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
101 const char program_name[] = "ffmpeg";
102 const int program_birth_year = 2000;
104 /* select an input stream for an output stream */
105 typedef struct StreamMap {
106 int disabled; /** 1 is this mapping is disabled by a negative map */
110 int sync_stream_index;
114 int file_idx, stream_idx, channel_idx; // input
115 int ofile_idx, ostream_idx; // output
119 * select an input file for an output file
121 typedef struct MetadataMap {
122 int file; ///< file index
123 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
124 int index; ///< stream/chapter/program number
127 static const OptionDef options[];
129 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
131 static int frame_bits_per_raw_sample = 0;
132 static int video_discard = 0;
133 static int same_quant = 0;
134 static int do_deinterlace = 0;
135 static int intra_dc_precision = 8;
136 static int loop_input = 0;
137 static int loop_output = AVFMT_NOOUTPUTLOOP;
138 static int qp_hist = 0;
139 static int intra_only = 0;
140 static const char *video_codec_name = NULL;
141 static const char *audio_codec_name = NULL;
142 static const char *subtitle_codec_name = NULL;
144 static int file_overwrite = 0;
145 static int no_file_overwrite = 0;
146 static int do_benchmark = 0;
147 static int do_hex_dump = 0;
148 static int do_pkt_dump = 0;
149 static int do_psnr = 0;
150 static int do_pass = 0;
151 static const char *pass_logfilename_prefix;
152 static int video_sync_method = VSYNC_AUTO;
153 static int audio_sync_method = 0;
154 static float audio_drift_threshold = 0.1;
155 static int copy_ts = 0;
156 static int copy_tb = -1;
157 static int opt_shortest = 0;
158 static char *vstats_filename;
159 static FILE *vstats_file;
161 static int audio_volume = 256;
163 static int exit_on_error = 0;
164 static int using_stdin = 0;
165 static int run_as_daemon = 0;
166 static volatile int received_nb_signals = 0;
167 static int64_t video_size = 0;
168 static int64_t audio_size = 0;
169 static int64_t extra_size = 0;
170 static int nb_frames_dup = 0;
171 static int nb_frames_drop = 0;
172 static int input_sync;
174 static float dts_delta_threshold = 10;
176 static int print_stats = 1;
178 static uint8_t *audio_buf;
179 static unsigned int allocated_audio_buf_size;
181 static uint8_t *input_tmp= NULL;
183 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
185 typedef struct FrameBuffer {
191 enum PixelFormat pix_fmt;
194 struct InputStream *ist;
195 struct FrameBuffer *next;
198 typedef struct InputStream {
201 int discard; /* true if stream data should be discarded */
202 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
204 AVFrame *decoded_frame;
205 AVFrame *filtered_frame;
207 int64_t start; /* time when read started */
208 int64_t next_pts; /* synthetic pts for cases where pkt.pts
210 int64_t pts; /* current pts */
212 int is_start; /* is 1 at the start and after a discontinuity */
213 int showed_multi_packet_warning;
216 /* a pool of free buffers for decoded data */
217 FrameBuffer *buffer_pool;
221 typedef struct InputFile {
222 AVFormatContext *ctx;
223 int eof_reached; /* true if eof reached */
224 int ist_index; /* index of first stream in input_streams */
225 int buffer_size; /* current total buffer size */
227 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
228 from ctx.nb_streams if new streams appear during av_read_frame() */
232 typedef struct OutputStream {
233 int file_index; /* file index */
234 int index; /* stream index in the output file */
235 int source_index; /* InputStream index */
236 AVStream *st; /* stream in the output file */
237 int encoding_needed; /* true if encoding needed for this stream */
239 /* input pts and corresponding output pts
241 struct InputStream *sync_ist; /* input stream to sync against */
242 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
243 AVBitStreamFilterContext *bitstream_filters;
246 AVFrame *output_frame;
250 AVFrame resample_frame; /* temporary frame for image resampling */
251 struct SwsContext *img_resample_ctx; /* for image resampling */
254 int resample_pix_fmt;
255 AVRational frame_rate;
259 float frame_aspect_ratio;
261 /* forced key frames */
262 int64_t *forced_kf_pts;
268 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
269 int audio_channels_mapped; ///< number of channels in audio_channels_map
270 int resample_sample_fmt;
271 int resample_channels;
272 int resample_sample_rate;
273 float rematrix_volume;
274 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
277 struct SwrContext *swr;
280 AVFilterContext *output_video_filter;
281 AVFilterContext *input_video_filter;
282 AVFilterBufferRef *picref;
284 AVFilterGraph *graph;
289 int is_past_recording_time;
291 const char *attachment_filename;
292 int copy_initial_nonkeyframes;
298 /* init terminal so that we can grab keys */
299 static struct termios oldtty;
300 static int restore_tty;
303 typedef struct OutputFile {
304 AVFormatContext *ctx;
306 int ost_index; /* index of the first stream in output_streams */
307 int64_t recording_time; /* desired length of the resulting file in microseconds */
308 int64_t start_time; /* start time in microseconds */
309 uint64_t limit_filesize;
312 static InputStream *input_streams = NULL;
313 static int nb_input_streams = 0;
314 static InputFile *input_files = NULL;
315 static int nb_input_files = 0;
317 static OutputStream *output_streams = NULL;
318 static int nb_output_streams = 0;
319 static OutputFile *output_files = NULL;
320 static int nb_output_files = 0;
322 typedef struct OptionsContext {
323 /* input/output options */
327 SpecifierOpt *codec_names;
329 SpecifierOpt *audio_channels;
330 int nb_audio_channels;
331 SpecifierOpt *audio_sample_rate;
332 int nb_audio_sample_rate;
333 SpecifierOpt *rematrix_volume;
334 int nb_rematrix_volume;
335 SpecifierOpt *frame_rates;
337 SpecifierOpt *frame_sizes;
339 SpecifierOpt *frame_pix_fmts;
340 int nb_frame_pix_fmts;
343 int64_t input_ts_offset;
346 SpecifierOpt *ts_scale;
348 SpecifierOpt *dump_attachment;
349 int nb_dump_attachment;
352 StreamMap *stream_maps;
354 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
355 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
356 /* first item specifies output metadata, second is input */
357 MetadataMap (*meta_data_maps)[2];
358 int nb_meta_data_maps;
359 int metadata_global_manual;
360 int metadata_streams_manual;
361 int metadata_chapters_manual;
362 const char **attachments;
365 int chapters_input_file;
367 int64_t recording_time;
368 uint64_t limit_filesize;
374 int subtitle_disable;
377 /* indexed by output file stream index */
381 SpecifierOpt *metadata;
383 SpecifierOpt *max_frames;
385 SpecifierOpt *bitstream_filters;
386 int nb_bitstream_filters;
387 SpecifierOpt *codec_tags;
389 SpecifierOpt *sample_fmts;
391 SpecifierOpt *qscale;
393 SpecifierOpt *forced_key_frames;
394 int nb_forced_key_frames;
395 SpecifierOpt *force_fps;
397 SpecifierOpt *frame_aspect_ratios;
398 int nb_frame_aspect_ratios;
399 SpecifierOpt *rc_overrides;
401 SpecifierOpt *intra_matrices;
402 int nb_intra_matrices;
403 SpecifierOpt *inter_matrices;
404 int nb_inter_matrices;
405 SpecifierOpt *top_field_first;
406 int nb_top_field_first;
407 SpecifierOpt *metadata_map;
409 SpecifierOpt *presets;
411 SpecifierOpt *copy_initial_nonkeyframes;
412 int nb_copy_initial_nonkeyframes;
414 SpecifierOpt *filters;
419 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
422 for (i = 0; i < o->nb_ ## name; i++) {\
423 char *spec = o->name[i].specifier;\
424 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
425 outvar = o->name[i].u.type;\
431 static void reset_options(OptionsContext *o, int is_input)
433 const OptionDef *po = options;
434 OptionsContext bak= *o;
436 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
438 void *dst = (uint8_t*)o + po->u.off;
440 if (po->flags & OPT_SPEC) {
441 SpecifierOpt **so = dst;
442 int i, *count = (int*)(so + 1);
443 for (i = 0; i < *count; i++) {
444 av_freep(&(*so)[i].specifier);
445 if (po->flags & OPT_STRING)
446 av_freep(&(*so)[i].u.str);
450 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
455 av_freep(&o->stream_maps);
456 av_freep(&o->audio_channel_maps);
457 av_freep(&o->meta_data_maps);
458 av_freep(&o->streamid_map);
460 memset(o, 0, sizeof(*o));
462 if(is_input) o->recording_time = bak.recording_time;
463 else o->recording_time = INT64_MAX;
464 o->mux_max_delay = 0.7;
465 o->limit_filesize = UINT64_MAX;
466 o->chapters_input_file = INT_MAX;
472 static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
474 AVCodecContext *s = ist->st->codec;
475 FrameBuffer *buf = av_mallocz(sizeof(*buf));
477 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
478 int h_chroma_shift, v_chroma_shift;
479 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
480 int w = s->width, h = s->height;
483 return AVERROR(ENOMEM);
485 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
490 avcodec_align_dimensions(s, &w, &h);
491 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
492 s->pix_fmt, 32)) < 0) {
496 /* XXX this shouldn't be needed, but some tests break without this line
497 * those decoders are buggy and need to be fixed.
