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 (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2364 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2365 ist->file_index, ist->st->index);
2366 return AVERROR(EINVAL);
2368 assert_codec_experimental(ist->st->codec, 0);
2369 assert_avoptions(ist->opts);
2372 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;
2373 ist->next_pts = AV_NOPTS_VALUE;
2379 static int transcode_init(OutputFile *output_files, int nb_output_files,
2380 InputFile *input_files, int nb_input_files)
2382 int ret = 0, i, j, k;
2383 AVFormatContext *oc;
2384 AVCodecContext *codec, *icodec;
2390 /* init framerate emulation */
2391 for (i = 0; i < nb_input_files; i++) {
2392 InputFile *ifile = &input_files[i];
2393 if (ifile->rate_emu)
2394 for (j = 0; j < ifile->nb_streams; j++)
2395 input_streams[j + ifile->ist_index].start = av_gettime();
2398 /* output stream init */
2399 for (i = 0; i < nb_output_files; i++) {
2400 oc = output_files[i].ctx;
2401 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2402 av_dump_format(oc, i, oc->filename, 1);
2403 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2404 return AVERROR(EINVAL);
2408 /* for each output stream, we compute the right encoding parameters */
2409 for (i = 0; i < nb_output_streams; i++) {
2410 ost = &output_streams[i];
2411 oc = output_files[ost->file_index].ctx;
2412 ist = &input_streams[ost->source_index];
2414 if (ost->attachment_filename)
2417 codec = ost->st->codec;
2418 icodec = ist->st->codec;
2420 ost->st->disposition = ist->st->disposition;
2421 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2422 codec->chroma_sample_location = icodec->chroma_sample_location;
2424 if (ost->stream_copy) {
2425 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2427 if (extra_size > INT_MAX) {
2428 return AVERROR(EINVAL);
2431 /* if stream_copy is selected, no need to decode or encode */
2432 codec->codec_id = icodec->codec_id;
2433 codec->codec_type = icodec->codec_type;
2435 if (!codec->codec_tag) {
2436 if (!oc->oformat->codec_tag ||
2437 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2438 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2439 codec->codec_tag = icodec->codec_tag;
2442 codec->bit_rate = icodec->bit_rate;
2443 codec->rc_max_rate = icodec->rc_max_rate;
2444 codec->rc_buffer_size = icodec->rc_buffer_size;
2445 codec->field_order = icodec->field_order;
2446 codec->extradata = av_mallocz(extra_size);
2447 if (!codec->extradata) {
2448 return AVERROR(ENOMEM);
2450 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2451 codec->extradata_size= icodec->extradata_size;
2453 codec->time_base = ist->st->time_base;
2454 if(!strcmp(oc->oformat->name, "avi")) {
2455 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2456 && av_q2d(ist->st->time_base) < 1.0/500
2458 codec->time_base = icodec->time_base;
2459 codec->time_base.num *= icodec->ticks_per_frame;
2460 codec->time_base.den *= 2;
2462 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2463 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2464 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2466 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2467 && av_q2d(ist->st->time_base) < 1.0/500
2469 codec->time_base = icodec->time_base;
2470 codec->time_base.num *= icodec->ticks_per_frame;
2473 av_reduce(&codec->time_base.num, &codec->time_base.den,
2474 codec->time_base.num, codec->time_base.den, INT_MAX);
2476 switch (codec->codec_type) {
2477 case AVMEDIA_TYPE_AUDIO:
2478 if (audio_volume != 256) {
2479 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2482 codec->channel_layout = icodec->channel_layout;
2483 codec->sample_rate = icodec->sample_rate;
2484 codec->channels = icodec->channels;
2485 codec->frame_size = icodec->frame_size;
2486 codec->audio_service_type = icodec->audio_service_type;
2487 codec->block_align = icodec->block_align;
2489 case AVMEDIA_TYPE_VIDEO:
2490 codec->pix_fmt = icodec->pix_fmt;
2491 codec->width = icodec->width;
2492 codec->height = icodec->height;
2493 codec->has_b_frames = icodec->has_b_frames;
2494 if (!codec->sample_aspect_ratio.num) {
2495 codec->sample_aspect_ratio =
2496 ost->st->sample_aspect_ratio =
2497 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2498 ist->st->codec->sample_aspect_ratio.num ?
2499 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2501 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2503 case AVMEDIA_TYPE_SUBTITLE:
2504 codec->width = icodec->width;
2505 codec->height = icodec->height;
2507 case AVMEDIA_TYPE_DATA:
2508 case AVMEDIA_TYPE_ATTACHMENT:
2515 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2517 ist->decoding_needed = 1;
2518 ost->encoding_needed = 1;
2520 switch (codec->codec_type) {
2521 case AVMEDIA_TYPE_AUDIO:
2522 ost->fifo = av_fifo_alloc(1024);
2524 return AVERROR(ENOMEM);
2526 if (!codec->sample_rate)
2527 codec->sample_rate = icodec->sample_rate;
2528 choose_sample_rate(ost->st, ost->enc);
2529 codec->time_base = (AVRational){ 1, codec->sample_rate };
2531 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2532 codec->sample_fmt = icodec->sample_fmt;
2533 choose_sample_fmt(ost->st, ost->enc);
2535 if (ost->audio_channels_mapped) {
2536 /* the requested output channel is set to the number of
2537 * -map_channel only if no -ac are specified */
2538 if (!codec->channels) {
2539 codec->channels = ost->audio_channels_mapped;
2540 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2541 if (!codec->channel_layout) {
2542 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2546 /* fill unused channel mapping with -1 (which means a muted
2547 * channel in case the number of output channels is bigger
2548 * than the number of mapped channel) */
2549 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2550 ost->audio_channels_map[j] = -1;
2551 } else if (!codec->channels) {
2552 codec->channels = icodec->channels;
2553 codec->channel_layout = icodec->channel_layout;
2555 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2556 codec->channel_layout = 0;
2558 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2559 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2560 || codec->channel_layout != icodec->channel_layout;
2561 icodec->request_channels = codec->channels;
2562 ost->resample_sample_fmt = icodec->sample_fmt;
2563 ost->resample_sample_rate = icodec->sample_rate;
2564 ost->resample_channels = icodec->channels;
2566 case AVMEDIA_TYPE_VIDEO:
2567 if (codec->pix_fmt == PIX_FMT_NONE)
2568 codec->pix_fmt = icodec->pix_fmt;
2569 choose_pixel_fmt(ost->st, ost->enc);
2571 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2572 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2576 if (!codec->width || !codec->height) {
2577 codec->width = icodec->width;
2578 codec->height = icodec->height;
2581 ost->video_resample = codec->width != icodec->width ||
2582 codec->height != icodec->height ||
2583 codec->pix_fmt != icodec->pix_fmt;
2584 if (ost->video_resample) {
2585 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2588 ost->resample_height = icodec->height;
2589 ost->resample_width = icodec->width;
2590 ost->resample_pix_fmt = icodec->pix_fmt;
2592 if (!ost->frame_rate.num)
2593 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2594 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2595 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2596 ost->frame_rate = ost->enc->supported_framerates[idx];
2598 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2599 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method
2600 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2601 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2602 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2604 for (j = 0; j < ost->forced_kf_count; j++)
2605 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2610 if (configure_video_filters(ist, ost)) {
2611 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2616 case AVMEDIA_TYPE_SUBTITLE:
2623 if (codec->codec_id != CODEC_ID_H264 &&
2624 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2625 char logfilename[1024];
2628 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2629 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2631 if (codec->flags & CODEC_FLAG_PASS2) {
