mirror of
https://chromium.googlesource.com/libyuv/libyuv
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fe9f4ad808
BUG=none TEST=none Review URL: https://webrtc-codereview.appspot.com/436005 git-svn-id: http://libyuv.googlecode.com/svn/trunk@205 16f28f9a-4ce2-e073-06de-1de4eb20be90
887 lines
25 KiB
C++
887 lines
25 KiB
C++
/*
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* Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "libyuv/planar_functions.h"
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#include <string.h> // for memset()
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#include "libyuv/cpu_id.h"
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#include "row.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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// Copy a plane of data
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void CopyPlane(const uint8* src_y, int src_stride_y,
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uint8* dst_y, int dst_stride_y,
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int width, int height) {
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void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
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#if defined(HAS_COPYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 64)) {
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CopyRow = CopyRow_NEON;
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}
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#elif defined(HAS_COPYROW_X86)
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if (IS_ALIGNED(width, 4)) {
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CopyRow = CopyRow_X86;
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#if defined(HAS_COPYROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) &&
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IS_ALIGNED(width, 32) &&
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IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) &&
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IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
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CopyRow = CopyRow_SSE2;
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}
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#endif
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}
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#endif
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// Copy plane
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for (int y = 0; y < height; ++y) {
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CopyRow(src_y, dst_y, width);
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src_y += src_stride_y;
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dst_y += dst_stride_y;
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}
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}
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// Mirror a plane of data
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void MirrorPlane(const uint8* src_y, int src_stride_y,
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uint8* dst_y, int dst_stride_y,
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int width, int height) {
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void (*MirrorRow)(const uint8* src, uint8* dst, int width);
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#if defined(HAS_MIRRORROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16)) {
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MirrorRow = MirrorRow_NEON;
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} else
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#endif
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#if defined(HAS_MIRRORROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 16) &&
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IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16)) {
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MirrorRow = MirrorRow_SSSE3;
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} else
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#endif
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#if defined(HAS_MIRRORROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16)) {
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MirrorRow = MirrorRow_SSE2;
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} else
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#endif
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{
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MirrorRow = MirrorRow_C;
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}
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// Mirror plane
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for (int y = 0; y < height; ++y) {
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MirrorRow(src_y, dst_y, width);
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src_y += src_stride_y;
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dst_y += dst_stride_y;
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}
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}
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// Mirror I420 with optional flipping
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int I420Mirror(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height) {
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if (!src_y || !src_u || !src_v ||
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!dst_y || !dst_u || !dst_v ||
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width <= 0 || height == 0) {
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return -1;
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}
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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int halfheight = (height + 1) >> 1;
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src_y = src_y + (height - 1) * src_stride_y;
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src_u = src_u + (halfheight - 1) * src_stride_u;
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src_v = src_v + (halfheight - 1) * src_stride_v;
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src_stride_y = -src_stride_y;
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src_stride_u = -src_stride_u;
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src_stride_v = -src_stride_v;
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}
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int halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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if (dst_y) {
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MirrorPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
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}
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MirrorPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, halfheight);
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MirrorPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, halfheight);
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return 0;
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}
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// Copy ARGB with optional flipping
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int ARGBCopy(const uint8* src_argb, int src_stride_argb,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (!src_argb ||
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!dst_argb ||
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width <= 0 || height == 0) {
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return -1;
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}
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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src_argb = src_argb + (height - 1) * src_stride_argb;
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src_stride_argb = -src_stride_argb;
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}
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CopyPlane(src_argb, src_stride_argb, dst_argb, dst_stride_argb,
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width * 4, height);
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return 0;
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}
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// Alpha Blend ARGB
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int ARGBBlend(const uint8* src_argb, int src_stride_argb,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (!src_argb || !dst_argb || width <= 0 || height == 0) {
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return -1;
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}
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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src_argb = src_argb + (height - 1) * src_stride_argb;
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src_stride_argb = -src_stride_argb;
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}
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void (*ARGBBlendRow)(const uint8* src_argb, uint8* dst_argb, int width) =
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ARGBBlendRow_C;
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#if defined(HAS_ARGBBLENDROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2)) {
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ARGBBlendRow = ARGBBlendRow_SSE2;
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}
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#endif
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for (int y = 0; y < height; ++y) {
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ARGBBlendRow(src_argb, dst_argb, width);
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src_argb += src_stride_argb;
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dst_argb += dst_stride_argb;
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}
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return 0;
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}
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// Convert I422 to ARGB.
