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cwAudioFileOps.cpp : Refactor test() to handle many different audio file operations.

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This commit is contained in:
kevin 2024-12-02 14:47:28 -05:00
parent 9acb24e9e1
commit 2b42d60b29
1 changed files with 96 additions and 15 deletions
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111
cwAudioFileOps.cpp
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@ -129,6 +129,8 @@ namespace cw
}
else
{
assert( frmN >= fadeFrmN );
// count backward
i0 = (int)fadeFrmN;
d = -1;
@ -384,7 +386,12 @@ cw::rc_t cw::afop::mix( const object_t* cfg )
return rc;
}
cw::rc_t cw::afop::selectToFile( const char* srcFn, double beg0Sec, double beg1Sec, double end0Sec, double end1Sec, unsigned outBits, const char* outDir, const char* outFn )
cw::rc_t cw::afop::selectToFile( const char* srcFn, // source audio file
double beg0Sec, double beg1Sec, // begin cross-fade
double end0Sec, double end1Sec, // end cross-fade
unsigned outBits, // output sample word bits
const char* outDir, // output directory
const char* outFn ) // output filename
{
rc_t rc = kOkRC;
char* iFn = filesys::expandPath(srcFn);
@ -465,11 +472,13 @@ cw::rc_t cw::afop::selectToFile( const char* srcFn, double beg0Sec, double beg1
// if there is a fade-out then generate it
if( end1FrmIdx > end0FrmIdx )
{
assert( actualBufFrmN >= (end1FrmIdx - end0FrmIdx) );
float* fadeChBuf[ info.chCnt ];
for(unsigned i = 0; i<info.chCnt; ++i)
fadeChBuf[i] = chBuf[i] + actualBufFrmN - (end1FrmIdx - end0FrmIdx);
_fadeAllChannels( fadeChBuf, info.chCnt, ttlFrmN, end1FrmIdx-end0FrmIdx, kLinearFadeFl | kFadeOutFl );
_fadeAllChannels( fadeChBuf, info.chCnt, end1FrmIdx-end0FrmIdx, end1FrmIdx-end0FrmIdx, kLinearFadeFl | kFadeOutFl );
}
// write the buffer to the output file
@ -674,7 +683,11 @@ cw::rc_t cw::afop::cutAndMix( const object_t* cfg )
unsigned i;
// read the top level cfg record
if((rc = cfg->getv("dstFn",dstFn,"dstBits",dstBits,"srcDir",srcDir,"crossFadeSec",crossFadeSec,"argL",argNodeL)) != kOkRC )
if((rc = cfg->getv("dstFn",dstFn,
"dstBits",dstBits,
"srcDir",srcDir,
"crossFadeSec",crossFadeSec,
"argL",argNodeL)) != kOkRC )
goto errLabel;
if( argNodeL == nullptr )
@ -692,20 +705,24 @@ cw::rc_t cw::afop::cutAndMix( const object_t* cfg )
const object_t* o = argNodeL->child_ele(i);
// parse the non-optional parameters
if((rc = o->getv("srcBegSec", argL[i].srcBegSec, "srcEndSec", argL[i].srcEndSec, "srcFn", argL[i].srcFn )) != kOkRC )
if((rc = o->getv("srcBegSec", argL[i].srcBegSec,
"srcEndSec", argL[i].srcEndSec,
"srcFn", argL[i].srcFn )) != kOkRC )
{
rc = cwLogError(kInvalidArgRC,"Invalid crossfade argument at argument index %i.",i);
}
else
{
{
argL[i].dstBegSec = argL[i].srcBegSec; // By default the src is moved to the same location
argL[i].srcBegFadeSec = crossFadeSec; // By default the beg/end fade is the global fade time.
