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Unified Diff: source/libvpx/third_party/libyuv/source/convert_from.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_from.cc
===================================================================
--- source/libvpx/third_party/libyuv/source/convert_from.cc (revision 0)
+++ source/libvpx/third_party/libyuv/source/convert_from.cc (revision 0)
@@ -0,0 +1,1210 @@
+/*
+ * Copyright 2012 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_from.h"
+
+#include "libyuv/basic_types.h"
+#include "libyuv/convert.h" // For I420Copy
+#include "libyuv/cpu_id.h"
+#include "libyuv/format_conversion.h"
+#include "libyuv/planar_functions.h"
+#include "libyuv/rotate.h"
+#include "libyuv/scale.h" // For ScalePlane()
+#include "libyuv/video_common.h"
+#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;
+}
+
+// I420 To any I4xx YUV format with mirroring.
+static int I420ToI4xx(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 dst_uv_width, int dst_uv_height) {
+ const int dst_y_width = Abs(src_y_width);
+ const int dst_y_height = Abs(src_y_height);
+ const int src_uv_width = SUBSAMPLE(src_y_width, 1, 1);
+ const int src_uv_height = SUBSAMPLE(src_y_height, 1, 1);
+ if (src_y_width == 0 || src_y_height == 0 ||
+ dst_uv_width <= 0 || dst_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;
+}
+
+// 420 chroma is 1/2 width, 1/2 height
+// 422 chroma is 1/2 width, 1x height
+LIBYUV_API
+int I420ToI422(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 dst_uv_width = (Abs(width) + 1) >> 1;
+ const int dst_uv_height = Abs(height);
+ return I420ToI4xx(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,
+ dst_uv_width, dst_uv_height);
+}
+
+// 420 chroma is 1/2 width, 1/2 height
+// 444 chroma is 1x width, 1x height
+LIBYUV_API
+int I420ToI444(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 dst_uv_width = Abs(width);
+ const int dst_uv_height = Abs(height);
+ return I420ToI4xx(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,
+ dst_uv_width, dst_uv_height);
+}
+
+// 420 chroma is 1/2 width, 1/2 height
+// 411 chroma is 1/4 width, 1x height
+LIBYUV_API
+int I420ToI411(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 dst_uv_width = (Abs(width) + 3) >> 2;
+ const int dst_uv_height = Abs(height);
+ return I420ToI4xx(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,
+ dst_uv_width, dst_uv_height);
+}
+
+// Copy to I400. Source can be I420,422,444,400,NV12,NV21
+LIBYUV_API
+int I400Copy(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;
+}
+
+LIBYUV_API
+int I422ToYUY2(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_yuy2, int dst_stride_yuy2,
+ int width, int height) {
+ int y;
+ void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
+ const uint8* src_v, uint8* dst_yuy2, int width) =
+ I422ToYUY2Row_C;
+ if (!src_y || !src_u || !src_v || !dst_yuy2 ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
+ dst_stride_yuy2 = -dst_stride_yuy2;
+ }
+ // Coalesce rows.
+ if (src_stride_y == width &&
+ src_stride_u * 2 == width &&
+ src_stride_v * 2 == width &&
+ dst_stride_yuy2 == width * 2) {
+ width *= height;
+ height = 1;
+ src_stride_y = src_stride_u = src_stride_v = dst_stride_yuy2 = 0;
+ }
+#if defined(HAS_I422TOYUY2ROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
+ I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToYUY2Row = I422ToYUY2Row_SSE2;
+ }
+ }
+#elif defined(HAS_I422TOYUY2ROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
+ I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToYUY2Row = I422ToYUY2Row_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
+ src_y += src_stride_y;
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ dst_yuy2 += dst_stride_yuy2;
+ }
+ return 0;
+}
+
+LIBYUV_API
+int I420ToYUY2(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_yuy2, int dst_stride_yuy2,
+ int width, int height) {
+ int y;
+ void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
+ const uint8* src_v, uint8* dst_yuy2, int width) =
+ I422ToYUY2Row_C;
+ if (!src_y || !src_u || !src_v || !dst_yuy2 ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
+ dst_stride_yuy2 = -dst_stride_yuy2;
+ }
+#if defined(HAS_I422TOYUY2ROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
+ I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToYUY2Row = I422ToYUY2Row_SSE2;
+ }
+ }
+#elif defined(HAS_I422TOYUY2ROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
+ I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToYUY2Row = I422ToYUY2Row_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
+ I422ToYUY2Row(src_y + src_stride_y, src_u, src_v,
+ dst_yuy2 + dst_stride_yuy2, width);
+ src_y += src_stride_y * 2;
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ dst_yuy2 += dst_stride_yuy2 * 2;
+ }
+ if (height & 1) {
+ I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
+ }
+ return 0;
+}
+
+LIBYUV_API
+int I422ToUYVY(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_uyvy, int dst_stride_uyvy,
+ int width, int height) {
+ int y;
+ void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
+ const uint8* src_v, uint8* dst_uyvy, int width) =
+ I422ToUYVYRow_C;
+ if (!src_y || !src_u || !src_v || !dst_uyvy ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
+ dst_stride_uyvy = -dst_stride_uyvy;
+ }
+ // Coalesce rows.
+ if (src_stride_y == width &&
+ src_stride_u * 2 == width &&
+ src_stride_v * 2 == width &&
+ dst_stride_uyvy == width * 2) {
+ width *= height;
+ height = 1;
+ src_stride_y = src_stride_u = src_stride_v = dst_stride_uyvy = 0;
+ }
+#if defined(HAS_I422TOUYVYROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
+ I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToUYVYRow = I422ToUYVYRow_SSE2;
+ }
+ }
+#elif defined(HAS_I422TOUYVYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
+ I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToUYVYRow = I422ToUYVYRow_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
+ src_y += src_stride_y;
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ dst_uyvy += dst_stride_uyvy;
+ }
+ return 0;
+}
+
+LIBYUV_API
+int I420ToUYVY(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_uyvy, int dst_stride_uyvy,
+ int width, int height) {
+ int y;
+ void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
+ const uint8* src_v, uint8* dst_uyvy, int width) =
+ I422ToUYVYRow_C;
+ if (!src_y || !src_u || !src_v || !dst_uyvy ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
+ dst_stride_uyvy = -dst_stride_uyvy;
+ }
+#if defined(HAS_I422TOUYVYROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
+ I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToUYVYRow = I422ToUYVYRow_SSE2;
+ }
+ }
+#elif defined(HAS_I422TOUYVYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
+ I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToUYVYRow = I422ToUYVYRow_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height - 1; y += 2) {
+ I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
+ I422ToUYVYRow(src_y + src_stride_y, src_u, src_v,
+ dst_uyvy + dst_stride_uyvy, width);
+ src_y += src_stride_y * 2;
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ dst_uyvy += dst_stride_uyvy * 2;
+ }
+ if (height & 1) {
+ I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
+ }
+ return 0;
+}
+
+LIBYUV_API
+int I420ToNV12(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_uv, int dst_stride_uv,
+ int width, int height) {
+ int y;
+ void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
+ int width) = MergeUVRow_C;
+ // Coalesce rows.
+ int halfwidth = (width + 1) >> 1;
+ int halfheight = (height + 1) >> 1;
+ if (!src_y || !src_u || !src_v || !dst_y || !dst_uv ||
+ 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_uv = dst_uv + (halfheight - 1) * dst_stride_uv;
+ dst_stride_y = -dst_stride_y;
+ dst_stride_uv = -dst_stride_uv;
+ }
+ if (src_stride_y == width &&
+ dst_stride_y == width) {
+ width *= height;
+ height = 1;
+ src_stride_y = dst_stride_y = 0;
+ }
+ // Coalesce rows.
+ if (src_stride_u == halfwidth &&
+ src_stride_v == halfwidth &&
+ dst_stride_uv == halfwidth * 2) {
+ halfwidth *= halfheight;
+ halfheight = 1;
+ src_stride_u = src_stride_v = dst_stride_uv = 0;
+ }
+#if defined(HAS_MERGEUVROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
+ MergeUVRow_ = MergeUVRow_Any_SSE2;
+ if (IS_ALIGNED(halfwidth, 16)) {
+ MergeUVRow_ = MergeUVRow_Unaligned_SSE2;
+ if (IS_ALIGNED(src_u, 16) && IS_ALIGNED(src_stride_u, 16) &&
+ IS_ALIGNED(src_v, 16) && IS_ALIGNED(src_stride_v, 16) &&
+ IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
+ MergeUVRow_ = MergeUVRow_SSE2;
+ }
+ }
+ }
+#endif
+#if defined(HAS_MERGEUVROW_AVX2)
+ if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
+ MergeUVRow_ = MergeUVRow_Any_AVX2;
+ if (IS_ALIGNED(halfwidth, 32)) {
+ MergeUVRow_ = MergeUVRow_AVX2;
+ }
+ }
+#endif
+#if defined(HAS_MERGEUVROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
+ MergeUVRow_ = MergeUVRow_Any_NEON;
+ if (IS_ALIGNED(halfwidth, 16)) {
+ MergeUVRow_ = MergeUVRow_NEON;
+ }
+ }
+#endif
+
+ CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
+ for (y = 0; y < halfheight; ++y) {
+ // Merge a row of U and V into a row of UV.
