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;
1002 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
1003 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
1004 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
1007 * Audio encoders may split the packets -- #frames in != #packets out.
1008 * But there is no reordering, so we can limit the number of output packets
1009 * by simply dropping them here.
1010 * Counting encoded video frames needs to be done separately because of
1011 * reordering, see do_video_out()
1013 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1014 if (ost->frame_number >= ost->max_frames) {
1015 av_free_packet(pkt);
1018 ost->frame_number++;
1022 AVPacket new_pkt = *pkt;
1023 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1024 &new_pkt.data, &new_pkt.size,
1025 pkt->data, pkt->size,
1026 pkt->flags & AV_PKT_FLAG_KEY);
1028 av_free_packet(pkt);
1029 new_pkt.destruct = av_destruct_packet;
1031 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1032 bsfc->filter->name, pkt->stream_index,
1033 avctx->codec ? avctx->codec->name : "copy");
1043 pkt->stream_index = ost->index;
1044 ret = av_interleaved_write_frame(s, pkt);
1046 print_error("av_interleaved_write_frame()", ret);
1051 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1053 int fill_char = 0x00;
1054 if (sample_fmt == AV_SAMPLE_FMT_U8)
1056 memset(buf, fill_char, size);
1059 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1060 const uint8_t *buf, int buf_size)
1062 AVCodecContext *enc = ost->st->codec;
1063 AVFrame *frame = NULL;
1065 int ret, got_packet;
1067 av_init_packet(&pkt);
1072 if (!ost->output_frame) {
1073 ost->output_frame = avcodec_alloc_frame();
1074 if (!ost->output_frame) {
1075 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1079 frame = ost->output_frame;
1080 if (frame->extended_data != frame->data)
1081 av_freep(&frame->extended_data);
1082 avcodec_get_frame_defaults(frame);
1084 frame->nb_samples = buf_size /
1085 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1086 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1087 buf, buf_size, 1)) < 0) {
1088 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1092 frame->pts = ost->sync_opts;
1093 ost->sync_opts += frame->nb_samples;
1097 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1098 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1105 if (pkt.pts != AV_NOPTS_VALUE)
1106 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1107 if (pkt.dts != AV_NOPTS_VALUE)
1108 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1109 if (pkt.duration > 0)
1110 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1112 write_frame(s, &pkt, ost);
1114 audio_size += pkt.size;
1116 av_free_packet(&pkt);
1120 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1121 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1122 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1123 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1129 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1130 InputStream *ist, AVFrame *decoded_frame)
1133 int64_t audio_buf_size, size_out;
1135 int frame_bytes, resample_changed;
1136 AVCodecContext *enc = ost->st->codec;
1137 AVCodecContext *dec = ist->st->codec;
1138 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1139 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1140 uint8_t *buf[AV_NUM_DATA_POINTERS];
1141 int size = decoded_frame->nb_samples * dec->channels * isize;
1142 int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
1143 int64_t allocated_for_size = size;
1146 av_assert0(planes <= AV_NUM_DATA_POINTERS);
1148 for(i=0; i<planes; i++)
1149 buf[i]= decoded_frame->data[i];
1152 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1153 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1154 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1155 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1156 audio_buf_size *= osize * enc->channels;
1158 if (audio_buf_size > INT_MAX) {
1159 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1163 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1165 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1169 if (enc->channels != dec->channels
1170 || enc->sample_fmt != dec->sample_fmt
1171 || enc->sample_rate!= dec->sample_rate
1173 ost->audio_resample = 1;
1175 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1176 ost->resample_channels != dec->channels ||
1177 ost->resample_sample_rate != dec->sample_rate;
1179 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1180 if (resample_changed) {
1181 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",
1182 ist->file_index, ist->st->index,
1183 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1184 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1185 ost->resample_sample_fmt = dec->sample_fmt;
1186 ost->resample_channels = dec->channels;
1187 ost->resample_sample_rate = dec->sample_rate;
1188 swr_free(&ost->swr);
1190 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1191 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1192 ost->resample_sample_fmt == enc->sample_fmt &&
1193 ost->resample_channels == enc->channels &&
1194 ost->resample_sample_rate == enc->sample_rate) {
1196 ost->audio_resample = 0;
1198 ost->swr = swr_alloc_set_opts(ost->swr,
1199 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1200 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1202 if (ost->audio_channels_mapped)
1203 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1204 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1205 if (ost->audio_channels_mapped) {
1206 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1207 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1209 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1210 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1213 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1214 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1217 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1218 if(ost->swr && swr_init(ost->swr) < 0){
1219 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1220 swr_free(&ost->swr);
1224 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1225 dec->channels, dec->sample_rate,
1226 enc->channels, enc->sample_rate);
1232 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1234 if (audio_sync_method > 0) {
1235 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1236 av_fifo_size(ost->fifo) / (enc->channels * osize);
1237 int idelta = delta * dec->sample_rate / enc->sample_rate;
1238 int byte_delta = idelta * isize * dec->channels;
1240 // FIXME resample delay
1241 if (fabs(delta) > 50) {
1242 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1243 if (byte_delta < 0) {
1244 byte_delta = FFMAX(byte_delta, -size);
1246 for (i=0; i<planes; i++)
1247 buf[i] -= byte_delta/planes;
1248 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1249 -byte_delta / (isize * dec->channels));
1254 input_tmp = av_realloc(input_tmp, byte_delta + size);
1256 if (byte_delta > allocated_for_size - size) {
1257 allocated_for_size = byte_delta + (int64_t)size;
1262 for (i=0; i<planes; i++) {
1263 uint8_t *t = input_tmp + i*((byte_delta + size)/planes);
1264 generate_silence(t, dec->sample_fmt, byte_delta/planes);
1265 memcpy(t + byte_delta/planes, buf[i], size/planes);
1269 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1271 } else if (audio_sync_method > 1) {
1272 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1273 av_assert0(ost->audio_resample);
1274 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1275 delta, comp, enc->sample_rate);
1276 // 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));
1277 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1281 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1282 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1284 if (ost->audio_resample || ost->audio_channels_mapped) {
1286 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1287 buf, size / (dec->channels * isize));
1289 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1292 size_out = size_out * enc->channels * osize;
1298 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1300 /* now encode as many frames as possible */
1301 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1302 /* output resampled raw samples */
1303 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1304 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1307 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1309 frame_bytes = enc->frame_size * osize * enc->channels;
1311 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1312 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1313 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1316 encode_audio_frame(s, ost, buftmp, size_out);
1320 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1322 AVCodecContext *dec;
1323 AVPicture *picture2;
1324 AVPicture picture_tmp;
1327 dec = ist->st->codec;
1329 /* deinterlace : must be done before any resize */
1330 if (do_deinterlace) {
1333 /* create temporary picture */
1334 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1335 buf = av_malloc(size);
1339 picture2 = &picture_tmp;
1340 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1342 if (avpicture_deinterlace(picture2, picture,
1343 dec->pix_fmt, dec->width, dec->height) < 0) {
1344 /* if error, do not deinterlace */
1345 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1354 if (picture != picture2)
1355 *picture = *picture2;
1359 static void do_subtitle_out(AVFormatContext *s,
1365 static uint8_t *subtitle_out = NULL;
1366 int subtitle_out_max_size = 1024 * 1024;
1367 int subtitle_out_size, nb, i;
1368 AVCodecContext *enc;
1371 if (pts == AV_NOPTS_VALUE) {
1372 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1378 enc = ost->st->codec;
1380 if (!subtitle_out) {
1381 subtitle_out = av_malloc(subtitle_out_max_size);
1384 /* Note: DVB subtitle need one packet to draw them and one other
1385 packet to clear them */
1386 /* XXX: signal it in the codec context ? */
1387 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1392 for (i = 0; i < nb; i++) {
1393 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1395 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1396 // start_display_time is required to be 0
1397 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1398 sub->end_display_time -= sub->start_display_time;
1399 sub->start_display_time = 0;
1400 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1401 subtitle_out_max_size, sub);
1402 if (subtitle_out_size < 0) {
1403 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1407 av_init_packet(&pkt);
1408 pkt.data = subtitle_out;
1409 pkt.size = subtitle_out_size;
1410 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1411 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1412 /* XXX: the pts correction is handled here. Maybe handling
1413 it in the codec would be better */
1415 pkt.pts += 90 * sub->start_display_time;
1417 pkt.pts += 90 * sub->end_display_time;
1419 write_frame(s, &pkt, ost);
1423 static void do_video_resample(OutputStream *ost,
1425 AVFrame *in_picture,
1426 AVFrame **out_picture)
1429 *out_picture = in_picture;
1431 AVCodecContext *dec = ist->st->codec;
1432 AVCodecContext *enc = ost->st->codec;
1433 int resample_changed = ost->resample_width != in_picture->width ||
1434 ost->resample_height != in_picture->height ||
1435 ost->resample_pix_fmt != in_picture->format;
1437 *out_picture = in_picture;
1438 if (resample_changed) {
1439 av_log(NULL, AV_LOG_INFO,
1440 "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",
1441 ist->file_index, ist->st->index,
1442 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1443 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1444 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1445 ost->resample_width = in_picture->width;
1446 ost->resample_height = in_picture->height;
1447 ost->resample_pix_fmt = in_picture->format;
1450 ost->video_resample = in_picture->width != enc->width ||
1451 in_picture->height != enc->height ||
1452 in_picture->format != enc->pix_fmt;
1454 if (ost->video_resample) {
1455 *out_picture = &ost->resample_frame;
1456 if (!ost->img_resample_ctx || resample_changed) {
1457 /* initialize the destination picture */
1458 if (!ost->resample_frame.data[0]) {
1459 avcodec_get_frame_defaults(&ost->resample_frame);
1460 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1461 enc->width, enc->height)) {
1462 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1466 /* initialize a new scaler context */
1467 sws_freeContext(ost->img_resample_ctx);
1468 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1469 enc->width, enc->height, enc->pix_fmt,
1470 ost->sws_flags, NULL, NULL, NULL);
1471 if (ost->img_resample_ctx == NULL) {
1472 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1476 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1477 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1482 static double psnr(double d)
1484 return -10.0 * log(d) / log(10.0);
1487 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1490 AVCodecContext *enc;
