mirror of https://github.com/FFmpeg/FFmpeg.git
parent
8f2aa89a5d
commit
f5e668273a
4 changed files with 2324 additions and 2179 deletions
@ -0,0 +1,360 @@ |
||||
/*
|
||||
* This file is part of Libav. |
||||
* |
||||
* Libav is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU Lesser General Public |
||||
* License as published by the Free Software Foundation; either |
||||
* version 2.1 of the License, or (at your option) any later version. |
||||
* |
||||
* Libav is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||||
* Lesser General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU Lesser General Public |
||||
* License along with Libav; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#ifndef AVCONV_H |
||||
#define AVCONV_H |
||||
|
||||
#include "config.h" |
||||
|
||||
#include <stdint.h> |
||||
#include <stdio.h> |
||||
|
||||
#if HAVE_PTHREADS |
||||
#include <pthread.h> |
||||
#endif |
||||
|
||||
#include "cmdutils.h" |
||||
|
||||
#include "libavformat/avformat.h" |
||||
#include "libavformat/avio.h" |
||||
|
||||
#include "libavcodec/avcodec.h" |
||||
|
||||
#include "libavfilter/avfilter.h" |
||||
#include "libavfilter/avfiltergraph.h" |
||||
|
||||
#include "libavutil/avutil.h" |
||||
#include "libavutil/dict.h" |
||||
#include "libavutil/fifo.h" |
||||
#include "libavutil/pixfmt.h" |
||||
#include "libavutil/rational.h" |
||||
|
||||
#define VSYNC_AUTO -1 |
||||
#define VSYNC_PASSTHROUGH 0 |
||||
#define VSYNC_CFR 1 |
||||
#define VSYNC_VFR 2 |
||||
|
||||
/* select an input stream for an output stream */ |
||||
typedef struct StreamMap { |
||||
int disabled; /** 1 is this mapping is disabled by a negative map */ |
||||
int file_index; |
||||
int stream_index; |
||||
int sync_file_index; |
||||
int sync_stream_index; |
||||
char *linklabel; /** name of an output link, for mapping lavfi outputs */ |
||||
} StreamMap; |
||||
|
||||
/**
|
||||
* select an input file for an output file |
||||
*/ |
||||
typedef struct MetadataMap { |
||||
int file; ///< file index
|
||||
char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
|
||||
int index; ///< stream/chapter/program number
|
||||
} MetadataMap; |
||||
|
||||
typedef struct OptionsContext { |
||||
/* input/output options */ |
||||
int64_t start_time; |
||||
const char *format; |
||||
|
||||
SpecifierOpt *codec_names; |
||||
int nb_codec_names; |
||||
SpecifierOpt *audio_channels; |
||||
int nb_audio_channels; |
||||
SpecifierOpt *audio_sample_rate; |
||||
int nb_audio_sample_rate; |
||||
SpecifierOpt *frame_rates; |
||||
int nb_frame_rates; |
||||
SpecifierOpt *frame_sizes; |
||||
int nb_frame_sizes; |
||||
SpecifierOpt *frame_pix_fmts; |
||||
int nb_frame_pix_fmts; |
||||
|
||||
/* input options */ |
||||
int64_t input_ts_offset; |
||||
int rate_emu; |
||||
|
||||
SpecifierOpt *ts_scale; |
||||
int nb_ts_scale; |
||||
SpecifierOpt *dump_attachment; |
||||
int nb_dump_attachment; |
||||
|
||||
/* output options */ |
||||
StreamMap *stream_maps; |
||||
int nb_stream_maps; |
||||
/* first item specifies output metadata, second is input */ |
||||
MetadataMap (*meta_data_maps)[2]; |
||||
int nb_meta_data_maps; |
||||
int metadata_global_manual; |
||||
int metadata_streams_manual; |
||||
int metadata_chapters_manual; |
||||
const char **attachments; |
||||
int nb_attachments; |
||||
|
||||
int chapters_input_file; |
||||
|
||||
int64_t recording_time; |
||||
uint64_t limit_filesize; |
||||
float mux_preload; |
||||
float mux_max_delay; |
||||
|
||||
int video_disable; |
||||
int audio_disable; |
||||
int subtitle_disable; |
||||
int data_disable; |
||||
|
||||
/* indexed by output file stream index */ |
||||
int *streamid_map; |
||||
int nb_streamid_map; |
||||
|
||||
SpecifierOpt *metadata; |
||||
int nb_metadata; |
||||
SpecifierOpt *max_frames; |
||||
