6d7a9f3e9c
Fixes color issue when scaling without breaking mingw. BUG=https://bugs.chromium.org/p/libyuv/issues/detail?id=605 BUG=https://bugs.chromium.org/p/webm/issues/detail?id=1252 Change-Id: I09437d93fd65964ad57113274d8c819f3eaf2e57
1428 lines
45 KiB
C++
1428 lines
45 KiB
C++
/*
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* Copyright 2011 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "libyuv/convert.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/planar_functions.h"
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#include "libyuv/rotate.h"
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#include "libyuv/scale.h" // For ScalePlane()
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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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#define SUBSAMPLE(v, a, s) (v < 0) ? (-((-v + a) >> s)) : ((v + a) >> s)
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static __inline int Abs(int v) {
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return v >= 0 ? v : -v;
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}
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// Any I4xx To I420 format with mirroring.
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static int I4xxToI420(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int src_y_width, int src_y_height,
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int src_uv_width, int src_uv_height) {
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const int dst_y_width = Abs(src_y_width);
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const int dst_y_height = Abs(src_y_height);
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const int dst_uv_width = SUBSAMPLE(dst_y_width, 1, 1);
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const int dst_uv_height = SUBSAMPLE(dst_y_height, 1, 1);
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if (src_uv_width == 0 || src_uv_height == 0) {
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return -1;
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}
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if (dst_y) {
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ScalePlane(src_y, src_stride_y, src_y_width, src_y_height,
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dst_y, dst_stride_y, dst_y_width, dst_y_height,
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kFilterBilinear);
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}
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ScalePlane(src_u, src_stride_u, src_uv_width, src_uv_height,
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dst_u, dst_stride_u, dst_uv_width, dst_uv_height,
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kFilterBilinear);
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ScalePlane(src_v, src_stride_v, src_uv_width, src_uv_height,
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dst_v, dst_stride_v, dst_uv_width, dst_uv_height,
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kFilterBilinear);
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return 0;
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}
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// Copy I420 with optional flipping
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// TODO(fbarchard): Use Scale plane which supports mirroring, but ensure
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// is does row coalescing.
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LIBYUV_API
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int I420Copy(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height) {
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int halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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if (!src_u || !src_v ||
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!dst_u || !dst_v ||
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width <= 0 || height == 0) {
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return -1;
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}
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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halfheight = (height + 1) >> 1;
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src_y = src_y + (height - 1) * src_stride_y;
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src_u = src_u + (halfheight - 1) * src_stride_u;
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src_v = src_v + (halfheight - 1) * src_stride_v;
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src_stride_y = -src_stride_y;
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src_stride_u = -src_stride_u;
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src_stride_v = -src_stride_v;
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}
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if (dst_y) {
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CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
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}
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// Copy UV planes.
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CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, halfheight);
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CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, halfheight);
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return 0;
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}
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// 422 chroma is 1/2 width, 1x height
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// 420 chroma is 1/2 width, 1/2 height
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LIBYUV_API
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int I422ToI420(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height) {
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const int src_uv_width = SUBSAMPLE(width, 1, 1);
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return I4xxToI420(src_y, src_stride_y,
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src_u, src_stride_u,
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src_v, src_stride_v,
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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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width, height,
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src_uv_width, height);
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}
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// 444 chroma is 1x width, 1x height
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// 420 chroma is 1/2 width, 1/2 height
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LIBYUV_API
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int I444ToI420(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height) {
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return I4xxToI420(src_y, src_stride_y,
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src_u, src_stride_u,
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src_v, src_stride_v,
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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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width, height,
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width, height);
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}
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// 411 chroma is 1/4 width, 1x height
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// 420 chroma is 1/2 width, 1/2 height
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LIBYUV_API
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int I411ToI420(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height) {
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const int src_uv_width = SUBSAMPLE(width, 3, 2);
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return I4xxToI420(src_y, src_stride_y,
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src_u, src_stride_u,
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src_v, src_stride_v,
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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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width, height,
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src_uv_width, height);
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}
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// I400 is greyscale typically used in MJPG
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LIBYUV_API
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int I400ToI420(const uint8* src_y, int src_stride_y,
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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 halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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if (!dst_u || !dst_v ||
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width <= 0 || height == 0) {
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return -1;
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}
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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halfheight = (height + 1) >> 1;
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src_y = src_y + (height - 1) * src_stride_y;
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src_stride_y = -src_stride_y;
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}
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if (dst_y) {
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CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
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}
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SetPlane(dst_u, dst_stride_u, halfwidth, halfheight, 128);
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SetPlane(dst_v, dst_stride_v, halfwidth, halfheight, 128);
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return 0;
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}
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static void CopyPlane2(const uint8* src, int src_stride_0, int src_stride_1,
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uint8* dst, int dst_stride,
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int width, int height) {
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int y;
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void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
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#if defined(HAS_COPYROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2)) {
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CopyRow = IS_ALIGNED(width, 32) ? CopyRow_SSE2 : CopyRow_Any_SSE2;
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}
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#endif
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#if defined(HAS_COPYROW_AVX)
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if (TestCpuFlag(kCpuHasAVX)) {
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CopyRow = IS_ALIGNED(width, 64) ? CopyRow_AVX : CopyRow_Any_AVX;
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}
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#endif
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#if defined(HAS_COPYROW_ERMS)
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if (TestCpuFlag(kCpuHasERMS)) {
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CopyRow = CopyRow_ERMS;
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}
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#endif
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#if defined(HAS_COPYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON)) {
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CopyRow = IS_ALIGNED(width, 32) ? CopyRow_NEON : CopyRow_Any_NEON;
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}
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#endif
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#if defined(HAS_COPYROW_MIPS)
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if (TestCpuFlag(kCpuHasMIPS)) {
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CopyRow = CopyRow_MIPS;
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}
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#endif
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// Copy plane
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for (y = 0; y < height - 1; y += 2) {
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CopyRow(src, dst, width);
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CopyRow(src + src_stride_0, dst + dst_stride, width);
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src += src_stride_0 + src_stride_1;
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dst += dst_stride * 2;
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}
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if (height & 1) {
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CopyRow(src, dst, width);
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}
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}
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// Support converting from FOURCC_M420
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// Useful for bandwidth constrained transports like USB 1.0 and 2.0 and for
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// easy conversion to I420.
