Revert "mm-video: vdec: fix c++11 narrowing"

This reverts commit fb1a1f7e215409550183516a205b7fb28db09c57.
Revert "mm-video: fix additional arithmetic on a pointer to void"

This reverts commit 3cf483d6397957c337886c474e26fe31bbed81f9.
Revert "mm-video: fix string literals for c++11"

This reverts commit 6968ba0086a9105520e89b7cdf88c1a0f3dc9ea0.