104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "mediapipe/framework/formats/image_frame_pool.h"
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#include "absl/memory/memory.h"
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#include "mediapipe/framework/port/gmock.h"
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#include "mediapipe/framework/port/gtest.h"
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#include "mediapipe/framework/port/status.h"
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namespace mediapipe {
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namespace {
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using Pair = std::pair<int, int>;
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constexpr int kWidth = 300;
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constexpr int kHeight = 200;
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constexpr ImageFormat::Format kFormat = ImageFormat::SRGBA;
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constexpr int kKeepCount = 2;
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class ImageFramePoolTest : public ::testing::Test {
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protected:
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ImageFramePoolTest() {
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pool_ = ImageFramePool::Create(kWidth, kHeight, kFormat, kKeepCount);
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}
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void SetUp() override {}
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std::shared_ptr<ImageFramePool> pool_;
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};
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TEST_F(ImageFramePoolTest, GetBuffer) {
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EXPECT_EQ(Pair(0, 0), pool_->GetInUseAndAvailableCounts());
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auto buffer = pool_->GetBuffer();
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EXPECT_EQ(Pair(1, 0), pool_->GetInUseAndAvailableCounts());
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buffer = nullptr;
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EXPECT_EQ(Pair(0, 1), pool_->GetInUseAndAvailableCounts());
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buffer = pool_->GetBuffer();
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EXPECT_EQ(Pair(1, 0), pool_->GetInUseAndAvailableCounts());
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}
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TEST_F(ImageFramePoolTest, GetMoreBuffers) {
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EXPECT_EQ(Pair(0, 0), pool_->GetInUseAndAvailableCounts());
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std::vector<ImageFrameSharedPtr> buffers;
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// Create kKeepCount + 1 buffers
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for (int i = 0; i <= kKeepCount; i++) {
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buffers.emplace_back(pool_->GetBuffer());
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}
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EXPECT_EQ(Pair(kKeepCount + 1, 0), pool_->GetInUseAndAvailableCounts());
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// Delete one
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buffers.resize(kKeepCount);
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EXPECT_EQ(Pair(kKeepCount, 0), pool_->GetInUseAndAvailableCounts());
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// Delete all
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buffers.resize(0);
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EXPECT_EQ(Pair(0, kKeepCount), pool_->GetInUseAndAvailableCounts());
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// Create one more
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buffers.emplace_back(pool_->GetBuffer());
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EXPECT_EQ(Pair(1, kKeepCount - 1), pool_->GetInUseAndAvailableCounts());
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}
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TEST_F(ImageFramePoolTest, DeleteNotLast) {
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EXPECT_EQ(Pair(0, 0), pool_->GetInUseAndAvailableCounts());
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std::vector<ImageFrameSharedPtr> buffers;
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// Create kKeepCount + 1 buffers
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for (int i = 0; i <= kKeepCount; i++) {
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buffers.emplace_back(pool_->GetBuffer());
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}
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EXPECT_EQ(Pair(kKeepCount + 1, 0), pool_->GetInUseAndAvailableCounts());
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// Delete second
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buffers.erase(buffers.begin() + 1);
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EXPECT_EQ(Pair(kKeepCount, 0), pool_->GetInUseAndAvailableCounts());
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// Delete first
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buffers.erase(buffers.begin());
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EXPECT_EQ(Pair(kKeepCount - 1, 1), pool_->GetInUseAndAvailableCounts());
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}
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TEST(ImageFrameBufferPoolStaticTest, BufferCanOutlivePool) {
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auto pool = ImageFramePool::Create(kWidth, kHeight, kFormat, kKeepCount);
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auto buffer = pool->GetBuffer();
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pool = nullptr;
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buffer = nullptr;
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}
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} // anonymous namespace
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} // namespace mediapipe
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