[FFmpeg-devel] [PATCH, RFC] lavf/deinterlace_qsv: set TFF or BFF together with progressive

Fu, Linjie linjie.fu at intel.com
Mon Feb 18 04:12:54 EET 2019


> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Carl Eugen Hoyos
> Sent: Friday, February 15, 2019 20:46
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH, RFC] lavf/deinterlace_qsv: set TFF or
> BFF together with progressive
> 
> 2019-02-15 20:50 GMT+01:00, Linjie Fu <linjie.fu at intel.com>:
> > Currently, BFF or TFF will not be set if the frame is progressive.
> > This will break the Input PicStruct check in MSDK
> 
> Was this always documented?
> 
> If not - given that this is completely counterintuitive - this should
> be fixed in the driver.
> 

I agree that this should be fixed first in the driver or MSDK.
However, in order to be more robust, I think it might be possible to make this modification 
in ffmpeg qsv too.
This will help if the user is using an earlier version of the MSDK/driver.

---
Linjie


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