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// Copyright 2015 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.
#ifndef REMOTING_TEST_TEST_VIDEO_RENDERER_H_
#define REMOTING_TEST_TEST_VIDEO_RENDERER_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "remoting/protocol/session_config.h"
#include "remoting/protocol/video_renderer.h"
#include "remoting/protocol/video_stub.h"
namespace base {
class Thread;
class SingleThreadTaskRunner;
}
namespace webrtc {
class DesktopFrame;
class DesktopRect;
}
namespace remoting {
namespace test {
struct RGBValue;
// Processes video packets as they are received from the remote host. Must be
// used from a thread running a message loop and this class will use that
// message loop to execute the done callbacks passed by the caller of
// ProcessVideoPacket.
class TestVideoRenderer : public protocol::VideoRenderer,
public protocol::VideoStub {
public:
TestVideoRenderer();
~TestVideoRenderer() override;
// VideoRenderer interface.
void OnSessionConfig(const protocol::SessionConfig& config) override;
protocol::VideoStub* GetVideoStub() override;
protocol::FrameConsumer* GetFrameConsumer() override;
// protocol::VideoStub interface.
void ProcessVideoPacket(scoped_ptr<VideoPacket> video_packet,
const base::Closure& done) override;
// Initialize a decoder to decode video packets.
void SetCodecForDecoding(const protocol::ChannelConfig::Codec codec);
// Returns a copy of the current frame.
scoped_ptr<webrtc::DesktopFrame> GetCurrentFrameForTest() const;
// Gets a weak pointer for this object.
base::WeakPtr<TestVideoRenderer> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
// Set expected rect and average color for comparison and the callback will be
// called when the pattern is matched.
void ExpectAverageColorInRect(
const webrtc::DesktopRect& expected_rect,
const RGBValue& expected_average_color,
const base::Closure& image_pattern_matched_callback);
// Turn on/off saving video frames to disk.
void SaveFrameDataToDisk(bool save_frame_data_to_disk);
private:
// The actual implementation resides in Core class.
class Core;
scoped_ptr<Core> core_;
// Used to ensure TestVideoRenderer methods are called on the same thread.
base::ThreadChecker thread_checker_;
// Used to decode and process video packets.
scoped_ptr<base::Thread> video_decode_thread_;
// Used to post tasks to video decode thread.
scoped_refptr<base::SingleThreadTaskRunner> video_decode_task_runner_;
// Used to weakly bind |this| to methods.
// NOTE: Weak pointers must be invalidated before all other member variables.
base::WeakPtrFactory<TestVideoRenderer> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(TestVideoRenderer);
};
} // namespace test
} // namespace remoting
#endif // REMOTING_TEST_TEST_VIDEO_RENDERER_H_
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