Empia em28xx based USB video device... (2)

[Mat <heavensdoor78@xxxxxxxxx>]

Hi all.
How do I test if the current driver support a specific kind of field type?

The device I'm working with seems to work only in interlaced mode.
V4L2_FIELD_NONE is ignored.

From v4l-info:

video capture
   VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
       index                   : 0
       type                    : VIDEO_CAPTURE
       flags                   : 0
       description             : "Packed YUY2"
       pixelformat             : 0x56595559 [YUYV]
   VIDIOC_G_FMT(VIDEO_CAPTURE)
       type                    : VIDEO_CAPTURE
       fmt.pix.width           : 720
       fmt.pix.height          : 576
       fmt.pix.pixelformat     : 0x56595559 [YUYV]
       fmt.pix.field           : INTERLACED
       fmt.pix.bytesperline    : 1440
       fmt.pix.sizeimage       : 829440
       fmt.pix.colorspace      : SMPTE170M
       fmt.pix.priv            : 0

Is it a module driver limit or an hardware limit?
In Windows it seems ok... I don't think VLC ( I use it for testing on 
Win ) de-interlace automatically.

Ideas?
I have to de-interlace myself the frames I suppose...

Thanks in advance.
-Mat-

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