blob: 0180f0760322eb726adca217512887f94f4a167d [file] [log] [blame]
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/codec/SkCodec.h"
#include "include/core/SkStream.h"
#include "include/core/SkYUVASizeInfo.h"
#include "include/private/SkTemplates.h"
#include "src/core/SkAutoMalloc.h"
#include "tests/Test.h"
#include "tools/Resources.h"
static void codec_yuv(skiatest::Reporter* reporter,
const char path[],
SkISize expectedSizes[4]) {
std::unique_ptr<SkStream> stream(GetResourceAsStream(path));
if (!stream) {
return;
}
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromStream(std::move(stream)));
REPORTER_ASSERT(reporter, codec);
if (!codec) {
return;
}
// Test queryYUV8()
SkYUVASizeInfo info;
{
bool success = codec->queryYUV8(nullptr, nullptr);
REPORTER_ASSERT(reporter, !success);
success = codec->queryYUV8(&info, nullptr);
REPORTER_ASSERT(reporter, (expectedSizes == nullptr) == !success);
if (!success) {
return;
}
for (int i = 0; i < SkYUVASizeInfo::kMaxCount; ++i) {
REPORTER_ASSERT(reporter, info.fSizes[i] == expectedSizes[i]);
REPORTER_ASSERT(reporter,
info.fWidthBytes[i] == (uint32_t) SkAlign8(info.fSizes[i].width()));
}
}
{
SkYUVColorSpace colorSpace;
bool success = codec->queryYUV8(&info, &colorSpace);
REPORTER_ASSERT(reporter, (expectedSizes == nullptr) == !success);
if (!success) {
return;
}
for (int i = 0; i < SkYUVASizeInfo::kMaxCount; ++i) {
REPORTER_ASSERT(reporter, info.fSizes[i] == expectedSizes[i]);
REPORTER_ASSERT(reporter,
info.fWidthBytes[i] == (uint32_t) SkAlign8(info.fSizes[i].width()));
}
REPORTER_ASSERT(reporter, kJPEG_SkYUVColorSpace == colorSpace);
}
// Allocate the memory for the YUV decode
size_t totalBytes = info.computeTotalBytes();
SkAutoMalloc storage(totalBytes);
void* planes[SkYUVASizeInfo::kMaxCount];
info.computePlanes(storage.get(), planes);
// Test getYUV8Planes()
REPORTER_ASSERT(reporter, SkCodec::kInvalidInput == codec->getYUV8Planes(info, nullptr));
REPORTER_ASSERT(reporter, SkCodec::kSuccess == codec->getYUV8Planes(info, planes));
}
DEF_TEST(Jpeg_YUV_Codec, r) {
SkISize sizes[4];
sizes[0].set(128, 128);
sizes[1].set(64, 64);
sizes[2].set(64, 64);
sizes[3].set(0, 0);
codec_yuv(r, "images/color_wheel.jpg", sizes);
// H2V2
sizes[0].set(512, 512);
sizes[1].set(256, 256);
sizes[2].set(256, 256);
codec_yuv(r, "images/mandrill_512_q075.jpg", sizes);
// H1V1
sizes[1].set(512, 512);
sizes[2].set(512, 512);
codec_yuv(r, "images/mandrill_h1v1.jpg", sizes);
// H2V1
sizes[1].set(256, 512);
sizes[2].set(256, 512);
codec_yuv(r, "images/mandrill_h2v1.jpg", sizes);
// Non-power of two dimensions
sizes[0].set(439, 154);
sizes[1].set(220, 77);
sizes[2].set(220, 77);
codec_yuv(r, "images/cropped_mandrill.jpg", sizes);
sizes[0].set(8, 8);
sizes[1].set(4, 4);
sizes[2].set(4, 4);
codec_yuv(r, "images/randPixels.jpg", sizes);
// Progressive images
sizes[0].set(512, 512);
sizes[1].set(512, 512);
sizes[2].set(512, 512);
codec_yuv(r, "images/brickwork-texture.jpg", sizes);
codec_yuv(r, "images/brickwork_normal-map.jpg", sizes);
// A CMYK encoded image should fail.
codec_yuv(r, "images/CMYK.jpg", nullptr);
// A grayscale encoded image should fail.
codec_yuv(r, "images/grayscale.jpg", nullptr);
// A PNG should fail.
codec_yuv(r, "images/arrow.png", nullptr);
}
#include "include/effects/SkColorMatrix.h"
#include "src/core/SkYUVMath.h"
// Be sure that the two matrices are inverses of each other
// (i.e. rgb2yuv and yuv2rgb
DEF_TEST(YUVMath, reporter) {
const SkYUVColorSpace spaces[] = {
kJPEG_SkYUVColorSpace,
kRec601_SkYUVColorSpace,
kRec709_SkYUVColorSpace,
kIdentity_SkYUVColorSpace,
};
// Not sure what the theoretical precision we can hope for is, so pick a big value that
// passes (when I think we're correct).
const float tolerance = 1.0f/(1 << 18);
for (auto cs : spaces) {
float r2y[20], y2r[20];
SkColorMatrix_RGB2YUV(cs, r2y);
SkColorMatrix_YUV2RGB(cs, y2r);
SkColorMatrix r2ym, y2rm;
r2ym.setRowMajor(r2y);
y2rm.setRowMajor(y2r);
r2ym.postConcat(y2rm);
float tmp[20];
r2ym.getRowMajor(tmp);
for (int i = 0; i < 20; ++i) {
float expected = 0;
if (i % 6 == 0) { // diagonal
expected = 1;
}
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(tmp[i], expected, tolerance));
}
}
}