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hack to use first sample in instrument rather than last one

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This commit is contained in:
Andy Sloane 2015-10-30 08:53:39 -07:00
commit dacb1a5852
1 changed files with 23 additions and 20 deletions
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43
xm.js
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@ -919,24 +919,27 @@ function playXM(arrayBuf) {
var totalsamples = 0;
for (var j = 0; j < nsamp; j++) {
var samplen = dv.getUint32(idx, true);
var samploop = dv.getUint32(idx+4, true);
var samplooplen = dv.getUint32(idx+8, true);
var sampvol = dv.getUint8(idx+12);
var sampfinetune = dv.getInt8(idx+13);
var samptype = dv.getUint8(idx+14);
var samppan = dv.getUint8(idx+15);
var sampnote = dv.getInt8(idx+16);
var sampname = getstring(dv, idx+18, 22);
var sampleoffset = idx + samphdrsiz;
console.log("sample %d: len %d name '%s' loop %d/%d vol %d",
j, samplen, sampname, samploop, samplooplen, sampvol);
console.log(" type %d note %s(%d) finetune %d pan %d",
samptype, prettify_note(sampnote + 12*4), sampnote, sampfinetune, samppan);
console.log(" vol env", env_vol, env_vol_sustain,
env_vol_loop_start, env_vol_loop_end, "type", env_vol_type,
"fadeout", vol_fadeout);
console.log(" pan env", env_pan, env_pan_sustain,
env_pan_loop_start, env_pan_loop_end, "type", env_pan_type);
if (j == 0) {
var samplen0 = samplen; // FIXME HACK HACK HACK
var samploop = dv.getUint32(idx+4, true);
var samplooplen = dv.getUint32(idx+8, true);
var sampvol = dv.getUint8(idx+12);
var sampfinetune = dv.getInt8(idx+13);
var samptype = dv.getUint8(idx+14);
var samppan = dv.getUint8(idx+15);
var sampnote = dv.getInt8(idx+16);
var sampname = getstring(dv, idx+18, 22);
var sampleoffset = idx + samphdrsiz;
console.log("sample %d: len %d name '%s' loop %d/%d vol %d",
j, samplen, sampname, samploop, samplooplen, sampvol);
console.log(" type %d note %s(%d) finetune %d pan %d",
samptype, prettify_note(sampnote + 12*4), sampnote, sampfinetune, samppan);
console.log(" vol env", env_vol, env_vol_sustain,
env_vol_loop_start, env_vol_loop_end, "type", env_vol_type,
"fadeout", vol_fadeout);
console.log(" pan env", env_pan, env_pan_sustain,
env_pan_loop_start, env_pan_loop_end, "type", env_pan_type);
}
idx += samphdrsiz;
totalsamples += samplen;
}
@ -944,12 +947,12 @@ function playXM(arrayBuf) {
inst = {
'name': instname,
'number': i,
'len': samplen, 'loop': samploop,
'len': samplen0, 'loop': samploop,
'looplen': samplooplen, 'note': sampnote, 'fine': sampfinetune,
'pan': samppan, 'type': samptype, 'vol': sampvol,
'fine': sampfinetune,
'fadeout': vol_fadeout,
'sampledata': ConvertSample(new Uint8Array(arrayBuf, sampleoffset, samplen), samptype & 16),
'sampledata': ConvertSample(new Uint8Array(arrayBuf, sampleoffset, samplen0), samptype & 16),
};
if (samptype & 16) {
inst.len /= 2;