cwFlowProc.h/cpp : Added gain,audio_split,audio_merge,audio_delay
This commit is contained in:
kevin
parent
65e86f376c
commit
88239351d6
478
cwFlowProc.cpp
478
cwFlowProc.cpp
@ -72,6 +72,15 @@ namespace cw
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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@ -489,6 +498,340 @@ namespace cw
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// gain
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//
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namespace gain
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{
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enum
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{
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kInPId,
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kGainPId,
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kOutPId
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};
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* abuf = nullptr; //
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// get the source audio buffer
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if((rc = var_register_and_get(ctx, kAnyChIdx,kInPId,"in",abuf )) != kOkRC )
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goto errLabel;
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// register the gain
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for(unsigned i=0; i<abuf->chN; ++i)
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if((rc = var_register( ctx, i, kGainPId, "gain" )) != kOkRC )
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goto errLabel;
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// create the output audio buffer
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rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, abuf->srate, abuf->chN, abuf->frameN );
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{ return kOkRC; }
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rc_t value( instance_t* ctx, variable_t* var )
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{ return kOkRC; }
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* ibuf = nullptr;
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abuf_t* obuf = nullptr;
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// get the src buffer
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if((rc = var_get(ctx,kInPId, kAnyChIdx, ibuf )) != kOkRC )
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goto errLabel;
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// get the dst buffer
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if((rc = var_get(ctx,kOutPId, kAnyChIdx, obuf)) != kOkRC )
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goto errLabel;
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// for each channel
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for(unsigned i=0; i<ibuf->chN; ++i)
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{
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sample_t* isig = ibuf->buf + i*ibuf->frameN;
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sample_t* osig = obuf->buf + i*obuf->frameN;
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sample_t gain = 1;
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var_get(ctx,kGainPId,i,gain);
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// apply the gain
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for(unsigned j=0; j<ibuf->frameN; ++j)
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osig[j] = gain * isig[j];
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}
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errLabel:
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// audio_split
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//
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namespace audio_split
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{
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enum {
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kInPId,
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kSelectPId,
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kGainPId,
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kOutPId,
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};
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typedef struct
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{
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bool* chSelMap; // [ inChCnt ] selected channel map
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unsigned outChN;
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} inst_t;
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* abuf = nullptr; //
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inst_t* inst = mem::allocZ<inst_t>();
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ctx->userPtr = inst;
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// get the source audio buffer
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if((rc = var_register_and_get(ctx, kAnyChIdx,kInPId,"in",abuf )) != kOkRC )
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goto errLabel;
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if( abuf->chN )
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{
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inst->chSelMap = mem::allocZ<bool>(abuf->chN);
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// register the gain
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for(unsigned i=0; i<abuf->chN; ++i)
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{
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if((rc = var_register_and_get( ctx, i, kSelectPId, "select", inst->chSelMap[i] )) != kOkRC )
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goto errLabel;
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if( inst->chSelMap[i] )
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{
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// register an output gain control
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if((rc = var_register( ctx, inst->outChN, kGainPId, "gain")) != kOkRC )
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goto errLabel;
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// count the number of selected channels to determine the count of output channels
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inst->outChN += 1;
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}
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}
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// create the output audio buffer
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if( inst->outChN == 0 )
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cwLogWarning("The audio split instance '%s' has no selected channels.",ctx->label);
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else
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rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, abuf->srate, inst->outChN, abuf->frameN );
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}
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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inst_t* inst = (inst_t*)ctx->userPtr;
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mem::release(inst->chSelMap);
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mem::release(inst);
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return rc;
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}
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rc_t value( instance_t* ctx, variable_t* var )
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{
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rc_t rc = kOkRC;
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return rc;
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}
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* ibuf = nullptr;
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abuf_t* obuf = nullptr;
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inst_t* inst = (inst_t*)ctx->userPtr;
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unsigned outChIdx = 0;
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if( inst->outChN )
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{
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// get the src buffer
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if((rc = var_get(ctx,kInPId, kAnyChIdx, ibuf )) != kOkRC )
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goto errLabel;