int nb_max_frames; |
||||
SpecifierOpt *bitstream_filters; |
||||
int nb_bitstream_filters; |
||||
SpecifierOpt *codec_tags; |
||||
int nb_codec_tags; |
||||
SpecifierOpt *sample_fmts; |
||||
int nb_sample_fmts; |
||||
SpecifierOpt *qscale; |
||||
int nb_qscale; |
||||
SpecifierOpt *forced_key_frames; |
||||
int nb_forced_key_frames; |
||||
SpecifierOpt *force_fps; |
||||
int nb_force_fps; |
||||
SpecifierOpt *frame_aspect_ratios; |
||||
int nb_frame_aspect_ratios; |
||||
SpecifierOpt *rc_overrides; |
||||
int nb_rc_overrides; |
||||
SpecifierOpt *intra_matrices; |
||||
int nb_intra_matrices; |
||||
SpecifierOpt *inter_matrices; |
||||
int nb_inter_matrices; |
||||
SpecifierOpt *top_field_first; |
||||
int nb_top_field_first; |
||||
SpecifierOpt *metadata_map; |
||||
int nb_metadata_map; |
||||
SpecifierOpt *presets; |
||||
int nb_presets; |
||||
SpecifierOpt *copy_initial_nonkeyframes; |
||||
int nb_copy_initial_nonkeyframes; |
||||
SpecifierOpt *filters; |
||||
int nb_filters; |
||||
} OptionsContext; |
||||
|
||||
typedef struct InputFilter { |
||||
AVFilterContext *filter; |
||||
struct InputStream *ist; |
||||
struct FilterGraph *graph; |
||||
uint8_t *name; |
||||
} InputFilter; |
||||
|
||||
typedef struct OutputFilter { |
||||
AVFilterContext *filter; |
||||
struct OutputStream *ost; |
||||
struct FilterGraph *graph; |
||||
uint8_t *name; |
||||
|
||||
/* temporary storage until stream maps are processed */ |
||||
AVFilterInOut *out_tmp; |
||||
} OutputFilter; |
||||
|
||||
typedef struct FilterGraph { |
||||
int index; |
||||
const char *graph_desc; |
||||
|
||||
AVFilterGraph *graph; |
||||
|
||||
InputFilter **inputs; |
||||
int nb_inputs; |
||||
OutputFilter **outputs; |
||||
int nb_outputs; |
||||
} FilterGraph; |
||||
|
||||
typedef struct InputStream { |
||||
int file_index; |
||||
AVStream *st; |
||||
int discard; /* true if stream data should be discarded */ |
||||
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */ |
||||
AVCodec *dec; |
||||
AVFrame *decoded_frame; |
||||
|
||||
int64_t start; /* time when read started */ |
||||
/* predicted dts of the next packet read for this stream or (when there are
|
||||
* several frames in a packet) of the next frame in current packet */ |
||||
int64_t next_dts; |
||||
/* dts of the last packet read for this stream */ |
||||
int64_t last_dts; |
||||
PtsCorrectionContext pts_ctx; |
||||
double ts_scale; |
||||
int is_start; /* is 1 at the start and after a discontinuity */ |
||||
int showed_multi_packet_warning; |
||||
AVDictionary *opts; |
||||
AVRational framerate; /* framerate forced with -r */ |
||||
|
||||
int resample_height; |
||||
int resample_width; |
||||
int resample_pix_fmt; |
||||
|
||||
int resample_sample_fmt; |
||||
int resample_sample_rate; |
||||
int resample_channels; |
||||
uint64_t resample_channel_layout; |
||||
|
||||
/* a pool of free buffers for decoded data */ |
||||
FrameBuffer *buffer_pool; |
||||
|
||||
/* decoded data from this stream goes into all those filters
|
||||
* currently video and audio only */ |
||||
InputFilter **filters; |
||||
int nb_filters; |
||||
} InputStream; |
||||
|
||||
typedef struct InputFile { |
||||
AVFormatContext *ctx; |
||||
int eof_reached; /* true if eof reached */ |
||||
int ist_index; /* index of first stream in ist_table */ |
||||
int buffer_size; /* current total buffer size */ |
||||
int64_t ts_offset; |
||||
int nb_streams; /* number of stream that avconv is aware of; may be different
|
||||
from ctx.nb_streams if new streams appear during av_read_frame() */ |
||||
int rate_emu; |
||||
|
||||
#if HAVE_PTHREADS |
||||
pthread_t thread; /* thread reading from this file */ |
||||
int finished; /* the thread has exited */ |
||||
int joined; /* the thread has been joined */ |
||||
pthread_mutex_t fifo_lock; /* lock for access to fifo */ |
