mirror of
https://github.com/outbackdingo/UltraGrid.git
synced 2026-03-03 03:14:38 +00:00
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/**
|
|
* Copyright (c) 2011, Martin Srom
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef DXT_DECODER_H
|
|
#define DXT_DECODER_H
|
|
|
|
#include "dxt_common.h"
|
|
|
|
/**
|
|
* DXT decoder structure
|
|
*/
|
|
struct dxt_decoder;
|
|
|
|
/**
|
|
* Create DXT decoder
|
|
*
|
|
* @param width
|
|
* @param height
|
|
* @return decoder structure or zero if fails
|
|
*/
|
|
struct dxt_decoder*
|
|
dxt_decoder_create(enum dxt_type type, int width, int height, enum dxt_format out_format, int legacy);
|
|
|
|
/**
|
|
* Allocate buffer for decompressed image by decoder
|
|
*
|
|
* @param decoder Decoder structure
|
|
* @param image Pointer to variable where buffer pointer will be placed
|
|
* @param image_size Pointer to variable where image data size will be set
|
|
* @return 0 if succeeds, otherwise nonzero
|
|
*/
|
|
int
|
|
dxt_decoder_buffer_allocate(struct dxt_decoder* decoder, unsigned char** image, int* image_size);
|
|
|
|
/**
|
|
* Decompress image by DXT decoder
|
|
*
|
|
* @param Decoder structure
|
|
* @param image_compressed Compressed image data
|
|
* @param image_compressed_size Compressed image data size
|
|
* @param image Pointer to buffer where image data will be placed
|
|
* @return 0 if succeeds, otherwise nonzero
|
|
*/
|
|
int
|
|
dxt_decoder_decompress(struct dxt_decoder* encoder, unsigned char* image_compressed, DXT_IMAGE_TYPE* image);
|
|
|
|
/**
|
|
* Free buffer for decompressed image
|
|
*
|
|
* @param image Pointer to buffer where decompressed image data are stored
|
|
* @return 0 if succeeds, otherwise nonzero
|
|
*/
|
|
int
|
|
dxt_decoder_buffer_free(unsigned char* image);
|
|
|
|
/**
|
|
* Destroy DXT decoder
|
|
*
|
|
* @param decoder Decoder structure
|
|
* @return 0 if succeeds, otherwise nonzero
|
|
*/
|
|
int
|
|
dxt_decoder_destroy(struct dxt_decoder* decoder);
|
|
|
|
#endif // DXT_DECODER_H
|