498 * the following tests fail:
499 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
501 memset(buf->base[0], 128, ret);
503 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
504 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
505 const int h_shift = i==0 ? 0 : h_chroma_shift;
506 const int v_shift = i==0 ? 0 : v_chroma_shift;
507 if (s->flags & CODEC_FLAG_EMU_EDGE)
508 buf->data[i] = buf->base[i];
510 buf->data[i] = buf->base[i] +
511 FFALIGN((buf->linesize[i]*edge >> v_shift) +
512 (pixel_size*edge >> h_shift), 32);
516 buf->pix_fmt = s->pix_fmt;
523 static void free_buffer_pool(InputStream *ist)
525 FrameBuffer *buf = ist->buffer_pool;
527 ist->buffer_pool = buf->next;
528 av_freep(&buf->base[0]);
530 buf = ist->buffer_pool;
534 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
536 av_assert0(buf->refcount);
538 if (!buf->refcount) {
539 buf->next = ist->buffer_pool;
540 ist->buffer_pool = buf;
544 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
546 InputStream *ist = s->opaque;
550 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
553 buf = ist->buffer_pool;
554 ist->buffer_pool = buf->next;
556 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
557 av_freep(&buf->base[0]);
560 if ((ret = alloc_buffer(ist, &buf)) < 0)
566 frame->type = FF_BUFFER_TYPE_USER;
567 frame->extended_data = frame->data;
568 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
570 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
571 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
572 frame->data[i] = buf->data[i];
573 frame->linesize[i] = buf->linesize[i];
579 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
581 InputStream *ist = s->opaque;
582 FrameBuffer *buf = frame->opaque;
585 if(frame->type!=FF_BUFFER_TYPE_USER)
586 return avcodec_default_release_buffer(s, frame);
588 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
589 frame->data[i] = NULL;
591 unref_buffer(ist, buf);
594 static void filter_release_buffer(AVFilterBuffer *fb)
596 FrameBuffer *buf = fb->priv;
598 unref_buffer(buf->ist, buf);
603 static int configure_video_filters(InputStream *ist, OutputStream *ost)
605 AVFilterContext *last_filter, *filter;
606 /** filter graph containing all filters including input & output */
607 AVCodecContext *codec = ost->st->codec;
608 AVCodecContext *icodec = ist->st->codec;
609 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
610 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
611 AVRational sample_aspect_ratio;
615 ost->graph = avfilter_graph_alloc();
617 if (ist->st->sample_aspect_ratio.num) {
618 sample_aspect_ratio = ist->st->sample_aspect_ratio;
620 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
622 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
623 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
624 sample_aspect_ratio.num, sample_aspect_ratio.den);
626 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
627 "src", args, NULL, ost->graph);
630 #if FF_API_OLD_VSINK_API
631 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
632 "out", NULL, pix_fmts, ost->graph);
634 buffersink_params->pixel_fmts = pix_fmts;
635 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
636 "out", NULL, buffersink_params, ost->graph);
638 av_freep(&buffersink_params);
641 last_filter = ost->input_video_filter;
643 if (codec->width != icodec->width || codec->height != icodec->height) {
644 snprintf(args, 255, "%d:%d:flags=0x%X",
647 (unsigned)ost->sws_flags);
648 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
649 NULL, args, NULL, ost->graph)) < 0)
651 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
653 last_filter = filter;
656 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
657 ost->graph->scale_sws_opts = av_strdup(args);
660 AVFilterInOut *outputs = avfilter_inout_alloc();
661 AVFilterInOut *inputs = avfilter_inout_alloc();
663 outputs->name = av_strdup("in");
664 outputs->filter_ctx = last_filter;
665 outputs->pad_idx = 0;
666 outputs->next = NULL;
668 inputs->name = av_strdup("out");
669 inputs->filter_ctx = ost->output_video_filter;
673 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
675 av_freep(&ost->avfilter);
677 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
681 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
684 codec->width = ost->output_video_filter->inputs[0]->w;
685 codec->height = ost->output_video_filter->inputs[0]->h;
686 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
687 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
688 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
689 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
693 #endif /* CONFIG_AVFILTER */
695 static void term_exit(void)
697 av_log(NULL, AV_LOG_QUIET, "%s", "");
700 tcsetattr (0, TCSANOW, &oldtty);
704 static volatile int received_sigterm = 0;
706 static void sigterm_handler(int sig)
708 received_sigterm = sig;
709 received_nb_signals++;
711 if(received_nb_signals > 3)
715 static void term_init(void)
721 if (tcgetattr (0, &tty) == 0) {
726 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
727 |INLCR|IGNCR|ICRNL|IXON);
728 tty.c_oflag |= OPOST;
729 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
730 tty.c_cflag &= ~(CSIZE|PARENB);
735 tcsetattr (0, TCSANOW, &tty);
737 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
740 avformat_network_deinit();
742 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
743 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
745 signal(SIGXCPU, sigterm_handler);
749 /* read a key without blocking */
750 static int read_key(void)
762 n = select(1, &rfds, NULL, NULL, &tv);
771 # if HAVE_PEEKNAMEDPIPE
773 static HANDLE input_handle;
776 input_handle = GetStdHandle(STD_INPUT_HANDLE);
777 is_pipe = !GetConsoleMode(input_handle, &dw);
780 if (stdin->_cnt > 0) {
785 /* When running under a GUI, you will end here. */
786 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
803 static int decode_interrupt_cb(void *ctx)
805 return received_nb_signals > 1;
808 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
810 void av_noreturn exit_program(int ret)
815 for (i = 0; i < nb_output_files; i++) {
816 AVFormatContext *s = output_files[i].ctx;
817 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
819 avformat_free_context(s);
820 av_dict_free(&output_files[i].opts);
822 for (i = 0; i < nb_output_streams; i++) {
823 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
825 AVBitStreamFilterContext *next = bsfc->next;
826 av_bitstream_filter_close(bsfc);
829 output_streams[i].bitstream_filters = NULL;
831 if (output_streams[i].output_frame) {
832 AVFrame *frame = output_streams[i].output_frame;
833 if (frame->extended_data != frame->data)
834 av_freep(&frame->extended_data);
838 for (i = 0; i < nb_input_files; i++) {
839 avformat_close_input(&input_files[i].ctx);
841 for (i = 0; i < nb_input_streams; i++) {
842 av_freep(&input_streams[i].decoded_frame);
843 av_freep(&input_streams[i].filtered_frame);
844 av_dict_free(&input_streams[i].opts);
845 free_buffer_pool(&input_streams[i]);
850 av_free(vstats_filename);
852 av_freep(&input_streams);
853 av_freep(&input_files);
854 av_freep(&output_streams);
855 av_freep(&output_files);
859 allocated_audio_buf_size = 0;
864 avformat_network_deinit();
866 av_freep(&input_tmp);
868 if (received_sigterm) {
869 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
870 (int) received_sigterm);
874 exit(ret); /* not all OS-es handle main() return value */
877 static void assert_avoptions(AVDictionary *m)
879 AVDictionaryEntry *t;
880 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
881 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
886 static void assert_codec_experimental(AVCodecContext *c, int encoder)
888 const char *codec_string = encoder ? "encoder" : "decoder";
890 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
891 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
892 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
893 "results.\nAdd '-strict experimental' if you want to use it.\n",
894 codec_string, c->codec->name);
895 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
896 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
897 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
898 codec_string, codec->name);
903 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
905 if (codec && codec->sample_fmts) {
906 const enum AVSampleFormat *p = codec->sample_fmts;
907 for (; *p != -1; p++) {
908 if (*p == st->codec->sample_fmt)
912 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
913 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
914 if(av_get_sample_fmt_name(st->codec->sample_fmt))
915 av_log(NULL, AV_LOG_WARNING,
916 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
917 av_get_sample_fmt_name(st->codec->sample_fmt),
919 av_get_sample_fmt_name(codec->sample_fmts[0]));
920 st->codec->sample_fmt = codec->sample_fmts[0];
925 static void choose_sample_rate(AVStream *st, AVCodec *codec)
927 if (codec && codec->supported_samplerates) {
928 const int *p = codec->supported_samplerates;
930 int best_dist = INT_MAX;
932 int dist = abs(st->codec->sample_rate - *p);
933 if (dist < best_dist) {
939 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
941 st->codec->sample_rate = best;
945 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
947 if (codec && codec->pix_fmts) {
948 const enum PixelFormat *p = codec->pix_fmts;
949 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
950 enum PixelFormat best= PIX_FMT_NONE;
951 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
952 if (st->codec->codec_id == CODEC_ID_MJPEG) {
953 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
954 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
955 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
956 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
959 for (; *p != PIX_FMT_NONE; p++) {
960 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
961 if (*p == st->codec->pix_fmt)
964 if (*p == PIX_FMT_NONE) {
965 if (st->codec->pix_fmt != PIX_FMT_NONE)
966 av_log(NULL, AV_LOG_WARNING,
967 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
968 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
970 av_pix_fmt_descriptors[best].name);
971 st->codec->pix_fmt = best;
976 static double get_sync_ipts(const OutputStream *ost)
978 const InputStream *ist = ost->sync_ist;
979 OutputFile *of = &output_files[ost->file_index];
980 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
983 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
985 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
986 AVCodecContext *avctx = ost->st->codec;
990 * Audio encoders may split the packets -- #frames in != #packets out.
991 * But there is no reordering, so we can limit the number of output packets
992 * by simply dropping them here.
993 * Counting encoded video frames needs to be done separately because of
994 * reordering, see do_video_out()
996 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
997 if (ost->frame_number >= ost->max_frames)
1003 AVPacket new_pkt = *pkt;
1004 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1005 &new_pkt.data, &new_pkt.size,
1006 pkt->data, pkt->size,
1007 pkt->flags & AV_PKT_FLAG_KEY);
1009 av_free_packet(pkt);
1010 new_pkt.destruct = av_destruct_packet;
1012 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1013 bsfc->filter->name, pkt->stream_index,
1014 avctx->codec ? avctx->codec->name : "copy");
1024 ret = av_interleaved_write_frame(s, pkt);
1026 print_error("av_interleaved_write_frame()", ret);
1031 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1033 int fill_char = 0x00;
1034 if (sample_fmt == AV_SAMPLE_FMT_U8)
1036 memset(buf, fill_char, size);
1039 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1040 const uint8_t *buf, int buf_size)
1042 AVCodecContext *enc = ost->st->codec;
1043 AVFrame *frame = NULL;
1045 int ret, got_packet;
1047 av_init_packet(&pkt);
1052 if (!ost->output_frame) {
1053 ost->output_frame = avcodec_alloc_frame();
1054 if (!ost->output_frame) {
1055 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1059 frame = ost->output_frame;
1060 if (frame->extended_data != frame->data)
1061 av_freep(&frame->extended_data);
1062 avcodec_get_frame_defaults(frame);
1064 frame->nb_samples = buf_size /
1065 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1066 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1067 buf, buf_size, 1)) < 0) {
1068 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1074 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1075 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1082 pkt.stream_index = ost->index;
1083 if (pkt.pts != AV_NOPTS_VALUE)
1084 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1085 if (pkt.duration > 0)
1086 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1088 write_frame(s, &pkt, ost);
1090 audio_size += pkt.size;
1092 av_free_packet(&pkt);
1096 ost->sync_opts += frame->nb_samples;
1101 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1102 InputStream *ist, AVFrame *decoded_frame)
1105 int64_t audio_buf_size, size_out;
1107 int frame_bytes, resample_changed;
1108 AVCodecContext *enc = ost->st->codec;
1109 AVCodecContext *dec = ist->st->codec;
1110 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1111 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1112 uint8_t *buf = decoded_frame->data[0];
1113 int size = decoded_frame->nb_samples * dec->channels * isize;
1114 int64_t allocated_for_size = size;
1117 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1118 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1119 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1120 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1121 audio_buf_size *= osize * enc->channels;
1123 if (audio_buf_size > INT_MAX) {
1124 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1128 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1130 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1134 if (enc->channels != dec->channels
1135 || enc->sample_fmt != dec->sample_fmt
1136 || enc->sample_rate!= dec->sample_rate
1138 ost->audio_resample = 1;
1140 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1141 ost->resample_channels != dec->channels ||
1142 ost->resample_sample_rate != dec->sample_rate;
1144 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1145 if (resample_changed) {
1146 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",
1147 ist->file_index, ist->st->index,
1148 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1149 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1150 ost->resample_sample_fmt = dec->sample_fmt;
1151 ost->resample_channels = dec->channels;
1152 ost->resample_sample_rate = dec->sample_rate;
1153 swr_free(&ost->swr);
1155 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1156 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1157 ost->resample_sample_fmt == enc->sample_fmt &&
1158 ost->resample_channels == enc->channels &&
1159 ost->resample_sample_rate == enc->sample_rate) {
1161 ost->audio_resample = 0;
1163 ost->swr = swr_alloc_set_opts(ost->swr,
1164 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1165 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1167 if (ost->audio_channels_mapped)
1168 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1169 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1170 if (ost->audio_channels_mapped) {
1171 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1172 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1174 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1175 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1178 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1179 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1182 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1183 if(ost->swr && swr_init(ost->swr) < 0){
1184 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1185 swr_free(&ost->swr);
1189 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1190 dec->channels, dec->sample_rate,
1191 enc->channels, enc->sample_rate);
1197 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1199 if (audio_sync_method) {
1200 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1201 av_fifo_size(ost->fifo) / (enc->channels * osize);
1202 int idelta = delta * dec->sample_rate / enc->sample_rate;
1203 int byte_delta = idelta * isize * dec->channels;
1205 // FIXME resample delay
1206 if (fabs(delta) > 50) {
1207 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1208 if (byte_delta < 0) {
1209 byte_delta = FFMAX(byte_delta, -size);
1212 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1213 -byte_delta / (isize * dec->channels));
1218 input_tmp = av_realloc(input_tmp, byte_delta + size);
1220 if (byte_delta > allocated_for_size - size) {
1221 allocated_for_size = byte_delta + (int64_t)size;
1226 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1227 memcpy(input_tmp + byte_delta, buf, size);
1230 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1232 } else if (audio_sync_method > 1) {
1233 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1234 av_assert0(ost->audio_resample);
1235 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1236 delta, comp, enc->sample_rate);
1237 // 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));
1238 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1242 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1243 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1245 if (ost->audio_resample) {
1247 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1248 (const uint8_t*[]){buf }, size / (dec->channels * isize));
1249 size_out = size_out * enc->channels * osize;
1255 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1257 /* now encode as many frames as possible */
1258 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1259 /* output resampled raw samples */
