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38 lines
1.6 KiB
C
38 lines
1.6 KiB
C
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#ifndef _TRANSCODER_H_
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#define _TRANSCODER_H_
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class Transcoder {
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protected:
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Transcoder(){}
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virtual ~Transcoder(){}
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public:
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// done at init()
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virtual void LoadConfigProfile(wchar_t *profile)=0; // deprecated, do not call
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virtual void AddAcceptableFormat(wchar_t *format)=0; // eg, L"mp3" or L"wma"
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virtual void AddAcceptableFormat(unsigned int format)=0; // eg, mmioFOURCC('M','4','A',' ')
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// done when file is added to transfer queue
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// returns:
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// -1 for can't transcode
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// output file size estimate if can transcode
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// if ext is supplied, it should be a buffer with space for 5 characters, and will be filled with
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// the output file type file extention, eg, L".mp3"
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virtual int CanTranscode(wchar_t *file, wchar_t *ext = NULL, int length = -1)=0;
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// false if no transcoding needed
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virtual bool ShouldTranscode(wchar_t *file)=0;
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// done just before transfer OR in background after file is added to queue
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// extention is added to outputFile, allow 5 extra chars
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// callback, callbackcontext and killswitch should be similar to those passed by ml_pmp
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// return 0 for success, -1 for failed or cancelled
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virtual int TranscodeFile(wchar_t *inputFile, wchar_t *outputFile, int *killswitch, void (*callback)(void * callbackContext, wchar_t * status), void* callbackContext, wchar_t * caption=L"Transcoding %d%%")=0;
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// get a filename which can be used as a staging area.
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// ext should be for example L".mp3"
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// make sure filename is a buffer at least MAX_PATH characters long.
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virtual void GetTempFilePath(const wchar_t *ext, wchar_t *filename)=0;
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};
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#endif //_TRANSCODER_H_
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