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// M420 format description:
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// M420 is row biplanar 420: 2 rows of Y and 1 row of UV.
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// Chroma is half width / half height. (420)
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// src_stride_m420 is row planar. Normally this will be the width in pixels.
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// The UV plane is half width, but 2 values, so src_stride_m420 applies to
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// this as well as the two Y planes.
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static int X420ToI420(const uint8* src_y,
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int src_stride_y0, int src_stride_y1,
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const uint8* src_uv, int src_stride_uv,
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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 halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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if (!src_uv || !dst_u || !dst_v ||
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width <= 0 || height == 0) {
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return -1;
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}
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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halfheight = (height + 1) >> 1;
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if (dst_y) {
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dst_y = dst_y + (height - 1) * dst_stride_y;
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}
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dst_u = dst_u + (halfheight - 1) * dst_stride_u;
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dst_v = dst_v + (halfheight - 1) * dst_stride_v;
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dst_stride_y = -dst_stride_y;
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dst_stride_u = -dst_stride_u;
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dst_stride_v = -dst_stride_v;
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}
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// Coalesce rows.
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if (src_stride_y0 == width &&
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src_stride_y1 == width &&
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dst_stride_y == width) {
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width *= height;
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height = 1;
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src_stride_y0 = src_stride_y1 = dst_stride_y = 0;
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}
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// Coalesce rows.
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if (src_stride_uv == halfwidth * 2 &&
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dst_stride_u == halfwidth &&
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dst_stride_v == halfwidth) {
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halfwidth *= halfheight;
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halfheight = 1;
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src_stride_uv = dst_stride_u = dst_stride_v = 0;
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}
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if (dst_y) {
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if (src_stride_y0 == src_stride_y1) {
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CopyPlane(src_y, src_stride_y0, dst_y, dst_stride_y, width, height);
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} else {
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CopyPlane2(src_y, src_stride_y0, src_stride_y1, dst_y, dst_stride_y,
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width, height);
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}
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}
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// Split UV plane - NV12 / NV21
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SplitUVPlane(src_uv, src_stride_uv, dst_u, dst_stride_u, dst_v, dst_stride_v,
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halfwidth, halfheight);
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return 0;
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}
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// Convert NV12 to I420.
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LIBYUV_API
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int NV12ToI420(const uint8* src_y, int src_stride_y,
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const uint8* src_uv, int src_stride_uv,
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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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return X420ToI420(src_y, src_stride_y, src_stride_y,
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src_uv, src_stride_uv,
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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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width, height);
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}
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// Convert NV21 to I420. Same as NV12 but u and v pointers swapped.
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LIBYUV_API
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int NV21ToI420(const uint8* src_y, int src_stride_y,
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const uint8* src_vu, int src_stride_vu,
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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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return X420ToI420(src_y, src_stride_y, src_stride_y,
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src_vu, src_stride_vu,
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dst_y, dst_stride_y,
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dst_v, dst_stride_v,
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dst_u, dst_stride_u,
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width, height);
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}
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// Convert M420 to I420.
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LIBYUV_API
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int M420ToI420(const uint8* src_m420, int src_stride_m420,
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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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return X420ToI420(src_m420, src_stride_m420, src_stride_m420 * 2,
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src_m420 + src_stride_m420 * 2, src_stride_m420 * 3,
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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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width, height);
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}
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// Convert YUY2 to I420.
