It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00
commit 52a3801208
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+/******************************************************************************
+
+	File: SoundFile.h
+
+	Description:	Interface for a format-insensitive sound file object.
+
+	Copyright 1995-97, Be Incorporated
+
+******************************************************************************/
+
+
+#ifndef _SOUND_FILE_H
+#define _SOUND_FILE_H
+
+#ifndef _BE_BUILD_H
+#include <BeBuild.h>
+#endif
+#include <MediaDefs.h>
+#include <Entry.h>
+#include <File.h>
+
+enum  /* sound_format*/
+{ B_UNKNOWN_FILE, 
+  B_AIFF_FILE, 
+  B_WAVE_FILE, 
+  B_UNIX_FILE };
+
+class BSoundFile  {
+
+public:
+					BSoundFile();
+					BSoundFile(const entry_ref *ref,
+							   uint32 open_mode);
+	virtual			~BSoundFile();
+
+	status_t		InitCheck() const;
+
+	status_t		SetTo(const entry_ref *ref, uint32 open_mode);
+
+	int32			FileFormat() const;
+	int32			SamplingRate() const;
+	int32			CountChannels() const;
+	int32			SampleSize() const;
+	int32			ByteOrder() const;
+	int32			SampleFormat() const;
+	int32			FrameSize() const;
+	off_t			CountFrames() const;
+
+	bool			IsCompressed() const;
+	int32			CompressionType() const;
+	char	 		*CompressionName() const;
+
+	virtual int32 	SetFileFormat(int32 format);
+	virtual int32	SetSamplingRate(int32 fps);
+	virtual int32	SetChannelCount(int32 spf);
+	virtual int32	SetSampleSize(int32 bps);
+	virtual int32	SetByteOrder(int32 bord);
+	virtual int32	SetSampleFormat(int32 fmt);
+	virtual int32	SetCompressionType(int32 type);
+	virtual char   	*SetCompressionName(char *name);
+	virtual bool	SetIsCompressed(bool tf);
+	virtual	off_t	SetDataLocation(off_t offset);
+	virtual off_t	SetFrameCount(off_t count);
+	
+	size_t			ReadFrames(char *buf,  size_t count);
+	size_t			WriteFrames(char *buf, size_t count);
+	virtual off_t	SeekToFrame(off_t n);
+	off_t 			FrameIndex() const;
+	off_t			FramesRemaining() const;
+
+	BFile			*fSoundFile;
+
+private:
+
+virtual	void		_ReservedSoundFile1();
+virtual	void		_ReservedSoundFile2();
+virtual	void		_ReservedSoundFile3();
+
+	int32			fFileFormat;
+	int32			fSamplingRate;
+	int32 			fChannelCount;
+	int32			fSampleSize;
+	int32			fByteOrder;
+	int32			fSampleFormat;
+	
+	off_t			fByteOffset;	/* offset to first sample */
+
+	off_t			fFrameCount;
+	off_t			fFrameIndex;
+
+	bool			fIsCompressed;
+	int32			fCompressionType;
+	char			*fCompressionName;
+	status_t		fCStatus;
+	void _init_raw_stats();
+	status_t _ref_to_file(const entry_ref *ref);	  
+	uint32			_reserved[4];
+};
+
+
+#endif			/* #ifndef _SOUND_FILE_H*/