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// Copyright 2013 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 MEDIA_CAST_CAST_SENDER_IMPL_H_
#define MEDIA_CAST_CAST_SENDER_IMPL_H_
#include <memory>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "media/cast/cast_environment.h"
#include "media/cast/cast_sender.h"
#include "media/cast/sender/audio_sender.h"
#include "media/cast/sender/video_sender.h"
namespace media {
namespace cast {
class AudioSender;
class VideoSender;
// This class combines all required sending objects such as the audio and video
// senders, pacer, packet receiver and frame input.
class CastSenderImpl final : public CastSender {
public:
CastSenderImpl(scoped_refptr<CastEnvironment> cast_environment,
CastTransport* const transport_sender);
void InitializeAudio(const FrameSenderConfig& audio_config,
StatusChangeOnceCallback status_change_cb) final;
void InitializeVideo(
const FrameSenderConfig& video_config,
const StatusChangeCallback& status_change_cb,
const CreateVideoEncodeAcceleratorCallback& create_vea_cb) final;
void SetTargetPlayoutDelay(base::TimeDelta new_target_playout_delay) final;
CastSenderImpl(const CastSenderImpl&) = delete;
CastSenderImpl& operator=(const CastSenderImpl&) = delete;
~CastSenderImpl() final;
scoped_refptr<AudioFrameInput> audio_frame_input() final;
scoped_refptr<VideoFrameInput> video_frame_input() final;
private:
void ReceivedPacket(std::unique_ptr<Packet> packet);
void OnAudioStatusChange(StatusChangeOnceCallback status_change_cb,
OperationalStatus status);
void OnVideoStatusChange(const StatusChangeCallback& status_change_cb,
OperationalStatus status);
std::unique_ptr<AudioSender> audio_sender_;
std::unique_ptr<VideoSender> video_sender_;
scoped_refptr<AudioFrameInput> audio_frame_input_;
scoped_refptr<VideoFrameInput> video_frame_input_;
scoped_refptr<CastEnvironment> cast_environment_;
// The transport sender is owned by the owner of the CastSender, and should be
// valid throughout the lifetime of the CastSender.
CastTransport* const transport_sender_;
// NOTE: Weak pointers must be invalidated before all other member variables.
base::WeakPtrFactory<CastSenderImpl> weak_factory_{this};
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_CAST_SENDER_IMPL_H_
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