodecContext *codec, *icodec;
2415 /* init framerate emulation */
2416 for (i = 0; i < nb_input_files; i++) {
2417 InputFile *ifile = &input_files[i];
2418 if (ifile->rate_emu)
2419 for (j = 0; j < ifile->nb_streams; j++)
2420 input_streams[j + ifile->ist_index].start = av_gettime();
2423 /* output stream init */
2424 for (i = 0; i < nb_output_files; i++) {
2425 oc = output_files[i].ctx;
2426 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2427 av_dump_format(oc, i, oc->filename, 1);
2428 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2429 return AVERROR(EINVAL);
2433 /* for each output stream, we compute the right encoding parameters */
2434 for (i = 0; i < nb_output_streams; i++) {
2435 ost = &output_streams[i];
2436 oc = output_files[ost->file_index].ctx;
2437 ist = &input_streams[ost->source_index];
2439 if (ost->attachment_filename)
2442 codec = ost->st->codec;
2443 icodec = ist->st->codec;
2445 ost->st->disposition = ist->st->disposition;
2446 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2447 codec->chroma_sample_location = icodec->chroma_sample_location;
2449 if (ost->stream_copy) {
2450 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2452 if (extra_size > INT_MAX) {
2453 return AVERROR(EINVAL);
2456 /* if stream_copy is selected, no need to decode or encode */
2457 codec->codec_id = icodec->codec_id;
2458 codec->codec_type = icodec->codec_type;
2460 if (!codec->codec_tag) {
2461 if (!oc->oformat->codec_tag ||
2462 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2463 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2464 codec->codec_tag = icodec->codec_tag;
2467 codec->bit_rate = icodec->bit_rate;
2468 codec->rc_max_rate = icodec->rc_max_rate;
2469 codec->rc_buffer_size = icodec->rc_buffer_size;
2470 codec->field_order = icodec->field_order;
2471 codec->extradata = av_mallocz(extra_size);
2472 if (!codec->extradata) {
2473 return AVERROR(ENOMEM);
2475 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2476 codec->extradata_size= icodec->extradata_size;
2478 codec->time_base = ist->st->time_base;
2480 * Avi is a special case here because it supports variable fps but
2481 * having the fps and timebase differe significantly adds quite some
2484 if(!strcmp(oc->oformat->name, "avi")) {
2485 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2486 && av_q2d(ist->st->time_base) < 1.0/500
2488 codec->time_base = icodec->time_base;
2489 codec->time_base.num *= icodec->ticks_per_frame;
2490 codec->time_base.den *= 2;
2492 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2493 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2494 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2496 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2497 && av_q2d(ist->st->time_base) < 1.0/500
2499 codec->time_base = icodec->time_base;
2500 codec->time_base.num *= icodec->ticks_per_frame;
2503 av_reduce(&codec->time_base.num, &codec->time_base.den,
2504 codec->time_base.num, codec->time_base.den, INT_MAX);
2506 switch (codec->codec_type) {
2507 case AVMEDIA_TYPE_AUDIO:
2508 if (audio_volume != 256) {
2509 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2512 codec->channel_layout = icodec->channel_layout;
2513 codec->sample_rate = icodec->sample_rate;
2514 codec->channels = icodec->channels;
2515 codec->frame_size = icodec->frame_size;
2516 codec->audio_service_type = icodec->audio_service_type;
2517 codec->block_align = icodec->block_align;
2519 case AVMEDIA_TYPE_VIDEO:
2520 codec->pix_fmt = icodec->pix_fmt;
2521 codec->width = icodec->width;
2522 codec->height = icodec->height;
2523 codec->has_b_frames = icodec->has_b_frames;
2524 if (!codec->sample_aspect_ratio.num) {
2525 codec->sample_aspect_ratio =
2526 ost->st->sample_aspect_ratio =
2527 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2528 ist->st->codec->sample_aspect_ratio.num ?
2529 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2531 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2533 case AVMEDIA_TYPE_SUBTITLE:
2534 codec->width = icodec->width;
2535 codec->height = icodec->height;
2537 case AVMEDIA_TYPE_DATA:
2538 case AVMEDIA_TYPE_ATTACHMENT:
2545 ost->enc = avcodec_find_encoder(codec->codec_id);
2547 ist->decoding_needed = 1;
2548 ost->encoding_needed = 1;
2550 switch (codec->codec_type) {
2551 case AVMEDIA_TYPE_AUDIO:
2552 ost->fifo = av_fifo_alloc(1024);
2554 return AVERROR(ENOMEM);
2556 if (!codec->sample_rate)
2557 codec->sample_rate = icodec->sample_rate;
2558 choose_sample_rate(ost->st, ost->enc);
2559 codec->time_base = (AVRational){ 1, codec->sample_rate };
2561 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2562 codec->sample_fmt = icodec->sample_fmt;
2563 choose_sample_fmt(ost->st, ost->enc);
2565 if (ost->audio_channels_mapped) {
2566 /* the requested output channel is set to the number of
2567 * -map_channel only if no -ac are specified */
2568 if (!codec->channels) {
2569 codec->channels = ost->audio_channels_mapped;
2570 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2571 if (!codec->channel_layout) {
2572 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2576 /* fill unused channel mapping with -1 (which means a muted
2577 * channel in case the number of output channels is bigger
2578 * than the number of mapped channel) */
2579 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2580 ost->audio_channels_map[j] = -1;
2581 } else if (!codec->channels) {
2582 codec->channels = icodec->channels;
2583 codec->channel_layout = icodec->channel_layout;
2585 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2586 codec->channel_layout = 0;
2588 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2589 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2590 || codec->channel_layout != icodec->channel_layout;
2591 icodec->request_channels = codec->channels;
2592 ost->resample_sample_fmt = icodec->sample_fmt;
2593 ost->resample_sample_rate = icodec->sample_rate;
2594 ost->resample_channels = icodec->channels;
2596 case AVMEDIA_TYPE_VIDEO:
2597 if (codec->pix_fmt == PIX_FMT_NONE)
2598 codec->pix_fmt = icodec->pix_fmt;
2599 choose_pixel_fmt(ost->st, ost->enc);
2601 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2602 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2606 if (!codec->width || !codec->height) {
2607 codec->width = icodec->width;
2608 codec->height = icodec->height;
2611 ost->video_resample = codec->width != icodec->width ||
2612 codec->height != icodec->height ||
2613 codec->pix_fmt != icodec->pix_fmt;
2614 if (ost->video_resample) {
2615 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2618 ost->resample_height = icodec->height;
2619 ost->resample_width = icodec->width;
2620 ost->resample_pix_fmt = icodec->pix_fmt;
2622 if (!ost->frame_rate.num)
2623 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2624 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2625 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2626 ost->frame_rate = ost->enc->supported_framerates[idx];
2628 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2629 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2630 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2631 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2632 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2634 for (j = 0; j < ost->forced_kf_count; j++)
2635 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2640 if (configure_video_filters(ist, ost)) {
2641 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2646 case AVMEDIA_TYPE_SUBTITLE:
2647 codec->time_base = (AVRational){1, 1000};
2654 if (codec->codec_id != CODEC_ID_H264 &&
2655 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2656 char logfilename[1024];
2659 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2660 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2662 if (codec->flags & CODEC_FLAG_PASS2) {
2664 size_t logbuffer_size;
2665 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2666 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2670 codec->stats_in = logbuffer;
2672 if (codec->flags & CODEC_FLAG_PASS1) {
2673 f = fopen(logfilename, "wb");
2675 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2676 logfilename, strerror(errno));
2685 /* open each encoder */
2686 for (i = 0; i < nb_output_streams; i++) {
2687 ost = &output_streams[i];
2688 if (ost->encoding_needed) {
2689 AVCodec *codec = ost->enc;
2690 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2692 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2693 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2694 ret = AVERROR(EINVAL);
