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9fb83a18e3
Bug: webrtc:42226242 Change-Id: I023f058f3b5e2747bd02f01a191a91636c85f12d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/359820 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Dor Hen <dorhen@meta.com> Cr-Commit-Position: refs/heads/main@{#42801}
116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
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/*
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* Copyright (c) 2021 The WebRTC 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 "api/video/i444_buffer.h"
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#include <cstdint>
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#include <cstring>
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#include "api/scoped_refptr.h"
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#include "api/video/i420_buffer.h"
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#include "api/video/video_frame_buffer.h"
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#include "test/frame_utils.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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int GetY(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
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return buf->DataY()[row * buf->StrideY() + col];
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}
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int GetU(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
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return buf->DataU()[row * buf->StrideU() + col];
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}
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int GetV(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
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return buf->DataV()[row * buf->StrideV() + col];
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}
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void FillI444Buffer(rtc::scoped_refptr<I444Buffer> buf) {
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const uint8_t Y = 1;
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const uint8_t U = 2;
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const uint8_t V = 3;
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for (int row = 0; row < buf->height(); ++row) {
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for (int col = 0; col < buf->width(); ++col) {
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buf->MutableDataY()[row * buf->StrideY() + col] = Y;
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buf->MutableDataU()[row * buf->StrideU() + col] = U;
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buf->MutableDataV()[row * buf->StrideV() + col] = V;
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}
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}
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}
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} // namespace
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TEST(I444BufferTest, InitialData) {
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constexpr int stride = 3;
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constexpr int width = 3;
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constexpr int height = 3;
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rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
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EXPECT_EQ(width, i444_buffer->width());
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EXPECT_EQ(height, i444_buffer->height());
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EXPECT_EQ(stride, i444_buffer->StrideY());
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EXPECT_EQ(stride, i444_buffer->StrideU());
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EXPECT_EQ(stride, i444_buffer->StrideV());
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EXPECT_EQ(3, i444_buffer->ChromaWidth());
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EXPECT_EQ(3, i444_buffer->ChromaHeight());
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}
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TEST(I444BufferTest, ReadPixels) {
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constexpr int width = 3;
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constexpr int height = 3;
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rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
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// Y = 1, U = 2, V = 3.
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FillI444Buffer(i444_buffer);
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for (int row = 0; row < height; row++) {
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for (int col = 0; col < width; col++) {
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EXPECT_EQ(1, GetY(i444_buffer, col, row));
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EXPECT_EQ(2, GetU(i444_buffer, col, row));
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EXPECT_EQ(3, GetV(i444_buffer, col, row));
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}
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}
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}
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TEST(I444BufferTest, ToI420) {
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constexpr int width = 3;
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constexpr int height = 3;
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constexpr int size_y = width * height;
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constexpr int size_u = (width + 1) / 2 * (height + 1) / 2;
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constexpr int size_v = (width + 1) / 2 * (height + 1) / 2;
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rtc::scoped_refptr<I420Buffer> reference(I420Buffer::Create(width, height));
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memset(reference->MutableDataY(), 8, size_y);
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memset(reference->MutableDataU(), 4, size_u);
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memset(reference->MutableDataV(), 2, size_v);
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rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
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// Convert the reference buffer to I444.
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memset(i444_buffer->MutableDataY(), 8, size_y);
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memset(i444_buffer->MutableDataU(), 4, size_y);
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memset(i444_buffer->MutableDataV(), 2, size_y);
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// Confirm YUV values are as expected.
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for (int row = 0; row < height; row++) {
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for (int col = 0; col < width; col++) {
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EXPECT_EQ(8, GetY(i444_buffer, col, row));
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EXPECT_EQ(4, GetU(i444_buffer, col, row));
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EXPECT_EQ(2, GetV(i444_buffer, col, row));
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}
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}
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rtc::scoped_refptr<I420BufferInterface> i420_buffer(i444_buffer->ToI420());
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EXPECT_EQ(height, i420_buffer->height());
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EXPECT_EQ(width, i420_buffer->width());
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EXPECT_TRUE(test::FrameBufsEqual(reference, i420_buffer));
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}
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} // namespace webrtc
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