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Unified Diff: source/libvpx/third_party/libyuv/source/convert.cc

Issue 478033002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 4 months ago
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Index: source/libvpx/third_party/libyuv/source/convert.cc
===================================================================
--- source/libvpx/third_party/libyuv/source/convert.cc (revision 0)
+++ source/libvpx/third_party/libyuv/source/convert.cc (revision 0)
@@ -0,0 +1,1513 @@
+/*
+ * 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 "libyuv/convert.h"
+
+#include "libyuv/basic_types.h"
+#include "libyuv/cpu_id.h"
+#include "libyuv/planar_functions.h"
+#include "libyuv/rotate.h"
+#include "libyuv/scale.h" // For ScalePlane()
+#include "libyuv/row.h"
+
+#ifdef __cplusplus
+namespace libyuv {
+extern "C" {
+#endif
+
+#define SUBSAMPLE(v, a, s) (v < 0) ? (-((-v + a) >> s)) : ((v + a) >> s)
+static __inline int Abs(int v) {
+ return v >= 0 ? v : -v;
+}
+
+// Any I4xx To I420 format with mirroring.
+static int I4xxToI420(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 src_y_width, int src_y_height,
+ int src_uv_width, int src_uv_height) {
+ const int dst_y_width = Abs(src_y_width);
+ const int dst_y_height = Abs(src_y_height);
+ const int dst_uv_width = SUBSAMPLE(dst_y_width, 1, 1);
+ const int dst_uv_height = SUBSAMPLE(dst_y_height, 1, 1);
+ if (src_y_width == 0 || src_y_height == 0 ||
+ src_uv_width == 0 || src_uv_height == 0) {
+ return -1;
+ }
+ ScalePlane(src_y, src_stride_y, src_y_width, src_y_height,
+ dst_y, dst_stride_y, dst_y_width, dst_y_height,
+ kFilterBilinear);
+ ScalePlane(src_u, src_stride_u, src_uv_width, src_uv_height,
+ dst_u, dst_stride_u, dst_uv_width, dst_uv_height,
+ kFilterBilinear);
+ ScalePlane(src_v, src_stride_v, src_uv_width, src_uv_height,
+ dst_v, dst_stride_v, dst_uv_width, dst_uv_height,
+ kFilterBilinear);
+ return 0;
+}
+
+// Copy I420 with optional flipping
+// TODO(fbarchard): Use Scale plane which supports mirroring, but ensure
+// is does row coalescing.
+LIBYUV_API
+int I420Copy(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) {
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
+ }
+ // Copy UV planes.
+ CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, halfheight);
+ CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, halfheight);
+ return 0;
+}
+
+// 422 chroma is 1/2 width, 1x height
+// 420 chroma is 1/2 width, 1/2 height
+LIBYUV_API
+int I422ToI420(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) {
+ const int src_uv_width = SUBSAMPLE(width, 1, 1);
+ return I4xxToI420(src_y, src_stride_y,
+ src_u, src_stride_u,
+ src_v, src_stride_v,
+ dst_y, dst_stride_y,
+ dst_u, dst_stride_u,
+ dst_v, dst_stride_v,
+ width, height,
+ src_uv_width, height);
+}
+
+// 444 chroma is 1x width, 1x height
+// 420 chroma is 1/2 width, 1/2 height
+LIBYUV_API
+int I444ToI420(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) {
+ return I4xxToI420(src_y, src_stride_y,
+ src_u, src_stride_u,
+ src_v, src_stride_v,
+ dst_y, dst_stride_y,
+ dst_u, dst_stride_u,
+ dst_v, dst_stride_v,
+ width, height,
+ width, height);
+}
+
+// 411 chroma is 1/4 width, 1x height
+// 420 chroma is 1/2 width, 1/2 height
+LIBYUV_API
+int I411ToI420(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) {
+ const int src_uv_width = SUBSAMPLE(width, 3, 2);
+ return I4xxToI420(src_y, src_stride_y,
+ src_u, src_stride_u,
+ src_v, src_stride_v,
+ dst_y, dst_stride_y,
+ dst_u, dst_stride_u,
+ dst_v, dst_stride_v,
+ width, height,
+ src_uv_width, height);
+}
+
+// I400 is greyscale typically used in MJPG
+LIBYUV_API
+int I400ToI420(const uint8* src_y, int src_stride_y,
+ 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 || !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_stride_y = -src_stride_y;
+ }
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
+ SetPlane(dst_u, dst_stride_u, halfwidth, halfheight, 128);
+ SetPlane(dst_v, dst_stride_v, halfwidth, halfheight, 128);
+ return 0;
+}
+
+static void CopyPlane2(const uint8* src, int src_stride_0, int src_stride_1,
+ uint8* dst, int dst_stride,
+ int width, int height) {
+ int y;
+ void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
+#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, 16) &&
+ IS_ALIGNED(src_stride_0, 16) && IS_ALIGNED(src_stride_1, 16) &&
+ IS_ALIGNED(dst, 16) && IS_ALIGNED(dst_stride, 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 - 1; y += 2) {
+ CopyRow(src, dst, width);
+ CopyRow(src + src_stride_0, dst + dst_stride, width);
+ src += src_stride_0 + src_stride_1;
+ dst += dst_stride * 2;
+ }
+ if (height & 1) {
+ CopyRow(src, dst, width);
+ }
+}
+
+// Support converting from FOURCC_M420
+// Useful for bandwidth constrained transports like USB 1.0 and 2.0 and for
+// easy conversion to I420.
+// M420 format description:
+// M420 is row biplanar 420: 2 rows of Y and 1 row of UV.
+// Chroma is half width / half height. (420)
+// src_stride_m420 is row planar. Normally this will be the width in pixels.
+// The UV plane is half width, but 2 values, so src_stride_m420 applies to
+// this as well as the two Y planes.
+static int X420ToI420(const uint8* src_y,
+ int src_stride_y0, int src_stride_y1,
+ const uint8* src_uv, int src_stride_uv,
+ 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;
+ int halfwidth = (width + 1) >> 1;
+ int halfheight = (height + 1) >> 1;
+ void (*SplitUVRow)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) =
+ SplitUVRow_C;
+ if (!src_y || !src_uv ||
+ !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;
+ dst_y = dst_y + (height - 1) * dst_stride_y;
+ dst_u = dst_u + (halfheight - 1) * dst_stride_u;
+ dst_v = dst_v + (halfheight - 1) * dst_stride_v;
+ dst_stride_y = -dst_stride_y;
+ dst_stride_u = -dst_stride_u;
+ dst_stride_v = -dst_stride_v;
+ }
+ // Coalesce rows.
+ if (src_stride_y0 == width &&
+ src_stride_y1 == width &&
+ dst_stride_y == width) {
+ width *= height;
+ height = 1;
+ src_stride_y0 = src_stride_y1 = dst_stride_y = 0;
+ }
+ // Coalesce rows.
+ if (src_stride_uv == halfwidth * 2 &&
+ dst_stride_u == halfwidth &&
+ dst_stride_v == halfwidth) {
+ halfwidth *= halfheight;
+ halfheight = 1;
+ src_stride_uv = dst_stride_u = dst_stride_v = 0;
+ }
+#if defined(HAS_SPLITUVROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
+ SplitUVRow = SplitUVRow_Any_SSE2;
+ if (IS_ALIGNED(halfwidth, 16)) {
+ SplitUVRow = SplitUVRow_Unaligned_SSE2;
+ if (IS_ALIGNED(src_uv, 16) && IS_ALIGNED(src_stride_uv, 16) &&
+ IS_ALIGNED(dst_u, 16) && IS_ALIGNED(dst_stride_u, 16) &&
+ IS_ALIGNED(dst_v, 16) && IS_ALIGNED(dst_stride_v, 16)) {
+ SplitUVRow = SplitUVRow_SSE2;
+ }
+ }
+ }
+#endif
+#if defined(HAS_SPLITUVROW_AVX2)
+ if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
+ SplitUVRow = SplitUVRow_Any_AVX2;
+ if (IS_ALIGNED(halfwidth, 32)) {
+ SplitUVRow = SplitUVRow_AVX2;
+ }
+ }
+#endif
+#if defined(HAS_SPLITUVROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
+ SplitUVRow = SplitUVRow_Any_NEON;
+ if (IS_ALIGNED(halfwidth, 16)) {
+ SplitUVRow = SplitUVRow_NEON;
+ }
+ }
+#endif
+#if defined(HAS_SPLITUVROW_MIPS_DSPR2)
+ if (TestCpuFlag(kCpuHasMIPS_DSPR2) && halfwidth >= 16) {
+ SplitUVRow = SplitUVRow_Any_MIPS_DSPR2;
+ if (IS_ALIGNED(halfwidth, 16)) {
+ SplitUVRow = SplitUVRow_Unaligned_MIPS_DSPR2;
+ if (IS_ALIGNED(src_uv, 4) && IS_ALIGNED(src_stride_uv, 4) &&
+ IS_ALIGNED(dst_u, 4) && IS_ALIGNED(dst_stride_u, 4) &&
+ IS_ALIGNED(dst_v, 4) && IS_ALIGNED(dst_stride_v, 4)) {
+ SplitUVRow = SplitUVRow_MIPS_DSPR2;
+ }
+ }
+ }
+#endif
+
+ if (dst_y) {
+ if (src_stride_y0 == src_stride_y1) {
+ CopyPlane(src_y, src_stride_y0, dst_y, dst_stride_y, width, height);
+ } else {
+ CopyPlane2(src_y, src_stride_y0, src_stride_y1, dst_y, dst_stride_y,
+ width, height);
+ }
+ }
+
+ for (y = 0; y < halfheight; ++y) {
+ // Copy a row of UV.
+ SplitUVRow(src_uv, dst_u, dst_v, halfwidth);
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ src_uv += src_stride_uv;
+ }
+ return 0;
+}
+
+// Convert NV12 to I420.
+LIBYUV_API
+int NV12ToI420(const uint8* src_y, int src_stride_y,
+ const uint8* src_uv, int src_stride_uv,
+ 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) {
+ return X420ToI420(src_y, src_stride_y, src_stride_y,
+ src_uv, src_stride_uv,
+ dst_y, dst_stride_y,
+ dst_u, dst_stride_u,
+ dst_v, dst_stride_v,
+ width, height);
+}
+
+// Convert NV21 to I420. Same as NV12 but u and v pointers swapped.