1492 double ti1, bitrate, avg_bitrate;
1494 /* this is executed just the first time do_video_stats is called */
1496 vstats_file = fopen(vstats_filename, "w");
1503 enc = ost->st->codec;
1504 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1505 frame_number = ost->frame_number;
1506 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1507 if (enc->flags&CODEC_FLAG_PSNR)
1508 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1510 fprintf(vstats_file,"f_size= %6d ", frame_size);
1511 /* compute pts value */
1512 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1516 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1517 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1518 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1519 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1520 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1525 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1526 InputStream *ist, AVFrame *in_picture)
1528 int nb_frames, i, ret, format_video_sync;
1529 AVFrame *final_picture;
1530 AVCodecContext *enc;
1531 double sync_ipts, delta;
1532 double duration = 0;
1534 float quality = same_quant ? in_picture->quality
1535 : ost->st->codec->global_quality;
1537 enc = ost->st->codec;
1539 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1540 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1541 if(ist->st->avg_frame_rate.num)
1542 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1544 duration /= av_q2d(enc->time_base);
1547 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1548 delta = sync_ipts - ost->sync_opts + duration;
1550 /* by default, we output a single frame */
1553 format_video_sync = video_sync_method;
1554 if (format_video_sync == VSYNC_AUTO)
1555 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1557 switch (format_video_sync) {
1559 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1562 else if (delta > 1.1)
1563 nb_frames = lrintf(delta);
1568 else if (delta > 0.6)
1569 ost->sync_opts = lrintf(sync_ipts);
1572 case VSYNC_PASSTHROUGH:
1573 ost->sync_opts = lrintf(sync_ipts);
1579 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1580 if (nb_frames == 0) {
1582 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1584 } else if (nb_frames > 1) {
1585 nb_frames_dup += nb_frames - 1;
1586 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1589 do_video_resample(ost, ist, in_picture, &final_picture);
1591 /* duplicates frame if needed */
1592 for (i = 0; i < nb_frames; i++) {
1594 av_init_packet(&pkt);
1598 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1599 enc->codec->id == CODEC_ID_RAWVIDEO) {
1600 /* raw pictures are written as AVPicture structure to
1601 avoid any copies. We support temporarily the older
1603 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1604 enc->coded_frame->top_field_first = in_picture->top_field_first;
1605 pkt.data = (uint8_t *)final_picture;
1606 pkt.size = sizeof(AVPicture);
1607 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1608 pkt.flags |= AV_PKT_FLAG_KEY;
1610 write_frame(s, &pkt, ost);
1613 AVFrame big_picture;
1615 big_picture = *final_picture;
1616 /* better than nothing: use input picture interlaced
1618 big_picture.interlaced_frame = in_picture->interlaced_frame;
1619 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1620 if (ost->top_field_first == -1)
1621 big_picture.top_field_first = in_picture->top_field_first;
1623 big_picture.top_field_first = !!ost->top_field_first;
1626 /* handles same_quant here. This is not correct because it may
1627 not be a global option */
1628 big_picture.quality = quality;
1629 if (!enc->me_threshold)
1630 big_picture.pict_type = 0;
1631 big_picture.pts = ost->sync_opts;
1632 if (ost->forced_kf_index < ost->forced_kf_count &&
1633 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1634 big_picture.pict_type = AV_PICTURE_TYPE_I;
1635 ost->forced_kf_index++;
1637 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1639 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1644 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1645 pkt.pts = ost->sync_opts;
1647 if (pkt.pts != AV_NOPTS_VALUE)
1648 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1649 if (pkt.dts != AV_NOPTS_VALUE)
1650 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1653 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1654 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1655 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1656 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1659 write_frame(s, &pkt, ost);
1660 frame_size = pkt.size;
1661 video_size += pkt.size;
1662 av_free_packet(&pkt);
1664 /* if two pass, output log */
1665 if (ost->logfile && enc->stats_out) {
1666 fprintf(ost->logfile, "%s", enc->stats_out);
1672 * For video, number of frames in == number of packets out.
1673 * But there may be reordering, so we can't throw away frames on encoder
1674 * flush, we need to limit them here, before they go into encoder.
1676 ost->frame_number++;
1678 if (vstats_filename && frame_size)
1679 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1682 static void print_report(OutputFile *output_files,
1683 OutputStream *ost_table, int nb_ostreams,
1684 int is_last_report, int64_t timer_start, int64_t cur_time)
1688 AVFormatContext *oc;
1690 AVCodecContext *enc;
1691 int frame_number, vid, i;
1693 int64_t pts = INT64_MAX;
1694 static int64_t last_time = -1;
1695 static int qp_histogram[52];
1696 int hours, mins, secs, us;
1698 if (!print_stats && !is_last_report)
1701 if (!is_last_report) {
1702 if (last_time == -1) {
1703 last_time = cur_time;
1706 if ((cur_time - last_time) < 500000)
1708 last_time = cur_time;
1712 oc = output_files[0].ctx;
1714 total_size = avio_size(oc->pb);
1715 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1716 total_size = avio_tell(oc->pb);
1723 for (i = 0; i < nb_ostreams; i++) {
1725 ost = &ost_table[i];
1726 enc = ost->st->codec;
1727 if (!ost->stream_copy && enc->coded_frame)
1728 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1729 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1730 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1732 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1733 float fps, t = (cur_time-timer_start) / 1000000.0;
1735 frame_number = ost->frame_number;
1736 fps = t > 1 ? frame_number / t : 0;
1737 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1738 frame_number, fps < 9.95, fps, q);
1740 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1744 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1746 for (j = 0; j < 32; j++)
1747 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1749 if (enc->flags&CODEC_FLAG_PSNR) {
1751 double error, error_sum = 0;
1752 double scale, scale_sum = 0;
1753 char type[3] = { 'Y','U','V' };
1754 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1755 for (j = 0; j < 3; j++) {
1756 if (is_last_report) {
1757 error = enc->error[j];
1758 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1760 error = enc->coded_frame->error[j];
1761 scale = enc->width * enc->height * 255.0 * 255.0;
1767 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1769 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1773 /* compute min output value */
1774 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1775 ost->st->time_base, AV_TIME_BASE_Q));
1778 secs = pts / AV_TIME_BASE;
1779 us = pts % AV_TIME_BASE;
1785 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1787 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1788 "size=%8.0fkB time=", total_size / 1024.0);
1789 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1790 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1791 (100 * us) / AV_TIME_BASE);
1792 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1793 "bitrate=%6.1fkbits/s", bitrate);
1795 if (nb_frames_dup || nb_frames_drop)
1796 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1797 nb_frames_dup, nb_frames_drop);
1799 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1803 if (is_last_report) {
1804 int64_t raw= audio_size + video_size + extra_size;
1805 av_log(NULL, AV_LOG_INFO, "\n");
1806 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1807 video_size / 1024.0,
1808 audio_size / 1024.0,
1809 extra_size / 1024.0,
1810 100.0 * (total_size - raw) / raw
1812 if(video_size + audio_size + extra_size == 0){
1813 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1818 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1822 for (i = 0; i < nb_ostreams; i++) {
1823 OutputStream *ost = &ost_table[i];
1824 AVCodecContext *enc = ost->st->codec;
1825 AVFormatContext *os = output_files[ost->file_index].ctx;
1826 int stop_encoding = 0;
1828 if (!ost->encoding_needed)
1831 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1833 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1838 int fifo_bytes, got_packet;
1839 av_init_packet(&pkt);
1843 switch (ost->st->codec->codec_type) {
1844 case AVMEDIA_TYPE_AUDIO:
1845 fifo_bytes = av_fifo_size(ost->fifo);
1846 if (fifo_bytes > 0) {
1847 /* encode any samples remaining in fifo */
1848 int frame_bytes = fifo_bytes;
1850 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1852 /* pad last frame with silence if needed */
1853 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1854 frame_bytes = enc->frame_size * enc->channels *
1855 av_get_bytes_per_sample(enc->sample_fmt);
1856 if (allocated_audio_buf_size < frame_bytes)
1858 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1860 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1862 /* flush encoder with NULL frames until it is done
1863 returning packets */
1864 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1870 case AVMEDIA_TYPE_VIDEO:
1871 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1873 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1876 video_size += pkt.size;
1877 if (ost->logfile && enc->stats_out) {
1878 fprintf(ost->logfile, "%s", enc->stats_out);
1884 if (pkt.pts != AV_NOPTS_VALUE)
1885 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1886 if (pkt.dts != AV_NOPTS_VALUE)
1887 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1888 write_frame(os, &pkt, ost);
1900 * Check whether a packet from ist should be written into ost at this time
1902 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1904 OutputFile *of = &output_files[ost->file_index];
1905 int ist_index = ist - input_streams;
1907 if (ost->source_index != ist_index)
1910 if (of->start_time && ist->pts < of->start_time)
1913 if (of->recording_time != INT64_MAX &&
1914 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1915 (AVRational){ 1, 1000000 }) >= 0) {
1916 ost->is_past_recording_time = 1;
1923 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1925 OutputFile *of = &output_files[ost->file_index];
1926 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1930 av_init_packet(&opkt);
1932 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1933 !ost->copy_initial_nonkeyframes)
1936 /* force the input stream PTS */
1937 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1938 audio_size += pkt->size;
1939 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1940 video_size += pkt->size;
1944 if (pkt->pts != AV_NOPTS_VALUE)
1945 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1947 opkt.pts = AV_NOPTS_VALUE;
1949 if (pkt->dts == AV_NOPTS_VALUE)
1950 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1952 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1953 opkt.dts -= ost_tb_start_time;
1955 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1956 opkt.flags = pkt->flags;
1958 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1959 if ( ost->st->codec->codec_id != CODEC_ID_H264
1960 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1961 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1962 && ost->st->codec->codec_id != CODEC_ID_VC1
1964 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1965 opkt.destruct = av_destruct_packet;
1967 opkt.data = pkt->data;
1968 opkt.size = pkt->size;
1970 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1971 /* store AVPicture in AVPacket, as expected by the output format */
1972 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1973 opkt.data = (uint8_t *)&pict;
1974 opkt.size = sizeof(AVPicture);
1975 opkt.flags |= AV_PKT_FLAG_KEY;
1978 write_frame(of->ctx, &opkt, ost);
1979 ost->st->codec->frame_number++;
1980 av_free_packet(&opkt);
1983 static void rate_emu_sleep(InputStream *ist)
1985 if (input_files[ist->file_index].rate_emu) {
1986 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1987 int64_t now = av_gettime() - ist->start;
1993 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1995 AVFrame *decoded_frame;
1996 AVCodecContext *avctx = ist->st->codec;
1997 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
2000 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2001 return AVERROR(ENOMEM);
2003 avcodec_get_frame_defaults(ist->decoded_frame);
2004 decoded_frame = ist->decoded_frame;
2006 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2012 /* no audio frame */
2016 /* if the decoder provides a pts, use it instead of the last packet pts.
