92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
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/*******************************************************************************
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/
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/ File: FileInterface.h
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/
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/ Description: A BFileInterface is something which can read and/or write files for the
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/ use of other Media Kit participants.
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/
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/ Copyright 1997-98, Be Incorporated, All Rights Reserved
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/
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*******************************************************************************/
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#if !defined(_FILE_INTERFACE_H)
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#define _FILE_INTERFACE_H
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#include <MediaDefs.h>
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#include <MediaNode.h>
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class BFileInterface :
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public virtual BMediaNode
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{
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protected:
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virtual ~BFileInterface(); /* force vtable */
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public:
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/* look, no hands! */
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protected:
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BFileInterface();
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virtual status_t HandleMessage(
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int32 message,
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const void * data,
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size_t size);
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virtual status_t GetNextFileFormat(
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int32 * cookie,
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media_file_format * out_format) = 0;
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virtual void DisposeFileFormatCookie(
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int32 cookie) = 0;
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virtual status_t GetDuration(
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bigtime_t * out_time) = 0;
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virtual status_t SniffRef(
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const entry_ref & file,
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char * out_mime_type, /* 256 bytes */
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float * out_quality) = 0;
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virtual status_t SetRef(
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const entry_ref & file,
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bool create,
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bigtime_t * out_time) = 0;
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virtual status_t GetRef(
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entry_ref * out_ref,
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char * out_mime_type) = 0;
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private:
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friend class BMediaNode;
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BFileInterface( /* private unimplemented */
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const BFileInterface & clone);
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BFileInterface & operator=(
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const BFileInterface & clone);
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/* Mmmh, stuffing! */
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virtual status_t _Reserved_FileInterface_0(void *);
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virtual status_t _Reserved_FileInterface_1(void *);
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virtual status_t _Reserved_FileInterface_2(void *);
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virtual status_t _Reserved_FileInterface_3(void *);
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virtual status_t _Reserved_FileInterface_4(void *);
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virtual status_t _Reserved_FileInterface_5(void *);
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virtual status_t _Reserved_FileInterface_6(void *);
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virtual status_t _Reserved_FileInterface_7(void *);
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virtual status_t _Reserved_FileInterface_8(void *);
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virtual status_t _Reserved_FileInterface_9(void *);
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virtual status_t _Reserved_FileInterface_10(void *);
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virtual status_t _Reserved_FileInterface_11(void *);
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virtual status_t _Reserved_FileInterface_12(void *);
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virtual status_t _Reserved_FileInterface_13(void *);
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virtual status_t _Reserved_FileInterface_14(void *);
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virtual status_t _Reserved_FileInterface_15(void *);
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uint32 _reserved_file_interface_[16];
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};
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#endif /* _FILE_INTERFACE_H */
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