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Code simplification and a commont on why fOurBuffers is

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maintained as member variable.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38668 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2010-09-16 12:38:41 +00:00
parent 89f25d71bf
commit 6edc3b4193
1 changed files with 13 additions and 12 deletions
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25
src/apps/mediaplayer/media_node_framework/video/VideoConsumer.cpp
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@ -547,7 +547,7 @@ VideoConsumer::_HandleBuffer(BBuffer* buffer)
return;
}
// see if this is one of our buffers
// See if this is one of our BBitmap buffers
uint32 index = 0;
fOurBuffers = true;
while (index < kBufferCount) {
@ -557,17 +557,20 @@ VideoConsumer::_HandleBuffer(BBuffer* buffer)
index++;
}
if (index == kBufferCount) {
// no, buffers belong to consumer
// Buffers belong to consumer
// NOTE: We maintain this in a member variable, since we still need
// to recycle this buffer later on, in case it was the last buffer
// received before shutting down.
fOurBuffers = false;
index = (fLastBufferIndex + 1) % kBufferCount;
}
bool dropped = false;
bool recycle = true;
bigtime_t now = TimeSource()->Now();
if (RunMode() == B_OFFLINE
|| now < buffer->Header()->start_time
+ kMaxBufferLateness) {
|| now < buffer->Header()->start_time + kMaxBufferLateness) {
// Only display the buffer if it's not too late, or if we are
// in B_OFFLINE run-mode.
if (!fOurBuffers) {
memcpy(fBitmap[index]->Bits(), buffer->Data(),
fBitmap[index]->BitsLength());
@ -589,17 +592,15 @@ VideoConsumer::_HandleBuffer(BBuffer* buffer)
}
fTargetLock.Unlock();
} else {
dropped = true;
PROGRESS("VideoConsumer::HandleEvent - DROPPED FRAME\n"
" start_time: %lld, current: %lld, latency: %lld\n",
buffer->Header()->start_time, TimeSource()->Now(),
SchedulingLatency());
}
if (dropped) {
// Drop the buffer if it's too late.
if (fManager->LockWithTimeout(10000) == B_OK) {
fManager->FrameDropped();
fManager->Unlock();
}
PROGRESS("VideoConsumer::HandleEvent - DROPPED FRAME\n"
" start_time: %lld, current: %lld, latency: %lld\n",
buffer->Header()->start_time, TimeSource()->Now(),
SchedulingLatency());
}
if (recycle)
buffer->Recycle();