chromium/media/mojo/clients/mojo_video_encode_accelerator_unittest.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <stddef.h>

#include <memory>

#include "base/memory/ptr_util.h"
#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "gpu/config/gpu_info.h"
#include "media/base/bitstream_buffer.h"
#include "media/base/media_util.h"
#include "media/mojo/clients/mojo_video_encode_accelerator.h"
#include "media/mojo/mojom/video_encode_accelerator.mojom.h"
#include "media/video/video_encode_accelerator.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

_;
InSequence;
Invoke;

namespace media {

MATCHER_P(ExpectEncoderStatusCode, expected_code, "encoder status code") { … }

static const gfx::Size kInputVisibleSize(64, 48);

// Mock implementation of the Mojo "service" side of the VEA dialogue. Upon an
// Initialize() call, checks |initialization_success_| and responds to |client|
// with a RequireBitstreamBuffers() if so configured; upon Encode(), responds
// with a BitstreamBufferReady() with the bitstream buffer id previously
// configured by a call to UseOutputBitstreamBuffer(). This mock class only
// allows for one bitstream buffer in flight.
class MockMojoVideoEncodeAccelerator : public mojom::VideoEncodeAccelerator { … };

// Mock implementation of the client of MojoVideoEncodeAccelerator.
class MockVideoEncodeAcceleratorClient : public VideoEncodeAccelerator::Client { … };

// Test wrapper for a MojoVideoEncodeAccelerator, which translates between a
// pipe to a remote mojom::MojoVideoEncodeAccelerator, and a local
// media::VideoEncodeAccelerator::Client.
class MojoVideoEncodeAcceleratorTest : public ::testing::Test { … };

TEST_F(MojoVideoEncodeAcceleratorTest, CreateAndDestroy) { … }

// This test verifies the Initialize() communication prologue in isolation.
TEST_F(MojoVideoEncodeAcceleratorTest, InitializeAndRequireBistreamBuffers) { … }

// This test verifies the Initialize() communication prologue followed by a
// sharing of a single bitstream buffer and the Encode() of one frame.
TEST_F(MojoVideoEncodeAcceleratorTest, EncodeOneFrame) { … }

// Tests that a RequestEncodingParametersChange() ripples through correctly.
TEST_F(MojoVideoEncodeAcceleratorTest, EncodingParametersChange) { … }

// Tests that a RequestEncodingParametersChange() works with multi-dimensional
// bitrate allocation.
TEST_F(MojoVideoEncodeAcceleratorTest,
       EncodingParametersWithBitrateAllocation) { … }

// This test verifies RequestEncodingParametersChange() communication with
// updated frame size.
TEST_F(MojoVideoEncodeAcceleratorTest, EncodingParametersChangeWithFrameSize) { … }

// Tests that a RequestEncodingParametersChange() works with multi-dimensional
// bitrate allocation and updated frame size.
TEST_F(MojoVideoEncodeAcceleratorTest,
       EncodingParametersChangeWithBitrateAllocationAndFrameSize) { … }

// This test verifies the Initialize() communication prologue fails when the
// FakeVEA is configured to do so.
TEST_F(MojoVideoEncodeAcceleratorTest, InitializeFailure) { … }

// Test that mojo disconnect before initialize is surfaced as a platform error.
TEST_F(MojoVideoEncodeAcceleratorTest, MojoDisconnectBeforeInitialize) { … }

// Test that mojo disconnect after initialize is surfaced as a platform error.
TEST_F(MojoVideoEncodeAcceleratorTest, MojoDisconnectAfterInitialize) { … }

// This test verifies the IsFlushSupported() and Flush() communication.
TEST_F(MojoVideoEncodeAcceleratorTest, IsFlushSupportedAndFlush) { … }

}  // namespace media