1260 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1261 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1264 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1266 frame_bytes = enc->frame_size * osize * enc->channels;
1268 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1269 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1270 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1273 encode_audio_frame(s, ost, buftmp, size_out);
1277 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1279 AVCodecContext *dec;
1280 AVPicture *picture2;
1281 AVPicture picture_tmp;
1284 dec = ist->st->codec;
1286 /* deinterlace : must be done before any resize */
1287 if (do_deinterlace) {
1290 /* create temporary picture */
1291 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1292 buf = av_malloc(size);
1296 picture2 = &picture_tmp;
1297 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1299 if (avpicture_deinterlace(picture2, picture,
1300 dec->pix_fmt, dec->width, dec->height) < 0) {
1301 /* if error, do not deinterlace */
1302 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1311 if (picture != picture2)
1312 *picture = *picture2;
1316 static void do_subtitle_out(AVFormatContext *s,
1322 static uint8_t *subtitle_out = NULL;
1323 int subtitle_out_max_size = 1024 * 1024;
1324 int subtitle_out_size, nb, i;
1325 AVCodecContext *enc;
1328 if (pts == AV_NOPTS_VALUE) {
1329 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1335 enc = ost->st->codec;
1337 if (!subtitle_out) {
1338 subtitle_out = av_malloc(subtitle_out_max_size);
1341 /* Note: DVB subtitle need one packet to draw them and one other
1342 packet to clear them */
1343 /* XXX: signal it in the codec context ? */
1344 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1349 for (i = 0; i < nb; i++) {
1350 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1351 // start_display_time is required to be 0
1352 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1353 sub->end_display_time -= sub->start_display_time;
1354 sub->start_display_time = 0;
1355 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1356 subtitle_out_max_size, sub);
1357 if (subtitle_out_size < 0) {
1358 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1362 av_init_packet(&pkt);
1363 pkt.stream_index = ost->index;
1364 pkt.data = subtitle_out;
1365 pkt.size = subtitle_out_size;
1366 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1367 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1368 /* XXX: the pts correction is handled here. Maybe handling
1369 it in the codec would be better */
1371 pkt.pts += 90 * sub->start_display_time;
1373 pkt.pts += 90 * sub->end_display_time;
1375 write_frame(s, &pkt, ost);
1379 static int bit_buffer_size = 1024 * 256;
1380 static uint8_t *bit_buffer = NULL;
1382 static void do_video_resample(OutputStream *ost,
1384 AVFrame *in_picture,
1385 AVFrame **out_picture)
1388 *out_picture = in_picture;
1390 AVCodecContext *dec = ist->st->codec;
1391 AVCodecContext *enc = ost->st->codec;
1392 int resample_changed = ost->resample_width != in_picture->width ||
1393 ost->resample_height != in_picture->height ||
1394 ost->resample_pix_fmt != in_picture->format;
1396 *out_picture = in_picture;
1397 if (resample_changed) {
1398 av_log(NULL, AV_LOG_INFO,
1399 "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",
1400 ist->file_index, ist->st->index,
1401 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1402 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1403 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1404 ost->resample_width = in_picture->width;
1405 ost->resample_height = in_picture->height;
1406 ost->resample_pix_fmt = in_picture->format;
1409 ost->video_resample = in_picture->width != enc->width ||
1410 in_picture->height != enc->height ||
1411 in_picture->format != enc->pix_fmt;
1413 if (ost->video_resample) {
1414 *out_picture = &ost->resample_frame;
1415 if (!ost->img_resample_ctx || resample_changed) {
1416 /* initialize the destination picture */
1417 if (!ost->resample_frame.data[0]) {
1418 avcodec_get_frame_defaults(&ost->resample_frame);
1419 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1420 enc->width, enc->height)) {
1421 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1425 /* initialize a new scaler context */
1426 sws_freeContext(ost->img_resample_ctx);
1427 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1428 enc->width, enc->height, enc->pix_fmt,
1429 ost->sws_flags, NULL, NULL, NULL);
1430 if (ost->img_resample_ctx == NULL) {
1431 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1435 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1436 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1442 static void do_video_out(AVFormatContext *s,
1445 AVFrame *in_picture,
1446 int *frame_size, float quality)
1448 int nb_frames, i, ret, format_video_sync;
1449 AVFrame *final_picture;
1450 AVCodecContext *enc;
1452 double duration = 0;
1454 enc = ost->st->codec;
1456 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1457 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1458 if(ist->st->avg_frame_rate.num)
1459 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1461 duration /= av_q2d(enc->time_base);
1464 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1466 /* by default, we output a single frame */
1471 format_video_sync = video_sync_method;
1472 if (format_video_sync == VSYNC_AUTO)
1473 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1475 if (format_video_sync != VSYNC_PASSTHROUGH) {
1476 double vdelta = sync_ipts - ost->sync_opts + duration;
1477 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1480 else if (format_video_sync == VSYNC_VFR) {
1481 if (vdelta <= -0.6) {
1483 } else if (vdelta > 0.6)
1484 ost->sync_opts = lrintf(sync_ipts);
1485 } else if (vdelta > 1.1)
1486 nb_frames = lrintf(vdelta);
1487 //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);
1488 if (nb_frames == 0) {
1490 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1491 } else if (nb_frames > 1) {
1492 nb_frames_dup += nb_frames - 1;
1493 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1496 ost->sync_opts = lrintf(sync_ipts);
1498 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1502 do_video_resample(ost, ist, in_picture, &final_picture);
1504 /* duplicates frame if needed */
1505 for (i = 0; i < nb_frames; i++) {
1507 av_init_packet(&pkt);
1508 pkt.stream_index = ost->index;
1510 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1511 enc->codec->id == CODEC_ID_RAWVIDEO) {
1512 /* raw pictures are written as AVPicture structure to
1513 avoid any copies. We support temporarily the older
1515 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1516 enc->coded_frame->top_field_first = in_picture->top_field_first;
1517 pkt.data = (uint8_t *)final_picture;
1518 pkt.size = sizeof(AVPicture);
1519 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1520 pkt.flags |= AV_PKT_FLAG_KEY;
1522 write_frame(s, &pkt, ost);
1524 AVFrame big_picture;
1526 big_picture = *final_picture;
1527 /* better than nothing: use input picture interlaced
1529 big_picture.interlaced_frame = in_picture->interlaced_frame;
1530 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1531 if (ost->top_field_first == -1)
1532 big_picture.top_field_first = in_picture->top_field_first;
1534 big_picture.top_field_first = !!ost->top_field_first;
1537 /* handles same_quant here. This is not correct because it may
1538 not be a global option */
1539 big_picture.quality = quality;
1540 if (!enc->me_threshold)
1541 big_picture.pict_type = 0;
1542 // big_picture.pts = AV_NOPTS_VALUE;
1543 big_picture.pts = ost->sync_opts;
1544 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1545 // av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1546 if (ost->forced_kf_index < ost->forced_kf_count &&
1547 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1548 big_picture.pict_type = AV_PICTURE_TYPE_I;
1549 ost->forced_kf_index++;
1551 ret = avcodec_encode_video(enc,
1552 bit_buffer, bit_buffer_size,
1555 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1560 pkt.data = bit_buffer;
1562 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1563 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1564 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1565 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1566 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1568 if (enc->coded_frame->key_frame)
1569 pkt.flags |= AV_PKT_FLAG_KEY;
1570 write_frame(s, &pkt, ost);
1573 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1574 // enc->frame_number-1, ret, enc->pict_type);
1575 /* if two pass, output log */
1576 if (ost->logfile && enc->stats_out) {
1577 fprintf(ost->logfile, "%s", enc->stats_out);
1583 * For video, number of frames in == number of packets out.
1584 * But there may be reordering, so we can't throw away frames on encoder
1585 * flush, we need to limit them here, before they go into encoder.
1587 ost->frame_number++;
1591 static double psnr(double d)
1593 return -10.0 * log(d) / log(10.0);
1596 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1599 AVCodecContext *enc;
1601 double ti1, bitrate, avg_bitrate;
1603 /* this is executed just the first time do_video_stats is called */
1605 vstats_file = fopen(vstats_filename, "w");
1612 enc = ost->st->codec;
1613 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1614 frame_number = ost->frame_number;
1615 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1616 if (enc->flags&CODEC_FLAG_PSNR)
1617 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1619 fprintf(vstats_file,"f_size= %6d ", frame_size);
1620 /* compute pts value */
1621 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1625 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1626 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1627 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1628 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1629 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1633 static void print_report(OutputFile *output_files,
1634 OutputStream *ost_table, int nb_ostreams,
1635 int is_last_report, int64_t timer_start, int64_t cur_time)
1639 AVFormatContext *oc;
1641 AVCodecContext *enc;
1642 int frame_number, vid, i;
1644 int64_t pts = INT64_MAX;
1645 static int64_t last_time = -1;
1646 static int qp_histogram[52];
1647 int hours, mins, secs, us;
1649 if (!print_stats && !is_last_report)
1652 if (!is_last_report) {
1653 if (last_time == -1) {
1654 last_time = cur_time;
1657 if ((cur_time - last_time) < 500000)
1659 last_time = cur_time;
1663 oc = output_files[0].ctx;
1665 total_size = avio_size(oc->pb);
1666 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1667 total_size = avio_tell(oc->pb);
1674 for (i = 0; i < nb_ostreams; i++) {
1676 ost = &ost_table[i];
1677 enc = ost->st->codec;
1678 if (!ost->stream_copy && enc->coded_frame)
1679 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1680 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1681 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1683 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1684 float t = (cur_time-timer_start) / 1000000.0;
1686 frame_number = ost->frame_number;
1687 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1688 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1690 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1694 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1696 for (j = 0; j < 32; j++)
1697 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1699 if (enc->flags&CODEC_FLAG_PSNR) {
1701 double error, error_sum = 0;
1702 double scale, scale_sum = 0;
1703 char type[3] = { 'Y','U','V' };
1704 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1705 for (j = 0; j < 3; j++) {
1706 if (is_last_report) {
1707 error = enc->error[j];
1708 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1710 error = enc->coded_frame->error[j];
1711 scale = enc->width * enc->height * 255.0 * 255.0;
1717 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1719 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1723 /* compute min output value */
1724 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1725 ost->st->time_base, AV_TIME_BASE_Q));
1728 secs = pts / AV_TIME_BASE;
1729 us = pts % AV_TIME_BASE;
1735 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1737 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1738 "size=%8.0fkB time=", total_size / 1024.0);
1739 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1740 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1741 (100 * us) / AV_TIME_BASE);
1742 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1743 "bitrate=%6.1fkbits/s", bitrate);
1745 if (nb_frames_dup || nb_frames_drop)
1746 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1747 nb_frames_dup, nb_frames_drop);
1749 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1753 if (is_last_report) {
1754 int64_t raw= audio_size + video_size + extra_size;
1755 av_log(NULL, AV_LOG_INFO, "\n");
1756 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1757 video_size / 1024.0,
1758 audio_size / 1024.0,
1759 extra_size / 1024.0,
1760 100.0 * (total_size - raw) / raw
1762 if(video_size + audio_size + extra_size == 0){
1763 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1768 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1772 for (i = 0; i < nb_ostreams; i++) {
1773 OutputStream *ost = &ost_table[i];
1774 AVCodecContext *enc = ost->st->codec;
1775 AVFormatContext *os = output_files[ost->file_index].ctx;
1776 int stop_encoding = 0;
1778 if (!ost->encoding_needed)
1781 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1783 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1789 av_init_packet(&pkt);
1793 switch (ost->st->codec->codec_type) {
1794 case AVMEDIA_TYPE_AUDIO:
1795 fifo_bytes = av_fifo_size(ost->fifo);
1796 if (fifo_bytes > 0) {
1797 /* encode any samples remaining in fifo */
1798 int frame_bytes = fifo_bytes;
1800 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1802 /* pad last frame with silence if needed */
1803 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1804 frame_bytes = enc->frame_size * enc->channels *
1805 av_get_bytes_per_sample(enc->sample_fmt);
1806 if (allocated_audio_buf_size < frame_bytes)
1808 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1810 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1812 /* flush encoder with NULL frames until it is done
1813 returning packets */
1814 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1820 case AVMEDIA_TYPE_VIDEO:
1821 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1823 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1827 if (enc->coded_frame && enc->coded_frame->key_frame)
1828 pkt.flags |= AV_PKT_FLAG_KEY;
1829 if (ost->logfile && enc->stats_out) {
1830 fprintf(ost->logfile, "%s", enc->stats_out);
1836 pkt.stream_index = ost->index;
1837 pkt.data = bit_buffer;
1839 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1840 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1841 write_frame(os, &pkt, ost);
1853 * Check whether a packet from ist should be written into ost at this time
1855 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1857 OutputFile *of = &output_files[ost->file_index];
1858 int ist_index = ist - input_streams;
1860 if (ost->source_index != ist_index)
1863 if (of->start_time && ist->pts < of->start_time)
1866 if (of->recording_time != INT64_MAX &&
1867 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1868 (AVRational){ 1, 1000000 }) >= 0) {
1869 ost->is_past_recording_time = 1;
1876 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1878 OutputFile *of = &output_files[ost->file_index];
1879 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1883 av_init_packet(&opkt);
1885 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1886 !ost->copy_initial_nonkeyframes)
1889 /* force the input stream PTS */
1890 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1891 audio_size += pkt->size;
1892 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1893 video_size += pkt->size;
1897 opkt.stream_index = ost->index;
1898 if (pkt->pts != AV_NOPTS_VALUE)
1899 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1901 opkt.pts = AV_NOPTS_VALUE;
1903 if (pkt->dts == AV_NOPTS_VALUE)
1904 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1906 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1907 opkt.dts -= ost_tb_start_time;
1909 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1910 opkt.flags = pkt->flags;
1912 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1913 if ( ost->st->codec->codec_id != CODEC_ID_H264
1914 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1915 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1917 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1918 opkt.destruct = av_destruct_packet;
1920 opkt.data = pkt->data;
1921 opkt.size = pkt->size;
1923 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1924 /* store AVPicture in AVPacket, as expected by the output format */
1925 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1926 opkt.data = (uint8_t *)&pict;
1927 opkt.size = sizeof(AVPicture);
1928 opkt.flags |= AV_PKT_FLAG_KEY;
1931 write_frame(of->ctx, &opkt, ost);
1932 ost->st->codec->frame_number++;
1933 av_free_packet(&opkt);
1936 static void rate_emu_sleep(InputStream *ist)
1938 if (input_files[ist->file_index].rate_emu) {
1939 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1940 int64_t now = av_gettime() - ist->start;
1946 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1948 AVFrame *decoded_frame;
1949 AVCodecContext *avctx = ist->st->codec;
1950 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1953 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1954 return AVERROR(ENOMEM);
1956 avcodec_get_frame_defaults(ist->decoded_frame);
1957 decoded_frame = ist->decoded_frame;
1959 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1965 /* no audio frame */
1969 /* if the decoder provides a pts, use it instead of the last packet pts.
