Independent Adjustment of Brightness in BTTV inputs

Description of Patch

Hack to allow you make independent adjustments of the brightness, contrast, saturation and hue of each inputs of a BTTV board, single chip.

This is useful for accessing cams of different manufacturers or in different environments.

Still it has bugs to be solve: when we make adjust the contrast (or brightness, or saturation, or hue) for 0 and after that we make the same in another input occurs the interference in the adjustment of the first one.

Modifications only in the archive video.c (video_freebsd.c not yet)…

Installation of Patch

Download the patch file.

Apply the patch from motion directory :

patch < video-RoundRobinBTTVBrightness.diff

Then re-build Motion and test the patch.

Change History of Patch

• 1.0 Initial revision

Discussion and Comments

Corrected , added a missing coma and made a diff file instead of using a video.c file.

-- AngelCarpintero - 07 Feb 2007

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This patch needs more work , because introduction of V4L2 has changed functions not hard though.

-- AngelCarpintero - 19 Nov 2007