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// get the dst buffer
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if((rc = var_get(ctx,kOutPId, kAnyChIdx, obuf)) != kOkRC )
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goto errLabel;
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// for each channel
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for(unsigned i=0; i<ibuf->chN && outChIdx<obuf->chN; ++i)
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if( inst->chSelMap[i] )
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{
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sample_t* isig = ibuf->buf + i * ibuf->frameN;
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sample_t* osig = obuf->buf + outChIdx * obuf->frameN;
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sample_t gain = 1;
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var_get(ctx,kGainPId,outChIdx,gain);
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// apply the gain
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for(unsigned j=0; j<ibuf->frameN; ++j)
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osig[j] = gain * isig[j];
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outChIdx += 1;
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}
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}
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errLabel:
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// audio_merge
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//
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namespace audio_merge
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{
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enum {
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kIn0PId,
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kIn1PId,
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kGainPId,
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kOutPId,
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};
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typedef struct
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{
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} inst_t;
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* abuf0 = nullptr; //
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const abuf_t* abuf1 = nullptr;
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unsigned outChN = 0;
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// get the source audio buffer
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if((rc = var_register_and_get(ctx, kAnyChIdx,
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kIn0PId,"in0",abuf0,
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kIn1PId,"in1",abuf1 )) != kOkRC )
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{
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goto errLabel;
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}
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assert( abuf0->frameN == abuf1->frameN );
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outChN = abuf0->chN + abuf1->chN;
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// register the gain
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for(unsigned i=0; i<outChN; ++i)
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if((rc = var_register( ctx, i, kGainPId, "gain" )) != kOkRC )
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goto errLabel;
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// create the output audio buffer
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rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, abuf0->srate, outChN, abuf0->frameN );
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{ return kOkRC; }
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rc_t value( instance_t* ctx, variable_t* var )
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{ return kOkRC; }
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unsigned _exec( instance_t* ctx, const abuf_t* ibuf, abuf_t* obuf, unsigned outChIdx )
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{
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// for each channel
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for(unsigned i=0; i<ibuf->chN && outChIdx<obuf->chN; ++i)
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{
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sample_t* isig = ibuf->buf + i * ibuf->frameN;
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sample_t* osig = obuf->buf + outChIdx * obuf->frameN;
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sample_t gain = 1;
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var_get(ctx,kGainPId,outChIdx,gain);
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// apply the gain
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for(unsigned j=0; j<ibuf->frameN; ++j)
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osig[j] = gain * isig[j];
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outChIdx += 1;
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}
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return outChIdx;
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}
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* ibuf0 = nullptr;
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const abuf_t* ibuf1 = nullptr;
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abuf_t* obuf = nullptr;
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unsigned oChIdx = 0;
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if((rc = var_get(ctx,kIn0PId, kAnyChIdx, ibuf0 )) != kOkRC )
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goto errLabel;
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if((rc = var_get(ctx,kIn1PId, kAnyChIdx, ibuf1 )) != kOkRC )
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goto errLabel;
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if((rc = var_get(ctx,kOutPId, kAnyChIdx, obuf)) != kOkRC )
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goto errLabel;
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oChIdx = _exec( ctx, ibuf0, obuf, oChIdx );
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oChIdx = _exec( ctx, ibuf1, obuf, oChIdx );
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assert( oChIdx == obuf->chN );
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errLabel:
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// sine_tone
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@ -579,15 +922,10 @@ namespace cw
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{
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for(unsigned i=0; i<abuf->chN; ++i)
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{
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real_t gain;
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real_t hz;
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srate_t srate;
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var_get( ctx, kFreqHzPId, i, hz );
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var_get( ctx, kGainPId, i, gain );
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var_get( ctx, kSratePId, i, srate );
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sample_t* v = abuf->buf + (i*abuf->frameN);
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real_t gain = val_get<real_t>( ctx, kGainPId, i );
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real_t hz = val_get<real_t>( ctx, kFreqHzPId, i );
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srate_t srate = val_get<srate_t>( ctx, kSratePId, i );
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sample_t* v = abuf->buf + (i*abuf->frameN);
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for(unsigned j=0; j<abuf->frameN; ++j)
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v[j] = (sample_t)(gain * sin( inst->phaseA[i] + (2.0 * M_PI * j * hz/srate)));
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@ -1246,6 +1584,128 @@ namespace cw
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};
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}
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//------------------------------------------------------------------------------------------------------------------
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//
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// audio_delay
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//
