Index: source/libvpx/third_party/libyuv/source/planar_functions.cc |
=================================================================== |
--- source/libvpx/third_party/libyuv/source/planar_functions.cc (revision 0) |
+++ source/libvpx/third_party/libyuv/source/planar_functions.cc (revision 0) |
@@ -0,0 +1,2287 @@ |
+/* |
+ * Copyright 2011 The LibYuv 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. |
+ */ |
+ |
+#include "third_party/libyuv/include/libyuv/planar_functions.h" |
+ |
+#include <string.h> // for memset() |
+ |
+#include "third_party/libyuv/include/libyuv/cpu_id.h" |
+#ifdef HAVE_JPEG |
+#include "third_party/libyuv/include/libyuv/mjpeg_decoder.h" |
+#endif |
+#include "third_party/libyuv/include/libyuv/row.h" |
+ |
+#ifdef __cplusplus |
+namespace libyuv { |
+extern "C" { |
+#endif |
+ |
+// Copy a plane of data |
+LIBYUV_API |
+void CopyPlane(const uint8* src_y, int src_stride_y, |
+ uint8* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ int y; |
+ void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C; |
+ // Coalesce rows. |
+ if (src_stride_y == width && |
+ dst_stride_y == width) { |
+ width *= height; |
+ height = 1; |
+ src_stride_y = dst_stride_y = 0; |
+ } |
+#if defined(HAS_COPYROW_X86) |
+ if (TestCpuFlag(kCpuHasX86) && IS_ALIGNED(width, 4)) { |
+ CopyRow = CopyRow_X86; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 32) && |
+ IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && |
+ IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ CopyRow = CopyRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_ERMS) |
+ if (TestCpuFlag(kCpuHasERMS)) { |
+ CopyRow = CopyRow_ERMS; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 32)) { |
+ CopyRow = CopyRow_NEON; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_MIPS) |
+ if (TestCpuFlag(kCpuHasMIPS)) { |
+ CopyRow = CopyRow_MIPS; |
+ } |
+#endif |
+ |
+ // Copy plane |
+ for (y = 0; y < height; ++y) { |
+ CopyRow(src_y, dst_y, width); |
+ src_y += src_stride_y; |
+ dst_y += dst_stride_y; |
+ } |
+} |
+ |
+LIBYUV_API |
+void CopyPlane_16(const uint16* src_y, int src_stride_y, |
+ uint16* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ int y; |
+ void (*CopyRow)(const uint16* src, uint16* dst, int width) = CopyRow_16_C; |
+ // Coalesce rows. |
+ if (src_stride_y == width && |
+ dst_stride_y == width) { |
+ width *= height; |
+ height = 1; |
+ src_stride_y = dst_stride_y = 0; |
+ } |
+#if defined(HAS_COPYROW_16_X86) |
+ if (TestCpuFlag(kCpuHasX86) && IS_ALIGNED(width, 4)) { |
+ CopyRow = CopyRow_16_X86; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_16_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 32) && |
+ IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && |
+ IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ CopyRow = CopyRow_16_SSE2; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_16_ERMS) |
+ if (TestCpuFlag(kCpuHasERMS)) { |
+ CopyRow = CopyRow_16_ERMS; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_16_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 32)) { |
+ CopyRow = CopyRow_16_NEON; |
+ } |
+#endif |
+#if defined(HAS_COPYROW_16_MIPS) |
+ if (TestCpuFlag(kCpuHasMIPS)) { |
+ CopyRow = CopyRow_16_MIPS; |
+ } |
+#endif |
+ |
+ // Copy plane |
+ for (y = 0; y < height; ++y) { |
+ CopyRow(src_y, dst_y, width); |
+ src_y += src_stride_y; |
+ dst_y += dst_stride_y; |
+ } |
+} |
+ |
+// Copy I422. |
+LIBYUV_API |
+int I422Copy(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_y, int dst_stride_y, |
+ uint8* dst_u, int dst_stride_u, |
+ uint8* dst_v, int dst_stride_v, |
+ int width, int height) { |
+ int halfwidth = (width + 1) >> 1; |
+ if (!src_y || !src_u || !src_v || |
+ !dst_y || !dst_u || !dst_v || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_u = src_u + (height - 1) * src_stride_u; |
+ src_v = src_v + (height - 1) * src_stride_v; |
+ src_stride_y = -src_stride_y; |
+ src_stride_u = -src_stride_u; |
+ src_stride_v = -src_stride_v; |
+ } |
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
+ CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, height); |
+ CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, height); |
+ return 0; |
+} |
+ |
+// Copy I444. |
+LIBYUV_API |
+int I444Copy(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_y, int dst_stride_y, |
+ uint8* dst_u, int dst_stride_u, |
+ uint8* dst_v, int dst_stride_v, |
+ int width, int height) { |
+ if (!src_y || !src_u || !src_v || |
+ !dst_y || !dst_u || !dst_v || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_u = src_u + (height - 1) * src_stride_u; |
+ src_v = src_v + (height - 1) * src_stride_v; |
+ src_stride_y = -src_stride_y; |
+ src_stride_u = -src_stride_u; |
+ src_stride_v = -src_stride_v; |
+ } |
+ |
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
+ CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width, height); |
+ CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width, height); |
+ return 0; |
+} |
+ |
+// Copy I400. |
+LIBYUV_API |
+int I400ToI400(const uint8* src_y, int src_stride_y, |
+ uint8* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ if (!src_y || !dst_y || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_stride_y = -src_stride_y; |
+ } |
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
+ return 0; |
+} |
+ |
+// Convert I420 to I400. |
+LIBYUV_API |
+int I420ToI400(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ if (!src_y || !dst_y || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_stride_y = -src_stride_y; |
+ } |
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
+ return 0; |
+} |
+ |
+// Mirror a plane of data. |
+void MirrorPlane(const uint8* src_y, int src_stride_y, |
+ uint8* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ int y; |
+ void (*MirrorRow)(const uint8* src, uint8* dst, int width) = MirrorRow_C; |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_stride_y = -src_stride_y; |
+ } |
+#if defined(HAS_MIRRORROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16)) { |
+ MirrorRow = MirrorRow_NEON; |
+ } |
+#endif |
+#if defined(HAS_MIRRORROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16)) { |
+ MirrorRow = MirrorRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_MIRRORROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 16) && |
+ IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && |
+ IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ MirrorRow = MirrorRow_SSSE3; |
+ } |
+#endif |
+#if defined(HAS_MIRRORROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && IS_ALIGNED(width, 32)) { |
+ MirrorRow = MirrorRow_AVX2; |
+ } |
+#endif |
+ |
+ // Mirror plane |
+ for (y = 0; y < height; ++y) { |
+ MirrorRow(src_y, dst_y, width); |
+ src_y += src_stride_y; |
+ dst_y += dst_stride_y; |
+ } |
+} |
+ |
+// Convert YUY2 to I422. |
+LIBYUV_API |
+int YUY2ToI422(const uint8* src_yuy2, int src_stride_yuy2, |
+ uint8* dst_y, int dst_stride_y, |
+ uint8* dst_u, int dst_stride_u, |
+ uint8* dst_v, int dst_stride_v, |
+ int width, int height) { |
+ int y; |
+ void (*YUY2ToUV422Row)(const uint8* src_yuy2, |
+ uint8* dst_u, uint8* dst_v, int pix) = |
+ YUY2ToUV422Row_C; |
+ void (*YUY2ToYRow)(const uint8* src_yuy2, uint8* dst_y, int pix) = |
+ YUY2ToYRow_C; |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_yuy2 = src_yuy2 + (height - 1) * src_stride_yuy2; |
+ src_stride_yuy2 = -src_stride_yuy2; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_yuy2 == width * 2 && |
+ dst_stride_y == width && |
+ dst_stride_u * 2 == width && |
+ dst_stride_v * 2 == width) { |
+ width *= height; |
+ height = 1; |
+ src_stride_yuy2 = dst_stride_y = dst_stride_u = dst_stride_v = 0; |
