Merge commit '606fb6c032fa44d9fa1efd4971308c228f2ebfff'

* commit '606fb6c032fa44d9fa1efd4971308c228f2ebfff':
  h264: call the hwaccel frame_start() from h264_field_start()

This commit is a noop, as it conflicts with 3e53211a57.

Merged-by: Timothy Gu <timothygu99@gmail.com>