msg_Dbg( p_demux, "QTCapture Probed" );
QTCaptureDeviceInput * input = nil;
+ NSError *o_returnedError;
p_sys->device = [QTCaptureDevice defaultInputDeviceWithMediaType: QTMediaTypeVideo];
if( !p_sys->device )
goto error;
}
- if( ![p_sys->device open: nil /* FIXME */] )
+ if( ![p_sys->device open: &o_returnedError] )
{
- msg_Err( p_demux, "Can't open any Video device" );
+ msg_Err( p_demux, "Unable to open the capture device (%i)", [o_returnedError code] );
+ goto error;
+ }
+
+ if( [p_sys->device isInUseByAnotherApplication] == YES )
+ {
+ msg_Err( p_demux, "default capture device is exclusively in use by another application" );
goto error;
}
input = [[QTCaptureDeviceInput alloc] initWithDevice: p_sys->device];
- if( !p_sys->device )
+ if( !input )
{
- msg_Err( p_demux, "Can't create a capture session" );
+ msg_Err( p_demux, "can't create a valid capture input facility" );
goto error;
}
p_sys->session = [[QTCaptureSession alloc] init];
- bool ret = [p_sys->session addInput:input error:nil /* FIXME */];
+ bool ret = [p_sys->session addInput:input error: &o_returnedError];
if( !ret )
{
- msg_Err( p_demux, "Can't add the video device as input" );
+ msg_Err( p_demux, "default video capture device could not be added to capture session (%i)", [o_returnedError code] );
goto error;
}
- ret = [p_sys->session addOutput:p_sys->output error:nil /* FIXME */];
+ ret = [p_sys->session addOutput:p_sys->output error: &o_returnedError];
if( !ret )
{
- msg_Err( p_demux, "Can't get any output output" );
+ msg_Err( p_demux, "output could not be added to capture session (%i)", [o_returnedError code] );
goto error;
}