56 lines
1.0 KiB
C++
56 lines
1.0 KiB
C++
#ifndef WAVEAUDIOSTREAM_H
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#define WAVEAUDIOSTREAM_H
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#include "abstracttrack.h"
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#include <fstream>
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namespace Media
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{
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class LIB_EXPORT WaveFormatHeader
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{
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public:
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WaveFormatHeader();
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void parse(IoUtilities::BinaryReader &reader);
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MediaFormat format() const;
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uint32 bitrate() const;
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uint16 formatTag;
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uint16 channelCount;
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uint16 sampleRate;
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uint16 bytesPerSecond;
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uint16 chunkSize;
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uint16 bitsPerSample;
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};
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/*!
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* \brief Calculates the bitrate from the header data.
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*/
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inline uint32 WaveFormatHeader::bitrate() const
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{
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return bitsPerSample * sampleRate * channelCount;
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}
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class LIB_EXPORT WaveAudioStream : public AbstractTrack
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{
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public:
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WaveAudioStream(std::iostream &stream, uint64 startOffset);
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virtual ~WaveAudioStream();
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virtual TrackType type() const;
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static void addInfo(const WaveFormatHeader &waveHeader, AbstractTrack &track);
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protected:
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virtual void internalParseHeader();
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private:
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uint64 m_dataOffset;
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};
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}
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#endif // WAVEAUDIOSTREAM_H
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