libyuv/source/convert_from_argb.cc
2012-10-11 23:10:53 +00:00

329 lines
10 KiB
C++

/*
* Copyright 2012 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "libyuv/convert_from_argb.h"
#include "libyuv/basic_types.h"
#include "libyuv/cpu_id.h"
#include "libyuv/format_conversion.h"
#include "libyuv/planar_functions.h"
#include "libyuv/row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// Convert ARGB to I400.
LIBYUV_API
int ARGBToI400(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
int width, int height) {
if (!src_argb || !dst_y || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) &&
IS_ALIGNED(width, 4) &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
#endif
for (int y = 0; y < height; ++y) {
ARGBToYRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
}
return 0;
}
// ARGB little endian (bgra in memory) to I422
// same as I420 except UV plane is full height
LIBYUV_API
int ARGBToI422(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int width, int height) {
if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
if (width > 16) {
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
ARGBToYRow = ARGBToYRow_Any_SSSE3;
}
if (IS_ALIGNED(width, 16)) {
ARGBToUVRow = ARGBToUVRow_Unaligned_SSSE3;
ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
ARGBToUVRow = ARGBToUVRow_SSSE3;
if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
}
}
#endif
for (int y = 0; y < height; ++y) {
ARGBToUVRow(src_argb, 0, dst_u, dst_v, width);
ARGBToYRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
// Convert ARGB to RGBA.
LIBYUV_API
int ARGBToRGBA(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgba, int dst_stride_rgba,
int width, int height) {
if (!src_argb || !dst_rgba ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBToRGBARow)(const uint8* src_argb, uint8* dst_rgba, int pix) =
ARGBToRGBARow_C;
#if defined(HAS_ARGBTORGBAROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) &&
IS_ALIGNED(width, 4) &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_rgba, 16) && IS_ALIGNED(dst_stride_rgba, 16)) {
ARGBToRGBARow = ARGBToRGBARow_SSSE3;
}
#elif defined(HAS_ARGBTORGBAROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBToRGBARow = ARGBToRGBARow_NEON;
}
#endif
for (int y = 0; y < height; ++y) {
ARGBToRGBARow(src_argb, dst_rgba, width);
src_argb += src_stride_argb;
dst_rgba += dst_stride_rgba;
}
return 0;
}
// Convert ARGB To RGB24.
LIBYUV_API
int ARGBToRGB24(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgb24, int dst_stride_rgb24,
int width, int height) {
if (!src_argb || !dst_rgb24 || width <= 0 || height == 0) {
return -1;
}
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) && width >= 16 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_rgb24, 16) && IS_ALIGNED(dst_stride_rgb24, 16)) {
ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
}
}
#elif defined(HAS_ARGBTORGB24ROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
ARGBToRGB24Row = ARGBToRGB24Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToRGB24Row = ARGBToRGB24Row_NEON;
}
}
#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.
LIBYUV_API
int ARGBToRAW(const uint8* src_argb, int src_stride_argb,
uint8* dst_raw, int dst_stride_raw,
int width, int height) {
if (!src_argb || !dst_raw || width <= 0 || height == 0) {
return -1;
}
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) && width >= 16 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_raw, 16) && IS_ALIGNED(dst_stride_raw, 16)) {
ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToRAWRow = ARGBToRAWRow_SSSE3;
}
}
#elif defined(HAS_ARGBTORAWROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
ARGBToRAWRow = ARGBToRAWRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToRAWRow = ARGBToRAWRow_NEON;
}
}
#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 ARGB To RGB565.
LIBYUV_API
int ARGBToRGB565(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgb565, int dst_stride_rgb565,
int width, int height) {
if (!src_argb || !dst_rgb565 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBToRGB565Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToRGB565Row_C;
#if defined(HAS_ARGBTORGB565ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && width >= 4 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
ARGBToRGB565Row = ARGBToRGB565Row_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
}
}
#endif
for (int y = 0; y < height; ++y) {
ARGBToRGB565Row(src_argb, dst_rgb565, width);
src_argb += src_stride_argb;
dst_rgb565 += dst_stride_rgb565;
}
return 0;
}
// Convert ARGB To ARGB1555.
LIBYUV_API
int ARGBToARGB1555(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb1555, int dst_stride_argb1555,
int width, int height) {
if (!src_argb || !dst_argb1555 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBToARGB1555Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToARGB1555Row_C;
#if defined(HAS_ARGBTOARGB1555ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && width >= 4 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_SSE2;
}
}
#endif
for (int y = 0; y < height; ++y) {
ARGBToARGB1555Row(src_argb, dst_argb1555, width);
src_argb += src_stride_argb;
dst_argb1555 += dst_stride_argb1555;
}
return 0;
}
// Convert ARGB To ARGB4444.
LIBYUV_API
int ARGBToARGB4444(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb4444, int dst_stride_argb4444,
int width, int height) {
if (!src_argb || !dst_argb4444 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBToARGB4444Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToARGB4444Row_C;
#if defined(HAS_ARGBTOARGB4444ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && width >= 4 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_SSE2;
}
}
#endif
for (int y = 0; y < height; ++y) {
ARGBToARGB4444Row(src_argb, dst_argb4444, width);
src_argb += src_stride_argb;
dst_argb4444 += dst_stride_argb4444;
}
return 0;
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif