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/*
* 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_UTILITY_SOURCE_CODER_H_
#define WEBRTC_MODULES_UTILITY_SOURCE_CODER_H_
#include "webrtc/common_types.h"
#include "webrtc/modules/audio_coding/main/interface/audio_coding_module.h"
#include "webrtc/system_wrappers/interface/scoped_ptr.h"
#include "webrtc/typedefs.h"
namespace webrtc {
class AudioFrame;
class AudioCoder : public AudioPacketizationCallback
{
public:
AudioCoder(uint32_t instanceID);
~AudioCoder();
int32_t SetEncodeCodec(
const CodecInst& codecInst,
ACMAMRPackingFormat amrFormat = AMRBandwidthEfficient);
int32_t SetDecodeCodec(
const CodecInst& codecInst,
ACMAMRPackingFormat amrFormat = AMRBandwidthEfficient);
int32_t Decode(AudioFrame& decodedAudio, uint32_t sampFreqHz,
const int8_t* incomingPayload, size_t payloadLength);
int32_t PlayoutData(AudioFrame& decodedAudio, uint16_t& sampFreqHz);
int32_t Encode(const AudioFrame& audio, int8_t* encodedData,
size_t& encodedLengthInBytes);
protected:
virtual int32_t SendData(
FrameType frameType,
uint8_t payloadType,
uint32_t timeStamp,
const uint8_t* payloadData,
size_t payloadSize,
const RTPFragmentationHeader* fragmentation) OVERRIDE;
private:
scoped_ptr<AudioCodingModule> _acm;
CodecInst _receiveCodec;
uint32_t _encodeTimestamp;
int8_t* _encodedData;
size_t _encodedLengthInBytes;
uint32_t _decodeTimestamp;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_UTILITY_SOURCE_CODER_H_
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