mirror of
https://chromium.googlesource.com/libyuv/libyuv
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d2f4413d29
BUG=29 TEST=none Review URL: https://webrtc-codereview.appspot.com/469005 git-svn-id: http://libyuv.googlecode.com/svn/trunk@234 16f28f9a-4ce2-e073-06de-1de4eb20be90
1295 lines
41 KiB
C++
1295 lines
41 KiB
C++
/*
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* Copyright (c) 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.h"
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#include "libyuv/basic_types.h"
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#include "libyuv/convert.h" // For I420Copy
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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/rotate.h"
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#include "libyuv/video_common.h"
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#include "source/row.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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int I420ToI422(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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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_y = dst_y + (height - 1) * dst_stride_y;
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dst_u = dst_u + (height - 1) * dst_stride_u;
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dst_v = dst_v + (height - 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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int halfwidth = (width + 1) >> 1;
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void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
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#if defined(HAS_COPYROW_NEON)
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if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(halfwidth, 64)) {
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CopyRow = CopyRow_NEON;
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}
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#elif defined(HAS_COPYROW_X86)
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if (IS_ALIGNED(halfwidth, 4)) {
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CopyRow = CopyRow_X86;
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#if defined(HAS_COPYROW_SSE2)
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if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(halfwidth, 32) &&
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IS_ALIGNED(src_u, 16) && IS_ALIGNED(src_stride_u, 16) &&
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IS_ALIGNED(src_v, 16) && IS_ALIGNED(src_stride_v, 16) &&
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IS_ALIGNED(dst_u, 16) && IS_ALIGNED(dst_stride_u, 16) &&
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IS_ALIGNED(dst_v, 16) && IS_ALIGNED(dst_stride_v, 16)) {
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CopyRow = CopyRow_SSE2;
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}
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#endif
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}
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#endif
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// Copy Y plane
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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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// UpSample U plane.
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int y;
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for (y = 0; y < height - 1; y += 2) {
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CopyRow(src_u, dst_u, halfwidth);
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CopyRow(src_u, dst_u + dst_stride_u, halfwidth);
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src_u += src_stride_u;
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dst_u += dst_stride_u * 2;
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}
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if (height & 1) {
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CopyRow(src_u, dst_u, halfwidth);
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}
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// UpSample V plane.
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for (y = 0; y < height - 1; y += 2) {
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CopyRow(src_v, dst_v, halfwidth);
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CopyRow(src_v, dst_v + dst_stride_v, halfwidth);
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src_v += src_stride_v;
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dst_v += dst_stride_v * 2;
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}
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if (height & 1) {
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CopyRow(src_v, dst_v, halfwidth);
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}
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return 0;
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}
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// use Bilinear for upsampling chroma
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void ScalePlaneBilinear(int src_width, int src_height,
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int dst_width, int dst_height,
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int src_stride, int dst_stride,
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const uint8* src_ptr, uint8* dst_ptr);
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int I420ToI444(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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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_y = dst_y + (height - 1) * dst_stride_y;
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dst_u = dst_u + (height - 1) * dst_stride_u;
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dst_v = dst_v + (height - 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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// Copy Y plane
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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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int halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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// Upsample U plane.
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ScalePlaneBilinear(halfwidth, halfheight,
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width, height,
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src_stride_u,
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dst_stride_u,
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src_u, dst_u);
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// Upsample V plane.
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ScalePlaneBilinear(halfwidth, halfheight,
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width, height,
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src_stride_v,
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dst_stride_v,
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src_v, dst_v);
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return 0;
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}
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// 420 chroma is 1/2 width, 1/2 height
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// 411 chroma is 1/4 width, 1x height
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int I420ToI411(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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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_y = dst_y + (height - 1) * dst_stride_y;
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dst_u = dst_u + (height - 1) * dst_stride_u;
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dst_v = dst_v + (height - 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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// Copy Y plane
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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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int halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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int quarterwidth = (width + 3) >> 2;
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// Resample U plane.