+ } |
+#if defined(HAS_YUY2TOYROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) { |
+ YUY2ToUV422Row = YUY2ToUV422Row_Any_SSE2; |
+ YUY2ToYRow = YUY2ToYRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 16)) { |
+ YUY2ToUV422Row = YUY2ToUV422Row_Unaligned_SSE2; |
+ YUY2ToYRow = YUY2ToYRow_Unaligned_SSE2; |
+ if (IS_ALIGNED(src_yuy2, 16) && IS_ALIGNED(src_stride_yuy2, 16)) { |
+ YUY2ToUV422Row = YUY2ToUV422Row_SSE2; |
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ YUY2ToYRow = YUY2ToYRow_SSE2; |
+ } |
+ } |
+ } |
+ } |
+#endif |
+#if defined(HAS_YUY2TOYROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 32) { |
+ YUY2ToUV422Row = YUY2ToUV422Row_Any_AVX2; |
+ YUY2ToYRow = YUY2ToYRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 32)) { |
+ YUY2ToUV422Row = YUY2ToUV422Row_AVX2; |
+ YUY2ToYRow = YUY2ToYRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_YUY2TOYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ YUY2ToYRow = YUY2ToYRow_Any_NEON; |
+ if (width >= 16) { |
+ YUY2ToUV422Row = YUY2ToUV422Row_Any_NEON; |
+ } |
+ if (IS_ALIGNED(width, 16)) { |
+ YUY2ToYRow = YUY2ToYRow_NEON; |
+ YUY2ToUV422Row = YUY2ToUV422Row_NEON; |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ YUY2ToUV422Row(src_yuy2, dst_u, dst_v, width); |
+ YUY2ToYRow(src_yuy2, dst_y, width); |
+ src_yuy2 += src_stride_yuy2; |
+ dst_y += dst_stride_y; |
+ dst_u += dst_stride_u; |
+ dst_v += dst_stride_v; |
+ } |
+ return 0; |
+} |
+ |
+// Convert UYVY to I422. |
+LIBYUV_API |
+int UYVYToI422(const uint8* src_uyvy, int src_stride_uyvy, |
+ uint8* dst_y, int dst_stride_y, |
+ uint8* dst_u, int dst_stride_u, |
+ uint8* dst_v, int dst_stride_v, |
+ int width, int height) { |
+ int y; |
+ void (*UYVYToUV422Row)(const uint8* src_uyvy, |
+ uint8* dst_u, uint8* dst_v, int pix) = |
+ UYVYToUV422Row_C; |
+ void (*UYVYToYRow)(const uint8* src_uyvy, |
+ uint8* dst_y, int pix) = UYVYToYRow_C; |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_uyvy = src_uyvy + (height - 1) * src_stride_uyvy; |
+ src_stride_uyvy = -src_stride_uyvy; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_uyvy == width * 2 && |
+ dst_stride_y == width && |
+ dst_stride_u * 2 == width && |
+ dst_stride_v * 2 == width) { |
+ width *= height; |
+ height = 1; |
+ src_stride_uyvy = dst_stride_y = dst_stride_u = dst_stride_v = 0; |
+ } |
+#if defined(HAS_UYVYTOYROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) { |
+ UYVYToUV422Row = UYVYToUV422Row_Any_SSE2; |
+ UYVYToYRow = UYVYToYRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 16)) { |
+ UYVYToUV422Row = UYVYToUV422Row_Unaligned_SSE2; |
+ UYVYToYRow = UYVYToYRow_Unaligned_SSE2; |
+ if (IS_ALIGNED(src_uyvy, 16) && IS_ALIGNED(src_stride_uyvy, 16)) { |
+ UYVYToUV422Row = UYVYToUV422Row_SSE2; |
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ UYVYToYRow = UYVYToYRow_SSE2; |
+ } |
+ } |
+ } |
+ } |
+#endif |
+#if defined(HAS_UYVYTOYROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 32) { |
+ UYVYToUV422Row = UYVYToUV422Row_Any_AVX2; |
+ UYVYToYRow = UYVYToYRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 32)) { |
+ UYVYToUV422Row = UYVYToUV422Row_AVX2; |
+ UYVYToYRow = UYVYToYRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_UYVYTOYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ UYVYToYRow = UYVYToYRow_Any_NEON; |
+ if (width >= 16) { |
+ UYVYToUV422Row = UYVYToUV422Row_Any_NEON; |
+ } |
+ if (IS_ALIGNED(width, 16)) { |
+ UYVYToYRow = UYVYToYRow_NEON; |
+ UYVYToUV422Row = UYVYToUV422Row_NEON; |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ UYVYToUV422Row(src_uyvy, dst_u, dst_v, width); |
+ UYVYToYRow(src_uyvy, dst_y, width); |
+ src_uyvy += src_stride_uyvy; |
+ dst_y += dst_stride_y; |
+ dst_u += dst_stride_u; |
+ dst_v += dst_stride_v; |
+ } |
+ return 0; |
+} |
+ |
+// Mirror I400 with optional flipping |
+LIBYUV_API |
+int I400Mirror(const uint8* src_y, int src_stride_y, |
+ uint8* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ if (!src_y || !dst_y || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_stride_y = -src_stride_y; |
+ } |
+ |
+ MirrorPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
+ return 0; |
+} |
+ |
+// Mirror I420 with optional flipping |
+LIBYUV_API |
+int I420Mirror(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_y, int dst_stride_y, |
+ uint8* dst_u, int dst_stride_u, |
+ uint8* dst_v, int dst_stride_v, |
+ int width, int height) { |
+ int halfwidth = (width + 1) >> 1; |
+ int halfheight = (height + 1) >> 1; |
+ if (!src_y || !src_u || !src_v || !dst_y || !dst_u || !dst_v || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ halfheight = (height + 1) >> 1; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_u = src_u + (halfheight - 1) * src_stride_u; |
+ src_v = src_v + (halfheight - 1) * src_stride_v; |
+ src_stride_y = -src_stride_y; |
+ src_stride_u = -src_stride_u; |
+ src_stride_v = -src_stride_v; |
+ } |
+ |
+ if (dst_y) { |
+ MirrorPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
+ } |
+ MirrorPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, halfheight); |
+ MirrorPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, halfheight); |
+ return 0; |
+} |
+ |
+// ARGB mirror. |
+LIBYUV_API |
+int ARGBMirror(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBMirrorRow)(const uint8* src, uint8* dst, int width) = |
+ ARGBMirrorRow_C; |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ |
+#if defined(HAS_ARGBMIRRORROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 4) && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBMirrorRow = ARGBMirrorRow_SSSE3; |
+ } |
+#endif |
+#if defined(HAS_ARGBMIRRORROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && IS_ALIGNED(width, 8)) { |
+ ARGBMirrorRow = ARGBMirrorRow_AVX2; |
+ } |
+#endif |
+#if defined(HAS_ARGBMIRRORROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 4)) { |
+ ARGBMirrorRow = ARGBMirrorRow_NEON; |
+ } |
+#endif |
+ |
+ // Mirror plane |
+ for (y = 0; y < height; ++y) { |
+ ARGBMirrorRow(src_argb, dst_argb, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Get a blender that optimized for the CPU, alignment and pixel count. |
+// As there are 6 blenders to choose from, the caller should try to use |
+// the same blend function for all pixels if possible. |
+LIBYUV_API |
+ARGBBlendRow GetARGBBlend() { |
+ void (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1, |
+ uint8* dst_argb, int width) = ARGBBlendRow_C; |
+#if defined(HAS_ARGBBLENDROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3)) { |
+ ARGBBlendRow = ARGBBlendRow_SSSE3; |
+ return ARGBBlendRow; |
+ } |
+#endif |
+#if defined(HAS_ARGBBLENDROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2)) { |
+ ARGBBlendRow = ARGBBlendRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_ARGBBLENDROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON)) { |
+ ARGBBlendRow = ARGBBlendRow_NEON; |
+ } |
+#endif |
+ return ARGBBlendRow; |
+} |
+ |
+// Alpha Blend 2 ARGB images and store to destination. |
+LIBYUV_API |
+int ARGBBlend(const uint8* src_argb0, int src_stride_argb0, |
+ const uint8* src_argb1, int src_stride_argb1, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1, |
+ uint8* dst_argb, int width) = GetARGBBlend(); |
+ if (!src_argb0 || !src_argb1 || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_argb = dst_argb + (height - 1) * dst_stride_argb; |
+ dst_stride_argb = -dst_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb0 == width * 4 && |
+ src_stride_argb1 == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0; |
+ } |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBBlendRow(src_argb0, src_argb1, dst_argb, width); |
