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 "libavformat/os_support.h"
53 #include "libswresample/swresample.h"
55 #include "libavformat/ffm.h" // not public API
58 # include "libavfilter/avcodec.h"
59 # include "libavfilter/avfilter.h"
60 # include "libavfilter/avfiltergraph.h"
61 # include "libavfilter/buffersink.h"
62 # include "libavfilter/buffersrc.h"
63 # include "libavfilter/vsrc_buffer.h"
66 #if HAVE_SYS_RESOURCE_H
67 #include <sys/types.h>
69 #include <sys/resource.h>
70 #elif HAVE_GETPROCESSTIMES
73 #if HAVE_GETPROCESSMEMORYINFO
79 #include <sys/select.h>
84 #include <sys/ioctl.h>
94 #include "libavutil/avassert.h"
97 #define VSYNC_PASSTHROUGH 0
100 #define VSYNC_DROP 0xff
102 const char program_name[] = "ffmpeg";
103 const int program_birth_year = 2000;
105 /* select an input stream for an output stream */
106 typedef struct StreamMap {
107 int disabled; /** 1 is this mapping is disabled by a negative map */
111 int sync_stream_index;
115 int file_idx, stream_idx, channel_idx; // input
116 int ofile_idx, ostream_idx; // output
120 * select an input file for an output file
122 typedef struct MetadataMap {
123 int file; ///< file index
124 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
125 int index; ///< stream/chapter/program number
128 static const OptionDef options[];
130 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
132 static int frame_bits_per_raw_sample = 0;
133 static int video_discard = 0;
134 static int same_quant = 0;
135 static int do_deinterlace = 0;
136 static int intra_dc_precision = 8;
137 static int qp_hist = 0;
138 static int intra_only = 0;
139 static const char *video_codec_name = NULL;
140 static const char *audio_codec_name = NULL;
141 static const char *subtitle_codec_name = NULL;
143 static int file_overwrite = 0;
144 static int no_file_overwrite = 0;
145 static int do_benchmark = 0;
146 static int do_hex_dump = 0;
147 static int do_pkt_dump = 0;
148 static int do_psnr = 0;
149 static int do_pass = 0;
150 static const char *pass_logfilename_prefix;
151 static int video_sync_method = VSYNC_AUTO;
152 static int audio_sync_method = 0;
153 static float audio_drift_threshold = 0.1;
154 static int copy_ts = 0;
155 static int copy_tb = -1;
156 static int opt_shortest = 0;
157 static char *vstats_filename;
158 static FILE *vstats_file;
160 static int audio_volume = 256;
162 static int exit_on_error = 0;
163 static int using_stdin = 0;
164 static int run_as_daemon = 0;
165 static volatile int received_nb_signals = 0;
166 static int64_t video_size = 0;
167 static int64_t audio_size = 0;
168 static int64_t extra_size = 0;
169 static int nb_frames_dup = 0;
170 static int nb_frames_drop = 0;
171 static int input_sync;
173 static float dts_delta_threshold = 10;
175 static int print_stats = 1;
177 static uint8_t *audio_buf;
178 static unsigned int allocated_audio_buf_size;
180 static uint8_t *input_tmp= NULL;
182 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
184 typedef struct FrameBuffer {
190 enum PixelFormat pix_fmt;
193 struct InputStream *ist;
194 struct FrameBuffer *next;
197 typedef struct InputStream {
200 int discard; /* true if stream data should be discarded */
201 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
203 AVFrame *decoded_frame;
204 AVFrame *filtered_frame;
206 int64_t start; /* time when read started */
207 int64_t next_pts; /* synthetic pts for cases where pkt.pts
209 int64_t pts; /* current pts */
211 int is_start; /* is 1 at the start and after a discontinuity */
212 int showed_multi_packet_warning;
215 /* a pool of free buffers for decoded data */
216 FrameBuffer *buffer_pool;
220 typedef struct InputFile {
221 AVFormatContext *ctx;
222 int eof_reached; /* true if eof reached */
223 int ist_index; /* index of first stream in input_streams */
224 int buffer_size; /* current total buffer size */
226 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
227 from ctx.nb_streams if new streams appear during av_read_frame() */
231 typedef struct OutputStream {
232 int file_index; /* file index */
233 int index; /* stream index in the output file */
234 int source_index; /* InputStream index */
235 AVStream *st; /* stream in the output file */
236 int encoding_needed; /* true if encoding needed for this stream */
238 /* input pts and corresponding output pts
240 struct InputStream *sync_ist; /* input stream to sync against */
241 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
242 AVBitStreamFilterContext *bitstream_filters;
245 AVFrame *output_frame;
249 AVFrame resample_frame; /* temporary frame for image resampling */
250 struct SwsContext *img_resample_ctx; /* for image resampling */
253 int resample_pix_fmt;
254 AVRational frame_rate;
258 float frame_aspect_ratio;
260 /* forced key frames */
261 int64_t *forced_kf_pts;
267 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
268 int audio_channels_mapped; ///< number of channels in audio_channels_map
269 int resample_sample_fmt;
270 int resample_channels;
271 int resample_sample_rate;
272 float rematrix_volume;
273 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
276 struct SwrContext *swr;
279 AVFilterContext *output_video_filter;
280 AVFilterContext *input_video_filter;
281 AVFilterBufferRef *picref;
283 AVFilterGraph *graph;
288 int is_past_recording_time;
290 const char *attachment_filename;
291 int copy_initial_nonkeyframes;
297 /* init terminal so that we can grab keys */
298 static struct termios oldtty;
299 static int restore_tty;
302 typedef struct OutputFile {
303 AVFormatContext *ctx;
305 int ost_index; /* index of the first stream in output_streams */
306 int64_t recording_time; /* desired length of the resulting file in microseconds */
307 int64_t start_time; /* start time in microseconds */
308 uint64_t limit_filesize;
311 static InputStream *input_streams = NULL;
312 static int nb_input_streams = 0;
313 static InputFile *input_files = NULL;
314 static int nb_input_files = 0;
316 static OutputStream *output_streams = NULL;
317 static int nb_output_streams = 0;
318 static OutputFile *output_files = NULL;
319 static int nb_output_files = 0;
321 typedef struct OptionsContext {
322 /* input/output options */
326 SpecifierOpt *codec_names;
328 SpecifierOpt *audio_channels;
329 int nb_audio_channels;
330 SpecifierOpt *audio_sample_rate;
331 int nb_audio_sample_rate;
332 SpecifierOpt *rematrix_volume;
333 int nb_rematrix_volume;
334 SpecifierOpt *frame_rates;
336 SpecifierOpt *frame_sizes;
338 SpecifierOpt *frame_pix_fmts;
339 int nb_frame_pix_fmts;
342 int64_t input_ts_offset;
345 SpecifierOpt *ts_scale;
347 SpecifierOpt *dump_attachment;
348 int nb_dump_attachment;
351 StreamMap *stream_maps;
353 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
354 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
355 /* first item specifies output metadata, second is input */
356 MetadataMap (*meta_data_maps)[2];
357 int nb_meta_data_maps;
358 int metadata_global_manual;
359 int metadata_streams_manual;
360 int metadata_chapters_manual;
361 const char **attachments;
364 int chapters_input_file;
366 int64_t recording_time;
367 uint64_t limit_filesize;
373 int subtitle_disable;
376 /* indexed by output file stream index */
380 SpecifierOpt *metadata;
382 SpecifierOpt *max_frames;
384 SpecifierOpt *bitstream_filters;
385 int nb_bitstream_filters;
386 SpecifierOpt *codec_tags;
388 SpecifierOpt *sample_fmts;
390 SpecifierOpt *qscale;
392 SpecifierOpt *forced_key_frames;
393 int nb_forced_key_frames;
394 SpecifierOpt *force_fps;
396 SpecifierOpt *frame_aspect_ratios;
397 int nb_frame_aspect_ratios;
398 SpecifierOpt *rc_overrides;
400 SpecifierOpt *intra_matrices;
401 int nb_intra_matrices;
402 SpecifierOpt *inter_matrices;
403 int nb_inter_matrices;
404 SpecifierOpt *top_field_first;
405 int nb_top_field_first;
406 SpecifierOpt *metadata_map;
408 SpecifierOpt *presets;
410 SpecifierOpt *copy_initial_nonkeyframes;
411 int nb_copy_initial_nonkeyframes;
413 SpecifierOpt *filters;
418 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
421 for (i = 0; i < o->nb_ ## name; i++) {\
422 char *spec = o->name[i].specifier;\
423 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
424 outvar = o->name[i].u.type;\
430 static void reset_options(OptionsContext *o, int is_input)
432 const OptionDef *po = options;
433 OptionsContext bak= *o;
435 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
437 void *dst = (uint8_t*)o + po->u.off;
439 if (po->flags & OPT_SPEC) {
440 SpecifierOpt **so = dst;
441 int i, *count = (int*)(so + 1);
442 for (i = 0; i < *count; i++) {
443 av_freep(&(*so)[i].specifier);
444 if (po->flags & OPT_STRING)
445 av_freep(&(*so)[i].u.str);
449 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
454 av_freep(&o->stream_maps);
455 av_freep(&o->audio_channel_maps);
456 av_freep(&o->meta_data_maps);
457 av_freep(&o->streamid_map);
459 memset(o, 0, sizeof(*o));
461 if(is_input) o->recording_time = bak.recording_time;
462 else o->recording_time = INT64_MAX;
463 o->mux_max_delay = 0.7;
464 o->limit_filesize = UINT64_MAX;
465 o->chapters_input_file = INT_MAX;
471 static int alloc_buffer(AVCodecContext *s, InputStream *ist, FrameBuffer **pbuf)
473 FrameBuffer *buf = av_mallocz(sizeof(*buf));
475 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
476 int h_chroma_shift, v_chroma_shift;
477 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
478 int w = s->width, h = s->height;
481 return AVERROR(ENOMEM);
483 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
488 avcodec_align_dimensions(s, &w, &h);
489 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
490 s->pix_fmt, 32)) < 0) {
494 /* XXX this shouldn't be needed, but some tests break without this line
495 * those decoders are buggy and need to be fixed.
