IffContext Struct Reference

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

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Detailed Description

Definition at line 41 of file iff.c.

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Field Documentation

unsigned IffContext::bpp

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

Definition at line 48 of file iff.c.

Referenced by decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), and extract_header().

unsigned IffContext::compression

delta compression method used

Definition at line 47 of file iff.c.

Referenced by extract_header().

unsigned IffContext::flags

1 for EHB, 0 is no extra half darkening

Definition at line 50 of file iff.c.

Referenced by extract_header(), and ff_cmap_read_palette().

AVFrame IffContext::frame

Definition at line 42 of file iff.c.

Referenced by decode_end(), decode_frame_byterun1(), decode_frame_ilbm(), and decode_init().

unsigned IffContext::ham

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

Definition at line 49 of file iff.c.

Referenced by decode_frame_byterun1(), decode_frame_ilbm(), and extract_header().

uint8_t* IffContext::ham_buf

temporary buffer for planar to chunky conversation

Definition at line 45 of file iff.c.

Referenced by decode_end(), decode_frame_byterun1(), decode_frame_ilbm(), and extract_header().

uint32_t* IffContext::ham_palbuf

HAM decode table.

Definition at line 46 of file iff.c.

Referenced by decode_end(), decode_frame_byterun1(), decode_frame_ilbm(), and extract_header().

int IffContext::init

Definition at line 53 of file iff.c.

Referenced by decode_frame_byterun1(), and decode_frame_ilbm().

unsigned IffContext::masking

TODO: masking method used.

Definition at line 52 of file iff.c.

Referenced by extract_header().

uint8_t* IffContext::planebuf

Definition at line 44 of file iff.c.

Referenced by decode_end(), decode_frame_byterun1(), and decode_init().

int IffContext::planesize

Definition at line 43 of file iff.c.

Referenced by decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), and extract_header().

unsigned IffContext::transparency

TODO: transparency color index in palette.

Definition at line 51 of file iff.c.

Referenced by extract_header().

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

• libavcodec/iff.c