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LIBYUV_API
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int YUY2ToI420(const uint8* src_yuy2, int src_stride_yuy2,
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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 (*YUY2ToUVRow)(const uint8* src_yuy2, int src_stride_yuy2,
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uint8* dst_u, uint8* dst_v, int width) = YUY2ToUVRow_C;
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void (*YUY2ToYRow)(const uint8* src_yuy2,
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uint8* dst_y, int width) = YUY2ToYRow_C;
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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_yuy2 = src_yuy2 + (height - 1) * src_stride_yuy2;
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src_stride_yuy2 = -src_stride_yuy2;
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}
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#if defined(HAS_YUY2TOYROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2)) {
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YUY2ToUVRow = YUY2ToUVRow_Any_SSE2;
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YUY2ToYRow = YUY2ToYRow_Any_SSE2;
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if (IS_ALIGNED(width, 16)) {
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YUY2ToUVRow = YUY2ToUVRow_SSE2;
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YUY2ToYRow = YUY2ToYRow_SSE2;
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}
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}
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#endif
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#if defined(HAS_YUY2TOYROW_AVX2)
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if (TestCpuFlag(kCpuHasAVX2)) {
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YUY2ToUVRow = YUY2ToUVRow_Any_AVX2;
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YUY2ToYRow = YUY2ToYRow_Any_AVX2;
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if (IS_ALIGNED(width, 32)) {
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YUY2ToUVRow = YUY2ToUVRow_AVX2;
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YUY2ToYRow = YUY2ToYRow_AVX2;
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}
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}
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#endif
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#if defined(HAS_YUY2TOYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON)) {
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YUY2ToYRow = YUY2ToYRow_Any_NEON;
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YUY2ToUVRow = YUY2ToUVRow_Any_NEON;
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if (IS_ALIGNED(width, 16)) {
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YUY2ToYRow = YUY2ToYRow_NEON;
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YUY2ToUVRow = YUY2ToUVRow_NEON;
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}
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}
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#endif
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for (y = 0; y < height - 1; y += 2) {
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YUY2ToUVRow(src_yuy2, src_stride_yuy2, dst_u, dst_v, width);
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YUY2ToYRow(src_yuy2, dst_y, width);
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YUY2ToYRow(src_yuy2 + src_stride_yuy2, dst_y + dst_stride_y, width);
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src_yuy2 += src_stride_yuy2 * 2;
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dst_y += dst_stride_y * 2;
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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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if (height & 1) {
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YUY2ToUVRow(src_yuy2, 0, dst_u, dst_v, width);
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YUY2ToYRow(src_yuy2, dst_y, width);
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}
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return 0;
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}
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// Convert UYVY to I420.
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LIBYUV_API
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int UYVYToI420(const uint8* src_uyvy, int src_stride_uyvy,
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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 (*UYVYToUVRow)(const uint8* src_uyvy, int src_stride_uyvy,
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uint8* dst_u, uint8* dst_v, int width) = UYVYToUVRow_C;
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void (*UYVYToYRow)(const uint8* src_uyvy,
|
|
uint8* dst_y, int width) = UYVYToYRow_C;
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_uyvy = src_uyvy + (height - 1) * src_stride_uyvy;
|
|
src_stride_uyvy = -src_stride_uyvy;
|
|
}
|
|
#if defined(HAS_UYVYTOYROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
UYVYToUVRow = UYVYToUVRow_Any_SSE2;
|
|
UYVYToYRow = UYVYToYRow_Any_SSE2;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
UYVYToUVRow = UYVYToUVRow_SSE2;
|
|
UYVYToYRow = UYVYToYRow_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_UYVYTOYROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
UYVYToUVRow = UYVYToUVRow_Any_AVX2;
|
|
UYVYToYRow = UYVYToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
UYVYToUVRow = UYVYToUVRow_AVX2;
|
|
UYVYToYRow = UYVYToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_UYVYTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
UYVYToYRow = UYVYToYRow_Any_NEON;
|
|
UYVYToUVRow = UYVYToUVRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
UYVYToYRow = UYVYToYRow_NEON;
|
|
UYVYToUVRow = UYVYToUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
UYVYToUVRow(src_uyvy, src_stride_uyvy, dst_u, dst_v, width);
|
|
UYVYToYRow(src_uyvy, dst_y, width);
|
|
UYVYToYRow(src_uyvy + src_stride_uyvy, dst_y + dst_stride_y, width);
|
|
src_uyvy += src_stride_uyvy * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
UYVYToUVRow(src_uyvy, 0, dst_u, dst_v, width);
|
|
UYVYToYRow(src_uyvy, dst_y, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB to I420.
|
|
LIBYUV_API
|
|
int ARGBToI420(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) {
|
|
int y;
|
|
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int width) =
|
|
ARGBToYRow_C;
|
|
if (!src_argb ||
|
|
!dst_y || !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_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToUVRow = ARGBToUVRow_AVX2;
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
ARGBToYRow = ARGBToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGBToYRow = ARGBToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOUVROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
ARGBToUVRow(src_argb, src_stride_argb, dst_u, dst_v, width);
|
|
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_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
ARGBToUVRow(src_argb, 0, dst_u, dst_v, width);
|
|
ARGBToYRow(src_argb, dst_y, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert BGRA to I420.