argL[i].srcEndFadeSec = crossFadeSec;
argL[i].gain = 1;
// parse the optional parameters
if((rc = o->getv_opt("dstBegSec", argL[i].dstBegSec, "srcBegFadeSec", argL[i].srcBegFadeSec, "srcEndFadeSec", argL[i].srcEndFadeSec, "gain", argL[i].gain )) != kOkRC )
if((rc = o->getv_opt("dstBegSec", argL[i].dstBegSec,
"srcBegFadeSec", argL[i].srcBegFadeSec,
"srcEndFadeSec", argL[i].srcEndFadeSec,
"gain", argL[i].gain )) != kOkRC )
{
rc = cwLogError(kInvalidArgRC,"Invalid crossfade optional argument at argument index %i.",i);
}
@ -773,7 +790,10 @@ cw::rc_t cw::afop::parallelMix( const object_t* cfg )
unsigned i;
// read the top level cfg record
if((rc = cfg->getv("dstFn",dstFn,"dstBits",dstBits,"srcDir",srcDir,"argL",argNodeL)) != kOkRC )
if((rc = cfg->getv("dstFn",dstFn,
"dstBits",dstBits,
"srcDir",srcDir,
"argL",argNodeL)) != kOkRC )
goto errLabel;
if( argNodeL == nullptr )
@ -849,7 +869,15 @@ cw::rc_t cw::afop::transformApp( const object_t* cfg )
unsigned i;
// read the top level cfg record
if((rc = cfg->getv("dstPreFn",dstPreFn,"dstRevFn",dstRevFn,"dstBits",dstBits,"srcDir",srcDir,"argL",argNodeL,"dryFn",dryFn,"irEnableFl",irEnableFl,"irFn",irFn,"irScale",irScale)) != kOkRC )
if((rc = cfg->getv("dstPreFn",dstPreFn,
"dstRevFn",dstRevFn,
"dstBits",dstBits,
"srcDir",srcDir,
"argL",argNodeL,
"dryFn",dryFn,
"irEnableFl",irEnableFl,
"irFn",irFn,
"irScale",irScale)) != kOkRC )
goto errLabel;
@ -1021,7 +1049,11 @@ cw::rc_t cw::afop::convolve( const object_t* cfg )
// read the top level cfg record
if((rc = cfg->getv("dstFn",dstFn,"dstBits",dstBits,"srcFn",srcFn,"irFn",irFn,"irScale",irScale)) != kOkRC )
if((rc = cfg->getv("dstFn",dstFn,
"dstBits",dstBits,
"srcFn",srcFn,
"irFn",irFn,
"irScale",irScale)) != kOkRC )
{
cwLogError(rc,"convolve() arg. parse failed.");
}
@ -1056,7 +1088,13 @@ cw::rc_t cw::afop::generate( const object_t* cfg )
const object_t* clickNode= nullptr;
// read the top level cfg record
if((rc = cfg->getv("dstFn",dstFn,"dstBits",dstBits,"dstSrate",dstSrate,"dstSecs",dstSecs,"op",opLabel,"sine",sineNode,"click",clickNode)) != kOkRC )
if((rc = cfg->getv("dstFn",dstFn,
"dstBits",dstBits,
"dstSrate",dstSrate,
"dstSecs",dstSecs,
"op",opLabel,
"sine",sineNode,
"click",clickNode)) != kOkRC )
{
cwLogError(rc,"generate() arg. parse failed.");
}
@ -1128,10 +1166,53 @@ cw::rc_t cw::afop::generate( const object_t* cfg )
cw::rc_t cw::afop::test( const object_t* cfg )
{
rc_t rc = kOkRC;
const object_t* o;
if((o = cfg->find("sine")) != nullptr )
rc = sine(o);
typedef rc_t (*func_t)( const object_t* cfg );
typedef struct map_str {
const char* label;
func_t func;
} map_t;
map_t mapA[] = {
{ "sine", sine },
{ "mix", mix },
{ "select_to_file",selectToFile },
{ "cut_and_mix",cutAndMix },
{ "parallel_mix",parallelMix },
{ "convolve", convolve },
{ "xfade_convolve", transformApp },
{ "generate", generate }
};
unsigned mapN = sizeof(mapA)/sizeof(mapA[0]);
for(unsigned i=0; i<cfg->child_count(); ++i)
{
const object_t* pair = cfg->child_ele(i);
const map_t* m = std::find_if( mapA, mapA+mapN, [pair](const map_t& m){ return textIsEqual(m.label,pair->pair_label()); });
bool enable_fl = false;
if( m == mapA+mapN )
{
rc = cwLogError(kInvalidArgRC,"The audio file operation '%s' is not valid.",pair->pair_label());
goto errLabel;
}
if((rc = pair->pair_value()->getv_opt("enable_fl",enable_fl)) != kOkRC )
{
goto errLabel;
}
if( enable_fl )
{
if((rc = m->func( pair->pair_value() )) != kOkRC )
{
goto errLabel;
}
}
}
errLabel:
return rc;
}