Get device capabilities

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Add YUV converter

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Add gitignore

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Add experimental conversion and write calls

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>