2697 if (dec->subtitle_header) {
2698 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2699 if (!ost->st->codec->subtitle_header) {
2700 ret = AVERROR(ENOMEM);
2703 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2704 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2706 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2707 av_dict_set(&ost->opts, "threads", "auto", 0);
2708 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2709 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2710 ost->file_index, ost->index);
2711 ret = AVERROR(EINVAL);
2714 assert_codec_experimental(ost->st->codec, 1);
2715 assert_avoptions(ost->opts);
2716 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2717 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2718 " It takes bits/s as argument, not kbits/s\n");
2719 extra_size += ost->st->codec->extradata_size;
2721 if (ost->st->codec->me_threshold)
2722 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2726 /* init input streams */
2727 for (i = 0; i < nb_input_streams; i++)
2728 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2731 /* discard unused programs */
2732 for (i = 0; i < nb_input_files; i++) {
2733 InputFile *ifile = &input_files[i];
2734 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2735 AVProgram *p = ifile->ctx->programs[j];
2736 int discard = AVDISCARD_ALL;
2738 for (k = 0; k < p->nb_stream_indexes; k++)
2739 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2740 discard = AVDISCARD_DEFAULT;
2743 p->discard = discard;
2747 /* open files and write file headers */
2748 for (i = 0; i < nb_output_files; i++) {
2749 oc = output_files[i].ctx;
2750 oc->interrupt_callback = int_cb;
2751 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2752 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2753 ret = AVERROR(EINVAL);
2756 // assert_avoptions(output_files[i].opts);
2757 if (strcmp(oc->oformat->name, "rtp")) {
2763 /* dump the file output parameters - cannot be done before in case
2765 for (i = 0; i < nb_output_files; i++) {
2766 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2769 /* dump the stream mapping */
2770 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2771 for (i = 0; i < nb_output_streams; i++) {
2772 ost = &output_streams[i];
2774 if (ost->attachment_filename) {
2775 /* an attached file */
2776 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2777 ost->attachment_filename, ost->file_index, ost->index);
2780 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2781 input_streams[ost->source_index].file_index,
2782 input_streams[ost->source_index].st->index,
2785 if (ost->audio_channels_mapped) {
2786 av_log(NULL, AV_LOG_INFO, " [ch:");
2787 for (j = 0; j < ost->audio_channels_mapped; j++)
2788 if (ost->audio_channels_map[j] == -1)
2789 av_log(NULL, AV_LOG_INFO, " M");
2791 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2792 av_log(NULL, AV_LOG_INFO, "]");
2794 if (ost->sync_ist != &input_streams[ost->source_index])
2795 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2796 ost->sync_ist->file_index,
2797 ost->sync_ist->st->index);
2798 if (ost->stream_copy)
2799 av_log(NULL, AV_LOG_INFO, " (copy)");
2801 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2802 input_streams[ost->source_index].dec->name : "?",
2803 ost->enc ? ost->enc->name : "?");
2804 av_log(NULL, AV_LOG_INFO, "\n");
2808 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2813 print_sdp(output_files, nb_output_files);
2820 * The following code is the main loop of the file converter
2822 static int transcode(OutputFile *output_files, int nb_output_files,
2823 InputFile *input_files, int nb_input_files)
2826 AVFormatContext *is, *os;
2830 int no_packet_count = 0;
2831 int64_t timer_start;
2834 if (!(no_packet = av_mallocz(nb_input_files)))
2837 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2842 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2845 timer_start = av_gettime();
2847 for (; received_sigterm == 0;) {
2848 int file_index, ist_index;
2852 int64_t cur_time= av_gettime();
2854 ipts_min = INT64_MAX;
2856 /* if 'q' pressed, exits */
2858 static int64_t last_time;
2859 if (received_nb_signals)
2861 /* read_key() returns 0 on EOF */
2862 if(cur_time - last_time >= 100000 && !run_as_daemon){
2864 last_time = cur_time;
2869 if (key == '+') av_log_set_level(av_log_get_level()+10);
2870 if (key == '-') av_log_set_level(av_log_get_level()-10);
2871 if (key == 's') qp_hist ^= 1;
2874 do_hex_dump = do_pkt_dump = 0;
2875 } else if(do_pkt_dump){
2879 av_log_set_level(AV_LOG_DEBUG);
2882 if (key == 'c' || key == 'C'){
2883 char buf[4096], target[64], command[256], arg[256] = {0};
2886 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2888 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2893 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2894 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2895 target, time, command, arg);
2896 for (i = 0; i < nb_output_streams; i++) {
2897 ost = &output_streams[i];
2900 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2901 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2902 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2904 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2909 av_log(NULL, AV_LOG_ERROR,
2910 "Parse error, at least 3 arguments were expected, "
2911 "only %d given in string '%s'\n", n, buf);
2915 if (key == 'd' || key == 'D'){
2918 debug = input_streams[0].st->codec->debug<<1;
2919 if(!debug) debug = 1;
2920 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2923 if(scanf("%d", &debug)!=1)
2924 fprintf(stderr,"error parsing debug value\n");
2925 for(i=0;i<nb_input_streams;i++) {
2926 input_streams[i].st->codec->debug = debug;
2928 for(i=0;i<nb_output_streams;i++) {
2929 ost = &output_streams[i];
2930 ost->st->codec->debug = debug;
2932 if(debug) av_log_set_level(AV_LOG_DEBUG);
2933 fprintf(stderr,"debug=%d\n", debug);
2936 fprintf(stderr, "key function\n"
2937 "? show this help\n"
2938 "+ increase verbosity\n"
2939 "- decrease verbosity\n"
2940 "c Send command to filtergraph\n"
2941 "D cycle through available debug modes\n"
2942 "h dump packets/hex press to cycle through the 3 states\n"
2944 "s Show QP histogram\n"
2949 /* select the stream that we must read now by looking at the
2950 smallest output pts */
2952 for (i = 0; i < nb_output_streams; i++) {
2956 ost = &output_streams[i];
2957 of = &output_files[ost->file_index];
2958 os = output_files[ost->file_index].ctx;
2959 ist = &input_streams[ost->source_index];
2960 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2961 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2963 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2965 if (!input_files[ist->file_index].eof_reached) {
2966 if (ipts < ipts_min) {
2969 file_index = ist->file_index;
2971 if (opts < opts_min) {
2973 if (!input_sync) file_index = ist->file_index;
2976 if (ost->frame_number >= ost->max_frames) {
2978 for (j = 0; j < of->ctx->nb_streams; j++)
2979 output_streams[of->ost_index + j].is_past_recording_time = 1;
2983 /* if none, if is finished */
2984 if (file_index < 0) {
2985 if (no_packet_count) {
2986 no_packet_count = 0;
2987 memset(no_packet, 0, nb_input_files);
2994 /* read a frame from it and output it in the fifo */
2995 is = input_files[file_index].ctx;
2996 ret = av_read_frame(is, &pkt);
2997 if (ret == AVERROR(EAGAIN)) {
2998 no_packet[file_index] = 1;
3003 input_files[file_index].eof_reached = 1;
3010 no_packet_count = 0;
3011 memset(no_packet, 0, nb_input_files);
3014 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3015 is->streams[pkt.stream_index]);
3017 /* the following test is needed in case new streams appear
3018 dynamically in stream : we ignore them */
3019 if (pkt.stream_index >= input_files[file_index].nb_streams)
3020 goto discard_packet;
3021 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3022 ist = &input_streams[ist_index];
3024 goto discard_packet;
3026 if (pkt.dts != AV_NOPTS_VALUE)
3027 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3028 if (pkt.pts != AV_NOPTS_VALUE)
3029 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3031 if (pkt.pts != AV_NOPTS_VALUE)
3032 pkt.pts *= ist->ts_scale;
3033 if (pkt.dts != AV_NOPTS_VALUE)
3034 pkt.dts *= ist->ts_scale;
