cwPresetSel.h/cpp : Added 'kFragVarId' and implemented read() and write().
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kevin
parent
5c5dc89b0f
commit
d16410e11d
210
cwPresetSel.cpp
210
cwPresetSel.cpp
@ -6,6 +6,7 @@
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#include "cwObject.h"
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#include "cwTime.h"
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#include "cwPresetSel.h"
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#include "cwFile.h"
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namespace cw
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{
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@ -27,7 +28,6 @@ namespace cw
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struct frag_str* fragL;
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frag_t* last_ts_frag;
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} preset_sel_t;
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@ -35,6 +35,20 @@ namespace cw
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preset_sel_t* _handleToPtr( handle_t h )
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{ return handleToPtr<handle_t,preset_sel_t>(h); }
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const char* _preset_label( preset_sel_t* p, unsigned preset_idx )
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{
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return p->presetLabelA[ preset_idx ].label;
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}
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unsigned _preset_label_to_index( preset_sel_t* p, const char* label )
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{
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for(unsigned i=0; i<p->presetLabelN; ++i)
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if( textIsEqual(p->presetLabelA[i].label,label) )
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return i;
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return kInvalidIdx;
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}
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rc_t _delete_fragment( preset_sel_t* p, unsigned fragId )
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{
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frag_t* f0 = nullptr;
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@ -62,10 +76,15 @@ namespace cw
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return kOkRC;
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}
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void _destroy_all_frags( preset_sel_t* p )
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{
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while( p->fragL != nullptr)
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_delete_fragment(p, p->fragL->fragId );
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}
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rc_t _destroy( preset_sel_t* p )
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{
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while( p->fragL != nullptr )
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_delete_fragment(p, p->fragL->fragId );
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_destroy_all_frags(p);
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for(unsigned i=0; i<p->presetLabelN; ++i)
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mem::release( p->presetLabelA[i].label );
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@ -183,6 +202,16 @@ namespace cw
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switch( varId )
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{
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case kFragIdVarId:
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{
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frag_t* ff = nullptr;
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if( f->fragId != value && _find_frag(p,value,ff) != kOkRC )
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rc = cwLogError(kInvalidIdRC,"The fragment id '%i' is already in use.",fragId);
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else
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f->fragId = value;
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}
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break;
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case kDryFlVarId:
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f->dryFl = value;
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break;
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@ -236,6 +265,10 @@ namespace cw
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switch( varId )
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{
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case kFragIdVarId:
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valueRef = f->fragId;
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break;
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case kEndLocVarId:
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valueRef = f->endLoc;
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break;
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@ -357,7 +390,7 @@ unsigned cw::preset_sel::preset_count( handle_t h )
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const char* cw::preset_sel::preset_label( handle_t h, unsigned preset_idx )
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{
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preset_sel_t* p = _handleToPtr(h);
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return p->presetLabelA[ preset_idx].label;
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return _preset_label(p,preset_idx);
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}
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@ -571,12 +604,181 @@ unsigned cw::preset_sel::fragment_play_preset_index( const frag_t* frag )
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cw::rc_t cw::preset_sel::write( handle_t h, const char* fn )
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{
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rc_t rc = kOkRC;
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preset_sel_t* p = _handleToPtr(h);
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object_t* root = newDictObject();
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unsigned fragN = 0;
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object_t* fragL_obj = newListObject(nullptr);
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for(frag_t* f=p->fragL; f!=nullptr; f=f->link,++fragN)
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{
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object_t* frag_obj = newDictObject(nullptr);
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fragL_obj->append_child(frag_obj);
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newPairObject("fragId", f->fragId, frag_obj );
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newPairObject("endLoc", f->endLoc, frag_obj );
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newPairObject("endTimestamp_sec", f->endTimestamp.tv_sec, frag_obj );
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newPairObject("endTimestamp_nsec", f->endTimestamp.tv_nsec, frag_obj );
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newPairObject("dryFl", f->dryFl, frag_obj );
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newPairObject("gain", f->gain, frag_obj );
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newPairObject("wetDryGain", f->wetDryGain, frag_obj );
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newPairObject("fadeOutMs", f->fadeOutMs, frag_obj );
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newPairObject("presetN", f->presetN, frag_obj );
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// note: newPairObject() return a ptr to the pair value node.