+LIBYUV_API
+int NV21ToI420(const uint8* src_y, int src_stride_y,
+ const uint8* src_vu, int src_stride_vu,
+ 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) {
+ return X420ToI420(src_y, src_stride_y, src_stride_y,
+ src_vu, src_stride_vu,
+ dst_y, dst_stride_y,
+ dst_v, dst_stride_v,
+ dst_u, dst_stride_u,
+ width, height);
+}
+
+// Convert M420 to I420.
+LIBYUV_API
+int M420ToI420(const uint8* src_m420, int src_stride_m420,
+ 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) {
+ return X420ToI420(src_m420, src_stride_m420, src_stride_m420 * 2,
+ src_m420 + src_stride_m420 * 2, src_stride_m420 * 3,
+ dst_y, dst_stride_y,
+ dst_u, dst_stride_u,
+ dst_v, dst_stride_v,
+ width, height);
+}
+
+// Convert Q420 to I420.
+// Format is rows of YY/YUYV
+LIBYUV_API
+int Q420ToI420(const uint8* src_y, int src_stride_y,
+ 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;
+ int halfheight = (height + 1) >> 1;
+ void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
+ 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;
+ if (!src_y || !src_yuy2 ||
+ !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;
+ dst_y = dst_y + (height - 1) * dst_stride_y;
+ dst_u = dst_u + (halfheight - 1) * dst_stride_u;
+ dst_v = dst_v + (halfheight - 1) * dst_stride_v;
+ dst_stride_y = -dst_stride_y;
+ dst_stride_u = -dst_stride_u;
+ dst_stride_v = -dst_stride_v;
+ }
+ // CopyRow for rows of just Y in Q420 copied to Y plane of I420.
+#if defined(HAS_COPYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 32)) {
+ CopyRow = CopyRow_NEON;
+ }
+#endif
+#if defined(HAS_COPYROW_X86)
+ if (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_MIPS)
+ if (TestCpuFlag(kCpuHasMIPS)) {
+ CopyRow = CopyRow_MIPS;
+ }
+#endif
+
+#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 - 1; y += 2) {
+ CopyRow(src_y, dst_y, width);
+ src_y += src_stride_y;
+ dst_y += dst_stride_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;
+ }
+ if (height & 1) {
+ CopyRow(src_y, dst_y, width);
+ YUY2ToUV422Row(src_yuy2, dst_u, dst_v, width);
+ }
+ return 0;
+}
+
+// Convert YUY2 to I420.
+LIBYUV_API
+int YUY2ToI420(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 (*YUY2ToUVRow)(const uint8* src_yuy2, int src_stride_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) = YUY2ToUVRow_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;
+ }
+#if defined(HAS_YUY2TOYROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
+ YUY2ToUVRow = YUY2ToUVRow_Any_SSE2;
+ YUY2ToYRow = YUY2ToYRow_Any_SSE2;
+ if (IS_ALIGNED(width, 16)) {
+ YUY2ToUVRow = YUY2ToUVRow_Unaligned_SSE2;
+ YUY2ToYRow = YUY2ToYRow_Unaligned_SSE2;
+ if (IS_ALIGNED(src_yuy2, 16) && IS_ALIGNED(src_stride_yuy2, 16)) {
+ YUY2ToUVRow = YUY2ToUVRow_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) {
+ YUY2ToUVRow = YUY2ToUVRow_Any_AVX2;
+ YUY2ToYRow = YUY2ToYRow_Any_AVX2;
+ if (IS_ALIGNED(width, 32)) {
+ YUY2ToUVRow = YUY2ToUVRow_AVX2;
+ YUY2ToYRow = YUY2ToYRow_AVX2;
+ }
+ }
+#endif
+#if defined(HAS_YUY2TOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ YUY2ToYRow = YUY2ToYRow_Any_NEON;
+ if (width >= 16) {
+ YUY2ToUVRow = YUY2ToUVRow_Any_NEON;
+ }
+ if (IS_ALIGNED(width, 16)) {
+ YUY2ToYRow = YUY2ToYRow_NEON;
+ YUY2ToUVRow = YUY2ToUVRow_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ YUY2ToUVRow(src_yuy2, src_stride_yuy2, dst_u, dst_v, width);
+ YUY2ToYRow(src_yuy2, dst_y, width);
+ YUY2ToYRow(src_yuy2 + src_stride_yuy2, dst_y + dst_stride_y, width);
+ src_yuy2 += src_stride_yuy2 * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+ YUY2ToUVRow(src_yuy2, 0, dst_u, dst_v, width);
+ YUY2ToYRow(src_yuy2, dst_y, width);
+ }
+ return 0;
+}
+
+// Convert UYVY to I420.