2017 the decoder could be delaying output by a packet or more. */
2018 if (decoded_frame->pts != AV_NOPTS_VALUE)
2019 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2021 /* increment next_dts to use for the case where the input stream does not
2022 have timestamps or there are multiple frames in the packet */
2023 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2025 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2029 // preprocess audio (volume)
2030 if (audio_volume != 256) {
2031 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2032 void *samples = decoded_frame->data[0];
2033 switch (avctx->sample_fmt) {
2034 case AV_SAMPLE_FMT_U8:
2036 uint8_t *volp = samples;
2037 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2038 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2039 *volp++ = av_clip_uint8(v);
2043 case AV_SAMPLE_FMT_S16:
2045 int16_t *volp = samples;
2046 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2047 int v = ((*volp) * audio_volume + 128) >> 8;
2048 *volp++ = av_clip_int16(v);
2052 case AV_SAMPLE_FMT_S32:
2054 int32_t *volp = samples;
2055 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2056 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2057 *volp++ = av_clipl_int32(v);
2061 case AV_SAMPLE_FMT_FLT:
2063 float *volp = samples;
2064 float scale = audio_volume / 256.f;
2065 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2070 case AV_SAMPLE_FMT_DBL:
2072 double *volp = samples;
2073 double scale = audio_volume / 256.;
2074 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2080 av_log(NULL, AV_LOG_FATAL,
2081 "Audio volume adjustment on sample format %s is not supported.\n",
2082 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2087 rate_emu_sleep(ist);
2089 for (i = 0; i < nb_output_streams; i++) {
2090 OutputStream *ost = &output_streams[i];
2092 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2094 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2100 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2102 AVFrame *decoded_frame;
2103 void *buffer_to_free = NULL;
2105 int64_t *best_effort_timestamp;
2106 AVRational *frame_sample_aspect;
2108 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2109 return AVERROR(ENOMEM);
2111 avcodec_get_frame_defaults(ist->decoded_frame);
2112 decoded_frame = ist->decoded_frame;
2113 pkt->pts = *pkt_pts;
2114 pkt->dts = ist->dts;
2115 *pkt_pts = AV_NOPTS_VALUE;
2117 ret = avcodec_decode_video2(ist->st->codec,
2118 decoded_frame, got_output, pkt);
2123 /* no picture yet */
2127 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2128 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2129 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2133 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2136 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2137 for(i=0;i<nb_output_streams;i++) {
2138 OutputStream *ost = ost = &output_streams[i];
2139 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2140 if (!frame_sample_aspect->num)
2141 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2142 decoded_frame->pts = ist->pts;
2143 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2144 FrameBuffer *buf = decoded_frame->opaque;
2145 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2146 decoded_frame->data, decoded_frame->linesize,
2147 AV_PERM_READ | AV_PERM_PRESERVE,
2148 ist->st->codec->width, ist->st->codec->height,
2149 ist->st->codec->pix_fmt);
2151 avfilter_copy_frame_props(fb, decoded_frame);
2152 fb->buf->priv = buf;
2153 fb->buf->free = filter_release_buffer;
2156 av_buffersrc_buffer(ost->input_video_filter, fb);
2158 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2159 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2166 rate_emu_sleep(ist);
2168 for (i = 0; i < nb_output_streams; i++) {
2169 OutputStream *ost = &output_streams[i];
2171 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2175 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2176 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2177 AVFrame *filtered_frame;
2179 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2180 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2183 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2184 ret = AVERROR(ENOMEM);
2187 filtered_frame = ist->filtered_frame;
2188 *filtered_frame= *decoded_frame; //for me_threshold
2189 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2190 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2191 if (!ost->frame_aspect_ratio)
2192 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2193 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2195 avfilter_unref_buffer(ost->picref);
2198 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2203 av_free(buffer_to_free);
2207 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2209 AVSubtitle subtitle;
2210 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2211 &subtitle, got_output, pkt);
2217 rate_emu_sleep(ist);
2219 for (i = 0; i < nb_output_streams; i++) {
2220 OutputStream *ost = &output_streams[i];
2222 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2225 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2228 avsubtitle_free(&subtitle);
2232 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2233 static int output_packet(InputStream *ist,
2234 OutputStream *ost_table, int nb_ostreams,
2235 const AVPacket *pkt)
2239 int64_t pkt_pts = AV_NOPTS_VALUE;
2243 if (ist->next_dts == AV_NOPTS_VALUE)
2244 ist->next_dts = ist->dts;
2245 if (ist->next_pts == AV_NOPTS_VALUE)
2246 ist->next_pts = ist->pts;
2250 av_init_packet(&avpkt);
2258 if (pkt->dts != AV_NOPTS_VALUE) {
2259 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2260 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2261 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2263 if(pkt->pts != AV_NOPTS_VALUE)
2264 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2266 // while we have more to decode or while the decoder did output something on EOF
2267 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2271 ist->pts = ist->next_pts;
2272 ist->dts = ist->next_dts;
2274 if (avpkt.size && avpkt.size != pkt->size) {
2275 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2276 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2277 ist->showed_multi_packet_warning = 1;
2280 switch (ist->st->codec->codec_type) {
2281 case AVMEDIA_TYPE_AUDIO:
2282 ret = transcode_audio (ist, &avpkt, &got_output);
2284 case AVMEDIA_TYPE_VIDEO:
2285 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2286 if (avpkt.duration) {
2287 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2288 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2289 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2290 duration = ((int64_t)AV_TIME_BASE *
2291 ist->st->codec->time_base.num * ticks) /
2292 ist->st->codec->time_base.den;
2296 if(ist->dts != AV_NOPTS_VALUE && duration) {
2297 ist->next_dts += duration;
2299 ist->next_dts = AV_NOPTS_VALUE;
2302 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2304 case AVMEDIA_TYPE_SUBTITLE:
2305 ret = transcode_subtitles(ist, &avpkt, &got_output);
2315 avpkt.pts= AV_NOPTS_VALUE;
2317 // touch data and size only if not EOF
2319 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2329 /* handle stream copy */
2330 if (!ist->decoding_needed) {
2331 rate_emu_sleep(ist);
2332 ist->dts = ist->next_dts;
2333 switch (ist->st->codec->codec_type) {
2334 case AVMEDIA_TYPE_AUDIO:
2335 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2336 ist->st->codec->sample_rate;
2338 case AVMEDIA_TYPE_VIDEO:
2339 if (pkt->duration) {
2340 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2341 } else if(ist->st->codec->time_base.num != 0) {
2342 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2343 ist->next_dts += ((int64_t)AV_TIME_BASE *
2344 ist->st->codec->time_base.num * ticks) /
2345 ist->st->codec->time_base.den;
2349 ist->pts = ist->dts;
2350 ist->next_pts = ist->next_dts;
2352 for (i = 0; pkt && i < nb_ostreams; i++) {
2353 OutputStream *ost = &ost_table[i];
2355 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2358 do_streamcopy(ist, ost, pkt);
2364 static void print_sdp(OutputFile *output_files, int n)
2368 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2372 for (i = 0; i < n; i++)
2373 avc[i] = output_files[i].ctx;
2375 av_sdp_create(avc, n, sdp, sizeof(sdp));
2376 printf("SDP:\n%s\n", sdp);
2381 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2382 char *error, int error_len)
2384 InputStream *ist = &input_streams[ist_index];
2385 if (ist->decoding_needed) {
2386 AVCodec *codec = ist->dec;
2388 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2389 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2390 return AVERROR(EINVAL);
2393 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2394 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2395 ist->st->codec->get_buffer = codec_get_buffer;
2396 ist->st->codec->release_buffer = codec_release_buffer;
2397 ist->st->codec->opaque = ist;
2400 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2401 av_dict_set(&ist->opts, "threads", "auto", 0);
2402 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2403 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2404 ist->file_index, ist->st->index);
2405 return AVERROR(EINVAL);
2407 assert_codec_experimental(ist->st->codec, 0);
2408 assert_avoptions(ist->opts);
2411 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;
2412 ist->next_pts = AV_NOPTS_VALUE;
2413 ist->next_dts = AV_NOPTS_VALUE;
2419 static int transcode_init(OutputFile *output_files, int nb_output_files,
2420 InputFile *input_files, int nb_input_files)
2422 int ret = 0, i, j, k;
2423 AVFormatContext *oc;
2424 AVCodecContext *codec, *icodec;
2430 /* init framerate emulation */
2431 for (i = 0; i < nb_input_files; i++) {
2432 InputFile *ifile = &input_files[i];
2433 if (ifile->rate_emu)
2434 for (j = 0; j < ifile->nb_streams; j++)
2435 input_streams[j + ifile->ist_index].start = av_gettime();
2438 /* output stream init */
2439 for (i = 0; i < nb_output_files; i++) {
2440 oc = output_files[i].ctx;
2441 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2442 av_dump_format(oc, i, oc->filename, 1);
2443 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2444 return AVERROR(EINVAL);
2448 /* for each output stream, we compute the right encoding parameters */
2449 for (i = 0; i < nb_output_streams; i++) {
2450 ost = &output_streams[i];
2451 oc = output_files[ost->file_index].ctx;
2452 ist = &input_streams[ost->source_index];
2454 if (ost->attachment_filename)
2457 codec = ost->st->codec;
2458 icodec = ist->st->codec;
2460 ost->st->disposition = ist->st->disposition;
2461 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2462 codec->chroma_sample_location = icodec->chroma_sample_location;
2464 if (ost->stream_copy) {
2465 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2467 if (extra_size > INT_MAX) {
2468 return AVERROR(EINVAL);
2471 /* if stream_copy is selected, no need to decode or encode */
2472 codec->codec_id = icodec->codec_id;
2473 codec->codec_type = icodec->codec_type;
2475 if (!codec->codec_tag) {
2476 if (!oc->oformat->codec_tag ||
2477 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2478 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2479 codec->codec_tag = icodec->codec_tag;
2482 codec->bit_rate = icodec->bit_rate;
2483 codec->rc_max_rate = icodec->rc_max_rate;
2484 codec->rc_buffer_size = icodec->rc_buffer_size;
2485 codec->field_order = icodec->field_order;
2486 codec->extradata = av_mallocz(extra_size);
2487 if (!codec->extradata) {
2488 return AVERROR(ENOMEM);
2490 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2491 codec->extradata_size= icodec->extradata_size;
2493 codec->time_base = ist->st->time_base;
2495 * Avi is a special case here because it supports variable fps but
2496 * having the fps and timebase differe significantly adds quite some
2499 if(!strcmp(oc->oformat->name, "avi")) {
2500 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2501 && av_q2d(ist->st->time_base) < 1.0/500
2503 codec->time_base = icodec->time_base;
2504 codec->time_base.num *= icodec->ticks_per_frame;
2505 codec->time_base.den *= 2;
2507 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2508 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2509 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2511 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2512 && av_q2d(ist->st->time_base) < 1.0/500
2514 codec->time_base = icodec->time_base;
2515 codec->time_base.num *= icodec->ticks_per_frame;
2518 av_reduce(&codec->time_base.num, &codec->time_base.den,
2519 codec->time_base.num, codec->time_base.den, INT_MAX);
2521 switch (codec->codec_type) {
2522 case AVMEDIA_TYPE_AUDIO:
2523 if (audio_volume != 256) {
2524 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2527 codec->channel_layout = icodec->channel_layout;
2528 codec->sample_rate = icodec->sample_rate;
2529 codec->channels = icodec->channels;
2530 codec->frame_size = icodec->frame_size;
2531 codec->audio_service_type = icodec->audio_service_type;
2532 codec->block_align = icodec->block_align;
2534 case AVMEDIA_TYPE_VIDEO:
2535 codec->pix_fmt = icodec->pix_fmt;
2536 codec->width = icodec->width;
2537 codec->height = icodec->height;
2538 codec->has_b_frames = icodec->has_b_frames;
2539 if (!codec->sample_aspect_ratio.num) {
2540 codec->sample_aspect_ratio =
2541 ost->st->sample_aspect_ratio =
2542 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2543 ist->st->codec->sample_aspect_ratio.num ?