3037 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3038 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3039 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3040 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3041 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3042 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3043 input_files[ist->file_index].ts_offset);
3046 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3047 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3048 int64_t delta = pkt_dts - ist->next_dts;
3049 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3050 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3051 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3052 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3053 pkt_dts+1<ist->pts){
3054 input_files[ist->file_index].ts_offset -= delta;
3055 av_log(NULL, AV_LOG_DEBUG,
3056 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3057 delta, input_files[ist->file_index].ts_offset);
3058 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3059 if (pkt.pts != AV_NOPTS_VALUE)
3060 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3063 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3064 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3065 pkt_dts+1<ist->pts){
3066 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3067 pkt.dts = AV_NOPTS_VALUE;
3069 if (pkt.pts != AV_NOPTS_VALUE){
3070 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3071 delta = pkt_pts - ist->next_dts;
3072 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3073 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3074 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3075 pkt.pts = AV_NOPTS_VALUE;
3081 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3082 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3084 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3085 ist->file_index, ist->st->index);
3088 av_free_packet(&pkt);
3093 av_free_packet(&pkt);
3095 /* dump report by using the output first video and audio streams */
3096 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3099 /* at the end of stream, we must flush the decoder buffers */
3100 for (i = 0; i < nb_input_streams; i++) {
3101 ist = &input_streams[i];
3102 if (ist->decoding_needed) {
3103 output_packet(ist, output_streams, nb_output_streams, NULL);
3106 flush_encoders(output_streams, nb_output_streams);
3110 /* write the trailer if needed and close file */
3111 for (i = 0; i < nb_output_files; i++) {
3112 os = output_files[i].ctx;
3113 av_write_trailer(os);
3116 /* dump report by using the first video and audio streams */
3117 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3119 /* close each encoder */
3120 for (i = 0; i < nb_output_streams; i++) {
3121 ost = &output_streams[i];
3122 if (ost->encoding_needed) {
3123 av_freep(&ost->st->codec->stats_in);
3124 avcodec_close(ost->st->codec);
3127 avfilter_graph_free(&ost->graph);
3131 /* close each decoder */
3132 for (i = 0; i < nb_input_streams; i++) {
3133 ist = &input_streams[i];
3134 if (ist->decoding_needed) {
3135 avcodec_close(ist->st->codec);
3143 av_freep(&no_packet);
3145 if (output_streams) {
3146 for (i = 0; i < nb_output_streams; i++) {
3147 ost = &output_streams[i];
3149 if (ost->stream_copy)
3150 av_freep(&ost->st->codec->extradata);
3152 fclose(ost->logfile);
3153 ost->logfile = NULL;
3155 av_fifo_free(ost->fifo); /* works even if fifo is not
3156 initialized but set to zero */
3157 av_freep(&ost->st->codec->subtitle_header);
3158 av_free(ost->resample_frame.data[0]);
3159 av_free(ost->forced_kf_pts);
3160 if (ost->video_resample)
3161 sws_freeContext(ost->img_resample_ctx);
3162 swr_free(&ost->swr);
3163 av_dict_free(&ost->opts);
3170 static int opt_frame_crop(const char *opt, const char *arg)
3172 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3173 return AVERROR(EINVAL);
3176 static int opt_pad(const char *opt, const char *arg)
3178 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3182 static int opt_video_channel(const char *opt, const char *arg)
3184 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3185 return opt_default("channel", arg);
3188 static int opt_video_standard(const char *opt, const char *arg)
3190 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3191 return opt_default("standard", arg);
3194 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3196 audio_codec_name = arg;
3197 return parse_option(o, "codec:a", arg, options);
3200 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3202 video_codec_name = arg;
3203 return parse_option(o, "codec:v", arg, options);
3206 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3208 subtitle_codec_name = arg;
3209 return parse_option(o, "codec:s", arg, options);
3212 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3214 return parse_option(o, "codec:d", arg, options);
3217 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3219 StreamMap *m = NULL;
3220 int i, negative = 0, file_idx;
3221 int sync_file_idx = -1, sync_stream_idx = 0;
3229 map = av_strdup(arg);
3231 /* parse sync stream first, just pick first matching stream */
3232 if (sync = strchr(map, ',')) {
3234 sync_file_idx = strtol(sync + 1, &sync, 0);
3235 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3236 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3241 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3242 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3243 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3244 sync_stream_idx = i;
3247 if (i == input_files[sync_file_idx].nb_streams) {
3248 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3249 "match any streams.\n", arg);
3255 file_idx = strtol(map, &p, 0);
3256 if (file_idx >= nb_input_files || file_idx < 0) {
3257 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3261 /* disable some already defined maps */
3262 for (i = 0; i < o->nb_stream_maps; i++) {
3263 m = &o->stream_maps[i];
3264 if (file_idx == m->file_index &&
3265 check_stream_specifier(input_files[m->file_index].ctx,
3266 input_files[m->file_index].ctx->streams[m->stream_index],
3267 *p == ':' ? p + 1 : p) > 0)
3271 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3272 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3273 *p == ':' ? p + 1 : p) <= 0)
3275 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3276 &o->nb_stream_maps, o->nb_stream_maps + 1);
3277 m = &o->stream_maps[o->nb_stream_maps - 1];
3279 m->file_index = file_idx;
3280 m->stream_index = i;
3282 if (sync_file_idx >= 0) {
3283 m->sync_file_index = sync_file_idx;
3284 m->sync_stream_index = sync_stream_idx;
3286 m->sync_file_index = file_idx;
3287 m->sync_stream_index = i;
3292 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3300 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3302 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3303 &o->nb_attachments, o->nb_attachments + 1);
3304 o->attachments[o->nb_attachments - 1] = arg;
3308 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3314 o->audio_channel_maps =
3315 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3316 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3317 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3319 /* muted channel syntax */
3320 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3321 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3322 m->file_idx = m->stream_idx = -1;
3324 m->ofile_idx = m->ostream_idx = -1;
3329 n = sscanf(arg, "%d.%d.%d:%d.%d",
3330 &m->file_idx, &m->stream_idx, &m->channel_idx,
3331 &m->ofile_idx, &m->ostream_idx);
3333 if (n != 3 && n != 5) {
3334 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3335 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3339 if (n != 5) // only file.stream.channel specified
3340 m->ofile_idx = m->ostream_idx = -1;
3343 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3344 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3348 if (m->stream_idx < 0 ||
3349 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3350 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3351 m->file_idx, m->stream_idx);
3354 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3355 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3356 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3357 m->file_idx, m->stream_idx);
3360 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3361 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3362 m->file_idx, m->stream_idx, m->channel_idx);
3369 * Parse a metadata specifier in arg.
