mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-30 21:26:13 +02:00
![James Almer](/assets/img/avatar_default.png)
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com>
671 lines
20 KiB
C
671 lines
20 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef FFTOOLS_FFMPEG_H
|
|
#define FFTOOLS_FFMPEG_H
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
|
|
#include "cmdutils.h"
|
|
|
|
#include "libavformat/avformat.h"
|
|
#include "libavformat/avio.h"
|
|
|
|
#include "libavcodec/avcodec.h"
|
|
|
|
#include "libavfilter/avfilter.h"
|
|
|
|
#include "libavutil/avutil.h"
|
|
#include "libavutil/dict.h"
|
|
#include "libavutil/eval.h"
|
|
#include "libavutil/fifo.h"
|
|
#include "libavutil/hwcontext.h"
|
|
#include "libavutil/pixfmt.h"
|
|
#include "libavutil/rational.h"
|
|
#include "libavutil/thread.h"
|
|
#include "libavutil/threadmessage.h"
|
|
|
|
#include "libswresample/swresample.h"
|
|
|
|
#define VSYNC_AUTO -1
|
|
#define VSYNC_PASSTHROUGH 0
|
|
#define VSYNC_CFR 1
|
|
#define VSYNC_VFR 2
|
|
#define VSYNC_VSCFR 0xfe
|
|
#define VSYNC_DROP 0xff
|
|
|
|
#define MAX_STREAMS 1024 /* arbitrary sanity check value */
|
|
|
|
enum HWAccelID {
|
|
HWACCEL_NONE = 0,
|
|
HWACCEL_AUTO,
|
|
HWACCEL_GENERIC,
|
|
HWACCEL_VIDEOTOOLBOX,
|
|
HWACCEL_QSV,
|
|
HWACCEL_CUVID,
|
|
};
|
|
|
|
typedef struct HWAccel {
|
|
const char *name;
|
|
int (*init)(AVCodecContext *s);
|
|
enum HWAccelID id;
|
|
enum AVPixelFormat pix_fmt;
|
|
} HWAccel;
|
|
|
|
typedef struct HWDevice {
|
|
char *name;
|
|
enum AVHWDeviceType type;
|
|
AVBufferRef *device_ref;
|
|
} HWDevice;
|
|
|
|
/* 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;
|
|
|
|
typedef struct {
|
|
int file_idx, stream_idx, channel_idx; // input
|
|
int ofile_idx, ostream_idx; // output
|
|
} AudioChannelMap;
|
|
|
|
typedef struct OptionsContext {
|
|
OptionGroup *g;
|
|
|
|
/* input/output options */
|
|
int64_t start_time;
|
|
int64_t start_time_eof;
|
|
int seek_timestamp;
|
|
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 loop;
|
|
int rate_emu;
|
|
int accurate_seek;
|
|
int thread_queue_size;
|
|
|
|
SpecifierOpt *ts_scale;
|
|
int nb_ts_scale;
|
|
SpecifierOpt *dump_attachment;
|
|
int nb_dump_attachment;
|
|
SpecifierOpt *hwaccels;
|
|
int nb_hwaccels;
|
|
SpecifierOpt *hwaccel_devices;
|
|
int nb_hwaccel_devices;
|
|
SpecifierOpt *hwaccel_output_formats;
|
|
int nb_hwaccel_output_formats;
|
|
SpecifierOpt *autorotate;
|
|
int nb_autorotate;
|
|
|
|
/* output options */
|
|
StreamMap *stream_maps;
|
|
int nb_stream_maps;
|
|
AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
|
|
int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
|
|
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;
|
|
int64_t stop_time;
|
|
uint64_t limit_filesize;
|
|
float mux_preload;
|
|
float mux_max_delay;
|
|
int shortest;
|
|
int bitexact;
|
|
|
|
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 *chroma_intra_matrices;
|
|
int nb_chroma_intra_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 *copy_prior_start;
|
|
int nb_copy_prior_start;
|
|
SpecifierOpt *filters;
|
|
int nb_filters;
|
|
SpecifierOpt *filter_scripts;
|
|
int nb_filter_scripts;
|
|
SpecifierOpt *reinit_filters;
|
|
int nb_reinit_filters;
|
|
SpecifierOpt *fix_sub_duration;
|
|
int nb_fix_sub_duration;
|
|
SpecifierOpt *canvas_sizes;
|
|
int nb_canvas_sizes;
|
|
SpecifierOpt *pass;
|
|
int nb_pass;
|
|
SpecifierOpt *passlogfiles;
|
|
int nb_passlogfiles;
|
|
SpecifierOpt *max_muxing_queue_size;
|
|
int nb_max_muxing_queue_size;
|
|
SpecifierOpt *guess_layout_max;
|
|
int nb_guess_layout_max;
|
|
SpecifierOpt *apad;
|
|
int nb_apad;
|
|
SpecifierOpt *discard;
|
|
int nb_discard;
|
|
SpecifierOpt *disposition;
|
|
int nb_disposition;
|
|
SpecifierOpt *program;
|
|
int nb_program;
|
|
SpecifierOpt *time_bases;
|
|
int nb_time_bases;
|
