[FFmpeg-devel] [PATCH v2 3/6] lavc/qsvdec: Replace current parser with MFXVideoDECODE_DecodeHeader()

[Li, Zhong]

> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Carl Eugen Hoyos
> Sent: Thursday, February 21, 2019 8:26 AM
> To: FFmpeg development discussions and patches
> <ffmpeg-devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v2 3/6] lavc/qsvdec: Replace current
> parser with MFXVideoDECODE_DecodeHeader()
> 
> 2019-02-20 3:58 GMT+01:00, Zhong Li <zhong.li at intel.com>:
> 
> > And it is necessary for adding new qsv decoders such as MJPEG and VP9
> > since current parser can't provide enough information.
> 
> Just curious: What information is missing?
> 
> Carl Eugen

To init MSDK decoder, width/height/pix_fmt/picture_struct/level/profile are needed.
But currently, mjpeg_parser.c provides nothing of them. VP9 also provides very few information. 

If we want to further discussion about adding the missing information, probably we can continue in Mark's thread.