496 * the following tests fail:
497 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
499 memset(buf->base[0], 128, ret);
501 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
502 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
503 const int h_shift = i==0 ? 0 : h_chroma_shift;
504 const int v_shift = i==0 ? 0 : v_chroma_shift;
505 if (s->flags & CODEC_FLAG_EMU_EDGE)
506 buf->data[i] = buf->base[i];
508 buf->data[i] = buf->base[i] +
509 FFALIGN((buf->linesize[i]*edge >> v_shift) +
510 (pixel_size*edge >> h_shift), 32);
514 buf->pix_fmt = s->pix_fmt;
521 static void free_buffer_pool(InputStream *ist)
523 FrameBuffer *buf = ist->buffer_pool;
525 ist->buffer_pool = buf->next;
526 av_freep(&buf->base[0]);
528 buf = ist->buffer_pool;
532 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
534 av_assert0(buf->refcount);
536 if (!buf->refcount) {
537 buf->next = ist->buffer_pool;
538 ist->buffer_pool = buf;
542 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
544 InputStream *ist = s->opaque;
548 if(av_image_check_size(s->width, s->height, 0, s))
551 if (!ist->buffer_pool && (ret = alloc_buffer(s, ist, &ist->buffer_pool)) < 0)
554 buf = ist->buffer_pool;
555 ist->buffer_pool = buf->next;
557 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
558 av_freep(&buf->base[0]);
561 if ((ret = alloc_buffer(s, ist, &buf)) < 0)
567 frame->type = FF_BUFFER_TYPE_USER;
568 frame->extended_data = frame->data;
569 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
571 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
572 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
573 frame->data[i] = buf->data[i];
574 frame->linesize[i] = buf->linesize[i];
580 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
582 InputStream *ist = s->opaque;
583 FrameBuffer *buf = frame->opaque;
586 if(frame->type!=FF_BUFFER_TYPE_USER)
587 return avcodec_default_release_buffer(s, frame);
589 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
590 frame->data[i] = NULL;
592 unref_buffer(ist, buf);
595 static void filter_release_buffer(AVFilterBuffer *fb)
597 FrameBuffer *buf = fb->priv;
599 unref_buffer(buf->ist, buf);
604 static int configure_video_filters(InputStream *ist, OutputStream *ost)
606 AVFilterContext *last_filter, *filter;
607 /** filter graph containing all filters including input & output */
608 AVCodecContext *codec = ost->st->codec;
609 AVCodecContext *icodec = ist->st->codec;
610 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
611 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
612 AVRational sample_aspect_ratio;
616 ost->graph = avfilter_graph_alloc();
618 if (ist->st->sample_aspect_ratio.num) {
619 sample_aspect_ratio = ist->st->sample_aspect_ratio;
621 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
623 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
624 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
625 sample_aspect_ratio.num, sample_aspect_ratio.den);
627 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
628 "src", args, NULL, ost->graph);
632 #if FF_API_OLD_VSINK_API
633 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
634 "out", NULL, pix_fmts, ost->graph);
636 buffersink_params->pixel_fmts = pix_fmts;
637 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
638 "out", NULL, buffersink_params, ost->graph);
640 av_freep(&buffersink_params);
644 last_filter = ost->input_video_filter;
646 if (codec->width != icodec->width || codec->height != icodec->height) {
647 snprintf(args, 255, "%d:%d:flags=0x%X",
650 (unsigned)ost->sws_flags);
651 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
652 NULL, args, NULL, ost->graph)) < 0)
654 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
656 last_filter = filter;
659 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
660 ost->graph->scale_sws_opts = av_strdup(args);
663 AVFilterInOut *outputs = avfilter_inout_alloc();
664 AVFilterInOut *inputs = avfilter_inout_alloc();
666 outputs->name = av_strdup("in");
667 outputs->filter_ctx = last_filter;
668 outputs->pad_idx = 0;
669 outputs->next = NULL;
671 inputs->name = av_strdup("out");
672 inputs->filter_ctx = ost->output_video_filter;
676 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
678 av_freep(&ost->avfilter);
680 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
684 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
687 codec->width = ost->output_video_filter->inputs[0]->w;
688 codec->height = ost->output_video_filter->inputs[0]->h;
689 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
690 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
691 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
692 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
696 #endif /* CONFIG_AVFILTER */
698 static void term_exit(void)
700 av_log(NULL, AV_LOG_QUIET, "%s", "");
703 tcsetattr (0, TCSANOW, &oldtty);
707 static volatile int received_sigterm = 0;
709 static void sigterm_handler(int sig)
711 received_sigterm = sig;
712 received_nb_signals++;
714 if(received_nb_signals > 3)
718 static void term_init(void)
724 if (tcgetattr (0, &tty) == 0) {
729 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
730 |INLCR|IGNCR|ICRNL|IXON);
731 tty.c_oflag |= OPOST;
732 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
733 tty.c_cflag &= ~(CSIZE|PARENB);
738 tcsetattr (0, TCSANOW, &tty);
740 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
743 avformat_network_deinit();
745 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
746 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
748 signal(SIGXCPU, sigterm_handler);
752 /* read a key without blocking */
753 static int read_key(void)
765 n = select(1, &rfds, NULL, NULL, &tv);
774 # if HAVE_PEEKNAMEDPIPE
776 static HANDLE input_handle;
779 input_handle = GetStdHandle(STD_INPUT_HANDLE);
780 is_pipe = !GetConsoleMode(input_handle, &dw);
783 if (stdin->_cnt > 0) {
788 /* When running under a GUI, you will end here. */
789 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
806 static int decode_interrupt_cb(void *ctx)
808 return received_nb_signals > 1;
811 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
813 void av_noreturn exit_program(int ret)
818 for (i = 0; i < nb_output_files; i++) {
819 AVFormatContext *s = output_files[i].ctx;
820 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
822 avformat_free_context(s);
823 av_dict_free(&output_files[i].opts);
825 for (i = 0; i < nb_output_streams; i++) {
826 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
828 AVBitStreamFilterContext *next = bsfc->next;
829 av_bitstream_filter_close(bsfc);
832 output_streams[i].bitstream_filters = NULL;
834 if (output_streams[i].output_frame) {
835 AVFrame *frame = output_streams[i].output_frame;
836 if (frame->extended_data != frame->data)
837 av_freep(&frame->extended_data);
841 for (i = 0; i < nb_input_files; i++) {
842 avformat_close_input(&input_files[i].ctx);
844 for (i = 0; i < nb_input_streams; i++) {
845 av_freep(&input_streams[i].decoded_frame);
846 av_freep(&input_streams[i].filtered_frame);
847 av_dict_free(&input_streams[i].opts);
848 free_buffer_pool(&input_streams[i]);
853 av_free(vstats_filename);
855 av_freep(&input_streams);
856 av_freep(&input_files);
857 av_freep(&output_streams);
858 av_freep(&output_files);
862 allocated_audio_buf_size = 0;
867 avformat_network_deinit();
869 av_freep(&input_tmp);
871 if (received_sigterm) {
872 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
873 (int) received_sigterm);
877 exit(ret); /* not all OS-es handle main() return value */
880 static void assert_avoptions(AVDictionary *m)
882 AVDictionaryEntry *t;
883 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
884 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
889 static void assert_codec_experimental(AVCodecContext *c, int encoder)
891 const char *codec_string = encoder ? "encoder" : "decoder";
893 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
894 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
895 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
896 "results.\nAdd '-strict experimental' if you want to use it.\n",
897 codec_string, c->codec->name);
898 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
899 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
900 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
901 codec_string, codec->name);
906 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
908 if (codec && codec->sample_fmts) {
909 const enum AVSampleFormat *p = codec->sample_fmts;
910 for (; *p != -1; p++) {
911 if (*p == st->codec->sample_fmt)
915 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
916 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
917 if(av_get_sample_fmt_name(st->codec->sample_fmt))
918 av_log(NULL, AV_LOG_WARNING,
919 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
920 av_get_sample_fmt_name(st->codec->sample_fmt),
922 av_get_sample_fmt_name(codec->sample_fmts[0]));
923 st->codec->sample_fmt = codec->sample_fmts[0];
928 static void choose_sample_rate(AVStream *st, AVCodec *codec)
930 if (codec && codec->supported_samplerates) {
931 const int *p = codec->supported_samplerates;
933 int best_dist = INT_MAX;
935 int dist = abs(st->codec->sample_rate - *p);
936 if (dist < best_dist) {
942 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
944 st->codec->sample_rate = best;
948 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
950 if (codec && codec->pix_fmts) {
951 const enum PixelFormat *p = codec->pix_fmts;
952 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
953 enum PixelFormat best= PIX_FMT_NONE;
954 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
955 if (st->codec->codec_id == CODEC_ID_MJPEG) {
956 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
957 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
958 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
959 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
962 for (; *p != PIX_FMT_NONE; p++) {
963 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
964 if (*p == st->codec->pix_fmt)
967 if (*p == PIX_FMT_NONE) {
968 if (st->codec->pix_fmt != PIX_FMT_NONE)
969 av_log(NULL, AV_LOG_WARNING,
970 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
971 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
973 av_pix_fmt_descriptors[best].name);
974 st->codec->pix_fmt = best;
979 static double get_sync_ipts(const OutputStream *ost)
981 const InputStream *ist = ost->sync_ist;
982 OutputFile *of = &output_files[ost->file_index];
983 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
986 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
988 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
989 AVCodecContext *avctx = ost->st->codec;
993 * Audio encoders may split the packets -- #frames in != #packets out.
994 * But there is no reordering, so we can limit the number of output packets
995 * by simply dropping them here.
996 * Counting encoded video frames needs to be done separately because of
997 * reordering, see do_video_out()
999 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1000 if (ost->frame_number >= ost->max_frames)
1002 ost->frame_number++;
1006 AVPacket new_pkt = *pkt;
1007 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1008 &new_pkt.data, &new_pkt.size,
1009 pkt->data, pkt->size,
1010 pkt->flags & AV_PKT_FLAG_KEY);
1012 av_free_packet(pkt);
1013 new_pkt.destruct = av_destruct_packet;
1015 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1016 bsfc->filter->name, pkt->stream_index,
1017 avctx->codec ? avctx->codec->name : "copy");
1027 ret = av_interleaved_write_frame(s, pkt);
1029 print_error("av_interleaved_write_frame()", ret);
1034 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1036 int fill_char = 0x00;
1037 if (sample_fmt == AV_SAMPLE_FMT_U8)
1039 memset(buf, fill_char, size);
1042 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1043 const uint8_t *buf, int buf_size)
1045 AVCodecContext *enc = ost->st->codec;
1046 AVFrame *frame = NULL;
1048 int ret, got_packet;
1050 av_init_packet(&pkt);
1055 if (!ost->output_frame) {
1056 ost->output_frame = avcodec_alloc_frame();
1057 if (!ost->output_frame) {
1058 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1062 frame = ost->output_frame;
1063 if (frame->extended_data != frame->data)
1064 av_freep(&frame->extended_data);
1065 avcodec_get_frame_defaults(frame);
1067 frame->nb_samples = buf_size /
1068 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1069 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1070 buf, buf_size, 1)) < 0) {
1071 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1077 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1078 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1085 pkt.stream_index = ost->index;
1086 if (pkt.pts != AV_NOPTS_VALUE)
1087 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1088 if (pkt.duration > 0)
1089 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1091 write_frame(s, &pkt, ost);
1093 audio_size += pkt.size;
1095 av_free_packet(&pkt);
1099 ost->sync_opts += frame->nb_samples;
1104 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1105 InputStream *ist, AVFrame *decoded_frame)
1108 int64_t audio_buf_size, size_out;
1110 int frame_bytes, resample_changed;
1111 AVCodecContext *enc = ost->st->codec;
1112 AVCodecContext *dec = ist->st->codec;
1113 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1114 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1115 uint8_t *buf = decoded_frame->data[0];
1116 int size = decoded_frame->nb_samples * dec->channels * isize;
1117 int64_t allocated_for_size = size;
1120 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1121 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1122 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1123 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1124 audio_buf_size *= osize * enc->channels;
1126 if (audio_buf_size > INT_MAX) {
1127 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1131 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1133 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1137 if (enc->channels != dec->channels
1138 || enc->sample_fmt != dec->sample_fmt
1139 || enc->sample_rate!= dec->sample_rate
1141 ost->audio_resample = 1;
1143 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1144 ost->resample_channels != dec->channels ||
1145 ost->resample_sample_rate != dec->sample_rate;
1147 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1148 if (resample_changed) {
1149 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",
1150 ist->file_index, ist->st->index,
1151 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1152 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1153 ost->resample_sample_fmt = dec->sample_fmt;
1154 ost->resample_channels = dec->channels;
1155 ost->resample_sample_rate = dec->sample_rate;
1156 swr_free(&ost->swr);
1158 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1159 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1160 ost->resample_sample_fmt == enc->sample_fmt &&
1161 ost->resample_channels == enc->channels &&
1162 ost->resample_sample_rate == enc->sample_rate) {
1164 ost->audio_resample = 0;
1166 ost->swr = swr_alloc_set_opts(ost->swr,
1167 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1168 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1170 if (ost->audio_channels_mapped)
1171 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1172 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1173 if (ost->audio_channels_mapped) {
1174 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1175 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1177 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1178 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1181 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1182 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1185 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1186 if(ost->swr && swr_init(ost->swr) < 0){
1187 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1188 swr_free(&ost->swr);
1192 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1193 dec->channels, dec->sample_rate,
1194 enc->channels, enc->sample_rate);
1200 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1202 if (audio_sync_method) {
1203 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1204 av_fifo_size(ost->fifo) / (enc->channels * osize);
1205 int idelta = delta * dec->sample_rate / enc->sample_rate;
1206 int byte_delta = idelta * isize * dec->channels;
1208 // FIXME resample delay
1209 if (fabs(delta) > 50) {
1210 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1211 if (byte_delta < 0) {
1212 byte_delta = FFMAX(byte_delta, -size);
1215 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1216 -byte_delta / (isize * dec->channels));
1221 input_tmp = av_realloc(input_tmp, byte_delta + size);
1223 if (byte_delta > allocated_for_size - size) {
1224 allocated_for_size = byte_delta + (int64_t)size;
1229 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1230 memcpy(input_tmp + byte_delta, buf, size);
1233 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1235 } else if (audio_sync_method > 1) {
1236 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1237 av_assert0(ost->audio_resample);
1238 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1239 delta, comp, enc->sample_rate);
1240 // 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));
1241 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1245 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1246 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1248 if (ost->audio_resample || ost->audio_channels_mapped) {
1250 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1251 (const uint8_t*[]){buf }, size / (dec->channels * isize));
1252 size_out = size_out * enc->channels * osize;
1258 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1260 /* now encode as many frames as possible */
1261 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1262 /* output resampled raw samples */
1263 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1264 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1267 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1269 frame_bytes = enc->frame_size * osize * enc->channels;
