private static int WriteDsfFile(ref AudioData ad, string path)
{
int rv;
var dsf = new WWDsfWriter();
rv = dsf.EncodeInit(ad.meta);
if (rv < 0) {
return rv;
}
rv = dsf.EncodeSetPicture(ad.picture);
if (rv < 0) {
dsf.EncodeEnd();
return rv;
}
for (int ch = 0; ch < ad.meta.channels; ++ch) {
long lrv = dsf.EncodeAddPcm(ch, ad.pcm[ch].data);
if (lrv < 0) {
dsf.EncodeEnd();
return (int)lrv;
}
}
rv = dsf.EncodeRun(path);
if (rv < 0) {
dsf.EncodeEnd();
return rv;
}
dsf.EncodeEnd();
return 0;
}