From 61cd918a08a27cf8bd3f5ccd6b113ff4e2edc9bf Mon Sep 17 00:00:00 2001 From: kevin Date: Sun, 12 Dec 2021 16:46:12 -0500 Subject: [PATCH] cwPreset.h/cpp : Added track_timestamp(). --- cwPresetSel.cpp | 184 +++++++++++++++++++++++++++++++++++++++++++----- cwPresetSel.h | 31 +++++--- 2 files changed, 187 insertions(+), 28 deletions(-) diff --git a/cwPresetSel.cpp b/cwPresetSel.cpp index 0245bb0..6da338d 100644 --- a/cwPresetSel.cpp +++ b/cwPresetSel.cpp @@ -4,6 +4,7 @@ #include "cwMem.h" #include "cwText.h" #include "cwObject.h" +#include "cwTime.h" #include "cwPresetSel.h" namespace cw @@ -25,6 +26,10 @@ namespace cw double defaultFadeOutMs; struct frag_str* fragL; + + + frag_t* last_ts_frag; + } preset_sel_t; preset_sel_t* _handleToPtr( handle_t h ) @@ -113,6 +118,50 @@ namespace cw return nullptr; } + bool _ts_is_in_frag( const frag_t* f, const time::spec_t& ts ) + { + // if f is the earliest fragment + if( f->prev == nullptr ) + return time::isLTE(ts,f->endTimestamp); + + // else f->prev->end_ts < ts && ts <= f->end_ts + return time::isLT(f->prev->endTimestamp,ts) && time::isLTE(ts,f->endTimestamp); + } + + bool _ts_is_before_frag( const frag_t* f, const time::spec_t& ts ) + { + // if ts is past f + if( time::isGT(ts,f->endTimestamp ) ) + return false; + + // ts may now only be inside or before f + + // if f is the first frag then ts must be inside it + if( f->prev == nullptr ) + return false; + + // is ts before f + return time::isLTE(ts,f->prev->endTimestamp); + } + + bool _ts_is_after_frag( const frag_t* f, const time::spec_t& ts ) + { + return time::isGT(ts,f->endTimestamp); + } + + // Scan from through the fragment list to find the fragment containing ts. + frag_t* _timestamp_to_frag( preset_sel_t* p, const time::spec_t& ts, frag_t* init_frag=nullptr ) + { + frag_t* f = init_frag==nullptr ? p->fragL : init_frag; + for(; f!=nullptr; f=f->link) + if( _ts_is_in_frag(f,ts) ) + return f; + + return nullptr; + } + + + rc_t _validate_preset_id( const frag_t* frag, unsigned preset_id ) { bool fl = (preset_id < frag->presetN) && (frag->presetA[ preset_id ].preset_idx == preset_id); @@ -335,31 +384,64 @@ const cw::preset_sel::frag_t* cw::preset_sel::get_fragment( handle_t h, unsigned return _find_frag(p,fragId); } -cw::rc_t cw::preset_sel::create_fragment( handle_t h, unsigned fragId, unsigned end_loc ) +cw::rc_t cw::preset_sel::create_fragment( handle_t h, unsigned fragId, unsigned end_loc, time::spec_t end_timestamp ) { - preset_sel_t* p = _handleToPtr(h); - frag_t* f = mem::allocZ(); - f->endLoc = end_loc; - f->fragId = fragId; - f->dryFl = false; - f->gain = p->defaultGain; - f->wetDryGain = p->defaultWetDryGain; - f->fadeOutMs = p->defaultFadeOutMs; - f->presetA = mem::allocZ(p->presetLabelN); - f->presetN = p->presetLabelN; + preset_sel_t* p = _handleToPtr(h); + frag_t* f = mem::allocZ(); + f->endLoc = end_loc; + f->endTimestamp = end_timestamp; + f->fragId = fragId; + f->dryFl = false; + f->gain = p->defaultGain; + f->wetDryGain = p->defaultWetDryGain; + f->fadeOutMs = p->defaultFadeOutMs; + f->presetA = mem::allocZ(p->presetLabelN); + f->presetN = p->presetLabelN; for(unsigned i=0; ipresetLabelN; ++i) f->presetA[i].preset_idx = i; - - frag_t* f0; - for(f0=p->fragL; f0!=nullptr; f0=f0->link) - if( f0->link == nullptr ) - break; - if( f0 == nullptr ) + // if the list is empty + if( p->fragL == nullptr ) + { p->fragL = f; - else + return kOkRC; + } + + frag_t* f0 = p->fragL; + for(; f0->link!=nullptr; f0 = f0->link) + if( end_loc < f0->endLoc ) + break; + // + assert( f0 != nullptr ); + + // if f is after the last current fragment ... + if( f0->link == nullptr ) + { + // ... insert f at the end of the list f0->link = f; + f->prev = f0; + } + else + { + // Insert f before f0 + + f->link = f0; + f->prev = f0->prev; + + // if f0 was first on the list + if( f0->prev == nullptr ) + { + assert( p->fragL == f0 ); + p->fragL = f; + } + else + { + f0->prev->link = f; + } + + f0->prev = f; + } return kOkRC; } @@ -440,7 +522,52 @@ cw::rc_t cw::preset_sel::get_value( handle_t h, unsigned fragId, unsigned varId, cw::rc_t cw::preset_sel::get_value( handle_t h, unsigned fragId, unsigned varId, unsigned presetId, double& valueRef ) { return _get_value(h,fragId,varId,presetId,valueRef); } - + +bool cw::preset_sel::track_timestamp( handle_t h, const time::spec_t& ts, const cw::preset_sel::frag_t*& frag_Ref ) +{ + preset_sel_t* p = _handleToPtr(h); + frag_t* f = nullptr; + bool frag_changed_fl = false; + + // if this is the first call to 'track_timestamp()'. + if( p->last_ts_frag == nullptr ) + f = _timestamp_to_frag(p,ts); + else + // if the 'ts' is in the same frag as previous call. + if( _ts_is_in_frag(p->last_ts_frag,ts) ) + f = p->last_ts_frag; + else + // if 'ts' is in a later frag + if( _ts_is_after_frag(p->last_ts_frag,ts) ) + f = _timestamp_to_frag(p,ts,p->last_ts_frag); + else // ts is prior to 'last_ts_frag' + f = _timestamp_to_frag(p,ts); + + // 'f' will be null at this point if 'ts' is past the last preset. + // In this case we should leave 'last_ts_frag' unchanged. + + // if 'f' is valid but different from 'last_ts_frag' + if( f != nullptr && f != p->last_ts_frag ) + { + p->last_ts_frag = f; + frag_changed_fl = true; + } + + frag_Ref = p->last_ts_frag; + + return frag_changed_fl; +} + +unsigned cw::preset_sel::fragment_play_preset_index( const frag_t* frag ) +{ + for(unsigned i=0; ipresetN; ++i) + if( frag->presetA[i].playFl ) + return frag->presetA[i].preset_idx; + + return kInvalidIdx; +} + + cw::rc_t cw::preset_sel::write( handle_t h, const char* fn ) { rc_t rc = kOkRC; @@ -452,3 +579,22 @@ cw::rc_t cw::preset_sel::read( handle_t h, const char* fn ) rc_t rc = kOkRC; return rc; } + +cw::rc_t cw::preset_sel::report( handle_t h ) +{ + rc_t rc = kOkRC; + preset_sel_t* p = _handleToPtr(h); + unsigned i = 0; + time::spec_t t0; + time::setZero(t0); + + for(frag_t* f=p->fragL; f!=nullptr; f=f->link,++i) + { + unsigned elapsedMs = time::elapsedMs(t0,f->endTimestamp); + double mins = elapsedMs / 60000.0; + + cwLogInfo("%3i id:%3i end loc:%3i end min:%7.2f",i,f->fragId,f->endLoc, mins); + } + + return rc; +} diff --git a/cwPresetSel.h b/cwPresetSel.h index f61b12c..53c2af1 100644 --- a/cwPresetSel.h +++ b/cwPresetSel.h @@ -12,13 +12,14 @@ namespace cw { bool playFl; // play this preset unsigned preset_idx; // preset index into preset_labelA[]. - unsigned order; + unsigned order; // } preset_t; typedef struct frag_str { unsigned fragId; - unsigned endLoc; + unsigned endLoc; // The endLoc is included in this fragment. The begin loc is f->prev->endLoc+1 + time::spec_t endTimestamp; bool dryFl; double gain; @@ -31,6 +32,7 @@ namespace cw bool uiSelectFl; struct frag_str* link; + struct frag_str* prev; } frag_t; @@ -41,9 +43,9 @@ namespace cw kWetGainVarId, kPresetOrderVarId, // preset order value - kPresetSelectVarId, // select a preset to play - kPlayEnableVarId, // include in the segment to play - kDryFlVarId, // play this fragion dry + kPresetSelectVarId, // select a preset to play + kPlayEnableVarId, // include in the segment to play + kDryFlVarId, // play this fragment dry }; rc_t create( handle_t& hRef, const object_t* cfg ); @@ -52,19 +54,19 @@ namespace cw unsigned preset_count( handle_t h ); const char* preset_label( handle_t h, unsigned preset_idx ); - unsigned fragment_count( handle_t h ); + unsigned fragment_count( handle_t h ); const frag_t* get_fragment_base( handle_t h ); - const frag_t* get_fragment( handle_t h, unsigned fragId ); + const frag_t* get_fragment( handle_t h, unsigned fragId ); - rc_t create_fragment( handle_t h, unsigned fragId, unsigned end_loc ); + rc_t create_fragment( handle_t h, unsigned fragId, unsigned end_loc, time::spec_t endTimestamp ); rc_t delete_fragment( handle_t h, unsigned fragId ); bool is_fragment_loc( handle_t h, unsigned loc ); unsigned ui_select_fragment_id( handle_t h ); - void ui_select_fragment( handle_t h, unsigned fragId, bool selectFl ); + void ui_select_fragment( handle_t h, unsigned fragId, bool selectFl ); rc_t set_value( handle_t h, unsigned fragId, unsigned varId, unsigned presetId, bool value ); @@ -74,9 +76,20 @@ namespace cw rc_t get_value( handle_t h, unsigned fragId, unsigned varId, unsigned presetId, bool& valueRef ); rc_t get_value( handle_t h, unsigned fragId, unsigned varId, unsigned presetId, unsigned& valueRef ); rc_t get_value( handle_t h, unsigned fragId, unsigned varId, unsigned presetId, double& valueRef ); + + // Call this function to determine which fragment the timestamp 'ts' is contained by. + // This call is optimized to be called in time critical functions where 'ts' is expected to be increasing. + // If 'ts' is past the last defined fragment then the last fragment is returned. + // If no fragments are defined 'frag_Ref' is set to nullptr. + // The return value is true when the value of frag_Ref changes from the previous call. + bool track_timestamp( handle_t h, const time::spec_t& ts, const cw::preset_sel::frag_t*& frag_Ref ); + + // Return the preset index marked to play on this fragment. + unsigned fragment_play_preset_index( const frag_t* frag ); rc_t write( handle_t h, const char* fn ); rc_t read( handle_t h, const char* fn ); + rc_t report( handle_t h ); } }