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namespace audio_delay
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{
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enum
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{
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kInPId,
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kMaxDelayMsPId,
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kDelayMsPId,
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kOutPId
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};
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typedef struct inst_str
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{
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abuf_t* delayBuf; // delayBuf->buf[ maxDelayFrameN ]
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unsigned maxDelayFrameN; // length of the delay
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unsigned* cntV; // cntV[ chN ] per channel delay
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unsigned* idxV; // idxV[ chN ] per channel i/o idx
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} inst_t;
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rc_t create( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* abuf = nullptr; //
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inst_t* inst = mem::allocZ<inst_t>();
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real_t delayMs = 0;
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real_t maxDelayMs = 0;
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// get the source audio buffer
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if((rc = var_register_and_get(ctx, kAnyChIdx,kInPId,"in",abuf )) != kOkRC )
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goto errLabel;
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inst->cntV = mem::allocZ<unsigned>(abuf->chN);
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inst->idxV = mem::allocZ<unsigned>(abuf->chN);
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// register the gain
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for(unsigned i=0; i<abuf->chN; ++i)
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{
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if((rc = var_register_and_get( ctx, i,
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kMaxDelayMsPId, "maxDelayMs", maxDelayMs,
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kDelayMsPId, "delayMs", delayMs)) != kOkRC )
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{
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goto errLabel;
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}
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inst->maxDelayFrameN = std::max(inst->maxDelayFrameN, (unsigned)(maxDelayMs * abuf->srate / 1000.0) );
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}
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inst->delayBuf = abuf_create( abuf->srate, abuf->chN, inst->maxDelayFrameN );
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// create the output audio buffer
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rc = var_register_and_set( ctx, "out", kOutPId, kAnyChIdx, abuf->srate, abuf->chN, abuf->frameN );
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errLabel:
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return rc;
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}
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rc_t destroy( instance_t* ctx )
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{
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inst_t* inst = (inst_t*)ctx->userPtr;
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mem::release(inst->cntV);
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mem::release(inst->idxV);
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abuf_destroy(inst->delayBuf);
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mem::release(inst);
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return kOkRC;
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}
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rc_t value( instance_t* ctx, variable_t* var )
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{ return kOkRC; }
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rc_t exec( instance_t* ctx )
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{
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rc_t rc = kOkRC;
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const abuf_t* ibuf = nullptr;
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abuf_t* obuf = nullptr;
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inst_t* inst = (inst_t*)ctx->userPtr;
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// get the src buffer
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if((rc = var_get(ctx,kInPId, kAnyChIdx, ibuf )) != kOkRC )
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goto errLabel;
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// get the dst buffer
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if((rc = var_get(ctx,kOutPId, kAnyChIdx, obuf)) != kOkRC )
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goto errLabel;
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// for each channel
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for(unsigned i=0; i<ibuf->chN; ++i)
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{
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sample_t* isig = ibuf->buf + i*ibuf->frameN;
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sample_t* osig = obuf->buf + i*obuf->frameN;
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unsigned di = inst->idxV[i];
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for(unsigned j=0; j<ibuf->frameN; ++j)
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{
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osig[j] = inst->delayBuf->buf[di];
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inst->delayBuf->buf[di] = isig[j];
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di = (di+1) % inst->cntV[i];
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}
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}
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errLabel:
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return rc;
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}
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class_members_t members = {
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.create = create,
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.destroy = destroy,
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.value = value,
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.exec = exec,
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.report = nullptr
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};
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}
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}
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@ -6,10 +6,14 @@ namespace cw
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namespace audio_out { extern class_members_t members; }
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namespace audioFileIn { extern class_members_t members; }
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namespace audioFileOut { extern class_members_t members; }
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namespace gain { extern class_members_t members; }
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namespace audio_split { extern class_members_t members; }
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namespace audio_merge { extern class_members_t members; }
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namespace sine_tone { extern class_members_t members; }
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namespace pv_analysis { extern class_members_t members; }
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namespace pv_synthesis { extern class_members_t members; }
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namespace spec_dist { extern class_members_t members; }
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namespace compressor { extern class_members_t members; }
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namespace audio_delay { extern class_members_t members; }
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}
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}
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