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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/vpx_dsp_common.h')
-rw-r--r-- | media/libvpx/libvpx/vpx_dsp/vpx_dsp_common.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/vpx_dsp_common.h b/media/libvpx/libvpx/vpx_dsp/vpx_dsp_common.h new file mode 100644 index 0000000000..4b946d7560 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/vpx_dsp_common.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2015 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 VPX_VPX_DSP_VPX_DSP_COMMON_H_ +#define VPX_VPX_DSP_VPX_DSP_COMMON_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) 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 +// TODO(jzern): check the compiler version after a fix for the issue is +// released. +#if defined(_MSC_VER) && 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); + } +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VPX_VPX_DSP_VPX_DSP_COMMON_H_ |