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ScalePlaneBilinear(halfwidth, halfheight, // from 1/2 width, 1/2 height
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quarterwidth, height, // to 1/4 width, 1x height
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src_stride_u,
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dst_stride_u,
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src_u, dst_u);
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// Resample V plane.
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ScalePlaneBilinear(halfwidth, halfheight, // from 1/2 width, 1/2 height
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quarterwidth, height, // to 1/4 width, 1x height
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src_stride_v,
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dst_stride_v,
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src_v, dst_v);
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return 0;
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}
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// Copy to I400. Source can be I420,422,444,400,NV12,NV21
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int I400Copy(const uint8* src_y, int src_stride_y,
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uint8* dst_y, int dst_stride_y,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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src_y = src_y + (height - 1) * src_stride_y;
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src_stride_y = -src_stride_y;
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}
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CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
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return 0;
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}
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// YUY2 - Macro-pixel = 2 image pixels
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// Y0U0Y1V0....Y2U2Y3V2...Y4U4Y5V4....
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// UYVY - Macro-pixel = 2 image pixels
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// U0Y0V0Y1
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#if !defined(YUV_DISABLE_ASM) && defined(_M_IX86)
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#define HAS_I42XTOYUY2ROW_SSE2
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__declspec(naked) __declspec(align(16))
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static void I42xToYUY2Row_SSE2(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_frame, int width) {
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__asm {
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push esi
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push edi
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mov eax, [esp + 8 + 4] // src_y
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mov esi, [esp + 8 + 8] // src_u
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mov edx, [esp + 8 + 12] // src_v
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mov edi, [esp + 8 + 16] // dst_frame
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mov ecx, [esp + 8 + 20] // width
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sub edx, esi
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align 16
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convertloop:
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movq xmm2, qword ptr [esi] // U
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movq xmm3, qword ptr [esi + edx] // V
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lea esi, [esi + 8]
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punpcklbw xmm2, xmm3 // UV
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movdqa xmm0, [eax] // Y
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lea eax, [eax + 16]
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movdqa xmm1, xmm0
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punpcklbw xmm0, xmm2 // YUYV
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punpckhbw xmm1, xmm2
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movdqa [edi], xmm0
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movdqa [edi + 16], xmm1
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lea edi, [edi + 32]
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sub ecx, 16
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jg convertloop
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pop edi
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pop esi
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ret
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}
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}
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#define HAS_I42XTOUYVYROW_SSE2
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__declspec(naked) __declspec(align(16))
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static void I42xToUYVYRow_SSE2(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_frame, int width) {
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__asm {
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push esi
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push edi
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mov eax, [esp + 8 + 4] // src_y
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mov esi, [esp + 8 + 8] // src_u
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mov edx, [esp + 8 + 12] // src_v
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mov edi, [esp + 8 + 16] // dst_frame
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mov ecx, [esp + 8 + 20] // width
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sub edx, esi
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align 16
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convertloop:
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movq xmm2, qword ptr [esi] // U
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movq xmm3, qword ptr [esi + edx] // V
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lea esi, [esi + 8]
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punpcklbw xmm2, xmm3 // UV
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movdqa xmm0, [eax] // Y
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movdqa xmm1, xmm2
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lea eax, [eax + 16]
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punpcklbw xmm1, xmm0 // UYVY
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punpckhbw xmm2, xmm0
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movdqa [edi], xmm1