+LIBYUV_API
+int UYVYToI420(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 (*UYVYToUVRow)(const uint8* src_uyvy, int src_stride_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) = UYVYToUVRow_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;
+ }
+#if defined(HAS_UYVYTOYROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
+ UYVYToUVRow = UYVYToUVRow_Any_SSE2;
+ UYVYToYRow = UYVYToYRow_Any_SSE2;
+ if (IS_ALIGNED(width, 16)) {
+ UYVYToUVRow = UYVYToUVRow_Unaligned_SSE2;
+ UYVYToYRow = UYVYToYRow_Unaligned_SSE2;
+ if (IS_ALIGNED(src_uyvy, 16) && IS_ALIGNED(src_stride_uyvy, 16)) {
+ UYVYToUVRow = UYVYToUVRow_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) {
+ UYVYToUVRow = UYVYToUVRow_Any_AVX2;
+ UYVYToYRow = UYVYToYRow_Any_AVX2;
+ if (IS_ALIGNED(width, 32)) {
+ UYVYToUVRow = UYVYToUVRow_AVX2;
+ UYVYToYRow = UYVYToYRow_AVX2;
+ }
+ }
+#endif
+#if defined(HAS_UYVYTOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ UYVYToYRow = UYVYToYRow_Any_NEON;
+ if (width >= 16) {
+ UYVYToUVRow = UYVYToUVRow_Any_NEON;
+ }
+ if (IS_ALIGNED(width, 16)) {
+ UYVYToYRow = UYVYToYRow_NEON;
+ UYVYToUVRow = UYVYToUVRow_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ UYVYToUVRow(src_uyvy, src_stride_uyvy, dst_u, dst_v, width);
+ UYVYToYRow(src_uyvy, dst_y, width);
+ UYVYToYRow(src_uyvy + src_stride_uyvy, dst_y + dst_stride_y, width);
+ src_uyvy += src_stride_uyvy * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+ UYVYToUVRow(src_uyvy, 0, dst_u, dst_v, width);
+ UYVYToYRow(src_uyvy, dst_y, width);
+ }
+ return 0;
+}
+
+// Convert ARGB to I420.
+LIBYUV_API
+int ARGBToI420(const uint8* src_argb, int src_stride_argb,
+ 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 (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
+ void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
+ ARGBToYRow_C;
+ if (!src_argb ||
+ !dst_y || !dst_u || !dst_v ||
+ 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_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
+ ARGBToYRow = ARGBToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_Unaligned_SSSE3;
+ ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
+ ARGBToUVRow = ARGBToUVRow_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ARGBToYRow = ARGBToYRow_SSSE3;
+ }
+ }
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
+ ARGBToUVRow = ARGBToUVRow_Any_AVX2;
+ ARGBToYRow = ARGBToYRow_Any_AVX2;
+ if (IS_ALIGNED(width, 32)) {
+ ARGBToUVRow = ARGBToUVRow_AVX2;
+ ARGBToYRow = ARGBToYRow_AVX2;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ ARGBToYRow = ARGBToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ ARGBToYRow = ARGBToYRow_NEON;
+ }
+ if (width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_NEON;
+ }
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ ARGBToUVRow(src_argb, src_stride_argb, dst_u, dst_v, width);
+ ARGBToYRow(src_argb, dst_y, width);
+ ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
+ src_argb += src_stride_argb * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+ ARGBToUVRow(src_argb, 0, dst_u, dst_v, width);
+ ARGBToYRow(src_argb, dst_y, width);
+ }
+ return 0;
+}
+
+// Convert BGRA to I420.
+LIBYUV_API
+int BGRAToI420(const uint8* src_bgra, int src_stride_bgra,
+ 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 (*BGRAToUVRow)(const uint8* src_bgra0, int src_stride_bgra,
+ uint8* dst_u, uint8* dst_v, int width) = BGRAToUVRow_C;
+ void (*BGRAToYRow)(const uint8* src_bgra, uint8* dst_y, int pix) =
+ BGRAToYRow_C;
+ if (!src_bgra ||
+ !dst_y || !dst_u || !dst_v ||
+ 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;
+ }
+#if defined(HAS_BGRATOYROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ BGRAToUVRow = BGRAToUVRow_Any_SSSE3;
+ BGRAToYRow = BGRAToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ BGRAToUVRow = BGRAToUVRow_Unaligned_SSSE3;
+ BGRAToYRow = BGRAToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(src_bgra, 16) && IS_ALIGNED(src_stride_bgra, 16)) {
+ BGRAToUVRow = BGRAToUVRow_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ BGRAToYRow = BGRAToYRow_SSSE3;
+ }
+ }
+ }
+ }
+#elif defined(HAS_BGRATOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ BGRAToYRow = BGRAToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ BGRAToYRow = BGRAToYRow_NEON;
+ }
+ if (width >= 16) {
+ BGRAToUVRow = BGRAToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ BGRAToUVRow = BGRAToUVRow_NEON;
+ }
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ BGRAToUVRow(src_bgra, src_stride_bgra, dst_u, dst_v, width);
+ BGRAToYRow(src_bgra, dst_y, width);
+ BGRAToYRow(src_bgra + src_stride_bgra, dst_y + dst_stride_y, width);
+ src_bgra += src_stride_bgra * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+ BGRAToUVRow(src_bgra, 0, dst_u, dst_v, width);
+ BGRAToYRow(src_bgra, dst_y, width);
+ }
+ return 0;
+}
+
+// Convert ABGR to I420.
