<div dir="ltr"><div><div>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 ? </div>Thanks a bunch! </div>Ratin </div><div class="gmail_extra"> <div class="gmail_quote">On Mon, Jan 28, 2013 at 5:32 PM, Li, Xiaowei A <<a href="mailto:xiaowei.a.li@intel.com" target="_blank">xiaowei.a.li@intel.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div link="blue" vlink="purple" lang="ZH-CN"> <div> 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: libva-bounces+<a href="http://xiaowei.a.li" target="_blank">xiaowei.a.li</a>=<a href="mailto:intel.com@lists.freedesktop.org" target="_blank">intel.com@lists.freedesktop.org</a> [mailto:<a href="mailto:libva-bounces%2Bxiaowei.a.li" target="_blank">libva-bounces+xiaowei.a.li</a>=<a href="mailto:intel.com@lists.freedesktop.org" target="_blank">intel.com@lists.freedesktop.org</a>] On Behalf Of Ratin Sent: Tuesday, January 29, 2013 6:19 AM To: <a href="mailto:Libva@lists.freedesktop.org" target="_blank">Libva@lists.freedesktop.org</a> Subject: [Libva] VAConfigAttribRTFormat<div><div class="h5"> <div> 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? <div> /* 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 </div> <div> Thanks </div> <div> Ratin </div> </div> </div></div></div> </div> </blockquote></div> </div>