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Diffstat (limited to 'third_party/libwebrtc/api/video/test/i410_buffer_unittest.cc')
-rw-r--r-- | third_party/libwebrtc/api/video/test/i410_buffer_unittest.cc | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video/test/i410_buffer_unittest.cc b/third_party/libwebrtc/api/video/test/i410_buffer_unittest.cc new file mode 100644 index 0000000000..c5d2d5bf2d --- /dev/null +++ b/third_party/libwebrtc/api/video/test/i410_buffer_unittest.cc @@ -0,0 +1,120 @@ + +/* + * Copyright (c) 2023 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "api/video/i410_buffer.h" + +#include "api/video/i420_buffer.h" +#include "test/frame_utils.h" +#include "test/gmock.h" +#include "test/gtest.h" + +namespace webrtc { + +namespace { +constexpr uint16_t kYValue = 4; +constexpr uint16_t kUValue = 8; +constexpr uint16_t kVValue = 16; + +int GetY(rtc::scoped_refptr<I410BufferInterface> buf, int col, int row) { + return buf->DataY()[row * buf->StrideY() + col]; +} + +int GetU(rtc::scoped_refptr<I410BufferInterface> buf, int col, int row) { + return buf->DataU()[row * buf->StrideU() + col]; +} + +int GetV(rtc::scoped_refptr<I410BufferInterface> buf, int col, int row) { + return buf->DataV()[row * buf->StrideV() + col]; +} + +void FillI410Buffer(rtc::scoped_refptr<I410Buffer> buf) { + for (int row = 0; row < buf->height(); ++row) { + for (int col = 0; col < buf->width(); ++col) { + buf->MutableDataY()[row * buf->StrideY() + col] = kYValue; + buf->MutableDataU()[row * buf->StrideU() + col] = kUValue; + buf->MutableDataV()[row * buf->StrideV() + col] = kVValue; + } + } +} + +} // namespace + +TEST(I410BufferTest, InitialData) { + constexpr int stride = 3; + constexpr int width = 3; + constexpr int height = 3; + + rtc::scoped_refptr<I410Buffer> i410_buffer(I410Buffer::Create(width, height)); + EXPECT_EQ(width, i410_buffer->width()); + EXPECT_EQ(height, i410_buffer->height()); + EXPECT_EQ(stride, i410_buffer->StrideY()); + EXPECT_EQ(stride, i410_buffer->StrideU()); + EXPECT_EQ(stride, i410_buffer->StrideV()); + EXPECT_EQ(3, i410_buffer->ChromaWidth()); + EXPECT_EQ(3, i410_buffer->ChromaHeight()); +} + +TEST(I410BufferTest, ReadPixels) { + constexpr int width = 3; + constexpr int height = 3; + + rtc::scoped_refptr<I410Buffer> i410_buffer(I410Buffer::Create(width, height)); + FillI410Buffer(i410_buffer); + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + EXPECT_EQ(kYValue, GetY(i410_buffer, col, row)); + EXPECT_EQ(kUValue, GetU(i410_buffer, col, row)); + EXPECT_EQ(kVValue, GetV(i410_buffer, col, row)); + } + } +} + +TEST(I410BufferTest, ToI420) { + // libyuv I410ToI420 only handles correctly even sizes and skips last row/col + // if odd. + constexpr int width = 4; + constexpr int height = 4; + constexpr int size_y = width * height; + constexpr int size_u = (width + 1) / 2 * (height + 1) / 2; + constexpr int size_v = (width + 1) / 2 * (height + 1) / 2; + rtc::scoped_refptr<I420Buffer> reference(I420Buffer::Create(width, height)); + // I410 is 10-bit while I420 is 8 bit, so last 2 bits would be discarded. + memset(reference->MutableDataY(), kYValue >> 2, size_y); + memset(reference->MutableDataU(), kUValue >> 2, size_u); + memset(reference->MutableDataV(), kVValue >> 2, size_v); + + rtc::scoped_refptr<I410Buffer> i410_buffer(I410Buffer::Create(width, height)); + FillI410Buffer(i410_buffer); + + // Confirm YUV values are as expected. + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + EXPECT_EQ(kYValue, GetY(i410_buffer, col, row)); + EXPECT_EQ(kUValue, GetU(i410_buffer, col, row)); + EXPECT_EQ(kVValue, GetV(i410_buffer, col, row)); + } + } + + rtc::scoped_refptr<I420BufferInterface> i420_buffer(i410_buffer->ToI420()); + + // Confirm YUV values are as expected. + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + EXPECT_EQ(1, i420_buffer->DataY()[row * i420_buffer->StrideY() + col]); + } + } + + EXPECT_EQ(height, i420_buffer->height()); + EXPECT_EQ(width, i420_buffer->width()); + EXPECT_TRUE(test::FrameBufsEqual(reference, i420_buffer)); +} + +} // namespace webrtc |