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int I422ToARGB(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_argb = dst_argb + (height - 1) * dst_stride_argb;
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dst_stride_argb = -dst_stride_argb;
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}
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void (*I420ToARGBRow)(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width);
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#if defined(HAS_I420TOARGBROW_NEON)
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if (TestCpuFlag(kCpuHasNEON)) {
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I420ToARGBRow = I420ToARGBRow_Any_NEON;
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if (IS_ALIGNED(width, 16)) {
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I420ToARGBRow = I420ToARGBRow_NEON;
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}
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} else
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#elif defined(HAS_I420TOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3)) {
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I420ToARGBRow = I420ToARGBRow_Any_SSSE3;
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if (IS_ALIGNED(width, 8) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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I420ToARGBRow = I420ToARGBRow_SSSE3;
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}
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} else
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#endif
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{
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I420ToARGBRow = I420ToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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I420ToARGBRow(src_y, src_u, src_v, dst_argb, width);
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dst_argb += dst_stride_argb;
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src_y += src_stride_y;
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src_u += src_stride_u;
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src_v += src_stride_v;
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}
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return 0;
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}
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// Convert I444 to ARGB.
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int I444ToARGB(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_argb = dst_argb + (height - 1) * dst_stride_argb;
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dst_stride_argb = -dst_stride_argb;
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}
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void (*I444ToARGBRow)(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width);
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#if defined(HAS_I444TOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) &&
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IS_ALIGNED(width, 8) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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I444ToARGBRow = I444ToARGBRow_SSSE3;
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} else
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#endif
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{
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I444ToARGBRow = I444ToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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I444ToARGBRow(src_y, src_u, src_v, dst_argb, width);
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dst_argb += dst_stride_argb;
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src_y += src_stride_y;
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src_u += src_stride_u;
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src_v += src_stride_v;
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}
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return 0;
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}
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// Convert I400 to ARGB.
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int I400ToARGB_Reference(const uint8* src_y, int src_stride_y,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_argb = dst_argb + (height - 1) * dst_stride_argb;
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dst_stride_argb = -dst_stride_argb;
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}
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void (*YToARGBRow)(const uint8* y_buf,
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uint8* rgb_buf,
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int width);
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#if defined(HAS_YTOARGBROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) &&
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IS_ALIGNED(width, 8) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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YToARGBRow = YToARGBRow_SSE2;
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} else
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#endif
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{
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YToARGBRow = YToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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YToARGBRow(src_y, dst_argb, width);
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dst_argb += dst_stride_argb;
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src_y += src_stride_y;
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}
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return 0;
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}
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// Convert I400 to ARGB.
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int I400ToARGB(const uint8* src_y, int src_stride_y,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (height < 0) {
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height = -height;
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src_y = src_y + (height - 1) * src_stride_y;
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src_stride_y = -src_stride_y;
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}
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void (*I400ToARGBRow)(const uint8* src_y, uint8* dst_argb, int pix);
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#if defined(HAS_I400TOARGBROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) &&
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IS_ALIGNED(width, 8) &&
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IS_ALIGNED(src_y, 8) && IS_ALIGNED(src_stride_y, 8) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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I400ToARGBRow = I400ToARGBRow_SSE2;
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} else
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#endif
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{
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I400ToARGBRow = I400ToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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I400ToARGBRow(src_y, dst_argb, width);
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src_y += src_stride_y;
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dst_argb += dst_stride_argb;
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}
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return 0;
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}
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int ABGRToARGB(const uint8* src_abgr, int src_stride_abgr,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (height < 0) {
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height = -height;
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src_abgr = src_abgr + (height - 1) * src_stride_abgr;
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src_stride_abgr = -src_stride_abgr;
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}
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void (*ABGRToARGBRow)(const uint8* src_abgr, uint8* dst_argb, int pix);
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#if defined(HAS_ABGRTOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) &&
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IS_ALIGNED(width, 4) &&
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IS_ALIGNED(src_abgr, 16) && IS_ALIGNED(src_stride_abgr, 16) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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ABGRToARGBRow = ABGRToARGBRow_SSSE3;
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} else
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#endif
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{
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ABGRToARGBRow = ABGRToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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ABGRToARGBRow(src_abgr, dst_argb, width);
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src_abgr += src_stride_abgr;
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dst_argb += dst_stride_argb;
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}
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return 0;
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}
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// Convert BGRA to ARGB.