+LIBYUV_API
+int ABGRToI420(const uint8* src_abgr, int src_stride_abgr,
+ 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 (*ABGRToUVRow)(const uint8* src_abgr0, int src_stride_abgr,
+ uint8* dst_u, uint8* dst_v, int width) = ABGRToUVRow_C;
+ void (*ABGRToYRow)(const uint8* src_abgr, uint8* dst_y, int pix) =
+ ABGRToYRow_C;
+ if (!src_abgr ||
+ !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_abgr = src_abgr + (height - 1) * src_stride_abgr;
+ src_stride_abgr = -src_stride_abgr;
+ }
+#if defined(HAS_ABGRTOYROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ABGRToUVRow = ABGRToUVRow_Any_SSSE3;
+ ABGRToYRow = ABGRToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ABGRToUVRow = ABGRToUVRow_Unaligned_SSSE3;
+ ABGRToYRow = ABGRToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(src_abgr, 16) && IS_ALIGNED(src_stride_abgr, 16)) {
+ ABGRToUVRow = ABGRToUVRow_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ABGRToYRow = ABGRToYRow_SSSE3;
+ }
+ }
+ }
+ }
+#elif defined(HAS_ABGRTOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ ABGRToYRow = ABGRToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ ABGRToYRow = ABGRToYRow_NEON;
+ }
+ if (width >= 16) {
+ ABGRToUVRow = ABGRToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ ABGRToUVRow = ABGRToUVRow_NEON;
+ }
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ ABGRToUVRow(src_abgr, src_stride_abgr, dst_u, dst_v, width);
+ ABGRToYRow(src_abgr, dst_y, width);
+ ABGRToYRow(src_abgr + src_stride_abgr, dst_y + dst_stride_y, width);
+ src_abgr += src_stride_abgr * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+ ABGRToUVRow(src_abgr, 0, dst_u, dst_v, width);
+ ABGRToYRow(src_abgr, dst_y, width);
+ }
+ return 0;
+}
+
+// Convert RGBA to I420.
+LIBYUV_API
+int RGBAToI420(const uint8* src_rgba, int src_stride_rgba,
+ 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 (*RGBAToUVRow)(const uint8* src_rgba0, int src_stride_rgba,
+ uint8* dst_u, uint8* dst_v, int width) = RGBAToUVRow_C;
+ void (*RGBAToYRow)(const uint8* src_rgba, uint8* dst_y, int pix) =
+ RGBAToYRow_C;
+ if (!src_rgba ||
+ !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_rgba = src_rgba + (height - 1) * src_stride_rgba;
+ src_stride_rgba = -src_stride_rgba;
+ }
+#if defined(HAS_RGBATOYROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ RGBAToUVRow = RGBAToUVRow_Any_SSSE3;
+ RGBAToYRow = RGBAToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ RGBAToUVRow = RGBAToUVRow_Unaligned_SSSE3;
+ RGBAToYRow = RGBAToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(src_rgba, 16) && IS_ALIGNED(src_stride_rgba, 16)) {
+ RGBAToUVRow = RGBAToUVRow_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ RGBAToYRow = RGBAToYRow_SSSE3;
+ }
+ }
+ }
+ }
+#elif defined(HAS_RGBATOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ RGBAToYRow = RGBAToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ RGBAToYRow = RGBAToYRow_NEON;
+ }
+ if (width >= 16) {
+ RGBAToUVRow = RGBAToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ RGBAToUVRow = RGBAToUVRow_NEON;
+ }
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ RGBAToUVRow(src_rgba, src_stride_rgba, dst_u, dst_v, width);
+ RGBAToYRow(src_rgba, dst_y, width);
+ RGBAToYRow(src_rgba + src_stride_rgba, dst_y + dst_stride_y, width);
+ src_rgba += src_stride_rgba * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+ RGBAToUVRow(src_rgba, 0, dst_u, dst_v, width);
+ RGBAToYRow(src_rgba, dst_y, width);
+ }
+ return 0;
+}
+
+// Convert RGB24 to I420.
+LIBYUV_API
+int RGB24ToI420(const uint8* src_rgb24, int src_stride_rgb24,
+ 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;
+#if defined(HAS_RGB24TOYROW_NEON)
+ void (*RGB24ToUVRow)(const uint8* src_rgb24, int src_stride_rgb24,
+ uint8* dst_u, uint8* dst_v, int width) = RGB24ToUVRow_C;
+ void (*RGB24ToYRow)(const uint8* src_rgb24, uint8* dst_y, int pix) =
+ RGB24ToYRow_C;
+#else
+ void (*RGB24ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int pix) =
+ RGB24ToARGBRow_C;
+ void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
+ void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
+ ARGBToYRow_C;
+ // Allocate 2 rows of ARGB.