2633 size_t logbuffer_size;
2634 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2635 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2639 codec->stats_in = logbuffer;
2641 if (codec->flags & CODEC_FLAG_PASS1) {
2642 f = fopen(logfilename, "wb");
2644 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2645 logfilename, strerror(errno));
2652 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2653 /* maximum video buffer size is 8-bytes per pixel, plus DPX header size (1664)*/
2654 int size = codec->width * codec->height;
2655 bit_buffer_size = FFMAX(bit_buffer_size, 9*size + 10000);
2660 bit_buffer = av_malloc(bit_buffer_size);
2662 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2664 return AVERROR(ENOMEM);
2667 /* open each encoder */
2668 for (i = 0; i < nb_output_streams; i++) {
2669 ost = &output_streams[i];
2670 if (ost->encoding_needed) {
2671 AVCodec *codec = ost->enc;
2672 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2674 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2675 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2676 ret = AVERROR(EINVAL);
2679 if (dec->subtitle_header) {
2680 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2681 if (!ost->st->codec->subtitle_header) {
2682 ret = AVERROR(ENOMEM);
2685 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2686 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2688 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2689 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2690 ost->file_index, ost->index);
2691 ret = AVERROR(EINVAL);
2694 assert_codec_experimental(ost->st->codec, 1);
2695 assert_avoptions(ost->opts);
2696 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2697 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2698 " It takes bits/s as argument, not kbits/s\n");
2699 extra_size += ost->st->codec->extradata_size;
2701 if (ost->st->codec->me_threshold)
2702 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2706 /* init input streams */
2707 for (i = 0; i < nb_input_streams; i++)
2708 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2711 /* discard unused programs */
2712 for (i = 0; i < nb_input_files; i++) {
2713 InputFile *ifile = &input_files[i];
2714 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2715 AVProgram *p = ifile->ctx->programs[j];
2716 int discard = AVDISCARD_ALL;
2718 for (k = 0; k < p->nb_stream_indexes; k++)
2719 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2720 discard = AVDISCARD_DEFAULT;
2723 p->discard = discard;
2727 /* open files and write file headers */
2728 for (i = 0; i < nb_output_files; i++) {
2729 oc = output_files[i].ctx;
2730 oc->interrupt_callback = int_cb;
2731 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2732 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2733 ret = AVERROR(EINVAL);
2736 // assert_avoptions(output_files[i].opts);
2737 if (strcmp(oc->oformat->name, "rtp")) {
2743 /* dump the file output parameters - cannot be done before in case
2745 for (i = 0; i < nb_output_files; i++) {
2746 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2749 /* dump the stream mapping */
2750 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2751 for (i = 0; i < nb_output_streams; i++) {
2752 ost = &output_streams[i];
2754 if (ost->attachment_filename) {
2755 /* an attached file */
2756 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2757 ost->attachment_filename, ost->file_index, ost->index);
2760 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2761 input_streams[ost->source_index].file_index,
2762 input_streams[ost->source_index].st->index,
2765 if (ost->audio_channels_mapped) {
2766 av_log(NULL, AV_LOG_INFO, " [ch:");
2767 for (j = 0; j < ost->audio_channels_mapped; j++)
2768 if (ost->audio_channels_map[j] == -1)
2769 av_log(NULL, AV_LOG_INFO, " M");
2771 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2772 av_log(NULL, AV_LOG_INFO, "]");
2774 if (ost->sync_ist != &input_streams[ost->source_index])
2775 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2776 ost->sync_ist->file_index,
2777 ost->sync_ist->st->index);
2778 if (ost->stream_copy)
2779 av_log(NULL, AV_LOG_INFO, " (copy)");
2781 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2782 input_streams[ost->source_index].dec->name : "?",
2783 ost->enc ? ost->enc->name : "?");
2784 av_log(NULL, AV_LOG_INFO, "\n");
2788 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2793 print_sdp(output_files, nb_output_files);
2800 * The following code is the main loop of the file converter
2802 static int transcode(OutputFile *output_files, int nb_output_files,
2803 InputFile *input_files, int nb_input_files)
2806 AVFormatContext *is, *os;
2810 int no_packet_count = 0;
2811 int64_t timer_start;
2814 if (!(no_packet = av_mallocz(nb_input_files)))
2817 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2822 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2825 timer_start = av_gettime();
2827 for (; received_sigterm == 0;) {
2828 int file_index, ist_index;
2832 int64_t cur_time= av_gettime();
2834 ipts_min = INT64_MAX;
2836 /* if 'q' pressed, exits */
2838 static int64_t last_time;
2839 if (received_nb_signals)
2841 /* read_key() returns 0 on EOF */
2842 if(cur_time - last_time >= 100000 && !run_as_daemon){
2844 last_time = cur_time;
2849 if (key == '+') av_log_set_level(av_log_get_level()+10);
2850 if (key == '-') av_log_set_level(av_log_get_level()-10);
2851 if (key == 's') qp_hist ^= 1;
2854 do_hex_dump = do_pkt_dump = 0;
2855 } else if(do_pkt_dump){
2859 av_log_set_level(AV_LOG_DEBUG);
2862 if (key == 'c' || key == 'C'){
2863 char buf[4096], target[64], command[256], arg[256] = {0};
2866 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2868 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2873 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2874 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2875 target, time, command, arg);
2876 for (i = 0; i < nb_output_streams; i++) {
2877 ost = &output_streams[i];
2880 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2881 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2882 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2884 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2889 av_log(NULL, AV_LOG_ERROR,
2890 "Parse error, at least 3 arguments were expected, "
2891 "only %d given in string '%s'\n", n, buf);
2895 if (key == 'd' || key == 'D'){
2898 debug = input_streams[0].st->codec->debug<<1;
2899 if(!debug) debug = 1;
2900 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2903 if(scanf("%d", &debug)!=1)
2904 fprintf(stderr,"error parsing debug value\n");
2905 for(i=0;i<nb_input_streams;i++) {
2906 input_streams[i].st->codec->debug = debug;
2908 for(i=0;i<nb_output_streams;i++) {
2909 ost = &output_streams[i];
2910 ost->st->codec->debug = debug;
2912 if(debug) av_log_set_level(AV_LOG_DEBUG);
2913 fprintf(stderr,"debug=%d\n", debug);
2916 fprintf(stderr, "key function\n"
2917 "? show this help\n"
2918 "+ increase verbosity\n"
2919 "- decrease verbosity\n"
2920 "c Send command to filtergraph\n"
2921 "D cycle through available debug modes\n"
2922 "h dump packets/hex press to cycle through the 3 states\n"
2924 "s Show QP histogram\n"
2929 /* select the stream that we must read now by looking at the
2930 smallest output pts */
2932 for (i = 0; i < nb_output_streams; i++) {
2936 ost = &output_streams[i];
2937 of = &output_files[ost->file_index];
2938 os = output_files[ost->file_index].ctx;
2939 ist = &input_streams[ost->source_index];
2940 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2941 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2943 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2945 if (!input_files[ist->file_index].eof_reached) {
2946 if (ipts < ipts_min) {
2949 file_index = ist->file_index;
2951 if (opts < opts_min) {
2953 if (!input_sync) file_index = ist->file_index;
2956 if (ost->frame_number >= ost->max_frames) {
2958 for (j = 0; j < of->ctx->nb_streams; j++)
2959 output_streams[of->ost_index + j].is_past_recording_time = 1;
2963 /* if none, if is finished */
2964 if (file_index < 0) {
2965 if (no_packet_count) {
2966 no_packet_count = 0;