|
|
LIBYUV_API
|
|
int BGRAToI420(const uint8* src_bgra, int src_stride_bgra,
|
|
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) {
|
|
int y;
|
|
void (*BGRAToUVRow)(const uint8* src_bgra0, int src_stride_bgra,
|
|
uint8* dst_u, uint8* dst_v, int width) = BGRAToUVRow_C;
|
|
void (*BGRAToYRow)(const uint8* src_bgra, uint8* dst_y, int width) =
|
|
BGRAToYRow_C;
|
|
if (!src_bgra ||
|
|
!dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_bgra = src_bgra + (height - 1) * src_stride_bgra;
|
|
src_stride_bgra = -src_stride_bgra;
|
|
}
|
|
#if defined(HAS_BGRATOYROW_SSSE3) && defined(HAS_BGRATOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
BGRAToUVRow = BGRAToUVRow_Any_SSSE3;
|
|
BGRAToYRow = BGRAToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
BGRAToUVRow = BGRAToUVRow_SSSE3;
|
|
BGRAToYRow = BGRAToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_BGRATOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
BGRAToYRow = BGRAToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
BGRAToYRow = BGRAToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_BGRATOUVROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
BGRAToUVRow = BGRAToUVRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
BGRAToUVRow = BGRAToUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
BGRAToUVRow(src_bgra, src_stride_bgra, dst_u, dst_v, width);
|
|
BGRAToYRow(src_bgra, dst_y, width);
|
|
BGRAToYRow(src_bgra + src_stride_bgra, dst_y + dst_stride_y, width);
|
|
src_bgra += src_stride_bgra * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
BGRAToUVRow(src_bgra, 0, dst_u, dst_v, width);
|
|
BGRAToYRow(src_bgra, dst_y, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert ABGR to I420.
|
|
LIBYUV_API
|
|
int ABGRToI420(const uint8* src_abgr, int src_stride_abgr,
|
|
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) {
|
|
int y;
|
|
void (*ABGRToUVRow)(const uint8* src_abgr0, int src_stride_abgr,
|
|
uint8* dst_u, uint8* dst_v, int width) = ABGRToUVRow_C;
|
|
void (*ABGRToYRow)(const uint8* src_abgr, uint8* dst_y, int width) =
|
|
ABGRToYRow_C;
|
|
if (!src_abgr ||
|
|
!dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_abgr = src_abgr + (height - 1) * src_stride_abgr;
|
|
src_stride_abgr = -src_stride_abgr;
|
|
}
|
|
#if defined(HAS_ABGRTOYROW_SSSE3) && defined(HAS_ABGRTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ABGRToUVRow = ABGRToUVRow_Any_SSSE3;
|
|
ABGRToYRow = ABGRToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ABGRToUVRow = ABGRToUVRow_SSSE3;
|
|
ABGRToYRow = ABGRToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ABGRTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
ABGRToYRow = ABGRToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ABGRToYRow = ABGRToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ABGRTOUVROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
ABGRToUVRow = ABGRToUVRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ABGRToUVRow = ABGRToUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
ABGRToUVRow(src_abgr, src_stride_abgr, dst_u, dst_v, width);
|
|
ABGRToYRow(src_abgr, dst_y, width);
|
|
ABGRToYRow(src_abgr + src_stride_abgr, dst_y + dst_stride_y, width);
|
|
src_abgr += src_stride_abgr * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
ABGRToUVRow(src_abgr, 0, dst_u, dst_v, width);
|
|
ABGRToYRow(src_abgr, dst_y, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert RGBA to I420.
|
|
LIBYUV_API
|
|
int RGBAToI420(const uint8* src_rgba, int src_stride_rgba,
|
|
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) {
|
|
int y;
|
|
void (*RGBAToUVRow)(const uint8* src_rgba0, int src_stride_rgba,
|
|
uint8* dst_u, uint8* dst_v, int width) = RGBAToUVRow_C;
|
|
void (*RGBAToYRow)(const uint8* src_rgba, uint8* dst_y, int width) =
|
|
RGBAToYRow_C;
|
|
if (!src_rgba ||
|
|
!dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_rgba = src_rgba + (height - 1) * src_stride_rgba;
|
|
src_stride_rgba = -src_stride_rgba;
|
|
}
|
|
#if defined(HAS_RGBATOYROW_SSSE3) && defined(HAS_RGBATOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
RGBAToUVRow = RGBAToUVRow_Any_SSSE3;
|
|
RGBAToYRow = RGBAToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RGBAToUVRow = RGBAToUVRow_SSSE3;
|
|
RGBAToYRow = RGBAToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_RGBATOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
RGBAToYRow = RGBAToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
RGBAToYRow = RGBAToYRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_RGBATOUVROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
RGBAToUVRow = RGBAToUVRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RGBAToUVRow = RGBAToUVRow_NEON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
RGBAToUVRow(src_rgba, src_stride_rgba, dst_u, dst_v, width);
|
|
RGBAToYRow(src_rgba, dst_y, width);
|
|
RGBAToYRow(src_rgba + src_stride_rgba, dst_y + dst_stride_y, width);
|
|
src_rgba += src_stride_rgba * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
RGBAToUVRow(src_rgba, 0, dst_u, dst_v, width);
|
|
RGBAToYRow(src_rgba, dst_y, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert RGB24 to I420.