2544 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2546 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2548 case AVMEDIA_TYPE_SUBTITLE:
2549 codec->width = icodec->width;
2550 codec->height = icodec->height;
2552 case AVMEDIA_TYPE_DATA:
2553 case AVMEDIA_TYPE_ATTACHMENT:
2560 ost->enc = avcodec_find_encoder(codec->codec_id);
2562 ist->decoding_needed = 1;
2563 ost->encoding_needed = 1;
2565 switch (codec->codec_type) {
2566 case AVMEDIA_TYPE_AUDIO:
2567 ost->fifo = av_fifo_alloc(1024);
2569 return AVERROR(ENOMEM);
2571 if (!codec->sample_rate)
2572 codec->sample_rate = icodec->sample_rate;
2573 choose_sample_rate(ost->st, ost->enc);
2574 codec->time_base = (AVRational){ 1, codec->sample_rate };
2576 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2577 codec->sample_fmt = icodec->sample_fmt;
2578 choose_sample_fmt(ost->st, ost->enc);
2580 if (ost->audio_channels_mapped) {
2581 /* the requested output channel is set to the number of
2582 * -map_channel only if no -ac are specified */
2583 if (!codec->channels) {
2584 codec->channels = ost->audio_channels_mapped;
2585 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2586 if (!codec->channel_layout) {
2587 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2591 /* fill unused channel mapping with -1 (which means a muted
2592 * channel in case the number of output channels is bigger
2593 * than the number of mapped channel) */
2594 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2595 ost->audio_channels_map[j] = -1;
2596 } else if (!codec->channels) {
2597 codec->channels = icodec->channels;
2598 codec->channel_layout = icodec->channel_layout;
2600 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2601 codec->channel_layout = 0;
2603 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2604 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2605 || codec->channel_layout != icodec->channel_layout;
2606 icodec->request_channels = codec->channels;
2607 ost->resample_sample_fmt = icodec->sample_fmt;
2608 ost->resample_sample_rate = icodec->sample_rate;
2609 ost->resample_channels = icodec->channels;
2611 case AVMEDIA_TYPE_VIDEO:
2612 if (codec->pix_fmt == PIX_FMT_NONE)
2613 codec->pix_fmt = icodec->pix_fmt;
2614 choose_pixel_fmt(ost->st, ost->enc);
2616 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2617 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2621 if (!codec->width || !codec->height) {
2622 codec->width = icodec->width;
2623 codec->height = icodec->height;
2626 ost->video_resample = codec->width != icodec->width ||
2627 codec->height != icodec->height ||
2628 codec->pix_fmt != icodec->pix_fmt;
2629 if (ost->video_resample) {
2630 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2633 ost->resample_height = icodec->height;
2634 ost->resample_width = icodec->width;
2635 ost->resample_pix_fmt = icodec->pix_fmt;
2637 if (!ost->frame_rate.num)
2638 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2639 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2640 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2641 ost->frame_rate = ost->enc->supported_framerates[idx];
2643 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2644 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2645 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2646 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2647 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2649 for (j = 0; j < ost->forced_kf_count; j++)
2650 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2655 if (configure_video_filters(ist, ost)) {
2656 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2661 case AVMEDIA_TYPE_SUBTITLE:
2662 codec->time_base = (AVRational){1, 1000};
2669 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2670 char logfilename[1024];
2673 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2674 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2676 if (!strcmp(ost->enc->name, "libx264")) {
2677 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2679 if (codec->flags & CODEC_FLAG_PASS2) {
2681 size_t logbuffer_size;
2682 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2683 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2687 codec->stats_in = logbuffer;
2689 if (codec->flags & CODEC_FLAG_PASS1) {
2690 f = fopen(logfilename, "wb");
2692 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2693 logfilename, strerror(errno));
2703 /* open each encoder */
2704 for (i = 0; i < nb_output_streams; i++) {
2705 ost = &output_streams[i];
2706 if (ost->encoding_needed) {
2707 AVCodec *codec = ost->enc;
2708 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2710 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2711 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2712 ret = AVERROR(EINVAL);
2715 if (dec->subtitle_header) {
2716 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2717 if (!ost->st->codec->subtitle_header) {
2718 ret = AVERROR(ENOMEM);
2721 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2722 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2724 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2725 av_dict_set(&ost->opts, "threads", "auto", 0);
2726 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2727 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2728 ost->file_index, ost->index);
2729 ret = AVERROR(EINVAL);
2732 assert_codec_experimental(ost->st->codec, 1);
2733 assert_avoptions(ost->opts);
2734 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2735 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2736 " It takes bits/s as argument, not kbits/s\n");
2737 extra_size += ost->st->codec->extradata_size;
2739 if (ost->st->codec->me_threshold)
2740 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2744 /* init input streams */
2745 for (i = 0; i < nb_input_streams; i++)
2746 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2749 /* discard unused programs */
2750 for (i = 0; i < nb_input_files; i++) {
2751 InputFile *ifile = &input_files[i];
2752 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2753 AVProgram *p = ifile->ctx->programs[j];
2754 int discard = AVDISCARD_ALL;
2756 for (k = 0; k < p->nb_stream_indexes; k++)
2757 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2758 discard = AVDISCARD_DEFAULT;
2761 p->discard = discard;
2765 /* open files and write file headers */
2766 for (i = 0; i < nb_output_files; i++) {
2767 oc = output_files[i].ctx;
2768 oc->interrupt_callback = int_cb;
2769 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2770 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2771 ret = AVERROR(EINVAL);
2774 // assert_avoptions(output_files[i].opts);
2775 if (strcmp(oc->oformat->name, "rtp")) {
2781 /* dump the file output parameters - cannot be done before in case
2783 for (i = 0; i < nb_output_files; i++) {
2784 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2787 /* dump the stream mapping */
2788 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2789 for (i = 0; i < nb_output_streams; i++) {
2790 ost = &output_streams[i];
2792 if (ost->attachment_filename) {
2793 /* an attached file */
2794 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2795 ost->attachment_filename, ost->file_index, ost->index);
2798 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2799 input_streams[ost->source_index].file_index,
2800 input_streams[ost->source_index].st->index,
2803 if (ost->audio_channels_mapped) {
2804 av_log(NULL, AV_LOG_INFO, " [ch:");
2805 for (j = 0; j < ost->audio_channels_mapped; j++)
2806 if (ost->audio_channels_map[j] == -1)
2807 av_log(NULL, AV_LOG_INFO, " M");
2809 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2810 av_log(NULL, AV_LOG_INFO, "]");
2812 if (ost->sync_ist != &input_streams[ost->source_index])
2813 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2814 ost->sync_ist->file_index,
2815 ost->sync_ist->st->index);
2816 if (ost->stream_copy)
2817 av_log(NULL, AV_LOG_INFO, " (copy)");
2819 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2820 input_streams[ost->source_index].dec->name : "?",
2821 ost->enc ? ost->enc->name : "?");
2822 av_log(NULL, AV_LOG_INFO, "\n");
2826 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2831 print_sdp(output_files, nb_output_files);
2838 * The following code is the main loop of the file converter
2840 static int transcode(OutputFile *output_files, int nb_output_files,
2841 InputFile *input_files, int nb_input_files)
2844 AVFormatContext *is, *os;
2848 int no_packet_count = 0;
2849 int64_t timer_start;
2852 if (!(no_packet = av_mallocz(nb_input_files)))
2855 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2860 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2863 timer_start = av_gettime();
2865 for (; received_sigterm == 0;) {
2866 int file_index, ist_index;
2870 int64_t cur_time= av_gettime();
2872 ipts_min = INT64_MAX;
2874 /* if 'q' pressed, exits */
2876 static int64_t last_time;
2877 if (received_nb_signals)
2879 /* read_key() returns 0 on EOF */
2880 if(cur_time - last_time >= 100000 && !run_as_daemon){
2882 last_time = cur_time;
2887 if (key == '+') av_log_set_level(av_log_get_level()+10);
2888 if (key == '-') av_log_set_level(av_log_get_level()-10);
2889 if (key == 's') qp_hist ^= 1;
2892 do_hex_dump = do_pkt_dump = 0;
2893 } else if(do_pkt_dump){
2897 av_log_set_level(AV_LOG_DEBUG);
2900 if (key == 'c' || key == 'C'){
2901 char buf[4096], target[64], command[256], arg[256] = {0};
2904 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2906 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2911 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2912 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2913 target, time, command, arg);
2914 for (i = 0; i < nb_output_streams; i++) {
2915 ost = &output_streams[i];
2918 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2919 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2920 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2922 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2927 av_log(NULL, AV_LOG_ERROR,
2928 "Parse error, at least 3 arguments were expected, "
2929 "only %d given in string '%s'\n", n, buf);
2933 if (key == 'd' || key == 'D'){
2936 debug = input_streams[0].st->codec->debug<<1;
2937 if(!debug) debug = 1;
2938 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2941 if(scanf("%d", &debug)!=1)
2942 fprintf(stderr,"error parsing debug value\n");
2943 for(i=0;i<nb_input_streams;i++) {
2944 input_streams[i].st->codec->debug = debug;
2946 for(i=0;i<nb_output_streams;i++) {
2947 ost = &output_streams[i];
2948 ost->st->codec->debug = debug;
2950 if(debug) av_log_set_level(AV_LOG_DEBUG);
2951 fprintf(stderr,"debug=%d\n", debug);
2954 fprintf(stderr, "key function\n"
2955 "? show this help\n"
2956 "+ increase verbosity\n"
2957 "- decrease verbosity\n"
