102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
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/******************************************************************************
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File: SoundFile.h
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Description: Interface for a format-insensitive sound file object.
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Copyright 1995-97, Be Incorporated
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******************************************************************************/
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#ifndef _SOUND_FILE_H
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#define _SOUND_FILE_H
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#ifndef _BE_BUILD_H
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#include <BeBuild.h>
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#endif
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#include <MediaDefs.h>
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#include <Entry.h>
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#include <File.h>
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enum /* sound_format*/
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{ B_UNKNOWN_FILE,
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B_AIFF_FILE,
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B_WAVE_FILE,
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B_UNIX_FILE };
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class BSoundFile {
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public:
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BSoundFile();
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BSoundFile(const entry_ref *ref,
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uint32 open_mode);
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virtual ~BSoundFile();
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status_t InitCheck() const;
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status_t SetTo(const entry_ref *ref, uint32 open_mode);
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int32 FileFormat() const;
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int32 SamplingRate() const;
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int32 CountChannels() const;
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int32 SampleSize() const;
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int32 ByteOrder() const;
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int32 SampleFormat() const;
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int32 FrameSize() const;
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off_t CountFrames() const;
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bool IsCompressed() const;
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int32 CompressionType() const;
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char *CompressionName() const;
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virtual int32 SetFileFormat(int32 format);
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virtual int32 SetSamplingRate(int32 fps);
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virtual int32 SetChannelCount(int32 spf);
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virtual int32 SetSampleSize(int32 bps);
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virtual int32 SetByteOrder(int32 bord);
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virtual int32 SetSampleFormat(int32 fmt);
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virtual int32 SetCompressionType(int32 type);
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virtual char *SetCompressionName(char *name);
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virtual bool SetIsCompressed(bool tf);
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virtual off_t SetDataLocation(off_t offset);
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virtual off_t SetFrameCount(off_t count);
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size_t ReadFrames(char *buf, size_t count);
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size_t WriteFrames(char *buf, size_t count);
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virtual off_t SeekToFrame(off_t n);
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off_t FrameIndex() const;
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off_t FramesRemaining() const;
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BFile *fSoundFile;
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private:
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virtual void _ReservedSoundFile1();
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virtual void _ReservedSoundFile2();
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virtual void _ReservedSoundFile3();
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int32 fFileFormat;
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int32 fSamplingRate;
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int32 fChannelCount;
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int32 fSampleSize;
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int32 fByteOrder;
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int32 fSampleFormat;
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off_t fByteOffset; /* offset to first sample */
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off_t fFrameCount;
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off_t fFrameIndex;
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bool fIsCompressed;
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int32 fCompressionType;
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char *fCompressionName;
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status_t fCStatus;
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void _init_raw_stats();
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status_t _ref_to_file(const entry_ref *ref);
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uint32 _reserved[4];
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};
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#endif /* #ifndef _SOUND_FILE_H*/
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