+ MergeUVRow_(src_u, src_v, dst_uv, halfwidth);
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ dst_uv += dst_stride_uv;
+ }
+ return 0;
+}
+
+LIBYUV_API
+int I420ToNV21(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_vu, int dst_stride_vu,
+ int width, int height) {
+ return I420ToNV12(src_y, src_stride_y,
+ src_v, src_stride_v,
+ src_u, src_stride_u,
+ dst_y, src_stride_y,
+ dst_vu, dst_stride_vu,
+ width, height);
+}
+
+// Convert I420 to ARGB.
+LIBYUV_API
+int I420ToARGB(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_argb, int dst_stride_argb,
+ int width, int height) {
+ int y;
+ void (*I422ToARGBRow)(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) = I422ToARGBRow_C;
+ if (!src_y || !src_u || !src_v || !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;
+ }
+#if defined(HAS_I422TOARGBROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
+ I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToARGBRow = I422ToARGBRow_Unaligned_SSSE3;
+ if (IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
+ I422ToARGBRow = I422ToARGBRow_SSSE3;
+ }
+ }
+ }
+#endif
+#if defined(HAS_I422TOARGBROW_AVX2)
+ if (TestCpuFlag(kCpuHasAVX2) && width >= 16) {
+ I422ToARGBRow = I422ToARGBRow_Any_AVX2;
+ if (IS_ALIGNED(width, 16)) {
+ I422ToARGBRow = I422ToARGBRow_AVX2;
+ }
+ }
+#endif
+#if defined(HAS_I422TOARGBROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToARGBRow = I422ToARGBRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToARGBRow = I422ToARGBRow_NEON;
+ }
+ }
+#endif
+#if defined(HAS_I422TOARGBROW_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_argb, 4) && IS_ALIGNED(dst_stride_argb, 4)) {
+ I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2;
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToARGBRow(src_y, src_u, src_v, dst_argb, width);
+ dst_argb += dst_stride_argb;
+ src_y += src_stride_y;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to BGRA.
+LIBYUV_API
+int I420ToBGRA(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;
+ }
+#if 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_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToBGRARow = I422ToBGRARow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToBGRARow = I422ToBGRARow_NEON;
+ }
+ }
+#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;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to ABGR.
+LIBYUV_API
+int I420ToABGR(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;
+ }
+#if 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;
+ }
+ }
+ }
+#elif defined(HAS_I422TOABGRROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToABGRRow = I422ToABGRRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToABGRRow = I422ToABGRRow_NEON;
+ }
+ }
+#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;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to RGBA.
+LIBYUV_API
+int I420ToRGBA(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;
+ }
+#if 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;
+ }
+ }
+ }
+#elif defined(HAS_I422TORGBAROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToRGBARow = I422ToRGBARow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRGBARow = I422ToRGBARow_NEON;
+ }
+ }
+#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;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to RGB24.
+LIBYUV_API
+int I420ToRGB24(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_rgb24, int dst_stride_rgb24,
+ int width, int height) {
+ int y;
+ void (*I422ToRGB24Row)(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) = I422ToRGB24Row_C;
+ if (!src_y || !src_u || !src_v || !dst_rgb24 ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24;
+ dst_stride_rgb24 = -dst_stride_rgb24;
+ }
+#if defined(HAS_I422TORGB24ROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
+ I422ToRGB24Row = I422ToRGB24Row_Any_SSSE3;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRGB24Row = I422ToRGB24Row_SSSE3;
+ }
+ }
+#elif defined(HAS_I422TORGB24ROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToRGB24Row = I422ToRGB24Row_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRGB24Row = I422ToRGB24Row_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, width);
+ dst_rgb24 += dst_stride_rgb24;
+ src_y += src_stride_y;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to RAW.
+LIBYUV_API
+int I420ToRAW(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_raw, int dst_stride_raw,
+ int width, int height) {
+ int y;
+ void (*I422ToRAWRow)(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) = I422ToRAWRow_C;
+ if (!src_y || !src_u || !src_v || !dst_raw ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_raw = dst_raw + (height - 1) * dst_stride_raw;
+ dst_stride_raw = -dst_stride_raw;
+ }
+#if defined(HAS_I422TORAWROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
+ I422ToRAWRow = I422ToRAWRow_Any_SSSE3;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRAWRow = I422ToRAWRow_SSSE3;
+ }
+ }
+#elif defined(HAS_I422TORAWROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToRAWRow = I422ToRAWRow_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRAWRow = I422ToRAWRow_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToRAWRow(src_y, src_u, src_v, dst_raw, width);
+ dst_raw += dst_stride_raw;
+ src_y += src_stride_y;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to ARGB1555.
