webrtc/modules/video_coding/main/source/generic_encoder.h

140 lines
4.4 KiB
C++

/*
* Copyright (c) 2011 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.
*/
#ifndef WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
#define WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
#include "video_codec_interface.h"
#include <stdio.h>
namespace webrtc
{
class VCMMediaOptimization;
/*************************************/
/* VCMEncodeFrameCallback class */
/***********************************/
class VCMEncodedFrameCallback : public EncodedImageCallback
{
public:
VCMEncodedFrameCallback();
virtual ~VCMEncodedFrameCallback();
/*
* Callback implementation - codec encode complete
*/
WebRtc_Word32 Encoded(EncodedImage& encodedImage, const void* codecSpecificInfo = NULL,
const RTPFragmentationHeader* fragmentationHeader = NULL);
/*
* Get number of encoded bytes
*/
WebRtc_UWord32 EncodedBytes();
/*
* Callback implementation - generic encoder encode complete
*/
WebRtc_Word32 SetTransportCallback(VCMPacketizationCallback* transport);
/**
* Set media Optimization
*/
void SetMediaOpt (VCMMediaOptimization* mediaOpt);
void SetPayloadType(WebRtc_UWord8 payloadType) { _payloadType = payloadType; };
void SetCodecType(VideoCodecType codecType) {_codecType = codecType;};
void SetInternalSource(bool internalSource) { _internalSource = internalSource; };
private:
VCMPacketizationCallback* _sendCallback;
VCMMediaOptimization* _mediaOpt;
WebRtc_UWord32 _encodedBytes;
WebRtc_UWord8 _payloadType;
VideoCodecType _codecType;
bool _internalSource;
FILE* _bitStreamAfterEncoder;
};// end of VCMEncodeFrameCallback class
/******************************/
/* VCMGenericEncoder class */
/******************************/
class VCMGenericEncoder
{
friend class VCMCodecDataBase;
public:
VCMGenericEncoder(VideoEncoder& encoder, bool internalSource = false);
~VCMGenericEncoder();
/**
* Reset the encoder state, prepare for a new call
*/
WebRtc_Word32 Reset();
/**
* Free encoder memory
*/
WebRtc_Word32 Release();
/**
* Initialize the encoder with the information from the VideoCodec
*/
WebRtc_Word32 InitEncode(const VideoCodec* settings,
WebRtc_Word32 numberOfCores,
WebRtc_UWord32 maxPayloadSize);
/**
* Encode raw image
* inputFrame : Frame containing raw image
* codecSpecificInfo : Specific codec data
* cameraFrameRate : request or information from the remote side
* frameType : The requested frame type to encode
*/
WebRtc_Word32 Encode(const VideoFrame& inputFrame,
const void* codecSpecificInfo,
FrameType frameType);
/**
* Set new target bit rate and frame rate
* Return Value: new bit rate if OK, otherwise <0s
*/
WebRtc_Word32 SetRates(WebRtc_UWord32 newBitRate, WebRtc_UWord32 frameRate);
/**
* Set a new packet loss rate
*/
WebRtc_Word32 SetPacketLoss(WebRtc_Word32 packetLoss);
WebRtc_Word32 CodecConfigParameters(WebRtc_UWord8* buffer, WebRtc_Word32 size);
/**
* Register a transport callback which will be called to deliver the encoded buffers
*/
WebRtc_Word32 RegisterEncodeCallback(VCMEncodedFrameCallback* VCMencodedFrameCallback);
/**
* Get encoder bit rate
*/
WebRtc_UWord32 BitRate() const;
/**
* Get encoder frame rate
*/
WebRtc_UWord32 FrameRate() const;
WebRtc_Word32 SetPeriodicKeyFrames(bool enable);
WebRtc_Word32 RequestFrame(FrameType frameType);
bool InternalSource() const;
private:
VideoEncoder& _encoder;
VideoCodecType _codecType;
VCMEncodedFrameCallback* _VCMencodedFrameCallback;
WebRtc_UWord32 _bitRate;
WebRtc_UWord32 _frameRate;
bool _internalSource;
}; // end of VCMGenericEncoder class
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_