mm-video: fix arithmetic on a pointer to void

Summary:
Use char* instead of void* for this
pointer arithmetic. Fixes the following:

error: arithmetic on a pointer to void
(vdec_msg->msgdata.output_frame.bufferaddr +

Test Plan: verified

Reviewers: randall.rushing, synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D624

Change-Id: I6427eaaac7336c81c3b70f55f7fea7c986185079
Signed-off-by: DHOMD <DHO@dho.im>
mm-video: fix string literals for c++11

Summary: ...

Test Plan: verified

Reviewers: randall.rushing, synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D625

Change-Id: I176c84490e2659f469a8e2d6e9cb18d60f562041
Signed-off-by: DHOMD <DHO@dho.im>
mm-video: vdec: fix c++11 narrowing

static casting is the best fix for these
narrowing violations.

Change-Id: I24a0410c1d5c0e2b38f7c2e4a13419bac30bd38c
Signed-off-by: DHOMD <DHO@dho.im>
mm-video: fix additional arithmetic on a pointer to void

Use char* instead of void* for this
pointer arithmetic. Fixes the following:

Change-Id: I32f267b5b5b88b24787a46311cb9175d6ec0449f
error: arithmetic on a pointer to void
Signed-off-by: DHOMD <DHO@dho.im>