mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-17 06:29:30 +00:00
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
// TODO(mflodman) ViEEncoder has a time check to not send key frames too often,
|
|
// move the logic to this class.
|
|
|
|
#ifndef WEBRTC_VIDEO_ENGINE_ENCODER_STATE_FEEDBACK_H_
|
|
#define WEBRTC_VIDEO_ENGINE_ENCODER_STATE_FEEDBACK_H_
|
|
|
|
#include <map>
|
|
|
|
#include "webrtc/base/constructormagic.h"
|
|
#include "webrtc/base/scoped_ptr.h"
|
|
#include "webrtc/typedefs.h"
|
|
|
|
namespace webrtc {
|
|
|
|
class CriticalSectionWrapper;
|
|
class EncoderStateFeedbackObserver;
|
|
class RtcpIntraFrameObserver;
|
|
class ViEEncoder;
|
|
|
|
class EncoderStateFeedback {
|
|
public:
|
|
friend class EncoderStateFeedbackObserver;
|
|
|
|
EncoderStateFeedback();
|
|
~EncoderStateFeedback();
|
|
|
|
// Adds an encoder to receive feedback for a unique ssrc.
|
|
bool AddEncoder(uint32_t ssrc, ViEEncoder* encoder);
|
|
|
|
// Removes a registered ViEEncoder.
|
|
void RemoveEncoder(const ViEEncoder* encoder);
|
|
|
|
// Returns an observer to register at the requesting class. The observer has
|
|
// the same lifetime as the EncoderStateFeedback instance.
|
|
RtcpIntraFrameObserver* GetRtcpIntraFrameObserver();
|
|
|
|
protected:
|
|
// Called by EncoderStateFeedbackObserver when a new key frame is requested.
|
|
void OnReceivedIntraFrameRequest(uint32_t ssrc);
|
|
void OnReceivedSLI(uint32_t ssrc, uint8_t picture_id);
|
|
void OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id);
|
|
void OnLocalSsrcChanged(uint32_t old_ssrc, uint32_t new_ssrc);
|
|
|
|
private:
|
|
typedef std::map<uint32_t, ViEEncoder*> SsrcEncoderMap;
|
|
|
|
rtc::scoped_ptr<CriticalSectionWrapper> crit_;
|
|
|
|
// Instance registered at the class requesting new key frames.
|
|
rtc::scoped_ptr<EncoderStateFeedbackObserver> observer_;
|
|
|
|
// Maps a unique ssrc to the given encoder.
|
|
SsrcEncoderMap encoders_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(EncoderStateFeedback);
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_VIDEO_ENGINE_ENCODER_STATE_FEEDBACK_H_
|