void
VideoView::DrawFrame()
{
// printf("VideoView::DrawFrame\n");
if (!fVideoActive) {
fVideoActive = true;
if (LockLooperWithTimeout(50000) != B_OK)
return;
Invalidate();
UnlockLooper();
}
fLastFrame = system_time();
bool want_overlay = fVideoNode->IsOverlayActive();
if (!want_overlay && fOverlayActive) {
if (LockLooperWithTimeout(50000) == B_OK) {
ClearViewOverlay();
UnlockLooper();
fOverlayActive = false;
} else {
printf("can't ClearViewOverlay, as LockLooperWithTimeout "
"failed\n");
}
}
if (want_overlay && !fOverlayActive) {
fVideoNode->LockBitmap();
BBitmap *bmp = fVideoNode->Bitmap();
if (bmp && LockLooperWithTimeout(50000) == B_OK) {
SetViewOverlay(bmp, bmp->Bounds(), Bounds(), &fOverlayKeyColor,
B_FOLLOW_ALL, B_OVERLAY_FILTER_HORIZONTAL
| B_OVERLAY_FILTER_VERTICAL);
fOverlayActive = true;
Invalidate();
UnlockLooper();
}
fVideoNode->UnlockBitmap();
}
if (!fOverlayActive) {
if (LockLooperWithTimeout(50000) != B_OK)
return;
Invalidate();
UnlockLooper();
}
}
void
VideoView::RemoveOverlay()
{
printf("VideoView::RemoveOverlay\n");
if (LockLooperWithTimeout(50000) == B_OK) {
ClearViewOverlay();
fOverlayActive = false;
UnlockLooper();
}
}
// SetValue
void
PopupSlider::SetValue(int32 value)
{
if (!fTracking) {
/* if (fSlider->LockLooper()) {
fSlider->SetValue(value);
fSlider->UnlockLooper();
} else*/
if (value != Value()) {
fSlider->SetValue(value);
if (LockLooperWithTimeout(0) >= B_OK) {
Invalidate();
UnlockLooper();
}
}
} else
ValueChanged(value);
}
// SetBitmap
void
VideoView::SetBitmap(const BBitmap* bitmap)
{
VCTarget::SetBitmap(bitmap);
// Attention: Don't lock the window, if the bitmap is NULL. Otherwise
// we're going to deadlock when the window tells the node manager to
// stop the nodes (Window -> NodeManager -> VideoConsumer -> VideoView
// -> Window).
if (bitmap && LockLooperWithTimeout(10000) == B_OK) {
if (LockBitmap()) {
// if (fOverlayMode || bitmap->Flags() & B_BITMAP_WILL_OVERLAY) {
if (fOverlayMode || bitmap->ColorSpace() == B_YCbCr422) {
if (!fOverlayMode) {
// init overlay
rgb_color key;
SetViewOverlay(bitmap,
bitmap->Bounds(),
Bounds(),
&key, B_FOLLOW_ALL,
B_OVERLAY_FILTER_HORIZONTAL
| B_OVERLAY_FILTER_VERTICAL);
SetViewColor(key);
Invalidate();
// use overlay from here on
fOverlayMode = true;
} else {
// transfer overlay channel
rgb_color key;
SetViewOverlay(bitmap,
bitmap->Bounds(),
Bounds(),
&key, B_FOLLOW_ALL,
B_OVERLAY_FILTER_HORIZONTAL
| B_OVERLAY_FILTER_VERTICAL
| B_OVERLAY_TRANSFER_CHANNEL);
}
} else {
DrawBitmap(bitmap, bitmap->Bounds(), Bounds());
}
UnlockBitmap();
}
UnlockLooper();
}
}
