webrtc/modules/utility/source/coder.h

70 lines
2.0 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_UTILITY_SOURCE_CODER_H_
#define WEBRTC_MODULES_UTILITY_SOURCE_CODER_H_
#include "audio_coding_module.h"
#include "common_types.h"
#include "typedefs.h"
namespace webrtc {
class AudioFrame;
class AudioCoder : public AudioPacketizationCallback
{
public:
AudioCoder(WebRtc_UWord32 instanceID);
~AudioCoder();
WebRtc_Word32 SetEncodeCodec(
const CodecInst& codecInst,
ACMAMRPackingFormat amrFormat = AMRBandwidthEfficient);
WebRtc_Word32 SetDecodeCodec(
const CodecInst& codecInst,
ACMAMRPackingFormat amrFormat = AMRBandwidthEfficient);
WebRtc_Word32 Decode(AudioFrame& decodedAudio, WebRtc_UWord32 sampFreqHz,
const WebRtc_Word8* incomingPayload,
WebRtc_Word32 payloadLength);
WebRtc_Word32 PlayoutData(AudioFrame& decodedAudio,
WebRtc_UWord16& sampFreqHz);
WebRtc_Word32 Encode(const AudioFrame& audio,
WebRtc_Word8* encodedData,
WebRtc_UWord32& encodedLengthInBytes);
protected:
virtual WebRtc_Word32 SendData(FrameType frameType,
WebRtc_UWord8 payloadType,
WebRtc_UWord32 timeStamp,
const WebRtc_UWord8* payloadData,
WebRtc_UWord16 payloadSize,
const RTPFragmentationHeader* fragmentation);
private:
WebRtc_UWord32 _instanceID;
AudioCodingModule* _acm;
CodecInst _receiveCodec;
WebRtc_UWord32 _encodeTimestamp;
WebRtc_Word8* _encodedData;
WebRtc_UWord32 _encodedLengthInBytes;
WebRtc_UWord32 _decodeTimestamp;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_UTILITY_SOURCE_CODER_H_