3370 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3371 * @param index for type c/p, chapter/program index is written here
3372 * @param stream_spec for type s, the stream specifier is written here
3374 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3382 if (*(++arg) && *arg != ':') {
3383 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3386 *stream_spec = *arg == ':' ? arg + 1 : "";
3390 if (*(++arg) == ':')
3391 *index = strtol(++arg, NULL, 0);
3394 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3401 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3403 AVDictionary **meta_in = NULL;
3404 AVDictionary **meta_out = NULL;
3406 char type_in, type_out;
3407 const char *istream_spec = NULL, *ostream_spec = NULL;
3408 int idx_in = 0, idx_out = 0;
3410 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3411 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3413 if (type_in == 'g' || type_out == 'g')
3414 o->metadata_global_manual = 1;
3415 if (type_in == 's' || type_out == 's')
3416 o->metadata_streams_manual = 1;
3417 if (type_in == 'c' || type_out == 'c')
3418 o->metadata_chapters_manual = 1;
3420 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3421 if ((index) < 0 || (index) >= (nb_elems)) {\
3422 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3427 #define SET_DICT(type, meta, context, index)\
3430 meta = &context->metadata;\
3433 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3434 meta = &context->chapters[index]->metadata;\
3437 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3438 meta = &context->programs[index]->metadata;\
3442 SET_DICT(type_in, meta_in, ic, idx_in);
3443 SET_DICT(type_out, meta_out, oc, idx_out);
3445 /* for input streams choose first matching stream */
3446 if (type_in == 's') {
3447 for (i = 0; i < ic->nb_streams; i++) {
3448 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3449 meta_in = &ic->streams[i]->metadata;
3455 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3460 if (type_out == 's') {
3461 for (i = 0; i < oc->nb_streams; i++) {
3462 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3463 meta_out = &oc->streams[i]->metadata;
3464 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3469 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3474 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3477 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3478 struct tm time = *gmtime((time_t*)&recording_timestamp);
3479 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3480 parse_option(o, "metadata", buf, options);
3482 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3483 "tag instead.\n", opt);
3487 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3489 const char *codec_string = encoder ? "encoder" : "decoder";
3493 avcodec_find_encoder_by_name(name) :
3494 avcodec_find_decoder_by_name(name);
3496 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3499 if (codec->type != type) {
3500 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3506 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3508 char *codec_name = NULL;
3510 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3512 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3513 st->codec->codec_id = codec->id;
3516 return avcodec_find_decoder(st->codec->codec_id);
3520 * Add all the streams from the given input file to the global
3521 * list of input streams.
3523 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3526 char *next, *codec_tag = NULL;
3528 for (i = 0; i < ic->nb_streams; i++) {
3529 AVStream *st = ic->streams[i];
3530 AVCodecContext *dec = st->codec;
3533 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3534 ist = &input_streams[nb_input_streams - 1];
3536 ist->file_index = nb_input_files;
3538 st->discard = AVDISCARD_ALL;
3539 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3541 ist->ts_scale = 1.0;
3542 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3544 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3546 uint32_t tag = strtol(codec_tag, &next, 0);
3548 tag = AV_RL32(codec_tag);
3549 st->codec->codec_tag = tag;
3552 ist->dec = choose_decoder(o, ic, st);
3554 switch (dec->codec_type) {
3555 case AVMEDIA_TYPE_VIDEO:
3557 ist->dec = avcodec_find_decoder(dec->codec_id);
3559 dec->flags |= CODEC_FLAG_EMU_EDGE;
3563 case AVMEDIA_TYPE_AUDIO:
3564 case AVMEDIA_TYPE_DATA:
3565 case AVMEDIA_TYPE_SUBTITLE:
3567 ist->dec = avcodec_find_decoder(dec->codec_id);
3569 case AVMEDIA_TYPE_ATTACHMENT:
3570 case AVMEDIA_TYPE_UNKNOWN:
3578 static void assert_file_overwrite(const char *filename)
3580 if ((!file_overwrite || no_file_overwrite) &&
3581 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3582 av_strstart(filename, "file:", NULL))) {
3583 if (avio_check(filename, 0) == 0) {
3584 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3585 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3588 signal(SIGINT, SIG_DFL);
3589 if (!read_yesno()) {
3590 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3596 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3603 static void dump_attachment(AVStream *st, const char *filename)
3606 AVIOContext *out = NULL;
3607 AVDictionaryEntry *e;
3609 if (!st->codec->extradata_size) {
3610 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3611 nb_input_files - 1, st->index);
3614 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3615 filename = e->value;
3617 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3618 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3622 assert_file_overwrite(filename);
3624 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3625 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3630 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3635 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3637 AVFormatContext *ic;
3638 AVInputFormat *file_iformat = NULL;
3642 AVDictionary **opts;
3643 int orig_nb_streams; // number of streams before avformat_find_stream_info
3646 if (!(file_iformat = av_find_input_format(o->format))) {
3647 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3652 if (!strcmp(filename, "-"))
3655 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3656 !strcmp(filename, "/dev/stdin");
3658 /* get default parameters from command line */
3659 ic = avformat_alloc_context();
3661 print_error(filename, AVERROR(ENOMEM));
3664 if (o->nb_audio_sample_rate) {
3665 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3666 av_dict_set(&format_opts, "sample_rate", buf, 0);
3668 if (o->nb_audio_channels) {
3669 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3670 av_dict_set(&format_opts, "channels", buf, 0);
3672 if (o->nb_frame_rates) {
3673 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3675 if (o->nb_frame_sizes) {
3676 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3678 if (o->nb_frame_pix_fmts)
3679 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3681 ic->video_codec_id = video_codec_name ?