+ src_argb0 += src_stride_argb0; |
+ src_argb1 += src_stride_argb1; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Multiply 2 ARGB images and store to destination. |
+LIBYUV_API |
+int ARGBMultiply(const uint8* src_argb0, int src_stride_argb0, |
+ const uint8* src_argb1, int src_stride_argb1, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBMultiplyRow)(const uint8* src0, const uint8* src1, uint8* dst, |
+ int width) = ARGBMultiplyRow_C; |
+ if (!src_argb0 || !src_argb1 || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_argb = dst_argb + (height - 1) * dst_stride_argb; |
+ dst_stride_argb = -dst_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb0 == width * 4 && |
+ src_stride_argb1 == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBMULTIPLYROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4) { |
+ ARGBMultiplyRow = ARGBMultiplyRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBMultiplyRow = ARGBMultiplyRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBMULTIPLYROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 8) { |
+ ARGBMultiplyRow = ARGBMultiplyRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBMultiplyRow = ARGBMultiplyRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBMULTIPLYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ ARGBMultiplyRow = ARGBMultiplyRow_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBMultiplyRow = ARGBMultiplyRow_NEON; |
+ } |
+ } |
+#endif |
+ |
+ // Multiply plane |
+ for (y = 0; y < height; ++y) { |
+ ARGBMultiplyRow(src_argb0, src_argb1, dst_argb, width); |
+ src_argb0 += src_stride_argb0; |
+ src_argb1 += src_stride_argb1; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Add 2 ARGB images and store to destination. |
+LIBYUV_API |
+int ARGBAdd(const uint8* src_argb0, int src_stride_argb0, |
+ const uint8* src_argb1, int src_stride_argb1, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBAddRow)(const uint8* src0, const uint8* src1, uint8* dst, |
+ int width) = ARGBAddRow_C; |
+ if (!src_argb0 || !src_argb1 || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_argb = dst_argb + (height - 1) * dst_stride_argb; |
+ dst_stride_argb = -dst_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb0 == width * 4 && |
+ src_stride_argb1 == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBADDROW_SSE2) && defined(_MSC_VER) |
+ if (TestCpuFlag(kCpuHasSSE2)) { |
+ ARGBAddRow = ARGBAddRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_ARGBADDROW_SSE2) && !defined(_MSC_VER) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4) { |
+ ARGBAddRow = ARGBAddRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBAddRow = ARGBAddRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBADDROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 8) { |
+ ARGBAddRow = ARGBAddRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBAddRow = ARGBAddRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBADDROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ ARGBAddRow = ARGBAddRow_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBAddRow = ARGBAddRow_NEON; |
+ } |
+ } |
+#endif |
+ |
+ // Add plane |
+ for (y = 0; y < height; ++y) { |
+ ARGBAddRow(src_argb0, src_argb1, dst_argb, width); |
+ src_argb0 += src_stride_argb0; |
+ src_argb1 += src_stride_argb1; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Subtract 2 ARGB images and store to destination. |
+LIBYUV_API |
+int ARGBSubtract(const uint8* src_argb0, int src_stride_argb0, |
+ const uint8* src_argb1, int src_stride_argb1, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBSubtractRow)(const uint8* src0, const uint8* src1, uint8* dst, |
+ int width) = ARGBSubtractRow_C; |
+ if (!src_argb0 || !src_argb1 || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_argb = dst_argb + (height - 1) * dst_stride_argb; |
+ dst_stride_argb = -dst_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb0 == width * 4 && |
+ src_stride_argb1 == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBSUBTRACTROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4) { |
+ ARGBSubtractRow = ARGBSubtractRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBSubtractRow = ARGBSubtractRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBSUBTRACTROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 8) { |
+ ARGBSubtractRow = ARGBSubtractRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBSubtractRow = ARGBSubtractRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBSUBTRACTROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ ARGBSubtractRow = ARGBSubtractRow_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBSubtractRow = ARGBSubtractRow_NEON; |
+ } |
+ } |
+#endif |
+ |
+ // Subtract plane |
+ for (y = 0; y < height; ++y) { |
+ ARGBSubtractRow(src_argb0, src_argb1, dst_argb, width); |
+ src_argb0 += src_stride_argb0; |
+ src_argb1 += src_stride_argb1; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Convert I422 to BGRA. |
+LIBYUV_API |
+int I422ToBGRA(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_bgra, int dst_stride_bgra, |
+ int width, int height) { |
+ int y; |
+ void (*I422ToBGRARow)(const uint8* y_buf, |
+ const uint8* u_buf, |
+ const uint8* v_buf, |
+ uint8* rgb_buf, |
+ int width) = I422ToBGRARow_C; |
+ if (!src_y || !src_u || !src_v || |
+ !dst_bgra || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_bgra = dst_bgra + (height - 1) * dst_stride_bgra; |
+ dst_stride_bgra = -dst_stride_bgra; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_y == width && |
+ src_stride_u * 2 == width && |
+ src_stride_v * 2 == width && |
+ dst_stride_bgra == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_y = src_stride_u = src_stride_v = dst_stride_bgra = 0; |
+ } |
+#if defined(HAS_I422TOBGRAROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON)) { |
+ I422ToBGRARow = I422ToBGRARow_Any_NEON; |
+ if (IS_ALIGNED(width, 16)) { |
+ I422ToBGRARow = I422ToBGRARow_NEON; |
+ } |
+ } |
+#elif defined(HAS_I422TOBGRAROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { |
+ I422ToBGRARow = I422ToBGRARow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ I422ToBGRARow = I422ToBGRARow_Unaligned_SSSE3; |
+ if (IS_ALIGNED(dst_bgra, 16) && IS_ALIGNED(dst_stride_bgra, 16)) { |
+ I422ToBGRARow = I422ToBGRARow_SSSE3; |
+ } |
+ } |
+ } |
+#elif defined(HAS_I422TOBGRAROW_MIPS_DSPR2) |
+ if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) && |
+ IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) && |
+ IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) && |
+ IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) && |
+ IS_ALIGNED(dst_bgra, 4) && IS_ALIGNED(dst_stride_bgra, 4)) { |
+ I422ToBGRARow = I422ToBGRARow_MIPS_DSPR2; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ I422ToBGRARow(src_y, src_u, src_v, dst_bgra, width); |
+ dst_bgra += dst_stride_bgra; |
+ src_y += src_stride_y; |
+ src_u += src_stride_u; |
+ src_v += src_stride_v; |
+ } |
+ return 0; |
+} |
+ |
+// Convert I422 to ABGR. |
+LIBYUV_API |
+int I422ToABGR(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_abgr, int dst_stride_abgr, |
+ int width, int height) { |
+ int y; |
+ void (*I422ToABGRRow)(const uint8* y_buf, |
+ const uint8* u_buf, |
+ const uint8* v_buf, |
+ uint8* rgb_buf, |
+ int width) = I422ToABGRRow_C; |
+ if (!src_y || !src_u || !src_v || |
+ !dst_abgr || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_abgr = dst_abgr + (height - 1) * dst_stride_abgr; |
+ dst_stride_abgr = -dst_stride_abgr; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_y == width && |
+ src_stride_u * 2 == width && |
+ src_stride_v * 2 == width && |
