IffContext Struct Reference

Collaboration diagram for IffContext:

Data Fields
AVFrame *	frame
int	planesize
uint8_t *	planebuf
uint8_t *	ham_buf
	temporary buffer for planar to chunky conversation More...
uint32_t *	ham_palbuf
	HAM decode table. More...
uint32_t *	mask_buf
	temporary buffer for palette indices More...
uint32_t *	mask_palbuf
	masking palette table More...
unsigned	compression
	delta compression method used More...
unsigned	bpp
	bits per plane to decode (differs from bits_per_coded_sample if HAM) More...
unsigned	ham
	0 if non-HAM or number of hold bits (6 for bpp > 6, 4 otherwise) More...
unsigned	flags
	1 for EHB, 0 is no extra half darkening More...
unsigned	transparency
	TODO: transparency color index in palette. More...
unsigned	masking
	TODO: masking method used. More...
int	init
int16_t	tvdc [16]
	TVDC lookup table. More...

Detailed Description

Definition at line 42 of file libavcodec/iff.c.

Field Documentation

unsigned IffContext::bpp

bits per plane to decode (differs from bits_per_coded_sample if HAM)

Definition at line 51 of file libavcodec/iff.c.

Referenced by decode_frame(), decode_init(), extract_header(), and unsupported().

unsigned IffContext::compression

delta compression method used

Definition at line 50 of file libavcodec/iff.c.

Referenced by decode_frame(), extract_header(), and unsupported().

unsigned IffContext::flags

1 for EHB, 0 is no extra half darkening

Definition at line 53 of file libavcodec/iff.c.

Referenced by cmap_read_palette(), and extract_header().

AVFrame* IffContext::frame

Definition at line 43 of file libavcodec/iff.c.

Referenced by decode_end(), decode_frame(), and decode_init().

unsigned IffContext::ham

0 if non-HAM or number of hold bits (6 for bpp > 6, 4 otherwise)

Definition at line 52 of file libavcodec/iff.c.

Referenced by decode_frame(), extract_header(), and unsupported().

uint8_t* IffContext::ham_buf

temporary buffer for planar to chunky conversation

Definition at line 46 of file libavcodec/iff.c.

Referenced by decode_end(), decode_frame(), and extract_header().

uint32_t* IffContext::ham_palbuf

HAM decode table.

Definition at line 47 of file libavcodec/iff.c.

Referenced by decode_end(), decode_frame(), and extract_header().

int IffContext::init

Definition at line 56 of file libavcodec/iff.c.

Referenced by decode_frame().

uint32_t* IffContext::mask_buf

temporary buffer for palette indices

Definition at line 48 of file libavcodec/iff.c.

Referenced by decode_frame(), and extract_header().

uint32_t* IffContext::mask_palbuf

masking palette table

Definition at line 49 of file libavcodec/iff.c.

Referenced by decode_frame(), and extract_header().

unsigned IffContext::masking

TODO: masking method used.

Definition at line 55 of file libavcodec/iff.c.

Referenced by cmap_read_palette(), and extract_header().

uint8_t* IffContext::planebuf

Definition at line 45 of file libavcodec/iff.c.

Referenced by decode_end(), decode_frame(), and decode_init().

int IffContext::planesize

Definition at line 44 of file libavcodec/iff.c.

Referenced by decode_frame(), decode_init(), and extract_header().

unsigned IffContext::transparency

TODO: transparency color index in palette.

Definition at line 54 of file libavcodec/iff.c.

Referenced by cmap_read_palette(), and extract_header().

int16_t IffContext::tvdc[16]

TVDC lookup table.

Definition at line 57 of file libavcodec/iff.c.

Referenced by decode_frame(), and extract_header().

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The documentation for this struct was generated from the following file:

• libavcodec/iff.c