[mythtv] Question on Xv output and NuppelVideoPlayer

J. Donavan Stanley jdonavan at jdonavan.net
Fri Jul 2 06:14:30 EDT 2004

Clyde Stubbs wrote:

>thanks for the reply;
>On Thu, Jul 01, 2004 at 03:00:22PM -0400, Isaac Richards wrote:
>>displayed.  The XSync call makes it wait and not return until the image has
>>been displayed (ie, the XvPutImage request has been completed).  Separating
>No, it doesn't. All XSync does is send a GetInputFocus request to the X server
>and waits for the reply. 

The *XSync()* function flushes the output buffer and then waits until 
all requests have been received and processed by the X server. Any 
errors generated must be handled by the error handler. For each protocol 
error received by Xlib, *XSync()* calls the client application's error 
handling routine (see "Using the Default Error Handlers 
Any events generated by the server are enqueued into the library's event 

The part about flushing the output buffer would tend to disagree...

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