1970 the decoder could be delaying output by a packet or more. */
1971 if (decoded_frame->pts != AV_NOPTS_VALUE)
1972 ist->next_pts = decoded_frame->pts;
1974 /* increment next_pts to use for the case where the input stream does not
1975 have timestamps or there are multiple frames in the packet */
1976 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1979 // preprocess audio (volume)
1980 if (audio_volume != 256) {
1981 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1982 void *samples = decoded_frame->data[0];
1983 switch (avctx->sample_fmt) {
1984 case AV_SAMPLE_FMT_U8:
1986 uint8_t *volp = samples;
1987 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1988 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1989 *volp++ = av_clip_uint8(v);
1993 case AV_SAMPLE_FMT_S16:
1995 int16_t *volp = samples;
1996 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1997 int v = ((*volp) * audio_volume + 128) >> 8;
1998 *volp++ = av_clip_int16(v);
2002 case AV_SAMPLE_FMT_S32:
2004 int32_t *volp = samples;
2005 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2006 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2007 *volp++ = av_clipl_int32(v);
2011 case AV_SAMPLE_FMT_FLT:
2013 float *volp = samples;
2014 float scale = audio_volume / 256.f;
2015 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2020 case AV_SAMPLE_FMT_DBL:
2022 double *volp = samples;
2023 double scale = audio_volume / 256.;
2024 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2030 av_log(NULL, AV_LOG_FATAL,
2031 "Audio volume adjustment on sample format %s is not supported.\n",
2032 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2037 rate_emu_sleep(ist);
2039 for (i = 0; i < nb_output_streams; i++) {
2040 OutputStream *ost = &output_streams[i];
2042 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2044 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2050 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts, int64_t *pkt_dts)
2052 AVFrame *decoded_frame, *filtered_frame = NULL;
2053 void *buffer_to_free = NULL;
2057 int frame_available = 1;
2060 int64_t *best_effort_timestamp;
2061 AVRational *frame_sample_aspect;
2063 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2064 return AVERROR(ENOMEM);
2066 avcodec_get_frame_defaults(ist->decoded_frame);
2067 decoded_frame = ist->decoded_frame;
2068 pkt->pts = *pkt_pts;
2069 pkt->dts = *pkt_dts;
2070 *pkt_pts = AV_NOPTS_VALUE;
2072 if (pkt->duration) {
2073 duration = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2074 } else if(ist->st->codec->time_base.num != 0) {
2075 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2076 duration = ((int64_t)AV_TIME_BASE *
2077 ist->st->codec->time_base.num * ticks) /
2078 ist->st->codec->time_base.den;
2081 if(*pkt_dts != AV_NOPTS_VALUE && duration) {
2082 *pkt_dts += duration;
2084 *pkt_dts = AV_NOPTS_VALUE;
2086 ret = avcodec_decode_video2(ist->st->codec,
2087 decoded_frame, got_output, pkt);
2091 quality = same_quant ? decoded_frame->quality : 0;
2093 /* no picture yet */
2097 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2098 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2099 ist->next_pts = ist->pts = *best_effort_timestamp;
2101 ist->next_pts += duration;
2104 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2107 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2108 for(i=0;i<nb_output_streams;i++) {
2109 OutputStream *ost = ost = &output_streams[i];
2110 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2111 if (!frame_sample_aspect->num)
2112 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2113 decoded_frame->pts = ist->pts;
2114 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2115 FrameBuffer *buf = decoded_frame->opaque;
2116 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2117 decoded_frame->data, decoded_frame->linesize,
2118 AV_PERM_READ | AV_PERM_PRESERVE,
2119 ist->st->codec->width, ist->st->codec->height,
2120 ist->st->codec->pix_fmt);
2122 avfilter_copy_frame_props(fb, decoded_frame);
2124 fb->buf->priv = buf;
2125 fb->buf->free = filter_release_buffer;
2128 av_buffersrc_buffer(ost->input_video_filter, fb);
2130 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2131 av_log(0, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2138 rate_emu_sleep(ist);
2140 for (i = 0; i < nb_output_streams; i++) {
2141 OutputStream *ost = &output_streams[i];
2144 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2148 if (ost->input_video_filter) {
2149 frame_available = av_buffersink_poll_frame(ost->output_video_filter);
2151 while (frame_available) {
2152 if (ost->output_video_filter) {
2153 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2154 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2155 av_log(0, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2158 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2159 av_free(buffer_to_free);
2160 return AVERROR(ENOMEM);
2162 avcodec_get_frame_defaults(ist->filtered_frame);
2163 filtered_frame = ist->filtered_frame;
2164 *filtered_frame= *decoded_frame; //for me_threshold
2166 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2167 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2170 if (ost->picref->video && !ost->frame_aspect_ratio)
2171 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2173 filtered_frame = decoded_frame;
2176 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2177 same_quant ? quality : ost->st->codec->global_quality);
2178 if (vstats_filename && frame_size)
2179 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2182 frame_available = ost->output_video_filter && av_buffersink_poll_frame(ost->output_video_filter);
2183 avfilter_unref_buffer(ost->picref);
2188 av_free(buffer_to_free);
2192 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2194 AVSubtitle subtitle;
2195 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2196 &subtitle, got_output, pkt);
2202 rate_emu_sleep(ist);
2204 for (i = 0; i < nb_output_streams; i++) {
2205 OutputStream *ost = &output_streams[i];
2207 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2210 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2213 avsubtitle_free(&subtitle);
2217 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2218 static int output_packet(InputStream *ist,
2219 OutputStream *ost_table, int nb_ostreams,
2220 const AVPacket *pkt)
2224 int64_t pkt_dts = AV_NOPTS_VALUE;
2225 int64_t pkt_pts = AV_NOPTS_VALUE;
2229 if (ist->next_pts == AV_NOPTS_VALUE)
2230 ist->next_pts = ist->pts;
2234 av_init_packet(&avpkt);
2242 if (pkt->dts != AV_NOPTS_VALUE) {
2243 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2244 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2245 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2247 if(pkt->pts != AV_NOPTS_VALUE)
2248 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2250 // while we have more to decode or while the decoder did output something on EOF
2251 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2254 ist->pts = ist->next_pts;
2256 if (avpkt.size && avpkt.size != pkt->size) {
2257 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2258 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2259 ist->showed_multi_packet_warning = 1;
2262 switch (ist->st->codec->codec_type) {
2263 case AVMEDIA_TYPE_AUDIO:
2264 ret = transcode_audio (ist, &avpkt, &got_output);
2266 case AVMEDIA_TYPE_VIDEO:
2267 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts, &pkt_dts);
2269 case AVMEDIA_TYPE_SUBTITLE:
2270 ret = transcode_subtitles(ist, &avpkt, &got_output);
2280 avpkt.pts= AV_NOPTS_VALUE;
2282 // touch data and size only if not EOF
2284 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2294 /* handle stream copy */
2295 if (!ist->decoding_needed) {
2296 rate_emu_sleep(ist);
2297 ist->pts = ist->next_pts;
2298 switch (ist->st->codec->codec_type) {
2299 case AVMEDIA_TYPE_AUDIO:
2300 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2301 ist->st->codec->sample_rate;
2303 case AVMEDIA_TYPE_VIDEO:
2304 if (pkt->duration) {
2305 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2306 } else if(ist->st->codec->time_base.num != 0) {
2307 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2308 ist->next_pts += ((int64_t)AV_TIME_BASE *
2309 ist->st->codec->time_base.num * ticks) /
2310 ist->st->codec->time_base.den;
2315 for (i = 0; pkt && i < nb_ostreams; i++) {
2316 OutputStream *ost = &ost_table[i];
2318 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2321 do_streamcopy(ist, ost, pkt);
2327 static void print_sdp(OutputFile *output_files, int n)
2331 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2335 for (i = 0; i < n; i++)
2336 avc[i] = output_files[i].ctx;
2338 av_sdp_create(avc, n, sdp, sizeof(sdp));
2339 printf("SDP:\n%s\n", sdp);
2344 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2345 char *error, int error_len)
2347 InputStream *ist = &input_streams[ist_index];
2348 if (ist->decoding_needed) {
2349 AVCodec *codec = ist->dec;
2351 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2352 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2353 return AVERROR(EINVAL);
2356 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2357 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2358 ist->st->codec->get_buffer = codec_get_buffer;
2359 ist->st->codec->release_buffer = codec_release_buffer;
2360 ist->st->codec->opaque = ist;
2363 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2364 av_dict_set(&ist->opts, "threads", "auto", 0);
2365 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2366 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2367 ist->file_index, ist->st->index);
2368 return AVERROR(EINVAL);
2370 assert_codec_experimental(ist->st->codec, 0);
2371 assert_avoptions(ist->opts);
2374 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;
2375 ist->next_pts = AV_NOPTS_VALUE;
2381 static int transcode_init(OutputFile *output_files, int nb_output_files,
2382 InputFile *input_files, int nb_input_files)
2384 int ret = 0, i, j, k;
2385 AVFormatContext *oc;
2386 AVCodecContext *codec, *icodec;
2392 /* init framerate emulation */
2393 for (i = 0; i < nb_input_files; i++) {
2394 InputFile *ifile = &input_files[i];
2395 if (ifile->rate_emu)
2396 for (j = 0; j < ifile->nb_streams; j++)
2397 input_streams[j + ifile->ist_index].start = av_gettime();
2400 /* output stream init */
2401 for (i = 0; i < nb_output_files; i++) {
2402 oc = output_files[i].ctx;
2403 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2404 av_dump_format(oc, i, oc->filename, 1);
2405 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2406 return AVERROR(EINVAL);
2410 /* for each output stream, we compute the right encoding parameters */
2411 for (i = 0; i < nb_output_streams; i++) {
2412 ost = &output_streams[i];
2413 oc = output_files[ost->file_index].ctx;
2414 ist = &input_streams[ost->source_index];
2416 if (ost->attachment_filename)
2419 codec = ost->st->codec;
2420 icodec = ist->st->codec;
2422 ost->st->disposition = ist->st->disposition;
2423 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2424 codec->chroma_sample_location = icodec->chroma_sample_location;
2426 if (ost->stream_copy) {
2427 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2429 if (extra_size > INT_MAX) {
2430 return AVERROR(EINVAL);
2433 /* if stream_copy is selected, no need to decode or encode */
2434 codec->codec_id = icodec->codec_id;
2435 codec->codec_type = icodec->codec_type;
2437 if (!codec->codec_tag) {
2438 if (!oc->oformat->codec_tag ||
2439 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2440 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2441 codec->codec_tag = icodec->codec_tag;
2444 codec->bit_rate = icodec->bit_rate;
2445 codec->rc_max_rate = icodec->rc_max_rate;
2446 codec->rc_buffer_size = icodec->rc_buffer_size;
2447 codec->field_order = icodec->field_order;
2448 codec->extradata = av_mallocz(extra_size);
2449 if (!codec->extradata) {
2450 return AVERROR(ENOMEM);
2452 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2453 codec->extradata_size= icodec->extradata_size;
2455 codec->time_base = ist->st->time_base;
2456 if(!strcmp(oc->oformat->name, "avi")) {
2457 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2458 && av_q2d(ist->st->time_base) < 1.0/500
2460 codec->time_base = icodec->time_base;
2461 codec->time_base.num *= icodec->ticks_per_frame;
2462 codec->time_base.den *= 2;
2464 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2465 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2466 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2468 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2469 && av_q2d(ist->st->time_base) < 1.0/500
2471 codec->time_base = icodec->time_base;
2472 codec->time_base.num *= icodec->ticks_per_frame;
2475 av_reduce(&codec->time_base.num, &codec->time_base.den,
2476 codec->time_base.num, codec->time_base.den, INT_MAX);
2478 switch (codec->codec_type) {
2479 case AVMEDIA_TYPE_AUDIO:
2480 if (audio_volume != 256) {
2481 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2484 codec->channel_layout = icodec->channel_layout;
2485 codec->sample_rate = icodec->sample_rate;
2486 codec->channels = icodec->channels;
2487 codec->frame_size = icodec->frame_size;
2488 codec->audio_service_type = icodec->audio_service_type;
2489 codec->block_align = icodec->block_align;
2491 case AVMEDIA_TYPE_VIDEO:
2492 codec->pix_fmt = icodec->pix_fmt;
2493 codec->width = icodec->width;
2494 codec->height = icodec->height;
2495 codec->has_b_frames = icodec->has_b_frames;
2496 if (!codec->sample_aspect_ratio.num) {
2497 codec->sample_aspect_ratio =
2498 ost->st->sample_aspect_ratio =
2499 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2500 ist->st->codec->sample_aspect_ratio.num ?
