77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef PCMFILE_H
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#define PCMFILE_H
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#include "typedefs.h"
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#include "module_common_types.h"
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#include <cstdio>
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#include <cstdlib>
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// class PCMStream
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// {
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// protected:
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// PCMStream(){}
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// ~PCMStream(){}
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// public:
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// virtual WebRtc_Word32 Read10MsData(AudioFrame& audioFrame) = 0;
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// virtual void Write10MsData(WebRtc_Word16 *playoutBuffer, WebRtc_UWord16 playoutLengthSmpls) = 0;
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// virtual WebRtc_UWord16 PayloadLength10Ms() const = 0;
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// virtual WebRtc_Word32 SamplingFrequency() const = 0;
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// };
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using namespace webrtc;
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class PCMFile /*: public PCMStream*/
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{
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public:
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PCMFile();
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~PCMFile()
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{
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if(_pcmFile != NULL)
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{
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fclose(_pcmFile);
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}
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}
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void Open(char *filename, WebRtc_UWord16 frequency, const char *mode, bool autoRewind = false);
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WebRtc_Word32 Read10MsData(AudioFrame& audioFrame);
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void Write10MsData(WebRtc_Word16 *playoutBuffer, WebRtc_UWord16 playoutLengthSmpls);
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void Write10MsData(AudioFrame& audioFrame);
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WebRtc_UWord16 PayloadLength10Ms() const;
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WebRtc_Word32 SamplingFrequency() const;
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void Close();
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bool EndOfFile() const { return _endOfFile; }
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void Rewind();
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static WebRtc_Word16 ChooseFile(char* fileName, WebRtc_Word16 maxLen, WebRtc_UWord16* frequencyHz);
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static WebRtc_Word16 ChooseFile(char* fileName, WebRtc_Word16 maxLen);
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bool Rewinded();
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void SaveStereo(
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bool saveStereo = true);
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void ReadStereo(
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bool readStereo = true);
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private:
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FILE* _pcmFile;
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WebRtc_UWord16 _nSamples10Ms;
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WebRtc_Word32 _frequency;
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bool _endOfFile;
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bool _autoRewind;
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bool _rewinded;
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WebRtc_UWord32 _timestamp;
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bool _saveStereo;
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bool _readStereo;
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};
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#endif
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