bit_depth_template.c

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/*

 * 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

*/

#include "mathops.h"

#include "rnd_avg.h"

#include "libavutil/intreadwrite.h"

#ifndef BIT_DEPTH

#define BIT_DEPTH 8

#endif

#ifdef AVCODEC_BIT_DEPTH_TEMPLATE_C

#   undef pixel

#   undef pixel2

#   undef pixel4

#   undef dctcoef

#   undef idctin

#   undef INIT_CLIP

#   undef no_rnd_avg_pixel4

#   undef rnd_avg_pixel4

#   undef AV_RN2P

#   undef AV_RN4P

#   undef AV_RN4PA

#   undef AV_WN2P

#   undef AV_WN4P

#   undef AV_WN4PA

#   undef CLIP

#   undef FUNC

#   undef FUNCC

#   undef av_clip_pixel

#   undef PIXEL_SPLAT_X4

#else

#   define AVCODEC_BIT_DEPTH_TEMPLATE_C

#endif

#if BIT_DEPTH > 8

#   define pixel  uint16_t

#   define pixel2 uint32_t

#   define pixel4 uint64_t

#   define dctcoef int32_t

#ifdef IN_IDCT_DEPTH

#if IN_IDCT_DEPTH == 32

#   define idctin int32_t

#else

#   define idctin int16_t

#endif

#else

#   define idctin int16_t

#endif

#   define INIT_CLIP

#   define no_rnd_avg_pixel4 no_rnd_avg64

#   define    rnd_avg_pixel4    rnd_avg64

#   define AV_RN2P  AV_RN32

#   define AV_RN4P  AV_RN64

#   define AV_RN4PA AV_RN64A

#   define AV_WN2P  AV_WN32

#   define AV_WN4P  AV_WN64

#   define AV_WN4PA AV_WN64A

#   define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL)

#   define av_clip_pixel(a) av_clip_uintp2(a, BIT_DEPTH)

#   define CLIP(a)          av_clip_uintp2(a, BIT_DEPTH)

#else

#   define pixel  uint8_t

#   define pixel2 uint16_t

#   define pixel4 uint32_t

#   define dctcoef int16_t

#   define idctin  int16_t

#   define INIT_CLIP

#   define no_rnd_avg_pixel4 no_rnd_avg32

#   define    rnd_avg_pixel4    rnd_avg32

#   define AV_RN2P  AV_RN16

#   define AV_RN4P  AV_RN32

#   define AV_RN4PA AV_RN32A

#   define AV_WN2P  AV_WN16

#   define AV_WN4P  AV_WN32

#   define AV_WN4PA AV_WN32A

#   define PIXEL_SPLAT_X4(x) ((x)*0x01010101U)

#   define av_clip_pixel(a) av_clip_uint8(a)

#   define CLIP(a) av_clip_uint8(a)

#endif

#define FUNC3(a, b, c)  a ## _ ## b ##  c

#define FUNC2(a, b, c)  FUNC3(a, b, c)

#define FUNC(a)  FUNC2(a, BIT_DEPTH,)

#define FUNCC(a) FUNC2(a, BIT_DEPTH, _c)

#define FUNC4(a, b, c)  a ## _int ## b ## _ ## c ## bit

#define FUNC5(a, b, c)  FUNC4(a, b, c)

#define FUNC6(a)  FUNC5(a, IN_IDCT_DEPTH, BIT_DEPTH)