void
EncodedBufferCache::AppendBuffer(nsTArray<uint8_t> & aBuf)
{
MutexAutoLock lock(mMutex);
mDataSize += aBuf.Length();
mEncodedBuffers.AppendElement()->SwapElements(aBuf);
if (!mTempFileEnabled && mDataSize > mMaxMemoryStorage) {
nsresult rv = NS_OpenAnonymousTemporaryFile(&mFD);
if (!NS_FAILED(rv)) {
mTempFileEnabled = true;
}
}
if (mTempFileEnabled) {
// has created temporary file, write buffer in it
for (uint32_t i = 0; i < mEncodedBuffers.Length(); i++) {
int64_t amount = PR_Write(mFD, mEncodedBuffers.ElementAt(i).Elements(), mEncodedBuffers.ElementAt(i).Length());
if (amount < mEncodedBuffers.ElementAt(i).Length()) {
NS_WARNING("Failed to write media cache block!");
}
}
mEncodedBuffers.Clear();
}
}
void
EncodedBufferCache::AppendBuffer(nsTArray<uint8_t> & aBuf)
{
MutexAutoLock lock(mMutex);
mDataSize += aBuf.Length();
mEncodedBuffers.AppendElement()->SwapElements(aBuf);
if (!mTempFileEnabled && mDataSize > mMaxMemoryStorage) {
nsresult rv;
PRFileDesc* tempFD = nullptr;
{
// Release the mMutex because there is a sync dispatch to mainthread in
// NS_OpenAnonymousTemporaryFile.
MutexAutoUnlock unlock(mMutex);
rv = NS_OpenAnonymousTemporaryFile(&tempFD);
}
if (!NS_FAILED(rv)) {
// Check the mDataSize again since we release the mMutex before.
if (mDataSize > mMaxMemoryStorage) {
mFD = tempFD;
mTempFileEnabled = true;
} else {
// Close the tempFD because the data had been taken during the
// MutexAutoUnlock.
PR_Close(tempFD);
}
}
}
if (mTempFileEnabled) {
// has created temporary file, write buffer in it
for (uint32_t i = 0; i < mEncodedBuffers.Length(); i++) {
int32_t amount = PR_Write(mFD, mEncodedBuffers.ElementAt(i).Elements(), mEncodedBuffers.ElementAt(i).Length());
if (amount < 0 || size_t(amount) < mEncodedBuffers.ElementAt(i).Length()) {
NS_WARNING("Failed to write media cache block!");
}
}
mEncodedBuffers.Clear();
}
}