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int BGRAToARGB(const uint8* src_bgra, int src_stride_bgra,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (height < 0) {
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height = -height;
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src_bgra = src_bgra + (height - 1) * src_stride_bgra;
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src_stride_bgra = -src_stride_bgra;
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}
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void (*BGRAToARGBRow)(const uint8* src_bgra, uint8* dst_argb, int pix);
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#if defined(HAS_BGRATOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) &&
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IS_ALIGNED(width, 4) &&
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IS_ALIGNED(src_bgra, 16) && IS_ALIGNED(src_stride_bgra, 16) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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BGRAToARGBRow = BGRAToARGBRow_SSSE3;
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} else
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#endif
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{
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BGRAToARGBRow = BGRAToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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BGRAToARGBRow(src_bgra, dst_argb, width);
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src_bgra += src_stride_bgra;
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dst_argb += dst_stride_argb;
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}
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return 0;
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}
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// Convert ARGB to I400.
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int ARGBToI400(const uint8* src_argb, int src_stride_argb,
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uint8* dst_y, int dst_stride_y,
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int width, int height) {
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if (height < 0) {
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height = -height;
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src_argb = src_argb + (height - 1) * src_stride_argb;
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src_stride_argb = -src_stride_argb;
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}
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void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix);
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#if defined(HAS_ARGBTOYROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) &&
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IS_ALIGNED(width, 4) &&
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IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
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IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
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ARGBToYRow = ARGBToYRow_SSSE3;
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} else
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#endif
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{
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ARGBToYRow = ARGBToYRow_C;
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}
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for (int y = 0; y < height; ++y) {
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ARGBToYRow(src_argb, dst_y, width);
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src_argb += src_stride_argb;
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dst_y += dst_stride_y;
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}
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return 0;
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}
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// Convert RAW to ARGB.
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int RAWToARGB(const uint8* src_raw, int src_stride_raw,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (height < 0) {
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height = -height;
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src_raw = src_raw + (height - 1) * src_stride_raw;
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src_stride_raw = -src_stride_raw;
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}
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void (*RAWToARGBRow)(const uint8* src_raw, uint8* dst_argb, int pix);
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#if defined(HAS_RAWTOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) &&
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IS_ALIGNED(width, 16) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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RAWToARGBRow = RAWToARGBRow_SSSE3;
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} else
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#endif
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{
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RAWToARGBRow = RAWToARGBRow_C;
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}
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for (int y = 0; y < height; ++y) {
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RAWToARGBRow(src_raw, dst_argb, width);
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src_raw += src_stride_raw;
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dst_argb += dst_stride_argb;
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}
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return 0;
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}
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// Convert RGB24 to ARGB.
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int RGB24ToARGB(const uint8* src_rgb24, int src_stride_rgb24,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height) {
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if (height < 0) {
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height = -height;
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src_rgb24 = src_rgb24 + (height - 1) * src_stride_rgb24;
|
|
src_stride_rgb24 = -src_stride_rgb24;
|
|
}
|
|
void (*RGB24ToARGBRow)(const uint8* src_rgb24, uint8* dst_argb, int pix);
|
|
#if defined(HAS_RGB24TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
RGB24ToARGBRow = RGB24ToARGBRow_SSSE3;
|
|
} else
|
|
#endif
|
|
{
|
|
RGB24ToARGBRow = RGB24ToARGBRow_C;
|
|
}
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
RGB24ToARGBRow(src_rgb24, dst_argb, width);
|
|
src_rgb24 += src_stride_rgb24;
|
|
dst_argb += dst_stride_argb;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB To RGB24.
|
|
int ARGBToRGB24(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_rgb24, int dst_stride_rgb24,
|
|
int width, int height) {
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_argb = src_argb + (height - 1) * src_stride_argb;
|
|
src_stride_argb = -src_stride_argb;
|
|
}
|
|
void (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix);
|
|
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) &&
|
|
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_rgb24, 16) && IS_ALIGNED(dst_stride_rgb24, 16)) {
|
|
ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
ARGBToRGB24Row = ARGBToRGB24Row_C;
|
|
}
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
ARGBToRGB24Row(src_argb, dst_rgb24, width);
|
|
src_argb += src_stride_argb;
|
|
dst_rgb24 += dst_stride_rgb24;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB To RAW.
|
|
int ARGBToRAW(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_raw, int dst_stride_raw,
|
|
int width, int height) {
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_argb = src_argb + (height - 1) * src_stride_argb;
|
|
src_stride_argb = -src_stride_argb;
|
|
}
|
|
void (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix);
|
|
#if defined(HAS_ARGBTORAWROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) &&
|
|
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_raw, 16) && IS_ALIGNED(dst_stride_raw, 16)) {
|
|
ARGBToRAWRow = ARGBToRAWRow_SSSE3;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
ARGBToRAWRow = ARGBToRAWRow_C;
|
|
}
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
ARGBToRAWRow(src_argb, dst_raw, width);
|
|
src_argb += src_stride_argb;
|
|
dst_raw += dst_stride_raw;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert NV12 to ARGB.
