/* * 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)