2967 memset(no_packet, 0, nb_input_files);
2974 /* read a frame from it and output it in the fifo */
2975 is = input_files[file_index].ctx;
2976 ret = av_read_frame(is, &pkt);
2977 if (ret == AVERROR(EAGAIN)) {
2978 no_packet[file_index] = 1;
2983 input_files[file_index].eof_reached = 1;
2990 no_packet_count = 0;
2991 memset(no_packet, 0, nb_input_files);
2994 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2995 is->streams[pkt.stream_index]);
2997 /* the following test is needed in case new streams appear
2998 dynamically in stream : we ignore them */
2999 if (pkt.stream_index >= input_files[file_index].nb_streams)
3000 goto discard_packet;
3001 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3002 ist = &input_streams[ist_index];
3004 goto discard_packet;
3006 if (pkt.dts != AV_NOPTS_VALUE)
3007 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3008 if (pkt.pts != AV_NOPTS_VALUE)
3009 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3011 if (pkt.pts != AV_NOPTS_VALUE)
3012 pkt.pts *= ist->ts_scale;
3013 if (pkt.dts != AV_NOPTS_VALUE)
3014 pkt.dts *= ist->ts_scale;
3016 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3018 // pkt.dts, input_files[ist->file_index].ts_offset,
3019 // ist->st->codec->codec_type);
3020 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
3021 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3022 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3023 int64_t delta = pkt_dts - ist->next_pts;
3024 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3025 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3026 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3027 pkt_dts+1<ist->pts)&& !copy_ts){
3028 input_files[ist->file_index].ts_offset -= delta;
3029 av_log(NULL, AV_LOG_DEBUG,
3030 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3031 delta, input_files[ist->file_index].ts_offset);
3032 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3033 if (pkt.pts != AV_NOPTS_VALUE)
3034 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3038 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3039 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3041 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3042 ist->file_index, ist->st->index);
3045 av_free_packet(&pkt);
3050 av_free_packet(&pkt);
3052 /* dump report by using the output first video and audio streams */
3053 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3056 /* at the end of stream, we must flush the decoder buffers */
3057 for (i = 0; i < nb_input_streams; i++) {
3058 ist = &input_streams[i];
3059 if (ist->decoding_needed) {
3060 output_packet(ist, output_streams, nb_output_streams, NULL);
3063 flush_encoders(output_streams, nb_output_streams);
3067 /* write the trailer if needed and close file */
3068 for (i = 0; i < nb_output_files; i++) {
3069 os = output_files[i].ctx;
3070 av_write_trailer(os);
3073 /* dump report by using the first video and audio streams */
3074 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3076 /* close each encoder */
3077 for (i = 0; i < nb_output_streams; i++) {
3078 ost = &output_streams[i];
3079 if (ost->encoding_needed) {
3080 av_freep(&ost->st->codec->stats_in);
3081 avcodec_close(ost->st->codec);
3084 avfilter_graph_free(&ost->graph);
3088 /* close each decoder */
3089 for (i = 0; i < nb_input_streams; i++) {
3090 ist = &input_streams[i];
3091 if (ist->decoding_needed) {
3092 avcodec_close(ist->st->codec);
3100 av_freep(&bit_buffer);
3101 av_freep(&no_packet);
3103 if (output_streams) {
3104 for (i = 0; i < nb_output_streams; i++) {
3105 ost = &output_streams[i];
3107 if (ost->stream_copy)
3108 av_freep(&ost->st->codec->extradata);
3110 fclose(ost->logfile);
3111 ost->logfile = NULL;
3113 av_fifo_free(ost->fifo); /* works even if fifo is not
3114 initialized but set to zero */
3115 av_freep(&ost->st->codec->subtitle_header);
3116 av_free(ost->resample_frame.data[0]);
3117 av_free(ost->forced_kf_pts);
3118 if (ost->video_resample)
3119 sws_freeContext(ost->img_resample_ctx);
3120 swr_free(&ost->swr);
3121 av_dict_free(&ost->opts);
3128 static int opt_frame_crop(const char *opt, const char *arg)
3130 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3131 return AVERROR(EINVAL);
3134 static int opt_pad(const char *opt, const char *arg)
3136 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3140 static double parse_frame_aspect_ratio(const char *arg)
3147 p = strchr(arg, ':');
3149 x = strtol(arg, &end, 10);
3151 y = strtol(end + 1, &end, 10);
3153 ar = (double)x / (double)y;
3155 ar = strtod(arg, NULL);
3158 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
3164 static int opt_video_channel(const char *opt, const char *arg)
3166 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3167 return opt_default("channel", arg);
3170 static int opt_video_standard(const char *opt, const char *arg)
3172 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3173 return opt_default("standard", arg);
3176 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3178 audio_codec_name = arg;
3179 return parse_option(o, "codec:a", arg, options);
3182 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3184 video_codec_name = arg;
3185 return parse_option(o, "codec:v", arg, options);
3188 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3190 subtitle_codec_name = arg;
3191 return parse_option(o, "codec:s", arg, options);
3194 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3196 return parse_option(o, "codec:d", arg, options);
3199 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3201 StreamMap *m = NULL;
3202 int i, negative = 0, file_idx;
3203 int sync_file_idx = -1, sync_stream_idx = 0;
3211 map = av_strdup(arg);
3213 /* parse sync stream first, just pick first matching stream */
3214 if (sync = strchr(map, ',')) {
3216 sync_file_idx = strtol(sync + 1, &sync, 0);
3217 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3218 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3223 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3224 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3225 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3226 sync_stream_idx = i;
3229 if (i == input_files[sync_file_idx].nb_streams) {
3230 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3231 "match any streams.\n", arg);
3237 file_idx = strtol(map, &p, 0);
3238 if (file_idx >= nb_input_files || file_idx < 0) {
3239 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3243 /* disable some already defined maps */
3244 for (i = 0; i < o->nb_stream_maps; i++) {
3245 m = &o->stream_maps[i];
3246 if (file_idx == m->file_index &&
3247 check_stream_specifier(input_files[m->file_index].ctx,
3248 input_files[m->file_index].ctx->streams[m->stream_index],
3249 *p == ':' ? p + 1 : p) > 0)
3253 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3254 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3255 *p == ':' ? p + 1 : p) <= 0)
3257 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3258 &o->nb_stream_maps, o->nb_stream_maps + 1);
3259 m = &o->stream_maps[o->nb_stream_maps - 1];
3261 m->file_index = file_idx;
3262 m->stream_index = i;
3264 if (sync_file_idx >= 0) {
3265 m->sync_file_index = sync_file_idx;
3266 m->sync_stream_index = sync_stream_idx;
3268 m->sync_file_index = file_idx;
3269 m->sync_stream_index = i;
3274 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3282 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3284 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3285 &o->nb_attachments, o->nb_attachments + 1);
3286 o->attachments[o->nb_attachments - 1] = arg;
3290 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3296 o->audio_channel_maps =
3297 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3298 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3299 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3301 /* muted channel syntax */
3302 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3303 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3304 m->file_idx = m->stream_idx = -1;
3306 m->ofile_idx = m->ostream_idx = -1;
3311 n = sscanf(arg, "%d.%d.%d:%d.%d",
3312 &m->file_idx, &m->stream_idx, &m->channel_idx,
3313 &m->ofile_idx, &m->ostream_idx);
