Awesome, the decoder I am working with does support it and when i create the surface with BGRA fourcc, the decoding still happens - so I am assuming if I get the decoded bistream, the data will already be packed in BGRA format - correct ?
Thanks a bunch! Ratin On Mon, Jan 28, 2013 at 5:32 PM, Li, Xiaowei A <[email protected]>wrote: > According to my understanding, VAConfigAttribRTFormat is used to > describe the surface sample format, for example YUV420 , YUV422, RGB32, and > VASurfaceAtrribPixelFormat aims to specify the detailed pixel storage > layout, for example, one YUV420 surface can be stored with YV12/NV12/I420 > pixel format and one RGB32 surface can be stored with RGBA/ARGB pixel > format.**** > > You can query whether VA_RT_FORMAT_RGB32 is supported as a render > target format through “vaGetConfigAttributes()”, if supported, you can > specify the BGRA fourcc when creating a render target surface.**** > > Usually , video decoder only support YUV420 as decoding output, > one color conversion is need to get BGRA surface.**** > > ** ** > > Thanks,**** > > Xiaowei**** > > ** ** > > *From:* [email protected][mailto: > [email protected]] *On Behalf Of > *Ratin > *Sent:* Tuesday, January 29, 2013 6:19 AM > *To:* [email protected] > *Subject:* [Libva] VAConfigAttribRTFormat**** > > ** ** > > Hi got a question: > > I noticed that the #define values for for VAConfigAttribRTFormat in > VAConfigAttrib does not include BGRA or ARGB formats (it does RGB 16 and > RGB32), but the VASurfaceAttrib's VASurfaceAttribPixelFormat does allow it > thru a four_cc value. Does that mean I can't decode the H.264 bitstream > data directly to a BGRA surface, I have to convert explicitly? > > > **** > > /* attribute value for VAConfigAttribRTFormat */ > #define VA_RT_FORMAT_YUV420 0x00000001 > #define VA_RT_FORMAT_YUV422 0x00000002 > #define VA_RT_FORMAT_YUV444 0x00000004 > #define VA_RT_FORMAT_YUV411 0x00000008 > #define VA_RT_FORMAT_YUV400 0x00000010 > #define VA_RT_FORMAT_RGB16 0x00010000 > #define VA_RT_FORMAT_RGB32 0x00020000 > #define VA_RT_FORMAT_PROTECTED 0x80000000 > > **** > > Thanks**** > > Ratin**** >
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