/*
  * S3 Texture Compression (S3TC) decoding functions
  * Copyright (c) 2007 by Ivo van Poorten
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 

 #ifndef AVCODEC_S3TC_H
 #define AVCODEC_S3TC_H

 #include <stdint.h>
 

 #include "bytestream.h"
 

 #define FF_S3TC_DXT1    0x31545844
 #define FF_S3TC_DXT3    0x33545844
 

 /**
  * Decode DXT1 encoded data to RGB32

  * @param gb GetByteContext

  * @param dst destination buffer

  * @param w width of output image
  * @param h height of output image
  * @param stride line size of output image
  */

 void ff_decode_dxt1(GetByteContext *gb, uint8_t *dst,

                     const unsigned int w, const unsigned int h,
                     const unsigned int stride);

 /**
  * Decode DXT3 encoded data to RGB32

  * @param gb GetByteContext

  * @param dst destination buffer

  * @param w width of output image
  * @param h height of output image
  * @param stride line size of output image
  */

 void ff_decode_dxt3(GetByteContext *gb, uint8_t *dst,

                     const unsigned int w, const unsigned int h,
                     const unsigned int stride);
 

 #endif /* AVCODEC_S3TC_H */