#include "avcodec.h"
#include "get_bits.h"
#include "mathops.h"
#include "progressframe.h"
#include "put_bits.h"
#include "rangecoder.h"

Data Structures
struct	VlcState

struct	PlaneContext

struct	FFV1SliceContext

struct	FFV1Context

Macros
#define	MAX_PLANES 4

#define	CONTEXT_SIZE 32

#define	MAX_QUANT_TABLES 8

#define	MAX_QUANT_TABLE_SIZE 256

#define	MAX_QUANT_TABLE_MASK (MAX_QUANT_TABLE_SIZE - 1)

#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, FFV1SliceContext sc)

int	ff_ffv1_init_slices_state (FFV1Context *f)

int	ff_ffv1_init_slice_contexts (FFV1Context *f)

PlaneContext *	ff_ffv1_planes_alloc (void)

int	ff_ffv1_allocate_initial_states (FFV1Context *f)

void	ff_ffv1_clear_slice_state (const FFV1Context f, FFV1SliceContext sc)

int	ff_ffv1_close (AVCodecContext *avctx)

int	ff_need_new_slices (int width, int num_h_slices, int chroma_shift)

int	ff_slice_coord (const FFV1Context *f, int width, int sx, int num_h_slices, int chroma_shift)
	This is intended for both width and height. More...

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 43 of file ffv1.h.

◆ CONTEXT_SIZE

#define CONTEXT_SIZE 32

Definition at line 44 of file ffv1.h.

◆ MAX_QUANT_TABLES

#define MAX_QUANT_TABLES 8

Definition at line 46 of file ffv1.h.

◆ MAX_QUANT_TABLE_SIZE

#define MAX_QUANT_TABLE_SIZE 256

Definition at line 47 of file ffv1.h.

◆ MAX_QUANT_TABLE_MASK

#define MAX_QUANT_TABLE_MASK (MAX_QUANT_TABLE_SIZE - 1)

Definition at line 48 of file ffv1.h.

◆ MAX_CONTEXT_INPUTS

#define MAX_CONTEXT_INPUTS 5

Definition at line 49 of file ffv1.h.

◆ AC_GOLOMB_RICE

#define AC_GOLOMB_RICE 0

Definition at line 51 of file ffv1.h.

◆ AC_RANGE_DEFAULT_TAB

#define AC_RANGE_DEFAULT_TAB 1

Definition at line 52 of file ffv1.h.

◆ AC_RANGE_CUSTOM_TAB

#define AC_RANGE_CUSTOM_TAB 2

Definition at line 53 of file ffv1.h.

◆ AC_RANGE_DEFAULT_TAB_FORCE

#define AC_RANGE_DEFAULT_TAB_FORCE -2

Definition at line 54 of file ffv1.h.

◆ MAX_SLICES

#define MAX_SLICES 1024

Definition at line 70 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(), encode_init_internal(), and vulkan_encode_ffv1_init().

◆ ff_ffv1_init_slice_state()

int ff_ffv1_init_slice_state	(	const FFV1Context *	f,
		FFV1SliceContext *	sc
	)

Definition at line 74 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 112 of file ffv1.c.

Referenced by encode_init_internal().

◆ ff_ffv1_init_slice_contexts()

int ff_ffv1_init_slice_contexts ( FFV1Context * f )

Definition at line 142 of file ffv1.c.

Referenced by decode_init(), and encode_init_internal().

◆ ff_ffv1_planes_alloc()

PlaneContext* ff_ffv1_planes_alloc ( void )

Definition at line 68 of file ffv1.c.

Referenced by ff_ffv1_init_slice_contexts(), and read_header().

◆ ff_ffv1_allocate_initial_states()

int ff_ffv1_allocate_initial_states ( FFV1Context * f )

Definition at line 185 of file ffv1.c.

Referenced by ff_ffv1_encode_init(), and read_extra_header().

◆ ff_ffv1_clear_slice_state()

void ff_ffv1_clear_slice_state	(	const FFV1Context *	f,
		FFV1SliceContext *	sc
	)

Definition at line 200 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 225 of file ffv1.c.

Referenced by ffv1_decode_close().

◆ ff_need_new_slices()

int ff_need_new_slices	(	int	width,
		int	num_h_slices,
		int	chroma_shift
	)

Definition at line 122 of file ffv1.c.

Referenced by encode_determine_slices().

◆ ff_slice_coord()

int ff_slice_coord	(	const FFV1Context *	f,
		int	width,
		int	sx,
		int	num_h_slices,
		int	chroma_shift
	)

This is intended for both width and height.

Definition at line 129 of file ffv1.c.

Referenced by decode_slice_header(), and ff_ffv1_init_slice_contexts().

◆ fold()

static av_always_inline int fold	(	int	diff,
		int	bits
	)

static

Definition at line 185 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 196 of file ffv1.h.

Referenced by get_vlc_symbol(), and put_vlc_symbol().

Data Structures

Macros

Functions