3315 if (n != 3 && n != 5) {
3316 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3317 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3321 if (n != 5) // only file.stream.channel specified
3322 m->ofile_idx = m->ostream_idx = -1;
3325 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3326 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3330 if (m->stream_idx < 0 ||
3331 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3332 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3333 m->file_idx, m->stream_idx);
3336 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3337 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3338 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3339 m->file_idx, m->stream_idx);
3342 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3343 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3344 m->file_idx, m->stream_idx, m->channel_idx);
3351 * Parse a metadata specifier in arg.
3352 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3353 * @param index for type c/p, chapter/program index is written here
3354 * @param stream_spec for type s, the stream specifier is written here
3356 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3364 if (*(++arg) && *arg != ':') {
3365 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3368 *stream_spec = *arg == ':' ? arg + 1 : "";
3372 if (*(++arg) == ':')
3373 *index = strtol(++arg, NULL, 0);
3376 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3383 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3385 AVDictionary **meta_in = NULL;
3386 AVDictionary **meta_out = NULL;
3388 char type_in, type_out;
3389 const char *istream_spec = NULL, *ostream_spec = NULL;
3390 int idx_in = 0, idx_out = 0;
3392 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3393 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3395 if (type_in == 'g' || type_out == 'g')
3396 o->metadata_global_manual = 1;
3397 if (type_in == 's' || type_out == 's')
3398 o->metadata_streams_manual = 1;
3399 if (type_in == 'c' || type_out == 'c')
3400 o->metadata_chapters_manual = 1;
3402 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3403 if ((index) < 0 || (index) >= (nb_elems)) {\
3404 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3409 #define SET_DICT(type, meta, context, index)\
3412 meta = &context->metadata;\
3415 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3416 meta = &context->chapters[index]->metadata;\
3419 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3420 meta = &context->programs[index]->metadata;\
3424 SET_DICT(type_in, meta_in, ic, idx_in);
3425 SET_DICT(type_out, meta_out, oc, idx_out);
3427 /* for input streams choose first matching stream */
3428 if (type_in == 's') {
3429 for (i = 0; i < ic->nb_streams; i++) {
3430 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3431 meta_in = &ic->streams[i]->metadata;
3437 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3442 if (type_out == 's') {
3443 for (i = 0; i < oc->nb_streams; i++) {
3444 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3445 meta_out = &oc->streams[i]->metadata;
3446 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3451 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3456 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3459 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3460 struct tm time = *gmtime((time_t*)&recording_timestamp);
3461 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3462 parse_option(o, "metadata", buf, options);
3464 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3465 "tag instead.\n", opt);
3469 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3471 const char *codec_string = encoder ? "encoder" : "decoder";
3475 avcodec_find_encoder_by_name(name) :
3476 avcodec_find_decoder_by_name(name);
3478 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3481 if (codec->type != type) {
3482 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3488 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3490 char *codec_name = NULL;
3492 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3494 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3495 st->codec->codec_id = codec->id;
3498 return avcodec_find_decoder(st->codec->codec_id);
3502 * Add all the streams from the given input file to the global
3503 * list of input streams.
3505 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3508 char *next, *codec_tag = NULL;
3510 for (i = 0; i < ic->nb_streams; i++) {
3511 AVStream *st = ic->streams[i];
3512 AVCodecContext *dec = st->codec;
3515 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3516 ist = &input_streams[nb_input_streams - 1];
3518 ist->file_index = nb_input_files;
3520 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3522 ist->ts_scale = 1.0;
3523 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3525 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3527 uint32_t tag = strtol(codec_tag, &next, 0);
3529 tag = AV_RL32(codec_tag);
3530 st->codec->codec_tag = tag;
3533 ist->dec = choose_decoder(o, ic, st);
3535 switch (dec->codec_type) {
3536 case AVMEDIA_TYPE_AUDIO:
3538 ist->dec = avcodec_find_decoder(dec->codec_id);
3539 if (o->audio_disable)
3540 st->discard = AVDISCARD_ALL;
3542 case AVMEDIA_TYPE_VIDEO:
3544 ist->dec = avcodec_find_decoder(dec->codec_id);
3546 dec->flags |= CODEC_FLAG_EMU_EDGE;
3549 if (o->video_disable)
3550 st->discard = AVDISCARD_ALL;
3551 else if (video_discard)
3552 st->discard = video_discard;
3554 case AVMEDIA_TYPE_DATA:
3555 if (o->data_disable)
3556 st->discard= AVDISCARD_ALL;
3558 case AVMEDIA_TYPE_SUBTITLE:
3560 ist->dec = avcodec_find_decoder(dec->codec_id);
3561 if(o->subtitle_disable)
3562 st->discard = AVDISCARD_ALL;
3564 case AVMEDIA_TYPE_ATTACHMENT:
3565 case AVMEDIA_TYPE_UNKNOWN:
3573 static void assert_file_overwrite(const char *filename)
3575 if ((!file_overwrite || no_file_overwrite) &&
3576 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3577 av_strstart(filename, "file:", NULL))) {
3578 if (avio_check(filename, 0) == 0) {
3579 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3580 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3583 signal(SIGINT, SIG_DFL);
3584 if (!read_yesno()) {
3585 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3591 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3598 static void dump_attachment(AVStream *st, const char *filename)
3601 AVIOContext *out = NULL;
3602 AVDictionaryEntry *e;
3604 if (!st->codec->extradata_size) {
3605 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3606 nb_input_files - 1, st->index);
3609 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3610 filename = e->value;
3612 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3613 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3617 assert_file_overwrite(filename);
3619 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3620 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3625 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3630 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3632 AVFormatContext *ic;
3633 AVInputFormat *file_iformat = NULL;
3637 AVDictionary **opts;
3638 int orig_nb_streams; // number of streams before avformat_find_stream_info
3641 if (!(file_iformat = av_find_input_format(o->format))) {
3642 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3647 if (!strcmp(filename, "-"))
3650 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3651 !strcmp(filename, "/dev/stdin");
3653 /* get default parameters from command line */
3654 ic = avformat_alloc_context();
3656 print_error(filename, AVERROR(ENOMEM));
3659 if (o->nb_audio_sample_rate) {
3660 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3661 av_dict_set(&format_opts, "sample_rate", buf, 0);
3663 if (o->nb_audio_channels) {
3664 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3665 av_dict_set(&format_opts, "channels", buf, 0);
3667 if (o->nb_frame_rates) {
3668 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3670 if (o->nb_frame_sizes) {
3671 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3673 if (o->nb_frame_pix_fmts)
3674 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3676 ic->video_codec_id = video_codec_name ?