1271 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1272 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1273 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1276 encode_audio_frame(s, ost, buftmp, size_out);
1280 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1282 AVCodecContext *dec;
1283 AVPicture *picture2;
1284 AVPicture picture_tmp;
1287 dec = ist->st->codec;
1289 /* deinterlace : must be done before any resize */
1290 if (do_deinterlace) {
1293 /* create temporary picture */
1294 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1295 buf = av_malloc(size);
1299 picture2 = &picture_tmp;
1300 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1302 if (avpicture_deinterlace(picture2, picture,
1303 dec->pix_fmt, dec->width, dec->height) < 0) {
1304 /* if error, do not deinterlace */
1305 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1314 if (picture != picture2)
1315 *picture = *picture2;
1319 static void do_subtitle_out(AVFormatContext *s,
1325 static uint8_t *subtitle_out = NULL;
1326 int subtitle_out_max_size = 1024 * 1024;
1327 int subtitle_out_size, nb, i;
1328 AVCodecContext *enc;
1331 if (pts == AV_NOPTS_VALUE) {
1332 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1338 enc = ost->st->codec;
1340 if (!subtitle_out) {
1341 subtitle_out = av_malloc(subtitle_out_max_size);
1344 /* Note: DVB subtitle need one packet to draw them and one other
1345 packet to clear them */
1346 /* XXX: signal it in the codec context ? */
1347 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1352 for (i = 0; i < nb; i++) {
1353 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1354 // start_display_time is required to be 0
1355 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1356 sub->end_display_time -= sub->start_display_time;
1357 sub->start_display_time = 0;
1358 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1359 subtitle_out_max_size, sub);
1360 if (subtitle_out_size < 0) {
1361 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1365 av_init_packet(&pkt);
1366 pkt.stream_index = ost->index;
1367 pkt.data = subtitle_out;
1368 pkt.size = subtitle_out_size;
1369 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1370 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1371 /* XXX: the pts correction is handled here. Maybe handling
1372 it in the codec would be better */
1374 pkt.pts += 90 * sub->start_display_time;
1376 pkt.pts += 90 * sub->end_display_time;
1378 write_frame(s, &pkt, ost);
1382 static int bit_buffer_size = 1024 * 256;
1383 static uint8_t *bit_buffer = NULL;
1385 static void do_video_resample(OutputStream *ost,
1387 AVFrame *in_picture,
1388 AVFrame **out_picture)
1391 *out_picture = in_picture;
1393 AVCodecContext *dec = ist->st->codec;
1394 AVCodecContext *enc = ost->st->codec;
1395 int resample_changed = ost->resample_width != in_picture->width ||
1396 ost->resample_height != in_picture->height ||
1397 ost->resample_pix_fmt != in_picture->format;
1399 *out_picture = in_picture;
1400 if (resample_changed) {
1401 av_log(NULL, AV_LOG_INFO,
1402 "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",
1403 ist->file_index, ist->st->index,
1404 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1405 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1406 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1407 ost->resample_width = in_picture->width;
1408 ost->resample_height = in_picture->height;
1409 ost->resample_pix_fmt = in_picture->format;
1412 ost->video_resample = in_picture->width != enc->width ||
1413 in_picture->height != enc->height ||
1414 in_picture->format != enc->pix_fmt;
1416 if (ost->video_resample) {
1417 *out_picture = &ost->resample_frame;
1418 if (!ost->img_resample_ctx || resample_changed) {
1419 /* initialize the destination picture */
1420 if (!ost->resample_frame.data[0]) {
1421 avcodec_get_frame_defaults(&ost->resample_frame);
1422 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1423 enc->width, enc->height)) {
1424 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1428 /* initialize a new scaler context */
1429 sws_freeContext(ost->img_resample_ctx);
1430 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1431 enc->width, enc->height, enc->pix_fmt,
1432 ost->sws_flags, NULL, NULL, NULL);
1433 if (ost->img_resample_ctx == NULL) {
1434 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1438 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1439 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1445 static void do_video_out(AVFormatContext *s,
1448 AVFrame *in_picture,
1449 int *frame_size, float quality)
1451 int nb_frames, i, ret, format_video_sync;
1452 AVFrame *final_picture;
1453 AVCodecContext *enc;
1455 double duration = 0;
1457 enc = ost->st->codec;
1459 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1460 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1461 if(ist->st->avg_frame_rate.num)
1462 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1464 duration /= av_q2d(enc->time_base);
1467 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1469 /* by default, we output a single frame */
1474 format_video_sync = video_sync_method;
1475 if (format_video_sync == VSYNC_AUTO)
1476 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1478 if (format_video_sync != VSYNC_PASSTHROUGH && format_video_sync != VSYNC_DROP) {
1479 double vdelta = sync_ipts - ost->sync_opts + duration;
1480 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1483 else if (format_video_sync == VSYNC_VFR) {
1484 if (vdelta <= -0.6) {
1486 } else if (vdelta > 0.6)
1487 ost->sync_opts = lrintf(sync_ipts);
1488 } else if (vdelta > 1.1)
1489 nb_frames = lrintf(vdelta);
1490 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1491 if (nb_frames == 0) {
1493 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1494 } else if (nb_frames > 1) {
1495 nb_frames_dup += nb_frames - 1;
1496 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1499 ost->sync_opts = lrintf(sync_ipts);
1501 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1505 do_video_resample(ost, ist, in_picture, &final_picture);
1507 /* duplicates frame if needed */
1508 for (i = 0; i < nb_frames; i++) {
1510 av_init_packet(&pkt);
1511 pkt.stream_index = ost->index;
1513 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1514 enc->codec->id == CODEC_ID_RAWVIDEO) {
1515 /* raw pictures are written as AVPicture structure to
1516 avoid any copies. We support temporarily the older
1518 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1519 enc->coded_frame->top_field_first = in_picture->top_field_first;
1520 pkt.data = (uint8_t *)final_picture;
1521 pkt.size = sizeof(AVPicture);
1522 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1523 pkt.flags |= AV_PKT_FLAG_KEY;
1525 write_frame(s, &pkt, ost);
1527 AVFrame big_picture;
1529 big_picture = *final_picture;
1530 /* better than nothing: use input picture interlaced
1532 big_picture.interlaced_frame = in_picture->interlaced_frame;
1533 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1534 if (ost->top_field_first == -1)
1535 big_picture.top_field_first = in_picture->top_field_first;
1537 big_picture.top_field_first = !!ost->top_field_first;
1540 /* handles same_quant here. This is not correct because it may
1541 not be a global option */
1542 big_picture.quality = quality;
1543 if (!enc->me_threshold)
1544 big_picture.pict_type = 0;
1545 // big_picture.pts = AV_NOPTS_VALUE;
1546 big_picture.pts = ost->sync_opts;
1547 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1548 // av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1549 if (ost->forced_kf_index < ost->forced_kf_count &&
1550 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1551 big_picture.pict_type = AV_PICTURE_TYPE_I;
1552 ost->forced_kf_index++;
1554 ret = avcodec_encode_video(enc,
1555 bit_buffer, bit_buffer_size,
1558 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1563 pkt.data = bit_buffer;
1565 if (!(enc->codec->capabilities & CODEC_CAP_DELAY))
1566 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1567 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1568 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1569 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1570 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1571 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1573 if (enc->coded_frame->key_frame)
1574 pkt.flags |= AV_PKT_FLAG_KEY;
1575 if (format_video_sync == VSYNC_DROP)
1576 pkt.pts = pkt.dts = AV_NOPTS_VALUE;
1577 write_frame(s, &pkt, ost);
1580 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1581 // enc->frame_number-1, ret, enc->pict_type);
1582 /* if two pass, output log */
1583 if (ost->logfile && enc->stats_out) {
1584 fprintf(ost->logfile, "%s", enc->stats_out);
1590 * For video, number of frames in == number of packets out.
1591 * But there may be reordering, so we can't throw away frames on encoder
1592 * flush, we need to limit them here, before they go into encoder.
1594 ost->frame_number++;
1598 static double psnr(double d)
1600 return -10.0 * log(d) / log(10.0);
1603 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1606 AVCodecContext *enc;
1608 double ti1, bitrate, avg_bitrate;
1610 /* this is executed just the first time do_video_stats is called */
1612 vstats_file = fopen(vstats_filename, "w");
1619 enc = ost->st->codec;
1620 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1621 frame_number = ost->frame_number;
1622 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1623 if (enc->flags&CODEC_FLAG_PSNR)
1624 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1626 fprintf(vstats_file,"f_size= %6d ", frame_size);
1627 /* compute pts value */
1628 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1632 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1633 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1634 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1635 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1636 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1640 static void print_report(OutputFile *output_files,
1641 OutputStream *ost_table, int nb_ostreams,
1642 int is_last_report, int64_t timer_start, int64_t cur_time)
1646 AVFormatContext *oc;
1648 AVCodecContext *enc;
1649 int frame_number, vid, i;
1651 int64_t pts = INT64_MAX;
1652 static int64_t last_time = -1;
1653 static int qp_histogram[52];
1654 int hours, mins, secs, us;
1656 if (!print_stats && !is_last_report)
1659 if (!is_last_report) {
1660 if (last_time == -1) {
1661 last_time = cur_time;
1664 if ((cur_time - last_time) < 500000)
1666 last_time = cur_time;
1670 oc = output_files[0].ctx;
1672 total_size = avio_size(oc->pb);
1673 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1674 total_size = avio_tell(oc->pb);
1681 for (i = 0; i < nb_ostreams; i++) {
1683 ost = &ost_table[i];
1684 enc = ost->st->codec;
1685 if (!ost->stream_copy && enc->coded_frame)
1686 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1687 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1688 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1690 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1691 float t = (cur_time-timer_start) / 1000000.0;
1693 frame_number = ost->frame_number;
1694 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1695 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1697 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1701 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1703 for (j = 0; j < 32; j++)
1704 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1706 if (enc->flags&CODEC_FLAG_PSNR) {
1708 double error, error_sum = 0;
1709 double scale, scale_sum = 0;
1710 char type[3] = { 'Y','U','V' };
1711 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1712 for (j = 0; j < 3; j++) {
1713 if (is_last_report) {
1714 error = enc->error[j];
1715 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1717 error = enc->coded_frame->error[j];
1718 scale = enc->width * enc->height * 255.0 * 255.0;
1724 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1726 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1730 /* compute min output value */
1731 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1732 ost->st->time_base, AV_TIME_BASE_Q));
1735 secs = pts / AV_TIME_BASE;
1736 us = pts % AV_TIME_BASE;
1742 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1744 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1745 "size=%8.0fkB time=", total_size / 1024.0);
1746 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1747 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1748 (100 * us) / AV_TIME_BASE);
1749 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1750 "bitrate=%6.1fkbits/s", bitrate);
1752 if (nb_frames_dup || nb_frames_drop)
1753 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1754 nb_frames_dup, nb_frames_drop);
1756 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1760 if (is_last_report) {
1761 int64_t raw= audio_size + video_size + extra_size;
1762 av_log(NULL, AV_LOG_INFO, "\n");
1763 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1764 video_size / 1024.0,
1765 audio_size / 1024.0,
1766 extra_size / 1024.0,
1767 100.0 * (total_size - raw) / raw
1769 if(video_size + audio_size + extra_size == 0){
1770 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1775 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1779 for (i = 0; i < nb_ostreams; i++) {
1780 OutputStream *ost = &ost_table[i];
1781 AVCodecContext *enc = ost->st->codec;
1782 AVFormatContext *os = output_files[ost->file_index].ctx;
1783 int stop_encoding = 0;
1785 if (!ost->encoding_needed)
1788 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1790 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1796 av_init_packet(&pkt);
1800 switch (ost->st->codec->codec_type) {
1801 case AVMEDIA_TYPE_AUDIO:
1802 fifo_bytes = av_fifo_size(ost->fifo);
1803 if (fifo_bytes > 0) {
1804 /* encode any samples remaining in fifo */
1805 int frame_bytes = fifo_bytes;
1807 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1809 /* pad last frame with silence if needed */
1810 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1811 frame_bytes = enc->frame_size * enc->channels *
1812 av_get_bytes_per_sample(enc->sample_fmt);
1813 if (allocated_audio_buf_size < frame_bytes)
1815 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1817 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1819 /* flush encoder with NULL frames until it is done
1820 returning packets */
1821 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1827 case AVMEDIA_TYPE_VIDEO:
1828 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1830 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1834 if (enc->coded_frame && enc->coded_frame->key_frame)
1835 pkt.flags |= AV_PKT_FLAG_KEY;
1836 if (ost->logfile && enc->stats_out) {
1837 fprintf(ost->logfile, "%s", enc->stats_out);
1843 pkt.stream_index = ost->index;
1844 pkt.data = bit_buffer;
1846 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1847 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1848 write_frame(os, &pkt, ost);
1860 * Check whether a packet from ist should be written into ost at this time
1862 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1864 OutputFile *of = &output_files[ost->file_index];
1865 int ist_index = ist - input_streams;
1867 if (ost->source_index != ist_index)
1870 if (of->start_time && ist->pts < of->start_time)
1873 if (of->recording_time != INT64_MAX &&
1874 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1875 (AVRational){ 1, 1000000 }) >= 0) {
1876 ost->is_past_recording_time = 1;
1883 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1885 OutputFile *of = &output_files[ost->file_index];
1886 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1890 av_init_packet(&opkt);
1892 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1893 !ost->copy_initial_nonkeyframes)
1896 /* force the input stream PTS */
1897 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1898 audio_size += pkt->size;
1899 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1900 video_size += pkt->size;
1904 opkt.stream_index = ost->index;
1905 if (pkt->pts != AV_NOPTS_VALUE)
1906 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1908 opkt.pts = AV_NOPTS_VALUE;
1910 if (pkt->dts == AV_NOPTS_VALUE)
1911 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1913 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1914 opkt.dts -= ost_tb_start_time;
1916 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1917 opkt.flags = pkt->flags;
1919 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1920 if ( ost->st->codec->codec_id != CODEC_ID_H264
1921 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1922 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1924 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1925 opkt.destruct = av_destruct_packet;
1927 opkt.data = pkt->data;
1928 opkt.size = pkt->size;
1930 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1931 /* store AVPicture in AVPacket, as expected by the output format */
1932 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1933 opkt.data = (uint8_t *)&pict;
1934 opkt.size = sizeof(AVPicture);
1935 opkt.flags |= AV_PKT_FLAG_KEY;
1938 write_frame(of->ctx, &opkt, ost);
1939 ost->st->codec->frame_number++;
1940 av_free_packet(&opkt);
1943 static void rate_emu_sleep(InputStream *ist)
1945 if (input_files[ist->file_index].rate_emu) {
1946 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1947 int64_t now = av_gettime() - ist->start;
1953 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1955 AVFrame *decoded_frame;
1956 AVCodecContext *avctx = ist->st->codec;
1957 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1960 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1961 return AVERROR(ENOMEM);
1963 avcodec_get_frame_defaults(ist->decoded_frame);
1964 decoded_frame = ist->decoded_frame;
1966 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1972 /* no audio frame */
1976 /* if the decoder provides a pts, use it instead of the last packet pts.