+ dst_stride_abgr == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_y = src_stride_u = src_stride_v = dst_stride_abgr = 0; |
+ } |
+#if defined(HAS_I422TOABGRROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON)) { |
+ I422ToABGRRow = I422ToABGRRow_Any_NEON; |
+ if (IS_ALIGNED(width, 16)) { |
+ I422ToABGRRow = I422ToABGRRow_NEON; |
+ } |
+ } |
+#elif defined(HAS_I422TOABGRROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { |
+ I422ToABGRRow = I422ToABGRRow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ I422ToABGRRow = I422ToABGRRow_Unaligned_SSSE3; |
+ if (IS_ALIGNED(dst_abgr, 16) && IS_ALIGNED(dst_stride_abgr, 16)) { |
+ I422ToABGRRow = I422ToABGRRow_SSSE3; |
+ } |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ I422ToABGRRow(src_y, src_u, src_v, dst_abgr, width); |
+ dst_abgr += dst_stride_abgr; |
+ src_y += src_stride_y; |
+ src_u += src_stride_u; |
+ src_v += src_stride_v; |
+ } |
+ return 0; |
+} |
+ |
+// Convert I422 to RGBA. |
+LIBYUV_API |
+int I422ToRGBA(const uint8* src_y, int src_stride_y, |
+ const uint8* src_u, int src_stride_u, |
+ const uint8* src_v, int src_stride_v, |
+ uint8* dst_rgba, int dst_stride_rgba, |
+ int width, int height) { |
+ int y; |
+ void (*I422ToRGBARow)(const uint8* y_buf, |
+ const uint8* u_buf, |
+ const uint8* v_buf, |
+ uint8* rgb_buf, |
+ int width) = I422ToRGBARow_C; |
+ if (!src_y || !src_u || !src_v || |
+ !dst_rgba || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_rgba = dst_rgba + (height - 1) * dst_stride_rgba; |
+ dst_stride_rgba = -dst_stride_rgba; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_y == width && |
+ src_stride_u * 2 == width && |
+ src_stride_v * 2 == width && |
+ dst_stride_rgba == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_y = src_stride_u = src_stride_v = dst_stride_rgba = 0; |
+ } |
+#if defined(HAS_I422TORGBAROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON)) { |
+ I422ToRGBARow = I422ToRGBARow_Any_NEON; |
+ if (IS_ALIGNED(width, 16)) { |
+ I422ToRGBARow = I422ToRGBARow_NEON; |
+ } |
+ } |
+#elif defined(HAS_I422TORGBAROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { |
+ I422ToRGBARow = I422ToRGBARow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ I422ToRGBARow = I422ToRGBARow_Unaligned_SSSE3; |
+ if (IS_ALIGNED(dst_rgba, 16) && IS_ALIGNED(dst_stride_rgba, 16)) { |
+ I422ToRGBARow = I422ToRGBARow_SSSE3; |
+ } |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ I422ToRGBARow(src_y, src_u, src_v, dst_rgba, width); |
+ dst_rgba += dst_stride_rgba; |
+ src_y += src_stride_y; |
+ src_u += src_stride_u; |
+ src_v += src_stride_v; |
+ } |
+ return 0; |
+} |
+ |
+// Convert NV12 to RGB565. |
+LIBYUV_API |
+int NV12ToRGB565(const uint8* src_y, int src_stride_y, |
+ const uint8* src_uv, int src_stride_uv, |
+ uint8* dst_rgb565, int dst_stride_rgb565, |
+ int width, int height) { |
+ int y; |
+ void (*NV12ToRGB565Row)(const uint8* y_buf, |
+ const uint8* uv_buf, |
+ uint8* rgb_buf, |
+ int width) = NV12ToRGB565Row_C; |
+ if (!src_y || !src_uv || !dst_rgb565 || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565; |
+ dst_stride_rgb565 = -dst_stride_rgb565; |
+ } |
+#if defined(HAS_NV12TORGB565ROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { |
+ NV12ToRGB565Row = NV12ToRGB565Row_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ NV12ToRGB565Row = NV12ToRGB565Row_SSSE3; |
+ } |
+ } |
+#elif defined(HAS_NV12TORGB565ROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ NV12ToRGB565Row = NV12ToRGB565Row_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ NV12ToRGB565Row = NV12ToRGB565Row_NEON; |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ NV12ToRGB565Row(src_y, src_uv, dst_rgb565, width); |
+ dst_rgb565 += dst_stride_rgb565; |
+ src_y += src_stride_y; |
+ if (y & 1) { |
+ src_uv += src_stride_uv; |
+ } |
+ } |
+ return 0; |
+} |
+ |
+// Convert NV21 to RGB565. |
+LIBYUV_API |
+int NV21ToRGB565(const uint8* src_y, int src_stride_y, |
+ const uint8* src_vu, int src_stride_vu, |
+ uint8* dst_rgb565, int dst_stride_rgb565, |
+ int width, int height) { |
+ int y; |
+ void (*NV21ToRGB565Row)(const uint8* y_buf, |
+ const uint8* src_vu, |
+ uint8* rgb_buf, |
+ int width) = NV21ToRGB565Row_C; |
+ if (!src_y || !src_vu || !dst_rgb565 || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565; |
+ dst_stride_rgb565 = -dst_stride_rgb565; |
+ } |
+#if defined(HAS_NV21TORGB565ROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { |
+ NV21ToRGB565Row = NV21ToRGB565Row_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ NV21ToRGB565Row = NV21ToRGB565Row_SSSE3; |
+ } |
+ } |
+#elif defined(HAS_NV21TORGB565ROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ NV21ToRGB565Row = NV21ToRGB565Row_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ NV21ToRGB565Row = NV21ToRGB565Row_NEON; |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ NV21ToRGB565Row(src_y, src_vu, dst_rgb565, width); |
+ dst_rgb565 += dst_stride_rgb565; |
+ src_y += src_stride_y; |
+ if (y & 1) { |
+ src_vu += src_stride_vu; |
+ } |
+ } |
+ return 0; |
+} |
+ |
+LIBYUV_API |
+void SetPlane(uint8* dst_y, int dst_stride_y, |
+ int width, int height, |
+ uint32 value) { |
+ int y; |
+ uint32 v32 = value | (value << 8) | (value << 16) | (value << 24); |
+ void (*SetRow)(uint8* dst, uint32 value, int pix) = SetRow_C; |
+ // Coalesce rows. |
+ if (dst_stride_y == width) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_y = 0; |
+ } |
+#if defined(HAS_SETROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && |
+ IS_ALIGNED(width, 16) && |
+ IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ SetRow = SetRow_NEON; |
+ } |
+#endif |
+#if defined(HAS_SETROW_X86) |
+ if (TestCpuFlag(kCpuHasX86) && IS_ALIGNED(width, 4)) { |
+ SetRow = SetRow_X86; |
+ } |
+#endif |
+ |
+ // Set plane |
+ for (y = 0; y < height; ++y) { |
+ SetRow(dst_y, v32, width); |
+ dst_y += dst_stride_y; |
+ } |
+} |
+ |
+// Draw a rectangle into I420 |
+LIBYUV_API |
+int I420Rect(uint8* dst_y, int dst_stride_y, |
+ uint8* dst_u, int dst_stride_u, |
+ uint8* dst_v, int dst_stride_v, |
+ int x, int y, |
+ int width, int height, |
+ int value_y, int value_u, int value_v) { |
+ int halfwidth = (width + 1) >> 1; |
+ int halfheight = (height + 1) >> 1; |
+ uint8* start_y = dst_y + y * dst_stride_y + x; |
+ uint8* start_u = dst_u + (y / 2) * dst_stride_u + (x / 2); |
+ uint8* start_v = dst_v + (y / 2) * dst_stride_v + (x / 2); |
+ if (!dst_y || !dst_u || !dst_v || |
+ width <= 0 || height <= 0 || |
+ x < 0 || y < 0 || |
+ value_y < 0 || value_y > 255 || |
+ value_u < 0 || value_u > 255 || |
+ value_v < 0 || value_v > 255) { |
+ return -1; |
+ } |
+ |
+ SetPlane(start_y, dst_stride_y, width, height, value_y); |
+ SetPlane(start_u, dst_stride_u, halfwidth, halfheight, value_u); |
+ SetPlane(start_v, dst_stride_v, halfwidth, halfheight, value_v); |
+ return 0; |
+} |
+ |
+// Draw a rectangle into ARGB |
+LIBYUV_API |
+int ARGBRect(uint8* dst_argb, int dst_stride_argb, |
+ int dst_x, int dst_y, |
+ int width, int height, |
+ uint32 value) { |
+ if (!dst_argb || |
+ width <= 0 || height <= 0 || |
+ dst_x < 0 || dst_y < 0) { |
+ return -1; |
+ } |
+ dst_argb += dst_y * dst_stride_argb + dst_x * 4; |
+ // Coalesce rows. |
+ if (dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_argb = 0; |
+ } |
+#if defined(HAS_SETROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBSetRows_NEON(dst_argb, value, width, dst_stride_argb, height); |
+ return 0; |
+ } |
+#endif |
+#if defined(HAS_SETROW_X86) |
+ if (TestCpuFlag(kCpuHasX86)) { |
+ ARGBSetRows_X86(dst_argb, value, width, dst_stride_argb, height); |
+ return 0; |
+ } |
+#endif |
