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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include "base/macros.h"
#include "media/base/video_frame.h"
#include "media/cdm/api/content_decryption_module.h"
#include "media/cdm/cdm_helpers.h"
#include "media/cdm/simple_cdm_allocator.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
class TestCdmBuffer : public cdm::Buffer {
public:
static TestCdmBuffer* Create(uint32_t capacity) {
return new TestCdmBuffer(capacity);
}
// cdm::Buffer implementation.
void Destroy() {
DestroyCalled();
delete this;
}
uint32_t Capacity() const { return buffer_.size(); }
uint8_t* Data() { return buffer_.data(); }
void SetSize(uint32_t size) { size_ = size > Capacity() ? 0 : size; }
uint32_t Size() const { return size_; }
private:
TestCdmBuffer(uint32_t capacity) : buffer_(capacity), size_(0) {
// Verify that Destroy() is called on this object.
EXPECT_CALL(*this, DestroyCalled());
}
~TestCdmBuffer() final {}
MOCK_METHOD0(DestroyCalled, void());
std::vector<uint8_t> buffer_;
uint32_t size_;
DISALLOW_COPY_AND_ASSIGN(TestCdmBuffer);
};
class SimpleCdmAllocatorTest : public testing::Test {
public:
SimpleCdmAllocatorTest() {}
~SimpleCdmAllocatorTest() override {}
protected:
SimpleCdmAllocator allocator_;
private:
DISALLOW_COPY_AND_ASSIGN(SimpleCdmAllocatorTest);
};
TEST_F(SimpleCdmAllocatorTest, CreateCdmBuffer) {
cdm::Buffer* buffer = allocator_.CreateCdmBuffer(100);
EXPECT_GE(buffer->Capacity(), 100u);
buffer->Destroy();
}
TEST_F(SimpleCdmAllocatorTest, CreateCdmVideoFrame) {
scoped_ptr<VideoFrameImpl> video_frame = allocator_.CreateCdmVideoFrame();
EXPECT_EQ(video_frame->FrameBuffer(), nullptr);
video_frame->SetFrameBuffer(TestCdmBuffer::Create(100));
EXPECT_NE(video_frame->FrameBuffer(), nullptr);
// Releasing |video_frame| should free the cdm::Buffer created above
// (verified by the mock method TestCdmBuffer::DestroyCalled).
video_frame.reset();
}
TEST_F(SimpleCdmAllocatorTest, TransformToVideoFrame) {
// For this test we need to pretend we have valid video data. So create
// a small video frame of size 2x2.
gfx::Size size(2, 2);
size_t memory_needed = VideoFrame::AllocationSize(PIXEL_FORMAT_YV12, size);
// Now create a VideoFrameImpl.
scoped_ptr<VideoFrameImpl> video_frame = allocator_.CreateCdmVideoFrame();
EXPECT_EQ(video_frame->FrameBuffer(), nullptr);
// Fill VideoFrameImpl as if it was a small video frame.
video_frame->SetFormat(cdm::kI420);
video_frame->SetSize(cdm::Size(size.width(), size.height()));
video_frame->SetFrameBuffer(TestCdmBuffer::Create(memory_needed));
video_frame->FrameBuffer()->SetSize(memory_needed);
// Now transform VideoFrameImpl to a VideoFrame, and make sure that
// FrameBuffer() is transferred to the new object.
EXPECT_NE(video_frame->FrameBuffer(), nullptr);
scoped_refptr<media::VideoFrame> transformed_frame =
video_frame->TransformToVideoFrame(size);
EXPECT_EQ(video_frame->FrameBuffer(), nullptr);
// Releasing |transformed_frame| should free the cdm::Buffer created above
// (verified by the mock method TestCdmBuffer::DestroyCalled).
transformed_frame = nullptr;
}
} // namespace media
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