+LIBYUV_API
+int I420ToARGB1555(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_argb1555, int dst_stride_argb1555,
+ int width, int height) {
+ int y;
+ void (*I422ToARGB1555Row)(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) = I422ToARGB1555Row_C;
+ if (!src_y || !src_u || !src_v || !dst_argb1555 ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_argb1555 = dst_argb1555 + (height - 1) * dst_stride_argb1555;
+ dst_stride_argb1555 = -dst_stride_argb1555;
+ }
+#if defined(HAS_I422TOARGB1555ROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
+ I422ToARGB1555Row = I422ToARGB1555Row_Any_SSSE3;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToARGB1555Row = I422ToARGB1555Row_SSSE3;
+ }
+ }
+#elif defined(HAS_I422TOARGB1555ROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToARGB1555Row = I422ToARGB1555Row_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToARGB1555Row = I422ToARGB1555Row_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToARGB1555Row(src_y, src_u, src_v, dst_argb1555, width);
+ dst_argb1555 += dst_stride_argb1555;
+ src_y += src_stride_y;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+
+// Convert I420 to ARGB4444.
+LIBYUV_API
+int I420ToARGB4444(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_argb4444, int dst_stride_argb4444,
+ int width, int height) {
+ int y;
+ void (*I422ToARGB4444Row)(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) = I422ToARGB4444Row_C;
+ if (!src_y || !src_u || !src_v || !dst_argb4444 ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ // Negative height means invert the image.
+ if (height < 0) {
+ height = -height;
+ dst_argb4444 = dst_argb4444 + (height - 1) * dst_stride_argb4444;
+ dst_stride_argb4444 = -dst_stride_argb4444;
+ }
+#if defined(HAS_I422TOARGB4444ROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
+ I422ToARGB4444Row = I422ToARGB4444Row_Any_SSSE3;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToARGB4444Row = I422ToARGB4444Row_SSSE3;
+ }
+ }
+#elif defined(HAS_I422TOARGB4444ROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToARGB4444Row = I422ToARGB4444Row_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToARGB4444Row = I422ToARGB4444Row_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToARGB4444Row(src_y, src_u, src_v, dst_argb4444, width);
+ dst_argb4444 += dst_stride_argb4444;
+ src_y += src_stride_y;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to RGB565.
+LIBYUV_API
+int I420ToRGB565(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_rgb565, int dst_stride_rgb565,
+ int width, int height) {
+ int y;
+ void (*I422ToRGB565Row)(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) = I422ToRGB565Row_C;
+ if (!src_y || !src_u || !src_v || !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_I422TORGB565ROW_SSSE3)
+ if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
+ I422ToRGB565Row = I422ToRGB565Row_Any_SSSE3;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRGB565Row = I422ToRGB565Row_SSSE3;
+ }
+ }
+#elif defined(HAS_I422TORGB565ROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
+ I422ToRGB565Row = I422ToRGB565Row_Any_NEON;
+ if (IS_ALIGNED(width, 8)) {
+ I422ToRGB565Row = I422ToRGB565Row_NEON;
+ }
+ }
+#endif
+
+ for (y = 0; y < height; ++y) {
+ I422ToRGB565Row(src_y, src_u, src_v, dst_rgb565, width);
+ dst_rgb565 += dst_stride_rgb565;
+ src_y += src_stride_y;
+ if (y & 1) {
+ src_u += src_stride_u;
+ src_v += src_stride_v;
+ }
+ }
+ return 0;
+}
+
+// Convert I420 to specified format
+LIBYUV_API
+int ConvertFromI420(const uint8* y, int y_stride,
+ const uint8* u, int u_stride,
+ const uint8* v, int v_stride,
+ uint8* dst_sample, int dst_sample_stride,
+ int width, int height,
+ uint32 fourcc) {
+ uint32 format = CanonicalFourCC(fourcc);
+ int r = 0;
+ if (!y || !u|| !v || !dst_sample ||
+ width <= 0 || height == 0) {
+ return -1;
+ }
+ switch (format) {
+ // Single plane formats
+ case FOURCC_YUY2:
+ r = I420ToYUY2(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 2,
+ width, height);
+ break;
+ case FOURCC_UYVY:
+ r = I420ToUYVY(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 2,
+ width, height);
+ break;