3682 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3683 ic->audio_codec_id = audio_codec_name ?
3684 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3685 ic->subtitle_codec_id= subtitle_codec_name ?
3686 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3687 ic->flags |= AVFMT_FLAG_NONBLOCK;
3688 ic->interrupt_callback = int_cb;
3690 /* open the input file with generic avformat function */
3691 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3693 print_error(filename, err);
3696 assert_avoptions(format_opts);
3698 /* apply forced codec ids */
3699 for (i = 0; i < ic->nb_streams; i++)
3700 choose_decoder(o, ic, ic->streams[i]);
3702 /* Set AVCodecContext options for avformat_find_stream_info */
3703 opts = setup_find_stream_info_opts(ic, codec_opts);
3704 orig_nb_streams = ic->nb_streams;
3706 /* If not enough info to get the stream parameters, we decode the
3707 first frames to get it. (used in mpeg case for example) */
3708 ret = avformat_find_stream_info(ic, opts);
3710 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3711 avformat_close_input(&ic);
3715 timestamp = o->start_time;
3716 /* add the stream start time */
3717 if (ic->start_time != AV_NOPTS_VALUE)
3718 timestamp += ic->start_time;
3720 /* if seeking requested, we execute it */
3721 if (o->start_time != 0) {
3722 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3724 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3725 filename, (double)timestamp / AV_TIME_BASE);
3729 /* update the current parameters so that they match the one of the input stream */
3730 add_input_streams(o, ic);
3732 /* dump the file content */
3733 av_dump_format(ic, nb_input_files, filename, 0);
3735 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3736 input_files[nb_input_files - 1].ctx = ic;
3737 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3738 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3739 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3740 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3742 for (i = 0; i < o->nb_dump_attachment; i++) {
3745 for (j = 0; j < ic->nb_streams; j++) {
3746 AVStream *st = ic->streams[j];
3748 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3749 dump_attachment(st, o->dump_attachment[i].u.str);
3753 for (i = 0; i < orig_nb_streams; i++)
3754 av_dict_free(&opts[i]);
3757 reset_options(o, 1);
3761 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3766 for (p = kf; *p; p++)
3769 ost->forced_kf_count = n;
3770 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3771 if (!ost->forced_kf_pts) {
3772 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3775 for (i = 0; i < n; i++) {
3776 p = i ? strchr(p, ',') + 1 : kf;
3777 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3781 static uint8_t *get_line(AVIOContext *s)
3787 if (avio_open_dyn_buf(&line) < 0) {
3788 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3792 while ((c = avio_r8(s)) && c != '\n')
3795 avio_close_dyn_buf(line, &buf);
3800 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3803 char filename[1000];
3804 const char *base[3] = { getenv("AVCONV_DATADIR"),
3809 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3813 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3814 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3815 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3818 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3819 i != 1 ? "" : "/.avconv", preset_name);
3820 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3826 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3828 char *codec_name = NULL;
3830 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3832 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3833 NULL, ost->st->codec->codec_type);
3834 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3835 } else if (!strcmp(codec_name, "copy"))
3836 ost->stream_copy = 1;
3838 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3839 ost->st->codec->codec_id = ost->enc->id;
3843 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3846 AVStream *st = avformat_new_stream(oc, NULL);
3847 int idx = oc->nb_streams - 1, ret = 0;
3848 char *bsf = NULL, *next, *codec_tag = NULL;
3849 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3851 char *buf = NULL, *arg = NULL, *preset = NULL;
3852 AVIOContext *s = NULL;
3855 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3859 if (oc->nb_streams - 1 < o->nb_streamid_map)
3860 st->id = o->streamid_map[oc->nb_streams - 1];
3862 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3863 nb_output_streams + 1);
3864 ost = &output_streams[nb_output_streams - 1];
3865 ost->file_index = nb_output_files;
3868 st->codec->codec_type = type;
3869 choose_encoder(o, oc, ost);
3871 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3874 avcodec_get_context_defaults3(st->codec, ost->enc);
3875 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3877 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3878 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3881 if (!buf[0] || buf[0] == '#') {
3885 if (!(arg = strchr(buf, '='))) {
3886 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3890 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3892 } while (!s->eof_reached);
3896 av_log(NULL, AV_LOG_FATAL,
3897 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3898 preset, ost->file_index, ost->index);
3902 ost->max_frames = INT64_MAX;
3903 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3905 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3907 if (next = strchr(bsf, ','))
3909 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3910 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3914 bsfc_prev->next = bsfc;
3916 ost->bitstream_filters = bsfc;
3922 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3924 uint32_t tag = strtol(codec_tag, &next, 0);
3926 tag = AV_RL32(codec_tag);
3927 st->codec->codec_tag = tag;
3930 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3931 if (qscale >= 0 || same_quant) {
3932 st->codec->flags |= CODEC_FLAG_QSCALE;
3933 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3936 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3937 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3939 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3943 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3946 const char *p = str;
3953 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3960 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3964 AVCodecContext *video_enc;
3966 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3968 video_enc = st->codec;
3970 if (!ost->stream_copy) {
3971 const char *p = NULL;
3972 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3973 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3974 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3977 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3978 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3979 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3983 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3984 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3985 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3989 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3990 if (frame_aspect_ratio) {
3992 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
3993 q.num <= 0 || q.den <= 0) {
3994 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
3997 ost->frame_aspect_ratio = av_q2d(q);
4000 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4001 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4002 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4003 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4006 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4009 video_enc->gop_size = 0;
4010 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4012 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4013 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4016 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4018 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4020 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4021 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4024 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4027 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4028 for (i = 0; p; i++) {
4030 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4032 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4035 /* FIXME realloc failure */
4036 video_enc->rc_override =
4037 av_realloc(video_enc->rc_override,
4038 sizeof(RcOverride) * (i + 1));
4039 video_enc->rc_override[i].start_frame = start;
4040 video_enc->rc_override[i].end_frame = end;
4042 video_enc->rc_override[i].qscale = q;
4043 video_enc->rc_override[i].quality_factor = 1.0;
