I am displaying video over panel using custom allocator sample, for some file it play video on some active window and this show separately . how can i avoid this unwanted window to be open.
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I am displaying video over panel using custom allocator sample, for some file it play video on some active window and this show separately . how can i avoid this unwanted window to be open.
Usually then video is played in ActiveMovie window when the decoder and renderer could not agree on the connection, so graph builder is using default renderer (if you are automatically constructing your graph by executing RenderFile method), which is played separately. Check your code in InitializeDevice method of your allocator, if InitializeDevice always failing then your video will be rendered in default renderer.
Make sure you are using VMR9Mode_Renderless mode. And if you are not using any mixing in VMR7/9 I suggest removing any calls to the SetNumberOfStreams method, it makes things simplier.
Quite good example of custom allocator usage can be found here.