|
SpecifierOpt *enc_time_bases;
|
|
int nb_enc_time_bases;
|
|
} OptionsContext;
|
|
|
|
typedef struct InputFilter {
|
|
AVFilterContext *filter;
|
|
struct InputStream *ist;
|
|
struct FilterGraph *graph;
|
|
uint8_t *name;
|
|
enum AVMediaType type; // AVMEDIA_TYPE_SUBTITLE for sub2video
|
|
|
|
AVFifoBuffer *frame_queue;
|
|
|
|
// parameters configured for this input
|
|
int format;
|
|
|
|
int width, height;
|
|
AVRational sample_aspect_ratio;
|
|
|
|
int sample_rate;
|
|
int channels;
|
|
uint64_t channel_layout;
|
|
|
|
AVBufferRef *hw_frames_ctx;
|
|
|
|
int eof;
|
|
} 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;
|
|
enum AVMediaType type;
|
|
|
|
/* desired output stream properties */
|
|
int width, height;
|
|
AVRational frame_rate;
|
|
int format;
|
|
int sample_rate;
|
|
uint64_t channel_layout;
|
|
|
|
// those are only set if no format is specified and the encoder gives us multiple options
|
|
int *formats;
|
|
uint64_t *channel_layouts;
|
|
int *sample_rates;
|
|
} OutputFilter;
|
|
|
|
typedef struct FilterGraph {
|
|
int index;
|
|
const char *graph_desc;
|
|
|
|
AVFilterGraph *graph;
|
|
int reconfiguration;
|
|
|
|
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 user_set_discard;
|
|
int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
|
|
#define DECODING_FOR_OST 1
|
|
#define DECODING_FOR_FILTER 2
|
|
|
|
AVCodecContext *dec_ctx;
|
|
AVCodec *dec;
|
|
AVFrame *decoded_frame;
|
|
AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
|
|
|
|
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 (in AV_TIME_BASE units) */
|
|
int64_t next_dts;
|
|
int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
|
|
|
|
int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
|
|
int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
|
|
int wrap_correction_done;
|
|
|
|
int64_t filter_in_rescale_delta_last;
|
|
|
|
int64_t min_pts; /* pts with the smallest value in a current stream */
|
|
int64_t max_pts; /* pts with the higher value in a current stream */
|
|
|
|
// when forcing constant input framerate through -r,
|
|
// this contains the pts that will be given to the next decoded frame
|
|
int64_t cfr_next_pts;
|
|
|
|
int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
|
|
|
|
double ts_scale;
|
|
int saw_first_ts;
|
|
AVDictionary *decoder_opts;
|
|
AVRational framerate; /* framerate forced with -r */
|
|
int top_field_first;
|
|
int guess_layout_max;
|
|
|
|
int autorotate;
|
|
|
|
int fix_sub_duration;
|
|
struct { /* previous decoded subtitle and related variables */
|
|
int got_output;
|
|
int ret;
|
|
AVSubtitle subtitle;
|
|
} prev_sub;
|
|
|
|
struct sub2video {
|
|
int64_t last_pts;
|
|
int64_t end_pts;
|
|
AVFifoBuffer *sub_queue; ///< queue of AVSubtitle* before filter init
|
|
AVFrame *frame;
|
|
int w, h;
|
|
} sub2video;
|
|
|
|
int dr1;
|
|
|
|
/* decoded data from this stream goes into all those filters
|
|
* currently video and audio only */
|
|
InputFilter **filters;
|
|
int nb_filters;
|
|
|
|
int reinit_filters;
|
|
|
|
/* hwaccel options */
|
|
enum HWAccelID hwaccel_id;
|
|
enum AVHWDeviceType hwaccel_device_type;
|
|
char *hwaccel_device;
|
|
enum AVPixelFormat hwaccel_output_format;
|
|
|
|
/* hwaccel context */
|
|
void *hwaccel_ctx;
|
|
void (*hwaccel_uninit)(AVCodecContext *s);
|
|
int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
|
|
int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
|
|
enum AVPixelFormat hwaccel_pix_fmt;
|
|
enum AVPixelFormat hwaccel_retrieved_pix_fmt;
|
|
AVBufferRef *hw_frames_ctx;
|
|
|
|
/* stats */
|
|
// combined size of all the packets read
|
|
uint64_t data_size;
|
|
/* number of packets successfully read for this stream */
|
|
uint64_t nb_packets;
|
|
// number of frames/samples retrieved from the decoder
|
|
uint64_t frames_decoded;
|
|
uint64_t samples_decoded;