1977 the decoder could be delaying output by a packet or more. */
1978 if (decoded_frame->pts != AV_NOPTS_VALUE)
1979 ist->next_pts = decoded_frame->pts;
1981 /* increment next_pts to use for the case where the input stream does not
1982 have timestamps or there are multiple frames in the packet */
1983 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1986 // preprocess audio (volume)
1987 if (audio_volume != 256) {
1988 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1989 void *samples = decoded_frame->data[0];
1990 switch (avctx->sample_fmt) {
1991 case AV_SAMPLE_FMT_U8:
1993 uint8_t *volp = samples;
1994 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1995 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1996 *volp++ = av_clip_uint8(v);
2000 case AV_SAMPLE_FMT_S16:
2002 int16_t *volp = samples;
2003 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2004 int v = ((*volp) * audio_volume + 128) >> 8;
2005 *volp++ = av_clip_int16(v);
2009 case AV_SAMPLE_FMT_S32:
2011 int32_t *volp = samples;
2012 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2013 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2014 *volp++ = av_clipl_int32(v);
2018 case AV_SAMPLE_FMT_FLT:
2020 float *volp = samples;
2021 float scale = audio_volume / 256.f;
2022 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2027 case AV_SAMPLE_FMT_DBL:
2029 double *volp = samples;
2030 double scale = audio_volume / 256.;
2031 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2037 av_log(NULL, AV_LOG_FATAL,
2038 "Audio volume adjustment on sample format %s is not supported.\n",
2039 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2044 rate_emu_sleep(ist);
2046 for (i = 0; i < nb_output_streams; i++) {
2047 OutputStream *ost = &output_streams[i];
2049 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2051 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2057 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts, int64_t *pkt_dts)
2059 AVFrame *decoded_frame, *filtered_frame = NULL;
2060 void *buffer_to_free = NULL;
2064 int frame_available = 1;
2067 int64_t *best_effort_timestamp;
2068 AVRational *frame_sample_aspect;
2070 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2071 return AVERROR(ENOMEM);
2073 avcodec_get_frame_defaults(ist->decoded_frame);
2074 decoded_frame = ist->decoded_frame;
2075 pkt->pts = *pkt_pts;
2076 pkt->dts = *pkt_dts;
2077 *pkt_pts = AV_NOPTS_VALUE;
2079 if (pkt->duration) {
2080 duration = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2081 } else if(ist->st->codec->time_base.num != 0) {
2082 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2083 duration = ((int64_t)AV_TIME_BASE *
2084 ist->st->codec->time_base.num * ticks) /
2085 ist->st->codec->time_base.den;
2088 if(*pkt_dts != AV_NOPTS_VALUE && duration) {
2089 *pkt_dts += duration;
2091 *pkt_dts = AV_NOPTS_VALUE;
2093 ret = avcodec_decode_video2(ist->st->codec,
2094 decoded_frame, got_output, pkt);
2098 quality = same_quant ? decoded_frame->quality : 0;
2100 /* no picture yet */
2104 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2105 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2106 ist->next_pts = ist->pts = *best_effort_timestamp;
2108 ist->next_pts += duration;
2111 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2114 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2115 for(i=0;i<nb_output_streams;i++) {
2116 OutputStream *ost = ost = &output_streams[i];
2117 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2118 if (!frame_sample_aspect->num)
2119 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2120 decoded_frame->pts = ist->pts;
2121 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2122 FrameBuffer *buf = decoded_frame->opaque;
2123 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2124 decoded_frame->data, decoded_frame->linesize,
2125 AV_PERM_READ | AV_PERM_PRESERVE,
2126 ist->st->codec->width, ist->st->codec->height,
2127 ist->st->codec->pix_fmt);
2129 avfilter_copy_frame_props(fb, decoded_frame);
2131 fb->buf->priv = buf;
2132 fb->buf->free = filter_release_buffer;
2135 av_buffersrc_buffer(ost->input_video_filter, fb);
2137 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2138 av_log(0, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2145 rate_emu_sleep(ist);
2147 for (i = 0; i < nb_output_streams; i++) {
2148 OutputStream *ost = &output_streams[i];
2151 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2155 if (ost->input_video_filter) {
2156 frame_available = av_buffersink_poll_frame(ost->output_video_filter);
2158 while (frame_available) {
2159 if (ost->output_video_filter) {
2160 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2161 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2162 av_log(0, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2165 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2166 av_free(buffer_to_free);
2167 return AVERROR(ENOMEM);
2169 avcodec_get_frame_defaults(ist->filtered_frame);
2170 filtered_frame = ist->filtered_frame;
2171 *filtered_frame= *decoded_frame; //for me_threshold
2173 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2174 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2177 if (ost->picref->video && !ost->frame_aspect_ratio)
2178 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2180 filtered_frame = decoded_frame;
2183 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2184 same_quant ? quality : ost->st->codec->global_quality);
2185 if (vstats_filename && frame_size)
2186 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2189 frame_available = ost->output_video_filter && av_buffersink_poll_frame(ost->output_video_filter);
2190 avfilter_unref_buffer(ost->picref);
2195 av_free(buffer_to_free);
2199 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2201 AVSubtitle subtitle;
2202 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2203 &subtitle, got_output, pkt);
2209 rate_emu_sleep(ist);
2211 for (i = 0; i < nb_output_streams; i++) {
2212 OutputStream *ost = &output_streams[i];
2214 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2217 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2220 avsubtitle_free(&subtitle);
2224 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2225 static int output_packet(InputStream *ist,
2226 OutputStream *ost_table, int nb_ostreams,
2227 const AVPacket *pkt)
2231 int64_t pkt_dts = AV_NOPTS_VALUE;
2232 int64_t pkt_pts = AV_NOPTS_VALUE;
2236 if (ist->next_pts == AV_NOPTS_VALUE)
2237 ist->next_pts = ist->pts;
2241 av_init_packet(&avpkt);
2249 if (pkt->dts != AV_NOPTS_VALUE) {
2250 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2251 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2252 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2254 if(pkt->pts != AV_NOPTS_VALUE)
2255 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2257 // while we have more to decode or while the decoder did output something on EOF
2258 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2261 ist->pts = ist->next_pts;
2263 if (avpkt.size && avpkt.size != pkt->size) {
2264 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2265 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2266 ist->showed_multi_packet_warning = 1;
2269 switch (ist->st->codec->codec_type) {
2270 case AVMEDIA_TYPE_AUDIO:
2271 ret = transcode_audio (ist, &avpkt, &got_output);
2273 case AVMEDIA_TYPE_VIDEO:
2274 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts, &pkt_dts);
2276 case AVMEDIA_TYPE_SUBTITLE:
2277 ret = transcode_subtitles(ist, &avpkt, &got_output);
2287 avpkt.pts= AV_NOPTS_VALUE;
2289 // touch data and size only if not EOF
2291 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2301 /* handle stream copy */
2302 if (!ist->decoding_needed) {
2303 rate_emu_sleep(ist);
2304 ist->pts = ist->next_pts;
2305 switch (ist->st->codec->codec_type) {
2306 case AVMEDIA_TYPE_AUDIO:
2307 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2308 ist->st->codec->sample_rate;
2310 case AVMEDIA_TYPE_VIDEO:
2311 if (pkt->duration) {
2312 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2313 } else if(ist->st->codec->time_base.num != 0) {
2314 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2315 ist->next_pts += ((int64_t)AV_TIME_BASE *
2316 ist->st->codec->time_base.num * ticks) /
2317 ist->st->codec->time_base.den;
2322 for (i = 0; pkt && i < nb_ostreams; i++) {
2323 OutputStream *ost = &ost_table[i];
2325 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2328 do_streamcopy(ist, ost, pkt);
2334 static void print_sdp(OutputFile *output_files, int n)
2338 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2342 for (i = 0; i < n; i++)
2343 avc[i] = output_files[i].ctx;
2345 av_sdp_create(avc, n, sdp, sizeof(sdp));
2346 printf("SDP:\n%s\n", sdp);
2351 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2352 char *error, int error_len)
2354 InputStream *ist = &input_streams[ist_index];
2355 if (ist->decoding_needed) {
2356 AVCodec *codec = ist->dec;
2358 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2359 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2360 return AVERROR(EINVAL);
2363 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2364 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2365 ist->st->codec->get_buffer = codec_get_buffer;
2366 ist->st->codec->release_buffer = codec_release_buffer;
2367 ist->st->codec->opaque = ist;
2370 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2371 av_dict_set(&ist->opts, "threads", "auto", 0);
2372 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2373 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2374 ist->file_index, ist->st->index);
2375 return AVERROR(EINVAL);
2377 assert_codec_experimental(ist->st->codec, 0);
2378 assert_avoptions(ist->opts);
2381 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2382 ist->next_pts = AV_NOPTS_VALUE;
2388 static int transcode_init(OutputFile *output_files, int nb_output_files,
2389 InputFile *input_files, int nb_input_files)
2391 int ret = 0, i, j, k;
2392 AVFormatContext *oc;
2393 AVCodecContext *codec, *icodec;
2399 /* init framerate emulation */
2400 for (i = 0; i < nb_input_files; i++) {
2401 InputFile *ifile = &input_files[i];
2402 if (ifile->rate_emu)
2403 for (j = 0; j < ifile->nb_streams; j++)
2404 input_streams[j + ifile->ist_index].start = av_gettime();
2407 /* output stream init */
2408 for (i = 0; i < nb_output_files; i++) {
2409 oc = output_files[i].ctx;
2410 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2411 av_dump_format(oc, i, oc->filename, 1);
2412 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2413 return AVERROR(EINVAL);
2417 /* for each output stream, we compute the right encoding parameters */
2418 for (i = 0; i < nb_output_streams; i++) {
2419 ost = &output_streams[i];
2420 oc = output_files[ost->file_index].ctx;
2421 ist = &input_streams[ost->source_index];
2423 if (ost->attachment_filename)
2426 codec = ost->st->codec;
2427 icodec = ist->st->codec;
2429 ost->st->disposition = ist->st->disposition;
2430 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2431 codec->chroma_sample_location = icodec->chroma_sample_location;
2433 if (ost->stream_copy) {
2434 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2436 if (extra_size > INT_MAX) {
2437 return AVERROR(EINVAL);
2440 /* if stream_copy is selected, no need to decode or encode */
2441 codec->codec_id = icodec->codec_id;
2442 codec->codec_type = icodec->codec_type;
2444 if (!codec->codec_tag) {
2445 if (!oc->oformat->codec_tag ||
2446 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2447 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2448 codec->codec_tag = icodec->codec_tag;
2451 codec->bit_rate = icodec->bit_rate;
2452 codec->rc_max_rate = icodec->rc_max_rate;
2453 codec->rc_buffer_size = icodec->rc_buffer_size;
2454 codec->field_order = icodec->field_order;
2455 codec->extradata = av_mallocz(extra_size);
2456 if (!codec->extradata) {
2457 return AVERROR(ENOMEM);
2459 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2460 codec->extradata_size= icodec->extradata_size;
2462 codec->time_base = ist->st->time_base;
2463 if(!strcmp(oc->oformat->name, "avi")) {
2464 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2465 && av_q2d(ist->st->time_base) < 1.0/500
2467 codec->time_base = icodec->time_base;
2468 codec->time_base.num *= icodec->ticks_per_frame;
2469 codec->time_base.den *= 2;
2471 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2472 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2473 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2475 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2476 && av_q2d(ist->st->time_base) < 1.0/500
2478 codec->time_base = icodec->time_base;
2479 codec->time_base.num *= icodec->ticks_per_frame;
2482 av_reduce(&codec->time_base.num, &codec->time_base.den,
2483 codec->time_base.num, codec->time_base.den, INT_MAX);
2485 switch (codec->codec_type) {
2486 case AVMEDIA_TYPE_AUDIO:
2487 if (audio_volume != 256) {
2488 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2491 codec->channel_layout = icodec->channel_layout;
2492 codec->sample_rate = icodec->sample_rate;
2493 codec->channels = icodec->channels;
2494 codec->frame_size = icodec->frame_size;
2495 codec->audio_service_type = icodec->audio_service_type;
2496 codec->block_align = icodec->block_align;
2498 case AVMEDIA_TYPE_VIDEO:
2499 codec->pix_fmt = icodec->pix_fmt;
2500 codec->width = icodec->width;
2501 codec->height = icodec->height;
2502 codec->has_b_frames = icodec->has_b_frames;
2503 if (!codec->sample_aspect_ratio.num) {
2504 codec->sample_aspect_ratio =
2505 ost->st->sample_aspect_ratio =
2506 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2507 ist->st->codec->sample_aspect_ratio.num ?
