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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /media/libvpx/vp9/common/vp9_common.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp9/common/vp9_common.h')
-rw-r--r-- | media/libvpx/vp9/common/vp9_common.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/media/libvpx/vp9/common/vp9_common.h b/media/libvpx/vp9/common/vp9_common.h new file mode 100644 index 000000000..9c2d7791e --- /dev/null +++ b/media/libvpx/vp9/common/vp9_common.h @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef VP9_COMMON_VP9_COMMON_H_ +#define VP9_COMMON_VP9_COMMON_H_ + +/* Interface header for common constant data structures and lookup tables */ + +#include <assert.h> + +#include "./vpx_config.h" +#include "vpx_mem/vpx_mem.h" +#include "vpx/vpx_integer.h" +#include "vp9/common/vp9_systemdependent.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define MIN(x, y) (((x) < (y)) ? (x) : (y)) +#define MAX(x, y) (((x) > (y)) ? (x) : (y)) + +// Only need this for fixed-size arrays, for structs just assign. +#define vp9_copy(dest, src) { \ + assert(sizeof(dest) == sizeof(src)); \ + memcpy(dest, src, sizeof(src)); \ + } + +// Use this for variably-sized arrays. +#define vp9_copy_array(dest, src, n) { \ + assert(sizeof(*dest) == sizeof(*src)); \ + memcpy(dest, src, n * sizeof(*src)); \ + } + +#define vp9_zero(dest) memset(&(dest), 0, sizeof(dest)) +#define vp9_zero_array(dest, n) memset(dest, 0, n * sizeof(*dest)) + +static INLINE uint8_t clip_pixel(int val) { + return (val > 255) ? 255 : (val < 0) ? 0 : val; +} + +static INLINE int clamp(int value, int low, int high) { + return value < low ? low : (value > high ? high : value); +} + +static INLINE double fclamp(double value, double low, double high) { + return value < low ? low : (value > high ? high : value); +} + +static INLINE int get_unsigned_bits(unsigned int num_values) { + return num_values > 0 ? get_msb(num_values) + 1 : 0; +} + +#if CONFIG_VP9_HIGHBITDEPTH +static INLINE uint16_t clip_pixel_highbd(int val, int bd) { + switch (bd) { + case 8: + default: + return (uint16_t)clamp(val, 0, 255); + case 10: + return (uint16_t)clamp(val, 0, 1023); + case 12: + return (uint16_t)clamp(val, 0, 4095); + } +} + +// Note: +// tran_low_t is the datatype used for final transform coefficients. +// tran_high_t is the datatype used for intermediate transform stages. +typedef int64_t tran_high_t; +typedef int32_t tran_low_t; + +#else + +// Note: +// tran_low_t is the datatype used for final transform coefficients. +// tran_high_t is the datatype used for intermediate transform stages. +typedef int32_t tran_high_t; +typedef int16_t tran_low_t; +#endif // CONFIG_VP9_HIGHBITDEPTH + +#if CONFIG_DEBUG +#define CHECK_MEM_ERROR(cm, lval, expr) do { \ + lval = (expr); \ + if (!lval) \ + vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, \ + "Failed to allocate "#lval" at %s:%d", \ + __FILE__, __LINE__); \ + } while (0) +#else +#define CHECK_MEM_ERROR(cm, lval, expr) do { \ + lval = (expr); \ + if (!lval) \ + vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, \ + "Failed to allocate "#lval); \ + } while (0) +#endif + +#define VP9_SYNC_CODE_0 0x49 +#define VP9_SYNC_CODE_1 0x83 +#define VP9_SYNC_CODE_2 0x42 + +#define VP9_FRAME_MARKER 0x2 + + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP9_COMMON_VP9_COMMON_H_ |