If you are decoding field separate stream then alternating between TOP_FIELD and BOTTON_FIELD needs to be done. <br>
But if you have two separate fields and merge them to form one frame and encode it , it becomes field interleaved. FRAME_PICTURE is given as the flag display. <br>
In the later case when you decode it you can see combing artifacts. I want to do a deinterlacing of this decoded picture <br><br><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Ivor Hewitt</b> <span dir="ltr"><<a href="mailto:ivor@ivor.org">ivor@ivor.org</a>></span><br>
Date: Thu, Nov 26, 2009 at 6:57 PM<br>Subject: Re: [Libva] How to do Deinterlacing ?<br>To: Sambhav <<a href="mailto:isambhav@gmail.com">isambhav@gmail.com</a>><br>Cc: <a href="mailto:libva@lists.freedesktop.org">libva@lists.freedesktop.org</a><br>
<br><br>sorry if this is completely and utterly wrong, since I'm not an expert at vaapi....<br>
but if you're decoding a field interleaved stream shouldn't you be alternating between TOP_FIELD and BOTTOM field in the flags for PutSurface?<br>
<br>
Regards,<br>
Ivor.<br>
<br>
Sambhav wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div></div><div class="h5">
Hi All,<br>
I am decoding a field interleaved and encoded bitstream. When displaying this decoded Surface I can see combing artifacts in the picture.<br>
Is it possible to do deinterlacing on a FRAME PICTURE? If yes how to do it?<br>
VA header file va_x11.h says<br>
" It basically performs a de-interlacing (if needed), color space conversion and scaling to the destination rectangle"<br>
When does deinterlacing happen ?<br>
Also can anyone explain how to do Field display using vaPutSurface API.?<br>
Regards,<br>
Sambhav<br></div></div>
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