2958 "c Send command to filtergraph\n"
2959 "D cycle through available debug modes\n"
2960 "h dump packets/hex press to cycle through the 3 states\n"
2962 "s Show QP histogram\n"
2967 /* select the stream that we must read now by looking at the
2968 smallest output pts */
2970 for (i = 0; i < nb_output_streams; i++) {
2974 ost = &output_streams[i];
2975 of = &output_files[ost->file_index];
2976 os = output_files[ost->file_index].ctx;
2977 ist = &input_streams[ost->source_index];
2978 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2979 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2981 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2983 if (!input_files[ist->file_index].eof_reached) {
2984 if (ipts < ipts_min) {
2987 file_index = ist->file_index;
2989 if (opts < opts_min) {
2991 if (!input_sync) file_index = ist->file_index;
2994 if (ost->frame_number >= ost->max_frames) {
2996 for (j = 0; j < of->ctx->nb_streams; j++)
2997 output_streams[of->ost_index + j].is_past_recording_time = 1;
3001 /* if none, if is finished */
3002 if (file_index < 0) {
3003 if (no_packet_count) {
3004 no_packet_count = 0;
3005 memset(no_packet, 0, nb_input_files);
3012 /* read a frame from it and output it in the fifo */
3013 is = input_files[file_index].ctx;
3014 ret = av_read_frame(is, &pkt);
3015 if (ret == AVERROR(EAGAIN)) {
3016 no_packet[file_index] = 1;
3021 input_files[file_index].eof_reached = 1;
3028 no_packet_count = 0;
3029 memset(no_packet, 0, nb_input_files);
3032 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3033 is->streams[pkt.stream_index]);
3035 /* the following test is needed in case new streams appear
3036 dynamically in stream : we ignore them */
3037 if (pkt.stream_index >= input_files[file_index].nb_streams)
3038 goto discard_packet;
3039 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3040 ist = &input_streams[ist_index];
3042 goto discard_packet;
3044 if (pkt.dts != AV_NOPTS_VALUE)
3045 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3046 if (pkt.pts != AV_NOPTS_VALUE)
3047 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3049 if (pkt.pts != AV_NOPTS_VALUE)
3050 pkt.pts *= ist->ts_scale;
3051 if (pkt.dts != AV_NOPTS_VALUE)
3052 pkt.dts *= ist->ts_scale;
3055 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3056 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3057 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3058 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3059 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3060 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3061 input_files[ist->file_index].ts_offset);
3064 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3065 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3066 int64_t delta = pkt_dts - ist->next_dts;
3067 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3068 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3069 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3070 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3071 pkt_dts+1<ist->pts){
3072 input_files[ist->file_index].ts_offset -= delta;
3073 av_log(NULL, AV_LOG_DEBUG,
3074 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3075 delta, input_files[ist->file_index].ts_offset);
3076 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3077 if (pkt.pts != AV_NOPTS_VALUE)
3078 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3081 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3082 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3083 pkt_dts+1<ist->pts){
3084 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3085 pkt.dts = AV_NOPTS_VALUE;
3087 if (pkt.pts != AV_NOPTS_VALUE){
3088 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3089 delta = pkt_pts - ist->next_dts;
3090 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3091 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3092 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3093 pkt.pts = AV_NOPTS_VALUE;
3099 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3100 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3102 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3103 ist->file_index, ist->st->index);
3106 av_free_packet(&pkt);
3111 av_free_packet(&pkt);
3113 /* dump report by using the output first video and audio streams */
3114 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3117 /* at the end of stream, we must flush the decoder buffers */
3118 for (i = 0; i < nb_input_streams; i++) {
3119 ist = &input_streams[i];
3120 if (ist->decoding_needed) {
3121 output_packet(ist, output_streams, nb_output_streams, NULL);
3124 flush_encoders(output_streams, nb_output_streams);
3128 /* write the trailer if needed and close file */
3129 for (i = 0; i < nb_output_files; i++) {
3130 os = output_files[i].ctx;
3131 av_write_trailer(os);
3134 /* dump report by using the first video and audio streams */
3135 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3137 /* close each encoder */
3138 for (i = 0; i < nb_output_streams; i++) {
3139 ost = &output_streams[i];
3140 if (ost->encoding_needed) {
3141 av_freep(&ost->st->codec->stats_in);
3142 avcodec_close(ost->st->codec);
3145 avfilter_graph_free(&ost->graph);
3149 /* close each decoder */
3150 for (i = 0; i < nb_input_streams; i++) {
3151 ist = &input_streams[i];
3152 if (ist->decoding_needed) {
3153 avcodec_close(ist->st->codec);
3161 av_freep(&no_packet);
3163 if (output_streams) {
3164 for (i = 0; i < nb_output_streams; i++) {
3165 ost = &output_streams[i];
3167 if (ost->stream_copy)
3168 av_freep(&ost->st->codec->extradata);
3170 fclose(ost->logfile);
3171 ost->logfile = NULL;
3173 av_fifo_free(ost->fifo); /* works even if fifo is not
3174 initialized but set to zero */
3175 av_freep(&ost->st->codec->subtitle_header);
3176 av_free(ost->resample_frame.data[0]);
3177 av_free(ost->forced_kf_pts);
3178 if (ost->video_resample)
3179 sws_freeContext(ost->img_resample_ctx);
3180 swr_free(&ost->swr);
3181 av_dict_free(&ost->opts);
3188 static int opt_frame_crop(const char *opt, const char *arg)
3190 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3191 return AVERROR(EINVAL);
3194 static int opt_pad(const char *opt, const char *arg)
3196 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3200 static int opt_video_channel(const char *opt, const char *arg)
3202 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3203 return opt_default("channel", arg);
3206 static int opt_video_standard(const char *opt, const char *arg)
3208 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3209 return opt_default("standard", arg);
3212 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3214 audio_codec_name = arg;
3215 return parse_option(o, "codec:a", arg, options);
3218 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3220 video_codec_name = arg;
3221 return parse_option(o, "codec:v", arg, options);
3224 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3226 subtitle_codec_name = arg;
3227 return parse_option(o, "codec:s", arg, options);
3230 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3232 return parse_option(o, "codec:d", arg, options);
3235 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3237 StreamMap *m = NULL;
3238 int i, negative = 0, file_idx;
3239 int sync_file_idx = -1, sync_stream_idx = 0;
3247 map = av_strdup(arg);
3249 /* parse sync stream first, just pick first matching stream */
3250 if (sync = strchr(map, ',')) {
3252 sync_file_idx = strtol(sync + 1, &sync, 0);
3253 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3254 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3259 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3260 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3261 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3262 sync_stream_idx = i;
3265 if (i == input_files[sync_file_idx].nb_streams) {
3266 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3267 "match any streams.\n", arg);
3273 file_idx = strtol(map, &p, 0);
3274 if (file_idx >= nb_input_files || file_idx < 0) {
3275 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3279 /* disable some already defined maps */
3280 for (i = 0; i < o->nb_stream_maps; i++) {
3281 m = &o->stream_maps[i];
3282 if (file_idx == m->file_index &&
3283 check_stream_specifier(input_files[m->file_index].ctx,
3284 input_files[m->file_index].ctx->streams[m->stream_index],
3285 *p == ':' ? p + 1 : p) > 0)
3289 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3290 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3291 *p == ':' ? p + 1 : p) <= 0)
3293 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3294 &o->nb_stream_maps, o->nb_stream_maps + 1);
3295 m = &o->stream_maps[o->nb_stream_maps - 1];
3297 m->file_index = file_idx;
3298 m->stream_index = i;
3300 if (sync_file_idx >= 0) {
3301 m->sync_file_index = sync_file_idx;
3302 m->sync_stream_index = sync_stream_idx;
3304 m->sync_file_index = file_idx;
3305 m->sync_stream_index = i;
3310 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3318 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3320 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3321 &o->nb_attachments, o->nb_attachments + 1);
3322 o->attachments[o->nb_attachments - 1] = arg;
3326 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3332 o->audio_channel_maps =
3333 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3334 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3335 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3337 /* muted channel syntax */
3338 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3339 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3340 m->file_idx = m->stream_idx = -1;
3342 m->ofile_idx = m->ostream_idx = -1;
3347 n = sscanf(arg, "%d.%d.%d:%d.%d",
3348 &m->file_idx, &m->stream_idx, &m->channel_idx,
3349 &m->ofile_idx, &m->ostream_idx);
3351 if (n != 3 && n != 5) {
3352 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3353 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3357 if (n != 5) // only file.stream.channel specified
3358 m->ofile_idx = m->ostream_idx = -1;
3361 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3362 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3366 if (m->stream_idx < 0 ||
3367 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3368 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3369 m->file_idx, m->stream_idx);
3372 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3373 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3374 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3375 m->file_idx, m->stream_idx);
3378 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3379 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3380 m->file_idx, m->stream_idx, m->channel_idx);
3387 * Parse a metadata specifier in arg.