3677 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3678 ic->audio_codec_id = audio_codec_name ?
3679 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3680 ic->subtitle_codec_id= subtitle_codec_name ?
3681 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3682 ic->flags |= AVFMT_FLAG_NONBLOCK;
3683 ic->interrupt_callback = int_cb;
3686 av_log(NULL, AV_LOG_WARNING,
3687 "-loop_input is deprecated, use -loop 1\n"
3688 "Note, both loop options only work with -f image2\n"
3690 ic->loop_input = loop_input;
3693 /* open the input file with generic avformat function */
3694 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3696 print_error(filename, err);
3699 assert_avoptions(format_opts);
3701 /* apply forced codec ids */
3702 for (i = 0; i < ic->nb_streams; i++)
3703 choose_decoder(o, ic, ic->streams[i]);
3705 /* Set AVCodecContext options for avformat_find_stream_info */
3706 opts = setup_find_stream_info_opts(ic, codec_opts);
3707 orig_nb_streams = ic->nb_streams;
3709 /* If not enough info to get the stream parameters, we decode the
3710 first frames to get it. (used in mpeg case for example) */
3711 ret = avformat_find_stream_info(ic, opts);
3713 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3714 avformat_close_input(&ic);
3718 timestamp = o->start_time;
3719 /* add the stream start time */
3720 if (ic->start_time != AV_NOPTS_VALUE)
3721 timestamp += ic->start_time;
3723 /* if seeking requested, we execute it */
3724 if (o->start_time != 0) {
3725 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3727 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3728 filename, (double)timestamp / AV_TIME_BASE);
3732 /* update the current parameters so that they match the one of the input stream */
3733 add_input_streams(o, ic);
3735 /* dump the file content */
3736 av_dump_format(ic, nb_input_files, filename, 0);
3738 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3739 input_files[nb_input_files - 1].ctx = ic;
3740 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3741 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3742 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3743 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3745 for (i = 0; i < o->nb_dump_attachment; i++) {
3748 for (j = 0; j < ic->nb_streams; j++) {
3749 AVStream *st = ic->streams[j];
3751 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3752 dump_attachment(st, o->dump_attachment[i].u.str);
3756 for (i = 0; i < orig_nb_streams; i++)
3757 av_dict_free(&opts[i]);
3760 reset_options(o, 1);
3764 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3769 for (p = kf; *p; p++)
3772 ost->forced_kf_count = n;
3773 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3774 if (!ost->forced_kf_pts) {
3775 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3778 for (i = 0; i < n; i++) {
3779 p = i ? strchr(p, ',') + 1 : kf;
3780 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3784 static uint8_t *get_line(AVIOContext *s)
3790 if (avio_open_dyn_buf(&line) < 0) {
3791 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3795 while ((c = avio_r8(s)) && c != '\n')
3798 avio_close_dyn_buf(line, &buf);
3803 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3806 char filename[1000];
3807 const char *base[3] = { getenv("AVCONV_DATADIR"),
3812 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3816 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3817 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3818 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3821 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3822 i != 1 ? "" : "/.avconv", preset_name);
3823 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3829 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3831 char *codec_name = NULL;
3833 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3835 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3836 NULL, ost->st->codec->codec_type);
3837 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3838 } else if (!strcmp(codec_name, "copy"))
3839 ost->stream_copy = 1;
3841 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3842 ost->st->codec->codec_id = ost->enc->id;
3846 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3849 AVStream *st = avformat_new_stream(oc, NULL);
3850 int idx = oc->nb_streams - 1, ret = 0;
3851 char *bsf = NULL, *next, *codec_tag = NULL;
3852 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3854 char *buf = NULL, *arg = NULL, *preset = NULL;
3855 AVIOContext *s = NULL;
3858 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3862 if (oc->nb_streams - 1 < o->nb_streamid_map)
3863 st->id = o->streamid_map[oc->nb_streams - 1];
3865 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3866 nb_output_streams + 1);
3867 ost = &output_streams[nb_output_streams - 1];
3868 ost->file_index = nb_output_files;
3871 st->codec->codec_type = type;
3872 choose_encoder(o, oc, ost);
3874 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3877 avcodec_get_context_defaults3(st->codec, ost->enc);
3878 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3880 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3881 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3884 if (!buf[0] || buf[0] == '#') {
3888 if (!(arg = strchr(buf, '='))) {
3889 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3893 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3895 } while (!s->eof_reached);
3899 av_log(NULL, AV_LOG_FATAL,
3900 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3901 preset, ost->file_index, ost->index);
3905 ost->max_frames = INT64_MAX;
3906 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3908 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3910 if (next = strchr(bsf, ','))
3912 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3913 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3917 bsfc_prev->next = bsfc;
3919 ost->bitstream_filters = bsfc;
3925 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3927 uint32_t tag = strtol(codec_tag, &next, 0);
3929 tag = AV_RL32(codec_tag);
3930 st->codec->codec_tag = tag;
3933 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3934 if (qscale >= 0 || same_quant) {
3935 st->codec->flags |= CODEC_FLAG_QSCALE;
3936 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3939 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3940 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3942 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3946 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3949 const char *p = str;
3956 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3963 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3967 AVCodecContext *video_enc;
3969 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3971 video_enc = st->codec;
3973 if (!ost->stream_copy) {
3974 const char *p = NULL;
3975 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3976 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3977 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3980 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3981 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3982 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3986 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3987 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3988 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3992 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3993 if (frame_aspect_ratio)
3994 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3996 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3997 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3998 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3999 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4002 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4005 video_enc->gop_size = 0;
4006 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4008 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4009 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4012 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4014 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4016 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4017 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4020 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4023 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4024 for (i = 0; p; i++) {
4026 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4028 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4031 /* FIXME realloc failure */
4032 video_enc->rc_override =
4033 av_realloc(video_enc->rc_override,