|
|
int NV12ToARGB(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_uv, int src_stride_uv,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
// 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;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* argb_buf,
|
|
int width);
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
} else
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 8) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
I420ToARGBRow = I420ToARGBRow_C;
|
|
}
|
|
|
|
int halfwidth = (width + 1) >> 1;
|
|
void (*SplitUV)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
|
|
#if defined(HAS_SPLITUV_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
SplitUV = SplitUV_NEON;
|
|
} else
|
|
#elif defined(HAS_SPLITUV_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(src_uv, 16) && IS_ALIGNED(src_stride_uv, 16)) {
|
|
SplitUV = SplitUV_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
SplitUV = SplitUV_C;
|
|
}
|
|
SIMD_ALIGNED(uint8 rowuv[kMaxStride * 2]);
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
if ((y & 1) == 0) {
|
|
// Copy a row of UV.
|
|
SplitUV(src_uv, rowuv, rowuv + kMaxStride, halfwidth);
|
|
src_uv += src_stride_uv;
|
|
}
|
|
I420ToARGBRow(src_y, rowuv, rowuv + kMaxStride, dst_argb, width);
|
|
dst_argb += dst_stride_argb;
|
|
src_y += src_stride_y;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert NV12 to RGB565.
|
|
int NV12ToRGB565(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_uv, int src_stride_uv,
|
|
uint8* dst_rgb, int dst_stride_rgb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_rgb = dst_rgb + (height - 1) * dst_stride_rgb;
|
|
dst_stride_rgb = -dst_stride_rgb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width);
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
} else
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
} else
|
|
#endif
|
|
{
|
|
I420ToARGBRow = I420ToARGBRow_C;
|
|
}
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToRGB565Row)(const uint8* src_argb, uint8* dst_rgb, int pix);
|
|
#if defined(HAS_ARGBTORGB565ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4)) {
|
|
ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
ARGBToRGB565Row = ARGBToRGB565Row_C;
|
|
}
|
|
|
|
int halfwidth = (width + 1) >> 1;
|
|
void (*SplitUV)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
|
|
#if defined(HAS_SPLITUV_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
SplitUV = SplitUV_NEON;
|
|
} else
|
|
#elif defined(HAS_SPLITUV_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(src_uv, 16) && IS_ALIGNED(src_stride_uv, 16)) {
|
|
SplitUV = SplitUV_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
SplitUV = SplitUV_C;
|
|
}
|
|
SIMD_ALIGNED(uint8 rowuv[kMaxStride * 2]);
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
if ((y & 1) == 0) {
|
|
// Copy a row of UV.
|
|
SplitUV(src_uv, rowuv, rowuv + kMaxStride, halfwidth);
|
|
src_uv += src_stride_uv;
|
|
}
|
|
I420ToARGBRow(src_y, rowuv, rowuv + kMaxStride, row, width);
|
|
ARGBToRGB565Row(row, dst_rgb, width);
|
|
dst_rgb += dst_stride_rgb;
|
|
src_y += src_stride_y;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// SetRow8 writes 'count' bytes using a 32 bit value repeated
|
|
// SetRow32 writes 'count' words using a 32 bit value repeated
|
|
|
|
#if defined(__ARM_NEON__) && !defined(YUV_DISABLE_ASM)
|
|
#define HAS_SETROW_NEON
|
|
static void SetRow8_NEON(uint8* dst, uint32 v32, int count) {
|
|
asm volatile (
|
|
"vdup.u32 q0, %2 \n" // duplicate 4 ints
|
|
"1: \n"
|
|
"subs %1, %1, #16 \n" // 16 bytes per loop
|
|
"vst1.u32 {q0}, [%0]! \n" // store
|
|
"bhi 1b \n"
|
|
: "+r"(dst), // %0
|
|
"+r"(count) // %1
|
|
: "r"(v32) // %2
|
|
: "q0", "memory", "cc"
|
|
);
|
|
}
|
|
|
|
// TODO(fbarchard): Make fully assembler
|
|
static void SetRows32_NEON(uint8* dst, uint32 v32, int width,
|
|
int dst_stride, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