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movdqa [edi + 16], xmm2
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lea edi, [edi + 32]
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sub ecx, 16
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jg convertloop
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pop edi
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pop esi
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ret
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}
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}
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#elif !defined(YUV_DISABLE_ASM) && (defined(__x86_64__) || defined(__i386__))
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#define HAS_I42XTOYUY2ROW_SSE2
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static void I42xToYUY2Row_SSE2(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_frame, int width) {
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asm volatile (
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"sub %1,%2 \n"
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"1: \n"
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"movq (%1),%%xmm2 \n"
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"movq (%1,%2,1),%%xmm3 \n"
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"lea 0x8(%1),%1 \n"
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"punpcklbw %%xmm3,%%xmm2 \n"
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"movdqa (%0),%%xmm0 \n"
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"lea 0x10(%0),%0 \n"
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"movdqa %%xmm0,%%xmm1 \n"
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"punpcklbw %%xmm2,%%xmm0 \n"
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"punpckhbw %%xmm2,%%xmm1 \n"
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"movdqa %%xmm0,(%3) \n"
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"movdqa %%xmm1,0x10(%3) \n"
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"lea 0x20(%3),%3 \n"
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"sub $0x10,%4 \n"
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"jg 1b \n"
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: "+r"(src_y), // %0
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"+r"(src_u), // %1
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"+r"(src_v), // %2
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"+r"(dst_frame), // %3
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"+rm"(width) // %4
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:
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: "memory", "cc"
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#if defined(__SSE2__)
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, "xmm0", "xmm1", "xmm2", "xmm3"
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#endif
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);
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}
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#define HAS_I42XTOUYVYROW_SSE2
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static void I42xToUYVYRow_SSE2(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_frame, int width) {
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asm volatile (
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"sub %1,%2 \n"
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"1: \n"
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"movq (%1),%%xmm2 \n"
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"movq (%1,%2,1),%%xmm3 \n"
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"lea 0x8(%1),%1 \n"
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"punpcklbw %%xmm3,%%xmm2 \n"
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"movdqa (%0),%%xmm0 \n"
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"movdqa %%xmm2,%%xmm1 \n"
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"lea 0x10(%0),%0 \n"
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"punpcklbw %%xmm0,%%xmm1 \n"
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"punpckhbw %%xmm0,%%xmm2 \n"
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"movdqa %%xmm1,(%3) \n"
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"movdqa %%xmm2,0x10(%3) \n"
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"lea 0x20(%3),%3 \n"
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"sub $0x10,%4 \n"
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"jg 1b \n"
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: "+r"(src_y), // %0
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"+r"(src_u), // %1
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"+r"(src_v), // %2
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"+r"(dst_frame), // %3
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"+rm"(width) // %4
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:
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: "memory", "cc"
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#if defined(__SSE2__)
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, "xmm0", "xmm1", "xmm2", "xmm3"
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#endif
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);
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}
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#endif
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static void I42xToYUY2Row_C(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_frame, int width) {
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for (int x = 0; x < width - 1; x += 2) {
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dst_frame[0] = src_y[0];
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dst_frame[1] = src_u[0];
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dst_frame[2] = src_y[1];
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dst_frame[3] = src_v[0];
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dst_frame += 4;
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src_y += 2;
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src_u += 1;
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src_v += 1;
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}
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if (width & 1) {
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dst_frame[0] = src_y[0];
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dst_frame[1] = src_u[0];
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dst_frame[2] = src_y[0]; // duplicate last y
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dst_frame[3] = src_v[0];
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}
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}
