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cwFlowCross.h/cpp : Added destination id 'kAllDestId'. Fixed bug in _update_audio_input().

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This commit is contained in:
kevin 2022-01-22 09:51:54 -05:00
parent 1e8f787fee
commit 04999f05fc
2 changed files with 56 additions and 21 deletions
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55
cwFlowCross.cpp
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@ -41,6 +41,7 @@ namespace cw
unsigned net_idx;
} flow_network_t;
typedef struct flow_cross_str
@ -54,6 +55,7 @@ namespace cw
flow::external_device_t* deviceA;
unsigned deviceN;
bool fadeInputFl;
} flow_cross_t;
flow_cross_t* _handleToPtr(handle_t h)
@ -208,9 +210,9 @@ namespace cw
flow::abuf_t* src = p->deviceA[devIdx].u.a.abuf;
flow::abuf_t* dst = net->deviceA[devIdx].u.a.abuf;
memset( dst->buf, 0, dst->chN * dst->frameN * sizeof(flow::sample_t));
memcpy( dst->buf, src->buf, dst->chN * dst->frameN * sizeof(flow::sample_t));
_fade_audio( src, dst, net );
//_fade_audio( src, dst, net );
}
void _zero_audio_output( flow_cross_t* p, flow_network_t* net, unsigned devIdx )
@ -253,11 +255,20 @@ namespace cw
template< typename T >
rc_t _set_variable_value( handle_t h, destId_t destId, const char* inst_label, const char* var_label, unsigned chIdx, const T& value )
{
//rc_t rc = kOkRC;
rc_t rc = kOkRC;
flow_cross_t* p = _handleToPtr(h);
unsigned flow_idx = _get_flow_index(p, destId );
return set_variable_value( p->netA[ flow_idx ].flowH, inst_label, var_label, chIdx, value );
unsigned flow_idx = destId == kAllDestId ? 0 : _get_flow_index(p, destId );
unsigned flow_cnt = destId == kAllDestId ? p->netN : flow_idx + 1;
for(; flow_idx < flow_cnt; ++flow_idx )
if((rc = set_variable_value( p->netA[ flow_idx ].flowH, inst_label, var_label, chIdx, value )) != kOkRC )
{
cwLogError(rc,"Set variable value failed on cross-network index: %i.",flow_idx);
goto errLabel;
}
errLabel:
return rc;
}
@ -331,29 +342,34 @@ cw::rc_t cw::flow_cross::exec_cycle( handle_t h )
rc_t rc = kOkRC;
flow_cross_t* p = _handleToPtr(h);
// Note that all networks must be updated so that they maintain
// their state (e.g. delay line memory) event if their output
// is faded out
for(unsigned i=0; i<p->netN; ++i)
{
flow_network_t* net = p->netA + i;
if( net->stateId != kInactiveStateId )
{
// We generally don't want to fade the input because the state
// of the network delay lines would then be invalid when the
// network is eventually made active again
for(unsigned j=0; j<p->deviceN; ++j)
if( p->deviceA[j].typeId == flow::kAudioDevTypeId && cwIsFlag(p->deviceA[j].flags, flow::kInFl ) )
_update_audio_input( p, p->netA + i, j );
// zero the audio device output buffers because we are about to sum into them
for(unsigned j=0; j<p->deviceN; ++j)
if( p->deviceA[j].typeId == flow::kAudioDevTypeId && cwIsFlag(p->deviceA[j].flags, flow::kOutFl ) )
_zero_audio_output( p, net, j );
// update the network
flow::exec_cycle( net->flowH );
// sum the output from the network into the audio output device buffer
// (this is were newly active networks are faded in)
for(unsigned j=0; j<p->deviceN; ++j)
if( p->deviceA[j].typeId == flow::kAudioDevTypeId && cwIsFlag(p->deviceA[j].flags, flow::kOutFl ) )
_update_audio_output( p, net, j );
}
}
return rc;
}
@ -426,6 +442,9 @@ void cw::flow_cross::print( handle_t h )
{
flow_cross_t* p = _handleToPtr(h);
unsigned cur_flow_idx = _get_flow_index( p, kCurDestId );
unsigned next_flow_idx = _get_flow_index( p, kNextDestId );
printf("flow_cross: sr:%7.1f\n", p->srate );
printf("master devices:\n");
@ -434,7 +453,21 @@ void cw::flow_cross::print( handle_t h )
for(unsigned i=0; i<p->netN; ++i)
{
printf("cross network:%i \n",i);
const char* label = i==cur_flow_idx ? "Current" : (i==next_flow_idx ? "Next" : "");
printf("cross network:%i (%s)\n",i,label);
flow::print_network( p->netA[i].flowH );
}
}
void cw::flow_cross::print_network( handle_t h, destId_t destId )
{
flow_cross_t* p = _handleToPtr(h);
unsigned flow_idx = _get_flow_index( p, destId );
if( flow_idx == kInvalidIdx )
cwLogError(kInvalidArgRC,"The network id '%i' is not valid. Cannot print the network state.",destId);
else
flow::print_network( p->netA[flow_idx].flowH );
}

2
cwFlowCross.h
View File

@ -12,6 +12,7 @@ namespace cw
{
kCurDestId, // Apply value to the current flow network
kNextDestId, // Apply value to the next flow network (i.e. network which will be current following the next cross-fade)
kAllDestId, // Apply value to all the flow networks
} destId_t;
rc_t create( handle_t& hRef,
@ -38,6 +39,7 @@ namespace cw
rc_t begin_cross_fade( handle_t h, unsigned crossFadeMs );
void print( handle_t h );
void print_network( handle_t h, flow_cross::destId_t destId );
}
}