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Bug 1135532: Allow partial truncation from ResourceQueue. r=cajbir

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This commit is contained in:
Jean-Yves Avenard 2015-02-25 20:35:21 +11:00
parent 26d3ba6fc1
commit ca5abc580a
1 changed files with 10 additions and 0 deletions
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10
dom/media/mediasource/ResourceQueue.h
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@ -123,6 +123,16 @@ public:
SBR_DEBUG("item=%p length=%d offset=%llu", SBR_DEBUG("item=%p length=%d offset=%llu",
item, item->mData->Length(), mOffset); item, item->mData->Length(), mOffset);
if (item->mData->Length() + mOffset >= aOffset) { if (item->mData->Length() + mOffset >= aOffset) {
if (aOffset <= mOffset) {
break;
}
uint32_t offset = aOffset - mOffset;
mOffset += offset;
evicted += offset;
nsRefPtr<LargeDataBuffer> data = new LargeDataBuffer;
data->AppendElements(item->mData->Elements() + offset,
item->mData->Length() - offset);
item->mData = data;
break; break;
} }
mOffset += item->mData->Length(); mOffset += item->mData->Length();