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static void I42xToUYVYRow_C(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_frame, int width) {
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for (int x = 0; x < width - 1; x += 2) {
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dst_frame[0] = src_u[0];
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dst_frame[1] = src_y[0];
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dst_frame[2] = src_v[0];
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dst_frame[3] = src_y[1];
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dst_frame += 4;
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src_y += 2;
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src_u += 1;
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src_v += 1;
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}
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if (width & 1) {
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dst_frame[0] = src_u[0];
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dst_frame[1] = src_y[0];
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dst_frame[2] = src_v[0];
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dst_frame[3] = src_y[0]; // duplicate last y
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}
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}
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// gcc provided macros
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#if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define INCLUDE_LIBYUV_LITTLE_ENDIAN
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#endif
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// Visual C for x86 defines these
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#elif defined(_M_X64) || defined(_M_IX86)
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#define INCLUDE_LIBYUV_LITTLE_ENDIAN
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#endif
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#ifdef LIBYUV_LITTLE_ENDIAN
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#define WRITEWORD(p, v) *reinterpret_cast<uint32*>(p) = v
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#else
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static inline void WRITEWORD(uint8* p, uint32 v) {
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p[0] = (uint8)(v & 255);
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p[1] = (uint8)((v >> 8) & 255);
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p[2] = (uint8)((v >> 16) & 255);
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p[3] = (uint8)((v >> 24) & 255);
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}
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#endif
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#define EIGHTTOTEN(x) (x << 2 | x >> 6)
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static void UYVYToV210Row_C(const uint8* src_uyvy, uint8* dst_v210, int width) {
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for (int x = 0; x < width; x += 6) {
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WRITEWORD(dst_v210 + 0, (EIGHTTOTEN(src_uyvy[0])) |
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(EIGHTTOTEN(src_uyvy[1]) << 10) |
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(EIGHTTOTEN(src_uyvy[2]) << 20));
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WRITEWORD(dst_v210 + 4, (EIGHTTOTEN(src_uyvy[3])) |
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(EIGHTTOTEN(src_uyvy[4]) << 10) |
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(EIGHTTOTEN(src_uyvy[5]) << 20));
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WRITEWORD(dst_v210 + 8, (EIGHTTOTEN(src_uyvy[6])) |
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(EIGHTTOTEN(src_uyvy[7]) << 10) |
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(EIGHTTOTEN(src_uyvy[8]) << 20));
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WRITEWORD(dst_v210 + 12, (EIGHTTOTEN(src_uyvy[9])) |
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(EIGHTTOTEN(src_uyvy[10]) << 10) |
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(EIGHTTOTEN(src_uyvy[11]) << 20));
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src_uyvy += 12;
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dst_v210 += 16;
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}
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}
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// TODO(fbarchard): Deprecate, move or expand 422 support?
|
|
int I422ToYUY2(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_frame, int dst_stride_frame,
|
|
int width, int height) {
|
|
if (src_y == NULL || src_u == NULL || src_v == NULL || dst_frame == NULL) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_frame = dst_frame + (height - 1) * dst_stride_frame;
|
|
dst_stride_frame = -dst_stride_frame;
|
|
}
|
|
void (*I42xToYUY2Row)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_frame, int width) =
|
|
I42xToYUY2Row_C;
|
|
#if defined(HAS_I42XTOYUY2ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) &&
|
|
IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) {
|
|
I42xToYUY2Row = I42xToYUY2Row_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I42xToYUY2Row(src_y, src_u, src_y, dst_frame, width);
|
|
src_y += src_stride_y;
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
dst_frame += dst_stride_frame;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int I420ToYUY2(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_frame, int dst_stride_frame,
|
|
int width, int height) {
|
|
if (src_y == NULL || src_u == NULL || src_v == NULL || dst_frame == NULL) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_frame = dst_frame + (height - 1) * dst_stride_frame;
|
|
dst_stride_frame = -dst_stride_frame;
|
|
}
|
|
void (*I42xToYUY2Row)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_frame, int width) =
|
|
I42xToYUY2Row_C;
|
|
#if defined(HAS_I42XTOYUY2ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) &&
|
|
IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) {
|
|
I42xToYUY2Row = I42xToYUY2Row_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height - 1; y += 2) {
|
|
I42xToYUY2Row(src_y, src_u, src_v, dst_frame, width);
|
|
I42xToYUY2Row(src_y + src_stride_y, src_u, src_v,
|
|
dst_frame + dst_stride_frame, width);
|
|
src_y += src_stride_y * 2;
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
dst_frame += dst_stride_frame * 2;
|
|
}
|
|
if (height & 1) {
|
|
I42xToYUY2Row(src_y, src_u, src_v, dst_frame, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// TODO(fbarchard): Deprecate, move or expand 422 support?
