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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.
//
// This is the main interface for the cast sender. All configuration are done
// at creation.
//
// The FrameInput and PacketReciever interfaces should normally be accessed from
// the IO thread. However they are allowed to be called from any thread.
#ifndef MEDIA_CAST_CAST_SENDER_H_
#define MEDIA_CAST_CAST_SENDER_H_
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "media/cast/cast_config.h"
#include "media/cast/cast_thread.h"
namespace media {
namespace cast {
// This Class is thread safe.
class FrameInput {
public:
// The video_frame must be valid until the callback is called.
// The callback is called from the main cast thread as soon as
// the encoder is done with the frame; it does not mean that the encoded frame
// has been sent out.
virtual void InsertRawVideoFrame(const I420VideoFrame* video_frame,
const base::TimeTicks& capture_time,
const base::Closure callback) = 0;
// The video_frame must be valid until the callback is called.
// The callback is called from the main cast thread as soon as
// the cast sender is done with the frame; it does not mean that the encoded
// frame has been sent out.
virtual void InsertCodedVideoFrame(const EncodedVideoFrame* video_frame,
const base::TimeTicks& capture_time,
const base::Closure callback) = 0;
// The audio_frame must be valid until the callback is called.
// The callback is called from the main cast thread as soon as
// the encoder is done with the frame; it does not mean that the encoded frame
// has been sent out.
virtual void InsertRawAudioFrame(const PcmAudioFrame* audio_frame,
const base::TimeTicks& recorded_time,
const base::Closure callback) = 0;
// The audio_frame must be valid until the callback is called.
// The callback is called from the main cast thread as soon as
// the cast sender is done with the frame; it does not mean that the encoded
// frame has been sent out.
virtual void InsertCodedAudioFrame(const EncodedAudioFrame* audio_frame,
const base::TimeTicks& recorded_time,
const base::Closure callback) = 0;
protected:
virtual ~FrameInput() {}
};
// This Class is thread safe.
class CastSender {
public:
static CastSender* CreateCastSender(
scoped_refptr<CastThread> cast_thread,
const AudioSenderConfig& audio_config,
const VideoSenderConfig& video_config,
VideoEncoderController* const video_encoder_controller,
PacketSender* const packet_sender);
virtual ~CastSender() {};
// All audio and video frames for the session should be inserted to this
// object.
// Can be called from any thread.
virtual scoped_refptr<FrameInput> frame_input() = 0;
// All RTCP packets for the session should be inserted to this object.
// Can be called from any thread.
virtual scoped_refptr<PacketReceiver> packet_receiver() = 0;
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_CAST_SENDER_H_
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