SetRow8_NEON(dst, v32, width << 2);
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
|
|
#elif defined(_M_IX86) && !defined(YUV_DISABLE_ASM)
|
|
#define HAS_SETROW_X86
|
|
__declspec(naked)
|
|
static void SetRow8_X86(uint8* dst, uint32 v32, int count) {
|
|
__asm {
|
|
mov edx, edi
|
|
mov edi, [esp + 4] // dst
|
|
mov eax, [esp + 8] // v32
|
|
mov ecx, [esp + 12] // count
|
|
shr ecx, 2
|
|
rep stosd
|
|
mov edi, edx
|
|
ret
|
|
}
|
|
}
|
|
|
|
__declspec(naked)
|
|
static void SetRows32_X86(uint8* dst, uint32 v32, int width,
|
|
int dst_stride, int height) {
|
|
__asm {
|
|
push edi
|
|
push ebp
|
|
mov edi, [esp + 8 + 4] // dst
|
|
mov eax, [esp + 8 + 8] // v32
|
|
mov ebp, [esp + 8 + 12] // width
|
|
mov edx, [esp + 8 + 16] // dst_stride
|
|
mov ebx, [esp + 8 + 20] // height
|
|
lea ecx, [ebp * 4]
|
|
sub edx, ecx // stride - width * 4
|
|
|
|
convertloop:
|
|
mov ecx, ebp
|
|
rep stosd
|
|
add edi, edx
|
|
sub ebx, 1
|
|
ja convertloop
|
|
|
|
pop ebp
|
|
pop edi
|
|
ret
|
|
}
|
|
}
|
|
|
|
#elif (defined(__x86_64__) || defined(__i386__)) && !defined(YUV_DISABLE_ASM)
|
|
#define HAS_SETROW_X86
|
|
static void SetRow8_X86(uint8* dst, uint32 v32, int width) {
|
|
size_t width_tmp = static_cast<size_t>(width);
|
|
asm volatile (
|
|
"shr $0x2,%1 \n"
|
|
"rep stosl \n"
|
|
: "+D"(dst), // %0
|
|
"+c"(width_tmp) // %1
|
|
: "a"(v32) // %2
|
|
: "memory", "cc"
|
|
);
|
|
}
|
|
|
|
static void SetRows32_X86(uint8* dst, uint32 v32, int width,
|
|
int dst_stride, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
size_t width_tmp = static_cast<size_t>(width);
|
|
uint32* d = reinterpret_cast<uint32*>(dst);
|
|
asm volatile (
|
|
"rep stosl \n"
|
|
: "+D"(d), // %0
|
|
"+c"(width_tmp) // %1
|
|
: "a"(v32) // %2
|
|
: "memory", "cc"
|
|
);
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if !defined(HAS_SETROW_X86)
|
|
static void SetRow8_C(uint8* dst, uint32 v8, int count) {
|
|
#ifdef _MSC_VER
|
|
for (int x = 0; x < count; ++x) {
|
|
dst[x] = v8;
|
|
}
|
|
#else
|
|
memset(dst, v8, count);
|
|
#endif
|
|
}
|
|
|
|
static void SetRows32_C(uint8* dst, uint32 v32, int width,
|
|
int dst_stride, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
uint32* d = reinterpret_cast<uint32*>(dst);
|
|
for (int x = 0; x < width; ++x) {
|
|
d[x] = v32;
|
|
}
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void SetPlane(uint8* dst_y, int dst_stride_y,
|
|
int width, int height,
|
|
uint32 value) {
|
|
void (*SetRow)(uint8* dst, uint32 value, int pix);
|
|
#if defined(HAS_SETROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
|
|
SetRow = SetRow8_NEON;
|
|
} else
|
|
#elif defined(HAS_SETROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
|
|
SetRow = SetRow8_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
#if defined(HAS_SETROW_X86)
|
|
SetRow = SetRow8_X86;
|
|
#else
|
|
SetRow = SetRow8_C;
|
|
#endif
|
|
}
|
|
|
|
uint32 v32 = value | (value << 8) | (value << 16) | (value << 24);
|
|
// Set plane
|
|
for (int y = 0; y < height; ++y) {
|
|
SetRow(dst_y, v32, width);
|
|
dst_y += dst_stride_y;
|
|
}
|
|
}
|
|
|
|
// Draw a rectangle into I420
|
|
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) {
|
|
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;
|
|
}
|
|
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);
|
|
|
|
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
|
|
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;
|
|
}
|
|
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
|
|
void (*SetRows)(uint8* dst, uint32 value, int width,
|
|
int dst_stride, int height);
|
|
#if defined(HAS_SETROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
SetRows = SetRows32_NEON;
|
|
} else
|
|
#endif
|
|
{
|
|
#if defined(HAS_SETROW_X86)
|
|
SetRows = SetRows32_X86;
|
|
#else
|
|
SetRows = SetRows32_C;
|
|
#endif
|
|
}
|
|
SetRows(dst, value, width, dst_stride_argb, height);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|