|
|
int I422ToUYVY(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_frame, int dst_stride_frame,
|
|
int width, int height) {
|
|
if (src_y == NULL || src_u == NULL || src_v == NULL || dst_frame == NULL) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_frame = dst_frame + (height - 1) * dst_stride_frame;
|
|
dst_stride_frame = -dst_stride_frame;
|
|
}
|
|
void (*I42xToUYVYRow)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_frame, int width) =
|
|
I42xToUYVYRow_C;
|
|
#if defined(HAS_I42XTOUYVYROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) &&
|
|
IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) {
|
|
I42xToUYVYRow = I42xToUYVYRow_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I42xToUYVYRow(src_y, src_u, src_y, dst_frame, width);
|
|
src_y += src_stride_y;
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
dst_frame += dst_stride_frame;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int I420ToUYVY(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_frame, int dst_stride_frame,
|
|
int width, int height) {
|
|
if (src_y == NULL || src_u == NULL || src_v == NULL || dst_frame == NULL) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_frame = dst_frame + (height - 1) * dst_stride_frame;
|
|
dst_stride_frame = -dst_stride_frame;
|
|
}
|
|
void (*I42xToUYVYRow)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_frame, int width) =
|
|
I42xToUYVYRow_C;
|
|
#if defined(HAS_I42XTOUYVYROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) &&
|
|
IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) {
|
|
I42xToUYVYRow = I42xToUYVYRow_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height - 1; y += 2) {
|
|
I42xToUYVYRow(src_y, src_u, src_v, dst_frame, width);
|
|
I42xToUYVYRow(src_y + src_stride_y, src_u, src_v,
|
|
dst_frame + dst_stride_frame, width);
|
|
src_y += src_stride_y * 2;
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
dst_frame += dst_stride_frame * 2;
|
|
}
|
|
if (height & 1) {
|
|
I42xToUYVYRow(src_y, src_u, src_v, dst_frame, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int I420ToV210(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_frame, int dst_stride_frame,
|
|
int width, int height) {
|
|
if (width * 16 / 6 > kMaxStride || // Row buffer of V210 is required.
|
|
src_y == NULL || src_u == NULL || src_v == NULL || dst_frame == NULL) {
|
|
return -1;
|
|
}
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_frame = dst_frame + (height - 1) * dst_stride_frame;
|
|
dst_stride_frame = -dst_stride_frame;
|
|
}
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*UYVYToV210Row)(const uint8* src_uyvy, uint8* dst_v210, int pix);
|
|
UYVYToV210Row = UYVYToV210Row_C;
|
|
|
|
void (*I42xToUYVYRow)(const uint8* src_y, const uint8* src_u,
|
|
const uint8* src_v, uint8* dst_frame, int width) =
|
|
I42xToUYVYRow_C;
|
|
#if defined(HAS_I42XTOUYVYROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2) &&
|
|
IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16)) {
|
|
I42xToUYVYRow = I42xToUYVYRow_SSE2;
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height - 1; y += 2) {
|
|
I42xToUYVYRow(src_y, src_u, src_v, row, width);
|
|
UYVYToV210Row(row, dst_frame, width);
|
|
I42xToUYVYRow(src_y + src_stride_y, src_u, src_v, row, width);
|
|
UYVYToV210Row(row, dst_frame + dst_stride_frame, width);
|
|
|
|
src_y += src_stride_y * 2;
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
dst_frame += dst_stride_frame * 2;
|
|
}
|
|
if (height & 1) {
|
|
I42xToUYVYRow(src_y, src_u, src_v, row, width);
|
|
UYVYToV210Row(row, dst_frame, width);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to ARGB.
|
|
int I420ToARGB(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
|
|
dst_stride_argb = -dst_stride_argb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
|
|
I420ToARGBRow = I420ToARGBRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
I420ToARGBRow = I420ToARGBRow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToARGBRow(src_y, src_u, src_v, dst_argb, width);
|
|
dst_argb += dst_stride_argb;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to BGRA.
|
|
int I420ToBGRA(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_bgra, int dst_stride_bgra,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_bgra = dst_bgra + (height - 1) * dst_stride_bgra;
|
|
dst_stride_bgra = -dst_stride_bgra;
|
|
}
|
|
void (*I420ToBGRARow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToBGRARow_C;
|
|
#if defined(HAS_I420TOBGRAROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToBGRARow = I420ToBGRARow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I420ToBGRARow = I420ToBGRARow_NEON;
|
|
}
|
|
}
|
|
#elif defined(HAS_I420TOBGRAROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
|
|
I420ToBGRARow = I420ToBGRARow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
I420ToBGRARow = I420ToBGRARow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(dst_bgra, 16) && IS_ALIGNED(dst_stride_bgra, 16)) {
|
|
I420ToBGRARow = I420ToBGRARow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToBGRARow(src_y, src_u, src_v, dst_bgra, width);
|
|
dst_bgra += dst_stride_bgra;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to ABGR.
