FFmpeg: libavcodec/ffv1.h File Reference

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Data Structures | Macros | Functions

ffv1.h File Reference

FF Video Codec 1 (a lossless codec) More...

#include "libavutil/avassert.h"
#include "libavutil/crc.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/timer.h"
#include "avcodec.h"
#include "get_bits.h"
#include "internal.h"
#include "mathops.h"
#include "put_bits.h"
#include "rangecoder.h"
#include "thread.h"

Go to the source code of this file.

Data Structures

struct VlcState

struct PlaneContext

struct FFV1Context

Macros

#define MAX_PLANES 4

#define CONTEXT_SIZE 32

#define MAX_QUANT_TABLES 8

#define MAX_CONTEXT_INPUTS 5

#define MAX_SLICES 256

Functions

int ffv1_common_init (AVCodecContext *avctx)

int ffv1_init_slice_state (FFV1Context *f, FFV1Context *fs)

int ffv1_init_slices_state (FFV1Context *f)

int ffv1_init_slice_contexts (FFV1Context *f)

int ffv1_allocate_initial_states (FFV1Context *f)

void ffv1_clear_slice_state (FFV1Context *f, FFV1Context *fs)

int ffv1_close (AVCodecContext *avctx)

static av_always_inline int fold (int diff, int bits)

static int predict (int16_t *src, int16_t *last)

static int get_context (PlaneContext *p, int16_t *src, int16_t *last, int16_t *last2)

static void update_vlc_state (VlcState *const state, const int v)

Detailed Description

FF Video Codec 1 (a lossless codec)

Definition in file ffv1.h.

Macro Definition Documentation

#define MAX_PLANES 4

Definition at line 50 of file ffv1.h.

Referenced by encode_rgb_frame(), ff_draw_init(), ff_snow_common_end(), and ffv1_init_slice_contexts().

#define CONTEXT_SIZE 32

Definition at line 51 of file ffv1.h.

Referenced by decode_slice(), decode_slice_header(), encode_slice_header(), ffv1_clear_slice_state(), ffv1_init_slice_state(), read_extra_header(), read_header(), read_quant_table(), write_extradata(), write_header(), and write_quant_table().

#define MAX_QUANT_TABLES 8

Definition at line 53 of file ffv1.h.

Referenced by read_extra_header(), and update_thread_context().

#define MAX_CONTEXT_INPUTS 5

Definition at line 54 of file ffv1.h.

#define MAX_SLICES 256

Definition at line 72 of file ffv1.h.

Function Documentation

int ffv1_common_init ( AVCodecContext * avctx )

Definition at line 42 of file ffv1.c.

Referenced by decode_init(), and encode_init().

int ffv1_init_slice_state ( FFV1Context * f,

FFV1Context * fs

)

Definition at line 67 of file ffv1.c.

Referenced by decode_slice(), and ffv1_init_slices_state().

int ffv1_init_slices_state ( FFV1Context * f )

Definition at line 101 of file ffv1.c.

Referenced by encode_init().

int ffv1_init_slice_contexts ( FFV1Context * f )

Definition at line 112 of file ffv1.c.

Referenced by decode_init(), encode_init(), and init_thread_copy().

int ffv1_allocate_initial_states ( FFV1Context * f )

Definition at line 148 of file ffv1.c.

Referenced by encode_init(), and read_extra_header().

void ffv1_clear_slice_state ( FFV1Context * f,

FFV1Context * fs

)

Definition at line 163 of file ffv1.c.

Referenced by decode_slice(), encode_slice(), and encode_slice_header().

int ffv1_close ( AVCodecContext * avctx )

Definition at line 191 of file ffv1.c.

Referenced by encode_close().

static av_always_inline int fold ( int diff,

int bits

)

static

Definition at line 140 of file ffv1.h.

Referenced by encode_line(), get_vlc_symbol(), and put_vlc_symbol().

static int predict ( int16_t * src,

int16_t * last

)

inlinestatic

Definition at line 153 of file ffv1.h.

static int get_context ( PlaneContext * p,

int16_t * src,

int16_t * last,

int16_t * last2

)

inlinestatic

Definition at line 162 of file ffv1.h.

Referenced by decode_line(), and encode_line().

static void update_vlc_state ( VlcState *const state,

const int v

)

inlinestatic

Definition at line 184 of file ffv1.h.

Referenced by get_vlc_symbol(), and put_vlc_symbol().

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