|
|
LIBYUV_API
|
|
int RGB24ToI420(const uint8* src_rgb24, int src_stride_rgb24,
|
|
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) {
|
|
int y;
|
|
#if defined(HAS_RGB24TOYROW_NEON)
|
|
void (*RGB24ToUVRow)(const uint8* src_rgb24, int src_stride_rgb24,
|
|
uint8* dst_u, uint8* dst_v, int width) = RGB24ToUVRow_C;
|
|
void (*RGB24ToYRow)(const uint8* src_rgb24, uint8* dst_y, int width) =
|
|
RGB24ToYRow_C;
|
|
#else
|
|
void (*RGB24ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int width) =
|
|
RGB24ToARGBRow_C;
|
|
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int width) =
|
|
ARGBToYRow_C;
|
|
#endif
|
|
if (!src_rgb24 || !dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_rgb24 = src_rgb24 + (height - 1) * src_stride_rgb24;
|
|
src_stride_rgb24 = -src_stride_rgb24;
|
|
}
|
|
|
|
// Neon version does direct RGB24 to YUV.
|
|
#if defined(HAS_RGB24TOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
RGB24ToUVRow = RGB24ToUVRow_Any_NEON;
|
|
RGB24ToYRow = RGB24ToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
RGB24ToYRow = RGB24ToYRow_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RGB24ToUVRow = RGB24ToUVRow_NEON;
|
|
}
|
|
}
|
|
}
|
|
// Other platforms do intermediate conversion from RGB24 to ARGB.
|
|
#else
|
|
#if defined(HAS_RGB24TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
RGB24ToARGBRow = RGB24ToARGBRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RGB24ToARGBRow = RGB24ToARGBRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToUVRow = ARGBToUVRow_AVX2;
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
// Allocate 2 rows of ARGB.
|
|
const int kRowSize = (width * 4 + 31) & ~31;
|
|
align_buffer_64(row, kRowSize * 2);
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
#if defined(HAS_RGB24TOYROW_NEON)
|
|
RGB24ToUVRow(src_rgb24, src_stride_rgb24, dst_u, dst_v, width);
|
|
RGB24ToYRow(src_rgb24, dst_y, width);
|
|
RGB24ToYRow(src_rgb24 + src_stride_rgb24, dst_y + dst_stride_y, width);
|
|
#else
|
|
RGB24ToARGBRow(src_rgb24, row, width);
|
|
RGB24ToARGBRow(src_rgb24 + src_stride_rgb24, row + kRowSize, width);
|
|
ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
|
|
#endif
|
|
src_rgb24 += src_stride_rgb24 * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
#if defined(HAS_RGB24TOYROW_NEON)
|
|
RGB24ToUVRow(src_rgb24, 0, dst_u, dst_v, width);
|
|
RGB24ToYRow(src_rgb24, dst_y, width);
|
|
#else
|
|
RGB24ToARGBRow(src_rgb24, row, width);
|
|
ARGBToUVRow(row, 0, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
#endif
|
|
}
|
|
#if !defined(HAS_RGB24TOYROW_NEON)
|
|
free_aligned_buffer_64(row);
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
// Convert RAW to I420.
|
|
LIBYUV_API
|
|
int RAWToI420(const uint8* src_raw, int src_stride_raw,
|
|
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) {
|
|
int y;
|
|
#if defined(HAS_RAWTOYROW_NEON)
|
|
void (*RAWToUVRow)(const uint8* src_raw, int src_stride_raw,
|
|
uint8* dst_u, uint8* dst_v, int width) = RAWToUVRow_C;
|
|
void (*RAWToYRow)(const uint8* src_raw, uint8* dst_y, int width) =
|
|
RAWToYRow_C;
|
|
#else
|
|
void (*RAWToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int width) =
|
|
RAWToARGBRow_C;
|
|
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int width) =
|
|
ARGBToYRow_C;
|
|
#endif
|
|
if (!src_raw || !dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_raw = src_raw + (height - 1) * src_stride_raw;
|
|
src_stride_raw = -src_stride_raw;
|
|
}
|
|
|
|
// Neon version does direct RAW to YUV.
|
|
#if defined(HAS_RAWTOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
RAWToUVRow = RAWToUVRow_Any_NEON;
|
|
RAWToYRow = RAWToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
RAWToYRow = RAWToYRow_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RAWToUVRow = RAWToUVRow_NEON;
|
|
}
|
|
}
|
|
}
|
|
// Other platforms do intermediate conversion from RAW to ARGB.