|
|
int I420ToABGR(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_abgr, int dst_stride_abgr,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_abgr = dst_abgr + (height - 1) * dst_stride_abgr;
|
|
dst_stride_abgr = -dst_stride_abgr;
|
|
}
|
|
void (*I420ToABGRRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToABGRRow_C;
|
|
#if defined(HAS_I420TOABGRROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToABGRRow = I420ToABGRRow_Any_NEON;
|
|
if (IS_ALIGNED(width, 16)) {
|
|
I420ToABGRRow = I420ToABGRRow_NEON;
|
|
}
|
|
}
|
|
#elif defined(HAS_I420TOABGRROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
|
|
I420ToABGRRow = I420ToABGRRow_Any_SSSE3;
|
|
if (IS_ALIGNED(width, 8)) {
|
|
I420ToABGRRow = I420ToABGRRow_Unaligned_SSSE3;
|
|
if (IS_ALIGNED(dst_abgr, 16) && IS_ALIGNED(dst_stride_abgr, 16)) {
|
|
I420ToABGRRow = I420ToABGRRow_SSSE3;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToABGRRow(src_y, src_u, src_v, dst_abgr, width);
|
|
dst_abgr += dst_stride_abgr;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to RGB24.
|
|
int I420ToRGB24(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
|
|
dst_stride_argb = -dst_stride_argb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToRGB24Row_C;
|
|
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
if (width * 3 <= kMaxStride) {
|
|
ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
|
|
}
|
|
if (IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToARGBRow(src_y, src_u, src_v, row, width);
|
|
ARGBToRGB24Row(row, dst_argb, width);
|
|
dst_argb += dst_stride_argb;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to RAW.
|
|
int I420ToRAW(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
|
|
dst_stride_argb = -dst_stride_argb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToRAWRow_C;
|
|
#if defined(HAS_ARGBTORAWROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
if (width * 3 <= kMaxStride) {
|
|
ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
|
|
}
|
|
if (IS_ALIGNED(width, 16) &&
|
|
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
|
|
ARGBToRAWRow = ARGBToRAWRow_SSSE3;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToARGBRow(src_y, src_u, src_v, row, width);
|
|
ARGBToRAWRow(row, dst_argb, width);
|
|
dst_argb += dst_stride_argb;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to RGB565.
|
|
int I420ToRGB565(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_rgb, int dst_stride_rgb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_rgb = dst_rgb + (height - 1) * dst_stride_rgb;
|
|
dst_stride_rgb = -dst_stride_rgb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToRGB565Row)(const uint8* src_rgb, uint8* dst_rgb, int pix) =
|
|
ARGBToRGB565Row_C;
|
|
#if defined(HAS_ARGBTORGB565ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
if (width * 2 <= kMaxStride) {
|
|
ARGBToRGB565Row = ARGBToRGB565Row_Any_SSE2;
|
|
}
|
|
if (IS_ALIGNED(width, 4)) {
|
|
ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToARGBRow(src_y, src_u, src_v, row, width);
|
|
ARGBToRGB565Row(row, dst_rgb, width);
|
|
dst_rgb += dst_stride_rgb;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to ARGB1555.
|
|
int I420ToARGB1555(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
|
|
dst_stride_argb = -dst_stride_argb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToARGB1555Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToARGB1555Row_C;
|
|
#if defined(HAS_ARGBTOARGB1555ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
if (width * 2 <= kMaxStride) {
|
|
ARGBToARGB1555Row = ARGBToARGB1555Row_Any_SSE2;
|
|
}
|
|
if (IS_ALIGNED(width, 4)) {
|
|
ARGBToARGB1555Row = ARGBToARGB1555Row_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToARGBRow(src_y, src_u, src_v, row, width);
|
|
ARGBToARGB1555Row(row, dst_argb, width);
|
|
dst_argb += dst_stride_argb;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to ARGB4444.
