libavcodec/s3tc.c File Reference

#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "s3tc.h"

Go to the source code of this file.

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

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Function Documentation

static void dxt1_decode_pixels	(	const uint8_t *	s,
		uint32_t *	d,
		unsigned int	qstride,
		unsigned int	flag,
		uint64_t	alpha
	)			[inline, static]

Definition at line 28 of file s3tc.c.

Referenced by ff_decode_dxt1(), and ff_decode_dxt3().

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

Decode DXT1 encoded data to RGB32.

Parameters:

	*src	source buffer, has to be aligned on a 4-byte boundary
	*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	(	const uint8_t *	src,
		uint8_t *	dst,
		const unsigned int	w,
		const unsigned int	h,
		const unsigned int	stride
	)

Decode DXT3 encoded data to RGB32.

Parameters:

	*src	source buffer, has to be aligned on a 4-byte boundary
	*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().