|
|
#else
|
|
#if defined(HAS_RAWTOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
RAWToARGBRow = RAWToARGBRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RAWToARGBRow = RAWToARGBRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToUVRow = ARGBToUVRow_AVX2;
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
// Allocate 2 rows of ARGB.
|
|
const int kRowSize = (width * 4 + 31) & ~31;
|
|
align_buffer_64(row, kRowSize * 2);
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
#if defined(HAS_RAWTOYROW_NEON)
|
|
RAWToUVRow(src_raw, src_stride_raw, dst_u, dst_v, width);
|
|
RAWToYRow(src_raw, dst_y, width);
|
|
RAWToYRow(src_raw + src_stride_raw, dst_y + dst_stride_y, width);
|
|
#else
|
|
RAWToARGBRow(src_raw, row, width);
|
|
RAWToARGBRow(src_raw + src_stride_raw, row + kRowSize, width);
|
|
ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
|
|
#endif
|
|
src_raw += src_stride_raw * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
#if defined(HAS_RAWTOYROW_NEON)
|
|
RAWToUVRow(src_raw, 0, dst_u, dst_v, width);
|
|
RAWToYRow(src_raw, dst_y, width);
|
|
#else
|
|
RAWToARGBRow(src_raw, row, width);
|
|
ARGBToUVRow(row, 0, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
#endif
|
|
}
|
|
#if !defined(HAS_RAWTOYROW_NEON)
|
|
free_aligned_buffer_64(row);
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
// Convert RGB565 to I420.
|
|
LIBYUV_API
|
|
int RGB565ToI420(const uint8* src_rgb565, int src_stride_rgb565,
|
|
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) {
|
|
int y;
|
|
#if defined(HAS_RGB565TOYROW_NEON)
|
|
void (*RGB565ToUVRow)(const uint8* src_rgb565, int src_stride_rgb565,
|
|
uint8* dst_u, uint8* dst_v, int width) = RGB565ToUVRow_C;
|
|
void (*RGB565ToYRow)(const uint8* src_rgb565, uint8* dst_y, int width) =
|
|
RGB565ToYRow_C;
|
|
#else
|
|
void (*RGB565ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int width) =
|
|
RGB565ToARGBRow_C;
|
|
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int width) =
|
|
ARGBToYRow_C;
|
|
#endif
|
|
if (!src_rgb565 || !dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_rgb565 = src_rgb565 + (height - 1) * src_stride_rgb565;
|
|
src_stride_rgb565 = -src_stride_rgb565;
|
|
}
|
|
|
|
// Neon version does direct RGB565 to YUV.
|
|
#if defined(HAS_RGB565TOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
RGB565ToUVRow = RGB565ToUVRow_Any_NEON;
|
|
RGB565ToYRow = RGB565ToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
RGB565ToYRow = RGB565ToYRow_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RGB565ToUVRow = RGB565ToUVRow_NEON;
|
|
}
|
|
}
|
|
}
|
|
// Other platforms do intermediate conversion from RGB565 to ARGB.
|
|
#else
|
|
#if defined(HAS_RGB565TOARGBROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
RGB565ToARGBRow = RGB565ToARGBRow_Any_SSE2;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
RGB565ToARGBRow = RGB565ToARGBRow_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_RGB565TOARGBROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
RGB565ToARGBRow = RGB565ToARGBRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
RGB565ToARGBRow = RGB565ToARGBRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToUVRow = ARGBToUVRow_AVX2;
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
// Allocate 2 rows of ARGB.
|
|
const int kRowSize = (width * 4 + 31) & ~31;
|
|
align_buffer_64(row, kRowSize * 2);
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
#if defined(HAS_RGB565TOYROW_NEON)
|
|
RGB565ToUVRow(src_rgb565, src_stride_rgb565, dst_u, dst_v, width);
|
|
RGB565ToYRow(src_rgb565, dst_y, width);
|
|
RGB565ToYRow(src_rgb565 + src_stride_rgb565, dst_y + dst_stride_y, width);
|
|
#else
|
|
RGB565ToARGBRow(src_rgb565, row, width);
|
|
RGB565ToARGBRow(src_rgb565 + src_stride_rgb565, row + kRowSize, width);
|
|
ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
|
|
#endif
|
|
src_rgb565 += src_stride_rgb565 * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
#if defined(HAS_RGB565TOYROW_NEON)
|
|
RGB565ToUVRow(src_rgb565, 0, dst_u, dst_v, width);
|
|
RGB565ToYRow(src_rgb565, dst_y, width);
|
|
#else
|
|
RGB565ToARGBRow(src_rgb565, row, width);
|
|
ARGBToUVRow(row, 0, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
#endif
|
|
}
|
|
#if !defined(HAS_RGB565TOYROW_NEON)
|
|
free_aligned_buffer_64(row);
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB1555 to I420.
