FFmpeg: libavcodec/ffv1.h File Reference

FFmpeg

libavcodec

ffv1.h File Reference

#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "get_bits.h"
#include "mathops.h"
#include "put_bits.h"
#include "rangecoder.h"
#include "threadframe.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 AC_GOLOMB_RICE 0

#define AC_RANGE_DEFAULT_TAB 1

#define AC_RANGE_CUSTOM_TAB 2

#define AC_RANGE_DEFAULT_TAB_FORCE -2

#define MAX_SLICES 1024

Functions

int ff_ffv1_common_init (AVCodecContext *avctx)

int ff_ffv1_init_slice_state (const FFV1Context *f, FFV1Context *fs)

int ff_ffv1_init_slices_state (FFV1Context *f)

int ff_ffv1_init_slice_contexts (FFV1Context *f)

int ff_ffv1_allocate_initial_states (FFV1Context *f)

void ff_ffv1_clear_slice_state (const FFV1Context *f, FFV1Context *fs)

int ff_ffv1_close (AVCodecContext *avctx)

static av_always_inline int fold (int diff, int bits)

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

◆ MAX_PLANES

#define MAX_PLANES 4

Definition at line 44 of file ffv1.h.

◆ CONTEXT_SIZE

#define CONTEXT_SIZE 32

Definition at line 45 of file ffv1.h.

◆ MAX_QUANT_TABLES

#define MAX_QUANT_TABLES 8

Definition at line 47 of file ffv1.h.

◆ MAX_CONTEXT_INPUTS

#define MAX_CONTEXT_INPUTS 5

Definition at line 48 of file ffv1.h.

◆ AC_GOLOMB_RICE

#define AC_GOLOMB_RICE 0

Definition at line 50 of file ffv1.h.

◆ AC_RANGE_DEFAULT_TAB

#define AC_RANGE_DEFAULT_TAB 1

Definition at line 51 of file ffv1.h.

◆ AC_RANGE_CUSTOM_TAB

#define AC_RANGE_CUSTOM_TAB 2

Definition at line 52 of file ffv1.h.

◆ AC_RANGE_DEFAULT_TAB_FORCE

#define AC_RANGE_DEFAULT_TAB_FORCE -2

Definition at line 53 of file ffv1.h.

◆ MAX_SLICES

#define MAX_SLICES 1024

Definition at line 71 of file ffv1.h.

Function Documentation

◆ ff_ffv1_common_init()

int ff_ffv1_common_init ( AVCodecContext * avctx )

Definition at line 36 of file ffv1.c.

Referenced by decode_init(), and encode_init().

◆ ff_ffv1_init_slice_state()

int ff_ffv1_init_slice_state ( const FFV1Context * f,

FFV1Context * fs

)

Definition at line 56 of file ffv1.c.

Referenced by decode_slice(), and ff_ffv1_init_slices_state().

◆ ff_ffv1_init_slices_state()

int ff_ffv1_init_slices_state ( FFV1Context * f )

Definition at line 95 of file ffv1.c.

Referenced by encode_init().

◆ ff_ffv1_init_slice_contexts()

int ff_ffv1_init_slice_contexts ( FFV1Context * f )

Definition at line 106 of file ffv1.c.

Referenced by decode_init(), and encode_init().

◆ ff_ffv1_allocate_initial_states()

int ff_ffv1_allocate_initial_states ( FFV1Context * f )

Definition at line 148 of file ffv1.c.

Referenced by encode_init(), and read_extra_header().

◆ ff_ffv1_clear_slice_state()

void ff_ffv1_clear_slice_state ( const FFV1Context * f,

FFV1Context * fs

)

Definition at line 163 of file ffv1.c.

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

◆ ff_ffv1_close()

int ff_ffv1_close ( AVCodecContext * avctx )

Definition at line 191 of file ffv1.c.

Referenced by ffv1_decode_close().

◆ fold()

static av_always_inline int fold ( int diff,

int bits

)

static

Definition at line 146 of file ffv1.h.

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

◆ update_vlc_state()

static void update_vlc_state ( VlcState *const state,

const int v

)

inlinestatic

Definition at line 157 of file ffv1.h.

Referenced by get_vlc_symbol(), and put_vlc_symbol().

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