cwAudioTransforms.h : Added validate_srate()
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@ -1261,7 +1261,6 @@ namespace cw
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unsigned posn_smp_idx; // The location of this sample in the original audio file.
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};
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template< typename sample_t >
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sample_t table_read_2( const sample_t* tab, double frac )
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{
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@ -1297,6 +1296,10 @@ namespace cw
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};
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template< typename sample_t, typename srate_t >
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bool validate_srate(const struct obj_str<sample_t,srate_t>* p, srate_t expected_srate)
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{ return p->wt != nullptr && p->wt->srate == expected_srate; }
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template< typename sample_t, typename srate_t >
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bool is_init(const struct obj_str<sample_t,srate_t>* p)
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{ return p->wt != nullptr; }
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@ -1452,6 +1455,17 @@ namespace cw
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return rc;
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}
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template< typename sample_t, typename srate_t >
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bool validate_srate(const struct obj_str<sample_t,srate_t>* p, srate_t expected_srate)
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{
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if( p->wt_seq == nullptr )
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return false;
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for(unsigned i=0; i<p->wt_seq->wtN; ++i)
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if( p->wt_seq->wtA[i].srate != expected_srate )
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return false;
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return true;
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}
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template< typename sample_t, typename srate_t >
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bool is_init( const struct obj_str<sample_t,srate_t>* p )
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@ -1565,8 +1579,9 @@ namespace cw
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};
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// if mcs != nullptr and expected_srate is non-zero then the expected_srate will be validated
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template< typename sample_t, typename srate_t >
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rc_t create(struct obj_str<sample_t,srate_t>* p, unsigned maxChN, const struct multi_ch_wt_seq_str<sample_t,srate_t>* mcs=nullptr )
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rc_t create(struct obj_str<sample_t,srate_t>* p, unsigned maxChN, const struct multi_ch_wt_seq_str<sample_t,srate_t>* mcs=nullptr, srate_t expected_srate=0 )
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{
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rc_t rc = kOkRC;
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@ -1595,8 +1610,9 @@ namespace cw
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return rc;
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}
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// if mcs != nullptr and expected_srate is non-zero then the expected_srate will be validated
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template< typename sample_t, typename srate_t >
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rc_t setup( struct obj_str<sample_t,srate_t>* p, const struct multi_ch_wt_seq_str<sample_t,srate_t>* mcs )
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rc_t setup( struct obj_str<sample_t,srate_t>* p, const struct multi_ch_wt_seq_str<sample_t,srate_t>* mcs, srate_t expected_srate=0 )
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{
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rc_t rc = kOkRC;
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@ -1606,7 +1622,6 @@ namespace cw
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goto errLabel;
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}
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p->mcs = mcs;
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p->done_fl = false;
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p->chN = mcs->chN;
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@ -1614,6 +1629,13 @@ namespace cw
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if((rc = wt_seq_osc::init(p->chA+i,mcs->chA + i)) != kOkRC )
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goto errLabel;
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if( mcs != nullptr && expected_srate != 0 )
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if( !validate_srate(p,expected_srate) )
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{
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rc = cwLogError(kInvalidArgRC,"The srate is not valid. All wave tables do not share the same sample rate.");
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goto errLabel;
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}
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errLabel:
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if( rc != kOkRC )
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rc = cwLogError(rc,"multi-ch-wt-osc setup failed.");
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@ -1621,6 +1643,19 @@ namespace cw
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return rc;
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}
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template< typename sample_t, typename srate_t >
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bool validate_srate(const struct obj_str<sample_t,srate_t>* p, srate_t expected_srate)
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{
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if( p->chA == nullptr )
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return false;
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for(unsigned i=0; i<p->chN; ++i)
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if( !validate_srate(p->chA+i,expected_srate) )
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return false;
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return true;
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}
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template< typename sample_t, typename srate_t >
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rc_t is_done( struct obj_str<sample_t,srate_t>* p )
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{ return p->done_fl; }
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