+ const int kRowSize = (width * 4 + 15) & ~15;
+ align_buffer_64(row, kRowSize * 2);
+#endif
+ if (!src_rgb24 || !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_rgb24 = src_rgb24 + (height - 1) * src_stride_rgb24;
+ src_stride_rgb24 = -src_stride_rgb24;
+ }
+
+#if defined(HAS_RGB24TOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ RGB24ToYRow = RGB24ToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ RGB24ToYRow = RGB24ToYRow_NEON;
+ }
+ if (width >= 16) {
+ RGB24ToUVRow = RGB24ToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ RGB24ToUVRow = RGB24ToUVRow_NEON;
+ }
+ }
+ }
+#else // HAS_RGB24TOYROW_NEON
+
+#if defined(HAS_RGB24TOARGBROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ RGB24ToARGBRow = RGB24ToARGBRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ RGB24ToARGBRow = RGB24ToARGBRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToYRow = ARGBToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ARGBToYRow = ARGBToYRow_SSSE3;
+ }
+ }
+ }
+#endif // HAS_ARGBTOUVROW_SSSE3
+#endif // HAS_RGB24TOYROW_NEON
+
+ for (y = 0; y < height - 1; y += 2) {
+#if defined(HAS_RGB24TOYROW_NEON)
+ RGB24ToUVRow(src_rgb24, src_stride_rgb24, dst_u, dst_v, width);
+ RGB24ToYRow(src_rgb24, dst_y, width);
+ RGB24ToYRow(src_rgb24 + src_stride_rgb24, dst_y + dst_stride_y, width);
+#else
+ RGB24ToARGBRow(src_rgb24, row, width);
+ RGB24ToARGBRow(src_rgb24 + src_stride_rgb24, row + kRowSize, width);
+ ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+ ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
+#endif
+ src_rgb24 += src_stride_rgb24 * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+#if defined(HAS_RGB24TOYROW_NEON)
+ RGB24ToUVRow(src_rgb24, 0, dst_u, dst_v, width);
+ RGB24ToYRow(src_rgb24, dst_y, width);
+#else
+ RGB24ToARGBRow(src_rgb24, row, width);
+ ARGBToUVRow(row, 0, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+#endif
+ }
+#if !defined(HAS_RGB24TOYROW_NEON)
+ free_aligned_buffer_64(row);
+#endif
+ return 0;
+}
+
+// Convert RAW to I420.
+LIBYUV_API
+int RAWToI420(const uint8* src_raw, int src_stride_raw,
+ 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;
+#if defined(HAS_RAWTOYROW_NEON)
+ void (*RAWToUVRow)(const uint8* src_raw, int src_stride_raw,
+ uint8* dst_u, uint8* dst_v, int width) = RAWToUVRow_C;
+ void (*RAWToYRow)(const uint8* src_raw, uint8* dst_y, int pix) =
+ RAWToYRow_C;
+#else
+ void (*RAWToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int pix) =
+ RAWToARGBRow_C;
+ void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
+ void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
+ ARGBToYRow_C;
+ // Allocate 2 rows of ARGB.
+ const int kRowSize = (width * 4 + 15) & ~15;
+ align_buffer_64(row, kRowSize * 2);
+#endif
+ if (!src_raw || !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_raw = src_raw + (height - 1) * src_stride_raw;
+ src_stride_raw = -src_stride_raw;
+ }
+
+#if defined(HAS_RAWTOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ RAWToYRow = RAWToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ RAWToYRow = RAWToYRow_NEON;
+ }
+ if (width >= 16) {
+ RAWToUVRow = RAWToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ RAWToUVRow = RAWToUVRow_NEON;
+ }
+ }
+ }
+#else // HAS_RAWTOYROW_NEON
+
+#if defined(HAS_RAWTOARGBROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ RAWToARGBRow = RAWToARGBRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ RAWToARGBRow = RAWToARGBRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToYRow = ARGBToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ARGBToYRow = ARGBToYRow_SSSE3;
+ }
+ }
+ }
+#endif // HAS_ARGBTOUVROW_SSSE3
+#endif // HAS_RAWTOYROW_NEON
+
+ for (y = 0; y < height - 1; y += 2) {
+#if defined(HAS_RAWTOYROW_NEON)
+ RAWToUVRow(src_raw, src_stride_raw, dst_u, dst_v, width);
+ RAWToYRow(src_raw, dst_y, width);
+ RAWToYRow(src_raw + src_stride_raw, dst_y + dst_stride_y, width);
+#else
+ RAWToARGBRow(src_raw, row, width);
+ RAWToARGBRow(src_raw + src_stride_raw, row + kRowSize, width);
+ ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+ ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
+#endif
+ src_raw += src_stride_raw * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+#if defined(HAS_RAWTOYROW_NEON)
+ RAWToUVRow(src_raw, 0, dst_u, dst_v, width);
+ RAWToYRow(src_raw, dst_y, width);
+#else
+ RAWToARGBRow(src_raw, row, width);
+ ARGBToUVRow(row, 0, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+#endif
+ }
+#if !defined(HAS_RAWTOYROW_NEON)
+ free_aligned_buffer_64(row);
+#endif
+ return 0;
+}
+
+// Convert RGB565 to I420.