|
|
int I420ToARGB4444(const uint8* src_y, int src_stride_y,
|
|
const uint8* src_u, int src_stride_u,
|
|
const uint8* src_v, int src_stride_v,
|
|
uint8* dst_argb, int dst_stride_argb,
|
|
int width, int height) {
|
|
// Negative height means invert the image.
|
|
if (height < 0) {
|
|
height = -height;
|
|
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
|
|
dst_stride_argb = -dst_stride_argb;
|
|
}
|
|
void (*I420ToARGBRow)(const uint8* y_buf,
|
|
const uint8* u_buf,
|
|
const uint8* v_buf,
|
|
uint8* rgb_buf,
|
|
int width) = I420ToARGBRow_C;
|
|
#if defined(HAS_I420TOARGBROW_NEON)
|
|
if (TestCpuFlag(kCpuHasNEON)) {
|
|
I420ToARGBRow = I420ToARGBRow_NEON;
|
|
}
|
|
#elif defined(HAS_I420TOARGBROW_SSSE3)
|
|
if (TestCpuFlag(kCpuHasSSSE3)) {
|
|
I420ToARGBRow = I420ToARGBRow_SSSE3;
|
|
}
|
|
#endif
|
|
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
void (*ARGBToARGB4444Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
|
|
ARGBToARGB4444Row_C;
|
|
#if defined(HAS_ARGBTOARGB4444ROW_SSE2)
|
|
if (TestCpuFlag(kCpuHasSSE2)) {
|
|
if (width * 2 <= kMaxStride) {
|
|
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_SSE2;
|
|
}
|
|
if (IS_ALIGNED(width, 4)) {
|
|
ARGBToARGB4444Row = ARGBToARGB4444Row_SSE2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I420ToARGBRow(src_y, src_u, src_v, row, width);
|
|
ARGBToARGB4444Row(row, dst_argb, width);
|
|
dst_argb += dst_stride_argb;
|
|
src_y += src_stride_y;
|
|
if (y & 1) {
|
|
src_u += src_stride_u;
|
|
src_v += src_stride_v;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Convert I420 to specified format
|
|
int ConvertFromI420(const uint8* y, int y_stride,
|
|
const uint8* u, int u_stride,
|
|
const uint8* v, int v_stride,
|
|
uint8* dst_sample, int dst_sample_stride,
|
|
int width, int height,
|
|
uint32 format) {
|
|
if (y == NULL || u == NULL || v == NULL || dst_sample == NULL) {
|
|
return -1;
|
|
}
|
|
int r = 0;
|
|
switch (format) {
|
|
// Single plane formats
|
|
case FOURCC_YUY2:
|
|
r = I420ToYUY2(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 2,
|
|
width, height);
|
|
break;
|
|
case FOURCC_UYVY:
|
|
r = I420ToUYVY(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 2,
|
|
width, height);
|
|
break;
|
|
case FOURCC_V210:
|
|
r = I420ToV210(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride :
|
|
(width + 47) / 48 * 128,
|
|
width, height);
|
|
break;
|
|
case FOURCC_RGBP:
|
|
r = I420ToRGB565(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 2,
|
|
width, height);
|
|
break;
|
|
case FOURCC_RGBO:
|
|
r = I420ToARGB1555(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 2,
|
|
width, height);
|
|
break;
|
|
case FOURCC_R444:
|
|
r = I420ToARGB4444(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 2,
|
|
width, height);
|
|
break;
|
|
case FOURCC_24BG:
|
|
r = I420ToRGB24(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 3,
|
|
width, height);
|
|
break;
|
|
case FOURCC_RAW:
|
|
r = I420ToRAW(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 3,
|
|
width, height);
|
|
break;
|
|
case FOURCC_ARGB:
|
|
r = I420ToARGB(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 4,