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object_t* presetL_obj = newPairObject("presetL", newListObject( nullptr ), frag_obj );
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for(unsigned i=0; i<f->presetN; ++i)
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{
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object_t* presetD_obj = newDictObject( nullptr );
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newPairObject("order", f->presetA[i].order, presetD_obj );
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newPairObject("preset_label", _preset_label(p, f->presetA[i].preset_idx ), presetD_obj );
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newPairObject("play_fl", f->presetA[i].playFl, presetD_obj );
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presetL_obj->append_child( presetD_obj );
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}
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}
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newPairObject("fragL", fragL_obj, root);
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newPairObject("fragN", fragN, root);
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unsigned bytes_per_frag = 1024;
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do
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{
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unsigned s_byteN = fragN * bytes_per_frag;
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char* s = mem::allocZ<char>( s_byteN );
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unsigned actual_byteN = root->to_string(s,s_byteN);
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if( actual_byteN < s_byteN )
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if((rc = file::fnWrite(fn,s,strlen(s))) != kOkRC )
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rc = cwLogError(rc,"Preset select failed on '%s'.",fn);
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mem::release(s);
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if( actual_byteN < s_byteN )
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break;
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bytes_per_frag *= 2;
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}while(1);
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return rc;
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}
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cw::rc_t cw::preset_sel::read( handle_t h, const char* fn )
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{
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rc_t rc = kOkRC;
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preset_sel_t* p = _handleToPtr(h);
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object_t* root = nullptr;
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unsigned fragN = 0;
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const object_t* fragL_obj = nullptr;
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// parse the preset file
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if((rc = objectFromFile(fn,root)) != kOkRC )
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{
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rc = cwLogError(rc,"The preset select file parse failed on '%s'.", cwStringNullGuard(fn));
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goto errLabel;
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}
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// remove all existing fragments
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_destroy_all_frags(p);
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// parse the root level
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if((rc = root->getv( "fragN", fragN,
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"fragL", fragL_obj )) != kOkRC )
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{
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rc = cwLogError(rc,"Root preset select parse failed on '%s'.", cwStringNullGuard(fn));
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goto errLabel;
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}
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// for each fragment
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for(unsigned i=0; i<fragN; ++i)
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{
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frag_t* f = nullptr;
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const object_t* r = fragL_obj->child_ele(i);
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unsigned fragId=kInvalidId,endLoc=0,presetN=0;
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double gain=0,wetDryGain=0,fadeOutMs=0;
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const object_t* presetL_obj = nullptr;
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time::spec_t end_ts;
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// parse the fragment record
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if((rc = r->getv("fragId",fragId,
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"endLoc",endLoc,
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"endTimestamp_sec",end_ts.tv_sec,
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"endTimestamp_nsec",end_ts.tv_nsec,
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"gain",gain,
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"wetDryGain",wetDryGain,
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"fadeOutMs",fadeOutMs,
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"presetN", presetN,
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"presetL", presetL_obj )) != kOkRC )
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{
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rc = cwLogError(rc,"Fragment restore record parse failed.");
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goto errLabel;
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}
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// create a new fragment
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if((rc = create_fragment( h, fragId, endLoc, end_ts)) != kOkRC )
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{
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rc = cwLogError(rc,"Fragment record create failed.");
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goto errLabel;
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}
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// update the fragment variables
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set_value( h, fragId, kGainVarId, kInvalidId, gain );
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set_value( h, fragId, kFadeOutMsVarId, kInvalidId, fadeOutMs );
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set_value( h, fragId, kWetGainVarId, kInvalidId, wetDryGain );
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// locate the new fragment record
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if((f = _find_frag(p, fragId )) == nullptr )
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{
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rc = cwLogError(rc,"Fragment record not found.");
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goto errLabel;
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}
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// for each preset
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for(unsigned i=0; i<presetN; ++i)
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{
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const object_t* r = presetL_obj->child_ele(i);
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unsigned order = 0;
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const char* preset_label = nullptr;
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unsigned preset_idx = kInvalidIdx;
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bool playFl = false;
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// parse the preset record
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if((rc = r->getv("order", order,
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"preset_label", preset_label,
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"play_fl", playFl)) != kOkRC )
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{
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rc = cwLogError(rc,"The fragment preset at index '%i' parse failed during restore.",i);
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goto errLabel;
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}
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// locate the preset index associated with the preset label
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if((preset_idx = _preset_label_to_index(p,preset_label)) == kInvalidIdx )
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{
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rc = cwLogError(kInvalidIdRC,"The preset '%s' could not be restored.",cwStringNullGuard(preset_label));
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goto errLabel;
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}
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f->presetA[ preset_idx ].order = order;
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f->presetA[ preset_idx ].playFl = playFl;
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}
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}
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errLabel:
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if(rc != kOkRC )
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cwLogError(rc,"Preset resotre failed.");
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return rc;
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}
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@ -37,6 +37,7 @@ namespace cw
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enum {
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kFragIdVarId,
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kEndLocVarId,
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kGainVarId,
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kFadeOutMsVarId,
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