2508 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2510 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2512 case AVMEDIA_TYPE_SUBTITLE:
2513 codec->width = icodec->width;
2514 codec->height = icodec->height;
2516 case AVMEDIA_TYPE_DATA:
2517 case AVMEDIA_TYPE_ATTACHMENT:
2524 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2526 ist->decoding_needed = 1;
2527 ost->encoding_needed = 1;
2529 switch (codec->codec_type) {
2530 case AVMEDIA_TYPE_AUDIO:
2531 ost->fifo = av_fifo_alloc(1024);
2533 return AVERROR(ENOMEM);
2535 if (!codec->sample_rate)
2536 codec->sample_rate = icodec->sample_rate;
2537 choose_sample_rate(ost->st, ost->enc);
2538 codec->time_base = (AVRational){ 1, codec->sample_rate };
2540 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2541 codec->sample_fmt = icodec->sample_fmt;
2542 choose_sample_fmt(ost->st, ost->enc);
2544 if (ost->audio_channels_mapped) {
2545 /* the requested output channel is set to the number of
2546 * -map_channel only if no -ac are specified */
2547 if (!codec->channels) {
2548 codec->channels = ost->audio_channels_mapped;
2549 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2550 if (!codec->channel_layout) {
2551 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2555 /* fill unused channel mapping with -1 (which means a muted
2556 * channel in case the number of output channels is bigger
2557 * than the number of mapped channel) */
2558 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2559 ost->audio_channels_map[j] = -1;
2560 } else if (!codec->channels) {
2561 codec->channels = icodec->channels;
2562 codec->channel_layout = icodec->channel_layout;
2564 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2565 codec->channel_layout = 0;
2567 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2568 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2569 || codec->channel_layout != icodec->channel_layout;
2570 icodec->request_channels = codec->channels;
2571 ost->resample_sample_fmt = icodec->sample_fmt;
2572 ost->resample_sample_rate = icodec->sample_rate;
2573 ost->resample_channels = icodec->channels;
2575 case AVMEDIA_TYPE_VIDEO:
2576 if (codec->pix_fmt == PIX_FMT_NONE)
2577 codec->pix_fmt = icodec->pix_fmt;
2578 choose_pixel_fmt(ost->st, ost->enc);
2580 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2581 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2585 if (!codec->width || !codec->height) {
2586 codec->width = icodec->width;
2587 codec->height = icodec->height;
2590 ost->video_resample = codec->width != icodec->width ||
2591 codec->height != icodec->height ||
2592 codec->pix_fmt != icodec->pix_fmt;
2593 if (ost->video_resample) {
2594 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2597 ost->resample_height = icodec->height;
2598 ost->resample_width = icodec->width;
2599 ost->resample_pix_fmt = icodec->pix_fmt;
2601 if (!ost->frame_rate.num)
2602 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2603 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2604 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2605 ost->frame_rate = ost->enc->supported_framerates[idx];
2607 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2608 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2609 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2610 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2611 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2613 for (j = 0; j < ost->forced_kf_count; j++)
2614 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2619 if (configure_video_filters(ist, ost)) {
2620 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2625 case AVMEDIA_TYPE_SUBTITLE:
2632 if (codec->codec_id != CODEC_ID_H264 &&
2633 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2634 char logfilename[1024];
2637 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2638 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2640 if (codec->flags & CODEC_FLAG_PASS2) {
2642 size_t logbuffer_size;
2643 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2644 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2648 codec->stats_in = logbuffer;
2650 if (codec->flags & CODEC_FLAG_PASS1) {
2651 f = fopen(logfilename, "wb");
2653 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2654 logfilename, strerror(errno));
2661 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2662 /* maximum video buffer size is 8-bytes per pixel, plus DPX header size (1664)*/
2663 int size = codec->width * codec->height;
2664 bit_buffer_size = FFMAX(bit_buffer_size, 9*size + 10000);
2669 bit_buffer = av_malloc(bit_buffer_size);
2671 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2673 return AVERROR(ENOMEM);
2676 /* open each encoder */
2677 for (i = 0; i < nb_output_streams; i++) {
2678 ost = &output_streams[i];
2679 if (ost->encoding_needed) {
2680 AVCodec *codec = ost->enc;
2681 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2683 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2684 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2685 ret = AVERROR(EINVAL);
2688 if (dec->subtitle_header) {
2689 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2690 if (!ost->st->codec->subtitle_header) {
2691 ret = AVERROR(ENOMEM);
2694 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2695 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2697 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2698 av_dict_set(&ost->opts, "threads", "auto", 0);
2699 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2700 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2701 ost->file_index, ost->index);
2702 ret = AVERROR(EINVAL);
2705 assert_codec_experimental(ost->st->codec, 1);
2706 assert_avoptions(ost->opts);
2707 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2708 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2709 " It takes bits/s as argument, not kbits/s\n");
2710 extra_size += ost->st->codec->extradata_size;
2712 if (ost->st->codec->me_threshold)
2713 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2717 /* init input streams */
2718 for (i = 0; i < nb_input_streams; i++)
2719 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2722 /* discard unused programs */
2723 for (i = 0; i < nb_input_files; i++) {
2724 InputFile *ifile = &input_files[i];
2725 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2726 AVProgram *p = ifile->ctx->programs[j];
2727 int discard = AVDISCARD_ALL;
2729 for (k = 0; k < p->nb_stream_indexes; k++)
2730 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2731 discard = AVDISCARD_DEFAULT;
2734 p->discard = discard;
2738 /* open files and write file headers */
2739 for (i = 0; i < nb_output_files; i++) {
2740 oc = output_files[i].ctx;
2741 oc->interrupt_callback = int_cb;
2742 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2743 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2744 ret = AVERROR(EINVAL);
2747 // assert_avoptions(output_files[i].opts);
2748 if (strcmp(oc->oformat->name, "rtp")) {
2754 /* dump the file output parameters - cannot be done before in case
2756 for (i = 0; i < nb_output_files; i++) {
2757 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2760 /* dump the stream mapping */
2761 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2762 for (i = 0; i < nb_output_streams; i++) {
2763 ost = &output_streams[i];
2765 if (ost->attachment_filename) {
2766 /* an attached file */
2767 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2768 ost->attachment_filename, ost->file_index, ost->index);
2771 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2772 input_streams[ost->source_index].file_index,
2773 input_streams[ost->source_index].st->index,
2776 if (ost->audio_channels_mapped) {
2777 av_log(NULL, AV_LOG_INFO, " [ch:");
2778 for (j = 0; j < ost->audio_channels_mapped; j++)
2779 if (ost->audio_channels_map[j] == -1)
2780 av_log(NULL, AV_LOG_INFO, " M");
2782 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2783 av_log(NULL, AV_LOG_INFO, "]");
2785 if (ost->sync_ist != &input_streams[ost->source_index])
2786 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2787 ost->sync_ist->file_index,
2788 ost->sync_ist->st->index);
2789 if (ost->stream_copy)
2790 av_log(NULL, AV_LOG_INFO, " (copy)");
2792 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2793 input_streams[ost->source_index].dec->name : "?",
2794 ost->enc ? ost->enc->name : "?");
2795 av_log(NULL, AV_LOG_INFO, "\n");
2799 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2804 print_sdp(output_files, nb_output_files);
2811 * The following code is the main loop of the file converter
2813 static int transcode(OutputFile *output_files, int nb_output_files,
2814 InputFile *input_files, int nb_input_files)
2817 AVFormatContext *is, *os;
2821 int no_packet_count = 0;
2822 int64_t timer_start;
2825 if (!(no_packet = av_mallocz(nb_input_files)))
2828 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2833 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2836 timer_start = av_gettime();
2838 for (; received_sigterm == 0;) {
2839 int file_index, ist_index;
2843 int64_t cur_time= av_gettime();
2845 ipts_min = INT64_MAX;
2847 /* if 'q' pressed, exits */
2849 static int64_t last_time;
2850 if (received_nb_signals)
2852 /* read_key() returns 0 on EOF */
2853 if(cur_time - last_time >= 100000 && !run_as_daemon){
2855 last_time = cur_time;
2860 if (key == '+') av_log_set_level(av_log_get_level()+10);
2861 if (key == '-') av_log_set_level(av_log_get_level()-10);
2862 if (key == 's') qp_hist ^= 1;
2865 do_hex_dump = do_pkt_dump = 0;
2866 } else if(do_pkt_dump){
2870 av_log_set_level(AV_LOG_DEBUG);
2873 if (key == 'c' || key == 'C'){
2874 char buf[4096], target[64], command[256], arg[256] = {0};
2877 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2879 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2884 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2885 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2886 target, time, command, arg);
2887 for (i = 0; i < nb_output_streams; i++) {
2888 ost = &output_streams[i];
2891 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2892 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2893 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2895 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2900 av_log(NULL, AV_LOG_ERROR,
2901 "Parse error, at least 3 arguments were expected, "
2902 "only %d given in string '%s'\n", n, buf);
2906 if (key == 'd' || key == 'D'){
2909 debug = input_streams[0].st->codec->debug<<1;
2910 if(!debug) debug = 1;
2911 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2914 if(scanf("%d", &debug)!=1)
2915 fprintf(stderr,"error parsing debug value\n");
2916 for(i=0;i<nb_input_streams;i++) {
2917 input_streams[i].st->codec->debug = debug;
2919 for(i=0;i<nb_output_streams;i++) {
2920 ost = &output_streams[i];
2921 ost->st->codec->debug = debug;
2923 if(debug) av_log_set_level(AV_LOG_DEBUG);
2924 fprintf(stderr,"debug=%d\n", debug);
2927 fprintf(stderr, "key function\n"
2928 "? show this help\n"
2929 "+ increase verbosity\n"
2930 "- decrease verbosity\n"
2931 "c Send command to filtergraph\n"
2932 "D cycle through available debug modes\n"
2933 "h dump packets/hex press to cycle through the 3 states\n"
2935 "s Show QP histogram\n"
2940 /* select the stream that we must read now by looking at the
2941 smallest output pts */
2943 for (i = 0; i < nb_output_streams; i++) {
2947 ost = &output_streams[i];
2948 of = &output_files[ost->file_index];
2949 os = output_files[ost->file_index].ctx;
2950 ist = &input_streams[ost->source_index];
2951 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2952 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2954 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2956 if (!input_files[ist->file_index].eof_reached) {
2957 if (ipts < ipts_min) {
2960 file_index = ist->file_index;
2962 if (opts < opts_min) {
2964 if (!input_sync) file_index = ist->file_index;
2967 if (ost->frame_number >= ost->max_frames) {
2969 for (j = 0; j < of->ctx->nb_streams; j++)
2970 output_streams[of->ost_index + j].is_past_recording_time = 1;
2974 /* if none, if is finished */
2975 if (file_index < 0) {
2976 if (no_packet_count) {
2977 no_packet_count = 0;
2978 memset(no_packet, 0, nb_input_files);
2985 /* read a frame from it and output it in the fifo */
2986 is = input_files[file_index].ctx;
2987 ret = av_read_frame(is, &pkt);
2988 if (ret == AVERROR(EAGAIN)) {
2989 no_packet[file_index] = 1;
2994 input_files[file_index].eof_reached = 1;
3001 no_packet_count = 0;
3002 memset(no_packet, 0, nb_input_files);
3005 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3006 is->streams[pkt.stream_index]);
3008 /* the following test is needed in case new streams appear
3009 dynamically in stream : we ignore them */
3010 if (pkt.stream_index >= input_files[file_index].nb_streams)
3011 goto discard_packet;
3012 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3013 ist = &input_streams[ist_index];
3015 goto discard_packet;
3017 if (pkt.dts != AV_NOPTS_VALUE)
3018 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3019 if (pkt.pts != AV_NOPTS_VALUE)
3020 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3022 if (pkt.pts != AV_NOPTS_VALUE)
3023 pkt.pts *= ist->ts_scale;
3024 if (pkt.dts != AV_NOPTS_VALUE)
3025 pkt.dts *= ist->ts_scale;
3027 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3029 // pkt.dts, input_files[ist->file_index].ts_offset,
3030 // ist->st->codec->codec_type);
3031 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
3032 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3033 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3034 int64_t delta = pkt_dts - ist->next_pts;
3035 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3036 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3037 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3038 pkt_dts+1<ist->pts)&& !copy_ts){
3039 input_files[ist->file_index].ts_offset -= delta;
3040 av_log(NULL, AV_LOG_DEBUG,
3041 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3042 delta, input_files[ist->file_index].ts_offset);
3043 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3044 if (pkt.pts != AV_NOPTS_VALUE)
