default case case 1
// Returns the saturating cast of a double value to int.static if (}
*
* 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 VPX_VPX_DSP_VPX_DSP_COMMON_H_
#define VPX_VPX_DSP_VPX_DSP_COMMON_H_
#include <limits.h>
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "vpx_ports/mem.h"
#ifdef __cplusplus
extern "C" {
#endif
#define VPXMIN(x, y) (((x) < (y)) ? (x) : (y))
#define VPXMAX(x, y) (((x) > (y)) ? (x) : (y))
#define VPX_SWAP(type, a, b) \
do { \
type c = (b); \
(b) = a; \
(a) = c; \
}
while (0)
#if CONFIG_VP9_HIGHBITDEPTH
// 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
typedef int16_t tran_coef_t;
// Visual Studio 2022 (cl.exe) < 17.7 targeting AArch64 with optimizations
// enabled produces invalid code for clip_pixel() when the return type is
// uint8_t. See:
// https://developercommunity.visualstudio.com/t/Misoptimization-for-ARM64-in-VS-2022-17/10363361
#if defined(_MSC_VER) && _MSC_VER < 1937 &&
defined(_M_ARM64) && \
!
defined(__clang__)
static INLINE int clip_pixel(
int val) {
return (val > 255) ? 255 : (val < 0) ? 0 : val;
}
#else
static INLINE uint8_t clip_pixel(
int val) {
return (val > 255) ? 255 : (val < 0) ? 0 : val;
}
#endif
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 int64_t lclamp(int64_t value, int64_t low, int64_t high) {
return value < low ? low : (value > high ? high : value);
}
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);
}
}
// Returns the saturating cast of a double value to int.
static INLINE int saturate_cast_double_to_int(
double d) {
if (d > INT_MAX)
return INT_MAX;
return (
int)d;
}
#ifdef __cplusplus
}
// extern "C"
#endif
#endif // VPX_VPX_DSP_VPX_DSP_COMMON_H_