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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/video/test/i444_buffer_unittest.cc | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video/test/i444_buffer_unittest.cc b/third_party/libwebrtc/api/video/test/i444_buffer_unittest.cc new file mode 100644 index 0000000000..9a1a9315aa --- /dev/null +++ b/third_party/libwebrtc/api/video/test/i444_buffer_unittest.cc @@ -0,0 +1,112 @@ + +/* + * Copyright (c) 2021 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/i444_buffer.h" + +#include "api/video/i420_buffer.h" +#include "test/frame_utils.h" +#include "test/gmock.h" +#include "test/gtest.h" + +namespace webrtc { + +namespace { +int GetY(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) { + return buf->DataY()[row * buf->StrideY() + col]; +} + +int GetU(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) { + return buf->DataU()[row * buf->StrideU() + col]; +} + +int GetV(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) { + return buf->DataV()[row * buf->StrideV() + col]; +} + +void FillI444Buffer(rtc::scoped_refptr<I444Buffer> buf) { + const uint8_t Y = 1; + const uint8_t U = 2; + const uint8_t V = 3; + for (int row = 0; row < buf->height(); ++row) { + for (int col = 0; col < buf->width(); ++col) { + buf->MutableDataY()[row * buf->StrideY() + col] = Y; + buf->MutableDataU()[row * buf->StrideU() + col] = U; + buf->MutableDataV()[row * buf->StrideV() + col] = V; + } + } +} + +} // namespace + +TEST(I444BufferTest, InitialData) { + constexpr int stride = 3; + constexpr int width = 3; + constexpr int height = 3; + + rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height)); + EXPECT_EQ(width, i444_buffer->width()); + EXPECT_EQ(height, i444_buffer->height()); + EXPECT_EQ(stride, i444_buffer->StrideY()); + EXPECT_EQ(stride, i444_buffer->StrideU()); + EXPECT_EQ(stride, i444_buffer->StrideV()); + EXPECT_EQ(3, i444_buffer->ChromaWidth()); + EXPECT_EQ(3, i444_buffer->ChromaHeight()); +} + +TEST(I444BufferTest, ReadPixels) { + constexpr int width = 3; + constexpr int height = 3; + + rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height)); + // Y = 1, U = 2, V = 3. + FillI444Buffer(i444_buffer); + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + EXPECT_EQ(1, GetY(i444_buffer, col, row)); + EXPECT_EQ(2, GetU(i444_buffer, col, row)); + EXPECT_EQ(3, GetV(i444_buffer, col, row)); + } + } +} + +TEST(I444BufferTest, ToI420) { + constexpr int width = 3; + constexpr int height = 3; + 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)); + memset(reference->MutableDataY(), 8, size_y); + memset(reference->MutableDataU(), 4, size_u); + memset(reference->MutableDataV(), 2, size_v); + + rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height)); + // Convert the reference buffer to I444. + memset(i444_buffer->MutableDataY(), 8, size_y); + memset(i444_buffer->MutableDataU(), 4, size_y); + memset(i444_buffer->MutableDataV(), 2, size_y); + + // Confirm YUV values are as expected. + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + EXPECT_EQ(8, GetY(i444_buffer, col, row)); + EXPECT_EQ(4, GetU(i444_buffer, col, row)); + EXPECT_EQ(2, GetV(i444_buffer, col, row)); + } + } + + rtc::scoped_refptr<I420BufferInterface> i420_buffer(i444_buffer->ToI420()); + EXPECT_EQ(height, i420_buffer->height()); + EXPECT_EQ(width, i420_buffer->width()); + EXPECT_TRUE(test::FrameBufsEqual(reference, i420_buffer)); +} + +} // namespace webrtc |