40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef IFRAMEENCODER_H
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#define IFRAMEENCODER_H
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#pragma once
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// A frame encoder is a codec that encodes and decodes data in fixed-size frames.
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// VoiceCodec_Frame handles queuing of data and the IVoiceCodec interface.
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abstract_class IFrameEncoder
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{
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public:
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virtual ~IFrameEncoder() {}
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// This is called by VoiceCodec_Frame to see if it can initialize..
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// Fills in the uncompressed and encoded frame size (both are in BYTES).
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virtual bool Init(int quality, int &rawFrameSize, int &encodedFrameSize) = 0;
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virtual void Release() = 0;
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// pUncompressed is 8-bit signed mono sound data with 'rawFrameSize' bytes.
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// pCompressed is the size of encodedFrameSize.
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virtual void EncodeFrame(const char *pUncompressed, char *pCompressed) = 0;
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// pCompressed is encodedFrameSize.
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// pDecompressed is where the 8-bit signed mono samples are stored and has space for 'rawFrameSize' bytes.
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virtual void DecodeFrame(const char *pCompressed, char *pDecompressed) = 0;
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// Some codecs maintain state between Compress and Decompress calls. This should clear that state.
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virtual bool ResetState() = 0;
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};
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#endif // IFRAMEENCODER_H
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