4046 video_enc->rc_override[i].qscale = 0;
4047 video_enc->rc_override[i].quality_factor = -q/100.0;
4052 video_enc->rc_override_count = i;
4053 if (!video_enc->rc_initial_buffer_occupancy)
4054 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4055 video_enc->intra_dc_precision = intra_dc_precision - 8;
4058 video_enc->flags|= CODEC_FLAG_PSNR;
4063 video_enc->flags |= CODEC_FLAG_PASS1;
4066 video_enc->flags |= CODEC_FLAG_PASS2;
4070 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4071 if (forced_key_frames)
4072 parse_forced_key_frames(forced_key_frames, ost);
4074 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4076 ost->top_field_first = -1;
4077 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4080 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4082 ost->avfilter = av_strdup(filters);
4085 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4091 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4096 AVCodecContext *audio_enc;
4098 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4101 audio_enc = st->codec;
4102 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4104 if (!ost->stream_copy) {
4105 char *sample_fmt = NULL;
4107 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4109 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4111 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4112 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4116 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4118 ost->rematrix_volume=1.0;
4119 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4122 /* check for channel mapping for this audio stream */
4123 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4124 AudioChannelMap *map = &o->audio_channel_maps[n];
4125 InputStream *ist = &input_streams[ost->source_index];
4126 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4127 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4128 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4129 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4130 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4132 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4133 ost->file_index, ost->st->index);
4140 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4144 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4145 if (!ost->stream_copy) {
4146 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4153 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4155 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4156 ost->stream_copy = 1;
4160 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4164 AVCodecContext *subtitle_enc;
4166 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4168 subtitle_enc = st->codec;
4170 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4175 /* arg format is "output-stream-index:streamid-value". */
4176 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4182 av_strlcpy(idx_str, arg, sizeof(idx_str));
4183 p = strchr(idx_str, ':');
4185 av_log(NULL, AV_LOG_FATAL,
4186 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4191 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4192 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4193 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4197 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4199 AVFormatContext *is = ifile->ctx;
4200 AVFormatContext *os = ofile->ctx;
4203 for (i = 0; i < is->nb_chapters; i++) {
4204 AVChapter *in_ch = is->chapters[i], *out_ch;
4205 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4206 AV_TIME_BASE_Q, in_ch->time_base);
4207 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4208 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4211 if (in_ch->end < ts_off)
4213 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4216 out_ch = av_mallocz(sizeof(AVChapter));
4218 return AVERROR(ENOMEM);
4220 out_ch->id = in_ch->id;
4221 out_ch->time_base = in_ch->time_base;
4222 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4223 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4226 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4229 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4231 return AVERROR(ENOMEM);
4232 os->chapters[os->nb_chapters - 1] = out_ch;
4237 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4240 AVFormatContext *ic = avformat_alloc_context();
4242 ic->interrupt_callback = int_cb;
4243 err = avformat_open_input(&ic, filename, NULL, NULL);
4246 /* copy stream format */
4247 for(i=0;i<ic->nb_streams;i++) {
4251 AVCodecContext *avctx;
4253 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4254 ost = new_output_stream(o, s, codec->type);
4259 // FIXME: a more elegant solution is needed
4260 memcpy(st, ic->streams[i], sizeof(AVStream));
4261 st->info = av_malloc(sizeof(*st->info));
4262 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4264 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4266 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4267 choose_sample_fmt(st, codec);
4268 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4269 choose_pixel_fmt(st, codec);
4272 avformat_close_input(&ic);
4276 static void opt_output_file(void *optctx, const char *filename)
4278 OptionsContext *o = optctx;
4279 AVFormatContext *oc;
4281 AVOutputFormat *file_oformat;
4285 if (!strcmp(filename, "-"))
4288 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4290 print_error(filename, err);
4293 file_oformat= oc->oformat;
4294 oc->interrupt_callback = int_cb;
4296 if (!strcmp(file_oformat->name, "ffm") &&
4297 av_strstart(filename, "http:", NULL)) {
4299 /* special case for files sent to ffserver: we get the stream
4300 parameters from ffserver */
4301 int err = read_ffserver_streams(o, oc, filename);
4303 print_error(filename, err);
4306 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4307 ost = &output_streams[j];
4308 for (i = 0; i < nb_input_streams; i++) {
4309 ist = &input_streams[i];
4310 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4312 ost->source_index= i;
4314 ist->st->discard = AVDISCARD_NONE;
4319 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));
4323 } else if (!o->nb_stream_maps) {
4324 /* pick the "best" stream of each type */
4325 #define NEW_STREAM(type, index)\
4327 ost = new_ ## type ## _stream(o, oc);\
4328 ost->source_index = index;\
4329 ost->sync_ist = &input_streams[index];\
4330 input_streams[index].discard = 0;\
4331 input_streams[index].st->discard = AVDISCARD_NONE;\
4334 /* video: highest resolution */
4335 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4336 int area = 0, idx = -1;
4337 for (i = 0; i < nb_input_streams; i++) {
4338 ist = &input_streams[i];
4339 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4340 ist->st->codec->width * ist->st->codec->height > area) {
4341 area = ist->st->codec->width * ist->st->codec->height;
4345 NEW_STREAM(video, idx);
4348 /* audio: most channels */
4349 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4350 int channels = 0, idx = -1;
4351 for (i = 0; i < nb_input_streams; i++) {
4352 ist = &input_streams[i];
4353 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4354 ist->st->codec->channels > channels) {
4355 channels = ist->st->codec->channels;
4359 NEW_STREAM(audio, idx);
4362 /* subtitles: pick first */
4363 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4364 for (i = 0; i < nb_input_streams; i++)
4365 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4366 NEW_STREAM(subtitle, i);
4370 /* do something with data? */
4372 for (i = 0; i < o->nb_stream_maps; i++) {
4373 StreamMap *map = &o->stream_maps[i];
4378 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4379 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4381 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4383 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4385 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4388 switch (ist->st->codec->codec_type) {
4389 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4390 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4391 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4392 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4393 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4395 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4396 map->file_index, map->stream_index);
4400 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4401 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4402 map->sync_stream_index];
4404 ist->st->discard = AVDISCARD_NONE;
4409 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4410 AVDictionaryEntry *e;
4411 ost = &output_streams[i];
4413 if ( ost->stream_copy
4414 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4415 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4416 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4420 /* handle attached files */
