mirror of
https://chromium.googlesource.com/libyuv/libyuv
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8ed54222e7
BUG=none TEST=none Review URL: https://webrtc-codereview.appspot.com/485009 git-svn-id: http://libyuv.googlecode.com/svn/trunk@242 16f28f9a-4ce2-e073-06de-1de4eb20be90
1011 lines
32 KiB
C++
1011 lines
32 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 "source/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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#endif
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#if defined(HAS_COPYROW_X86)
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if (TestCpuFlag(kCpuHasX86) && IS_ALIGNED(width, 4)) {
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CopyRow = CopyRow_X86;
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}
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#endif
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#if defined(HAS_COPYROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) && 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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// 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) = MirrorRow_C;
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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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}
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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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#if defined(HAS_MIRRORROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) &&
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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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}
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#endif
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}
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#endif
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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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// Get a blender that optimized for the CPU, alignment and pixel count.
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// As there are 6 blenders to choose from, the caller should try to use
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// the same blend function for all pixels if possible.
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ARGBBlendRow GetARGBBlend(uint8* dst_argb, int dst_stride_argb, int width) {
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void (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1,
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uint8* dst_argb, int width) = ARGBBlendRow_C;
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#if defined(HAS_ARGBBLENDROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2)) {
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ARGBBlendRow = ARGBBlendRow1_SSE2;
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if (width >= 4) {
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ARGBBlendRow = ARGBBlendRow_Any_SSE2;
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if (IS_ALIGNED(width, 4) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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ARGBBlendRow = ARGBBlendRow_Aligned_SSE2;
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}
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}
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}
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#endif
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#if defined(HAS_ARGBBLENDROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 4) {
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ARGBBlendRow = ARGBBlendRow_Any_SSSE3;
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if (IS_ALIGNED(width, 4) &&
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IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
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ARGBBlendRow = ARGBBlendRow_Aligned_SSSE3;
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}
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}
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#endif
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return ARGBBlendRow;
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}
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// Alpha Blend 2 ARGB images and store to destination.
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int ARGBBlend(const uint8* src_argb0, int src_stride_argb0,
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const uint8* src_argb1, int src_stride_argb1,
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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_argb0 || !src_argb1 || !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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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 (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1,
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uint8* dst_argb, int width) =
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GetARGBBlend(dst_argb, dst_stride_argb, width);
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for (int y = 0; y < height; ++y) {
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ARGBBlendRow(src_argb0, src_argb1, dst_argb, width);
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src_argb0 += src_stride_argb0;
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src_argb1 += src_stride_argb1;
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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) = I420ToARGBRow_C;
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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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}
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#elif defined(HAS_I420TOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
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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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}
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#endif
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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) = I444ToARGBRow_C;
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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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}
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#endif
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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) = YToARGBRow_C;
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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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}
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#endif
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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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I400ToARGBRow_C;
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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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}
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#endif
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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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ABGRToARGBRow_C;
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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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}
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#endif
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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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BGRAToARGBRow_C;
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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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}
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#endif
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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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ARGBToYRow_C;
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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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}
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#endif
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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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RAWToARGBRow_C;
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#if defined(HAS_RAWTOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
RAWToARGBRow = RAWToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
RAWToARGBRow(src_raw, dst_argb, width);
|
|
src_raw += src_stride_raw;
|
|
dst_argb += dst_stride_argb;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert RGB24 to ARGB.
|
|
int RGB24ToARGB(const uint8* src_rgb24, int src_stride_rgb24,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
if (height < 0) {
|
|
height = -height;
|
|
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) =
|
|
RGB24ToARGBRow_C;
|
|
#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;
|
|
}
|
|
#endif
|
|
|
|
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) =
|
|
ARGBToRGB24Row_C;
|
|
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) &&
|
|
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
if (width * 3 <= kMaxStride) {
|
|
ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
|
|
}
|
|
if (IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_rgb24, 16) && IS_ALIGNED(dst_stride_rgb24, 16)) {
|
|
ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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) =
|
|
ARGBToRAWRow_C;
|
|
#if defined(HAS_ARGBTORAWROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) &&
|
|
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
if (width * 3 <= kMaxStride) {
|
|
ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
|
|
}
|
|
if (IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_raw, 16) && IS_ALIGNED(dst_stride_raw, 16)) {
|
|
ARGBToRAWRow = ARGBToRAWRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
|
|
I420ToARGBRow = I420ToARGBRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 8) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
int halfwidth = (width + 1) >> 1;
|
|
void (*SplitUV)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) =
|
|
SplitUV_C;
|
|
#if defined(HAS_SPLITUV_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
SplitUV = SplitUV_NEON;
|
|
}
|
|
#elif defined(HAS_SPLITUV_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(src_uv, 16) && IS_ALIGNED(src_stride_uv, 16)) {
|
|
SplitUV = SplitUV_SSE2;
|
|
}
|
|
#endif
|
|
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) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToRGB565Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToRGB565Row_C;
|
|
#if defined(HAS_ARGBTORGB565ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4)) {
|
|
ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
|
|
}
|
|
#endif
|
|
|
|
int halfwidth = (width + 1) >> 1;
|
|
void (*SplitUV)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) =
|
|
SplitUV_C;
|
|
#if defined(HAS_SPLITUV_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
SplitUV = SplitUV_NEON;
|
|
}
|
|
#elif defined(HAS_SPLITUV_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(src_uv, 16) && IS_ALIGNED(src_stride_uv, 16)) {
|
|
SplitUV = SplitUV_SSE2;
|
|
}
|
|
#endif
|
|
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(YUV_DISABLE_ASM) && defined(__ARM_NEON__)
|
|
#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
|
|
"bgt 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(YUV_DISABLE_ASM) && defined(_M_IX86)
|
|
#define HAS_SETROW_X86
|
|
__declspec(naked) __declspec(align(16))
|
|
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) __declspec(align(16))
|
|
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
|
|
|
|
align 16
|
|
convertloop:
|
|
mov ecx, ebp
|
|
rep stosd
|
|
add edi, edx
|
|
sub ebx, 1
|
|
jg convertloop
|
|
|
|
pop ebp
|
|
pop edi
|
|
ret
|
|
}
|
|
}
|
|
|
|
#elif !defined(YUV_DISABLE_ASM) && (defined(__x86_64__) || defined(__i386__))
|
|
#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
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
void SetPlane(uint8* dst_y, int dst_stride_y,
|
|
int width, int height,
|
|
uint32 value) {
|
|
void (*SetRow)(uint8* dst, uint32 value, int pix) = SetRow8_C;
|
|
#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;
|
|
}
|
|
#endif
|
|
#if defined(HAS_SETROW_X86)
|
|
if (TestCpuFlag(kCpuHasX86) && IS_ALIGNED(width, 4)) {
|
|
SetRow = SetRow8_X86;
|
|
}
|
|
#endif
|
|
#if 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;
|
|
}
|
|
#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;
|
|
#if defined(HAS_SETROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
SetRows32_NEON(dst, value, width, dst_stride_argb, height);
|
|
return 0;
|
|
}
|
|
#endif
|
|
#if defined(HAS_SETROW_X86)
|
|
if (TestCpuFlag(kCpuHasX86)) {
|
|
SetRows32_X86(dst, value, width, dst_stride_argb, height);
|
|
return 0;
|
|
}
|
|
#endif
|
|
SetRows32_C(dst, value, width, dst_stride_argb, height);
|
|
return 0;
|
|
}
|
|
|
|
// Convert unattentuated ARGB values to preattenuated ARGB.
|
|
// An unattenutated ARGB alpha blend uses the formula
|
|
// p = a * f + (1 - a) * b
|
|
// where
|
|
// p is output pixel
|
|
// f is foreground pixel
|
|
// b is background pixel
|
|
// a is alpha value from foreground pixel
|
|
// An preattenutated ARGB alpha blend uses the formula
|
|
// p = f + (1 - a) * b
|
|
// where
|
|
// f is foreground pixel premultiplied by alpha
|
|
|
|
int ARGBAttenuate(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
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 (*ARGBAttenuateRow)(const uint8* src_argb, uint8* dst_argb,
|
|
int width) = ARGBAttenuateRow_C;
|
|
#if defined(HAS_ARGBATTENUATE_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4) &&
|
|
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
ARGBAttenuateRow = ARGBAttenuateRow_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
ARGBAttenuateRow(src_argb, dst_argb, width);
|
|
src_argb += src_stride_argb;
|
|
dst_argb += dst_stride_argb;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Divide source RGB by alpha and store to destination.
|
|
// b = (b * 255 + (a / 2)) / a;
|
|
// g = (g * 255 + (a / 2)) / a;
|
|
// r = (r * 255 + (a / 2)) / a;
|
|
// Reciprocal method is off by 1 on some values. ie 125
|
|
// 8.16 fixed point inverse table
|
|
#define T(a) 0x1000000 / a
|
|
static uint32 fixed_invtbl[256] = {
|
|
0, T(0x01), T(0x02), T(0x03), T(0x04), T(0x05), T(0x06), T(0x07),
|
|
T(0x08), T(0x09), T(0x0a), T(0x0b), T(0x0c), T(0x0d), T(0x0e), T(0x0f),
|
|
T(0x10), T(0x11), T(0x12), T(0x13), T(0x14), T(0x15), T(0x16), T(0x17),
|
|
T(0x18), T(0x19), T(0x1a), T(0x1b), T(0x1c), T(0x1d), T(0x1e), T(0x1f),
|
|
T(0x20), T(0x21), T(0x22), T(0x23), T(0x24), T(0x25), T(0x26), T(0x27),
|
|
T(0x28), T(0x29), T(0x2a), T(0x2b), T(0x2c), T(0x2d), T(0x2e), T(0x2f),
|
|
T(0x30), T(0x31), T(0x32), T(0x33), T(0x34), T(0x35), T(0x36), T(0x37),
|
|
T(0x38), T(0x39), T(0x3a), T(0x3b), T(0x3c), T(0x3d), T(0x3e), T(0x3f),
|
|
T(0x40), T(0x41), T(0x42), T(0x43), T(0x44), T(0x45), T(0x46), T(0x47),
|
|
T(0x48), T(0x49), T(0x4a), T(0x4b), T(0x4c), T(0x4d), T(0x4e), T(0x4f),
|
|
T(0x50), T(0x51), T(0x52), T(0x53), T(0x54), T(0x55), T(0x56), T(0x57),
|
|
T(0x58), T(0x59), T(0x5a), T(0x5b), T(0x5c), T(0x5d), T(0x5e), T(0x5f),
|
|
T(0x60), T(0x61), T(0x62), T(0x63), T(0x64), T(0x65), T(0x66), T(0x67),
|
|
T(0x68), T(0x69), T(0x6a), T(0x6b), T(0x6c), T(0x6d), T(0x6e), T(0x6f),
|
|
T(0x70), T(0x71), T(0x72), T(0x73), T(0x74), T(0x75), T(0x76), T(0x77),
|
|
T(0x78), T(0x79), T(0x7a), T(0x7b), T(0x7c), T(0x7d), T(0x7e), T(0x7f),
|
|
T(0x80), T(0x81), T(0x82), T(0x83), T(0x84), T(0x85), T(0x86), T(0x87),
|
|
T(0x88), T(0x89), T(0x8a), T(0x8b), T(0x8c), T(0x8d), T(0x8e), T(0x8f),
|
|
T(0x90), T(0x91), T(0x92), T(0x93), T(0x94), T(0x95), T(0x96), T(0x97),
|
|
T(0x98), T(0x99), T(0x9a), T(0x9b), T(0x9c), T(0x9d), T(0x9e), T(0x9f),
|
|
T(0xa0), T(0xa1), T(0xa2), T(0xa3), T(0xa4), T(0xa5), T(0xa6), T(0xa7),
|
|
T(0xa8), T(0xa9), T(0xaa), T(0xab), T(0xac), T(0xad), T(0xae), T(0xaf),
|
|
T(0xb0), T(0xb1), T(0xb2), T(0xb3), T(0xb4), T(0xb5), T(0xb6), T(0xb7),
|
|
T(0xb8), T(0xb9), T(0xba), T(0xbb), T(0xbc), T(0xbd), T(0xbe), T(0xbf),
|
|
T(0xc0), T(0xc1), T(0xc2), T(0xc3), T(0xc4), T(0xc5), T(0xc6), T(0xc7),
|
|
T(0xc8), T(0xc9), T(0xca), T(0xcb), T(0xcc), T(0xcd), T(0xce), T(0xcf),
|
|
T(0xd0), T(0xd1), T(0xd2), T(0xd3), T(0xd4), T(0xd5), T(0xd6), T(0xd7),
|
|
T(0xd8), T(0xd9), T(0xda), T(0xdb), T(0xdc), T(0xdd), T(0xde), T(0xdf),
|
|
T(0xe0), T(0xe1), T(0xe2), T(0xe3), T(0xe4), T(0xe5), T(0xe6), T(0xe7),
|
|
T(0xe8), T(0xe9), T(0xea), T(0xeb), T(0xec), T(0xed), T(0xee), T(0xef),
|
|
T(0xf0), T(0xf1), T(0xf2), T(0xf3), T(0xf4), T(0xf5), T(0xf6), T(0xf7),
|
|
T(0xf8), T(0xf9), T(0xfa), T(0xfb), T(0xfc), T(0xfd), T(0xfe), T(0xff) };
|
|
#undef T
|
|
|
|
static void ARGBUnattenuateRow_C(const uint8* src_argb, uint8* dst_argb,
|
|
int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
uint32 b = src_argb[0];
|
|
uint32 g = src_argb[1];
|
|
uint32 r = src_argb[2];
|
|
const uint32 a = src_argb[3];
|
|
if (a) {
|
|
const uint32 ia = fixed_invtbl[a]; // 8.16 fixed point
|
|
b = (b * ia + 0x8000) >> 16;
|
|
g = (g * ia + 0x8000) >> 16;
|
|
r = (r * ia + 0x8000) >> 16;
|
|
// Clamping should not be necessary but is free in assembly.
|
|
if (b > 255) {
|
|
b = 255;
|
|
}
|
|
if (g > 255) {
|
|
g = 255;
|
|
}
|
|
if (r > 255) {
|
|
r = 255;
|
|
}
|
|
}
|
|
dst_argb[0] = b;
|
|
dst_argb[1] = g;
|
|
dst_argb[2] = r;
|
|
dst_argb[3] = a;
|
|
src_argb += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
// Convert unattentuated ARGB values to preattenuated ARGB.
|
|
int ARGBUnattenuate(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
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 (*ARGBUnattenuateRow)(const uint8* src_argb, uint8* dst_argb,
|
|
int width) = ARGBUnattenuateRow_C;
|
|
#if defined(HAS_ARGBUNATTENUATE_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4) &&
|
|
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
ARGBUnattenuateRow = ARGBUnattenuateRow_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
ARGBUnattenuateRow(src_argb, dst_argb, width);
|
|
src_argb += src_stride_argb;
|
|
dst_argb += dst_stride_argb;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|