[gst-devel] MXF-wrapped JPEG2000 decoding
Nicolas Bertrand
nico at inattendu.org
Mon Apr 11 11:46:08 PDT 2011
For structure do you think its correct to have in video.h smthg like :
add GST_VIDEO_FORMAT_JP2 in GstVideoFormat Enum
#define GST_VIDEO_CAPS_JP2 \
"video/x-raw-jp2, " \
"bpp = (int) 32, " \
"depth = (int) 12, " \
"endianness = (int) BIG_ENDIAN, " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
> It's not that much work actually
>
> Jasper (the JPEG2000 decoder library used by jp2kdec) supports 12 bit
> per color component. Adding support for this in GStreamer only requires
> to add some enums to libgstvideo for the new formats, implement them in
> all the functions that return the rowstride, component width, etc. and
> then. Afterwards conversion from/to this formats should be added to
> ffmpegcolorspace and jp2kdec should output with these caps if a 12bit
> per component image is found.
>
> If you want to try that feel free to ask further questions on IRC
> (FreeNode, #gstreamer) or on this list.
>
>
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