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AdapterIO: Create seek sem only when requested

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This commit is contained in:
Dario Casalinuovo 2016-07-10 19:05:03 +02:00
parent 1c6c51315e
commit 0162e27293
1 changed files with 6 additions and 4 deletions
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10
src/kits/media/AdapterIO.cpp
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@ -76,7 +76,7 @@ public:
bigtime_t totalTimeOut = 0;
while(bufferSize < position+size) {
while (bufferSize < position + size) {
// We are not running, no luck to receive
// more data, let's return and avoid locking.
if (!fOwner->IsRunning())
@ -216,9 +216,6 @@ BAdapterIO::BAdapterIO(int32 flags, bigtime_t timeout)
CALLED();
fBuffer = new RelativePositionIO(this, new BMallocIO(), timeout);
if (fBuffer->IsSeekable())
fSeekSem = create_sem(0, "BAdapterIO seek sem");
}
@ -281,6 +278,9 @@ BAdapterIO::Seek(off_t position, uint32 seekMode)
if (ret == B_RESOURCE_UNAVAILABLE && fBuffer->IsStreaming()
&& fBuffer->IsSeekable()) {
fSeekSem = create_sem(0, "BAdapterIO seek sem");
if (SeekRequested(position) != B_OK)
return B_NOT_SUPPORTED;
@ -363,6 +363,8 @@ BAdapterIO::SeekCompleted()
{
CALLED();
release_sem(fSeekSem);
delete_sem(fSeekSem);
fSeekSem = -1;
}