3388 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3389 * @param index for type c/p, chapter/program index is written here
3390 * @param stream_spec for type s, the stream specifier is written here
3392 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3400 if (*(++arg) && *arg != ':') {
3401 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3404 *stream_spec = *arg == ':' ? arg + 1 : "";
3408 if (*(++arg) == ':')
3409 *index = strtol(++arg, NULL, 0);
3412 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3419 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3421 AVDictionary **meta_in = NULL;
3422 AVDictionary **meta_out = NULL;
3424 char type_in, type_out;
3425 const char *istream_spec = NULL, *ostream_spec = NULL;
3426 int idx_in = 0, idx_out = 0;
3428 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3429 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3432 if (type_out == 'g' || !*outspec)
3433 o->metadata_global_manual = 1;
3434 if (type_out == 's' || !*outspec)
3435 o->metadata_streams_manual = 1;
3436 if (type_out == 'c' || !*outspec)
3437 o->metadata_chapters_manual = 1;
3441 if (type_in == 'g' || type_out == 'g')
3442 o->metadata_global_manual = 1;
3443 if (type_in == 's' || type_out == 's')
3444 o->metadata_streams_manual = 1;
3445 if (type_in == 'c' || type_out == 'c')
3446 o->metadata_chapters_manual = 1;
3448 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3449 if ((index) < 0 || (index) >= (nb_elems)) {\
3450 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3455 #define SET_DICT(type, meta, context, index)\
3458 meta = &context->metadata;\
3461 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3462 meta = &context->chapters[index]->metadata;\
3465 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3466 meta = &context->programs[index]->metadata;\
3470 SET_DICT(type_in, meta_in, ic, idx_in);
3471 SET_DICT(type_out, meta_out, oc, idx_out);
3473 /* for input streams choose first matching stream */
3474 if (type_in == 's') {
3475 for (i = 0; i < ic->nb_streams; i++) {
3476 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3477 meta_in = &ic->streams[i]->metadata;
3483 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3488 if (type_out == 's') {
3489 for (i = 0; i < oc->nb_streams; i++) {
3490 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3491 meta_out = &oc->streams[i]->metadata;
3492 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3497 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3502 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3505 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3506 struct tm time = *gmtime((time_t*)&recording_timestamp);
3507 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3508 parse_option(o, "metadata", buf, options);
3510 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3511 "tag instead.\n", opt);
3515 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3517 const char *codec_string = encoder ? "encoder" : "decoder";
3521 avcodec_find_encoder_by_name(name) :
3522 avcodec_find_decoder_by_name(name);
3524 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3527 if (codec->type != type) {
3528 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3534 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3536 char *codec_name = NULL;
3538 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3540 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3541 st->codec->codec_id = codec->id;
3544 return avcodec_find_decoder(st->codec->codec_id);
3548 * Add all the streams from the given input file to the global
3549 * list of input streams.
3551 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3554 char *next, *codec_tag = NULL;
3556 for (i = 0; i < ic->nb_streams; i++) {
3557 AVStream *st = ic->streams[i];
3558 AVCodecContext *dec = st->codec;
3561 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3562 ist = &input_streams[nb_input_streams - 1];
3564 ist->file_index = nb_input_files;
3566 st->discard = AVDISCARD_ALL;
3567 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3569 ist->ts_scale = 1.0;
3570 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3572 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3574 uint32_t tag = strtol(codec_tag, &next, 0);
3576 tag = AV_RL32(codec_tag);
3577 st->codec->codec_tag = tag;
3580 ist->dec = choose_decoder(o, ic, st);
3582 switch (dec->codec_type) {
3583 case AVMEDIA_TYPE_VIDEO:
3585 ist->dec = avcodec_find_decoder(dec->codec_id);
3587 dec->flags |= CODEC_FLAG_EMU_EDGE;
3591 case AVMEDIA_TYPE_AUDIO:
3592 case AVMEDIA_TYPE_DATA:
3593 case AVMEDIA_TYPE_SUBTITLE:
3595 ist->dec = avcodec_find_decoder(dec->codec_id);
3597 case AVMEDIA_TYPE_ATTACHMENT:
3598 case AVMEDIA_TYPE_UNKNOWN:
3606 static void assert_file_overwrite(const char *filename)
3608 if ((!file_overwrite || no_file_overwrite) &&
3609 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3610 av_strstart(filename, "file:", NULL))) {
3611 if (avio_check(filename, 0) == 0) {
3612 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3613 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3616 signal(SIGINT, SIG_DFL);
3617 if (!read_yesno()) {
3618 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3624 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3631 static void dump_attachment(AVStream *st, const char *filename)
3634 AVIOContext *out = NULL;
3635 AVDictionaryEntry *e;
3637 if (!st->codec->extradata_size) {
3638 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3639 nb_input_files - 1, st->index);
3642 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3643 filename = e->value;
3645 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3646 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3650 assert_file_overwrite(filename);
3652 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3653 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3658 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3663 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3665 AVFormatContext *ic;
3666 AVInputFormat *file_iformat = NULL;
3670 AVDictionary **opts;
3671 int orig_nb_streams; // number of streams before avformat_find_stream_info
3674 if (!(file_iformat = av_find_input_format(o->format))) {
3675 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3680 if (!strcmp(filename, "-"))
3683 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3684 !strcmp(filename, "/dev/stdin");
3686 /* get default parameters from command line */
3687 ic = avformat_alloc_context();
3689 print_error(filename, AVERROR(ENOMEM));
3692 if (o->nb_audio_sample_rate) {
3693 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3694 av_dict_set(&format_opts, "sample_rate", buf, 0);
3696 if (o->nb_audio_channels) {
3697 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3698 av_dict_set(&format_opts, "channels", buf, 0);
3700 if (o->nb_frame_rates) {
3701 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3703 if (o->nb_frame_sizes) {
3704 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3706 if (o->nb_frame_pix_fmts)
3707 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3709 ic->video_codec_id = video_codec_name ?
3710 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3711 ic->audio_codec_id = audio_codec_name ?
3712 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3713 ic->subtitle_codec_id= subtitle_codec_name ?
3714 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3715 ic->flags |= AVFMT_FLAG_NONBLOCK;
3716 ic->interrupt_callback = int_cb;
3718 /* open the input file with generic avformat function */
3719 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3721 print_error(filename, err);
3724 assert_avoptions(format_opts);
3726 /* apply forced codec ids */
3727 for (i = 0; i < ic->nb_streams; i++)
3728 choose_decoder(o, ic, ic->streams[i]);
3730 /* Set AVCodecContext options for avformat_find_stream_info */
3731 opts = setup_find_stream_info_opts(ic, codec_opts);
3732 orig_nb_streams = ic->nb_streams;
3734 /* If not enough info to get the stream parameters, we decode the
3735 first frames to get it. (used in mpeg case for example) */
3736 ret = avformat_find_stream_info(ic, opts);
3738 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3739 avformat_close_input(&ic);
3743 timestamp = o->start_time;
3744 /* add the stream start time */
3745 if (ic->start_time != AV_NOPTS_VALUE)
3746 timestamp += ic->start_time;
3748 /* if seeking requested, we execute it */
3749 if (o->start_time != 0) {
3750 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3752 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3753 filename, (double)timestamp / AV_TIME_BASE);
3757 /* update the current parameters so that they match the one of the input stream */
3758 add_input_streams(o, ic);
3760 /* dump the file content */
3761 av_dump_format(ic, nb_input_files, filename, 0);
3763 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3764 input_files[nb_input_files - 1].ctx = ic;
3765 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3766 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3767 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3768 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3770 for (i = 0; i < o->nb_dump_attachment; i++) {
3773 for (j = 0; j < ic->nb_streams; j++) {
3774 AVStream *st = ic->streams[j];
3776 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3777 dump_attachment(st, o->dump_attachment[i].u.str);
3781 for (i = 0; i < orig_nb_streams; i++)
3782 av_dict_free(&opts[i]);
3785 reset_options(o, 1);
3789 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3794 for (p = kf; *p; p++)
3797 ost->forced_kf_count = n;
3798 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3799 if (!ost->forced_kf_pts) {
3800 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3803 for (i = 0; i < n; i++) {
3804 p = i ? strchr(p, ',') + 1 : kf;
3805 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3809 static uint8_t *get_line(AVIOContext *s)
3815 if (avio_open_dyn_buf(&line) < 0) {
3816 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3820 while ((c = avio_r8(s)) && c != '\n')
3823 avio_close_dyn_buf(line, &buf);
3828 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3831 char filename[1000];
3832 const char *base[3] = { getenv("AVCONV_DATADIR"),
3837 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3841 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3842 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3843 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3846 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3847 i != 1 ? "" : "/.avconv", preset_name);
3848 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3854 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3856 char *codec_name = NULL;
3858 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3860 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3861 NULL, ost->st->codec->codec_type);
3862 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3863 } else if (!strcmp(codec_name, "copy"))
3864 ost->stream_copy = 1;
3866 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3867 ost->st->codec->codec_id = ost->enc->id;
3871 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3874 AVStream *st = avformat_new_stream(oc, NULL);
3875 int idx = oc->nb_streams - 1, ret = 0;
3876 char *bsf = NULL, *next, *codec_tag = NULL;
3877 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3879 char *buf = NULL, *arg = NULL, *preset = NULL;
3880 AVIOContext *s = NULL;
3883 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3887 if (oc->nb_streams - 1 < o->nb_streamid_map)
3888 st->id = o->streamid_map[oc->nb_streams - 1];
3890 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3891 nb_output_streams + 1);
3892 ost = &output_streams[nb_output_streams - 1];
3893 ost->file_index = nb_output_files;
3896 st->codec->codec_type = type;
3897 choose_encoder(o, oc, ost);
3899 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3902 avcodec_get_context_defaults3(st->codec, ost->enc);
3903 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3905 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3906 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3909 if (!buf[0] || buf[0] == '#') {
3913 if (!(arg = strchr(buf, '='))) {
3914 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3918 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3920 } while (!s->eof_reached);
3924 av_log(NULL, AV_LOG_FATAL,
3925 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3926 preset, ost->file_index, ost->index);
3930 ost->max_frames = INT64_MAX;
3931 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3933 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3935 if (next = strchr(bsf, ','))
3937 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3938 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3942 bsfc_prev->next = bsfc;
3944 ost->bitstream_filters = bsfc;
3950 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3952 uint32_t tag = strtol(codec_tag, &next, 0);
3954 tag = AV_RL32(codec_tag);
3955 st->codec->codec_tag = tag;
3958 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3959 if (qscale >= 0 || same_quant) {
3960 st->codec->flags |= CODEC_FLAG_QSCALE;
3961 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3964 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3965 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3967 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3971 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3974 const char *p = str;
3981 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3988 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3992 AVCodecContext *video_enc;
3994 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3996 video_enc = st->codec;
3998 if (!ost->stream_copy) {
3999 const char *p = NULL;
4000 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
4001 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
4002 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
4005 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
4006 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
4007 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
4011 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
4012 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
4013 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
4017 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
4018 if (frame_aspect_ratio) {
4020 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
4021 q.num <= 0 || q.den <= 0) {
4022 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
4025 ost->frame_aspect_ratio = av_q2d(q);
4028 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4029 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4030 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4031 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4034 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4037 video_enc->gop_size = 0;
4038 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4040 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4041 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4044 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4046 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4048 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4049 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4052 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4055 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4056 for (i = 0; p; i++) {
4058 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4060 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4063 /* FIXME realloc failure */
4064 video_enc->rc_override =
4065 av_realloc(video_enc->rc_override,
4066 sizeof(RcOverride) * (i + 1));
4067 video_enc->rc_override[i].start_frame = start;
4068 video_enc->rc_override[i].end_frame = end;
4070 video_enc->rc_override[i].qscale = q;
4071 video_enc->rc_override[i].quality_factor = 1.0;
4074 video_enc->rc_override[i].qscale = 0;
4075 video_enc->rc_override[i].quality_factor = -q/100.0;
4080 video_enc->rc_override_count = i;
4081 if (!video_enc->rc_initial_buffer_occupancy)
4082 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4083 video_enc->intra_dc_precision = intra_dc_precision - 8;
4086 video_enc->flags|= CODEC_FLAG_PSNR;
4091 video_enc->flags |= CODEC_FLAG_PASS1;
4094 video_enc->flags |= CODEC_FLAG_PASS2;
4098 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4099 if (forced_key_frames)
4100 parse_forced_key_frames(forced_key_frames, ost);
4102 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4104 ost->top_field_first = -1;
