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