+ case FOURCC_RGBP:
+ r = I420ToRGB565(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 2,
+ width, height);
+ break;
+ case FOURCC_RGBO:
+ r = I420ToARGB1555(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 2,
+ width, height);
+ break;
+ case FOURCC_R444:
+ r = I420ToARGB4444(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 2,
+ width, height);
+ break;
+ case FOURCC_24BG:
+ r = I420ToRGB24(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 3,
+ width, height);
+ break;
+ case FOURCC_RAW:
+ r = I420ToRAW(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 3,
+ width, height);
+ break;
+ case FOURCC_ARGB:
+ r = I420ToARGB(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 4,
+ width, height);
+ break;
+ case FOURCC_BGRA:
+ r = I420ToBGRA(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 4,
+ width, height);
+ break;
+ case FOURCC_ABGR:
+ r = I420ToABGR(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 4,
+ width, height);
+ break;
+ case FOURCC_RGBA:
+ r = I420ToRGBA(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width * 4,
+ width, height);
+ break;
+ case FOURCC_BGGR:
+ r = I420ToBayerBGGR(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ case FOURCC_GBRG:
+ r = I420ToBayerGBRG(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ case FOURCC_GRBG:
+ r = I420ToBayerGRBG(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ case FOURCC_RGGB:
+ r = I420ToBayerRGGB(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ case FOURCC_I400:
+ r = I400Copy(y, y_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ case FOURCC_NV12: {
+ uint8* dst_uv = dst_sample + width * height;
+ r = I420ToNV12(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ dst_uv,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ }
+ case FOURCC_NV21: {
+ uint8* dst_vu = dst_sample + width * height;
+ r = I420ToNV21(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample,
+ dst_sample_stride ? dst_sample_stride : width,
+ dst_vu,
+ dst_sample_stride ? dst_sample_stride : width,
+ width, height);
+ break;
+ }
+ // TODO(fbarchard): Add M420 and Q420.
+ // Triplanar formats
+ // TODO(fbarchard): halfstride instead of halfwidth
+ case FOURCC_I420:
+ case FOURCC_YU12:
+ case FOURCC_YV12: {
+ int halfwidth = (width + 1) / 2;
+ int halfheight = (height + 1) / 2;
+ uint8* dst_u;
+ uint8* dst_v;
+ if (format == FOURCC_YV12) {
+ dst_v = dst_sample + width * height;
+ dst_u = dst_v + halfwidth * halfheight;
+ } else {
+ dst_u = dst_sample + width * height;
+ dst_v = dst_u + halfwidth * halfheight;
+ }
+ r = I420Copy(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample, width,
+ dst_u, halfwidth,
+ dst_v, halfwidth,
+ width, height);
+ break;
+ }
+ case FOURCC_I422:
+ case FOURCC_YV16: {
+ int halfwidth = (width + 1) / 2;
+ uint8* dst_u;
+ uint8* dst_v;
+ if (format == FOURCC_YV16) {
+ dst_v = dst_sample + width * height;
+ dst_u = dst_v + halfwidth * height;
+ } else {
+ dst_u = dst_sample + width * height;
+ dst_v = dst_u + halfwidth * height;
+ }
+ r = I420ToI422(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample, width,
+ dst_u, halfwidth,
+ dst_v, halfwidth,
+ width, height);
+ break;
+ }
+ case FOURCC_I444:
+ case FOURCC_YV24: {
+ uint8* dst_u;
+ uint8* dst_v;
+ if (format == FOURCC_YV24) {
+ dst_v = dst_sample + width * height;
+ dst_u = dst_v + width * height;
+ } else {
+ dst_u = dst_sample + width * height;
+ dst_v = dst_u + width * height;
+ }
+ r = I420ToI444(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample, width,
+ dst_u, width,
+ dst_v, width,
+ width, height);
+ break;
+ }
+ case FOURCC_I411: {
+ int quarterwidth = (width + 3) / 4;
+ uint8* dst_u = dst_sample + width * height;
+ uint8* dst_v = dst_u + quarterwidth * height;
+ r = I420ToI411(y, y_stride,
+ u, u_stride,
+ v, v_stride,
+ dst_sample, width,
+ dst_u, quarterwidth,
+ dst_v, quarterwidth,
+ width, height);
+ break;
+ }
+
+ // Formats not supported - MJPG, biplanar, some rgb formats.
+ default:
+ return -1; // unknown fourcc - return failure code.
+ }
+ return r;
+}
+
+#ifdef __cplusplus
+} // extern "C"
+} // namespace libyuv
+#endif
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