2501 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2503 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2505 case AVMEDIA_TYPE_SUBTITLE:
2506 codec->width = icodec->width;
2507 codec->height = icodec->height;
2509 case AVMEDIA_TYPE_DATA:
2510 case AVMEDIA_TYPE_ATTACHMENT:
2517 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2519 ist->decoding_needed = 1;
2520 ost->encoding_needed = 1;
2522 switch (codec->codec_type) {
2523 case AVMEDIA_TYPE_AUDIO:
2524 ost->fifo = av_fifo_alloc(1024);
2526 return AVERROR(ENOMEM);
2528 if (!codec->sample_rate)
2529 codec->sample_rate = icodec->sample_rate;
2530 choose_sample_rate(ost->st, ost->enc);
2531 codec->time_base = (AVRational){ 1, codec->sample_rate };
2533 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2534 codec->sample_fmt = icodec->sample_fmt;
2535 choose_sample_fmt(ost->st, ost->enc);
2537 if (ost->audio_channels_mapped) {
2538 /* the requested output channel is set to the number of
2539 * -map_channel only if no -ac are specified */
2540 if (!codec->channels) {
2541 codec->channels = ost->audio_channels_mapped;
2542 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2543 if (!codec->channel_layout) {
2544 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2548 /* fill unused channel mapping with -1 (which means a muted
2549 * channel in case the number of output channels is bigger
2550 * than the number of mapped channel) */
2551 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2552 ost->audio_channels_map[j] = -1;
2553 } else if (!codec->channels) {
2554 codec->channels = icodec->channels;
2555 codec->channel_layout = icodec->channel_layout;
2557 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2558 codec->channel_layout = 0;
2560 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2561 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2562 || codec->channel_layout != icodec->channel_layout;
2563 icodec->request_channels = codec->channels;
2564 ost->resample_sample_fmt = icodec->sample_fmt;
2565 ost->resample_sample_rate = icodec->sample_rate;
2566 ost->resample_channels = icodec->channels;
2568 case AVMEDIA_TYPE_VIDEO:
2569 if (codec->pix_fmt == PIX_FMT_NONE)
2570 codec->pix_fmt = icodec->pix_fmt;
2571 choose_pixel_fmt(ost->st, ost->enc);
2573 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2574 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2578 if (!codec->width || !codec->height) {
2579 codec->width = icodec->width;
2580 codec->height = icodec->height;
2583 ost->video_resample = codec->width != icodec->width ||
2584 codec->height != icodec->height ||
2585 codec->pix_fmt != icodec->pix_fmt;
2586 if (ost->video_resample) {
2587 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2590 ost->resample_height = icodec->height;
2591 ost->resample_width = icodec->width;
2592 ost->resample_pix_fmt = icodec->pix_fmt;
2594 if (!ost->frame_rate.num)
2595 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2596 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2597 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2598 ost->frame_rate = ost->enc->supported_framerates[idx];
2600 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2601 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method
2602 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2603 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2604 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2606 for (j = 0; j < ost->forced_kf_count; j++)
2607 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2612 if (configure_video_filters(ist, ost)) {
2613 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2618 case AVMEDIA_TYPE_SUBTITLE:
2625 if (codec->codec_id != CODEC_ID_H264 &&
2626 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2627 char logfilename[1024];
2630 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2631 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2633 if (codec->flags & CODEC_FLAG_PASS2) {
2635 size_t logbuffer_size;
2636 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2637 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2641 codec->stats_in = logbuffer;
2643 if (codec->flags & CODEC_FLAG_PASS1) {
2644 f = fopen(logfilename, "wb");
2646 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2647 logfilename, strerror(errno));
2654 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2655 /* maximum video buffer size is 8-bytes per pixel, plus DPX header size (1664)*/
2656 int size = codec->width * codec->height;
2657 bit_buffer_size = FFMAX(bit_buffer_size, 9*size + 10000);
2662 bit_buffer = av_malloc(bit_buffer_size);
2664 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2666 return AVERROR(ENOMEM);
2669 /* open each encoder */
2670 for (i = 0; i < nb_output_streams; i++) {
2671 ost = &output_streams[i];
2672 if (ost->encoding_needed) {
2673 AVCodec *codec = ost->enc;
2674 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2676 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2677 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2678 ret = AVERROR(EINVAL);
2681 if (dec->subtitle_header) {
2682 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2683 if (!ost->st->codec->subtitle_header) {
2684 ret = AVERROR(ENOMEM);
2687 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2688 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2690 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2691 av_dict_set(&ost->opts, "threads", "auto", 0);
2692 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2693 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2694 ost->file_index, ost->index);
2695 ret = AVERROR(EINVAL);
2698 assert_codec_experimental(ost->st->codec, 1);
2699 assert_avoptions(ost->opts);
2700 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2701 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2702 " It takes bits/s as argument, not kbits/s\n");
2703 extra_size += ost->st->codec->extradata_size;
2705 if (ost->st->codec->me_threshold)
2706 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2710 /* init input streams */
2711 for (i = 0; i < nb_input_streams; i++)
2712 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2715 /* discard unused programs */
2716 for (i = 0; i < nb_input_files; i++) {
2717 InputFile *ifile = &input_files[i];
2718 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2719 AVProgram *p = ifile->ctx->programs[j];
2720 int discard = AVDISCARD_ALL;
2722 for (k = 0; k < p->nb_stream_indexes; k++)
2723 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2724 discard = AVDISCARD_DEFAULT;
2727 p->discard = discard;
2731 /* open files and write file headers */
2732 for (i = 0; i < nb_output_files; i++) {
2733 oc = output_files[i].ctx;
2734 oc->interrupt_callback = int_cb;
2735 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2736 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2737 ret = AVERROR(EINVAL);
2740 // assert_avoptions(output_files[i].opts);
2741 if (strcmp(oc->oformat->name, "rtp")) {
2747 /* dump the file output parameters - cannot be done before in case
2749 for (i = 0; i < nb_output_files; i++) {
2750 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2753 /* dump the stream mapping */
2754 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2755 for (i = 0; i < nb_output_streams; i++) {
2756 ost = &output_streams[i];
2758 if (ost->attachment_filename) {
2759 /* an attached file */
2760 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2761 ost->attachment_filename, ost->file_index, ost->index);
2764 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2765 input_streams[ost->source_index].file_index,
2766 input_streams[ost->source_index].st->index,
2769 if (ost->audio_channels_mapped) {
2770 av_log(NULL, AV_LOG_INFO, " [ch:");
2771 for (j = 0; j < ost->audio_channels_mapped; j++)
2772 if (ost->audio_channels_map[j] == -1)
2773 av_log(NULL, AV_LOG_INFO, " M");
2775 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2776 av_log(NULL, AV_LOG_INFO, "]");
2778 if (ost->sync_ist != &input_streams[ost->source_index])
2779 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2780 ost->sync_ist->file_index,
2781 ost->sync_ist->st->index);
2782 if (ost->stream_copy)
2783 av_log(NULL, AV_LOG_INFO, " (copy)");
2785 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2786 input_streams[ost->source_index].dec->name : "?",
2787 ost->enc ? ost->enc->name : "?");
2788 av_log(NULL, AV_LOG_INFO, "\n");
2792 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2797 print_sdp(output_files, nb_output_files);
2804 * The following code is the main loop of the file converter
2806 static int transcode(OutputFile *output_files, int nb_output_files,
2807 InputFile *input_files, int nb_input_files)
2810 AVFormatContext *is, *os;
2814 int no_packet_count = 0;
2815 int64_t timer_start;
2818 if (!(no_packet = av_mallocz(nb_input_files)))
2821 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2826 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2829 timer_start = av_gettime();
2831 for (; received_sigterm == 0;) {
2832 int file_index, ist_index;
2836 int64_t cur_time= av_gettime();
2838 ipts_min = INT64_MAX;
2840 /* if 'q' pressed, exits */
2842 static int64_t last_time;
2843 if (received_nb_signals)
2845 /* read_key() returns 0 on EOF */
2846 if(cur_time - last_time >= 100000 && !run_as_daemon){
2848 last_time = cur_time;
2853 if (key == '+') av_log_set_level(av_log_get_level()+10);
2854 if (key == '-') av_log_set_level(av_log_get_level()-10);
2855 if (key == 's') qp_hist ^= 1;
2858 do_hex_dump = do_pkt_dump = 0;
2859 } else if(do_pkt_dump){
2863 av_log_set_level(AV_LOG_DEBUG);
2866 if (key == 'c' || key == 'C'){
2867 char buf[4096], target[64], command[256], arg[256] = {0};
2870 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2872 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2877 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2878 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2879 target, time, command, arg);
2880 for (i = 0; i < nb_output_streams; i++) {
2881 ost = &output_streams[i];
2884 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2885 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2886 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2888 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2893 av_log(NULL, AV_LOG_ERROR,
2894 "Parse error, at least 3 arguments were expected, "
2895 "only %d given in string '%s'\n", n, buf);
2899 if (key == 'd' || key == 'D'){
2902 debug = input_streams[0].st->codec->debug<<1;
2903 if(!debug) debug = 1;
2904 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2907 if(scanf("%d", &debug)!=1)
2908 fprintf(stderr,"error parsing debug value\n");
2909 for(i=0;i<nb_input_streams;i++) {
2910 input_streams[i].st->codec->debug = debug;
2912 for(i=0;i<nb_output_streams;i++) {
2913 ost = &output_streams[i];
2914 ost->st->codec->debug = debug;
2916 if(debug) av_log_set_level(AV_LOG_DEBUG);
2917 fprintf(stderr,"debug=%d\n", debug);
2920 fprintf(stderr, "key function\n"
2921 "? show this help\n"
2922 "+ increase verbosity\n"
2923 "- decrease verbosity\n"
2924 "c Send command to filtergraph\n"
2925 "D cycle through available debug modes\n"
2926 "h dump packets/hex press to cycle through the 3 states\n"
2928 "s Show QP histogram\n"
2933 /* select the stream that we must read now by looking at the
2934 smallest output pts */
2936 for (i = 0; i < nb_output_streams; i++) {
2940 ost = &output_streams[i];
2941 of = &output_files[ost->file_index];
2942 os = output_files[ost->file_index].ctx;
2943 ist = &input_streams[ost->source_index];
2944 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2945 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2947 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2949 if (!input_files[ist->file_index].eof_reached) {
2950 if (ipts < ipts_min) {
2953 file_index = ist->file_index;
2955 if (opts < opts_min) {
2957 if (!input_sync) file_index = ist->file_index;
2960 if (ost->frame_number >= ost->max_frames) {
2962 for (j = 0; j < of->ctx->nb_streams; j++)
2963 output_streams[of->ost_index + j].is_past_recording_time = 1;
2967 /* if none, if is finished */
2968 if (file_index < 0) {
2969 if (no_packet_count) {
2970 no_packet_count = 0;
2971 memset(no_packet, 0, nb_input_files);
2978 /* read a frame from it and output it in the fifo */
2979 is = input_files[file_index].ctx;
2980 ret = av_read_frame(is, &pkt);
2981 if (ret == AVERROR(EAGAIN)) {
2982 no_packet[file_index] = 1;
2987 input_files[file_index].eof_reached = 1;
2994 no_packet_count = 0;
2995 memset(no_packet, 0, nb_input_files);
2998 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2999 is->streams[pkt.stream_index]);
3001 /* the following test is needed in case new streams appear
3002 dynamically in stream : we ignore them */
3003 if (pkt.stream_index >= input_files[file_index].nb_streams)
3004 goto discard_packet;
3005 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3006 ist = &input_streams[ist_index];
3008 goto discard_packet;
3010 if (pkt.dts != AV_NOPTS_VALUE)
3011 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3012 if (pkt.pts != AV_NOPTS_VALUE)
3013 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3015 if (pkt.pts != AV_NOPTS_VALUE)
3016 pkt.pts *= ist->ts_scale;
3017 if (pkt.dts != AV_NOPTS_VALUE)
3018 pkt.dts *= ist->ts_scale;
3020 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3022 // pkt.dts, input_files[ist->file_index].ts_offset,
3023 // ist->st->codec->codec_type);
3024 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
3025 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3026 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3027 int64_t delta = pkt_dts - ist->next_pts;
3028 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3029 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3030 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3031 pkt_dts+1<ist->pts)&& !copy_ts){
3032 input_files[ist->file_index].ts_offset -= delta;
3033 av_log(NULL, AV_LOG_DEBUG,
3034 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3035 delta, input_files[ist->file_index].ts_offset);
3036 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3037 if (pkt.pts != AV_NOPTS_VALUE)
3038 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3042 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3043 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3045 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3046 ist->file_index, ist->st->index);