4034 sizeof(RcOverride) * (i + 1));
4035 video_enc->rc_override[i].start_frame = start;
4036 video_enc->rc_override[i].end_frame = end;
4038 video_enc->rc_override[i].qscale = q;
4039 video_enc->rc_override[i].quality_factor = 1.0;
4042 video_enc->rc_override[i].qscale = 0;
4043 video_enc->rc_override[i].quality_factor = -q/100.0;
4048 video_enc->rc_override_count = i;
4049 if (!video_enc->rc_initial_buffer_occupancy)
4050 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4051 video_enc->intra_dc_precision = intra_dc_precision - 8;
4054 video_enc->flags|= CODEC_FLAG_PSNR;
4059 video_enc->flags |= CODEC_FLAG_PASS1;
4062 video_enc->flags |= CODEC_FLAG_PASS2;
4066 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4067 if (forced_key_frames)
4068 parse_forced_key_frames(forced_key_frames, ost);
4070 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4072 ost->top_field_first = -1;
4073 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4076 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4078 ost->avfilter = av_strdup(filters);
4081 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4087 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4092 AVCodecContext *audio_enc;
4094 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4097 audio_enc = st->codec;
4098 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4100 if (!ost->stream_copy) {
4101 char *sample_fmt = NULL;
4103 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4105 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4107 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4108 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4112 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4114 ost->rematrix_volume=1.0;
4115 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4118 /* check for channel mapping for this audio stream */
4119 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4120 AudioChannelMap *map = &o->audio_channel_maps[n];
4121 InputStream *ist = &input_streams[ost->source_index];
4122 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4123 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4124 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4125 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4126 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4128 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4129 ost->file_index, ost->st->index);
4136 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4140 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4141 if (!ost->stream_copy) {
4142 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4149 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4151 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4152 ost->stream_copy = 1;
4156 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4160 AVCodecContext *subtitle_enc;
4162 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4164 subtitle_enc = st->codec;
4166 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4171 /* arg format is "output-stream-index:streamid-value". */
4172 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4178 av_strlcpy(idx_str, arg, sizeof(idx_str));
4179 p = strchr(idx_str, ':');
4181 av_log(NULL, AV_LOG_FATAL,
4182 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4187 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4188 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4189 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4193 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4195 AVFormatContext *is = ifile->ctx;
4196 AVFormatContext *os = ofile->ctx;
4199 for (i = 0; i < is->nb_chapters; i++) {
4200 AVChapter *in_ch = is->chapters[i], *out_ch;
4201 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4202 AV_TIME_BASE_Q, in_ch->time_base);
4203 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4204 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4207 if (in_ch->end < ts_off)
4209 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4212 out_ch = av_mallocz(sizeof(AVChapter));
4214 return AVERROR(ENOMEM);
4216 out_ch->id = in_ch->id;
4217 out_ch->time_base = in_ch->time_base;
4218 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4219 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4222 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4225 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4227 return AVERROR(ENOMEM);
4228 os->chapters[os->nb_chapters - 1] = out_ch;
4233 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4236 AVFormatContext *ic = avformat_alloc_context();
4238 ic->interrupt_callback = int_cb;
4239 err = avformat_open_input(&ic, filename, NULL, NULL);
4242 /* copy stream format */
4243 for(i=0;i<ic->nb_streams;i++) {
4247 AVCodecContext *avctx;
4249 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4250 ost = new_output_stream(o, s, codec->type);
4255 // FIXME: a more elegant solution is needed
4256 memcpy(st, ic->streams[i], sizeof(AVStream));
4257 st->info = av_malloc(sizeof(*st->info));
4258 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4260 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4262 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4263 choose_sample_fmt(st, codec);
4264 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4265 choose_pixel_fmt(st, codec);
4268 avformat_close_input(&ic);
4272 static void opt_output_file(void *optctx, const char *filename)
4274 OptionsContext *o = optctx;
4275 AVFormatContext *oc;
4277 AVOutputFormat *file_oformat;
4281 if (!strcmp(filename, "-"))
4284 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4286 print_error(filename, err);
4289 file_oformat= oc->oformat;
4290 oc->interrupt_callback = int_cb;
4292 if (!strcmp(file_oformat->name, "ffm") &&
4293 av_strstart(filename, "http:", NULL)) {
4295 /* special case for files sent to ffserver: we get the stream
4296 parameters from ffserver */
4297 int err = read_ffserver_streams(o, oc, filename);
4299 print_error(filename, err);
4302 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4303 ost = &output_streams[j];
4304 for (i = 0; i < nb_input_streams; i++) {
4305 ist = &input_streams[i];
4306 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4308 ost->source_index= i;
4314 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));
4318 } else if (!o->nb_stream_maps) {
4319 /* pick the "best" stream of each type */
4320 #define NEW_STREAM(type, index)\
4322 ost = new_ ## type ## _stream(o, oc);\
4323 ost->source_index = index;\
4324 ost->sync_ist = &input_streams[index];\
4325 input_streams[index].discard = 0;\
4328 /* video: highest resolution */
4329 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4330 int area = 0, idx = -1;
4331 for (i = 0; i < nb_input_streams; i++) {
4332 ist = &input_streams[i];
4333 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4334 ist->st->codec->width * ist->st->codec->height > area) {
4335 area = ist->st->codec->width * ist->st->codec->height;
4339 NEW_STREAM(video, idx);
4342 /* audio: most channels */
4343 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4344 int channels = 0, idx = -1;
4345 for (i = 0; i < nb_input_streams; i++) {
4346 ist = &input_streams[i];
4347 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4348 ist->st->codec->channels > channels) {
4349 channels = ist->st->codec->channels;
4353 NEW_STREAM(audio, idx);
4356 /* subtitles: pick first */
4357 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4358 for (i = 0; i < nb_input_streams; i++)
4359 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4360 NEW_STREAM(subtitle, i);
4364 /* do something with data? */
4366 for (i = 0; i < o->nb_stream_maps; i++) {
4367 StreamMap *map = &o->stream_maps[i];
4372 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4373 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4375 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4377 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4379 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4382 switch (ist->st->codec->codec_type) {
4383 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4384 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4385 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4386 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4387 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4389 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4390 map->file_index, map->stream_index);
4394 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4395 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4396 map->sync_stream_index];
4401 /* handle attached files */
