Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 154 insertions, 0 deletions

diff --git a/gfx/ycbcr/yuv_row.h b/gfx/ycbcr/yuv_row.h
new file mode 100644
index 0000000000..95ad16fb71
--- /dev/null
+++ b/gfx/ycbcr/yuv_row.h
@@ -0,0 +1,154 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// yuv_row internal functions to handle YUV conversion and scaling to RGB.
+// These functions are used from both yuv_convert.cc and yuv_scale.cc.
+
+// TODO(fbarchard): Write function that can handle rotation and scaling.
+
+#ifndef MEDIA_BASE_YUV_ROW_H_
+#define MEDIA_BASE_YUV_ROW_H_
+
+#include "chromium_types.h"
+
+extern "C" {
+// Can only do 1x.
+// This is the second fastest of the scalers.
+void FastConvertYUVToRGB32Row(const uint8_t* y_buf,
+                              const uint8_t* u_buf,
+                              const uint8_t* v_buf,
+                              uint8_t* rgb_buf,
+                              int width);
+
+void FastConvertYUVToRGB32Row_C(const uint8_t* y_buf,
+                                const uint8_t* u_buf,
+                                const uint8_t* v_buf,
+                                uint8_t* rgb_buf,
+                                int width,
+                                unsigned int x_shift);
+
+void FastConvertYUVToRGB32Row(const uint8_t* y_buf,
+                              const uint8_t* u_buf,
+                              const uint8_t* v_buf,
+                              uint8_t* rgb_buf,
+                              int width);
+
+// Can do 1x, half size or any scale down by an integer amount.
+// Step can be negative (mirroring, rotate 180).
+// This is the third fastest of the scalers.
+// Only defined on Windows x86-32.
+void ConvertYUVToRGB32Row_SSE(const uint8_t* y_buf,
+                              const uint8_t* u_buf,
+                              const uint8_t* v_buf,
+                              uint8_t* rgb_buf,
+                              int width,
+                              int step);
+
+// Rotate is like Convert, but applies different step to Y versus U and V.
+// This allows rotation by 90 or 270, by stepping by stride.
+// This is the forth fastest of the scalers.
+// Only defined on Windows x86-32.
+void RotateConvertYUVToRGB32Row_SSE(const uint8_t* y_buf,
+                                    const uint8_t* u_buf,
+                                    const uint8_t* v_buf,
+                                    uint8_t* rgb_buf,
+                                    int width,
+                                    int ystep,
+                                    int uvstep);
+
+// Doubler does 4 pixels at a time.  Each pixel is replicated.
+// This is the fastest of the scalers.
+// Only defined on Windows x86-32.
+void DoubleYUVToRGB32Row_SSE(const uint8_t* y_buf,
+                             const uint8_t* u_buf,
+                             const uint8_t* v_buf,
+                             uint8_t* rgb_buf,
+                             int width);
+
+// Handles arbitrary scaling up or down.
+// Mirroring is supported, but not 90 or 270 degree rotation.
+// Chroma is under sampled every 2 pixels for performance.
+void ScaleYUVToRGB32Row(const uint8_t* y_buf,
+                        const uint8_t* u_buf,
+                        const uint8_t* v_buf,
+                        uint8_t* rgb_buf,
+                        int width,
+                        int source_dx);
+
+void ScaleYUVToRGB32Row(const uint8_t* y_buf,
+                        const uint8_t* u_buf,
+                        const uint8_t* v_buf,
+                        uint8_t* rgb_buf,
+                        int width,
+                        int source_dx);
+
+void ScaleYUVToRGB32Row_C(const uint8_t* y_buf,
+                          const uint8_t* u_buf,
+                          const uint8_t* v_buf,
+                          uint8_t* rgb_buf,
+                          int width,
+                          int source_dx);
+
+// Handles arbitrary scaling up or down with bilinear filtering.
+// Mirroring is supported, but not 90 or 270 degree rotation.
+// Chroma is under sampled every 2 pixels for performance.
+// This is the slowest of the scalers.
+void LinearScaleYUVToRGB32Row(const uint8_t* y_buf,
+                              const uint8_t* u_buf,
+                              const uint8_t* v_buf,
+                              uint8_t* rgb_buf,
+                              int width,
+                              int source_dx);
+
+void LinearScaleYUVToRGB32Row(const uint8_t* y_buf,
+                              const uint8_t* u_buf,
+                              const uint8_t* v_buf,
+                              uint8_t* rgb_buf,
+                              int width,
+                              int source_dx);
+
+void LinearScaleYUVToRGB32Row_C(const uint8_t* y_buf,
+                                const uint8_t* u_buf,
+                                const uint8_t* v_buf,
+                                uint8_t* rgb_buf,
+                                int width,
+                                int source_dx);
+
+
+#if defined(_MSC_VER) && !defined(__CLR_VER) && !defined(__clang__)
+#if defined(VISUALC_HAS_AVX2)
+#define SIMD_ALIGNED(var) __declspec(align(32)) var
+#else
+#define SIMD_ALIGNED(var) __declspec(align(16)) var
+#endif
+#elif defined(__GNUC__) || defined(__clang__)
+// Caveat GCC 4.2 to 4.7 have a known issue using vectors with const.
+#if defined(CLANG_HAS_AVX2) || defined(GCC_HAS_AVX2)
+#define SIMD_ALIGNED(var) var __attribute__((aligned(32)))
+#else
+#define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
+#endif
+#else
+#define SIMD_ALIGNED(var) var
+#endif
+
+extern SIMD_ALIGNED(const int16_t kCoefficientsRgbY[768][4]);
+
+// x64 uses MMX2 (SSE) so emms is not required.
+// Warning C4799: function has no EMMS instruction.
+// EMMS() is slow and should be called by the calling function once per image.
+#if defined(ARCH_CPU_X86) && !defined(ARCH_CPU_X86_64)
+#if defined(_MSC_VER)
+#define EMMS() __asm emms
+#pragma warning(disable: 4799)
+#else
+#define EMMS() asm("emms")
+#endif
+#else
+#define EMMS() ((void)0)
+#endif
+
+}  // extern "C"
+
+#endif  // MEDIA_BASE_YUV_ROW_H_