3049 av_free_packet(&pkt);
3054 av_free_packet(&pkt);
3056 /* dump report by using the output first video and audio streams */
3057 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3060 /* at the end of stream, we must flush the decoder buffers */
3061 for (i = 0; i < nb_input_streams; i++) {
3062 ist = &input_streams[i];
3063 if (ist->decoding_needed) {
3064 output_packet(ist, output_streams, nb_output_streams, NULL);
3067 flush_encoders(output_streams, nb_output_streams);
3071 /* write the trailer if needed and close file */
3072 for (i = 0; i < nb_output_files; i++) {
3073 os = output_files[i].ctx;
3074 av_write_trailer(os);
3077 /* dump report by using the first video and audio streams */
3078 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3080 /* close each encoder */
3081 for (i = 0; i < nb_output_streams; i++) {
3082 ost = &output_streams[i];
3083 if (ost->encoding_needed) {
3084 av_freep(&ost->st->codec->stats_in);
3085 avcodec_close(ost->st->codec);
3088 avfilter_graph_free(&ost->graph);
3092 /* close each decoder */
3093 for (i = 0; i < nb_input_streams; i++) {
3094 ist = &input_streams[i];
3095 if (ist->decoding_needed) {
3096 avcodec_close(ist->st->codec);
3104 av_freep(&bit_buffer);
3105 av_freep(&no_packet);
3107 if (output_streams) {
3108 for (i = 0; i < nb_output_streams; i++) {
3109 ost = &output_streams[i];
3111 if (ost->stream_copy)
3112 av_freep(&ost->st->codec->extradata);
3114 fclose(ost->logfile);
3115 ost->logfile = NULL;
3117 av_fifo_free(ost->fifo); /* works even if fifo is not
3118 initialized but set to zero */
3119 av_freep(&ost->st->codec->subtitle_header);
3120 av_free(ost->resample_frame.data[0]);
3121 av_free(ost->forced_kf_pts);
3122 if (ost->video_resample)
3123 sws_freeContext(ost->img_resample_ctx);
3124 swr_free(&ost->swr);
3125 av_dict_free(&ost->opts);
3132 static int opt_frame_crop(const char *opt, const char *arg)
3134 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3135 return AVERROR(EINVAL);
3138 static int opt_pad(const char *opt, const char *arg)
3140 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3144 static double parse_frame_aspect_ratio(const char *arg)
3151 p = strchr(arg, ':');
3153 x = strtol(arg, &end, 10);
3155 y = strtol(end + 1, &end, 10);
3157 ar = (double)x / (double)y;
3159 ar = strtod(arg, NULL);
3162 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
3168 static int opt_video_channel(const char *opt, const char *arg)
3170 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3171 return opt_default("channel", arg);
3174 static int opt_video_standard(const char *opt, const char *arg)
3176 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3177 return opt_default("standard", arg);
3180 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3182 audio_codec_name = arg;
3183 return parse_option(o, "codec:a", arg, options);
3186 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3188 video_codec_name = arg;
3189 return parse_option(o, "codec:v", arg, options);
3192 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3194 subtitle_codec_name = arg;
3195 return parse_option(o, "codec:s", arg, options);
3198 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3200 return parse_option(o, "codec:d", arg, options);
3203 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3205 StreamMap *m = NULL;
3206 int i, negative = 0, file_idx;
3207 int sync_file_idx = -1, sync_stream_idx = 0;
3215 map = av_strdup(arg);
3217 /* parse sync stream first, just pick first matching stream */
3218 if (sync = strchr(map, ',')) {
3220 sync_file_idx = strtol(sync + 1, &sync, 0);
3221 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3222 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3227 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3228 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3229 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3230 sync_stream_idx = i;
3233 if (i == input_files[sync_file_idx].nb_streams) {
3234 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3235 "match any streams.\n", arg);
3241 file_idx = strtol(map, &p, 0);
3242 if (file_idx >= nb_input_files || file_idx < 0) {
3243 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3247 /* disable some already defined maps */
3248 for (i = 0; i < o->nb_stream_maps; i++) {
3249 m = &o->stream_maps[i];
3250 if (file_idx == m->file_index &&
3251 check_stream_specifier(input_files[m->file_index].ctx,
3252 input_files[m->file_index].ctx->streams[m->stream_index],
3253 *p == ':' ? p + 1 : p) > 0)
3257 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3258 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3259 *p == ':' ? p + 1 : p) <= 0)
3261 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3262 &o->nb_stream_maps, o->nb_stream_maps + 1);
3263 m = &o->stream_maps[o->nb_stream_maps - 1];
3265 m->file_index = file_idx;
3266 m->stream_index = i;
3268 if (sync_file_idx >= 0) {
3269 m->sync_file_index = sync_file_idx;
3270 m->sync_stream_index = sync_stream_idx;
3272 m->sync_file_index = file_idx;
3273 m->sync_stream_index = i;
3278 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3286 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3288 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3289 &o->nb_attachments, o->nb_attachments + 1);
3290 o->attachments[o->nb_attachments - 1] = arg;
3294 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3300 o->audio_channel_maps =
3301 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3302 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3303 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3305 /* muted channel syntax */
3306 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3307 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3308 m->file_idx = m->stream_idx = -1;
3310 m->ofile_idx = m->ostream_idx = -1;
3315 n = sscanf(arg, "%d.%d.%d:%d.%d",
3316 &m->file_idx, &m->stream_idx, &m->channel_idx,
3317 &m->ofile_idx, &m->ostream_idx);
3319 if (n != 3 && n != 5) {
3320 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3321 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3325 if (n != 5) // only file.stream.channel specified
3326 m->ofile_idx = m->ostream_idx = -1;
3329 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3330 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3334 if (m->stream_idx < 0 ||
3335 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3336 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3337 m->file_idx, m->stream_idx);
3340 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3341 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3342 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3343 m->file_idx, m->stream_idx);
3346 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3347 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3348 m->file_idx, m->stream_idx, m->channel_idx);
3355 * Parse a metadata specifier in arg.
3356 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3357 * @param index for type c/p, chapter/program index is written here
3358 * @param stream_spec for type s, the stream specifier is written here
3360 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3368 if (*(++arg) && *arg != ':') {
3369 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3372 *stream_spec = *arg == ':' ? arg + 1 : "";
3376 if (*(++arg) == ':')
3377 *index = strtol(++arg, NULL, 0);
3380 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3387 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3389 AVDictionary **meta_in = NULL;
3390 AVDictionary **meta_out = NULL;
3392 char type_in, type_out;
3393 const char *istream_spec = NULL, *ostream_spec = NULL;
3394 int idx_in = 0, idx_out = 0;
3396 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3397 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3399 if (type_in == 'g' || type_out == 'g')
3400 o->metadata_global_manual = 1;
3401 if (type_in == 's' || type_out == 's')
3402 o->metadata_streams_manual = 1;
3403 if (type_in == 'c' || type_out == 'c')
3404 o->metadata_chapters_manual = 1;
3406 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3407 if ((index) < 0 || (index) >= (nb_elems)) {\
3408 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3413 #define SET_DICT(type, meta, context, index)\
3416 meta = &context->metadata;\
3419 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3420 meta = &context->chapters[index]->metadata;\
3423 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3424 meta = &context->programs[index]->metadata;\
3428 SET_DICT(type_in, meta_in, ic, idx_in);
3429 SET_DICT(type_out, meta_out, oc, idx_out);
3431 /* for input streams choose first matching stream */
3432 if (type_in == 's') {
3433 for (i = 0; i < ic->nb_streams; i++) {
3434 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3435 meta_in = &ic->streams[i]->metadata;
3441 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3446 if (type_out == 's') {
3447 for (i = 0; i < oc->nb_streams; i++) {
3448 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3449 meta_out = &oc->streams[i]->metadata;
3450 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3455 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3460 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3463 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3464 struct tm time = *gmtime((time_t*)&recording_timestamp);
3465 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3466 parse_option(o, "metadata", buf, options);
3468 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3469 "tag instead.\n", opt);
3473 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3475 const char *codec_string = encoder ? "encoder" : "decoder";
3479 avcodec_find_encoder_by_name(name) :
3480 avcodec_find_decoder_by_name(name);
3482 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3485 if (codec->type != type) {
3486 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3492 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3494 char *codec_name = NULL;
3496 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3498 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3499 st->codec->codec_id = codec->id;
3502 return avcodec_find_decoder(st->codec->codec_id);
3506 * Add all the streams from the given input file to the global
3507 * list of input streams.
3509 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3512 char *next, *codec_tag = NULL;
3514 for (i = 0; i < ic->nb_streams; i++) {
3515 AVStream *st = ic->streams[i];
3516 AVCodecContext *dec = st->codec;
3519 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3520 ist = &input_streams[nb_input_streams - 1];
3522 ist->file_index = nb_input_files;
3524 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3526 ist->ts_scale = 1.0;
3527 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3529 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3531 uint32_t tag = strtol(codec_tag, &next, 0);
3533 tag = AV_RL32(codec_tag);
3534 st->codec->codec_tag = tag;
3537 ist->dec = choose_decoder(o, ic, st);
3539 switch (dec->codec_type) {
3540 case AVMEDIA_TYPE_AUDIO:
3542 ist->dec = avcodec_find_decoder(dec->codec_id);
3543 if (o->audio_disable)
3544 st->discard = AVDISCARD_ALL;
3546 case AVMEDIA_TYPE_VIDEO:
3548 ist->dec = avcodec_find_decoder(dec->codec_id);
3550 dec->flags |= CODEC_FLAG_EMU_EDGE;
3553 if (o->video_disable)
3554 st->discard = AVDISCARD_ALL;
3555 else if (video_discard)
3556 st->discard = video_discard;
3558 case AVMEDIA_TYPE_DATA:
3559 if (o->data_disable)
3560 st->discard= AVDISCARD_ALL;
3562 case AVMEDIA_TYPE_SUBTITLE:
3564 ist->dec = avcodec_find_decoder(dec->codec_id);
3565 if(o->subtitle_disable)
3566 st->discard = AVDISCARD_ALL;
3568 case AVMEDIA_TYPE_ATTACHMENT:
3569 case AVMEDIA_TYPE_UNKNOWN:
3577 static void assert_file_overwrite(const char *filename)
3579 if ((!file_overwrite || no_file_overwrite) &&
3580 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3581 av_strstart(filename, "file:", NULL))) {
3582 if (avio_check(filename, 0) == 0) {
3583 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3584 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3587 signal(SIGINT, SIG_DFL);
3588 if (!read_yesno()) {
3589 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3595 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3602 static void dump_attachment(AVStream *st, const char *filename)
3605 AVIOContext *out = NULL;
3606 AVDictionaryEntry *e;
3608 if (!st->codec->extradata_size) {
3609 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3610 nb_input_files - 1, st->index);
3613 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3614 filename = e->value;
3616 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3617 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3621 assert_file_overwrite(filename);
3623 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3624 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3629 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3634 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3636 AVFormatContext *ic;
3637 AVInputFormat *file_iformat = NULL;
3641 AVDictionary **opts;
3642 int orig_nb_streams; // number of streams before avformat_find_stream_info
3645 if (!(file_iformat = av_find_input_format(o->format))) {
3646 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3651 if (!strcmp(filename, "-"))
3654 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3655 !strcmp(filename, "/dev/stdin");
3657 /* get default parameters from command line */
3658 ic = avformat_alloc_context();
3660 print_error(filename, AVERROR(ENOMEM));
3663 if (o->nb_audio_sample_rate) {
3664 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3665 av_dict_set(&format_opts, "sample_rate", buf, 0);
3667 if (o->nb_audio_channels) {
3668 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3669 av_dict_set(&format_opts, "channels", buf, 0);
3671 if (o->nb_frame_rates) {
3672 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3674 if (o->nb_frame_sizes) {
3675 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3677 if (o->nb_frame_pix_fmts)
3678 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3680 ic->video_codec_id = video_codec_name ?
3681 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3682 ic->audio_codec_id = audio_codec_name ?
3683 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3684 ic->subtitle_codec_id= subtitle_codec_name ?