|
|
LIBYUV_API
|
|
int ARGB1555ToI420(const uint8* src_argb1555, int src_stride_argb1555,
|
|
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) {
|
|
int y;
|
|
#if defined(HAS_ARGB1555TOYROW_NEON)
|
|
void (*ARGB1555ToUVRow)(const uint8* src_argb1555, int src_stride_argb1555,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGB1555ToUVRow_C;
|
|
void (*ARGB1555ToYRow)(const uint8* src_argb1555, uint8* dst_y, int width) =
|
|
ARGB1555ToYRow_C;
|
|
#else
|
|
void (*ARGB1555ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int width) =
|
|
ARGB1555ToARGBRow_C;
|
|
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int width) =
|
|
ARGBToYRow_C;
|
|
#endif
|
|
if (!src_argb1555 || !dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_argb1555 = src_argb1555 + (height - 1) * src_stride_argb1555;
|
|
src_stride_argb1555 = -src_stride_argb1555;
|
|
}
|
|
|
|
// Neon version does direct ARGB1555 to YUV.
|
|
#if defined(HAS_ARGB1555TOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
ARGB1555ToUVRow = ARGB1555ToUVRow_Any_NEON;
|
|
ARGB1555ToYRow = ARGB1555ToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGB1555ToYRow = ARGB1555ToYRow_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGB1555ToUVRow = ARGB1555ToUVRow_NEON;
|
|
}
|
|
}
|
|
}
|
|
// Other platforms do intermediate conversion from ARGB1555 to ARGB.
|
|
#else
|
|
#if defined(HAS_ARGB1555TOARGBROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_SSE2;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGB1555ToARGBRow = ARGB1555ToARGBRow_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGB1555TOARGBROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGB1555ToARGBRow = ARGB1555ToARGBRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToUVRow = ARGBToUVRow_AVX2;
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
// Allocate 2 rows of ARGB.
|
|
const int kRowSize = (width * 4 + 31) & ~31;
|
|
align_buffer_64(row, kRowSize * 2);
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
#if defined(HAS_ARGB1555TOYROW_NEON)
|
|
ARGB1555ToUVRow(src_argb1555, src_stride_argb1555, dst_u, dst_v, width);
|
|
ARGB1555ToYRow(src_argb1555, dst_y, width);
|
|
ARGB1555ToYRow(src_argb1555 + src_stride_argb1555, dst_y + dst_stride_y,
|
|
width);
|
|
#else
|
|
ARGB1555ToARGBRow(src_argb1555, row, width);
|
|
ARGB1555ToARGBRow(src_argb1555 + src_stride_argb1555, row + kRowSize,
|
|
width);
|
|
ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
|
|
#endif
|
|
src_argb1555 += src_stride_argb1555 * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
#if defined(HAS_ARGB1555TOYROW_NEON)
|
|
ARGB1555ToUVRow(src_argb1555, 0, dst_u, dst_v, width);
|
|
ARGB1555ToYRow(src_argb1555, dst_y, width);
|
|
#else
|
|
ARGB1555ToARGBRow(src_argb1555, row, width);
|
|
ARGBToUVRow(row, 0, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
#endif
|
|
}
|
|
#if !defined(HAS_ARGB1555TOYROW_NEON)
|
|
free_aligned_buffer_64(row);
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
// Convert ARGB4444 to I420.
|
|
LIBYUV_API
|
|
int ARGB4444ToI420(const uint8* src_argb4444, int src_stride_argb4444,
|
|
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) {
|
|
int y;
|
|
#if defined(HAS_ARGB4444TOYROW_NEON)
|
|
void (*ARGB4444ToUVRow)(const uint8* src_argb4444, int src_stride_argb4444,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGB4444ToUVRow_C;
|
|
void (*ARGB4444ToYRow)(const uint8* src_argb4444, uint8* dst_y, int width) =
|
|
ARGB4444ToYRow_C;
|
|
#else
|
|
void (*ARGB4444ToARGBRow)(const uint8* src_rgb, uint8* dst_argb, int width) =
|
|
ARGB4444ToARGBRow_C;
|
|
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
|
|
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int width) =
|
|
ARGBToYRow_C;
|
|
#endif
|
|
if (!src_argb4444 || !dst_y || !dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
src_argb4444 = src_argb4444 + (height - 1) * src_stride_argb4444;
|
|
src_stride_argb4444 = -src_stride_argb4444;
|
|
}
|
|
|
|
// Neon version does direct ARGB4444 to YUV.
|
|
#if defined(HAS_ARGB4444TOYROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
ARGB4444ToUVRow = ARGB4444ToUVRow_Any_NEON;
|
|
ARGB4444ToYRow = ARGB4444ToYRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGB4444ToYRow = ARGB4444ToYRow_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGB4444ToUVRow = ARGB4444ToUVRow_NEON;
|
|
}
|
|
}
|
|
}
|
|
// Other platforms do intermediate conversion from ARGB4444 to ARGB.