4105 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4108 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4110 ost->avfilter = av_strdup(filters);
4113 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4119 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4124 AVCodecContext *audio_enc;
4126 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4129 audio_enc = st->codec;
4130 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4132 if (!ost->stream_copy) {
4133 char *sample_fmt = NULL;
4135 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4137 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4139 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4140 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4144 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4146 ost->rematrix_volume=1.0;
4147 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4150 /* check for channel mapping for this audio stream */
4151 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4152 AudioChannelMap *map = &o->audio_channel_maps[n];
4153 InputStream *ist = &input_streams[ost->source_index];
4154 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4155 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4156 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4157 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4158 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4160 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4161 ost->file_index, ost->st->index);
4168 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4172 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4173 if (!ost->stream_copy) {
4174 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4181 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4183 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4184 ost->stream_copy = 1;
4188 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4192 AVCodecContext *subtitle_enc;
4194 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4196 subtitle_enc = st->codec;
4198 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4203 /* arg format is "output-stream-index:streamid-value". */
4204 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4210 av_strlcpy(idx_str, arg, sizeof(idx_str));
4211 p = strchr(idx_str, ':');
4213 av_log(NULL, AV_LOG_FATAL,
4214 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4219 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4220 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4221 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4225 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4227 AVFormatContext *is = ifile->ctx;
4228 AVFormatContext *os = ofile->ctx;
4231 for (i = 0; i < is->nb_chapters; i++) {
4232 AVChapter *in_ch = is->chapters[i], *out_ch;
4233 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4234 AV_TIME_BASE_Q, in_ch->time_base);
4235 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4236 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4239 if (in_ch->end < ts_off)
4241 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4244 out_ch = av_mallocz(sizeof(AVChapter));
4246 return AVERROR(ENOMEM);
4248 out_ch->id = in_ch->id;
4249 out_ch->time_base = in_ch->time_base;
4250 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4251 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4254 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4257 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4259 return AVERROR(ENOMEM);
4260 os->chapters[os->nb_chapters - 1] = out_ch;
4265 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4268 AVFormatContext *ic = avformat_alloc_context();
4270 ic->interrupt_callback = int_cb;
4271 err = avformat_open_input(&ic, filename, NULL, NULL);
4274 /* copy stream format */
4275 for(i=0;i<ic->nb_streams;i++) {
4279 AVCodecContext *avctx;
4281 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4282 ost = new_output_stream(o, s, codec->type);
4287 // FIXME: a more elegant solution is needed
4288 memcpy(st, ic->streams[i], sizeof(AVStream));
4290 st->info = av_malloc(sizeof(*st->info));
4291 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4293 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4295 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4296 choose_sample_fmt(st, codec);
4297 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4298 choose_pixel_fmt(st, codec);
4301 avformat_close_input(&ic);
4305 static void opt_output_file(void *optctx, const char *filename)
4307 OptionsContext *o = optctx;
4308 AVFormatContext *oc;
4310 AVOutputFormat *file_oformat;
4314 if (!strcmp(filename, "-"))
4317 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4319 print_error(filename, err);
4322 file_oformat= oc->oformat;
4323 oc->interrupt_callback = int_cb;
4325 if (!strcmp(file_oformat->name, "ffm") &&
4326 av_strstart(filename, "http:", NULL)) {
4328 /* special case for files sent to ffserver: we get the stream
4329 parameters from ffserver */
4330 int err = read_ffserver_streams(o, oc, filename);
4332 print_error(filename, err);
4335 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4336 ost = &output_streams[j];
4337 for (i = 0; i < nb_input_streams; i++) {
4338 ist = &input_streams[i];
4339 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4341 ost->source_index= i;
4343 ist->st->discard = AVDISCARD_NONE;
4348 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));
4352 } else if (!o->nb_stream_maps) {
4353 /* pick the "best" stream of each type */
4354 #define NEW_STREAM(type, index)\
4356 ost = new_ ## type ## _stream(o, oc);\
4357 ost->source_index = index;\
4358 ost->sync_ist = &input_streams[index];\
4359 input_streams[index].discard = 0;\
4360 input_streams[index].st->discard = AVDISCARD_NONE;\
4363 /* video: highest resolution */
4364 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4365 int area = 0, idx = -1;
4366 for (i = 0; i < nb_input_streams; i++) {
4367 ist = &input_streams[i];
4368 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4369 ist->st->codec->width * ist->st->codec->height > area) {
4370 area = ist->st->codec->width * ist->st->codec->height;
4374 NEW_STREAM(video, idx);
4377 /* audio: most channels */
4378 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4379 int channels = 0, idx = -1;
4380 for (i = 0; i < nb_input_streams; i++) {
4381 ist = &input_streams[i];
4382 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4383 ist->st->codec->channels > channels) {
4384 channels = ist->st->codec->channels;
4388 NEW_STREAM(audio, idx);
4391 /* subtitles: pick first */
4392 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4393 for (i = 0; i < nb_input_streams; i++)
4394 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4395 NEW_STREAM(subtitle, i);
4399 /* do something with data? */
4401 for (i = 0; i < o->nb_stream_maps; i++) {
4402 StreamMap *map = &o->stream_maps[i];
4407 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4408 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4410 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4412 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4414 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4417 switch (ist->st->codec->codec_type) {
4418 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4419 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4420 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4421 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4422 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4424 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4425 map->file_index, map->stream_index);
4429 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4430 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4431 map->sync_stream_index];
4433 ist->st->discard = AVDISCARD_NONE;
4438 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4439 AVDictionaryEntry *e;
4440 ost = &output_streams[i];
4442 if ( ost->stream_copy
4443 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4444 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4445 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4449 /* handle attached files */
4450 for (i = 0; i < o->nb_attachments; i++) {
4452 uint8_t *attachment;
4456 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4457 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4461 if ((len = avio_size(pb)) <= 0) {
4462 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4466 if (!(attachment = av_malloc(len))) {
4467 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4471 avio_read(pb, attachment, len);
4473 ost = new_attachment_stream(o, oc);
4474 ost->stream_copy = 0;
4475 ost->source_index = -1;
4476 ost->attachment_filename = o->attachments[i];
4477 ost->st->codec->extradata = attachment;
4478 ost->st->codec->extradata_size = len;
4480 p = strrchr(o->attachments[i], '/');
4481 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4485 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4486 output_files[nb_output_files - 1].ctx = oc;
4487 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4488 output_files[nb_output_files - 1].recording_time = o->recording_time;
4489 if (o->recording_time != INT64_MAX)
4490 oc->duration = o->recording_time;
4491 output_files[nb_output_files - 1].start_time = o->start_time;
4492 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4493 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4495 /* check filename in case of an image number is expected */
4496 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4497 if (!av_filename_number_test(oc->filename)) {
4498 print_error(oc->filename, AVERROR(EINVAL));
4503 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4504 /* test if it already exists to avoid losing precious files */
4505 assert_file_overwrite(filename);
4508 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4509 &oc->interrupt_callback,
4510 &output_files[nb_output_files - 1].opts)) < 0) {
4511 print_error(filename, err);
4516 if (o->mux_preload) {
4518 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4519 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4521 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4524 for (i = 0; i < o->nb_metadata_map; i++) {
4526 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4528 if (in_file_index >= nb_input_files) {
4529 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4532 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index].ctx : NULL, o);
4536 if (o->chapters_input_file >= nb_input_files) {
4537 if (o->chapters_input_file == INT_MAX) {
4538 /* copy chapters from the first input file that has them*/
4539 o->chapters_input_file = -1;
4540 for (i = 0; i < nb_input_files; i++)
4541 if (input_files[i].ctx->nb_chapters) {
4542 o->chapters_input_file = i;
4546 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4547 o->chapters_input_file);
4551 if (o->chapters_input_file >= 0)
4552 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4553 !o->metadata_chapters_manual);
4555 /* copy global metadata by default */
4556 if (!o->metadata_global_manual && nb_input_files){
4557 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4558 AV_DICT_DONT_OVERWRITE);
4559 if(o->recording_time != INT64_MAX)
4560 av_dict_set(&oc->metadata, "duration", NULL, 0);
4562 if (!o->metadata_streams_manual)
4563 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4565 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4567 ist = &input_streams[output_streams[i].source_index];
4568 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4571 /* process manually set metadata */
4572 for (i = 0; i < o->nb_metadata; i++) {
4575 const char *stream_spec;
4576 int index = 0, j, ret = 0;
4578 val = strchr(o->metadata[i].u.str, '=');
4580 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4581 o->metadata[i].u.str);
4586 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4588 for (j = 0; j < oc->nb_streams; j++) {
4589 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4590 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4594 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4602 if (index < 0 || index >= oc->nb_chapters) {
4603 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4606 m = &oc->chapters[index]->metadata;
4609 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4612 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4616 reset_options(o, 0);
4619 /* same option as mencoder */
4620 static int opt_pass(const char *opt, const char *arg)
4622 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4626 static int64_t getutime(void)
4629 struct rusage rusage;
4631 getrusage(RUSAGE_SELF, &rusage);
4632 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4633 #elif HAVE_GETPROCESSTIMES
4635 FILETIME c, e, k, u;
4636 proc = GetCurrentProcess();
4637 GetProcessTimes(proc, &c, &e, &k, &u);
4638 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4640 return av_gettime();
4644 static int64_t getmaxrss(void)
4646 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4647 struct rusage rusage;
4648 getrusage(RUSAGE_SELF, &rusage);
4649 return (int64_t)rusage.ru_maxrss * 1024;
4650 #elif HAVE_GETPROCESSMEMORYINFO
4652 PROCESS_MEMORY_COUNTERS memcounters;
4653 proc = GetCurrentProcess();
4654 memcounters.cb = sizeof(memcounters);
4655 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4656 return memcounters.PeakPagefileUsage;
4662 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4664 return parse_option(o, "q:a", arg, options);
4667 static void show_usage(void)
4669 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4670 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4671 av_log(NULL, AV_LOG_INFO, "\n");
4674 static int opt_help(const char *opt, const char *arg)
4676 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4677 av_log_set_callback(log_callback_help);
4679 show_help_options(options, "Main options:\n",
4680 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4681 show_help_options(options, "\nAdvanced options:\n",
4682 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4684 show_help_options(options, "\nVideo options:\n",
4685 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4687 show_help_options(options, "\nAdvanced Video options:\n",
4688 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4689 OPT_VIDEO | OPT_EXPERT);
4690 show_help_options(options, "\nAudio options:\n",
4691 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4693 show_help_options(options, "\nAdvanced Audio options:\n",
4694 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4695 OPT_AUDIO | OPT_EXPERT);
4696 show_help_options(options, "\nSubtitle options:\n",
4697 OPT_SUBTITLE | OPT_GRAB,
4699 show_help_options(options, "\nAudio/Video grab options:\n",
4703 show_help_children(avcodec_get_class(), flags);
4704 show_help_children(avformat_get_class(), flags);
4705 show_help_children(sws_get_class(), flags);
4710 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4712 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4713 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4715 if (!strncmp(arg, "pal-", 4)) {
4718 } else if (!strncmp(arg, "ntsc-", 5)) {
4721 } else if (!strncmp(arg, "film-", 5)) {
4725 /* Try to determine PAL/NTSC by peeking in the input files */
4726 if (nb_input_files) {
4728 for (j = 0; j < nb_input_files; j++) {
4729 for (i = 0; i < input_files[j].nb_streams; i++) {
4730 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4731 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4733 fr = c->time_base.den * 1000 / c->time_base.num;
4737 } else if ((fr == 29970) || (fr == 23976)) {
4742 if (norm != UNKNOWN)
4746 if (norm != UNKNOWN)
4747 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4750 if (norm == UNKNOWN) {
4751 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4752 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4753 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4757 if (!strcmp(arg, "vcd")) {
4758 opt_video_codec(o, "c:v", "mpeg1video");
4759 opt_audio_codec(o, "c:a", "mp2");
4760 parse_option(o, "f", "vcd", options);
4762 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4763 parse_option(o, "r", frame_rates[norm], options);
4764 opt_default("g", norm == PAL ? "15" : "18");
4766 opt_default("b:v", "1150000");
4767 opt_default("maxrate", "1150000");
4768 opt_default("minrate", "1150000");
4769 opt_default("bufsize", "327680"); // 40*1024*8;
4771 opt_default("b:a", "224000");
4772 parse_option(o, "ar", "44100", options);
4773 parse_option(o, "ac", "2", options);
4775 opt_default("packetsize", "2324");
4776 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4778 /* We have to offset the PTS, so that it is consistent with the SCR.
