Windows Media and DirectShow tips, gotchas and code bits

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Tuesday, March 25, 2008 8:12 PM

When playing back a DV encoded AVI file, what does the AVI Splitter do when it detects a zero byte sample (zero byte index) from the Async File Source?

Q. When playing back a DV encoded AVI file, what does the AVI Splitter do when it detects a zero byte sample (zero byte index) from the Async File Source? A. From what I see in the code the AVI Splitter doesn’t do anything when it detects a zero byte

Posted by MediaSDKStuff | (Comments Off)

Filed under: DV Decoder, DirectShow, AVI Splitter, Async File Source

Tuesday, March 25, 2008 8:06 PM

When NTSC (29.97 interlaced) video is being fed to the VMR9 with a custom allocator/presenter, PresentImage is being called 60 times per second. You expect 30 times per second.

Q. When NTSC (29.97 interlaced) video is being fed to the VMR9 with a custom allocator/presenter, PresentImage is being called 60 times per second. You expect 30 times per second. A. This is by design depending on the type of deinterlacing that you are

Posted by MediaSDKStuff | (Comments Off)

Filed under: deinterlacing, VMR9, DV Decoder, DirectShow, AVI Splitter

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When playing back a DV encoded AVI file, what does the AVI Splitter do when it detects a zero byte sample (zero byte index) from the Async File Source?

When NTSC (29.97 interlaced) video is being fed to the VMR9 with a custom allocator/presenter, PresentImage is being called 60 times per second. You expect 30 times per second.