spl::shared_ptr<core::frame_producer> create_channel_producer(
const core::frame_producer_dependencies& dependencies,
const spl::shared_ptr<core::video_channel>& channel,
spl::shared_ptr<core::frame_producer> create_channel_producer(
const core::frame_producer_dependencies& dependencies,
const spl::shared_ptr<core::video_channel>& channel,