3685 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3686 ic->flags |= AVFMT_FLAG_NONBLOCK;
3687 ic->interrupt_callback = int_cb;
3690 av_log(NULL, AV_LOG_WARNING,
3691 "-loop_input is deprecated, use -loop 1\n"
3692 "Note, both loop options only work with -f image2\n"
3694 ic->loop_input = loop_input;
3697 /* open the input file with generic avformat function */
3698 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3700 print_error(filename, err);
3703 assert_avoptions(format_opts);
3705 /* apply forced codec ids */
3706 for (i = 0; i < ic->nb_streams; i++)
3707 choose_decoder(o, ic, ic->streams[i]);
3709 /* Set AVCodecContext options for avformat_find_stream_info */
3710 opts = setup_find_stream_info_opts(ic, codec_opts);
3711 orig_nb_streams = ic->nb_streams;
3713 /* If not enough info to get the stream parameters, we decode the
3714 first frames to get it. (used in mpeg case for example) */
3715 ret = avformat_find_stream_info(ic, opts);
3717 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3718 avformat_close_input(&ic);
3722 timestamp = o->start_time;
3723 /* add the stream start time */
3724 if (ic->start_time != AV_NOPTS_VALUE)
3725 timestamp += ic->start_time;
3727 /* if seeking requested, we execute it */
3728 if (o->start_time != 0) {
3729 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3731 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3732 filename, (double)timestamp / AV_TIME_BASE);
3736 /* update the current parameters so that they match the one of the input stream */
3737 add_input_streams(o, ic);
3739 /* dump the file content */
3740 av_dump_format(ic, nb_input_files, filename, 0);
3742 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3743 input_files[nb_input_files - 1].ctx = ic;
3744 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3745 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3746 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3747 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3749 for (i = 0; i < o->nb_dump_attachment; i++) {
3752 for (j = 0; j < ic->nb_streams; j++) {
3753 AVStream *st = ic->streams[j];
3755 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3756 dump_attachment(st, o->dump_attachment[i].u.str);
3760 for (i = 0; i < orig_nb_streams; i++)
3761 av_dict_free(&opts[i]);
3764 reset_options(o, 1);
3768 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3773 for (p = kf; *p; p++)
3776 ost->forced_kf_count = n;
3777 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3778 if (!ost->forced_kf_pts) {
3779 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3782 for (i = 0; i < n; i++) {
3783 p = i ? strchr(p, ',') + 1 : kf;
3784 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3788 static uint8_t *get_line(AVIOContext *s)
3794 if (avio_open_dyn_buf(&line) < 0) {
3795 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3799 while ((c = avio_r8(s)) && c != '\n')
3802 avio_close_dyn_buf(line, &buf);
3807 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3810 char filename[1000];
3811 const char *base[3] = { getenv("AVCONV_DATADIR"),
3816 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3820 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3821 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3822 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3825 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3826 i != 1 ? "" : "/.avconv", preset_name);
3827 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3833 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3835 char *codec_name = NULL;
3837 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3839 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3840 NULL, ost->st->codec->codec_type);
3841 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3842 } else if (!strcmp(codec_name, "copy"))
3843 ost->stream_copy = 1;
3845 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3846 ost->st->codec->codec_id = ost->enc->id;
3850 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3853 AVStream *st = avformat_new_stream(oc, NULL);
3854 int idx = oc->nb_streams - 1, ret = 0;
3855 char *bsf = NULL, *next, *codec_tag = NULL;
3856 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3858 char *buf = NULL, *arg = NULL, *preset = NULL;
3859 AVIOContext *s = NULL;
3862 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3866 if (oc->nb_streams - 1 < o->nb_streamid_map)
3867 st->id = o->streamid_map[oc->nb_streams - 1];
3869 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3870 nb_output_streams + 1);
3871 ost = &output_streams[nb_output_streams - 1];
3872 ost->file_index = nb_output_files;
3875 st->codec->codec_type = type;
3876 choose_encoder(o, oc, ost);
3878 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3881 avcodec_get_context_defaults3(st->codec, ost->enc);
3882 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3884 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3885 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3888 if (!buf[0] || buf[0] == '#') {
3892 if (!(arg = strchr(buf, '='))) {
3893 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3897 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3899 } while (!s->eof_reached);
3903 av_log(NULL, AV_LOG_FATAL,
3904 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3905 preset, ost->file_index, ost->index);
3909 ost->max_frames = INT64_MAX;
3910 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3912 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3914 if (next = strchr(bsf, ','))
3916 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3917 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3921 bsfc_prev->next = bsfc;
3923 ost->bitstream_filters = bsfc;
3929 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3931 uint32_t tag = strtol(codec_tag, &next, 0);
3933 tag = AV_RL32(codec_tag);
3934 st->codec->codec_tag = tag;
3937 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3938 if (qscale >= 0 || same_quant) {
3939 st->codec->flags |= CODEC_FLAG_QSCALE;
3940 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3943 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3944 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3946 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3950 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3953 const char *p = str;
3960 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3967 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3971 AVCodecContext *video_enc;
3973 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3975 video_enc = st->codec;
3977 if (!ost->stream_copy) {
3978 const char *p = NULL;
3979 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3980 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3981 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3984 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3985 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3986 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3990 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3991 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3992 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3996 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3997 if (frame_aspect_ratio)
3998 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
4000 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4001 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4002 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4003 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4006 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4009 video_enc->gop_size = 0;
4010 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4012 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4013 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4016 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4018 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4020 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4021 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4024 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4027 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4028 for (i = 0; p; i++) {
4030 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4032 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4035 /* FIXME realloc failure */
4036 video_enc->rc_override =
4037 av_realloc(video_enc->rc_override,
4038 sizeof(RcOverride) * (i + 1));
4039 video_enc->rc_override[i].start_frame = start;
4040 video_enc->rc_override[i].end_frame = end;
4042 video_enc->rc_override[i].qscale = q;
4043 video_enc->rc_override[i].quality_factor = 1.0;
4046 video_enc->rc_override[i].qscale = 0;
4047 video_enc->rc_override[i].quality_factor = -q/100.0;
4052 video_enc->rc_override_count = i;
4053 if (!video_enc->rc_initial_buffer_occupancy)
4054 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4055 video_enc->intra_dc_precision = intra_dc_precision - 8;
4058 video_enc->flags|= CODEC_FLAG_PSNR;
4063 video_enc->flags |= CODEC_FLAG_PASS1;
4066 video_enc->flags |= CODEC_FLAG_PASS2;
4070 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4071 if (forced_key_frames)
4072 parse_forced_key_frames(forced_key_frames, ost);
4074 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4076 ost->top_field_first = -1;
4077 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4080 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4082 ost->avfilter = av_strdup(filters);
4085 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4091 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4096 AVCodecContext *audio_enc;
4098 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4101 audio_enc = st->codec;
4102 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4104 if (!ost->stream_copy) {
4105 char *sample_fmt = NULL;
4107 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4109 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4111 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4112 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4116 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4118 ost->rematrix_volume=1.0;
4119 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4122 /* check for channel mapping for this audio stream */
4123 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4124 AudioChannelMap *map = &o->audio_channel_maps[n];
4125 InputStream *ist = &input_streams[ost->source_index];
4126 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4127 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4128 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4129 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4130 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4132 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4133 ost->file_index, ost->st->index);
4140 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4144 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4145 if (!ost->stream_copy) {
4146 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4153 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4155 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4156 ost->stream_copy = 1;
4160 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4164 AVCodecContext *subtitle_enc;
4166 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4168 subtitle_enc = st->codec;
4170 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4175 /* arg format is "output-stream-index:streamid-value". */
4176 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4182 av_strlcpy(idx_str, arg, sizeof(idx_str));
4183 p = strchr(idx_str, ':');
4185 av_log(NULL, AV_LOG_FATAL,
4186 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4191 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4192 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4193 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4197 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4199 AVFormatContext *is = ifile->ctx;
4200 AVFormatContext *os = ofile->ctx;
4203 for (i = 0; i < is->nb_chapters; i++) {
4204 AVChapter *in_ch = is->chapters[i], *out_ch;
4205 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4206 AV_TIME_BASE_Q, in_ch->time_base);
4207 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4208 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4211 if (in_ch->end < ts_off)
4213 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4216 out_ch = av_mallocz(sizeof(AVChapter));
4218 return AVERROR(ENOMEM);
4220 out_ch->id = in_ch->id;
4221 out_ch->time_base = in_ch->time_base;
4222 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4223 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4226 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4229 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4231 return AVERROR(ENOMEM);
4232 os->chapters[os->nb_chapters - 1] = out_ch;
4237 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4240 AVFormatContext *ic = avformat_alloc_context();
4242 ic->interrupt_callback = int_cb;
4243 err = avformat_open_input(&ic, filename, NULL, NULL);
4246 /* copy stream format */
4247 for(i=0;i<ic->nb_streams;i++) {
4251 AVCodecContext *avctx;
4253 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4254 ost = new_output_stream(o, s, codec->type);
4259 // FIXME: a more elegant solution is needed
4260 memcpy(st, ic->streams[i], sizeof(AVStream));
4261 st->info = av_malloc(sizeof(*st->info));
4262 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4264 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4266 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4267 choose_sample_fmt(st, codec);
4268 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4269 choose_pixel_fmt(st, codec);
4272 avformat_close_input(&ic);
4276 static void opt_output_file(void *optctx, const char *filename)
4278 OptionsContext *o = optctx;
4279 AVFormatContext *oc;
4281 AVOutputFormat *file_oformat;
4285 if (!strcmp(filename, "-"))
4288 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4290 print_error(filename, err);
4293 file_oformat= oc->oformat;
4294 oc->interrupt_callback = int_cb;
4296 if (!strcmp(file_oformat->name, "ffm") &&
4297 av_strstart(filename, "http:", NULL)) {
4299 /* special case for files sent to ffserver: we get the stream
4300 parameters from ffserver */
4301 int err = read_ffserver_streams(o, oc, filename);
4303 print_error(filename, err);
4306 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4307 ost = &output_streams[j];
4308 for (i = 0; i < nb_input_streams; i++) {
4309 ist = &input_streams[i];
4310 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4312 ost->source_index= i;
4318 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));
4322 } else if (!o->nb_stream_maps) {
4323 /* pick the "best" stream of each type */
4324 #define NEW_STREAM(type, index)\
4326 ost = new_ ## type ## _stream(o, oc);\
4327 ost->source_index = index;\
4328 ost->sync_ist = &input_streams[index];\
4329 input_streams[index].discard = 0;\
4332 /* video: highest resolution */
4333 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4334 int area = 0, idx = -1;
4335 for (i = 0; i < nb_input_streams; i++) {
4336 ist = &input_streams[i];
4337 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4338 ist->st->codec->width * ist->st->codec->height > area) {
4339 area = ist->st->codec->width * ist->st->codec->height;
4343 NEW_STREAM(video, idx);
4346 /* audio: most channels */
4347 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4348 int channels = 0, idx = -1;
4349 for (i = 0; i < nb_input_streams; i++) {
4350 ist = &input_streams[i];
4351 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4352 ist->st->codec->channels > channels) {
4353 channels = ist->st->codec->channels;
4357 NEW_STREAM(audio, idx);
4360 /* subtitles: pick first */
4361 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4362 for (i = 0; i < nb_input_streams; i++)
4363 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4364 NEW_STREAM(subtitle, i);
4368 /* do something with data? */
4370 for (i = 0; i < o->nb_stream_maps; i++) {
4371 StreamMap *map = &o->stream_maps[i];
4376 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4377 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4379 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4381 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4383 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4386 switch (ist->st->codec->codec_type) {
4387 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4388 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4389 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4390 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4391 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4393 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4394 map->file_index, map->stream_index);
4398 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4399 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4400 map->sync_stream_index];
4405 /* handle attached files */
4406 for (i = 0; i < o->nb_attachments; i++) {
4408 uint8_t *attachment;
4412 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4413 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4417 if ((len = avio_size(pb)) <= 0) {
4418 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4422 if (!(attachment = av_malloc(len))) {
4423 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4427 avio_read(pb, attachment, len);
4429 ost = new_attachment_stream(o, oc);
4430 ost->stream_copy = 0;
4431 ost->source_index = -1;
4432 ost->attachment_filename = o->attachments[i];
4433 ost->st->codec->extradata = attachment;
4434 ost->st->codec->extradata_size = len;
4436 p = strrchr(o->attachments[i], '/');
4437 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4441 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4442 output_files[nb_output_files - 1].ctx = oc;
4443 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4444 output_files[nb_output_files - 1].recording_time = o->recording_time;
4445 output_files[nb_output_files - 1].start_time = o->start_time;
4446 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4447 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4449 /* check filename in case of an image number is expected */
4450 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4451 if (!av_filename_number_test(oc->filename)) {
4452 print_error(oc->filename, AVERROR(EINVAL));
4457 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4458 /* test if it already exists to avoid losing precious files */
4459 assert_file_overwrite(filename);
4462 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4463 &oc->interrupt_callback,
4464 &output_files[nb_output_files - 1].opts)) < 0) {
4465 print_error(filename, err);
4470 if (o->mux_preload) {
4472 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4473 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4475 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4477 if (loop_output >= 0) {
4478 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4479 oc->loop_output = loop_output;
4483 for (i = 0; i < o->nb_metadata_map; i++) {
4485 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4487 if (in_file_index < 0)
4489 if (in_file_index >= nb_input_files) {
4490 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4493 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4497 if (o->chapters_input_file >= nb_input_files) {
