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https://github.com/FFmpeg/FFmpeg.git
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107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "dsputil.h"
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#ifndef BIT_DEPTH
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#define BIT_DEPTH 8
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#endif
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#ifdef AVCODEC_H264_HIGH_DEPTH_H
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# undef pixel
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# undef pixel2
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# undef pixel4
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# undef dctcoef
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# undef INIT_CLIP
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# undef no_rnd_avg_pixel4
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# undef rnd_avg_pixel4
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# undef AV_RN2P
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# undef AV_RN4P
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# undef AV_RN4PA
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# undef AV_WN2P
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# undef AV_WN4P
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# undef AV_WN4PA
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# undef CLIP
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# undef FUNC
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# undef FUNCC
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# undef av_clip_pixel
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# undef PIXEL_SPLAT_X4
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#else
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# define AVCODEC_H264_HIGH_DEPTH_H
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# define CLIP_PIXEL(depth)\
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static inline uint16_t av_clip_pixel_ ## depth (int p)\
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{\
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const int pixel_max = (1 << depth)-1;\
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return (p & ~pixel_max) ? (-p)>>31 & pixel_max : p;\
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}
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CLIP_PIXEL( 9)
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CLIP_PIXEL(10)
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#endif
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#if BIT_DEPTH > 8
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# define pixel uint16_t
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# define pixel2 uint32_t
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# define pixel4 uint64_t
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# define dctcoef int32_t
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# define INIT_CLIP
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# define no_rnd_avg_pixel4 no_rnd_avg64
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# define rnd_avg_pixel4 rnd_avg64
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# define AV_RN2P AV_RN32
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# define AV_RN4P AV_RN64
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# define AV_RN4PA AV_RN64A
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# define AV_WN2P AV_WN32
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# define AV_WN4P AV_WN64
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# define AV_WN4PA AV_WN64A
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# define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL)
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#else
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# define pixel uint8_t
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# define pixel2 uint16_t
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# define pixel4 uint32_t
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# define dctcoef int16_t
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# define INIT_CLIP uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
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# define no_rnd_avg_pixel4 no_rnd_avg32
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# define rnd_avg_pixel4 rnd_avg32
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# define AV_RN2P AV_RN16
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# define AV_RN4P AV_RN32
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# define AV_RN4PA AV_RN32A
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# define AV_WN2P AV_WN16
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# define AV_WN4P AV_WN32
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# define AV_WN4PA AV_WN32A
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# define PIXEL_SPLAT_X4(x) ((x)*0x01010101U)
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#endif
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#if BIT_DEPTH == 8
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# define av_clip_pixel(a) av_clip_uint8(a)
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# define CLIP(a) cm[a]
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# define FUNC(a) a ## _8
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# define FUNCC(a) a ## _8_c
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#elif BIT_DEPTH == 9
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# define av_clip_pixel(a) av_clip_pixel_9(a)
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# define CLIP(a) av_clip_pixel_9(a)
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# define FUNC(a) a ## _9
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# define FUNCC(a) a ## _9_c
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#elif BIT_DEPTH == 10
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# define av_clip_pixel(a) av_clip_pixel_10(a)
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# define CLIP(a) av_clip_pixel_10(a)
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# define FUNC(a) a ## _10
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# define FUNCC(a) a ## _10_c
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#endif
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