64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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namespace cw
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{
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namespace afop
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{
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enum
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{
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kOpenProcId,
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kProcProcId,
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kCloseProcId
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};
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typedef struct proc_ctx_str
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{
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unsigned procId;
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void* userPtr;
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const object_t* args; // cfg. for the selected process func
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unsigned cycleIndex;
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char* srcFn;
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float srcSrate;
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unsigned srcChN;
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unsigned srcBits;
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const float** srcChV; // srcChV[ srcChN ][ srcWndSmpN ] - read incoming samples from this buffer
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unsigned srcWndSmpN; //
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unsigned srcHopSmpN; //
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char* dstFn;
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float dstSrate;
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unsigned dstChN;
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unsigned dstBits;
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float** dstChV; // dstChV[ dstChN ][ dstWndSmpN ]
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unsigned dstWndSmpN; //
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unsigned dstHopSmpN; //
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dsp::data_recorder::fobj_t** recordChA; // recordChA[ recordChN ]
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} proc_ctx_t;
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// Open
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// Accept or modify the destination configuration. The src signal parameters are definted by the driver program.
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//
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// Proc:
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// If srcChN is non-zero then srcChV will be valid. The last srcHopSmpN will contain new samples for this iteration
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// If dstChN is non-zero then fill at least the first dstHopSmpN samples in dstChV[][].
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//
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// Note that the srcChV[][] and dstChV[][] both point to buffers of lengh src/dstWndSmpN but only the first src/dstHopSmpN
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// are finalized for a given cycle. The training wndSmpN-hopSmpN will be available (shifted right by hopSmpN samples)
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// on the next call.
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//
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// Return kEofRC if no input file is given and processing is complete.
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typedef rc_t (*proc_func_t)( proc_ctx_t* ctx );
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rc_t file_processor( const char* srcFn, const char* dstFn, proc_func_t func, unsigned wndSmpN, unsigned hopSmpN, void* userArg, const object_t* args, const object_t* recorder_cfg, unsigned recordChN=0 );
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rc_t file_processor( const object_t* cfg );
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}
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}
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