Hwcodec: codec preference
update bytes(protobuf types) mapping, from Vec<u8> to bytes:Byte
Signed-off-by: 21pages <pages21@163.com>
and refactor hwcodec::best() Signed-off-by: 21pages <pages21@163.com>
Signed-off-by: fufesou <shuanglongchen@yeah.net>
issues:958