+ ARGBSetRows_C(dst_argb, value, width, dst_stride_argb, height); |
+ return 0; |
+} |
+ |
+// Convert unattentuated ARGB to preattenuated ARGB. |
+// An unattenutated ARGB alpha blend uses the formula |
+// p = a * f + (1 - a) * b |
+// where |
+// p is output pixel |
+// f is foreground pixel |
+// b is background pixel |
+// a is alpha value from foreground pixel |
+// An preattenutated ARGB alpha blend uses the formula |
+// p = f + (1 - a) * b |
+// where |
+// f is foreground pixel premultiplied by alpha |
+ |
+LIBYUV_API |
+int ARGBAttenuate(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBAttenuateRow)(const uint8* src_argb, uint8* dst_argb, |
+ int width) = ARGBAttenuateRow_C; |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBATTENUATEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4 && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBATTENUATEROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 4) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_SSSE3; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBATTENUATEROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 8) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBATTENUATEROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBAttenuateRow = ARGBAttenuateRow_NEON; |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBAttenuateRow(src_argb, dst_argb, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Convert preattentuated ARGB to unattenuated ARGB. |
+LIBYUV_API |
+int ARGBUnattenuate(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBUnattenuateRow)(const uint8* src_argb, uint8* dst_argb, |
+ int width) = ARGBUnattenuateRow_C; |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBUNATTENUATEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4) { |
+ ARGBUnattenuateRow = ARGBUnattenuateRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBUnattenuateRow = ARGBUnattenuateRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBUNATTENUATEROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 8) { |
+ ARGBUnattenuateRow = ARGBUnattenuateRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBUnattenuateRow = ARGBUnattenuateRow_AVX2; |
+ } |
+ } |
+#endif |
+// TODO(fbarchard): Neon version. |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBUnattenuateRow(src_argb, dst_argb, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Convert ARGB to Grayed ARGB. |
+LIBYUV_API |
+int ARGBGrayTo(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBGrayRow)(const uint8* src_argb, uint8* dst_argb, |
+ int width) = ARGBGrayRow_C; |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBGRAYROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8) && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBGrayRow = ARGBGrayRow_SSSE3; |
+ } |
+#elif defined(HAS_ARGBGRAYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ ARGBGrayRow = ARGBGrayRow_NEON; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBGrayRow(src_argb, dst_argb, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Make a rectangle of ARGB gray scale. |
+LIBYUV_API |
+int ARGBGray(uint8* dst_argb, int dst_stride_argb, |
+ int dst_x, int dst_y, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBGrayRow)(const uint8* src_argb, uint8* dst_argb, |
+ int width) = ARGBGrayRow_C; |
+ uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4; |
+ if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0) { |
+ return -1; |
+ } |
+ // Coalesce rows. |
+ if (dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBGRAYROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBGrayRow = ARGBGrayRow_SSSE3; |
+ } |
+#elif defined(HAS_ARGBGRAYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ ARGBGrayRow = ARGBGrayRow_NEON; |
+ } |
+#endif |
+ for (y = 0; y < height; ++y) { |
+ ARGBGrayRow(dst, dst, width); |
+ dst += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Make a rectangle of ARGB Sepia tone. |
+LIBYUV_API |
+int ARGBSepia(uint8* dst_argb, int dst_stride_argb, |
+ int dst_x, int dst_y, int width, int height) { |
+ int y; |
+ void (*ARGBSepiaRow)(uint8* dst_argb, int width) = ARGBSepiaRow_C; |
+ uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4; |
+ if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0) { |
+ return -1; |
+ } |
+ // Coalesce rows. |
+ if (dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBSEPIAROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBSepiaRow = ARGBSepiaRow_SSSE3; |
+ } |
+#elif defined(HAS_ARGBSEPIAROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ ARGBSepiaRow = ARGBSepiaRow_NEON; |
+ } |
+#endif |
+ for (y = 0; y < height; ++y) { |
+ ARGBSepiaRow(dst, width); |
+ dst += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Apply a 4x4 matrix to each ARGB pixel. |
+// Note: Normally for shading, but can be used to swizzle or invert. |
+LIBYUV_API |
+int ARGBColorMatrix(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ const int8* matrix_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBColorMatrixRow)(const uint8* src_argb, uint8* dst_argb, |
+ const int8* matrix_argb, int width) = ARGBColorMatrixRow_C; |
+ if (!src_argb || !dst_argb || !matrix_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBCOLORMATRIXROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBColorMatrixRow = ARGBColorMatrixRow_SSSE3; |
+ } |
+#elif defined(HAS_ARGBCOLORMATRIXROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ ARGBColorMatrixRow = ARGBColorMatrixRow_NEON; |
+ } |
+#endif |
+ for (y = 0; y < height; ++y) { |
+ ARGBColorMatrixRow(src_argb, dst_argb, matrix_argb, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Apply a 4x3 matrix to each ARGB pixel. |
+// Deprecated. |
+LIBYUV_API |
+int RGBColorMatrix(uint8* dst_argb, int dst_stride_argb, |
+ const int8* matrix_rgb, |
+ int dst_x, int dst_y, int width, int height) { |
+ SIMD_ALIGNED(int8 matrix_argb[16]); |
+ uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4; |
+ if (!dst_argb || !matrix_rgb || width <= 0 || height <= 0 || |
+ dst_x < 0 || dst_y < 0) { |
+ return -1; |
+ } |
+ |
+ // Convert 4x3 7 bit matrix to 4x4 6 bit matrix. |
+ matrix_argb[0] = matrix_rgb[0] / 2; |
+ matrix_argb[1] = matrix_rgb[1] / 2; |
+ matrix_argb[2] = matrix_rgb[2] / 2; |
+ matrix_argb[3] = matrix_rgb[3] / 2; |
+ matrix_argb[4] = matrix_rgb[4] / 2; |
+ matrix_argb[5] = matrix_rgb[5] / 2; |
+ matrix_argb[6] = matrix_rgb[6] / 2; |
+ matrix_argb[7] = matrix_rgb[7] / 2; |
+ matrix_argb[8] = matrix_rgb[8] / 2; |
+ matrix_argb[9] = matrix_rgb[9] / 2; |
+ matrix_argb[10] = matrix_rgb[10] / 2; |
+ matrix_argb[11] = matrix_rgb[11] / 2; |
+ matrix_argb[14] = matrix_argb[13] = matrix_argb[12] = 0; |
+ matrix_argb[15] = 64; // 1.0 |
+ |
+ return ARGBColorMatrix((const uint8*)(dst), dst_stride_argb, |
+ dst, dst_stride_argb, |
+ &matrix_argb[0], width, height); |
+} |
+ |
+// Apply a color table each ARGB pixel. |
+// Table contains 256 ARGB values. |
+LIBYUV_API |
+int ARGBColorTable(uint8* dst_argb, int dst_stride_argb, |
+ const uint8* table_argb, |
+ int dst_x, int dst_y, int width, int height) { |
+ int y; |
+ void (*ARGBColorTableRow)(uint8* dst_argb, const uint8* table_argb, |
+ int width) = ARGBColorTableRow_C; |
+ uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4; |
+ if (!dst_argb || !table_argb || width <= 0 || height <= 0 || |
+ dst_x < 0 || dst_y < 0) { |
+ return -1; |
+ } |
+ // Coalesce rows. |
+ if (dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBCOLORTABLEROW_X86) |
+ if (TestCpuFlag(kCpuHasX86)) { |
+ ARGBColorTableRow = ARGBColorTableRow_X86; |
+ } |
+#endif |
+ for (y = 0; y < height; ++y) { |
+ ARGBColorTableRow(dst, table_argb, width); |