4779 SCR starts at 36000, but the first two packs contain only padding
4780 and the first pack from the other stream, respectively, may also have
4781 been written before.
4782 So the real data starts at SCR 36000+3*1200. */
4783 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4784 } else if (!strcmp(arg, "svcd")) {
4786 opt_video_codec(o, "c:v", "mpeg2video");
4787 opt_audio_codec(o, "c:a", "mp2");
4788 parse_option(o, "f", "svcd", options);
4790 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4791 parse_option(o, "r", frame_rates[norm], options);
4792 parse_option(o, "pix_fmt", "yuv420p", options);
4793 opt_default("g", norm == PAL ? "15" : "18");
4795 opt_default("b:v", "2040000");
4796 opt_default("maxrate", "2516000");
4797 opt_default("minrate", "0"); // 1145000;
4798 opt_default("bufsize", "1835008"); // 224*1024*8;
4799 opt_default("flags", "+scan_offset");
4802 opt_default("b:a", "224000");
4803 parse_option(o, "ar", "44100", options);
4805 opt_default("packetsize", "2324");
4807 } else if (!strcmp(arg, "dvd")) {
4809 opt_video_codec(o, "c:v", "mpeg2video");
4810 opt_audio_codec(o, "c:a", "ac3");
4811 parse_option(o, "f", "dvd", options);
4813 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4814 parse_option(o, "r", frame_rates[norm], options);
4815 parse_option(o, "pix_fmt", "yuv420p", options);
4816 opt_default("g", norm == PAL ? "15" : "18");
4818 opt_default("b:v", "6000000");
4819 opt_default("maxrate", "9000000");
4820 opt_default("minrate", "0"); // 1500000;
4821 opt_default("bufsize", "1835008"); // 224*1024*8;
4823 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4824 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4826 opt_default("b:a", "448000");
4827 parse_option(o, "ar", "48000", options);
4829 } else if (!strncmp(arg, "dv", 2)) {
4831 parse_option(o, "f", "dv", options);
4833 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4834 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4835 norm == PAL ? "yuv420p" : "yuv411p", options);
4836 parse_option(o, "r", frame_rates[norm], options);
4838 parse_option(o, "ar", "48000", options);
4839 parse_option(o, "ac", "2", options);
4842 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4843 return AVERROR(EINVAL);
4848 static int opt_vstats_file(const char *opt, const char *arg)
4850 av_free (vstats_filename);
4851 vstats_filename = av_strdup (arg);
4855 static int opt_vstats(const char *opt, const char *arg)
4858 time_t today2 = time(NULL);
4859 struct tm *today = localtime(&today2);
4861 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4863 return opt_vstats_file(opt, filename);
4866 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4868 return parse_option(o, "frames:v", arg, options);
4871 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4873 return parse_option(o, "frames:a", arg, options);
4876 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4878 return parse_option(o, "frames:d", arg, options);
4881 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4884 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4885 const char *codec_name = *opt == 'v' ? video_codec_name :
4886 *opt == 'a' ? audio_codec_name :
4887 subtitle_codec_name;
4889 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4890 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4891 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4893 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4898 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4899 if(line[0] == '#' && !e)
4901 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4903 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4906 if(!strcmp(tmp, "acodec")){
4907 opt_audio_codec(o, tmp, tmp2);
4908 }else if(!strcmp(tmp, "vcodec")){
4909 opt_video_codec(o, tmp, tmp2);
4910 }else if(!strcmp(tmp, "scodec")){
4911 opt_subtitle_codec(o, tmp, tmp2);
4912 }else if(!strcmp(tmp, "dcodec")){
4913 opt_data_codec(o, tmp, tmp2);
4914 }else if(opt_default(tmp, tmp2) < 0){
4915 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4925 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4929 static int opt_passlogfile(const char *opt, const char *arg)
4931 pass_logfilename_prefix = arg;
4932 #if CONFIG_LIBX264_ENCODER
4933 return opt_default(opt, arg);
4939 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4941 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4942 int ret = parse_option(o, s, arg, options);
4947 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4949 if(!strcmp(opt, "b")){
4950 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4951 return parse_option(o, "b:v", arg, options);
4953 return opt_default(opt, arg);
4956 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4960 if(!strcmp(opt, "qscale")){
4961 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4962 return parse_option(o, "q:v", arg, options);
4964 s = av_asprintf("q%s", opt + 6);
4965 ret = parse_option(o, s, arg, options);
4970 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4972 return parse_option(o, "filter:v", arg, options);
4975 static int opt_vsync(const char *opt, const char *arg)
4977 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4978 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4979 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4980 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4982 if (video_sync_method == VSYNC_AUTO)
4983 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4987 static int opt_deinterlace(const char *opt, const char *arg)
4989 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4994 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4996 int idx = locate_option(argc, argv, options, "cpuflags");
4997 if (idx && argv[idx + 1])
4998 opt_cpuflags("cpuflags", argv[idx + 1]);
5001 #define OFFSET(x) offsetof(OptionsContext, x)
5002 static const OptionDef options[] = {
5004 #include "cmdutils_common_opts.h"
5005 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
5006 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
5007 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
5008 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
5009 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5010 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5011 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
5012 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
5013 { "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]" },
5014 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
5015 "outfile[,metadata]:infile[,metadata]" },
5016 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
5017 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
5018 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
5019 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
5020 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
5021 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
5022 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
5023 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
5024 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
5025 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5026 "add timings for benchmarking" },
5027 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5028 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5029 "dump each input packet" },
5030 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5031 "when dumping packets, also dump the payload" },
5032 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5033 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5034 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5035 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5036 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5037 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5038 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5039 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5040 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5041 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5042 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5043 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5044 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5045 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5046 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5047 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5049 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5051 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5052 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5053 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5054 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5057 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5058 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5059 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5060 { "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" },
5061 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5062 { "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" },
5063 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5064 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5065 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5066 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5067 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5068 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5069 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5070 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5071 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5072 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
5073 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5074 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5075 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5076 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5077 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5078 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5079 "use same quantizer as source (implies VBR)" },
5080 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5081 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5082 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5083 "this option is deprecated, use the yadif filter instead" },
5084 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5085 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5086 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5088 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5090 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5091 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5092 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5093 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5094 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5095 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5096 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5097 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5098 { "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" },
5099 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5102 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5103 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5104 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5105 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5106 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5107 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5108 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5109 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5110 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5111 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5113 /* subtitle options */
5114 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5115 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5116 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5119 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5120 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5121 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5124 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5125 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5127 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5128 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5129 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5131 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5132 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5133 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5134 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5135 /* data codec support */
5136 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5137 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5139 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5143 int main(int argc, char **argv)
5145 OptionsContext o = { 0 };
5148 reset_options(&o, 0);
5150 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5151 parse_loglevel(argc, argv, options);
5153 if(argc>1 && !strcmp(argv[1], "-d")){
5155 av_log_set_callback(log_callback_null);
5160 avcodec_register_all();
5162 avdevice_register_all();
5165 avfilter_register_all();
5168 avformat_network_init();
5170 show_banner(argc, argv, options);
5174 parse_cpuflags(argc, argv, options);
5177 parse_options(&o, argc, argv, options, opt_output_file);
5179 if (nb_output_files <= 0 && nb_input_files == 0) {
5181 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5185 /* file converter / grab */
5186 if (nb_output_files <= 0) {
5187 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5191 if (nb_input_files == 0) {
5192 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5197 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5199 ti = getutime() - ti;
5201 int maxrss = getmaxrss() / 1024;
5202 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);