class Gst::Buffer

# File lib/gst/buffer.rb, line 20
def map(flags)
  success, info = map_raw(flags)
  raise Gst::CoreError::Failed.new("failed to map buffer") unless success
  return info unless block_given?

  begin
    yield info
  ensure
    unmap(info)
  end
end

# File lib/gst/buffer.rb, line 33
def map_range(idx, length, flags)
  success, info = map_range_raw(idx, length, flags)
  raise Gst::CoreError::Failed.new("failed to map buffer") unless success
  return info unless block_given?

  begin
    yield info
  ensure
    unmap(info)
  end
end