151 lines
5.5 KiB
C++
151 lines
5.5 KiB
C++
/*
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* Copyright (c) 2015 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 <stdio.h>
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#include <memory>
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#include <string>
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#include "testing/gtest/include/gtest/gtest.h"
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#include "webrtc/test/frame_generator.h"
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#include "webrtc/test/testsupport/fileutils.h"
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namespace webrtc {
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namespace test {
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static const int kFrameWidth = 4;
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static const int kFrameHeight = 4;
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class FrameGeneratorTest : public ::testing::Test {
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public:
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void SetUp() override {
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two_frame_filename_ =
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test::TempFilename(test::OutputPath(), "2_frame_yuv_file");
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one_frame_filename_ =
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test::TempFilename(test::OutputPath(), "1_frame_yuv_file");
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FILE* file = fopen(two_frame_filename_.c_str(), "wb");
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WriteYuvFile(file, 0, 0, 0);
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WriteYuvFile(file, 127, 127, 127);
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fclose(file);
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file = fopen(one_frame_filename_.c_str(), "wb");
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WriteYuvFile(file, 255, 255, 255);
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fclose(file);
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}
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void TearDown() override {
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remove(one_frame_filename_.c_str());
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remove(two_frame_filename_.c_str());
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}
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protected:
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void WriteYuvFile(FILE* file, uint8_t y, uint8_t u, uint8_t v) {
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assert(file);
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std::unique_ptr<uint8_t[]> plane_buffer(new uint8_t[y_size]);
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memset(plane_buffer.get(), y, y_size);
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fwrite(plane_buffer.get(), 1, y_size, file);
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memset(plane_buffer.get(), u, uv_size);
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fwrite(plane_buffer.get(), 1, uv_size, file);
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memset(plane_buffer.get(), v, uv_size);
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fwrite(plane_buffer.get(), 1, uv_size, file);
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}
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void CheckFrameAndMutate(VideoFrame* frame, uint8_t y, uint8_t u, uint8_t v) {
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// Check that frame is valid, has the correct color and timestamp are clean.
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ASSERT_NE(nullptr, frame);
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const uint8_t* buffer;
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ASSERT_EQ(y_size, frame->allocated_size(PlaneType::kYPlane));
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buffer = frame->video_frame_buffer()->DataY();
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for (int i = 0; i < y_size; ++i)
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ASSERT_EQ(y, buffer[i]);
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ASSERT_EQ(uv_size, frame->allocated_size(PlaneType::kUPlane));
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buffer = frame->video_frame_buffer()->DataU();
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for (int i = 0; i < uv_size; ++i)
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ASSERT_EQ(u, buffer[i]);
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ASSERT_EQ(uv_size, frame->allocated_size(PlaneType::kVPlane));
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buffer = frame->video_frame_buffer()->DataV();
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for (int i = 0; i < uv_size; ++i)
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ASSERT_EQ(v, buffer[i]);
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EXPECT_EQ(0, frame->ntp_time_ms());
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EXPECT_EQ(0, frame->render_time_ms());
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EXPECT_EQ(0u, frame->timestamp());
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// Mutate to something arbitrary non-zero.
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frame->set_ntp_time_ms(11);
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frame->set_render_time_ms(12);
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frame->set_timestamp(13);
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}
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std::string two_frame_filename_;
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std::string one_frame_filename_;
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const int y_size = kFrameWidth * kFrameHeight;
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const int uv_size = ((kFrameHeight + 1) / 2) * ((kFrameWidth + 1) / 2);
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};
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TEST_F(FrameGeneratorTest, SingleFrameFile) {
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std::unique_ptr<FrameGenerator> generator(FrameGenerator::CreateFromYuvFile(
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std::vector<std::string>(1, one_frame_filename_), kFrameWidth,
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kFrameHeight, 1));
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CheckFrameAndMutate(generator->NextFrame(), 255, 255, 255);
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CheckFrameAndMutate(generator->NextFrame(), 255, 255, 255);
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}
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TEST_F(FrameGeneratorTest, TwoFrameFile) {
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std::unique_ptr<FrameGenerator> generator(FrameGenerator::CreateFromYuvFile(
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std::vector<std::string>(1, two_frame_filename_), kFrameWidth,
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kFrameHeight, 1));
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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CheckFrameAndMutate(generator->NextFrame(), 127, 127, 127);
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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}
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TEST_F(FrameGeneratorTest, MultipleFrameFiles) {
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std::vector<std::string> files;
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files.push_back(two_frame_filename_);
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files.push_back(one_frame_filename_);
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std::unique_ptr<FrameGenerator> generator(
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FrameGenerator::CreateFromYuvFile(files, kFrameWidth, kFrameHeight, 1));
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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CheckFrameAndMutate(generator->NextFrame(), 127, 127, 127);
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CheckFrameAndMutate(generator->NextFrame(), 255, 255, 255);
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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}
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TEST_F(FrameGeneratorTest, TwoFrameFileWithRepeat) {
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const int kRepeatCount = 3;
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std::unique_ptr<FrameGenerator> generator(FrameGenerator::CreateFromYuvFile(
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std::vector<std::string>(1, two_frame_filename_), kFrameWidth,
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kFrameHeight, kRepeatCount));
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for (int i = 0; i < kRepeatCount; ++i)
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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for (int i = 0; i < kRepeatCount; ++i)
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CheckFrameAndMutate(generator->NextFrame(), 127, 127, 127);
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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}
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TEST_F(FrameGeneratorTest, MultipleFrameFilesWithRepeat) {
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const int kRepeatCount = 3;
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std::vector<std::string> files;
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files.push_back(two_frame_filename_);
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files.push_back(one_frame_filename_);
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std::unique_ptr<FrameGenerator> generator(FrameGenerator::CreateFromYuvFile(
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files, kFrameWidth, kFrameHeight, kRepeatCount));
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for (int i = 0; i < kRepeatCount; ++i)
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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for (int i = 0; i < kRepeatCount; ++i)
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CheckFrameAndMutate(generator->NextFrame(), 127, 127, 127);
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for (int i = 0; i < kRepeatCount; ++i)
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CheckFrameAndMutate(generator->NextFrame(), 255, 255, 255);
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CheckFrameAndMutate(generator->NextFrame(), 0, 0, 0);
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}
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} // namespace test
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} // namespace webrtc
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