mirror of
https://chromium.googlesource.com/libyuv/libyuv
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810cd91079
BUG=none TEST=none Review URL: https://webrtc-codereview.appspot.com/497001 git-svn-id: http://libyuv.googlecode.com/svn/trunk@244 16f28f9a-4ce2-e073-06de-1de4eb20be90
780 lines
27 KiB
C++
780 lines
27 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 "source/row.h"
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#include <string.h> // For memcpy
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#include "libyuv/basic_types.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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void ABGRToARGBRow_C(const uint8* src_abgr, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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// To support in-place conversion.
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uint8 r = src_abgr[0];
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uint8 g = src_abgr[1];
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uint8 b = src_abgr[2];
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uint8 a = src_abgr[3];
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dst_argb[0] = b;
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dst_argb[1] = g;
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dst_argb[2] = r;
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dst_argb[3] = a;
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dst_argb += 4;
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src_abgr += 4;
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}
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}
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void BGRAToARGBRow_C(const uint8* src_bgra, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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// To support in-place conversion.
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uint8 a = src_bgra[0];
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uint8 r = src_bgra[1];
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uint8 g = src_bgra[2];
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uint8 b = src_bgra[3];
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dst_argb[0] = b;
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dst_argb[1] = g;
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dst_argb[2] = r;
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dst_argb[3] = a;
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dst_argb += 4;
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src_bgra += 4;
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}
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}
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void RGB24ToARGBRow_C(const uint8* src_rgb24, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_rgb24[0];
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uint8 g = src_rgb24[1];
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uint8 r = src_rgb24[2];
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dst_argb[0] = b;
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dst_argb[1] = g;
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dst_argb[2] = r;
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dst_argb[3] = 255u;
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dst_argb += 4;
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src_rgb24 += 3;
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}
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}
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void RAWToARGBRow_C(const uint8* src_raw, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 r = src_raw[0];
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uint8 g = src_raw[1];
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uint8 b = src_raw[2];
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dst_argb[0] = b;
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dst_argb[1] = g;
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dst_argb[2] = r;
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dst_argb[3] = 255u;
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dst_argb += 4;
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src_raw += 3;
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}
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}
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void RGB565ToARGBRow_C(const uint8* src_rgb, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_rgb[0] & 0x1f;
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uint8 g = (src_rgb[0] >> 5) | ((src_rgb[1] & 0x07) << 3);
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uint8 r = src_rgb[1] >> 3;
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dst_argb[0] = (b << 3) | (b >> 2);
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dst_argb[1] = (g << 2) | (g >> 4);
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dst_argb[2] = (r << 3) | (r >> 2);
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dst_argb[3] = 255u;
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dst_argb += 4;
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src_rgb += 2;
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}
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}
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void ARGB1555ToARGBRow_C(const uint8* src_rgb, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_rgb[0] & 0x1f;
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uint8 g = (src_rgb[0] >> 5) | ((src_rgb[1] & 0x03) << 3);
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uint8 r = (src_rgb[1] & 0x7c) >> 2;
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uint8 a = src_rgb[1] >> 7;
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dst_argb[0] = (b << 3) | (b >> 2);
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dst_argb[1] = (g << 3) | (g >> 2);
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dst_argb[2] = (r << 3) | (r >> 2);
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dst_argb[3] = -a;
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dst_argb += 4;
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src_rgb += 2;
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}
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}
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void ARGB4444ToARGBRow_C(const uint8* src_rgb, uint8* dst_argb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 a = src_rgb[1] >> 4;
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uint8 r = src_rgb[1] & 0x0f;
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uint8 g = src_rgb[0] >> 4;
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uint8 b = src_rgb[0] & 0x0f;
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dst_argb[0] = (b << 4) | b;
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dst_argb[1] = (g << 4) | g;
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dst_argb[2] = (r << 4) | r;
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dst_argb[3] = (a << 4) | a;
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dst_argb += 4;
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src_rgb += 2;
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}
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}
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void ARGBToRGB24Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_argb[0];
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uint8 g = src_argb[1];
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uint8 r = src_argb[2];