4402 for (i = 0; i < o->nb_attachments; i++) {
4404 uint8_t *attachment;
4408 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4409 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4413 if ((len = avio_size(pb)) <= 0) {
4414 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4418 if (!(attachment = av_malloc(len))) {
4419 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4423 avio_read(pb, attachment, len);
4425 ost = new_attachment_stream(o, oc);
4426 ost->stream_copy = 0;
4427 ost->source_index = -1;
4428 ost->attachment_filename = o->attachments[i];
4429 ost->st->codec->extradata = attachment;
4430 ost->st->codec->extradata_size = len;
4432 p = strrchr(o->attachments[i], '/');
4433 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4437 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4438 output_files[nb_output_files - 1].ctx = oc;
4439 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4440 output_files[nb_output_files - 1].recording_time = o->recording_time;
4441 output_files[nb_output_files - 1].start_time = o->start_time;
4442 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4443 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4445 /* check filename in case of an image number is expected */
4446 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4447 if (!av_filename_number_test(oc->filename)) {
4448 print_error(oc->filename, AVERROR(EINVAL));
4453 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4454 /* test if it already exists to avoid losing precious files */
4455 assert_file_overwrite(filename);
4458 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4459 &oc->interrupt_callback,
4460 &output_files[nb_output_files - 1].opts)) < 0) {
4461 print_error(filename, err);
4466 if (o->mux_preload) {
4468 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4469 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4471 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4473 if (loop_output >= 0) {
4474 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4475 oc->loop_output = loop_output;
4479 for (i = 0; i < o->nb_metadata_map; i++) {
4481 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4483 if (in_file_index < 0)
4485 if (in_file_index >= nb_input_files) {
4486 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4489 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4493 if (o->chapters_input_file >= nb_input_files) {
4494 if (o->chapters_input_file == INT_MAX) {
4495 /* copy chapters from the first input file that has them*/
4496 o->chapters_input_file = -1;
4497 for (i = 0; i < nb_input_files; i++)
4498 if (input_files[i].ctx->nb_chapters) {
4499 o->chapters_input_file = i;
4503 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4504 o->chapters_input_file);
4508 if (o->chapters_input_file >= 0)
4509 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4510 !o->metadata_chapters_manual);
4512 /* copy global metadata by default */
4513 if (!o->metadata_global_manual && nb_input_files){
4514 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4515 AV_DICT_DONT_OVERWRITE);
4516 if(o->recording_time != INT64_MAX)
4517 av_dict_set(&oc->metadata, "duration", NULL, 0);
4519 if (!o->metadata_streams_manual)
4520 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4522 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4524 ist = &input_streams[output_streams[i].source_index];
4525 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4528 /* process manually set metadata */
4529 for (i = 0; i < o->nb_metadata; i++) {
4532 const char *stream_spec;
4533 int index = 0, j, ret = 0;
4535 val = strchr(o->metadata[i].u.str, '=');
4537 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4538 o->metadata[i].u.str);
4543 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4545 for (j = 0; j < oc->nb_streams; j++) {
4546 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4547 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4551 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4559 if (index < 0 || index >= oc->nb_chapters) {
4560 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4563 m = &oc->chapters[index]->metadata;
4566 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4569 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4573 reset_options(o, 0);
4576 /* same option as mencoder */
4577 static int opt_pass(const char *opt, const char *arg)
4579 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4583 static int64_t getutime(void)
4586 struct rusage rusage;
4588 getrusage(RUSAGE_SELF, &rusage);
4589 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4590 #elif HAVE_GETPROCESSTIMES
4592 FILETIME c, e, k, u;
4593 proc = GetCurrentProcess();
4594 GetProcessTimes(proc, &c, &e, &k, &u);
4595 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4597 return av_gettime();
4601 static int64_t getmaxrss(void)
4603 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4604 struct rusage rusage;
4605 getrusage(RUSAGE_SELF, &rusage);
4606 return (int64_t)rusage.ru_maxrss * 1024;
4607 #elif HAVE_GETPROCESSMEMORYINFO
4609 PROCESS_MEMORY_COUNTERS memcounters;
4610 proc = GetCurrentProcess();
4611 memcounters.cb = sizeof(memcounters);
4612 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4613 return memcounters.PeakPagefileUsage;
4619 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4621 return parse_option(o, "q:a", arg, options);
4624 static void show_usage(void)
4626 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4627 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4628 av_log(NULL, AV_LOG_INFO, "\n");
4631 static int opt_help(const char *opt, const char *arg)
4633 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4634 av_log_set_callback(log_callback_help);
4636 show_help_options(options, "Main options:\n",
4637 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4638 show_help_options(options, "\nAdvanced options:\n",
4639 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4641 show_help_options(options, "\nVideo options:\n",
4642 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4644 show_help_options(options, "\nAdvanced Video options:\n",
4645 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4646 OPT_VIDEO | OPT_EXPERT);
4647 show_help_options(options, "\nAudio options:\n",
4648 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4650 show_help_options(options, "\nAdvanced Audio options:\n",
4651 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4652 OPT_AUDIO | OPT_EXPERT);
4653 show_help_options(options, "\nSubtitle options:\n",
4654 OPT_SUBTITLE | OPT_GRAB,
4656 show_help_options(options, "\nAudio/Video grab options:\n",
4660 show_help_children(avcodec_get_class(), flags);
4661 show_help_children(avformat_get_class(), flags);
4662 show_help_children(sws_get_class(), flags);
4667 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4669 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4670 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4672 if (!strncmp(arg, "pal-", 4)) {
4675 } else if (!strncmp(arg, "ntsc-", 5)) {
4678 } else if (!strncmp(arg, "film-", 5)) {
4682 /* Try to determine PAL/NTSC by peeking in the input files */
4683 if (nb_input_files) {
4685 for (j = 0; j < nb_input_files; j++) {
4686 for (i = 0; i < input_files[j].nb_streams; i++) {
4687 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4688 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4690 fr = c->time_base.den * 1000 / c->time_base.num;
4694 } else if ((fr == 29970) || (fr == 23976)) {
4699 if (norm != UNKNOWN)
4703 if (norm != UNKNOWN)
4704 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4707 if (norm == UNKNOWN) {
4708 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4709 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4710 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4714 if (!strcmp(arg, "vcd")) {
4715 opt_video_codec(o, "c:v", "mpeg1video");
4716 opt_audio_codec(o, "c:a", "mp2");
4717 parse_option(o, "f", "vcd", options);
4719 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4720 parse_option(o, "r", frame_rates[norm], options);
4721 opt_default("g", norm == PAL ? "15" : "18");
4723 opt_default("b:v", "1150000");
4724 opt_default("maxrate", "1150000");
4725 opt_default("minrate", "1150000");
4726 opt_default("bufsize", "327680"); // 40*1024*8;
4728 opt_default("b:a", "224000");
4729 parse_option(o, "ar", "44100", options);
4730 parse_option(o, "ac", "2", options);
4732 opt_default("packetsize", "2324");
4733 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4735 /* We have to offset the PTS, so that it is consistent with the SCR.