|
|
#else
|
|
#if defined(HAS_ARGB4444TOARGBROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_SSE2;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
ARGB4444ToARGBRow = ARGB4444ToARGBRow_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGB4444TOARGBROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGB4444ToARGBRow = ARGB4444ToARGBRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
ARGBToUVRow = ARGBToUVRow_SSSE3;
|
|
ARGBToYRow = ARGBToYRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
|
|
if (TestCpuFlag(kCpuHasAVX2)) {
|
|
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
|
|
ARGBToYRow = ARGBToYRow_Any_AVX2;
|
|
if (IS_ALIGNED(width, 32)) {
|
|
ARGBToUVRow = ARGBToUVRow_AVX2;
|
|
ARGBToYRow = ARGBToYRow_AVX2;
|
|
}
|
|
}
|
|
#endif
|
|
{
|
|
// Allocate 2 rows of ARGB.
|
|
const int kRowSize = (width * 4 + 31) & ~31;
|
|
align_buffer_64(row, kRowSize * 2);
|
|
#endif
|
|
|
|
for (y = 0; y < height - 1; y += 2) {
|
|
#if defined(HAS_ARGB4444TOYROW_NEON)
|
|
ARGB4444ToUVRow(src_argb4444, src_stride_argb4444, dst_u, dst_v, width);
|
|
ARGB4444ToYRow(src_argb4444, dst_y, width);
|
|
ARGB4444ToYRow(src_argb4444 + src_stride_argb4444, dst_y + dst_stride_y,
|
|
width);
|
|
#else
|
|
ARGB4444ToARGBRow(src_argb4444, row, width);
|
|
ARGB4444ToARGBRow(src_argb4444 + src_stride_argb4444, row + kRowSize,
|
|
width);
|
|
ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
|
|
#endif
|
|
src_argb4444 += src_stride_argb4444 * 2;
|
|
dst_y += dst_stride_y * 2;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
if (height & 1) {
|
|
#if defined(HAS_ARGB4444TOYROW_NEON)
|
|
ARGB4444ToUVRow(src_argb4444, 0, dst_u, dst_v, width);
|
|
ARGB4444ToYRow(src_argb4444, dst_y, width);
|
|
#else
|
|
ARGB4444ToARGBRow(src_argb4444, row, width);
|
|
ARGBToUVRow(row, 0, dst_u, dst_v, width);
|
|
ARGBToYRow(row, dst_y, width);
|
|
#endif
|
|
}
|
|
#if !defined(HAS_ARGB4444TOYROW_NEON)
|
|
free_aligned_buffer_64(row);
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void SplitPixels(const uint8* src_u, int src_pixel_stride_uv,
|
|
uint8* dst_u, int width) {
|
|
int i;
|
|
for (i = 0; i < width; ++i) {
|
|
*dst_u = *src_u;
|
|
++dst_u;
|
|
src_u += src_pixel_stride_uv;
|
|
}
|
|
}
|
|
|
|
// Convert Android420 to I420.
|
|
LIBYUV_API
|
|
int Android420ToI420(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
int src_pixel_stride_uv,
|
|
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) {
|
|
int y;
|
|
const int vu_off = src_v - src_u;
|
|
int halfwidth = (width + 1) >> 1;
|
|
int halfheight = (height + 1) >> 1;
|
|
if (!src_u || !src_v ||
|
|
!dst_u || !dst_v ||
|
|
width <= 0 || height == 0) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
halfheight = (height + 1) >> 1;
|
|
src_y = src_y + (height - 1) * src_stride_y;
|
|
src_u = src_u + (halfheight - 1) * src_stride_u;
|
|
src_v = src_v + (halfheight - 1) * src_stride_v;
|
|
src_stride_y = -src_stride_y;
|
|
src_stride_u = -src_stride_u;
|
|
src_stride_v = -src_stride_v;
|
|
}
|
|
|
|
if (dst_y) {
|
|
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
|
|
}
|
|
|
|
// Copy UV planes as is - I420
|
|
if (src_pixel_stride_uv == 1) {
|
|
CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, halfheight);
|
|
CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, halfheight);
|
|
return 0;
|
|
// Split UV planes - NV21
|
|
} else if (src_pixel_stride_uv == 2 && vu_off == -1 &&
|
|
src_stride_u == src_stride_v) {
|
|
SplitUVPlane(src_v, src_stride_v, dst_v, dst_stride_v, dst_u, dst_stride_u,
|
|
halfwidth, halfheight);
|
|
return 0;
|
|
// Split UV planes - NV12
|
|
} else if (src_pixel_stride_uv == 2 && vu_off == 1 &&
|
|
src_stride_u == src_stride_v) {
|
|
SplitUVPlane(src_u, src_stride_u, dst_u, dst_stride_u, dst_v, dst_stride_v,
|
|
halfwidth, halfheight);
|
|
return 0;
|
|
}
|
|
|
|
for (y = 0; y < halfheight; ++y) {
|
|
SplitPixels(src_u, src_pixel_stride_uv, dst_u, halfwidth);
|
|
SplitPixels(src_v, src_pixel_stride_uv, dst_v, halfwidth);
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
dst_u += dst_stride_u;
|
|
dst_v += dst_stride_v;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|