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dst_rgb[0] = b;
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dst_rgb[1] = g;
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dst_rgb[2] = r;
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dst_rgb += 3;
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src_argb += 4;
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}
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}
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void ARGBToRAWRow_C(const uint8* src_argb, uint8* dst_rgb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_argb[0];
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uint8 g = src_argb[1];
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uint8 r = src_argb[2];
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dst_rgb[0] = r;
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dst_rgb[1] = g;
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dst_rgb[2] = b;
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dst_rgb += 3;
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src_argb += 4;
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}
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}
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// TODO(fbarchard): support big endian CPU
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void ARGBToRGB565Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_argb[0] >> 3;
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uint8 g = src_argb[1] >> 2;
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uint8 r = src_argb[2] >> 3;
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*reinterpret_cast<uint16*>(dst_rgb) = (r << 11) | (g << 5) | b;
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dst_rgb += 2;
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src_argb += 4;
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}
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}
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void ARGBToARGB1555Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_argb[0] >> 3;
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uint8 g = src_argb[1] >> 3;
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uint8 r = src_argb[2] >> 3;
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uint8 a = src_argb[2] >> 7;
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*reinterpret_cast<uint16*>(dst_rgb) = (a << 15) | (r << 10) | (g << 5) | b;
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dst_rgb += 2;
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src_argb += 4;
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}
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}
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void ARGBToARGB4444Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
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for (int x = 0; x < width; ++x) {
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uint8 b = src_argb[0] >> 4;
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uint8 g = src_argb[1] >> 4;
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uint8 r = src_argb[2] >> 4;
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uint8 a = src_argb[2] >> 4;
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*reinterpret_cast<uint16*>(dst_rgb) = (a << 12) | (r << 8) | (g << 4) | b;
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dst_rgb += 2;
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src_argb += 4;
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}
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}
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static __inline int RGBToY(uint8 r, uint8 g, uint8 b) {
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return (( 66 * r + 129 * g + 25 * b + 128) >> 8) + 16;
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}
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static __inline int RGBToU(uint8 r, uint8 g, uint8 b) {
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return ((-38 * r - 74 * g + 112 * b + 128) >> 8) + 128;
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}
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static __inline int RGBToV(uint8 r, uint8 g, uint8 b) {
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return ((112 * r - 94 * g - 18 * b + 128) >> 8) + 128;
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}
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#define MAKEROWY(NAME, R, G, B) \
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void NAME ## ToYRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
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for (int x = 0; x < width; ++x) { \
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dst_y[0] = RGBToY(src_argb0[R], src_argb0[G], src_argb0[B]); \
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src_argb0 += 4; \
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dst_y += 1; \
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} \
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} \
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void NAME ## ToUVRow_C(const uint8* src_rgb0, int src_stride_rgb, \
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uint8* dst_u, uint8* dst_v, int width) { \
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const uint8* src_rgb1 = src_rgb0 + src_stride_rgb; \
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for (int x = 0; x < width - 1; x += 2) { \
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uint8 ab = (src_rgb0[B] + src_rgb0[B + 4] + \
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src_rgb1[B] + src_rgb1[B + 4]) >> 2; \
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uint8 ag = (src_rgb0[G] + src_rgb0[G + 4] + \
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src_rgb1[G] + src_rgb1[G + 4]) >> 2; \
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uint8 ar = (src_rgb0[R] + src_rgb0[R + 4] + \
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src_rgb1[R] + src_rgb1[R + 4]) >> 2; \
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dst_u[0] = RGBToU(ar, ag, ab); \
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dst_v[0] = RGBToV(ar, ag, ab); \
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src_rgb0 += 8; \
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src_rgb1 += 8; \
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dst_u += 1; \
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dst_v += 1; \
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} \
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if (width & 1) { \
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uint8 ab = (src_rgb0[B] + src_rgb1[B]) >> 1; \
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uint8 ag = (src_rgb0[G] + src_rgb1[G]) >> 1; \
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uint8 ar = (src_rgb0[R] + src_rgb1[R]) >> 1; \
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dst_u[0] = RGBToU(ar, ag, ab); \
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dst_v[0] = RGBToV(ar, ag, ab); \
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} \
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}
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MAKEROWY(ARGB, 2, 1, 0)
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MAKEROWY(BGRA, 1, 2, 3)
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MAKEROWY(ABGR, 0, 1, 2)
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void I400ToARGBRow_C(const uint8* src_y, uint8* dst_argb, int width) {
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// Copy a Y to RGB.
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for (int x = 0; x < width; ++x) {
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uint8 y = src_y[0];
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dst_argb[2] = dst_argb[1] = dst_argb[0] = y;
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dst_argb[3] = 255u;
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dst_argb += 4;
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++src_y;
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}
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}
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// C reference code that mimics the YUV assembly.
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#define YG 74 /* static_cast<int8>(1.164 * 64 + 0.5) */
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#define UB 127 /* min(63,static_cast<int8>(2.018 * 64)) */
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#define UG -25 /* static_cast<int8>(-0.391 * 64 - 0.5) */
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#define UR 0
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#define VB 0
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#define VG -52 /* static_cast<int8>(-0.813 * 64 - 0.5) */
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#define VR 102 /* static_cast<int8>(1.596 * 64 + 0.5) */
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// Bias
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#define BB UB * 128 + VB * 128
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#define BG UG * 128 + VG * 128
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#define BR UR * 128 + VR * 128
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static __inline uint32 Clip(int32 val) {
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if (val < 0) {
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return static_cast<uint32>(0);
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} else if (val > 255) {
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return static_cast<uint32>(255);
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}
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return static_cast<uint32>(val);
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}
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static __inline void YuvPixel(uint8 y, uint8 u, uint8 v, uint8* rgb_buf,
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int ashift, int rshift, int gshift, int bshift) {
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int32 y1 = (static_cast<int32>(y) - 16) * YG;
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uint32 b = Clip(static_cast<int32>((u * UB + v * VB) - (BB) + y1) >> 6);
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uint32 g = Clip(static_cast<int32>((u * UG + v * VG) - (BG) + y1) >> 6);
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uint32 r = Clip(static_cast<int32>((u * UR + v * VR) - (BR) + y1) >> 6);
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*reinterpret_cast<uint32*>(rgb_buf) = (b << bshift) |
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(g << gshift) |
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(r << rshift) |
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(255u << ashift);
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}
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void I420ToARGBRow_C(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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for (int x = 0; x < width - 1; x += 2) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
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YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 16, 8, 0);
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y_buf += 2;
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u_buf += 1;
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v_buf += 1;
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rgb_buf += 8; // Advance 2 pixels.
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}
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if (width & 1) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0);
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}
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}
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void I420ToBGRARow_C(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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for (int x = 0; x < width - 1; x += 2) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 0, 8, 16, 24);
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YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 0, 8, 16, 24);
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y_buf += 2;
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u_buf += 1;
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v_buf += 1;
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rgb_buf += 8; // Advance 2 pixels.
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}
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if (width & 1) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf, 0, 8, 16, 24);
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}
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}
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void I420ToABGRRow_C(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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for (int x = 0; x < width - 1; x += 2) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 0, 8, 16);
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YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 0, 8, 16);
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y_buf += 2;
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u_buf += 1;
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v_buf += 1;
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rgb_buf += 8; // Advance 2 pixels.
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}
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if (width & 1) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 0, 8, 16);
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}
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}
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void I444ToARGBRow_C(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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for (int x = 0; x < width; ++x) {
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YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf, 24, 16, 8, 0);
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y_buf += 1;
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u_buf += 1;
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v_buf += 1;
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rgb_buf += 4; // Advance 1 pixel.
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}
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}
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void YToARGBRow_C(const uint8* y_buf, uint8* rgb_buf, int width) {
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for (int x = 0; x < width; ++x) {
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YuvPixel(y_buf[0], 128, 128, rgb_buf, 24, 16, 8, 0);
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y_buf += 1;
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rgb_buf += 4; // Advance 1 pixel.
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}
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}
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void MirrorRow_C(const uint8* src, uint8* dst, int width) {
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src += width - 1;
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for (int x = 0; x < width - 1; x += 2) {
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dst[x] = src[0];
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dst[x + 1] = src[-1];
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src -= 2;
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}
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if (width & 1) {
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dst[width - 1] = src[0];
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}
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}
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void MirrorRowUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
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src_uv += (width - 1) << 1;
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for (int x = 0; x < width - 1; x += 2) {
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dst_u[x] = src_uv[0];
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dst_u[x + 1] = src_uv[-2];
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dst_v[x] = src_uv[1];
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dst_v[x + 1] = src_uv[-2 + 1];
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src_uv -= 4;
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}
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if (width & 1) {
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dst_u[width - 1] = src_uv[0];
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dst_v[width - 1] = src_uv[1];
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}
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}
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void SplitUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
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for (int x = 0; x < width - 1; x += 2) {
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dst_u[x] = src_uv[0];
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dst_u[x + 1] = src_uv[2];
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dst_v[x] = src_uv[1];
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dst_v[x + 1] = src_uv[3];
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src_uv += 4;
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}
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if (width & 1) {
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dst_u[width - 1] = src_uv[0];
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dst_v[width - 1] = src_uv[1];
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}
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}
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void CopyRow_C(const uint8* src, uint8* dst, int count) {
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memcpy(dst, src, count);
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}
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// Filter 2 rows of YUY2 UV's (422) into U and V (420)
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void YUY2ToUVRow_C(const uint8* src_yuy2, int src_stride_yuy2,
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uint8* dst_u, uint8* dst_v, int width) {
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// Output a row of UV values, filtering 2 rows of YUY2
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for (int x = 0; x < width; x += 2) {
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dst_u[0] = (src_yuy2[1] + src_yuy2[src_stride_yuy2 + 1] + 1) >> 1;
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dst_v[0] = (src_yuy2[3] + src_yuy2[src_stride_yuy2 + 3] + 1) >> 1;
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src_yuy2 += 4;
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dst_u += 1;
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dst_v += 1;
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}
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}
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void YUY2ToYRow_C(const uint8* src_yuy2, uint8* dst_y, int width) {
|
|
// Copy a row of yuy2 Y values
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_y[x] = src_yuy2[0];
|
|
dst_y[x + 1] = src_yuy2[2];
|
|
src_yuy2 += 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_y[width - 1] = src_yuy2[0];
|
|
}
|
|
}
|
|
|
|
void UYVYToUVRow_C(const uint8* src_uyvy, int src_stride_uyvy,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
// Copy a row of uyvy UV values
|
|
for (int x = 0; x < width; x += 2) {
|
|
dst_u[0] = (src_uyvy[0] + src_uyvy[src_stride_uyvy + 0] + 1) >> 1;
|
|
dst_v[0] = (src_uyvy[2] + src_uyvy[src_stride_uyvy + 2] + 1) >> 1;
|
|
src_uyvy += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
void UYVYToYRow_C(const uint8* src_yuy2, uint8* dst_y, int width) {
|
|
// Copy a row of uyvy Y values
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_y[x] = src_yuy2[1];
|
|
dst_y[x + 1] = src_yuy2[3];
|
|
src_yuy2 += 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_y[width - 1] = src_yuy2[1];
|
|
}
|
|
}
|
|
|
|
#define BLENDER(f, b, a) (((256 - a) * b) >> 8) + f
|
|
|
|
// Blend src_argb0 over src_argb1 and store to dst_argb.
|
|
// dst_argb may be src_argb0 or src_argb1.
|
|
void ARGBBlendRow_C(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint32 a = src_argb0[3];
|
|
if (a == 0) {
|
|
*reinterpret_cast<uint32*>(dst_argb) =
|
|
*reinterpret_cast<const uint32*>(src_argb1);
|
|
} else if (a == 255) {
|
|
*reinterpret_cast<uint32*>(dst_argb) =
|
|
*reinterpret_cast<const uint32*>(src_argb0);
|
|
} else {
|
|
const uint32 fb = src_argb0[0];
|
|
const uint32 fg = src_argb0[1];
|
|
const uint32 fr = src_argb0[2];
|
|
const uint32 bb = src_argb1[0];
|
|
const uint32 bg = src_argb1[1];
|
|
const uint32 br = src_argb1[2];
|
|
dst_argb[0] = BLENDER(fb, bb, a);
|
|
dst_argb[1] = BLENDER(fg, bg, a);
|
|
dst_argb[2] = BLENDER(fr, br, a);
|
|
dst_argb[3] = 255u;
|
|
}
|
|
a = src_argb0[4 + 3];
|
|
if (a == 0) {
|
|
*reinterpret_cast<uint32*>(dst_argb + 4) =
|
|
*reinterpret_cast<const uint32*>(src_argb1 + 4);
|
|
} else if (a == 255) {
|
|
*reinterpret_cast<uint32*>(dst_argb + 4) =
|
|
*reinterpret_cast<const uint32*>(src_argb0 + 4);
|
|
} else {
|
|
const uint32 fb = src_argb0[4 + 0];
|
|
const uint32 fg = src_argb0[4 + 1];
|
|
const uint32 fr = src_argb0[4 + 2];
|
|
const uint32 bb = src_argb1[4 + 0];
|
|
const uint32 bg = src_argb1[4 + 1];
|
|
const uint32 br = src_argb1[4 + 2];
|
|
dst_argb[4 + 0] = BLENDER(fb, bb, a);
|
|
dst_argb[4 + 1] = BLENDER(fg, bg, a);
|
|
dst_argb[4 + 2] = BLENDER(fr, br, a);
|
|
dst_argb[4 + 3] = 255u;
|
|
}
|
|
src_argb0 += 8;
|
|
src_argb1 += 8;
|
|
dst_argb += 8;
|
|
}
|
|
|
|
if (width & 1) {
|
|
uint32 a = src_argb0[3];
|
|
if (a == 0) {
|
|
*reinterpret_cast<uint32*>(dst_argb) =
|
|
*reinterpret_cast<const uint32*>(src_argb1);
|
|
} else if (a == 255) {
|
|
*reinterpret_cast<uint32*>(dst_argb) =
|
|
*reinterpret_cast<const uint32*>(src_argb0);
|
|
} else {
|
|
const uint32 fb = src_argb0[0];
|
|
const uint32 fg = src_argb0[1];
|
|
const uint32 fr = src_argb0[2];
|
|
const uint32 bb = src_argb1[0];
|
|
const uint32 bg = src_argb1[1];
|
|
const uint32 br = src_argb1[2];
|
|
dst_argb[0] = BLENDER(fb, bb, a);
|
|
dst_argb[1] = BLENDER(fg, bg, a);
|
|
dst_argb[2] = BLENDER(fr, br, a);
|
|
dst_argb[3] = 255u;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef HAS_ARGBBLENDROW_SSE2
|
|
void ARGBBlendRow_Any_SSE2(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
// Do 1 to 3 pixels to get destination aligned.
|
|
if ((uintptr_t)(dst_argb) & 15) {
|
|
int count = width;
|
|
if (count > 4 && ((intptr_t)(dst_argb) & 3) == 0) {
|
|
count = (-(intptr_t)(dst_argb) >> 2) & 3;
|
|
}
|
|
ARGBBlendRow1_SSE2(src_argb0, src_argb1, dst_argb, count);
|
|
src_argb0 += count * 4;
|
|
src_argb1 += count * 4;
|
|
dst_argb += count * 4;
|
|
width -= count;
|
|
}
|
|
// Do multiple of 4 pixels
|
|
if (width & ~3) {
|
|
ARGBBlendRow_Aligned_SSE2(src_argb0, src_argb1, dst_argb, width & ~3);
|
|
}
|
|
// Do remaining 1 to 3 pixels
|
|
if (width & 3) {
|
|
src_argb0 += (width & ~3) * 4;
|
|
src_argb1 += (width & ~3) * 4;
|
|
dst_argb += (width & ~3) * 4;
|
|
width &= 3;
|
|
ARGBBlendRow1_SSE2(src_argb0, src_argb1, dst_argb, width);
|
|
}
|
|
}
|
|
#endif // HAS_ARGBBLENDROW_SSE2
|
|
|
|
#ifdef HAS_ARGBBLENDROW_SSSE3
|
|
void ARGBBlendRow_Any_SSSE3(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
// Do 1 to 3 pixels to get destination aligned.
|
|
if ((uintptr_t)(dst_argb) & 15) {
|
|
int count = width;
|
|
if (count > 4 && ((intptr_t)(dst_argb) & 3) == 0) {
|
|
count = (-(intptr_t)(dst_argb) >> 2) & 3;
|
|
}
|
|
ARGBBlendRow1_SSE2(src_argb0, src_argb1, dst_argb, count);
|
|
src_argb0 += count * 4;
|
|
src_argb1 += count * 4;
|
|
dst_argb += count * 4;
|
|
width -= count;
|
|
}
|
|
// Do multiple of 4 pixels.
|
|
if (width & ~3) {
|
|
ARGBBlendRow_Aligned_SSSE3(src_argb0, src_argb1, dst_argb, width & ~3);
|
|
}
|
|
// Do remaining 1 to 3 pixels
|
|
if (width & 3) {
|
|
src_argb0 += (width & ~3) * 4;
|
|
src_argb1 += (width & ~3) * 4;
|
|
dst_argb += (width & ~3) * 4;
|
|
width &= 3;
|
|
ARGBBlendRow1_SSE2(src_argb0, src_argb1, dst_argb, width);
|
|
}
|
|
}
|
|
#endif // HAS_ARGBBLENDROW_SSSE3
|
|
|
|
// Wrappers to handle odd sizes/alignments
|
|
#define YUVANY(NAMEANY, I420TORGB_SSE, I420TORGB_C) \
|
|
void NAMEANY(const uint8* y_buf, \
|
|
const uint8* u_buf, \
|
|
const uint8* v_buf, \
|
|
uint8* rgb_buf, \
|
|
int width) { \
|
|
int n = width & ~7; \
|
|
I420TORGB_SSE(y_buf, u_buf, v_buf, rgb_buf, n); \
|
|
I420TORGB_C(y_buf + n, \
|
|
u_buf + (n >> 1), \
|
|
v_buf + (n >> 1), \
|
|
rgb_buf + n * 4, width & 7); \
|
|
}
|
|
|
|
#if defined(HAS_I420TOARGBROW_SSSE3)
|
|
YUVANY(I420ToARGBRow_Any_SSSE3, I420ToARGBRow_Unaligned_SSSE3, I420ToARGBRow_C)
|
|
YUVANY(I420ToBGRARow_Any_SSSE3, I420ToBGRARow_Unaligned_SSSE3, I420ToBGRARow_C)
|
|
YUVANY(I420ToABGRRow_Any_SSSE3, I420ToABGRRow_Unaligned_SSSE3, I420ToABGRRow_C)
|
|
#endif
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
YUVANY(I420ToARGBRow_Any_NEON, I420ToARGBRow_NEON, I420ToARGBRow_C)
|
|
YUVANY(I420ToBGRARow_Any_NEON, I420ToBGRARow_NEON, I420ToBGRARow_C)
|
|
YUVANY(I420ToABGRRow_Any_NEON, I420ToABGRRow_NEON, I420ToABGRRow_C)
|
|
#endif
|
|
#undef YUVANY
|
|
|
|
#define RGBANY(NAMEANY, ARGBTORGB, BPP) \
|
|
void NAMEANY(const uint8* argb_buf, \
|
|
uint8* rgb_buf, \
|
|
int width) { \
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]); \
|
|
ARGBTORGB(argb_buf, row, width); \
|
|
memcpy(rgb_buf, row, width * BPP); \
|
|
}
|
|
|
|
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
|
|
RGBANY(ARGBToRGB24Row_Any_SSSE3, ARGBToRGB24Row_SSSE3, 3)
|
|
RGBANY(ARGBToRAWRow_Any_SSSE3, ARGBToRAWRow_SSSE3, 3)
|
|
RGBANY(ARGBToRGB565Row_Any_SSE2, ARGBToRGB565Row_SSE2, 2)
|
|
RGBANY(ARGBToARGB1555Row_Any_SSE2, ARGBToARGB1555Row_SSE2, 2)
|
|
RGBANY(ARGBToARGB4444Row_Any_SSE2, ARGBToARGB4444Row_SSE2, 2)
|
|
#endif
|
|
#undef RGBANY
|
|
|
|
#ifdef HAS_ARGBTOYROW_SSSE3
|
|
#define YANY(NAMEANY, ARGBTOY_SSE, BPP) \
|
|
void NAMEANY(const uint8* src_argb, uint8* dst_y, int width) { \
|
|
ARGBTOY_SSE(src_argb, dst_y, width - 16); \
|
|
ARGBTOY_SSE(src_argb + (width - 16) * BPP, dst_y + (width - 16), 16); \
|
|
}
|
|
|
|
YANY(ARGBToYRow_Any_SSSE3, ARGBToYRow_Unaligned_SSSE3, 4)
|
|
YANY(BGRAToYRow_Any_SSSE3, BGRAToYRow_Unaligned_SSSE3, 4)
|
|
YANY(ABGRToYRow_Any_SSSE3, ABGRToYRow_Unaligned_SSSE3, 4)
|
|
YANY(YUY2ToYRow_Any_SSE2, YUY2ToYRow_Unaligned_SSE2, 2)
|
|
YANY(UYVYToYRow_Any_SSE2, UYVYToYRow_Unaligned_SSE2, 2)
|
|
#undef YANY
|
|
|
|
#define UVANY(NAMEANY, ARGBTOUV_SSE, ARGBTOUV_C, BPP) \
|
|
void NAMEANY(const uint8* src_argb, int src_stride_argb, \
|
|
uint8* dst_u, uint8* dst_v, int width) { \
|
|
int n = width & ~15; \
|
|
ARGBTOUV_SSE(src_argb, src_stride_argb, dst_u, dst_v, n); \
|
|
ARGBTOUV_C(src_argb + n * BPP, src_stride_argb, \
|
|
dst_u + (n >> 1), \
|
|
dst_v + (n >> 1), \
|
|
width & 15); \
|
|
}
|
|
|
|
UVANY(ARGBToUVRow_Any_SSSE3, ARGBToUVRow_Unaligned_SSSE3, ARGBToUVRow_C, 4)
|
|
UVANY(BGRAToUVRow_Any_SSSE3, BGRAToUVRow_Unaligned_SSSE3, BGRAToUVRow_C, 4)
|
|
UVANY(ABGRToUVRow_Any_SSSE3, ABGRToUVRow_Unaligned_SSSE3, ABGRToUVRow_C, 4)
|
|
UVANY(YUY2ToUVRow_Any_SSE2, YUY2ToUVRow_Unaligned_SSE2, YUY2ToUVRow_C, 2)
|
|
UVANY(UYVYToUVRow_Any_SSE2, UYVYToUVRow_Unaligned_SSE2, UYVYToUVRow_C, 2)
|
|
#undef UVANY
|
|
#endif
|
|
|
|
// Multiply source RGB by alpha and store to destination.
|
|
// b = (b * a + 127) / 255;
|
|
void ARGBAttenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width - 1; i += 2) {
|
|
uint32 b = src_argb[0];
|
|
uint32 g = src_argb[1];
|
|
uint32 r = src_argb[2];
|
|
uint32 a = src_argb[3];
|
|
dst_argb[0] = (b * a + 255) >> 8;
|
|
dst_argb[1] = (g * a + 255) >> 8;
|
|
dst_argb[2] = (r * a + 255) >> 8;
|
|
dst_argb[3] = a;
|
|
b = src_argb[4];
|
|
g = src_argb[5];
|
|
r = src_argb[6];
|
|
a = src_argb[7];
|
|
dst_argb[4] = (b * a + 255) >> 8;
|
|
dst_argb[5] = (g * a + 255) >> 8;
|
|
dst_argb[6] = (r * a + 255) >> 8;
|
|
dst_argb[7] = a;
|
|
src_argb += 8;
|
|
dst_argb += 8;
|
|
}
|
|
|
|
if (width & 1) {
|
|
const uint32 b = src_argb[0];
|
|
const uint32 g = src_argb[1];
|
|
const uint32 r = src_argb[2];
|
|
const uint32 a = src_argb[3];
|
|
dst_argb[0] = (b * a + 255) >> 8;
|
|
dst_argb[1] = (g * a + 255) >> 8;
|
|
dst_argb[2] = (r * a + 255) >> 8;
|
|
dst_argb[3] = a;
|
|
}
|
|
}
|
|
|
|
// 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
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|