libavcodec/rle.h
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 /*
  * RLE encoder
  *
  * 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
  */
 
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 #ifndef AVCODEC_RLE_H
 #define AVCODEC_RLE_H
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 #include <stdint.h>
 
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 /**
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  * RLE compress the row, with maximum size of out_size. Value before repeated bytes is (count ^ xor_rep) + add_rep.
  *                                                      Value before raw bytes is      (count ^ xor_raw) + add_raw.
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  * @param outbuf Output buffer
  * @param out_size Maximum output size
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  * @param inbuf Input buffer
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  * @param bpp Bytes per pixel
  * @param w Image width
  * @return Size of output in bytes, or -1 if larger than out_size
  */
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 int ff_rle_encode(uint8_t *outbuf, int out_size, const uint8_t *inbuf, int bpp, int w,
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                   int add_rep, int xor_rep, int add_raw, int xor_raw);
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 #endif /* AVCODEC_RLE_H */