/*
  * 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
  */
 
 /**

  * @file

  * common internal api header.
  */
 
 #ifndef AVCODEC_INTERNAL_H
 #define AVCODEC_INTERNAL_H
 

 #include <stdint.h>
 #include "avcodec.h"
 

 /**

  * Determine whether pix_fmt is a hardware accelerated format.

  */
 int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
 
 /**

  * Return the hardware accelerated codec for codec codec_id and

  * pixel format pix_fmt.

  *
  * @param codec_id the codec to match
  * @param pix_fmt the pixel format to match
  * @return the hardware accelerated codec, or NULL if none was found.
  */
 AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
 

 /**
  * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
  * If there is no such matching pair then size is returned.
  */

 int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
 

 unsigned int ff_toupper4(unsigned int x);
 

 #endif /* AVCODEC_INTERNAL_H */