3045 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3049 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3050 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3052 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3053 ist->file_index, ist->st->index);
3056 av_free_packet(&pkt);
3061 av_free_packet(&pkt);
3063 /* dump report by using the output first video and audio streams */
3064 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3067 /* at the end of stream, we must flush the decoder buffers */
3068 for (i = 0; i < nb_input_streams; i++) {
3069 ist = &input_streams[i];
3070 if (ist->decoding_needed) {
3071 output_packet(ist, output_streams, nb_output_streams, NULL);
3074 flush_encoders(output_streams, nb_output_streams);
3078 /* write the trailer if needed and close file */
3079 for (i = 0; i < nb_output_files; i++) {
3080 os = output_files[i].ctx;
3081 av_write_trailer(os);
3084 /* dump report by using the first video and audio streams */
3085 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3087 /* close each encoder */
3088 for (i = 0; i < nb_output_streams; i++) {
3089 ost = &output_streams[i];
3090 if (ost->encoding_needed) {
3091 av_freep(&ost->st->codec->stats_in);
3092 avcodec_close(ost->st->codec);
3095 avfilter_graph_free(&ost->graph);
3099 /* close each decoder */
3100 for (i = 0; i < nb_input_streams; i++) {
3101 ist = &input_streams[i];
3102 if (ist->decoding_needed) {
3103 avcodec_close(ist->st->codec);
3111 av_freep(&bit_buffer);
3112 av_freep(&no_packet);
3114 if (output_streams) {
3115 for (i = 0; i < nb_output_streams; i++) {
3116 ost = &output_streams[i];
3118 if (ost->stream_copy)
3119 av_freep(&ost->st->codec->extradata);
3121 fclose(ost->logfile);
3122 ost->logfile = NULL;
3124 av_fifo_free(ost->fifo); /* works even if fifo is not
3125 initialized but set to zero */
3126 av_freep(&ost->st->codec->subtitle_header);
3127 av_free(ost->resample_frame.data[0]);
3128 av_free(ost->forced_kf_pts);
3129 if (ost->video_resample)
3130 sws_freeContext(ost->img_resample_ctx);
3131 swr_free(&ost->swr);
3132 av_dict_free(&ost->opts);
3139 static int opt_frame_crop(const char *opt, const char *arg)
3141 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3142 return AVERROR(EINVAL);
3145 static int opt_pad(const char *opt, const char *arg)
3147 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3151 static double parse_frame_aspect_ratio(const char *arg)
3158 p = strchr(arg, ':');
3160 x = strtol(arg, &end, 10);
3162 y = strtol(end + 1, &end, 10);
3164 ar = (double)x / (double)y;
3166 ar = strtod(arg, NULL);
3169 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
3175 static int opt_video_channel(const char *opt, const char *arg)
3177 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3178 return opt_default("channel", arg);
3181 static int opt_video_standard(const char *opt, const char *arg)
3183 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3184 return opt_default("standard", arg);
3187 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3189 audio_codec_name = arg;
3190 return parse_option(o, "codec:a", arg, options);
3193 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3195 video_codec_name = arg;
3196 return parse_option(o, "codec:v", arg, options);
3199 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3201 subtitle_codec_name = arg;
3202 return parse_option(o, "codec:s", arg, options);
3205 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3207 return parse_option(o, "codec:d", arg, options);
3210 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3212 StreamMap *m = NULL;
3213 int i, negative = 0, file_idx;
3214 int sync_file_idx = -1, sync_stream_idx = 0;
3222 map = av_strdup(arg);
3224 /* parse sync stream first, just pick first matching stream */
3225 if (sync = strchr(map, ',')) {
3227 sync_file_idx = strtol(sync + 1, &sync, 0);
3228 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3229 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3234 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3235 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3236 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3237 sync_stream_idx = i;
3240 if (i == input_files[sync_file_idx].nb_streams) {
3241 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3242 "match any streams.\n", arg);
3248 file_idx = strtol(map, &p, 0);
3249 if (file_idx >= nb_input_files || file_idx < 0) {
3250 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3254 /* disable some already defined maps */
3255 for (i = 0; i < o->nb_stream_maps; i++) {
3256 m = &o->stream_maps[i];
3257 if (file_idx == m->file_index &&
3258 check_stream_specifier(input_files[m->file_index].ctx,
3259 input_files[m->file_index].ctx->streams[m->stream_index],
3260 *p == ':' ? p + 1 : p) > 0)
3264 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3265 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3266 *p == ':' ? p + 1 : p) <= 0)
3268 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3269 &o->nb_stream_maps, o->nb_stream_maps + 1);
3270 m = &o->stream_maps[o->nb_stream_maps - 1];
3272 m->file_index = file_idx;
3273 m->stream_index = i;
3275 if (sync_file_idx >= 0) {
3276 m->sync_file_index = sync_file_idx;
3277 m->sync_stream_index = sync_stream_idx;
3279 m->sync_file_index = file_idx;
3280 m->sync_stream_index = i;
3285 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3293 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3295 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3296 &o->nb_attachments, o->nb_attachments + 1);
3297 o->attachments[o->nb_attachments - 1] = arg;
3301 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3307 o->audio_channel_maps =
3308 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3309 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3310 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3312 /* muted channel syntax */
3313 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3314 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3315 m->file_idx = m->stream_idx = -1;
3317 m->ofile_idx = m->ostream_idx = -1;
3322 n = sscanf(arg, "%d.%d.%d:%d.%d",
3323 &m->file_idx, &m->stream_idx, &m->channel_idx,
3324 &m->ofile_idx, &m->ostream_idx);
3326 if (n != 3 && n != 5) {
3327 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3328 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3332 if (n != 5) // only file.stream.channel specified
3333 m->ofile_idx = m->ostream_idx = -1;
3336 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3337 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3341 if (m->stream_idx < 0 ||
3342 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3343 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3344 m->file_idx, m->stream_idx);
3347 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3348 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3349 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3350 m->file_idx, m->stream_idx);
3353 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3354 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3355 m->file_idx, m->stream_idx, m->channel_idx);
3362 * Parse a metadata specifier in arg.
3363 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3364 * @param index for type c/p, chapter/program index is written here
3365 * @param stream_spec for type s, the stream specifier is written here
3367 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3375 if (*(++arg) && *arg != ':') {
3376 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3379 *stream_spec = *arg == ':' ? arg + 1 : "";
3383 if (*(++arg) == ':')
3384 *index = strtol(++arg, NULL, 0);
3387 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3394 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3396 AVDictionary **meta_in = NULL;
3397 AVDictionary **meta_out = NULL;
3399 char type_in, type_out;
3400 const char *istream_spec = NULL, *ostream_spec = NULL;
3401 int idx_in = 0, idx_out = 0;
3403 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3404 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3406 if (type_in == 'g' || type_out == 'g')
3407 o->metadata_global_manual = 1;
3408 if (type_in == 's' || type_out == 's')
3409 o->metadata_streams_manual = 1;
3410 if (type_in == 'c' || type_out == 'c')
3411 o->metadata_chapters_manual = 1;
3413 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3414 if ((index) < 0 || (index) >= (nb_elems)) {\
3415 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3420 #define SET_DICT(type, meta, context, index)\
3423 meta = &context->metadata;\
3426 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3427 meta = &context->chapters[index]->metadata;\
3430 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3431 meta = &context->programs[index]->metadata;\
3435 SET_DICT(type_in, meta_in, ic, idx_in);
3436 SET_DICT(type_out, meta_out, oc, idx_out);
3438 /* for input streams choose first matching stream */
3439 if (type_in == 's') {
3440 for (i = 0; i < ic->nb_streams; i++) {
3441 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3442 meta_in = &ic->streams[i]->metadata;
3448 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3453 if (type_out == 's') {
3454 for (i = 0; i < oc->nb_streams; i++) {
3455 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3456 meta_out = &oc->streams[i]->metadata;
3457 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3462 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3467 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3470 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3471 struct tm time = *gmtime((time_t*)&recording_timestamp);
3472 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3473 parse_option(o, "metadata", buf, options);
3475 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3476 "tag instead.\n", opt);
3480 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3482 const char *codec_string = encoder ? "encoder" : "decoder";
3486 avcodec_find_encoder_by_name(name) :
3487 avcodec_find_decoder_by_name(name);
3489 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3492 if (codec->type != type) {
3493 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3499 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3501 char *codec_name = NULL;
3503 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3505 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3506 st->codec->codec_id = codec->id;
3509 return avcodec_find_decoder(st->codec->codec_id);
3513 * Add all the streams from the given input file to the global
3514 * list of input streams.
3516 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3519 char *next, *codec_tag = NULL;
3521 for (i = 0; i < ic->nb_streams; i++) {
3522 AVStream *st = ic->streams[i];
3523 AVCodecContext *dec = st->codec;
3526 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3527 ist = &input_streams[nb_input_streams - 1];
3529 ist->file_index = nb_input_files;
3531 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3533 ist->ts_scale = 1.0;
3534 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3536 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3538 uint32_t tag = strtol(codec_tag, &next, 0);
3540 tag = AV_RL32(codec_tag);
3541 st->codec->codec_tag = tag;
3544 ist->dec = choose_decoder(o, ic, st);
3546 switch (dec->codec_type) {
3547 case AVMEDIA_TYPE_AUDIO:
3549 ist->dec = avcodec_find_decoder(dec->codec_id);
3550 if (o->audio_disable)
3551 st->discard = AVDISCARD_ALL;
3553 case AVMEDIA_TYPE_VIDEO:
3555 ist->dec = avcodec_find_decoder(dec->codec_id);
3557 dec->flags |= CODEC_FLAG_EMU_EDGE;
3560 if (o->video_disable)
3561 st->discard = AVDISCARD_ALL;
3562 else if (video_discard)
3563 st->discard = video_discard;
3565 case AVMEDIA_TYPE_DATA:
3566 if (o->data_disable)
3567 st->discard= AVDISCARD_ALL;
3569 case AVMEDIA_TYPE_SUBTITLE:
3571 ist->dec = avcodec_find_decoder(dec->codec_id);
3572 if(o->subtitle_disable)
3573 st->discard = AVDISCARD_ALL;
3575 case AVMEDIA_TYPE_ATTACHMENT:
3576 case AVMEDIA_TYPE_UNKNOWN:
3584 static void assert_file_overwrite(const char *filename)
3586 if ((!file_overwrite || no_file_overwrite) &&
3587 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3588 av_strstart(filename, "file:", NULL))) {
3589 if (avio_check(filename, 0) == 0) {
3590 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3591 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3594 signal(SIGINT, SIG_DFL);
3595 if (!read_yesno()) {
3596 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3602 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3609 static void dump_attachment(AVStream *st, const char *filename)
3612 AVIOContext *out = NULL;
3613 AVDictionaryEntry *e;
3615 if (!st->codec->extradata_size) {
3616 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3617 nb_input_files - 1, st->index);
3620 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3621 filename = e->value;
3623 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3624 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3628 assert_file_overwrite(filename);
3630 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3631 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3636 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3641 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3643 AVFormatContext *ic;
3644 AVInputFormat *file_iformat = NULL;
3648 AVDictionary **opts;
3649 int orig_nb_streams; // number of streams before avformat_find_stream_info
3652 if (!(file_iformat = av_find_input_format(o->format))) {
3653 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3658 if (!strcmp(filename, "-"))
3661 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3662 !strcmp(filename, "/dev/stdin");
3664 /* get default parameters from command line */
3665 ic = avformat_alloc_context();
3667 print_error(filename, AVERROR(ENOMEM));
3670 if (o->nb_audio_sample_rate) {
3671 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3672 av_dict_set(&format_opts, "sample_rate", buf, 0);
3674 if (o->nb_audio_channels) {
3675 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3676 av_dict_set(&format_opts, "channels", buf, 0);
3678 if (o->nb_frame_rates) {
3679 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3681 if (o->nb_frame_sizes) {
3682 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3684 if (o->nb_frame_pix_fmts)
3685 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3687 ic->video_codec_id = video_codec_name ?