+LIBYUV_API
+int RGB565ToI420(const uint8* src_rgb565, int src_stride_rgb565,
+ 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;
+#if defined(HAS_RGB565TOYROW_NEON)
+ void (*RGB565ToUVRow)(const uint8* src_rgb565, int src_stride_rgb565,
+ uint8* dst_u, uint8* dst_v, int width) = RGB565ToUVRow_C;
+ void (*RGB565ToYRow)(const uint8* src_rgb565, uint8* dst_y, int pix) =
+ RGB565ToYRow_C;
+#else
+ void (*RGB565ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int pix) =
+ RGB565ToARGBRow_C;
+ void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
+ void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
+ ARGBToYRow_C;
+ // Allocate 2 rows of ARGB.
+ const int kRowSize = (width * 4 + 15) & ~15;
+ align_buffer_64(row, kRowSize * 2);
+#endif
+ if (!src_rgb565 || !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_rgb565 = src_rgb565 + (height - 1) * src_stride_rgb565;
+ src_stride_rgb565 = -src_stride_rgb565;
+ }
+
+#if defined(HAS_RGB565TOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ RGB565ToYRow = RGB565ToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ RGB565ToYRow = RGB565ToYRow_NEON;
+ }
+ if (width >= 16) {
+ RGB565ToUVRow = RGB565ToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ RGB565ToUVRow = RGB565ToUVRow_NEON;
+ }
+ }
+ }
+#else // HAS_RGB565TOYROW_NEON
+
+#if defined(HAS_RGB565TOARGBROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 8) {
+ RGB565ToARGBRow = RGB565ToARGBRow_Any_SSE2;
+ if (IS_ALIGNED(width, 8)) {
+ RGB565ToARGBRow = RGB565ToARGBRow_SSE2;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToYRow = ARGBToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ARGBToYRow = ARGBToYRow_SSSE3;
+ }
+ }
+ }
+#endif // HAS_ARGBTOUVROW_SSSE3
+#endif // HAS_RGB565TOYROW_NEON
+
+ for (y = 0; y < height - 1; y += 2) {
+#if defined(HAS_RGB565TOYROW_NEON)
+ RGB565ToUVRow(src_rgb565, src_stride_rgb565, dst_u, dst_v, width);
+ RGB565ToYRow(src_rgb565, dst_y, width);
+ RGB565ToYRow(src_rgb565 + src_stride_rgb565, dst_y + dst_stride_y, width);
+#else
+ RGB565ToARGBRow(src_rgb565, row, width);
+ RGB565ToARGBRow(src_rgb565 + src_stride_rgb565, row + kRowSize, width);
+ ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+ ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
+#endif
+ src_rgb565 += src_stride_rgb565 * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+#if defined(HAS_RGB565TOYROW_NEON)
+ RGB565ToUVRow(src_rgb565, 0, dst_u, dst_v, width);
+ RGB565ToYRow(src_rgb565, dst_y, width);
+#else
+ RGB565ToARGBRow(src_rgb565, row, width);
+ ARGBToUVRow(row, 0, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+#endif
+ }
+#if !defined(HAS_RGB565TOYROW_NEON)
+ free_aligned_buffer_64(row);
+#endif
+ return 0;
+}
+
+// Convert ARGB1555 to I420.
+LIBYUV_API
+int ARGB1555ToI420(const uint8* src_argb1555, int src_stride_argb1555,
+ 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;
+#if defined(HAS_ARGB1555TOYROW_NEON)
+ void (*ARGB1555ToUVRow)(const uint8* src_argb1555, int src_stride_argb1555,
+ uint8* dst_u, uint8* dst_v, int width) = ARGB1555ToUVRow_C;
+ void (*ARGB1555ToYRow)(const uint8* src_argb1555, uint8* dst_y, int pix) =
+ ARGB1555ToYRow_C;
+#else
+ void (*ARGB1555ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int pix) =
+ ARGB1555ToARGBRow_C;
+ void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
+ void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
+ ARGBToYRow_C;
+ // Allocate 2 rows of ARGB.
+ const int kRowSize = (width * 4 + 15) & ~15;
+ align_buffer_64(row, kRowSize * 2);
+#endif
+ if (!src_argb1555 || !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_argb1555 = src_argb1555 + (height - 1) * src_stride_argb1555;
+ src_stride_argb1555 = -src_stride_argb1555;
+ }
+
+#if defined(HAS_ARGB1555TOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ ARGB1555ToYRow = ARGB1555ToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ ARGB1555ToYRow = ARGB1555ToYRow_NEON;
+ }
+ if (width >= 16) {
+ ARGB1555ToUVRow = ARGB1555ToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ ARGB1555ToUVRow = ARGB1555ToUVRow_NEON;
+ }
+ }
+ }
+#else // HAS_ARGB1555TOYROW_NEON
+
+#if defined(HAS_ARGB1555TOARGBROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 8) {
+ ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_SSE2;
+ if (IS_ALIGNED(width, 8)) {
+ ARGB1555ToARGBRow = ARGB1555ToARGBRow_SSE2;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToYRow = ARGBToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ARGBToYRow = ARGBToYRow_SSSE3;
+ }
+ }
+ }
+#endif // HAS_ARGBTOUVROW_SSSE3
+#endif // HAS_ARGB1555TOYROW_NEON
+
+ for (y = 0; y < height - 1; y += 2) {
+#if defined(HAS_ARGB1555TOYROW_NEON)
+ ARGB1555ToUVRow(src_argb1555, src_stride_argb1555, dst_u, dst_v, width);
+ ARGB1555ToYRow(src_argb1555, dst_y, width);
+ ARGB1555ToYRow(src_argb1555 + src_stride_argb1555, dst_y + dst_stride_y,
+ width);
+#else
+ ARGB1555ToARGBRow(src_argb1555, row, width);
+ ARGB1555ToARGBRow(src_argb1555 + src_stride_argb1555, row + kRowSize,
+ width);
+ ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+ ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
+#endif
+ src_argb1555 += src_stride_argb1555 * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+#if defined(HAS_ARGB1555TOYROW_NEON)
+ ARGB1555ToUVRow(src_argb1555, 0, dst_u, dst_v, width);
+ ARGB1555ToYRow(src_argb1555, dst_y, width);
+#else
+ ARGB1555ToARGBRow(src_argb1555, row, width);
+ ARGBToUVRow(row, 0, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+#endif
+ }
+#if !defined(HAS_ARGB1555TOYROW_NEON)
+ free_aligned_buffer_64(row);
+#endif
+ return 0;
+}
+
+// Convert ARGB4444 to I420.