4421 for (i = 0; i < o->nb_attachments; i++) {
4423 uint8_t *attachment;
4427 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4428 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4432 if ((len = avio_size(pb)) <= 0) {
4433 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4437 if (!(attachment = av_malloc(len))) {
4438 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4442 avio_read(pb, attachment, len);
4444 ost = new_attachment_stream(o, oc);
4445 ost->stream_copy = 0;
4446 ost->source_index = -1;
4447 ost->attachment_filename = o->attachments[i];
4448 ost->st->codec->extradata = attachment;
4449 ost->st->codec->extradata_size = len;
4451 p = strrchr(o->attachments[i], '/');
4452 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4456 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4457 output_files[nb_output_files - 1].ctx = oc;
4458 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4459 output_files[nb_output_files - 1].recording_time = o->recording_time;
4460 if (o->recording_time != INT64_MAX)
4461 oc->duration = o->recording_time;
4462 output_files[nb_output_files - 1].start_time = o->start_time;
4463 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4464 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4466 /* check filename in case of an image number is expected */
4467 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4468 if (!av_filename_number_test(oc->filename)) {
4469 print_error(oc->filename, AVERROR(EINVAL));
4474 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4475 /* test if it already exists to avoid losing precious files */
4476 assert_file_overwrite(filename);
4479 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4480 &oc->interrupt_callback,
4481 &output_files[nb_output_files - 1].opts)) < 0) {
4482 print_error(filename, err);
4487 if (o->mux_preload) {
4489 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4490 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4492 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4495 for (i = 0; i < o->nb_metadata_map; i++) {
4497 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4499 if (in_file_index < 0)
4501 if (in_file_index >= nb_input_files) {
4502 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4505 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4509 if (o->chapters_input_file >= nb_input_files) {
4510 if (o->chapters_input_file == INT_MAX) {
4511 /* copy chapters from the first input file that has them*/
4512 o->chapters_input_file = -1;
4513 for (i = 0; i < nb_input_files; i++)
4514 if (input_files[i].ctx->nb_chapters) {
4515 o->chapters_input_file = i;
4519 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4520 o->chapters_input_file);
4524 if (o->chapters_input_file >= 0)
4525 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4526 !o->metadata_chapters_manual);
4528 /* copy global metadata by default */
4529 if (!o->metadata_global_manual && nb_input_files){
4530 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4531 AV_DICT_DONT_OVERWRITE);
4532 if(o->recording_time != INT64_MAX)
4533 av_dict_set(&oc->metadata, "duration", NULL, 0);
4535 if (!o->metadata_streams_manual)
4536 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4538 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4540 ist = &input_streams[output_streams[i].source_index];
4541 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4544 /* process manually set metadata */
4545 for (i = 0; i < o->nb_metadata; i++) {
4548 const char *stream_spec;
4549 int index = 0, j, ret = 0;
4551 val = strchr(o->metadata[i].u.str, '=');
4553 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4554 o->metadata[i].u.str);
4559 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4561 for (j = 0; j < oc->nb_streams; j++) {
4562 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4563 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4567 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4575 if (index < 0 || index >= oc->nb_chapters) {
4576 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4579 m = &oc->chapters[index]->metadata;
4582 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4585 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4589 reset_options(o, 0);
4592 /* same option as mencoder */
4593 static int opt_pass(const char *opt, const char *arg)
4595 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4599 static int64_t getutime(void)
4602 struct rusage rusage;
4604 getrusage(RUSAGE_SELF, &rusage);
4605 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4606 #elif HAVE_GETPROCESSTIMES
4608 FILETIME c, e, k, u;
4609 proc = GetCurrentProcess();
4610 GetProcessTimes(proc, &c, &e, &k, &u);
4611 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4613 return av_gettime();
4617 static int64_t getmaxrss(void)
4619 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4620 struct rusage rusage;
4621 getrusage(RUSAGE_SELF, &rusage);
4622 return (int64_t)rusage.ru_maxrss * 1024;
4623 #elif HAVE_GETPROCESSMEMORYINFO
4625 PROCESS_MEMORY_COUNTERS memcounters;
4626 proc = GetCurrentProcess();
4627 memcounters.cb = sizeof(memcounters);
4628 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4629 return memcounters.PeakPagefileUsage;
4635 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4637 return parse_option(o, "q:a", arg, options);
4640 static void show_usage(void)
4642 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4643 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4644 av_log(NULL, AV_LOG_INFO, "\n");
4647 static int opt_help(const char *opt, const char *arg)
4649 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4650 av_log_set_callback(log_callback_help);
4652 show_help_options(options, "Main options:\n",
4653 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4654 show_help_options(options, "\nAdvanced options:\n",
4655 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4657 show_help_options(options, "\nVideo options:\n",
4658 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4660 show_help_options(options, "\nAdvanced Video options:\n",
4661 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4662 OPT_VIDEO | OPT_EXPERT);
4663 show_help_options(options, "\nAudio options:\n",
4664 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4666 show_help_options(options, "\nAdvanced Audio options:\n",
4667 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4668 OPT_AUDIO | OPT_EXPERT);
4669 show_help_options(options, "\nSubtitle options:\n",
4670 OPT_SUBTITLE | OPT_GRAB,
4672 show_help_options(options, "\nAudio/Video grab options:\n",
4676 show_help_children(avcodec_get_class(), flags);
4677 show_help_children(avformat_get_class(), flags);
4678 show_help_children(sws_get_class(), flags);
4683 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4685 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4686 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4688 if (!strncmp(arg, "pal-", 4)) {
4691 } else if (!strncmp(arg, "ntsc-", 5)) {
4694 } else if (!strncmp(arg, "film-", 5)) {
4698 /* Try to determine PAL/NTSC by peeking in the input files */
4699 if (nb_input_files) {
4701 for (j = 0; j < nb_input_files; j++) {
4702 for (i = 0; i < input_files[j].nb_streams; i++) {
4703 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4704 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4706 fr = c->time_base.den * 1000 / c->time_base.num;
4710 } else if ((fr == 29970) || (fr == 23976)) {
4715 if (norm != UNKNOWN)
4719 if (norm != UNKNOWN)
4720 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4723 if (norm == UNKNOWN) {
4724 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4725 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4726 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4730 if (!strcmp(arg, "vcd")) {
4731 opt_video_codec(o, "c:v", "mpeg1video");
4732 opt_audio_codec(o, "c:a", "mp2");
4733 parse_option(o, "f", "vcd", options);
4735 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4736 parse_option(o, "r", frame_rates[norm], options);
4737 opt_default("g", norm == PAL ? "15" : "18");
4739 opt_default("b:v", "1150000");
4740 opt_default("maxrate", "1150000");
4741 opt_default("minrate", "1150000");
4742 opt_default("bufsize", "327680"); // 40*1024*8;
4744 opt_default("b:a", "224000");
4745 parse_option(o, "ar", "44100", options);
4746 parse_option(o, "ac", "2", options);
4748 opt_default("packetsize", "2324");
4749 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4751 /* We have to offset the PTS, so that it is consistent with the SCR.
4752 SCR starts at 36000, but the first two packs contain only padding
4753 and the first pack from the other stream, respectively, may also have
4754 been written before.
