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Amend r8bstate definition with extra safety

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Just in case anything using the implementation ever needs to request
less sample data than would be returned by the resampler, it should be
able to return a remainder and keep extra remaining samples, if any.
However, the way Cog currently uses it, it would not be likely to run
into this scenario.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
This commit is contained in:
Christopher Snowhill 2022-03-05 15:23:21 -08:00
parent ed0f7d81ab
commit 7c5cec1eb7
1 changed files with 10 additions and 0 deletions
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10
Audio/ThirdParty/r8bstate.h vendored
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@ -55,6 +55,11 @@ struct r8bstate {
vDSP_vdpsp(&OutBufs[i][0], 1, output + i, channelCount, blockCount);
}
remainder -= blockCount;
if(remainder > 0) {
for(i = 0; i < channelCount; ++i) {
memmove(&OutBufs[i][0], &OutBufs[i][blockCount], remainder * sizeof(double));
}
}
output += channelCount * blockCount;
outProcessed += blockCount;
outMax -= blockCount;
@ -108,6 +113,11 @@ struct r8bstate {
vDSP_vdpsp(&OutBufs[i][0], 1, output + i, channelCount, blockCount);
}
remainder -= blockCount;
if(remainder > 0) {
for(i = 0; i < channelCount; ++i) {
memmove(&OutBufs[i][0], &OutBufs[i][blockCount], remainder * sizeof(double));
}
}
output += channelCount * blockCount;
outProcessed += blockCount;
outMax -= blockCount;