[Bug 692942] h264parse: add conversion support from baseline/other profiles to constrained-baseline profile

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=692942
  GStreamer | gst-plugins-bad | unspecified

--- Comment #4 from Gwenole Beauchesne <gb.devel at gmail.com> 2013-02-08 09:57:38 UTC ---
I was probably confusing. So, in summary:
1. Constrained Baseline to Baseline profile is OK. This is a no-brainer ;
2. Baseline Profile to Constrained Baseline needs processing, that is
   a. a no-brainer if the stream doesn't use ASO or FMO feature set ;
   b. should be possible with minimal processing with ASO only ;
   c. I am not very sure for FMO :)

Having said that, what is the proportion of video clips around which are really
Baseline profile with ASO and FMO anyway?

The reason for CBP is that most HW decoders around could only support it and
not the full-blown Baseline profile specification. Even FFmpeg does not fully
support it either anyway. So, this looks rare.

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