3688 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3689 ic->audio_codec_id = audio_codec_name ?
3690 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3691 ic->subtitle_codec_id= subtitle_codec_name ?
3692 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3693 ic->flags |= AVFMT_FLAG_NONBLOCK;
3694 ic->interrupt_callback = int_cb;
3696 /* open the input file with generic avformat function */
3697 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3699 print_error(filename, err);
3702 assert_avoptions(format_opts);
3704 /* apply forced codec ids */
3705 for (i = 0; i < ic->nb_streams; i++)
3706 choose_decoder(o, ic, ic->streams[i]);
3708 /* Set AVCodecContext options for avformat_find_stream_info */
3709 opts = setup_find_stream_info_opts(ic, codec_opts);
3710 orig_nb_streams = ic->nb_streams;
3712 /* If not enough info to get the stream parameters, we decode the
3713 first frames to get it. (used in mpeg case for example) */
3714 ret = avformat_find_stream_info(ic, opts);
3716 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3717 avformat_close_input(&ic);
3721 timestamp = o->start_time;
3722 /* add the stream start time */
3723 if (ic->start_time != AV_NOPTS_VALUE)
3724 timestamp += ic->start_time;
3726 /* if seeking requested, we execute it */
3727 if (o->start_time != 0) {
3728 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3730 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3731 filename, (double)timestamp / AV_TIME_BASE);
3735 /* update the current parameters so that they match the one of the input stream */
3736 add_input_streams(o, ic);
3738 /* dump the file content */
3739 av_dump_format(ic, nb_input_files, filename, 0);
3741 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3742 input_files[nb_input_files - 1].ctx = ic;
3743 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3744 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3745 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3746 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3748 for (i = 0; i < o->nb_dump_attachment; i++) {
3751 for (j = 0; j < ic->nb_streams; j++) {
3752 AVStream *st = ic->streams[j];
3754 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3755 dump_attachment(st, o->dump_attachment[i].u.str);
3759 for (i = 0; i < orig_nb_streams; i++)
3760 av_dict_free(&opts[i]);
3763 reset_options(o, 1);
3767 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3772 for (p = kf; *p; p++)
3775 ost->forced_kf_count = n;
3776 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3777 if (!ost->forced_kf_pts) {
3778 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3781 for (i = 0; i < n; i++) {
3782 p = i ? strchr(p, ',') + 1 : kf;
3783 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3787 static uint8_t *get_line(AVIOContext *s)
3793 if (avio_open_dyn_buf(&line) < 0) {
3794 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3798 while ((c = avio_r8(s)) && c != '\n')
3801 avio_close_dyn_buf(line, &buf);
3806 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3809 char filename[1000];
3810 const char *base[3] = { getenv("AVCONV_DATADIR"),
3815 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3819 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3820 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3821 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3824 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3825 i != 1 ? "" : "/.avconv", preset_name);
3826 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3832 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3834 char *codec_name = NULL;
3836 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3838 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3839 NULL, ost->st->codec->codec_type);
3840 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3841 } else if (!strcmp(codec_name, "copy"))
3842 ost->stream_copy = 1;
3844 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3845 ost->st->codec->codec_id = ost->enc->id;
3849 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3852 AVStream *st = avformat_new_stream(oc, NULL);
3853 int idx = oc->nb_streams - 1, ret = 0;
3854 char *bsf = NULL, *next, *codec_tag = NULL;
3855 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3857 char *buf = NULL, *arg = NULL, *preset = NULL;
3858 AVIOContext *s = NULL;
3861 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3865 if (oc->nb_streams - 1 < o->nb_streamid_map)
3866 st->id = o->streamid_map[oc->nb_streams - 1];
3868 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3869 nb_output_streams + 1);
3870 ost = &output_streams[nb_output_streams - 1];
3871 ost->file_index = nb_output_files;
3874 st->codec->codec_type = type;
3875 choose_encoder(o, oc, ost);
3877 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3880 avcodec_get_context_defaults3(st->codec, ost->enc);
3881 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3883 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3884 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3887 if (!buf[0] || buf[0] == '#') {
3891 if (!(arg = strchr(buf, '='))) {
3892 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3896 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3898 } while (!s->eof_reached);
3902 av_log(NULL, AV_LOG_FATAL,
3903 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3904 preset, ost->file_index, ost->index);
3908 ost->max_frames = INT64_MAX;
3909 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3911 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3913 if (next = strchr(bsf, ','))
3915 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3916 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3920 bsfc_prev->next = bsfc;
3922 ost->bitstream_filters = bsfc;
3928 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3930 uint32_t tag = strtol(codec_tag, &next, 0);
3932 tag = AV_RL32(codec_tag);
3933 st->codec->codec_tag = tag;
3936 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3937 if (qscale >= 0 || same_quant) {
3938 st->codec->flags |= CODEC_FLAG_QSCALE;
3939 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3942 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3943 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3945 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3949 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3952 const char *p = str;
3959 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3966 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3970 AVCodecContext *video_enc;
3972 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3974 video_enc = st->codec;
3976 if (!ost->stream_copy) {
3977 const char *p = NULL;
3978 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3979 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3980 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3983 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3984 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3985 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3989 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3990 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3991 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3995 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3996 if (frame_aspect_ratio)
3997 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3999 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4000 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4001 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4002 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4005 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4008 video_enc->gop_size = 0;
4009 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4011 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4012 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4015 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4017 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4019 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4020 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4023 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4026 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4027 for (i = 0; p; i++) {
4029 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4031 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4034 /* FIXME realloc failure */
4035 video_enc->rc_override =
4036 av_realloc(video_enc->rc_override,
4037 sizeof(RcOverride) * (i + 1));
4038 video_enc->rc_override[i].start_frame = start;
4039 video_enc->rc_override[i].end_frame = end;
4041 video_enc->rc_override[i].qscale = q;
4042 video_enc->rc_override[i].quality_factor = 1.0;
4045 video_enc->rc_override[i].qscale = 0;
4046 video_enc->rc_override[i].quality_factor = -q/100.0;
4051 video_enc->rc_override_count = i;
4052 if (!video_enc->rc_initial_buffer_occupancy)
4053 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4054 video_enc->intra_dc_precision = intra_dc_precision - 8;
4057 video_enc->flags|= CODEC_FLAG_PSNR;
4062 video_enc->flags |= CODEC_FLAG_PASS1;
4065 video_enc->flags |= CODEC_FLAG_PASS2;
4069 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4070 if (forced_key_frames)
4071 parse_forced_key_frames(forced_key_frames, ost);
4073 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4075 ost->top_field_first = -1;
4076 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4079 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4081 ost->avfilter = av_strdup(filters);
4084 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4090 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4095 AVCodecContext *audio_enc;
4097 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4100 audio_enc = st->codec;
4101 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4103 if (!ost->stream_copy) {
4104 char *sample_fmt = NULL;
4106 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4108 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4110 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4111 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4115 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4117 ost->rematrix_volume=1.0;
4118 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4121 /* check for channel mapping for this audio stream */
4122 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4123 AudioChannelMap *map = &o->audio_channel_maps[n];
4124 InputStream *ist = &input_streams[ost->source_index];
4125 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4126 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4127 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4128 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4129 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4131 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4132 ost->file_index, ost->st->index);
4139 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4143 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4144 if (!ost->stream_copy) {
4145 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4152 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4154 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4155 ost->stream_copy = 1;
4159 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4163 AVCodecContext *subtitle_enc;
4165 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4167 subtitle_enc = st->codec;
4169 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4174 /* arg format is "output-stream-index:streamid-value". */
4175 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4181 av_strlcpy(idx_str, arg, sizeof(idx_str));
4182 p = strchr(idx_str, ':');
4184 av_log(NULL, AV_LOG_FATAL,
4185 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4190 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4191 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4192 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4196 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4198 AVFormatContext *is = ifile->ctx;
4199 AVFormatContext *os = ofile->ctx;
4202 for (i = 0; i < is->nb_chapters; i++) {
4203 AVChapter *in_ch = is->chapters[i], *out_ch;
4204 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4205 AV_TIME_BASE_Q, in_ch->time_base);
4206 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4207 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4210 if (in_ch->end < ts_off)
4212 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4215 out_ch = av_mallocz(sizeof(AVChapter));
4217 return AVERROR(ENOMEM);
4219 out_ch->id = in_ch->id;
4220 out_ch->time_base = in_ch->time_base;
4221 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4222 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4225 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4228 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4230 return AVERROR(ENOMEM);
4231 os->chapters[os->nb_chapters - 1] = out_ch;
4236 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4239 AVFormatContext *ic = avformat_alloc_context();
4241 ic->interrupt_callback = int_cb;
4242 err = avformat_open_input(&ic, filename, NULL, NULL);
4245 /* copy stream format */
4246 for(i=0;i<ic->nb_streams;i++) {
4250 AVCodecContext *avctx;
4252 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4253 ost = new_output_stream(o, s, codec->type);
4258 // FIXME: a more elegant solution is needed
4259 memcpy(st, ic->streams[i], sizeof(AVStream));
4260 st->info = av_malloc(sizeof(*st->info));
4261 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4263 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4265 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4266 choose_sample_fmt(st, codec);
4267 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4268 choose_pixel_fmt(st, codec);
4271 avformat_close_input(&ic);
4275 static void opt_output_file(void *optctx, const char *filename)
4277 OptionsContext *o = optctx;
4278 AVFormatContext *oc;
4280 AVOutputFormat *file_oformat;
4284 if (!strcmp(filename, "-"))
4287 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4289 print_error(filename, err);
4292 file_oformat= oc->oformat;
4293 oc->interrupt_callback = int_cb;
4295 if (!strcmp(file_oformat->name, "ffm") &&
4296 av_strstart(filename, "http:", NULL)) {
4298 /* special case for files sent to ffserver: we get the stream
4299 parameters from ffserver */
4300 int err = read_ffserver_streams(o, oc, filename);
4302 print_error(filename, err);
4305 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4306 ost = &output_streams[j];
4307 for (i = 0; i < nb_input_streams; i++) {
4308 ist = &input_streams[i];
4309 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4311 ost->source_index= i;
4317 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));
4321 } else if (!o->nb_stream_maps) {
4322 /* pick the "best" stream of each type */
4323 #define NEW_STREAM(type, index)\
4325 ost = new_ ## type ## _stream(o, oc);\
4326 ost->source_index = index;\
4327 ost->sync_ist = &input_streams[index];\
4328 input_streams[index].discard = 0;\
4331 /* video: highest resolution */
4332 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4333 int area = 0, idx = -1;
4334 for (i = 0; i < nb_input_streams; i++) {
4335 ist = &input_streams[i];
4336 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4337 ist->st->codec->width * ist->st->codec->height > area) {
4338 area = ist->st->codec->width * ist->st->codec->height;
4342 NEW_STREAM(video, idx);
4345 /* audio: most channels */
4346 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4347 int channels = 0, idx = -1;
4348 for (i = 0; i < nb_input_streams; i++) {
4349 ist = &input_streams[i];
4350 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4351 ist->st->codec->channels > channels) {
4352 channels = ist->st->codec->channels;
4356 NEW_STREAM(audio, idx);
4359 /* subtitles: pick first */
4360 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4361 for (i = 0; i < nb_input_streams; i++)
4362 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4363 NEW_STREAM(subtitle, i);
4367 /* do something with data? */
4369 for (i = 0; i < o->nb_stream_maps; i++) {
4370 StreamMap *map = &o->stream_maps[i];
4375 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4376 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4378 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4380 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4382 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4385 switch (ist->st->codec->codec_type) {
4386 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4387 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4388 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4389 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4390 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4392 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4393 map->file_index, map->stream_index);
4397 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4398 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4399 map->sync_stream_index];
4404 /* handle attached files */
4405 for (i = 0; i < o->nb_attachments; i++) {
4407 uint8_t *attachment;
4411 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4412 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4416 if ((len = avio_size(pb)) <= 0) {
4417 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4421 if (!(attachment = av_malloc(len))) {
4422 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4426 avio_read(pb, attachment, len);
4428 ost = new_attachment_stream(o, oc);
4429 ost->stream_copy = 0;
4430 ost->source_index = -1;
4431 ost->attachment_filename = o->attachments[i];
4432 ost->st->codec->extradata = attachment;
4433 ost->st->codec->extradata_size = len;
4435 p = strrchr(o->attachments[i], '/');
4436 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4440 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4441 output_files[nb_output_files - 1].ctx = oc;
4442 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4443 output_files[nb_output_files - 1].recording_time = o->recording_time;
4444 output_files[nb_output_files - 1].start_time = o->start_time;
4445 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4446 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4448 /* check filename in case of an image number is expected */
4449 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4450 if (!av_filename_number_test(oc->filename)) {
4451 print_error(oc->filename, AVERROR(EINVAL));
4456 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4457 /* test if it already exists to avoid losing precious files */
4458 assert_file_overwrite(filename);
4461 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4462 &oc->interrupt_callback,
4463 &output_files[nb_output_files - 1].opts)) < 0) {
4464 print_error(filename, err);
4469 if (o->mux_preload) {
4471 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4472 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4474 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4477 for (i = 0; i < o->nb_metadata_map; i++) {
4479 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4481 if (in_file_index < 0)
4483 if (in_file_index >= nb_input_files) {
4484 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4487 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4491 if (o->chapters_input_file >= nb_input_files) {
4492 if (o->chapters_input_file == INT_MAX) {
4493 /* copy chapters from the first input file that has them*/
4494 o->chapters_input_file = -1;
4495 for (i = 0; i < nb_input_files; i++)
