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bit_depth_template.c
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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 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
# 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 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)