|
|
|
|
int64_t *dts_buffer;
|
|
int nb_dts_buffer;
|
|
|
|
int got_output;
|
|
} InputStream;
|
|
|
|
typedef struct InputFile {
|
|
AVFormatContext *ctx;
|
|
int eof_reached; /* true if eof reached */
|
|
int eagain; /* true if last read attempt returned EAGAIN */
|
|
int ist_index; /* index of first stream in input_streams */
|
|
int loop; /* set number of times input stream should be looped */
|
|
int64_t duration; /* actual duration of the longest stream in a file
|
|
at the moment when looping happens */
|
|
AVRational time_base; /* time base of the duration */
|
|
int64_t input_ts_offset;
|
|
|
|
int64_t ts_offset;
|
|
int64_t last_ts;
|
|
int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
|
|
int seek_timestamp;
|
|
int64_t recording_time;
|
|
int nb_streams; /* number of stream that ffmpeg is aware of; may be different
|
|
from ctx.nb_streams if new streams appear during av_read_frame() */
|
|
int nb_streams_warn; /* number of streams that the user was warned of */
|
|
int rate_emu;
|
|
int accurate_seek;
|
|
|
|
#if HAVE_THREADS
|
|
AVThreadMessageQueue *in_thread_queue;
|
|
pthread_t thread; /* thread reading from this file */
|
|
int non_blocking; /* reading packets from the thread should not block */
|
|
int joined; /* the thread has been joined */
|
|
int thread_queue_size; /* maximum number of queued packets */
|
|
#endif
|
|
} InputFile;
|
|
|
|
enum forced_keyframes_const {
|
|
FKF_N,
|
|
FKF_N_FORCED,
|
|
FKF_PREV_FORCED_N,
|
|
FKF_PREV_FORCED_T,
|
|
FKF_T,
|
|
FKF_NB
|
|
};
|
|
|
|
#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
|
|
|
|
extern const char *const forced_keyframes_const_names[];
|
|
|
|
typedef enum {
|
|
ENCODER_FINISHED = 1,
|
|
MUXER_FINISHED = 2,
|
|
} OSTFinished ;
|
|
|
|
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 */
|
|
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;
|
|
/* dts of the last packet sent to the muxer */
|
|
int64_t last_mux_dts;
|
|
// the timebase of the packets sent to the muxer
|
|
AVRational mux_timebase;
|
|
AVRational enc_timebase;
|
|
|
|
int nb_bitstream_filters;
|
|
AVBSFContext **bsf_ctx;
|
|
|
|
AVCodecContext *enc_ctx;
|
|
AVCodecParameters *ref_par; /* associated input codec parameters with encoders options applied */
|
|
AVCodec *enc;
|
|
int64_t max_frames;
|
|
AVFrame *filtered_frame;
|
|
AVFrame *last_frame;
|
|
int last_dropped;
|
|
int last_nb0_frames[3];
|
|
|
|
void *hwaccel_ctx;
|
|
|
|
/* video only */
|
|
AVRational frame_rate;
|
|
int is_cfr;
|
|
int force_fps;
|
|
int top_field_first;
|
|
int rotate_overridden;
|
|
double rotate_override_value;
|
|
|
|
AVRational frame_aspect_ratio;
|
|
|
|
/* forced key frames */
|
|
int64_t *forced_kf_pts;
|
|
int forced_kf_count;
|
|
int forced_kf_index;
|
|
char *forced_keyframes;
|
|
AVExpr *forced_keyframes_pexpr;
|
|
double forced_keyframes_expr_const_values[FKF_NB];
|
|
|
|
/* audio only */
|
|
int *audio_channels_map; /* list of the channels id to pick from the source stream */
|
|
int audio_channels_mapped; /* number of channels in audio_channels_map */
|
|
|
|
char *logfile_prefix;
|
|
FILE *logfile;
|
|
|
|
OutputFilter *filter;
|
|
char *avfilter;
|
|
char *filters; ///< filtergraph associated to the -filter option
|
|
char *filters_script; ///< filtergraph script associated to the -filter_script option
|
|
|
|
AVDictionary *encoder_opts;
|
|
AVDictionary *sws_dict;
|
|
AVDictionary *swr_opts;
|
|
AVDictionary *resample_opts;
|
|
char *apad;
|
|
OSTFinished finished; /* no more packets should be written for this stream */
|
|
int unavailable; /* true if the steram is unavailable (possibly temporarily) */
|
|
int stream_copy;
|
|
|
|
// init_output_stream() has been called for this stream
|
|
// The encoder and the bitstream filters have been initialized and the stream
|
|
// parameters are set in the AVStream.