||||
pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */ |
||||
AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */ |
||||
#endif |
||||
} InputFile; |
||||
|
||||
typedef struct OutputStream { |
||||
int file_index; /* file index */ |
||||
int index; /* stream index in the output file */ |
||||
int source_index; /* InputStream index */ |
||||
AVStream *st; /* stream in the output file */ |
||||
int encoding_needed; /* true if encoding needed for this stream */ |
||||
int frame_number; |
||||
/* input pts and corresponding output pts
|
||||
for A/V sync */ |
||||
// double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
|
||||
struct InputStream *sync_ist; /* input stream to sync against */ |
||||
int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
|
||||
/* pts of the first frame encoded for this stream, used for limiting
|
||||
* recording time */ |
||||
int64_t first_pts; |
||||
AVBitStreamFilterContext *bitstream_filters; |
||||
AVCodec *enc; |
||||
int64_t max_frames; |
||||
AVFrame *filtered_frame; |
||||
|
||||
/* video only */ |
||||
AVRational frame_rate; |
||||
int force_fps; |
||||
int top_field_first; |
||||
|
||||
float frame_aspect_ratio; |
||||
float last_quality; |
||||
|
||||
/* forced key frames */ |
||||
int64_t *forced_kf_pts; |
||||
int forced_kf_count; |
||||
int forced_kf_index; |
||||
char *forced_keyframes; |
||||
|
||||
FILE *logfile; |
||||
|
||||
OutputFilter *filter; |
||||
char *avfilter; |
||||
|
||||
int64_t sws_flags; |
||||
AVDictionary *opts; |
||||
int is_past_recording_time; |
||||
int stream_copy; |
||||
const char *attachment_filename; |
||||
int copy_initial_nonkeyframes; |
||||
|
||||
enum PixelFormat pix_fmts[2]; |
||||
} OutputStream; |
||||
|
||||
typedef struct OutputFile { |
||||
AVFormatContext *ctx; |
||||
AVDictionary *opts; |
||||
int ost_index; /* index of the first stream in output_streams */ |
||||
int64_t recording_time; /* desired length of the resulting file in microseconds */ |
||||
int64_t start_time; /* start time in microseconds */ |
||||
uint64_t limit_filesize; |
||||
} OutputFile; |
||||
|
||||
extern InputStream **input_streams; |
||||
extern int nb_input_streams; |
||||
extern InputFile **input_files; |
||||
extern int nb_input_files; |
||||
|
||||
extern OutputStream **output_streams; |
||||
extern int nb_output_streams; |
||||
extern OutputFile **output_files; |
||||
extern int nb_output_files; |
||||
|
||||
extern FilterGraph **filtergraphs; |
||||
extern int nb_filtergraphs; |
||||
|
||||
extern char *pass_logfilename_prefix; |
||||
extern char *vstats_filename; |
||||
|
||||
extern float audio_drift_threshold; |
||||
extern float dts_delta_threshold; |
||||
|
||||
extern int audio_volume; |
||||
extern int audio_sync_method; |
||||
extern int video_sync_method; |
||||
extern int do_benchmark; |
||||
extern int do_deinterlace; |
||||
extern int do_hex_dump; |
||||
extern int do_pkt_dump; |
||||
extern int copy_ts; |
||||
extern int copy_tb; |
||||
extern int opt_shortest; |
||||
extern int exit_on_error; |
||||
extern int print_stats; |
||||
extern int qp_hist; |
||||
extern int same_quant; |
||||
|
||||
extern const AVIOInterruptCB int_cb; |
||||
|
||||
extern const OptionDef options[]; |
||||
|
||||
void reset_options(OptionsContext *o); |
||||
void show_usage(void); |
||||
|
||||
int opt_cpuflags(const char *opt, const char *arg); |
||||
|
||||
void opt_output_file(void *optctx, const char *filename); |
||||
|
||||
void assert_avoptions(AVDictionary *m); |
||||
|
||||
int guess_input_channel_layout(InputStream *ist); |
||||
|
||||
int configure_filtergraph(FilterGraph *fg); |
||||
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out); |
||||
|
||||
#endif /* AVCONV_H */ |
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue