1134 lines
34 KiB
C++
1134 lines
34 KiB
C++
/*
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* Copyright 2012 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/convert_from_argb.h"
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#include "libyuv/basic_types.h"
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#include "libyuv/cpu_id.h"
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#include "libyuv/format_conversion.h"
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#include "libyuv/planar_functions.h"
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#include "libyuv/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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// ARGB little endian (bgra in memory) to I444
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LIBYUV_API
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int ARGBToI444(const uint8* src_argb, int src_stride_argb,
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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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int y;
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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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void (*ARGBToUV444Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
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int pix) = ARGBToUV444Row_C;
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if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
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return -1;
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}
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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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// Coalesce rows.
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if (src_stride_argb == width * 4 &&
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dst_stride_y == width &&
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dst_stride_u == width &&
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dst_stride_v == width) {
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width *= height;
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height = 1;
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src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
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}
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#if defined(HAS_ARGBTOUV444ROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToUV444Row = ARGBToUV444Row_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToUV444Row = ARGBToUV444Row_Unaligned_SSSE3;
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if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
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ARGBToUV444Row = ARGBToUV444Row_SSSE3;
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}
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}
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}
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#elif defined(HAS_ARGBTOUV444ROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
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ARGBToUV444Row = ARGBToUV444Row_Any_NEON;
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if (IS_ALIGNED(width, 8)) {
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ARGBToUV444Row = ARGBToUV444Row_NEON;
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}
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}
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#endif
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#if defined(HAS_ARGBTOYROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToYRow = ARGBToYRow_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
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if (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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}
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}
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#elif defined(HAS_ARGBTOYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
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ARGBToYRow = ARGBToYRow_Any_NEON;
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if (IS_ALIGNED(width, 8)) {
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ARGBToYRow = ARGBToYRow_NEON;
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}
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}
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#endif
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for (y = 0; y < height; ++y) {
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ARGBToUV444Row(src_argb, dst_u, dst_v, width);
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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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dst_u += dst_stride_u;
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dst_v += dst_stride_v;
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}
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return 0;
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}
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// ARGB little endian (bgra in memory) to I422
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LIBYUV_API
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int ARGBToI422(const uint8* src_argb, int src_stride_argb,
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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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int y;
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void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
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int pix) = ARGBToUV422Row_C;
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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 (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
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return -1;
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}
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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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// Coalesce rows.
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if (src_stride_argb == width * 4 &&
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dst_stride_y == width &&
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dst_stride_u * 2 == width &&
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dst_stride_v * 2 == width) {
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width *= height;
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height = 1;
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src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
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}
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#if defined(HAS_ARGBTOUV422ROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToUV422Row = ARGBToUV422Row_Unaligned_SSSE3;
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if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
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ARGBToUV422Row = ARGBToUV422Row_SSSE3;
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}
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}
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}
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#elif defined(HAS_ARGBTOUV422ROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
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ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
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if (IS_ALIGNED(width, 16)) {
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ARGBToUV422Row = ARGBToUV422Row_NEON;
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}
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}
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#endif
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#if defined(HAS_ARGBTOYROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToYRow = ARGBToYRow_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
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if (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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}
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}
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#elif defined(HAS_ARGBTOYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
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ARGBToYRow = ARGBToYRow_Any_NEON;
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if (IS_ALIGNED(width, 8)) {
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ARGBToYRow = ARGBToYRow_NEON;
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}
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}
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#endif
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for (y = 0; y < height; ++y) {
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ARGBToUV422Row(src_argb, dst_u, dst_v, width);
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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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dst_u += dst_stride_u;
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dst_v += dst_stride_v;
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}
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return 0;
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}
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// ARGB little endian (bgra in memory) to I411
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LIBYUV_API
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int ARGBToI411(const uint8* src_argb, int src_stride_argb,
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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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int y;
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void (*ARGBToUV411Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
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int pix) = ARGBToUV411Row_C;
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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 (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
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return -1;
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}
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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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// Coalesce rows.
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if (src_stride_argb == width * 4 &&
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dst_stride_y == width &&
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dst_stride_u * 4 == width &&
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dst_stride_v * 4 == width) {
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width *= height;
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height = 1;
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src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
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}
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#if defined(HAS_ARGBTOYROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToYRow = ARGBToYRow_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
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if (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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}
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}
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#endif
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#if defined(HAS_ARGBTOYROW_AVX2)
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if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
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ARGBToYRow = ARGBToYRow_Any_AVX2;
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if (IS_ALIGNED(width, 32)) {
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ARGBToYRow = ARGBToYRow_AVX2;
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}
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}
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#endif
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#if defined(HAS_ARGBTOYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
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ARGBToYRow = ARGBToYRow_Any_NEON;
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if (IS_ALIGNED(width, 8)) {
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ARGBToYRow = ARGBToYRow_NEON;
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}
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}
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#endif
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#if defined(HAS_ARGBTOUV411ROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 32) {
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ARGBToUV411Row = ARGBToUV411Row_Any_NEON;
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if (IS_ALIGNED(width, 32)) {
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ARGBToUV411Row = ARGBToUV411Row_NEON;
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}
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}
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#endif
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for (y = 0; y < height; ++y) {
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ARGBToUV411Row(src_argb, dst_u, dst_v, width);
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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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dst_u += dst_stride_u;
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dst_v += dst_stride_v;
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}
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return 0;
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}
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LIBYUV_API
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int ARGBToNV12(const uint8* src_argb, int src_stride_argb,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_uv, int dst_stride_uv,
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int width, int height) {
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int y;
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int halfwidth = (width + 1) >> 1;
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void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
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uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
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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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void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
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int width) = MergeUVRow_C;
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if (!src_argb ||
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!dst_y || !dst_uv ||
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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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#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
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ARGBToYRow = ARGBToYRow_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToUVRow = ARGBToUVRow_Unaligned_SSSE3;
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ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
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if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
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ARGBToUVRow = ARGBToUVRow_SSSE3;
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if (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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}
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}
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}
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#elif defined(HAS_ARGBTOYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
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ARGBToYRow = ARGBToYRow_Any_NEON;
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if (IS_ALIGNED(width, 8)) {
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ARGBToYRow = ARGBToYRow_NEON;
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}
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}
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#endif
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#if defined(HAS_ARGBTOUVROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
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ARGBToUVRow = ARGBToUVRow_Any_NEON;
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if (IS_ALIGNED(width, 16)) {
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ARGBToUVRow = ARGBToUVRow_NEON;
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}
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}
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#endif
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#if defined(HAS_MERGEUVROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
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MergeUVRow_ = MergeUVRow_Any_SSE2;
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if (IS_ALIGNED(halfwidth, 16)) {
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MergeUVRow_ = MergeUVRow_Unaligned_SSE2;
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if (IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
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MergeUVRow_ = MergeUVRow_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_MERGEUVROW_AVX2)
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if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
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MergeUVRow_ = MergeUVRow_Any_AVX2;
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if (IS_ALIGNED(halfwidth, 32)) {
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MergeUVRow_ = MergeUVRow_AVX2;
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}
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}
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#endif
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#if defined(HAS_MERGEUVROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
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MergeUVRow_ = MergeUVRow_Any_NEON;
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if (IS_ALIGNED(halfwidth, 16)) {
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MergeUVRow_ = MergeUVRow_NEON;
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}
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}
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#endif
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{
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// Allocate a rows of uv.
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align_buffer_64(row_u, ((halfwidth + 15) & ~15) * 2);
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uint8* row_v = row_u + ((halfwidth + 15) & ~15);
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for (y = 0; y < height - 1; y += 2) {
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ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
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MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
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ARGBToYRow(src_argb, dst_y, width);
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ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
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src_argb += src_stride_argb * 2;
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dst_y += dst_stride_y * 2;
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dst_uv += dst_stride_uv;
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}
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if (height & 1) {
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ARGBToUVRow(src_argb, 0, row_u, row_v, width);
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MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
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ARGBToYRow(src_argb, dst_y, width);
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}
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free_aligned_buffer_64(row_u);
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}
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return 0;
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}
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// Same as NV12 but U and V swapped.
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LIBYUV_API
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int ARGBToNV21(const uint8* src_argb, int src_stride_argb,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_uv, int dst_stride_uv,
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int width, int height) {
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int y;
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int halfwidth = (width + 1) >> 1;
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void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
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uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
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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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void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
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int width) = MergeUVRow_C;
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if (!src_argb ||
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!dst_y || !dst_uv ||
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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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#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
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ARGBToYRow = ARGBToYRow_Any_SSSE3;
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if (IS_ALIGNED(width, 16)) {
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ARGBToUVRow = ARGBToUVRow_Unaligned_SSSE3;
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ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
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if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
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ARGBToUVRow = ARGBToUVRow_SSSE3;
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if (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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}
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}
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}
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#elif defined(HAS_ARGBTOYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
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ARGBToYRow = ARGBToYRow_Any_NEON;
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if (IS_ALIGNED(width, 8)) {
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ARGBToYRow = ARGBToYRow_NEON;
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}
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}
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#endif
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#if defined(HAS_ARGBTOUVROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
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ARGBToUVRow = ARGBToUVRow_Any_NEON;
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|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_MERGEUVROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
|
|
MergeUVRow_ = MergeUVRow_Any_SSE2;
|
|
if (IS_ALIGNED(halfwidth, 16)) {
|
|
MergeUVRow_ = MergeUVRow_Unaligned_SSE2;
|
|
if (IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
|
|
MergeUVRow_ = MergeUVRow_SSE2;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_MERGEUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
|
|
MergeUVRow_ = MergeUVRow_Any_AVX2;
|
|
if (IS_ALIGNED(halfwidth, 32)) {
|
|
MergeUVRow_ = MergeUVRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_MERGEUVROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
|
|
MergeUVRow_ = MergeUVRow_Any_NEON;
|
|
if (IS_ALIGNED(halfwidth, 16)) {
|
|
MergeUVRow_ = MergeUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
// Allocate a rows of uv.
|
|
align_buffer_64(row_u, ((halfwidth + 15) & ~15) * 2);
|
|
uint8* row_v = row_u + ((halfwidth + 15) & ~15);
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
|
|
MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
|
|
ARGBToYRow(src_argb, dst_y, width);
|
|
ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
|
|
src_argb += src_stride_argb * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_uv += dst_stride_uv;
|
|
}
|
|
if (height & 1) {
|
|
ARGBToUVRow(src_argb, 0, row_u, row_v, width);
|
|
MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
|
|
ARGBToYRow(src_argb, dst_y, width);
|
|
}
|
|
free_aligned_buffer_64(row_u);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB to YUY2.
|
|
LIBYUV_API
|
|
int ARGBToYUY2(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_yuy2, int dst_stride_yuy2,
|
|
int width, int height) {
|
|
int y;
|
|
void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
|
|
int pix) = ARGBToUV422Row_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
|
|
ARGBToYRow_C;
|
|
void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_yuy2, int width) = I422ToYUY2Row_C;
|
|
|
|
if (!src_argb || !dst_yuy2 ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
|
|
dst_stride_yuy2 = -dst_stride_yuy2;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_yuy2 == width * 2) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_yuy2 = 0;
|
|
}
|
|
#if defined(HAS_ARGBTOUV422ROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUV422Row = ARGBToUV422Row_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToUV422Row = ARGBToUV422Row_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTOUV422ROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
|
|
ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUV422Row = ARGBToUV422Row_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToYRow = ARGBToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToYRow = ARGBToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(HAS_I422TOYUY2ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
|
|
I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I422ToYUY2Row = I422ToYUY2Row_SSE2;
|
|
}
|
|
}
|
|
#elif defined(HAS_I422TOYUY2ROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
|
|
I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I422ToYUY2Row = I422ToYUY2Row_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
{
|
|
// Allocate a rows of yuv.
|
|
align_buffer_64(row_y, ((width + 63) & ~63) * 2);
|
|
uint8* row_u = row_y + ((width + 63) & ~63);
|
|
uint8* row_v = row_u + ((width + 63) & ~63) / 2;
|
|
|
|
for (y = 0; y < height; ++y) {
|
|
ARGBToUV422Row(src_argb, row_u, row_v, width);
|
|
ARGBToYRow(src_argb, row_y, width);
|
|
I422ToYUY2Row(row_y, row_u, row_v, dst_yuy2, width);
|
|
src_argb += src_stride_argb;
|
|
dst_yuy2 += dst_stride_yuy2;
|
|
}
|
|
|
|
free_aligned_buffer_64(row_y);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB to UYVY.
|
|
LIBYUV_API
|
|
int ARGBToUYVY(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_uyvy, int dst_stride_uyvy,
|
|
int width, int height) {
|
|
int y;
|
|
void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
|
|
int pix) = ARGBToUV422Row_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
|
|
ARGBToYRow_C;
|
|
void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_uyvy, int width) = I422ToUYVYRow_C;
|
|
|
|
if (!src_argb || !dst_uyvy ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
|
|
dst_stride_uyvy = -dst_stride_uyvy;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_uyvy == width * 2) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_uyvy = 0;
|
|
}
|
|
#if defined(HAS_ARGBTOUV422ROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUV422Row = ARGBToUV422Row_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToUV422Row = ARGBToUV422Row_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTOUV422ROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
|
|
ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUV422Row = ARGBToUV422Row_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToYRow = ARGBToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToYRow = ARGBToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(HAS_I422TOUYVYROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
|
|
I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I422ToUYVYRow = I422ToUYVYRow_SSE2;
|
|
}
|
|
}
|
|
#elif defined(HAS_I422TOUYVYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
|
|
I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I422ToUYVYRow = I422ToUYVYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
{
|
|
// Allocate a rows of yuv.
|
|
align_buffer_64(row_y, ((width + 63) & ~63) * 2);
|
|
uint8* row_u = row_y + ((width + 63) & ~63);
|
|
uint8* row_v = row_u + ((width + 63) & ~63) / 2;
|
|
|
|
for (y = 0; y < height; ++y) {
|
|
ARGBToUV422Row(src_argb, row_u, row_v, width);
|
|
ARGBToYRow(src_argb, row_y, width);
|
|
I422ToUYVYRow(row_y, row_u, row_v, dst_uyvy, width);
|
|
src_argb += src_stride_argb;
|
|
dst_uyvy += dst_stride_uyvy;
|
|
}
|
|
|
|
free_aligned_buffer_64(row_y);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// 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) {
|
|
int y;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
|
|
ARGBToYRow_C;
|
|
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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_y == width) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_y = 0;
|
|
}
|
|
#if defined(HAS_ARGBTOYROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
|
|
if (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
|
|
#if defined(HAS_ARGBTOYROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToYRow = ARGBToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToYRow = ARGBToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height; ++y) {
|
|
ARGBToYRow(src_argb, dst_y, width);
|
|
src_argb += src_stride_argb;
|
|
dst_y += dst_stride_y;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Shuffle table for converting ARGB to RGBA.
|
|
static uvec8 kShuffleMaskARGBToRGBA = {
|
|
3u, 0u, 1u, 2u, 7u, 4u, 5u, 6u, 11u, 8u, 9u, 10u, 15u, 12u, 13u, 14u
|
|
};
|
|
|
|
// 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) {
|
|
return ARGBShuffle(src_argb, src_stride_argb,
|
|
dst_rgba, dst_stride_rgba,
|
|
(const uint8*)(&kShuffleMaskARGBToRGBA),
|
|
width, height);
|
|
}
|
|
|
|
// 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) {
|
|
int y;
|
|
void (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToRGB24Row_C;
|
|
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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_rgb24 == width * 3) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_rgb24 = 0;
|
|
}
|
|
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 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 (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) {
|
|
int y;
|
|
void (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToRAWRow_C;
|
|
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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_raw == width * 3) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_raw = 0;
|
|
}
|
|
#if defined(HAS_ARGBTORAWROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 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 (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) {
|
|
int y;
|
|
void (*ARGBToRGB565Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToRGB565Row_C;
|
|
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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_rgb565 == width * 2) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_rgb565 = 0;
|
|
}
|
|
#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;
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTORGB565ROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToRGB565Row = ARGBToRGB565Row_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToRGB565Row = ARGBToRGB565Row_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (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) {
|
|
int y;
|
|
void (*ARGBToARGB1555Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToARGB1555Row_C;
|
|
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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_argb1555 == width * 2) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_argb1555 = 0;
|
|
}
|
|
#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;
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTOARGB1555ROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToARGB1555Row = ARGBToARGB1555Row_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToARGB1555Row = ARGBToARGB1555Row_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (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) {
|
|
int y;
|
|
void (*ARGBToARGB4444Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToARGB4444Row_C;
|
|
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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_argb4444 == width * 2) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_argb4444 = 0;
|
|
}
|
|
#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;
|
|
}
|
|
}
|
|
#elif defined(HAS_ARGBTOARGB4444ROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToARGB4444Row = ARGBToARGB4444Row_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height; ++y) {
|
|
ARGBToARGB4444Row(src_argb, dst_argb4444, width);
|
|
src_argb += src_stride_argb;
|
|
dst_argb4444 += dst_stride_argb4444;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB to J420. (JPeg full range I420).
|
|
LIBYUV_API
|
|
int ARGBToJ420(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_yj, int dst_stride_yj,
|
|
uint8* dst_u, int dst_stride_u,
|
|
uint8* dst_v, int dst_stride_v,
|
|
int width, int height) {
|
|
int y;
|
|
void (*ARGBToUVJRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVJRow_C;
|
|
void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_yj, int pix) =
|
|
ARGBToYJRow_C;
|
|
if (!src_argb ||
|
|
!dst_yj || !dst_u || !dst_v ||
|
|
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;
|
|
}
|
|
#if defined(HAS_ARGBTOYJROW_SSSE3) && defined(HAS_ARGBTOUVJROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToUVJRow = ARGBToUVJRow_Any_SSSE3;
|
|
ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVJRow = ARGBToUVJRow_Unaligned_SSSE3;
|
|
ARGBToYJRow = ARGBToYJRow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
|
|
ARGBToUVJRow = ARGBToUVJRow_SSSE3;
|
|
if (IS_ALIGNED(dst_yj, 16) && IS_ALIGNED(dst_stride_yj, 16)) {
|
|
ARGBToYJRow = ARGBToYJRow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYJROW_AVX2) && defined(HAS_ARGBTOUVJROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
|
|
ARGBToYJRow = ARGBToYJRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToYJRow = ARGBToYJRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYJROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToYJRow = ARGBToYJRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToYJRow = ARGBToYJRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOUVJROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
|
|
ARGBToUVJRow = ARGBToUVJRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVJRow = ARGBToUVJRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
ARGBToUVJRow(src_argb, src_stride_argb, dst_u, dst_v, width);
|
|
ARGBToYJRow(src_argb, dst_yj, width);
|
|
ARGBToYJRow(src_argb + src_stride_argb, dst_yj + dst_stride_yj, width);
|
|
src_argb += src_stride_argb * 2;
|
|
dst_yj += dst_stride_yj * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
ARGBToUVJRow(src_argb, 0, dst_u, dst_v, width);
|
|
ARGBToYJRow(src_argb, dst_yj, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB to J400.
|
|
LIBYUV_API
|
|
int ARGBToJ400(const uint8* src_argb, int src_stride_argb,
|
|
uint8* dst_yj, int dst_stride_yj,
|
|
int width, int height) {
|
|
int y;
|
|
void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_yj, int pix) =
|
|
ARGBToYJRow_C;
|
|
if (!src_argb || !dst_yj || 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;
|
|
}
|
|
// Coalesce rows.
|
|
if (src_stride_argb == width * 4 &&
|
|
dst_stride_yj == width) {
|
|
width *= height;
|
|
height = 1;
|
|
src_stride_argb = dst_stride_yj = 0;
|
|
}
|
|
#if defined(HAS_ARGBTOYJROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
|
|
ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToYJRow = ARGBToYJRow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
|
|
IS_ALIGNED(dst_yj, 16) && IS_ALIGNED(dst_stride_yj, 16)) {
|
|
ARGBToYJRow = ARGBToYJRow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYJROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
|
|
ARGBToYJRow = ARGBToYJRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToYJRow = ARGBToYJRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYJROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
|
|
ARGBToYJRow = ARGBToYJRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToYJRow = ARGBToYJRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height; ++y) {
|
|
ARGBToYJRow(src_argb, dst_yj, width);
|
|
src_argb += src_stride_argb;
|
|
dst_yj += dst_stride_yj;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|