+ dst += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Apply a color table each ARGB pixel but preserve destination alpha. |
+// Table contains 256 ARGB values. |
+LIBYUV_API |
+int RGBColorTable(uint8* dst_argb, int dst_stride_argb, |
+ const uint8* table_argb, |
+ int dst_x, int dst_y, int width, int height) { |
+ int y; |
+ void (*RGBColorTableRow)(uint8* dst_argb, const uint8* table_argb, |
+ int width) = RGBColorTableRow_C; |
+ uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4; |
+ if (!dst_argb || !table_argb || width <= 0 || height <= 0 || |
+ dst_x < 0 || dst_y < 0) { |
+ return -1; |
+ } |
+ // Coalesce rows. |
+ if (dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_argb = 0; |
+ } |
+#if defined(HAS_RGBCOLORTABLEROW_X86) |
+ if (TestCpuFlag(kCpuHasX86)) { |
+ RGBColorTableRow = RGBColorTableRow_X86; |
+ } |
+#endif |
+ for (y = 0; y < height; ++y) { |
+ RGBColorTableRow(dst, table_argb, width); |
+ dst += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// ARGBQuantize is used to posterize art. |
+// e.g. rgb / qvalue * qvalue + qvalue / 2 |
+// But the low levels implement efficiently with 3 parameters, and could be |
+// used for other high level operations. |
+// dst_argb[0] = (b * scale >> 16) * interval_size + interval_offset; |
+// where scale is 1 / interval_size as a fixed point value. |
+// The divide is replaces with a multiply by reciprocal fixed point multiply. |
+// Caveat - although SSE2 saturates, the C function does not and should be used |
+// with care if doing anything but quantization. |
+LIBYUV_API |
+int ARGBQuantize(uint8* dst_argb, int dst_stride_argb, |
+ int scale, int interval_size, int interval_offset, |
+ int dst_x, int dst_y, int width, int height) { |
+ int y; |
+ void (*ARGBQuantizeRow)(uint8* dst_argb, int scale, int interval_size, |
+ int interval_offset, int width) = ARGBQuantizeRow_C; |
+ uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4; |
+ if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0 || |
+ interval_size < 1 || interval_size > 255) { |
+ return -1; |
+ } |
+ // Coalesce rows. |
+ if (dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBQUANTIZEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBQuantizeRow = ARGBQuantizeRow_SSE2; |
+ } |
+#elif defined(HAS_ARGBQUANTIZEROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ ARGBQuantizeRow = ARGBQuantizeRow_NEON; |
+ } |
+#endif |
+ for (y = 0; y < height; ++y) { |
+ ARGBQuantizeRow(dst, scale, interval_size, interval_offset, width); |
+ dst += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Computes table of cumulative sum for image where the value is the sum |
+// of all values above and to the left of the entry. Used by ARGBBlur. |
+LIBYUV_API |
+int ARGBComputeCumulativeSum(const uint8* src_argb, int src_stride_argb, |
+ int32* dst_cumsum, int dst_stride32_cumsum, |
+ int width, int height) { |
+ int y; |
+ void (*ComputeCumulativeSumRow)(const uint8* row, int32* cumsum, |
+ const int32* previous_cumsum, int width) = ComputeCumulativeSumRow_C; |
+ int32* previous_cumsum = dst_cumsum; |
+ if (!dst_cumsum || !src_argb || width <= 0 || height <= 0) { |
+ return -1; |
+ } |
+#if defined(HAS_CUMULATIVESUMTOAVERAGEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2)) { |
+ ComputeCumulativeSumRow = ComputeCumulativeSumRow_SSE2; |
+ } |
+#endif |
+ memset(dst_cumsum, 0, width * sizeof(dst_cumsum[0]) * 4); // 4 int per pixel. |
+ for (y = 0; y < height; ++y) { |
+ ComputeCumulativeSumRow(src_argb, dst_cumsum, previous_cumsum, width); |
+ previous_cumsum = dst_cumsum; |
+ dst_cumsum += dst_stride32_cumsum; |
+ src_argb += src_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Blur ARGB image. |
+// Caller should allocate CumulativeSum table of width * height * 16 bytes |
+// aligned to 16 byte boundary. height can be radius * 2 + 2 to save memory |
+// as the buffer is treated as circular. |
+LIBYUV_API |
+int ARGBBlur(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int32* dst_cumsum, int dst_stride32_cumsum, |
+ int width, int height, int radius) { |
+ int y; |
+ void (*ComputeCumulativeSumRow)(const uint8 *row, int32 *cumsum, |
+ const int32* previous_cumsum, int width) = ComputeCumulativeSumRow_C; |
+ void (*CumulativeSumToAverageRow)(const int32* topleft, const int32* botleft, |
+ int width, int area, uint8* dst, int count) = CumulativeSumToAverageRow_C; |
+ int32* cumsum_bot_row; |
+ int32* max_cumsum_bot_row; |
+ int32* cumsum_top_row; |
+ |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ if (radius > height) { |
+ radius = height; |
+ } |
+ if (radius > (width / 2 - 1)) { |
+ radius = width / 2 - 1; |
+ } |
+ if (radius <= 0) { |
+ return -1; |
+ } |
+#if defined(HAS_CUMULATIVESUMTOAVERAGEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2)) { |
+ ComputeCumulativeSumRow = ComputeCumulativeSumRow_SSE2; |
+ CumulativeSumToAverageRow = CumulativeSumToAverageRow_SSE2; |
+ } |
+#endif |
+ // Compute enough CumulativeSum for first row to be blurred. After this |
+ // one row of CumulativeSum is updated at a time. |
+ ARGBComputeCumulativeSum(src_argb, src_stride_argb, |
+ dst_cumsum, dst_stride32_cumsum, |
+ width, radius); |
+ |
+ src_argb = src_argb + radius * src_stride_argb; |
+ cumsum_bot_row = &dst_cumsum[(radius - 1) * dst_stride32_cumsum]; |
+ |
+ max_cumsum_bot_row = &dst_cumsum[(radius * 2 + 2) * dst_stride32_cumsum]; |
+ cumsum_top_row = &dst_cumsum[0]; |
+ |
+ for (y = 0; y < height; ++y) { |
+ int top_y = ((y - radius - 1) >= 0) ? (y - radius - 1) : 0; |
+ int bot_y = ((y + radius) < height) ? (y + radius) : (height - 1); |
+ int area = radius * (bot_y - top_y); |
+ int boxwidth = radius * 4; |
+ int x; |
+ int n; |
+ |
+ // Increment cumsum_top_row pointer with circular buffer wrap around. |
+ if (top_y) { |
+ cumsum_top_row += dst_stride32_cumsum; |
+ if (cumsum_top_row >= max_cumsum_bot_row) { |
+ cumsum_top_row = dst_cumsum; |
+ } |
+ } |
+ // Increment cumsum_bot_row pointer with circular buffer wrap around and |
+ // then fill in a row of CumulativeSum. |
+ if ((y + radius) < height) { |
+ const int32* prev_cumsum_bot_row = cumsum_bot_row; |
+ cumsum_bot_row += dst_stride32_cumsum; |
+ if (cumsum_bot_row >= max_cumsum_bot_row) { |
+ cumsum_bot_row = dst_cumsum; |
+ } |
+ ComputeCumulativeSumRow(src_argb, cumsum_bot_row, prev_cumsum_bot_row, |
+ width); |
+ src_argb += src_stride_argb; |
+ } |
+ |
+ // Left clipped. |
+ for (x = 0; x < radius + 1; ++x) { |
+ CumulativeSumToAverageRow(cumsum_top_row, cumsum_bot_row, |
+ boxwidth, area, &dst_argb[x * 4], 1); |
+ area += (bot_y - top_y); |
+ boxwidth += 4; |
+ } |
+ |
+ // Middle unclipped. |
+ n = (width - 1) - radius - x + 1; |
+ CumulativeSumToAverageRow(cumsum_top_row, cumsum_bot_row, |
+ boxwidth, area, &dst_argb[x * 4], n); |
+ |
+ // Right clipped. |
+ for (x += n; x <= width - 1; ++x) { |
+ area -= (bot_y - top_y); |
+ boxwidth -= 4; |
+ CumulativeSumToAverageRow(cumsum_top_row + (x - radius - 1) * 4, |
+ cumsum_bot_row + (x - radius - 1) * 4, |
+ boxwidth, area, &dst_argb[x * 4], 1); |
+ } |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Multiply ARGB image by a specified ARGB value. |
+LIBYUV_API |
+int ARGBShade(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height, uint32 value) { |
+ int y; |
+ void (*ARGBShadeRow)(const uint8* src_argb, uint8* dst_argb, |
+ int width, uint32 value) = ARGBShadeRow_C; |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0 || value == 0u) { |
+ return -1; |
+ } |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBSHADEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4) && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBShadeRow = ARGBShadeRow_SSE2; |
+ } |
+#elif defined(HAS_ARGBSHADEROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ ARGBShadeRow = ARGBShadeRow_NEON; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBShadeRow(src_argb, dst_argb, width, value); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Interpolate 2 ARGB images by specified amount (0 to 255). |
+LIBYUV_API |
+int ARGBInterpolate(const uint8* src_argb0, int src_stride_argb0, |
+ const uint8* src_argb1, int src_stride_argb1, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height, int interpolation) { |
+ int y; |
+ void (*InterpolateRow)(uint8* dst_ptr, const uint8* src_ptr, |
+ ptrdiff_t src_stride, int dst_width, |
+ int source_y_fraction) = InterpolateRow_C; |
+ if (!src_argb0 || !src_argb1 || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ dst_argb = dst_argb + (height - 1) * dst_stride_argb; |
+ dst_stride_argb = -dst_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb0 == width * 4 && |
+ src_stride_argb1 == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_INTERPOLATEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4) { |
+ InterpolateRow = InterpolateRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ InterpolateRow = InterpolateRow_Unaligned_SSE2; |
+ if (IS_ALIGNED(src_argb0, 16) && IS_ALIGNED(src_stride_argb0, 16) && |
+ IS_ALIGNED(src_argb1, 16) && IS_ALIGNED(src_stride_argb1, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ InterpolateRow = InterpolateRow_SSE2; |
+ } |
+ } |
+ } |
+#endif |
+#if defined(HAS_INTERPOLATEROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 4) { |
+ InterpolateRow = InterpolateRow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 4)) { |
+ InterpolateRow = InterpolateRow_Unaligned_SSSE3; |
+ if (IS_ALIGNED(src_argb0, 16) && IS_ALIGNED(src_stride_argb0, 16) && |
+ IS_ALIGNED(src_argb1, 16) && IS_ALIGNED(src_stride_argb1, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ InterpolateRow = InterpolateRow_SSSE3; |
+ } |
+ } |
+ } |
+#endif |
+#if defined(HAS_INTERPOLATEROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 8) { |
+ InterpolateRow = InterpolateRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 8)) { |
+ InterpolateRow = InterpolateRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_INTERPOLATEROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 4) { |
+ InterpolateRow = InterpolateRow_Any_NEON; |
+ if (IS_ALIGNED(width, 4)) { |
+ InterpolateRow = InterpolateRow_NEON; |
+ } |
+ } |
+#endif |
+#if defined(HAS_INTERPOLATEROWS_MIPS_DSPR2) |
+ if (TestCpuFlag(kCpuHasMIPS_DSPR2) && width >= 1 && |
+ IS_ALIGNED(src_argb0, 4) && IS_ALIGNED(src_stride_argb0, 4) && |
+ IS_ALIGNED(src_argb1, 4) && IS_ALIGNED(src_stride_argb1, 4) && |
+ IS_ALIGNED(dst_argb, 4) && IS_ALIGNED(dst_stride_argb, 4)) { |
+ ScaleARGBFilterRows = InterpolateRow_MIPS_DSPR2; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ InterpolateRow(dst_argb, src_argb0, src_argb1 - src_argb0, |
+ width * 4, interpolation); |
+ src_argb0 += src_stride_argb0; |
+ src_argb1 += src_stride_argb1; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Shuffle ARGB channel order. e.g. BGRA to ARGB. |
+LIBYUV_API |
+int ARGBShuffle(const uint8* src_bgra, int src_stride_bgra, |
+ uint8* dst_argb, int dst_stride_argb, |
+ const uint8* shuffler, int width, int height) { |
+ int y; |
+ void (*ARGBShuffleRow)(const uint8* src_bgra, uint8* dst_argb, |
+ const uint8* shuffler, int pix) = ARGBShuffleRow_C; |
+ if (!src_bgra || !dst_argb || |
+ width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_bgra = src_bgra + (height - 1) * src_stride_bgra; |
+ src_stride_bgra = -src_stride_bgra; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_bgra == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_bgra = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBSHUFFLEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 4) { |
+ ARGBShuffleRow = ARGBShuffleRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBShuffleRow = ARGBShuffleRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBSHUFFLEROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { |
+ ARGBShuffleRow = ARGBShuffleRow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBShuffleRow = ARGBShuffleRow_Unaligned_SSSE3; |
+ if (IS_ALIGNED(src_bgra, 16) && IS_ALIGNED(src_stride_bgra, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ ARGBShuffleRow = ARGBShuffleRow_SSSE3; |
+ } |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBSHUFFLEROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 16) { |
+ ARGBShuffleRow = ARGBShuffleRow_Any_AVX2; |
+ if (IS_ALIGNED(width, 16)) { |
+ ARGBShuffleRow = ARGBShuffleRow_AVX2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBSHUFFLEROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 4) { |
+ ARGBShuffleRow = ARGBShuffleRow_Any_NEON; |
+ if (IS_ALIGNED(width, 4)) { |
+ ARGBShuffleRow = ARGBShuffleRow_NEON; |
+ } |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBShuffleRow(src_bgra, dst_argb, shuffler, width); |
+ src_bgra += src_stride_bgra; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Sobel ARGB effect. |
+static int ARGBSobelize(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height, |
+ void (*SobelRow)(const uint8* src_sobelx, |
+ const uint8* src_sobely, |
+ uint8* dst, int width)) { |
+ int y; |
+ void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer, |
+ uint32 selector, int pix) = ARGBToBayerGGRow_C; |
+ void (*SobelYRow)(const uint8* src_y0, const uint8* src_y1, |
+ uint8* dst_sobely, int width) = SobelYRow_C; |
+ void (*SobelXRow)(const uint8* src_y0, const uint8* src_y1, |
+ const uint8* src_y2, uint8* dst_sobely, int width) = |
+ SobelXRow_C; |
+ const int kEdge = 16; // Extra pixels at start of row for extrude/align. |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // ARGBToBayer used to select G channel from ARGB. |
+#if defined(HAS_ARGBTOBAYERGGROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 8 && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) { |
+ ARGBToBayerRow = ARGBToBayerGGRow_Any_SSE2; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBToBayerRow = ARGBToBayerGGRow_SSE2; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBTOBAYERROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8 && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) { |
+ ARGBToBayerRow = ARGBToBayerRow_Any_SSSE3; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBToBayerRow = ARGBToBayerRow_SSSE3; |
+ } |
+ } |
+#endif |
+#if defined(HAS_ARGBTOBAYERGGROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) { |
+ ARGBToBayerRow = ARGBToBayerGGRow_Any_NEON; |
+ if (IS_ALIGNED(width, 8)) { |
+ ARGBToBayerRow = ARGBToBayerGGRow_NEON; |
+ } |
+ } |
+#endif |
+#if defined(HAS_SOBELYROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2)) { |
+ SobelYRow = SobelYRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_SOBELYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON)) { |
+ SobelYRow = SobelYRow_NEON; |
+ } |
+#endif |
+#if defined(HAS_SOBELXROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2)) { |
+ SobelXRow = SobelXRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_SOBELXROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON)) { |
+ SobelXRow = SobelXRow_NEON; |
+ } |
+#endif |
+ { |
+ // 3 rows with edges before/after. |
+ const int kRowSize = (width + kEdge + 15) & ~15; |
+ align_buffer_64(rows, kRowSize * 2 + (kEdge + kRowSize * 3 + kEdge)); |
+ uint8* row_sobelx = rows; |
+ uint8* row_sobely = rows + kRowSize; |
+ uint8* row_y = rows + kRowSize * 2; |
+ |
+ // Convert first row. |
+ uint8* row_y0 = row_y + kEdge; |
