50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_COMMON_H_
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#define VP9_COMMON_VP9_COMMON_H_
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#include <assert.h>
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#include "vpx_config.h"
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/* Interface header for common constant data structures and lookup tables */
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#include "vpx_mem/vpx_mem.h"
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#include "vpx/vpx_integer.h"
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#define TRUE 1
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#define FALSE 0
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#define MIN(x, y) (((x) < (y)) ? (x) : (y))
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#define MAX(x, y) (((x) > (y)) ? (x) : (y))
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/* Only need this for fixed-size arrays, for structs just assign. */
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#define vp9_copy(Dest, Src) { \
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assert(sizeof(Dest) == sizeof(Src)); \
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vpx_memcpy(Dest, Src, sizeof(Src)); \
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}
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/* Use this for variably-sized arrays. */
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#define vp9_copy_array(Dest, Src, N) { \
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assert(sizeof(*Dest) == sizeof(*Src)); \
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vpx_memcpy(Dest, Src, N * sizeof(*Src)); \
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}
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#define vp9_zero(Dest) vpx_memset(&Dest, 0, sizeof(Dest));
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#define vp9_zero_array(Dest, N) vpx_memset(Dest, 0, N * sizeof(*Dest));
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static INLINE uint8_t clip_pixel(int val) {
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return (val > 255) ? 255u : (val < 0) ? 0u : val;
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}
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#endif // VP9_COMMON_VP9_COMMON_H_
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