[Libva] [PATCH][Libva-intel-driver] i965_DeriveImage() support JPEG color formats

[Xiang, Haihao]

On Tue, 2014-04-15 at 07:27 -0700, Gwenole Beauchesne wrote: 
> Hi,
> 
> 2014-04-14 1:17 GMT-07:00 Zhong Li <zhong.li at intel.com>:
> > Signed-off-by: Zhong Li <zhong.li at intel.com>
> > ---
> >  src/i965_drv_video.c |    6 ++++++
> >  1 file changed, 6 insertions(+)
> >
> > diff --git a/src/i965_drv_video.c b/src/i965_drv_video.c
> > index cc61ad3..f94d429 100755
> > --- a/src/i965_drv_video.c
> > +++ b/src/i965_drv_video.c
> > @@ -3286,6 +3286,10 @@ VAStatus i965_DeriveImage(VADriverContextP ctx,
> >
> >      case VA_FOURCC_I420:
> >      case VA_FOURCC_422H:
> > +    case VA_FOURCC_IMC3:
> > +    case VA_FOURCC_444P:
> > +    case VA_FOURCC_422V:
> > +    case VA_FOURCC_411P:
> >          image->num_planes = 3;
> >          image->pitches[0] = w_pitch; /* Y */
> >          image->offsets[0] = 0;
> 
> IMC3 fourcc is totally useless, change that to be I420.

IMC3 is required for JPEG decoding and U/V plane + garbage is in full
pitch. 


> 
> > @@ -3294,8 +3298,10 @@ VAStatus i965_DeriveImage(VADriverContextP ctx,
> >          image->pitches[2] = obj_surface->cb_cr_pitch; /* V */
> >          image->offsets[2] = w_pitch * obj_surface->y_cr_offset;
> >          break;
> > +
> >      case VA_FOURCC_YUY2:
> >      case VA_FOURCC_UYVY:
> > +    case VA_FOURCC_Y800:
> >          image->num_planes = 1;
> >          image->pitches[0] = obj_surface->width; /* Y, width is aligned already */
> >          image->offsets[0] = 0;
> > --
> > 1.7.9.5
> >
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