+ uint8* row_y1 = row_y0 + kRowSize; |
+ uint8* row_y2 = row_y1 + kRowSize; |
+ ARGBToBayerRow(src_argb, row_y0, 0x0d090501, width); |
+ row_y0[-1] = row_y0[0]; |
+ memset(row_y0 + width, row_y0[width - 1], 16); // Extrude 16 for valgrind. |
+ ARGBToBayerRow(src_argb, row_y1, 0x0d090501, width); |
+ row_y1[-1] = row_y1[0]; |
+ memset(row_y1 + width, row_y1[width - 1], 16); |
+ memset(row_y2 + width, 0, 16); |
+ |
+ for (y = 0; y < height; ++y) { |
+ // Convert next row of ARGB to Y. |
+ if (y < (height - 1)) { |
+ src_argb += src_stride_argb; |
+ } |
+ ARGBToBayerRow(src_argb, row_y2, 0x0d090501, width); |
+ row_y2[-1] = row_y2[0]; |
+ row_y2[width] = row_y2[width - 1]; |
+ |
+ SobelXRow(row_y0 - 1, row_y1 - 1, row_y2 - 1, row_sobelx, width); |
+ SobelYRow(row_y0 - 1, row_y2 - 1, row_sobely, width); |
+ SobelRow(row_sobelx, row_sobely, dst_argb, width); |
+ |
+ // Cycle thru circular queue of 3 row_y buffers. |
+ { |
+ uint8* row_yt = row_y0; |
+ row_y0 = row_y1; |
+ row_y1 = row_y2; |
+ row_y2 = row_yt; |
+ } |
+ |
+ dst_argb += dst_stride_argb; |
+ } |
+ free_aligned_buffer_64(rows); |
+ } |
+ return 0; |
+} |
+ |
+// Sobel ARGB effect. |
+LIBYUV_API |
+int ARGBSobel(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ void (*SobelRow)(const uint8* src_sobelx, const uint8* src_sobely, |
+ uint8* dst_argb, int width) = SobelRow_C; |
+#if defined(HAS_SOBELROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ SobelRow = SobelRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_SOBELROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ SobelRow = SobelRow_NEON; |
+ } |
+#endif |
+ return ARGBSobelize(src_argb, src_stride_argb, dst_argb, dst_stride_argb, |
+ width, height, SobelRow); |
+} |
+ |
+// Sobel ARGB effect with planar output. |
+LIBYUV_API |
+int ARGBSobelToPlane(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_y, int dst_stride_y, |
+ int width, int height) { |
+ void (*SobelToPlaneRow)(const uint8* src_sobelx, const uint8* src_sobely, |
+ uint8* dst_, int width) = SobelToPlaneRow_C; |
+#if defined(HAS_SOBELTOPLANEROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16) && |
+ IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) { |
+ SobelToPlaneRow = SobelToPlaneRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_SOBELTOPLANEROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16)) { |
+ SobelToPlaneRow = SobelToPlaneRow_NEON; |
+ } |
+#endif |
+ return ARGBSobelize(src_argb, src_stride_argb, dst_y, dst_stride_y, |
+ width, height, SobelToPlaneRow); |
+} |
+ |
+// SobelXY ARGB effect. |
+// Similar to Sobel, but also stores Sobel X in R and Sobel Y in B. G = Sobel. |
+LIBYUV_API |
+int ARGBSobelXY(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ void (*SobelXYRow)(const uint8* src_sobelx, const uint8* src_sobely, |
+ uint8* dst_argb, int width) = SobelXYRow_C; |
+#if defined(HAS_SOBELXYROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
+ SobelXYRow = SobelXYRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_SOBELXYROW_NEON) |
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) { |
+ SobelXYRow = SobelXYRow_NEON; |
+ } |
+#endif |
+ return ARGBSobelize(src_argb, src_stride_argb, dst_argb, dst_stride_argb, |
+ width, height, SobelXYRow); |
+} |
+ |
+// Apply a 4x4 polynomial to each ARGB pixel. |
+LIBYUV_API |
+int ARGBPolynomial(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ const float* poly, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBPolynomialRow)(const uint8* src_argb, |
+ uint8* dst_argb, const float* poly, |
+ int width) = ARGBPolynomialRow_C; |
+ if (!src_argb || !dst_argb || !poly || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBPOLYNOMIALROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 2)) { |
+ ARGBPolynomialRow = ARGBPolynomialRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_ARGBPOLYNOMIALROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && TestCpuFlag(kCpuHasFMA3) && |
+ IS_ALIGNED(width, 2)) { |
+ ARGBPolynomialRow = ARGBPolynomialRow_AVX2; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBPolynomialRow(src_argb, dst_argb, poly, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Apply a lumacolortable to each ARGB pixel. |
+LIBYUV_API |
+int ARGBLumaColorTable(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ const uint8* luma, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBLumaColorTableRow)(const uint8* src_argb, uint8* dst_argb, |
+ int width, const uint8* luma, const uint32 lumacoeff) = |
+ ARGBLumaColorTableRow_C; |
+ if (!src_argb || !dst_argb || !luma || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBLUMACOLORTABLEROW_SSSE3) |
+ if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 4)) { |
+ ARGBLumaColorTableRow = ARGBLumaColorTableRow_SSSE3; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBLumaColorTableRow(src_argb, dst_argb, width, luma, 0x00264b0f); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Copy Alpha from one ARGB image to another. |
+LIBYUV_API |
+int ARGBCopyAlpha(const uint8* src_argb, int src_stride_argb, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBCopyAlphaRow)(const uint8* src_argb, uint8* dst_argb, int width) = |
+ ARGBCopyAlphaRow_C; |
+ if (!src_argb || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_argb = src_argb + (height - 1) * src_stride_argb; |
+ src_stride_argb = -src_stride_argb; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_argb == width * 4 && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_argb = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBCOPYALPHAROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && |
+ IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16) && |
+ IS_ALIGNED(width, 8)) { |
+ ARGBCopyAlphaRow = ARGBCopyAlphaRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_ARGBCOPYALPHAROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && IS_ALIGNED(width, 16)) { |
+ ARGBCopyAlphaRow = ARGBCopyAlphaRow_AVX2; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBCopyAlphaRow(src_argb, dst_argb, width); |
+ src_argb += src_stride_argb; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+// Copy a planar Y channel to the alpha channel of a destination ARGB image. |
+LIBYUV_API |
+int ARGBCopyYToAlpha(const uint8* src_y, int src_stride_y, |
+ uint8* dst_argb, int dst_stride_argb, |
+ int width, int height) { |
+ int y; |
+ void (*ARGBCopyYToAlphaRow)(const uint8* src_y, uint8* dst_argb, int width) = |
+ ARGBCopyYToAlphaRow_C; |
+ if (!src_y || !dst_argb || width <= 0 || height == 0) { |
+ return -1; |
+ } |
+ // Negative height means invert the image. |
+ if (height < 0) { |
+ height = -height; |
+ src_y = src_y + (height - 1) * src_stride_y; |
+ src_stride_y = -src_stride_y; |
+ } |
+ // Coalesce rows. |
+ if (src_stride_y == width && |
+ dst_stride_argb == width * 4) { |
+ width *= height; |
+ height = 1; |
+ src_stride_y = dst_stride_argb = 0; |
+ } |
+#if defined(HAS_ARGBCOPYYTOALPHAROW_SSE2) |
+ if (TestCpuFlag(kCpuHasSSE2) && |
+ IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && |
+ IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16) && |
+ IS_ALIGNED(width, 8)) { |
+ ARGBCopyYToAlphaRow = ARGBCopyYToAlphaRow_SSE2; |
+ } |
+#endif |
+#if defined(HAS_ARGBCOPYYTOALPHAROW_AVX2) |
+ if (TestCpuFlag(kCpuHasAVX2) && IS_ALIGNED(width, 16)) { |
+ ARGBCopyYToAlphaRow = ARGBCopyYToAlphaRow_AVX2; |
+ } |
+#endif |
+ |
+ for (y = 0; y < height; ++y) { |
+ ARGBCopyYToAlphaRow(src_y, dst_argb, width); |
+ src_y += src_stride_y; |
+ dst_argb += dst_stride_argb; |
+ } |
+ return 0; |
+} |
+ |
+#ifdef __cplusplus |
+} // extern "C" |
+} // namespace libyuv |
+#endif |