#include "avcodec.h"
#include "get_bits.h"
#include "h264chroma.h"
#include "mpegvideo.h"
#include "intrax8.h"
#include "vc1_common.h"
#include "vc1dsp.h"
#include "libavutil/mem_internal.h"

Data Structures
struct	VC1Context
	The VC1 Context. More...

Macros
#define	AC_VLC_BITS 9

Enumerations
enum	QuantMode { QUANT_FRAME_IMPLICIT, QUANT_FRAME_EXPLICIT, QUANT_NON_UNIFORM, QUANT_UNIFORM }
	Sequence quantizer mode. More...

enum	DQProfile { DQPROFILE_FOUR_EDGES, DQPROFILE_DOUBLE_EDGES, DQPROFILE_SINGLE_EDGE, DQPROFILE_ALL_MBS }
	Where quant can be changed. More...

Where quant can be changed
enum	DQSingleEdge { DQSINGLE_BEDGE_LEFT, DQSINGLE_BEDGE_TOP, DQSINGLE_BEDGE_RIGHT, DQSINGLE_BEDGE_BOTTOM }

enum	DQDoubleEdge { DQDOUBLE_BEDGE_TOPLEFT, DQDOUBLE_BEDGE_TOPRIGHT, DQDOUBLE_BEDGE_BOTTOMRIGHT, DQDOUBLE_BEDGE_BOTTOMLEFT }
	Which pair of edges is quantized with ALTPQUANT. More...

enum	MVModes { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV, MV_PMODE_INTENSITY_COMP }
	MV modes for P-frames. More...

enum	MBModesIntfr { MV_PMODE_INTFR_1MV, MV_PMODE_INTFR_2MV_FIELD, MV_PMODE_INTFR_2MV, MV_PMODE_INTFR_4MV_FIELD, MV_PMODE_INTFR_4MV, MV_PMODE_INTFR_INTRA }
	MBMODE for interlaced frame P-picture. More...

MV types for B-frames
enum	BMVTypes { BMV_TYPE_BACKWARD, BMV_TYPE_FORWARD, BMV_TYPE_INTERPOLATED, BMV_TYPE_DIRECT }

Block types for P/B-frames
enum	TransformTypes { TT_8X8, TT_8X4_BOTTOM, TT_8X4_TOP, TT_8X4, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X8, TT_4X4 }

enum	CodingSet { CS_HIGH_MOT_INTRA = 0, CS_HIGH_MOT_INTER, CS_LOW_MOT_INTRA, CS_LOW_MOT_INTER, CS_MID_RATE_INTRA, CS_MID_RATE_INTER, CS_HIGH_RATE_INTRA, CS_HIGH_RATE_INTER }

Overlap conditions for Advanced Profile
enum	COTypes { CONDOVER_NONE = 0, CONDOVER_ALL, CONDOVER_SELECT }

enum	FrameCodingMode { PROGRESSIVE = 0, ILACE_FRAME, ILACE_FIELD }
	FCM Frame Coding Mode. More...

enum	Imode { IMODE_RAW, IMODE_NORM2, IMODE_DIFF2, IMODE_NORM6, IMODE_DIFF6, IMODE_ROWSKIP, IMODE_COLSKIP }
	Imode types. More...

Functions
int	ff_vc1_decode_sequence_header (AVCodecContext avctx, VC1Context v, GetBitContext *gb)
	Decode Simple/Main Profiles sequence header. More...

int	ff_vc1_decode_entry_point (AVCodecContext avctx, VC1Context v, GetBitContext *gb)

int	ff_vc1_parse_frame_header (VC1Context v, GetBitContext gb)

int	ff_vc1_parse_frame_header_adv (VC1Context v, GetBitContext gb)

void	ff_vc1_init_common (VC1Context *v)
	Init VC-1 specific tables and VC1Context members. More...

int	ff_vc1_decode_init (AVCodecContext *avctx)

void	ff_vc1_init_transposed_scantables (VC1Context *v)

int	ff_vc1_decode_end (AVCodecContext *avctx)
	Close a MSS2/VC1/WMV3 decoder. More...

void	ff_vc1_decode_blocks (VC1Context *v)

void	ff_vc1_i_overlap_filter (VC1Context *v)

void	ff_vc1_p_overlap_filter (VC1Context *v)

void	ff_vc1_i_loop_filter (VC1Context *v)

void	ff_vc1_p_loop_filter (VC1Context *v)

void	ff_vc1_p_intfr_loop_filter (VC1Context *v)

void	ff_vc1_b_intfi_loop_filter (VC1Context *v)

void	ff_vc1_mc_1mv (VC1Context *v, int dir)
	Do motion compensation over 1 macroblock Mostly adapted hpel_motion and qpel_motion from mpegvideo.c. More...

void	ff_vc1_mc_4mv_luma (VC1Context *v, int n, int dir, int avg)
	Do motion compensation for 4-MV macroblock - luminance block. More...

void	ff_vc1_mc_4mv_chroma (VC1Context *v, int dir)
	Do motion compensation for 4-MV macroblock - both chroma blocks. More...

void	ff_vc1_mc_4mv_chroma4 (VC1Context *v, int dir, int dir2, int avg)
	Do motion compensation for 4-MV interlaced frame chroma macroblock (both U and V) More...

void	ff_vc1_interp_mc (VC1Context *v)
	Motion compensation for direct or interpolated blocks in B-frames. More...

Macro Definition Documentation

◆ AC_VLC_BITS

#define AC_VLC_BITS 9

Definition at line 36 of file vc1.h.

Enumeration Type Documentation

◆ QuantMode

enum QuantMode

Sequence quantizer mode.

Enumerator
QUANT_FRAME_IMPLICIT	Implicitly specified at frame level.
QUANT_FRAME_EXPLICIT	Explicitly specified at frame level.
QUANT_NON_UNIFORM	Non-uniform quant used for all frames.
QUANT_UNIFORM	Uniform quant used for all frames.