|
|
width, height);
|
|
break;
|
|
case FOURCC_BGRA:
|
|
r = I420ToBGRA(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 4,
|
|
width, height);
|
|
break;
|
|
case FOURCC_ABGR:
|
|
r = I420ToABGR(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width * 4,
|
|
width, height);
|
|
break;
|
|
case FOURCC_BGGR:
|
|
r = I420ToBayerBGGR(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width,
|
|
width, height);
|
|
break;
|
|
case FOURCC_GBRG:
|
|
r = I420ToBayerGBRG(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width,
|
|
width, height);
|
|
break;
|
|
case FOURCC_GRBG:
|
|
r = I420ToBayerGRBG(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width,
|
|
width, height);
|
|
break;
|
|
case FOURCC_RGGB:
|
|
r = I420ToBayerRGGB(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width,
|
|
width, height);
|
|
break;
|
|
case FOURCC_I400:
|
|
r = I400Copy(y, y_stride,
|
|
dst_sample,
|
|
dst_sample_stride ? dst_sample_stride : width,
|
|
width, height);
|
|
break;
|
|
// Triplanar formats
|
|
// TODO(fbarchard): halfstride instead of halfwidth
|
|
case FOURCC_I420:
|
|
case FOURCC_YV12: {
|
|
int halfwidth = (width + 1) / 2;
|
|
int halfheight = (height + 1) / 2;
|
|
uint8* dst_u;
|
|
uint8* dst_v;
|
|
if (format == FOURCC_I420) {
|
|
dst_u = dst_sample + width * height;
|
|
dst_v = dst_u + halfwidth * halfheight;
|
|
} else {
|
|
dst_v = dst_sample + width * height;
|
|
dst_u = dst_v + halfwidth * halfheight;
|
|
}
|
|
r = I420Copy(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample, width,
|
|
dst_u, halfwidth,
|
|
dst_v, halfwidth,
|
|
width, height);
|
|
break;
|
|
}
|
|
case FOURCC_I422:
|
|
case FOURCC_YV16: {
|
|
int halfwidth = (width + 1) / 2;
|
|
uint8* dst_u;
|
|
uint8* dst_v;
|
|
if (format == FOURCC_I422) {
|
|
dst_u = dst_sample + width * height;
|
|
dst_v = dst_u + halfwidth * height;
|
|
} else {
|
|
dst_v = dst_sample + width * height;
|
|
dst_u = dst_v + halfwidth * height;
|
|
}
|
|
r = I420ToI422(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample, width,
|
|
dst_u, halfwidth,
|
|
dst_v, halfwidth,
|
|
width, height);
|
|
break;
|
|
}
|
|
case FOURCC_I444:
|
|
case FOURCC_YV24: {
|
|
uint8* dst_u;
|
|
uint8* dst_v;
|
|
if (format == FOURCC_I444) {
|
|
dst_u = dst_sample + width * height;
|
|
dst_v = dst_u + width * height;
|
|
} else {
|
|
dst_v = dst_sample + width * height;
|
|
dst_u = dst_v + width * height;
|
|
}
|
|
r = I420ToI444(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample, width,
|
|
dst_u, width,
|
|
dst_v, width,
|
|
width, height);
|
|
break;
|
|
}
|
|
case FOURCC_I411: {
|
|
int quarterwidth = (width + 3) / 4;
|
|
uint8* dst_u = dst_sample + width * height;
|
|
uint8* dst_v = dst_u + quarterwidth * height;
|
|
r = I420ToI411(y, y_stride,
|
|
u, u_stride,
|
|
v, v_stride,
|
|
dst_sample, width,
|
|
dst_u, quarterwidth,
|
|
dst_v, quarterwidth,
|
|
width, height);
|
|
break;
|
|
}
|
|
|
|
// Formats not supported - MJPG, biplanar, some rgb formats.
|
|
default:
|
|
return -1; // unknown fourcc - return failure code.
|
|
}
|
|
return r;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|