84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/* SPDX-License-Identifier: MIT */
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/**
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@file wavewriter.h
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@brief Declares the AJAWavWriter class.
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@copyright (C) 2010-2021 AJA Video Systems, Inc. All rights reserved.
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**/
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#ifndef AJAWAVEWRITER_H
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#define AJAWAVEWRITER_H
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#include "public.h"
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#include "ajabase/system/file_io.h"
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class AJA_EXPORT AJAWavWriterAudioFormat
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{
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public:
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AJAWavWriterAudioFormat(const int inChannelCount = 2, const int inSampleRate = 48000, const int inSampleSizeBits = 16)
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: channelCount (inChannelCount),
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sampleRate (inSampleRate),
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sampleSize (inSampleSizeBits)
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{
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}
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int channelCount;
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int sampleRate;
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int sampleSize;
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};
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class AJA_EXPORT AJAWavWriterVideoFormat
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{
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public:
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AJAWavWriterVideoFormat() { rateDuration = 30000; rateScale = 1001; }
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uint32_t rateDuration;
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uint32_t rateScale;
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};
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enum AJAWavWriterChunkFlag
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{
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AJAWavWriterChunkFlagStandard = 1 << 0,
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AJAWavWriterChunkFlagBextV1 = 1 << 1
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};
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class AJA_EXPORT AJAWavWriter : public AJAFileIO
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{
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public:
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AJAWavWriter(const std::string & name,
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const AJAWavWriterAudioFormat & audioFormat = AJAWavWriterAudioFormat(),
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const AJAWavWriterVideoFormat & videoFormat = AJAWavWriterVideoFormat(),
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const std::string & startTimecode = "00:00:00;00", AJAWavWriterChunkFlag flags = AJAWavWriterChunkFlagStandard,
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bool useFloatNotPCM = false);
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bool open();
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void close();
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uint32_t write(const char* data, uint32_t len);
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protected:
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AJAStatus Open(const std::string& fileName, int flags, AJAFileProperties properties);
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AJAStatus Close(void);
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private:
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uint32_t writeRawData(const char* data,uint32_t len);
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uint32_t writeRawData(char* data,uint32_t len);
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uint32_t writeRaw_uint8_t(uint8_t value, uint32_t count=1);
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uint32_t writeRaw_uint16_t(uint16_t value, uint32_t count=1);
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uint32_t writeRaw_uint32_t(uint32_t value, uint32_t count=1);
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void writeHeader();
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std::string mFileName;
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AJAWavWriterAudioFormat mAudioFormat;
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AJAWavWriterVideoFormat mVideoFormat;
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std::string mStartTimecode;
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AJAWavWriterChunkFlag mFlags;
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bool mLittleEndian;
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int32_t mSizeOfHeader;
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bool mUseFloatData;
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};
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#endif // AJAWAVEWRITER_H
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