+LIBYUV_API
+int ARGB4444ToI420(const uint8* src_argb4444, int src_stride_argb4444,
+ 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;
+#if defined(HAS_ARGB4444TOYROW_NEON)
+ void (*ARGB4444ToUVRow)(const uint8* src_argb4444, int src_stride_argb4444,
+ uint8* dst_u, uint8* dst_v, int width) = ARGB4444ToUVRow_C;
+ void (*ARGB4444ToYRow)(const uint8* src_argb4444, uint8* dst_y, int pix) =
+ ARGB4444ToYRow_C;
+#else
+ void (*ARGB4444ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int pix) =
+ ARGB4444ToARGBRow_C;
+ void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
+ void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
+ ARGBToYRow_C;
+ // Allocate 2 rows of ARGB.
+ const int kRowSize = (width * 4 + 15) & ~15;
+ align_buffer_64(row, kRowSize * 2);
+#endif
+ if (!src_argb4444 || !dst_y || !dst_u || !dst_v ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ src_argb4444 = src_argb4444 + (height - 1) * src_stride_argb4444;
+ src_stride_argb4444 = -src_stride_argb4444;
+ }
+
+#if defined(HAS_ARGB4444TOYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ ARGB4444ToYRow = ARGB4444ToYRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ ARGB4444ToYRow = ARGB4444ToYRow_NEON;
+ }
+ if (width >= 16) {
+ ARGB4444ToUVRow = ARGB4444ToUVRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ ARGB4444ToUVRow = ARGB4444ToUVRow_NEON;
+ }
+ }
+ }
+#else // HAS_ARGB4444TOYROW_NEON
+
+#if defined(HAS_ARGB4444TOARGBROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 8) {
+ ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_SSE2;
+ if (IS_ALIGNED(width, 8)) {
+ ARGB4444ToARGBRow = ARGB4444ToARGBRow_SSE2;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToUVRow = ARGBToUVRow_SSSE3;
+ }
+ }
+#endif
+#if defined(HAS_ARGBTOUVROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
+ ARGBToYRow = ARGBToYRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 16)) {
+ ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
+ ARGBToYRow = ARGBToYRow_SSSE3;
+ }
+ }
+ }
+#endif // HAS_ARGBTOUVROW_SSSE3
+#endif // HAS_ARGB4444TOYROW_NEON
+
+ for (y = 0; y < height - 1; y += 2) {
+#if defined(HAS_ARGB4444TOYROW_NEON)
+ ARGB4444ToUVRow(src_argb4444, src_stride_argb4444, dst_u, dst_v, width);
+ ARGB4444ToYRow(src_argb4444, dst_y, width);
+ ARGB4444ToYRow(src_argb4444 + src_stride_argb4444, dst_y + dst_stride_y,
+ width);
+#else
+ ARGB4444ToARGBRow(src_argb4444, row, width);
+ ARGB4444ToARGBRow(src_argb4444 + src_stride_argb4444, row + kRowSize,
+ width);
+ ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+ ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
+#endif
+ src_argb4444 += src_stride_argb4444 * 2;
+ dst_y += dst_stride_y * 2;
+ dst_u += dst_stride_u;
+ dst_v += dst_stride_v;
+ }
+ if (height & 1) {
+#if defined(HAS_ARGB4444TOYROW_NEON)
+ ARGB4444ToUVRow(src_argb4444, 0, dst_u, dst_v, width);
+ ARGB4444ToYRow(src_argb4444, dst_y, width);
+#else
+ ARGB4444ToARGBRow(src_argb4444, row, width);
+ ARGBToUVRow(row, 0, dst_u, dst_v, width);
+ ARGBToYRow(row, dst_y, width);
+#endif
+ }
+#if !defined(HAS_ARGB4444TOYROW_NEON)
+ free_aligned_buffer_64(row);
+#endif
+ return 0;
+}
+
+#ifdef __cplusplus
+} // extern "C"
+} // namespace libyuv
+#endif
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