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src/spectral/dct_ipp.c: rename to aubio_dct_ipp

--- a/src/spectral/dct_ipp.c

+++ b/src/spectral/dct_ipp.c

@@ -46,7 +46,9 @@

 #define aubio_ippsDCTInv               ippsDCTInv_64f

 #endif

-struct _aubio_dct_t {

+typedef struct _aubio_dct_ipp_t aubio_dct_ipp_t;

+

+struct _aubio_dct_ipp_t {

   uint_t size;

   Ipp8u* pSpecFwd;

   Ipp8u* pSpecInv;

@@ -56,9 +58,11 @@

   aubio_ippsDCTInvSpec* pInvDCTSpec;

 };

-aubio_dct_t * new_aubio_dct (uint_t size) {

-  aubio_dct_t * s = AUBIO_NEW(aubio_dct_t);

+void del_aubio_dct_ipp (aubio_dct_ipp_t *s);

+aubio_dct_ipp_t * new_aubio_dct_ipp (uint_t size) {

+  aubio_dct_ipp_t * s = AUBIO_NEW(aubio_dct_ipp_t);

+

   const IppHintAlgorithm qualityHint = ippAlgHintAccurate; // ippAlgHintFast;

   int pSpecSize, pSpecBufferSize, pBufferSize;

   IppStatus status;

@@ -117,11 +121,11 @@

   return s;

 beach:

-  del_aubio_dct(s);

+  del_aubio_dct_ipp(s);

   return NULL;

 }

-void del_aubio_dct(aubio_dct_t *s) {

+void del_aubio_dct_ipp(aubio_dct_ipp_t *s) {

   ippFree(s->pSpecFwd);

   ippFree(s->pSpecInv);

   ippFree(s->pSpecBuffer);

@@ -129,7 +133,7 @@

   AUBIO_FREE(s);

 }

-void aubio_dct_do(aubio_dct_t *s, const fvec_t *input, fvec_t *output) {

+void aubio_dct_ipp_do(aubio_dct_ipp_t *s, const fvec_t *input, fvec_t *output) {

   aubio_ippsDCTFwd((const aubio_IppFloat*)input->data,

       (aubio_IppFloat*)output->data, s->pFwdDCTSpec, s->pBuffer);

@@ -136,7 +140,7 @@

 }

-void aubio_dct_rdo(aubio_dct_t *s, const fvec_t *input, fvec_t *output) {

+void aubio_dct_ipp_rdo(aubio_dct_ipp_t *s, const fvec_t *input, fvec_t *output) {

   aubio_ippsDCTInv((const aubio_IppFloat*)input->data,

       (aubio_IppFloat*)output->data, s->pInvDCTSpec, s->pBuffer);