[Bug 794161] HEVC Decode: ERROR: pipeline doesn't want to preroll

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=794161

--- Comment #13 from U. Artie Eoff <ullysses.a.eoff at intel.com> ---
(In reply to sreerenj from comment #12)
> (In reply to U. Artie Eoff from comment #11)
> > (In reply to Tim-Philipp Müller from comment #8)
> > > Can you make the/a file available somewhere by any chance?
> > 
> > I found a file online the will reproduce this on platform <= SKL:
> > http://fate-suite.ffmpeg.org/hevc-conformance/AMP_A_Samsung_6.bit
> 
> I'll have a look.
> I can see that that stream is main-10: shouldn't be decodable with skl and
> should be decodable with kbl.
> But it seems there is some mess-up in KBL and it decodes the stream as main
> profile.

The input file is main 8bit, SKL tries to use main-10.

$ mediainfo AMP_A_Samsung_6.bit
General
Complete name                            : AMP_A_Samsung_6.bit
Format                                   : HEVC
Format/Info                              : High Efficiency Video Coding
File size                                : 2.00 MiB
FileExtension_Invalid                    : hevc h265 265

Video
Format                                   : HEVC
Format/Info                              : High Efficiency Video Coding
Format profile                           : L5.1 at Main
Width                                    : 2 560 pixels
Height                                   : 1 600 pixels
Display aspect ratio                     : 16:10
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits

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