4736 SCR starts at 36000, but the first two packs contain only padding
4737 and the first pack from the other stream, respectively, may also have
4738 been written before.
4739 So the real data starts at SCR 36000+3*1200. */
4740 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4741 } else if (!strcmp(arg, "svcd")) {
4743 opt_video_codec(o, "c:v", "mpeg2video");
4744 opt_audio_codec(o, "c:a", "mp2");
4745 parse_option(o, "f", "svcd", options);
4747 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4748 parse_option(o, "r", frame_rates[norm], options);
4749 parse_option(o, "pix_fmt", "yuv420p", options);
4750 opt_default("g", norm == PAL ? "15" : "18");
4752 opt_default("b:v", "2040000");
4753 opt_default("maxrate", "2516000");
4754 opt_default("minrate", "0"); // 1145000;
4755 opt_default("bufsize", "1835008"); // 224*1024*8;
4756 opt_default("flags", "+scan_offset");
4759 opt_default("b:a", "224000");
4760 parse_option(o, "ar", "44100", options);
4762 opt_default("packetsize", "2324");
4764 } else if (!strcmp(arg, "dvd")) {
4766 opt_video_codec(o, "c:v", "mpeg2video");
4767 opt_audio_codec(o, "c:a", "ac3");
4768 parse_option(o, "f", "dvd", options);
4770 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4771 parse_option(o, "r", frame_rates[norm], options);
4772 parse_option(o, "pix_fmt", "yuv420p", options);
4773 opt_default("g", norm == PAL ? "15" : "18");
4775 opt_default("b:v", "6000000");
4776 opt_default("maxrate", "9000000");
4777 opt_default("minrate", "0"); // 1500000;
4778 opt_default("bufsize", "1835008"); // 224*1024*8;
4780 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4781 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4783 opt_default("b:a", "448000");
4784 parse_option(o, "ar", "48000", options);
4786 } else if (!strncmp(arg, "dv", 2)) {
4788 parse_option(o, "f", "dv", options);
4790 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4791 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4792 norm == PAL ? "yuv420p" : "yuv411p", options);
4793 parse_option(o, "r", frame_rates[norm], options);
4795 parse_option(o, "ar", "48000", options);
4796 parse_option(o, "ac", "2", options);
4799 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4800 return AVERROR(EINVAL);
4805 static int opt_vstats_file(const char *opt, const char *arg)
4807 av_free (vstats_filename);
4808 vstats_filename = av_strdup (arg);
4812 static int opt_vstats(const char *opt, const char *arg)
4815 time_t today2 = time(NULL);
4816 struct tm *today = localtime(&today2);
4818 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4820 return opt_vstats_file(opt, filename);
4823 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4825 return parse_option(o, "frames:v", arg, options);
4828 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4830 return parse_option(o, "frames:a", arg, options);
4833 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4835 return parse_option(o, "frames:d", arg, options);
4838 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4841 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4842 const char *codec_name = *opt == 'v' ? video_codec_name :
4843 *opt == 'a' ? audio_codec_name :
4844 subtitle_codec_name;
4846 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4847 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4848 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4850 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4855 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4856 if(line[0] == '#' && !e)
4858 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4860 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4863 if(!strcmp(tmp, "acodec")){
4864 opt_audio_codec(o, tmp, tmp2);
4865 }else if(!strcmp(tmp, "vcodec")){
4866 opt_video_codec(o, tmp, tmp2);
4867 }else if(!strcmp(tmp, "scodec")){
4868 opt_subtitle_codec(o, tmp, tmp2);
4869 }else if(!strcmp(tmp, "dcodec")){
4870 opt_data_codec(o, tmp, tmp2);
4871 }else if(opt_default(tmp, tmp2) < 0){
4872 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4882 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4886 static int opt_passlogfile(const char *opt, const char *arg)
4888 pass_logfilename_prefix = arg;
4889 #if CONFIG_LIBX264_ENCODER
4890 return opt_default("passlogfile", arg);
4896 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4898 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4899 int ret = parse_option(o, s, arg, options);
4904 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4906 if(!strcmp(opt, "b")){
4907 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4908 return parse_option(o, "b:v", arg, options);
4910 return opt_default(opt, arg);
4913 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4915 return parse_option(o, "filter:v", arg, options);
4918 static int opt_vsync(const char *opt, const char *arg)
4920 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4921 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4922 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4924 if (video_sync_method == VSYNC_AUTO)
4925 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4929 #define OFFSET(x) offsetof(OptionsContext, x)
4930 static const OptionDef options[] = {
4932 #include "cmdutils_common_opts.h"
4933 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4934 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4935 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4936 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4937 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4938 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4939 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4940 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4941 { "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]" },
4942 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4943 "outfile[,metadata]:infile[,metadata]" },
4944 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4945 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4946 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4947 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4948 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4949 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4950 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4951 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4952 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4953 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4954 "add timings for benchmarking" },
4955 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4956 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4957 "dump each input packet" },
4958 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4959 "when dumping packets, also dump the payload" },
4960 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4961 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4962 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4963 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4964 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4965 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4966 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4967 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4968 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
4969 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4970 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4971 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4972 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4973 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4974 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4975 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4976 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4978 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4980 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4981 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4982 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4985 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4986 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4987 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4988 { "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" },
4989 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4990 { "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" },
4991 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4992 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4993 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4994 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4995 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4996 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4997 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4998 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4999 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5000 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5001 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5002 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5003 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5004 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5005 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5006 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5007 "use same quantizer as source (implies VBR)" },
5008 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5009 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5010 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
5011 "deinterlace pictures" },
5012 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5013 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5014 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5016 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5018 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5019 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5020 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5021 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5022 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5023 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5024 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5025 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5026 { "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" },
5027 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5030 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5031 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5032 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5033 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5034 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5035 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5036 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5037 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5038 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5039 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5041 /* subtitle options */
5042 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5043 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5044 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5047 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5048 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5049 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5052 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5053 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5055 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5056 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5057 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5059 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5060 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5061 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5062 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5063 /* data codec support */
5064 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5065 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5067 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5071 int main(int argc, char **argv)
5073 OptionsContext o = { 0 };
5076 reset_options(&o, 0);
5078 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5079 parse_loglevel(argc, argv, options);
5081 if(argc>1 && !strcmp(argv[1], "-d")){
5083 av_log_set_callback(log_callback_null);
5088 avcodec_register_all();
5090 avdevice_register_all();
5093 avfilter_register_all();
5096 avformat_network_init();
5098 show_banner(argc, argv, options);
5103 parse_options(&o, argc, argv, options, opt_output_file);
5105 if (nb_output_files <= 0 && nb_input_files == 0) {
5107 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5111 /* file converter / grab */
5112 if (nb_output_files <= 0) {
5113 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5117 if (nb_input_files == 0) {
5118 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5123 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5125 ti = getutime() - ti;
5127 int maxrss = getmaxrss() / 1024;
5128 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);