apps/codecs/libwmapro/internal.h

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 /**
  20  * @file libavcodec/internal.h
  21  * common internal api header.
  22  */
  23
  24 #ifndef AVCODEC_INTERNAL_H
  25 #define AVCODEC_INTERNAL_H
  26
  27 #include <stdint.h>
  28 #include "avcodec.h"
  29
  30 /**
  31  * Determines whether pix_fmt is a hardware accelerated format.
  32  */
  33 int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
  34
  35 /**
  36  * Returns the hardware accelerated codec for codec codec_id and
  37  * pixel format pix_fmt.
  38  *
  39  * @param codec_id the codec to match
  40  * @param pix_fmt the pixel format to match
  41  * @return the hardware accelerated codec, or NULL if none was found.
  42  */
  43 AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
  44
  45 /**
  46  * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
  47  * If there is no such matching pair then size is returned.
  48  */
  49 int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
  50
  51 #endif /* AVCODEC_INTERNAL_H */