4496 if (input_files[i].ctx->nb_chapters) {
4497 o->chapters_input_file = i;
4501 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4502 o->chapters_input_file);
4506 if (o->chapters_input_file >= 0)
4507 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4508 !o->metadata_chapters_manual);
4510 /* copy global metadata by default */
4511 if (!o->metadata_global_manual && nb_input_files){
4512 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4513 AV_DICT_DONT_OVERWRITE);
4514 if(o->recording_time != INT64_MAX)
4515 av_dict_set(&oc->metadata, "duration", NULL, 0);
4517 if (!o->metadata_streams_manual)
4518 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4520 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4522 ist = &input_streams[output_streams[i].source_index];
4523 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4526 /* process manually set metadata */
4527 for (i = 0; i < o->nb_metadata; i++) {
4530 const char *stream_spec;
4531 int index = 0, j, ret = 0;
4533 val = strchr(o->metadata[i].u.str, '=');
4535 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4536 o->metadata[i].u.str);
4541 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4543 for (j = 0; j < oc->nb_streams; j++) {
4544 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4545 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4549 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4557 if (index < 0 || index >= oc->nb_chapters) {
4558 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4561 m = &oc->chapters[index]->metadata;
4564 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4567 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4571 reset_options(o, 0);
4574 /* same option as mencoder */
4575 static int opt_pass(const char *opt, const char *arg)
4577 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4581 static int64_t getutime(void)
4584 struct rusage rusage;
4586 getrusage(RUSAGE_SELF, &rusage);
4587 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4588 #elif HAVE_GETPROCESSTIMES
4590 FILETIME c, e, k, u;
4591 proc = GetCurrentProcess();
4592 GetProcessTimes(proc, &c, &e, &k, &u);
4593 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4595 return av_gettime();
4599 static int64_t getmaxrss(void)
4601 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4602 struct rusage rusage;
4603 getrusage(RUSAGE_SELF, &rusage);
4604 return (int64_t)rusage.ru_maxrss * 1024;
4605 #elif HAVE_GETPROCESSMEMORYINFO
4607 PROCESS_MEMORY_COUNTERS memcounters;
4608 proc = GetCurrentProcess();
4609 memcounters.cb = sizeof(memcounters);
4610 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4611 return memcounters.PeakPagefileUsage;
4617 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4619 return parse_option(o, "q:a", arg, options);
4622 static void show_usage(void)
4624 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4625 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4626 av_log(NULL, AV_LOG_INFO, "\n");
4629 static int opt_help(const char *opt, const char *arg)
4631 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4632 av_log_set_callback(log_callback_help);
4634 show_help_options(options, "Main options:\n",
4635 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4636 show_help_options(options, "\nAdvanced options:\n",
4637 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4639 show_help_options(options, "\nVideo options:\n",
4640 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4642 show_help_options(options, "\nAdvanced Video options:\n",
4643 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4644 OPT_VIDEO | OPT_EXPERT);
4645 show_help_options(options, "\nAudio options:\n",
4646 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4648 show_help_options(options, "\nAdvanced Audio options:\n",
4649 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4650 OPT_AUDIO | OPT_EXPERT);
4651 show_help_options(options, "\nSubtitle options:\n",
4652 OPT_SUBTITLE | OPT_GRAB,
4654 show_help_options(options, "\nAudio/Video grab options:\n",
4658 show_help_children(avcodec_get_class(), flags);
4659 show_help_children(avformat_get_class(), flags);
4660 show_help_children(sws_get_class(), flags);
4665 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4667 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4668 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4670 if (!strncmp(arg, "pal-", 4)) {
4673 } else if (!strncmp(arg, "ntsc-", 5)) {
4676 } else if (!strncmp(arg, "film-", 5)) {
4680 /* Try to determine PAL/NTSC by peeking in the input files */
4681 if (nb_input_files) {
4683 for (j = 0; j < nb_input_files; j++) {
4684 for (i = 0; i < input_files[j].nb_streams; i++) {
4685 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4686 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4688 fr = c->time_base.den * 1000 / c->time_base.num;
4692 } else if ((fr == 29970) || (fr == 23976)) {
4697 if (norm != UNKNOWN)
4701 if (norm != UNKNOWN)
4702 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4705 if (norm == UNKNOWN) {
4706 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4707 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4708 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4712 if (!strcmp(arg, "vcd")) {
4713 opt_video_codec(o, "c:v", "mpeg1video");
4714 opt_audio_codec(o, "c:a", "mp2");
4715 parse_option(o, "f", "vcd", options);
4717 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4718 parse_option(o, "r", frame_rates[norm], options);
4719 opt_default("g", norm == PAL ? "15" : "18");
4721 opt_default("b:v", "1150000");
4722 opt_default("maxrate", "1150000");
4723 opt_default("minrate", "1150000");
4724 opt_default("bufsize", "327680"); // 40*1024*8;
4726 opt_default("b:a", "224000");
4727 parse_option(o, "ar", "44100", options);
4728 parse_option(o, "ac", "2", options);
4730 opt_default("packetsize", "2324");
4731 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4733 /* We have to offset the PTS, so that it is consistent with the SCR.
4734 SCR starts at 36000, but the first two packs contain only padding
4735 and the first pack from the other stream, respectively, may also have
4736 been written before.
4737 So the real data starts at SCR 36000+3*1200. */
4738 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4739 } else if (!strcmp(arg, "svcd")) {
4741 opt_video_codec(o, "c:v", "mpeg2video");
4742 opt_audio_codec(o, "c:a", "mp2");
4743 parse_option(o, "f", "svcd", options);
4745 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4746 parse_option(o, "r", frame_rates[norm], options);
4747 parse_option(o, "pix_fmt", "yuv420p", options);
4748 opt_default("g", norm == PAL ? "15" : "18");
4750 opt_default("b:v", "2040000");
4751 opt_default("maxrate", "2516000");
4752 opt_default("minrate", "0"); // 1145000;
4753 opt_default("bufsize", "1835008"); // 224*1024*8;
4754 opt_default("flags", "+scan_offset");
4757 opt_default("b:a", "224000");
4758 parse_option(o, "ar", "44100", options);
4760 opt_default("packetsize", "2324");
4762 } else if (!strcmp(arg, "dvd")) {
4764 opt_video_codec(o, "c:v", "mpeg2video");
4765 opt_audio_codec(o, "c:a", "ac3");
4766 parse_option(o, "f", "dvd", options);
4768 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4769 parse_option(o, "r", frame_rates[norm], options);
4770 parse_option(o, "pix_fmt", "yuv420p", options);
4771 opt_default("g", norm == PAL ? "15" : "18");
4773 opt_default("b:v", "6000000");
4774 opt_default("maxrate", "9000000");
4775 opt_default("minrate", "0"); // 1500000;
4776 opt_default("bufsize", "1835008"); // 224*1024*8;
4778 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4779 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4781 opt_default("b:a", "448000");
4782 parse_option(o, "ar", "48000", options);
4784 } else if (!strncmp(arg, "dv", 2)) {
4786 parse_option(o, "f", "dv", options);
4788 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4789 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4790 norm == PAL ? "yuv420p" : "yuv411p", options);
4791 parse_option(o, "r", frame_rates[norm], options);
4793 parse_option(o, "ar", "48000", options);
4794 parse_option(o, "ac", "2", options);
4797 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4798 return AVERROR(EINVAL);
4803 static int opt_vstats_file(const char *opt, const char *arg)
4805 av_free (vstats_filename);
4806 vstats_filename = av_strdup (arg);
4810 static int opt_vstats(const char *opt, const char *arg)
4813 time_t today2 = time(NULL);
4814 struct tm *today = localtime(&today2);
4816 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4818 return opt_vstats_file(opt, filename);
4821 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4823 return parse_option(o, "frames:v", arg, options);
4826 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4828 return parse_option(o, "frames:a", arg, options);
4831 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4833 return parse_option(o, "frames:d", arg, options);
4836 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4839 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4840 const char *codec_name = *opt == 'v' ? video_codec_name :
4841 *opt == 'a' ? audio_codec_name :
4842 subtitle_codec_name;
4844 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4845 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4846 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4848 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4853 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4854 if(line[0] == '#' && !e)
4856 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4858 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4861 if(!strcmp(tmp, "acodec")){
4862 opt_audio_codec(o, tmp, tmp2);
4863 }else if(!strcmp(tmp, "vcodec")){
4864 opt_video_codec(o, tmp, tmp2);
4865 }else if(!strcmp(tmp, "scodec")){
4866 opt_subtitle_codec(o, tmp, tmp2);
4867 }else if(!strcmp(tmp, "dcodec")){
4868 opt_data_codec(o, tmp, tmp2);
4869 }else if(opt_default(tmp, tmp2) < 0){
4870 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4880 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4884 static int opt_passlogfile(const char *opt, const char *arg)
4886 pass_logfilename_prefix = arg;
4887 #if CONFIG_LIBX264_ENCODER
4888 return opt_default("passlogfile", arg);
4894 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4896 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4897 int ret = parse_option(o, s, arg, options);
4902 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4904 if(!strcmp(opt, "b")){
4905 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4906 return parse_option(o, "b:v", arg, options);
4908 return opt_default(opt, arg);
4911 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4915 if(!strcmp(opt, "qscale")){
4916 av_log(0,AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4917 return parse_option(o, "q:v", arg, options);
4919 s = av_asprintf("q%s", opt + 6);
4920 ret = parse_option(o, s, arg, options);
4925 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4927 return parse_option(o, "filter:v", arg, options);
4930 static int opt_vsync(const char *opt, const char *arg)
4932 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4933 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4934 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4935 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4937 if (video_sync_method == VSYNC_AUTO)
4938 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4942 static int opt_deinterlace(const char *opt, const char *arg)
4944 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4949 #define OFFSET(x) offsetof(OptionsContext, x)
4950 static const OptionDef options[] = {
4952 #include "cmdutils_common_opts.h"
4953 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4954 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4955 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4956 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4957 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4958 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4959 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4960 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4961 { "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]" },
4962 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4963 "outfile[,metadata]:infile[,metadata]" },
4964 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4965 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4966 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4967 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4968 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4969 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4970 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4971 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4972 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4973 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4974 "add timings for benchmarking" },
4975 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4976 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4977 "dump each input packet" },
4978 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4979 "when dumping packets, also dump the payload" },
4980 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4981 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4982 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4983 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4984 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4985 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4986 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
4987 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4988 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4989 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4990 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4991 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4992 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4993 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4994 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
4996 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4998 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4999 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5000 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5003 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5004 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5005 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5006 { "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" },
5007 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5008 { "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" },
5009 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5010 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5011 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5012 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5013 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5014 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5015 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5016 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5017 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5018 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5019 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5020 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5021 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5022 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5023 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5024 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5025 "use same quantizer as source (implies VBR)" },
5026 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5027 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5028 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5029 "this option is deprecated, use the yadif filter instead" },
5030 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5031 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5032 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5034 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5036 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5037 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5038 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5039 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5040 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5041 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5042 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5043 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5044 { "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" },
5045 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5048 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5049 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5050 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5051 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5052 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5053 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5054 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5055 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5056 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5057 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5059 /* subtitle options */
5060 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5061 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5062 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5065 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5066 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5067 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5070 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5071 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5073 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5074 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5075 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5077 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5078 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5079 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5080 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5081 /* data codec support */
5082 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5083 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5085 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5089 int main(int argc, char **argv)
5091 OptionsContext o = { 0 };
5094 reset_options(&o, 0);
5096 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5097 parse_loglevel(argc, argv, options);
5099 if(argc>1 && !strcmp(argv[1], "-d")){
5101 av_log_set_callback(log_callback_null);
5106 avcodec_register_all();
5108 avdevice_register_all();
5111 avfilter_register_all();
5114 avformat_network_init();
5116 show_banner(argc, argv, options);
5121 parse_options(&o, argc, argv, options, opt_output_file);
5123 if (nb_output_files <= 0 && nb_input_files == 0) {
5125 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5129 /* file converter / grab */
5130 if (nb_output_files <= 0) {
5131 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5135 if (nb_input_files == 0) {
5136 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5141 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5143 ti = getutime() - ti;
5145 int maxrss = getmaxrss() / 1024;
5146 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);