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Can the DM6467 be used with the TVP7002 to support XGA resolution video capture

zhangke
Prodigy 225 points
Other Parts Discussed in Thread: TVP7002

Can the DM6467 be used with the TVP7002 to support VGA/XGA resolution video capture,

  • 0
    TI__Mastermind 41665 points

    It looks like this might be possible as the TVP7002 has a built in color space converter that could take the incoming RGB and translate it to YCbCr, however on the DM6467 end the VPIF supported functionality described in section 1.5 of SPRUER9c shows that only TV standard formats are supported. In particular you would probably need to use the embedded syncs of the HDTV input mode to move an XGA amount of data in, since the DM6467 VPIF only supports a 16 bit bus with embedded syncs, which may not be possible based on the supported use cases mentioned above. In general it could probably be made to work unofficially, though this implementation is not tested as far as I can tell.

  • 0 in reply to Bernie Thompson TI
    Prodigy 140 points

    Bernie Thompson said:

    It looks like this might be possible as the TVP7002 has a built in color space converter that could take the incoming RGB and translate it to YCbCr, however on the DM6467 end the VPIF supported functionality described in section 1.5 of SPRUER9c shows that only TV standard formats are supported. In particular you would probably need to use the embedded syncs of the HDTV input mode to move an XGA amount of data in, since the DM6467 VPIF only supports a 16 bit bus with embedded syncs, which may not be possible based on the supported use cases mentioned above. In general it could probably be made to work unofficially, though this implementation is not tested as far as I can tell.

    Do you mean that I can use the HDTV mode to capture the TVP7002 output?  However, the HDTV mode can only support BT1120 standard. How can this be carried out?

    Besides, another guy said that it was possible to work in raw capture mod. But the TVP7002 output can't  match the format of the  raw mod .

    So do you have other advices?