s3tc.c File Reference

#include "avcodec.h"
#include "bytestream.h"
#include "s3tc.h"

Go to the source code of this file.

Functions
static void	dxt1_decode_pixels (GetByteContext *gb, uint32_t *d, unsigned int qstride, unsigned int flag, uint64_t alpha)
void	ff_decode_dxt1 (GetByteContext *gb, uint8_t *dst, const unsigned int w, const unsigned int h, const unsigned int stride)
	Decode DXT1 encoded data to RGB32.
void	ff_decode_dxt3 (GetByteContext *gb, uint8_t *dst, const unsigned int w, const unsigned int h, const unsigned int stride)
	Decode DXT3 encoded data to RGB32.

Function Documentation

static void dxt1_decode_pixels ( GetByteContext *  gb, uint32_t *  d, unsigned int  qstride, unsigned int  flag, uint64_t  alpha  )

inlinestatic

Definition at line 28 of file s3tc.c.

Referenced by ff_decode_dxt1(), and ff_decode_dxt3().

void ff_decode_dxt1	(	GetByteContext *	gb,
		uint8_t *	dst,
		const unsigned int	w,
		const unsigned int	h,
		const unsigned int	stride
	)

Decode DXT1 encoded data to RGB32.

Parameters

gb	GetByteContext
dst	destination buffer
w	width of output image
h	height of output image
stride	line size of output image

Definition at line 77 of file s3tc.c.

Referenced by txd_decode_frame().

void ff_decode_dxt3	(	GetByteContext *	gb,
		uint8_t *	dst,
		const unsigned int	w,
		const unsigned int	h,
		const unsigned int	stride
	)

Decode DXT3 encoded data to RGB32.

Parameters

gb	GetByteContext
dst	destination buffer
w	width of output image
h	height of output image
stride	line size of output image

Definition at line 88 of file s3tc.c.

Referenced by txd_decode_frame().