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add AICA and YMZ ADPCM formats

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This commit is contained in:
tildearrow 2022-05-14 16:59:07 -05:00
parent a2ae7dbb3d
commit ce253230ce
4 changed files with 52 additions and 4 deletions
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36
src/engine/sample.cpp
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@ -93,6 +93,18 @@ bool DivSample::initInternal(unsigned char d, int count) {
dataDPCM=new unsigned char[lengthDPCM];
memset(dataDPCM,0,lengthDPCM);
break;
case 2: // AICA ADPCM
if (dataAICA!=NULL) delete[] dataAICA;
lengthAICA=(count+1)/2;
dataAICA=new unsigned char[(lengthAICA+255)&(~0xff)];
memset(dataAICA,0,(lengthAICA+255)&(~0xff));
break;
case 3: // YMZ ADPCM
if (dataZ!=NULL) delete[] dataZ;
lengthZ=(count+1)/2;
dataZ=new unsigned char[(lengthZ+255)&(~0xff)];
memset(dataZ,0,(lengthZ+255)&(~0xff));
break;
case 4: // QSound ADPCM
if (dataQSoundA!=NULL) delete[] dataQSoundA;
lengthQSoundA=(count+1)/2;
@ -657,6 +669,12 @@ void DivSample::render() {
}
break;
}
case 2: // AICA ADPCM
aica_decode(dataAICA,data16,samples);
break;
case 3: // YMZ ADPCM
ymz_decode(dataZ,data16,samples);
break;
case 4: // QSound ADPCM
bs_decode(dataQSoundA,data16,samples);
break;
@ -709,6 +727,14 @@ void DivSample::render() {
if (accum>127) accum=127;
}
}
if (depth!=2) { // AICA ADPCM
if (!initInternal(2,samples)) return;
aica_encode(data16,dataAICA,(samples+511)&(~0x1ff));
}
if (depth!=3) { // YMZ ADPCM
if (!initInternal(3,samples)) return;
ymz_encode(data16,dataZ,(samples+511)&(~0x1ff));
}
if (depth!=4) { // QSound ADPCM
if (!initInternal(4,samples)) return;
bs_encode(data16,dataQSoundA,samples);
@ -745,6 +771,10 @@ void* DivSample::getCurBuf() {
return data1;
case 1:
return dataDPCM;
case 2:
return dataAICA;
case 3:
return dataZ;
case 4:
return dataQSoundA;
case 5:
@ -771,6 +801,10 @@ unsigned int DivSample::getCurBufLen() {
return length1;
case 1:
return lengthDPCM;
case 2:
return lengthAICA;
case 3:
return lengthZ;
case 4:
return lengthQSoundA;
case 5:
@ -881,6 +915,8 @@ DivSample::~DivSample() {
if (data16) delete[] data16;
if (data1) delete[] data1;
if (dataDPCM) delete[] dataDPCM;
if (dataAICA) delete[] dataAICA;
if (dataZ) delete[] dataZ;
if (dataQSoundA) delete[] dataQSoundA;
if (dataA) delete[] dataA;
if (dataB) delete[] dataB;