|
|
int initialized;
|
|
|
|
int inputs_done;
|
|
|
|
const char *attachment_filename;
|
|
int copy_initial_nonkeyframes;
|
|
int copy_prior_start;
|
|
char *disposition;
|
|
|
|
int keep_pix_fmt;
|
|
|
|
AVCodecParserContext *parser;
|
|
AVCodecContext *parser_avctx;
|
|
|
|
/* stats */
|
|
// combined size of all the packets written
|
|
uint64_t data_size;
|
|
// number of packets send to the muxer
|
|
uint64_t packets_written;
|
|
// number of frames/samples sent to the encoder
|
|
uint64_t frames_encoded;
|
|
uint64_t samples_encoded;
|
|
|
|
/* packet quality factor */
|
|
int quality;
|
|
|
|
int max_muxing_queue_size;
|
|
|
|
/* the packets are buffered here until the muxer is ready to be initialized */
|
|
AVFifoBuffer *muxing_queue;
|
|
|
|
/* packet picture type */
|
|
int pict_type;
|
|
|
|
/* frame encode sum of squared error values */
|
|
int64_t error[4];
|
|
} 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 == AV_TIME_BASE units
|
|
int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
|
|
uint64_t limit_filesize; /* filesize limit expressed in bytes */
|
|
|
|
int shortest;
|
|
|
|
int header_written;
|
|
} 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 *vstats_filename;
|
|
extern char *sdp_filename;
|
|
|
|
extern float audio_drift_threshold;
|
|
extern float dts_delta_threshold;
|
|
extern float dts_error_threshold;
|
|
|
|
extern int audio_volume;
|
|
extern int audio_sync_method;
|
|
extern int video_sync_method;
|
|
extern float frame_drop_threshold;
|
|
extern int do_benchmark;
|
|
extern int do_benchmark_all;
|
|
extern int do_deinterlace;
|
|
extern int do_hex_dump;
|
|
extern int do_pkt_dump;
|
|
extern int copy_ts;
|
|
extern int start_at_zero;
|
|
extern int copy_tb;
|
|
extern int debug_ts;
|
|
extern int exit_on_error;
|
|
extern int abort_on_flags;
|
|
extern int print_stats;
|
|
extern int qp_hist;
|
|
extern int stdin_interaction;
|
|
extern int frame_bits_per_raw_sample;
|
|
extern AVIOContext *progress_avio;
|
|
extern float max_error_rate;
|
|
extern char *videotoolbox_pixfmt;
|
|
|
|
extern int filter_nbthreads;
|
|
extern int filter_complex_nbthreads;
|
|
extern int vstats_version;
|
|
|
|
extern const AVIOInterruptCB int_cb;
|
|
|
|
extern const OptionDef options[];
|
|
extern const HWAccel hwaccels[];
|
|
extern AVBufferRef *hw_device_ctx;
|
|
#if CONFIG_QSV
|
|
extern char *qsv_device;
|
|
#endif
|
|
extern HWDevice *filter_hw_device;
|
|
|
|
|
|
void term_init(void);
|
|
void term_exit(void);
|
|
|
|
void reset_options(OptionsContext *o, int is_input);
|
|
void show_usage(void);
|
|
|
|
void opt_output_file(void *optctx, const char *filename);
|
|
|
|
void remove_avoptions(AVDictionary **a, AVDictionary *b);
|
|
void assert_avoptions(AVDictionary *m);
|
|
|
|
int guess_input_channel_layout(InputStream *ist);
|
|
|
|
enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target);
|
|
void choose_sample_fmt(AVStream *st, AVCodec *codec);
|
|
|
|
int configure_filtergraph(FilterGraph *fg);
|
|
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
|
|
void check_filter_outputs(void);
|
|
int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
|
|
int filtergraph_is_simple(FilterGraph *fg);
|
|
int init_simple_filtergraph(InputStream *ist, OutputStream *ost);
|
|
int init_complex_filtergraph(FilterGraph *fg);
|
|
|
|
void sub2video_update(InputStream *ist, AVSubtitle *sub);
|
|
|
|
int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame);
|
|
|
|
int ffmpeg_parse_options(int argc, char **argv);
|
|
|
|
int videotoolbox_init(AVCodecContext *s);
|
|
int qsv_init(AVCodecContext *s);
|
|
int cuvid_init(AVCodecContext *s);
|
|
|
|
HWDevice *hw_device_get_by_name(const char *name);
|
|
int hw_device_init_from_string(const char *arg, HWDevice **dev);
|
|
void hw_device_free_all(void);
|
|
|
|
int hw_device_setup_for_decode(InputStream *ist);
|
|
int hw_device_setup_for_encode(OutputStream *ost);
|
|
|
|
int hwaccel_decode_init(AVCodecContext *avctx);
|
|
|
|
#endif /* FFTOOLS_FFMPEG_H */
|