4755 So the real data starts at SCR 36000+3*1200. */
4756 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4757 } else if (!strcmp(arg, "svcd")) {
4759 opt_video_codec(o, "c:v", "mpeg2video");
4760 opt_audio_codec(o, "c:a", "mp2");
4761 parse_option(o, "f", "svcd", options);
4763 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4764 parse_option(o, "r", frame_rates[norm], options);
4765 parse_option(o, "pix_fmt", "yuv420p", options);
4766 opt_default("g", norm == PAL ? "15" : "18");
4768 opt_default("b:v", "2040000");
4769 opt_default("maxrate", "2516000");
4770 opt_default("minrate", "0"); // 1145000;
4771 opt_default("bufsize", "1835008"); // 224*1024*8;
4772 opt_default("flags", "+scan_offset");
4775 opt_default("b:a", "224000");
4776 parse_option(o, "ar", "44100", options);
4778 opt_default("packetsize", "2324");
4780 } else if (!strcmp(arg, "dvd")) {
4782 opt_video_codec(o, "c:v", "mpeg2video");
4783 opt_audio_codec(o, "c:a", "ac3");
4784 parse_option(o, "f", "dvd", options);
4786 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4787 parse_option(o, "r", frame_rates[norm], options);
4788 parse_option(o, "pix_fmt", "yuv420p", options);
4789 opt_default("g", norm == PAL ? "15" : "18");
4791 opt_default("b:v", "6000000");
4792 opt_default("maxrate", "9000000");
4793 opt_default("minrate", "0"); // 1500000;
4794 opt_default("bufsize", "1835008"); // 224*1024*8;
4796 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4797 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4799 opt_default("b:a", "448000");
4800 parse_option(o, "ar", "48000", options);
4802 } else if (!strncmp(arg, "dv", 2)) {
4804 parse_option(o, "f", "dv", options);
4806 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4807 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4808 norm == PAL ? "yuv420p" : "yuv411p", options);
4809 parse_option(o, "r", frame_rates[norm], options);
4811 parse_option(o, "ar", "48000", options);
4812 parse_option(o, "ac", "2", options);
4815 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4816 return AVERROR(EINVAL);
4821 static int opt_vstats_file(const char *opt, const char *arg)
4823 av_free (vstats_filename);
4824 vstats_filename = av_strdup (arg);
4828 static int opt_vstats(const char *opt, const char *arg)
4831 time_t today2 = time(NULL);
4832 struct tm *today = localtime(&today2);
4834 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4836 return opt_vstats_file(opt, filename);
4839 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4841 return parse_option(o, "frames:v", arg, options);
4844 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4846 return parse_option(o, "frames:a", arg, options);
4849 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4851 return parse_option(o, "frames:d", arg, options);
4854 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4857 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4858 const char *codec_name = *opt == 'v' ? video_codec_name :
4859 *opt == 'a' ? audio_codec_name :
4860 subtitle_codec_name;
4862 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4863 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4864 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4866 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4871 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4872 if(line[0] == '#' && !e)
4874 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4876 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4879 if(!strcmp(tmp, "acodec")){
4880 opt_audio_codec(o, tmp, tmp2);
4881 }else if(!strcmp(tmp, "vcodec")){
4882 opt_video_codec(o, tmp, tmp2);
4883 }else if(!strcmp(tmp, "scodec")){
4884 opt_subtitle_codec(o, tmp, tmp2);
4885 }else if(!strcmp(tmp, "dcodec")){
4886 opt_data_codec(o, tmp, tmp2);
4887 }else if(opt_default(tmp, tmp2) < 0){
4888 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4898 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4902 static int opt_passlogfile(const char *opt, const char *arg)
4904 pass_logfilename_prefix = arg;
4905 #if CONFIG_LIBX264_ENCODER
4906 return opt_default(opt, arg);
4912 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4914 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4915 int ret = parse_option(o, s, arg, options);
4920 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4922 if(!strcmp(opt, "b")){
4923 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4924 return parse_option(o, "b:v", arg, options);
4926 return opt_default(opt, arg);
4929 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4933 if(!strcmp(opt, "qscale")){
4934 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4935 return parse_option(o, "q:v", arg, options);
4937 s = av_asprintf("q%s", opt + 6);
4938 ret = parse_option(o, s, arg, options);
4943 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4945 return parse_option(o, "filter:v", arg, options);
4948 static int opt_vsync(const char *opt, const char *arg)
4950 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4951 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4952 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4953 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4955 if (video_sync_method == VSYNC_AUTO)
4956 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4960 static int opt_deinterlace(const char *opt, const char *arg)
4962 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4967 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4969 int idx = locate_option(argc, argv, options, "cpuflags");
4970 if (idx && argv[idx + 1])
4971 opt_cpuflags("cpuflags", argv[idx + 1]);
4974 #define OFFSET(x) offsetof(OptionsContext, x)
4975 static const OptionDef options[] = {
4977 #include "cmdutils_common_opts.h"
4978 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4979 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4980 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4981 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4982 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4983 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4984 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4985 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4986 { "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]" },
4987 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4988 "outfile[,metadata]:infile[,metadata]" },
4989 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4990 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4991 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4992 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4993 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4994 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4995 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4996 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4997 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4998 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4999 "add timings for benchmarking" },
5000 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5001 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5002 "dump each input packet" },
5003 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5004 "when dumping packets, also dump the payload" },
5005 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5006 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5007 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5008 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5009 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5010 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5011 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5012 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5013 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5014 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5015 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5016 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5017 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5018 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5019 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5020 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5022 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5024 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5025 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5026 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5027 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5030 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5031 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5032 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5033 { "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" },
5034 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5035 { "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" },
5036 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5037 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5038 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5039 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5040 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5041 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5042 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5043 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5044 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5045 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5046 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5047 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5048 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5049 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5050 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5051 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5052 "use same quantizer as source (implies VBR)" },
5053 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5054 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5055 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5056 "this option is deprecated, use the yadif filter instead" },
5057 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5058 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5059 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5061 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5063 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5064 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5065 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5066 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5067 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5068 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5069 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5070 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5071 { "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" },
5072 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5075 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5076 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5077 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5078 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5079 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5080 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5081 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5082 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5083 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5084 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5086 /* subtitle options */
5087 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5088 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5089 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5092 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5093 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5094 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5097 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5098 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5100 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5101 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5102 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5104 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5105 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5106 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5107 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5108 /* data codec support */
5109 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5110 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5112 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5116 int main(int argc, char **argv)
5118 OptionsContext o = { 0 };
5121 reset_options(&o, 0);
5123 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5124 parse_loglevel(argc, argv, options);
5126 if(argc>1 && !strcmp(argv[1], "-d")){
5128 av_log_set_callback(log_callback_null);
5133 avcodec_register_all();
5135 avdevice_register_all();
5138 avfilter_register_all();
5141 avformat_network_init();
5143 show_banner(argc, argv, options);
5147 parse_cpuflags(argc, argv, options);
5150 parse_options(&o, argc, argv, options, opt_output_file);
5152 if (nb_output_files <= 0 && nb_input_files == 0) {
5154 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5158 /* file converter / grab */
5159 if (nb_output_files <= 0) {
5160 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5164 if (nb_input_files == 0) {
5165 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5170 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5172 ti = getutime() - ti;
5174 int maxrss = getmaxrss() / 1024;
5175 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);