4498 if (o->chapters_input_file == INT_MAX) {
4499 /* copy chapters from the first input file that has them*/
4500 o->chapters_input_file = -1;
4501 for (i = 0; i < nb_input_files; i++)
4502 if (input_files[i].ctx->nb_chapters) {
4503 o->chapters_input_file = i;
4507 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4508 o->chapters_input_file);
4512 if (o->chapters_input_file >= 0)
4513 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4514 !o->metadata_chapters_manual);
4516 /* copy global metadata by default */
4517 if (!o->metadata_global_manual && nb_input_files){
4518 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4519 AV_DICT_DONT_OVERWRITE);
4520 if(o->recording_time != INT64_MAX)
4521 av_dict_set(&oc->metadata, "duration", NULL, 0);
4523 if (!o->metadata_streams_manual)
4524 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4526 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4528 ist = &input_streams[output_streams[i].source_index];
4529 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4532 /* process manually set metadata */
4533 for (i = 0; i < o->nb_metadata; i++) {
4536 const char *stream_spec;
4537 int index = 0, j, ret = 0;
4539 val = strchr(o->metadata[i].u.str, '=');
4541 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4542 o->metadata[i].u.str);
4547 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4549 for (j = 0; j < oc->nb_streams; j++) {
4550 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4551 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4555 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4563 if (index < 0 || index >= oc->nb_chapters) {
4564 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4567 m = &oc->chapters[index]->metadata;
4570 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4573 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4577 reset_options(o, 0);
4580 /* same option as mencoder */
4581 static int opt_pass(const char *opt, const char *arg)
4583 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4587 static int64_t getutime(void)
4590 struct rusage rusage;
4592 getrusage(RUSAGE_SELF, &rusage);
4593 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4594 #elif HAVE_GETPROCESSTIMES
4596 FILETIME c, e, k, u;
4597 proc = GetCurrentProcess();
4598 GetProcessTimes(proc, &c, &e, &k, &u);
4599 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4601 return av_gettime();
4605 static int64_t getmaxrss(void)
4607 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4608 struct rusage rusage;
4609 getrusage(RUSAGE_SELF, &rusage);
4610 return (int64_t)rusage.ru_maxrss * 1024;
4611 #elif HAVE_GETPROCESSMEMORYINFO
4613 PROCESS_MEMORY_COUNTERS memcounters;
4614 proc = GetCurrentProcess();
4615 memcounters.cb = sizeof(memcounters);
4616 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4617 return memcounters.PeakPagefileUsage;
4623 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4625 return parse_option(o, "q:a", arg, options);
4628 static void show_usage(void)
4630 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4631 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4632 av_log(NULL, AV_LOG_INFO, "\n");
4635 static int opt_help(const char *opt, const char *arg)
4637 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4638 av_log_set_callback(log_callback_help);
4640 show_help_options(options, "Main options:\n",
4641 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4642 show_help_options(options, "\nAdvanced options:\n",
4643 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4645 show_help_options(options, "\nVideo options:\n",
4646 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4648 show_help_options(options, "\nAdvanced Video options:\n",
4649 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4650 OPT_VIDEO | OPT_EXPERT);
4651 show_help_options(options, "\nAudio options:\n",
4652 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4654 show_help_options(options, "\nAdvanced Audio options:\n",
4655 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4656 OPT_AUDIO | OPT_EXPERT);
4657 show_help_options(options, "\nSubtitle options:\n",
4658 OPT_SUBTITLE | OPT_GRAB,
4660 show_help_options(options, "\nAudio/Video grab options:\n",
4664 show_help_children(avcodec_get_class(), flags);
4665 show_help_children(avformat_get_class(), flags);
4666 show_help_children(sws_get_class(), flags);
4671 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4673 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4674 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4676 if (!strncmp(arg, "pal-", 4)) {
4679 } else if (!strncmp(arg, "ntsc-", 5)) {
4682 } else if (!strncmp(arg, "film-", 5)) {
4686 /* Try to determine PAL/NTSC by peeking in the input files */
4687 if (nb_input_files) {
4689 for (j = 0; j < nb_input_files; j++) {
4690 for (i = 0; i < input_files[j].nb_streams; i++) {
4691 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4692 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4694 fr = c->time_base.den * 1000 / c->time_base.num;
4698 } else if ((fr == 29970) || (fr == 23976)) {
4703 if (norm != UNKNOWN)
4707 if (norm != UNKNOWN)
4708 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4711 if (norm == UNKNOWN) {
4712 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4713 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4714 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4718 if (!strcmp(arg, "vcd")) {
4719 opt_video_codec(o, "c:v", "mpeg1video");
4720 opt_audio_codec(o, "c:a", "mp2");
4721 parse_option(o, "f", "vcd", options);
4723 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4724 parse_option(o, "r", frame_rates[norm], options);
4725 opt_default("g", norm == PAL ? "15" : "18");
4727 opt_default("b:v", "1150000");
4728 opt_default("maxrate", "1150000");
4729 opt_default("minrate", "1150000");
4730 opt_default("bufsize", "327680"); // 40*1024*8;
4732 opt_default("b:a", "224000");
4733 parse_option(o, "ar", "44100", options);
4734 parse_option(o, "ac", "2", options);
4736 opt_default("packetsize", "2324");
4737 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4739 /* We have to offset the PTS, so that it is consistent with the SCR.
4740 SCR starts at 36000, but the first two packs contain only padding
4741 and the first pack from the other stream, respectively, may also have
4742 been written before.
4743 So the real data starts at SCR 36000+3*1200. */
4744 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4745 } else if (!strcmp(arg, "svcd")) {
4747 opt_video_codec(o, "c:v", "mpeg2video");
4748 opt_audio_codec(o, "c:a", "mp2");
4749 parse_option(o, "f", "svcd", options);
4751 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4752 parse_option(o, "r", frame_rates[norm], options);
4753 parse_option(o, "pix_fmt", "yuv420p", options);
4754 opt_default("g", norm == PAL ? "15" : "18");
4756 opt_default("b:v", "2040000");
4757 opt_default("maxrate", "2516000");
4758 opt_default("minrate", "0"); // 1145000;
4759 opt_default("bufsize", "1835008"); // 224*1024*8;
4760 opt_default("flags", "+scan_offset");
4763 opt_default("b:a", "224000");
4764 parse_option(o, "ar", "44100", options);
4766 opt_default("packetsize", "2324");
4768 } else if (!strcmp(arg, "dvd")) {
4770 opt_video_codec(o, "c:v", "mpeg2video");
4771 opt_audio_codec(o, "c:a", "ac3");
4772 parse_option(o, "f", "dvd", options);
4774 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4775 parse_option(o, "r", frame_rates[norm], options);
4776 parse_option(o, "pix_fmt", "yuv420p", options);
4777 opt_default("g", norm == PAL ? "15" : "18");
4779 opt_default("b:v", "6000000");
4780 opt_default("maxrate", "9000000");
4781 opt_default("minrate", "0"); // 1500000;
4782 opt_default("bufsize", "1835008"); // 224*1024*8;
4784 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4785 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4787 opt_default("b:a", "448000");
4788 parse_option(o, "ar", "48000", options);
4790 } else if (!strncmp(arg, "dv", 2)) {
4792 parse_option(o, "f", "dv", options);
4794 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4795 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4796 norm == PAL ? "yuv420p" : "yuv411p", options);
4797 parse_option(o, "r", frame_rates[norm], options);
4799 parse_option(o, "ar", "48000", options);
4800 parse_option(o, "ac", "2", options);
4803 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4804 return AVERROR(EINVAL);
4809 static int opt_vstats_file(const char *opt, const char *arg)
4811 av_free (vstats_filename);
4812 vstats_filename = av_strdup (arg);
4816 static int opt_vstats(const char *opt, const char *arg)
4819 time_t today2 = time(NULL);
4820 struct tm *today = localtime(&today2);
4822 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4824 return opt_vstats_file(opt, filename);
4827 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4829 return parse_option(o, "frames:v", arg, options);
4832 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4834 return parse_option(o, "frames:a", arg, options);
4837 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4839 return parse_option(o, "frames:d", arg, options);
4842 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4845 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4846 const char *codec_name = *opt == 'v' ? video_codec_name :
4847 *opt == 'a' ? audio_codec_name :
4848 subtitle_codec_name;
4850 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4851 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4852 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4854 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4859 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4860 if(line[0] == '#' && !e)
4862 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4864 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4867 if(!strcmp(tmp, "acodec")){
4868 opt_audio_codec(o, tmp, tmp2);
4869 }else if(!strcmp(tmp, "vcodec")){
4870 opt_video_codec(o, tmp, tmp2);
4871 }else if(!strcmp(tmp, "scodec")){
4872 opt_subtitle_codec(o, tmp, tmp2);
4873 }else if(!strcmp(tmp, "dcodec")){
4874 opt_data_codec(o, tmp, tmp2);
4875 }else if(opt_default(tmp, tmp2) < 0){
4876 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4886 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4890 static int opt_passlogfile(const char *opt, const char *arg)
4892 pass_logfilename_prefix = arg;
4893 #if CONFIG_LIBX264_ENCODER
4894 return opt_default("passlogfile", arg);
4900 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4902 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4903 int ret = parse_option(o, s, arg, options);
4908 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4910 if(!strcmp(opt, "b")){
4911 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4912 return parse_option(o, "b:v", arg, options);
4914 return opt_default(opt, arg);
4917 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4919 return parse_option(o, "filter:v", arg, options);
4922 static int opt_vsync(const char *opt, const char *arg)
4924 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4925 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4926 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4928 if (video_sync_method == VSYNC_AUTO)
4929 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4933 #define OFFSET(x) offsetof(OptionsContext, x)
4934 static const OptionDef options[] = {
4936 #include "cmdutils_common_opts.h"
4937 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4938 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4939 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4940 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4941 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4942 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4943 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4944 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4945 { "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]" },
4946 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4947 "outfile[,metadata]:infile[,metadata]" },
4948 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4949 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4950 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4951 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4952 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4953 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4954 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4955 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4956 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4957 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4958 "add timings for benchmarking" },
4959 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4960 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4961 "dump each input packet" },
4962 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4963 "when dumping packets, also dump the payload" },
4964 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4965 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4966 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4967 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4968 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4969 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4970 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4971 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4972 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
4973 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4974 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4975 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4976 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4977 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4978 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4979 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4980 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4982 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4984 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4985 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4986 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4989 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4990 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4991 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4992 { "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" },
4993 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4994 { "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" },
4995 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4996 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4997 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4998 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4999 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5000 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5001 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5002 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5003 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5004 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5005 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5006 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5007 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5008 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5009 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5010 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5011 "use same quantizer as source (implies VBR)" },
5012 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5013 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5014 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
5015 "deinterlace pictures" },
5016 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5017 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5018 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5020 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5022 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5023 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5024 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5025 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5026 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5027 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5028 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5029 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5030 { "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" },
5031 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5034 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5035 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5036 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5037 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5038 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5039 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5040 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5041 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5042 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5043 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5045 /* subtitle options */
5046 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5047 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5048 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5051 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5052 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5053 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5056 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5057 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5059 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5060 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5061 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5063 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5064 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5065 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5066 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5067 /* data codec support */
5068 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5069 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5071 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5075 int main(int argc, char **argv)
5077 OptionsContext o = { 0 };
5080 reset_options(&o, 0);
5082 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5083 parse_loglevel(argc, argv, options);
5085 if(argc>1 && !strcmp(argv[1], "-d")){
5087 av_log_set_callback(log_callback_null);
5092 avcodec_register_all();
5094 avdevice_register_all();
5097 avfilter_register_all();
5100 avformat_network_init();
5102 show_banner(argc, argv, options);
5107 parse_options(&o, argc, argv, options, opt_output_file);
5109 if (nb_output_files <= 0 && nb_input_files == 0) {
5111 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5115 /* file converter / grab */
5116 if (nb_output_files <= 0) {
5117 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5121 if (nb_input_files == 0) {
5122 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5127 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5129 ti = getutime() - ti;
5131 int maxrss = getmaxrss() / 1024;
5132 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);