Re: [tim-janik/beast] Jack driver new api (#128)

@swesterfeld commented on this pull request.

In bse/

> + * implemented by two index variables (read_frame_pos and write_frame_pos)
+ * for which atomic integer reads and writes are required. Since the
+ * producer thread only modifies the write_frame_pos and the consumer thread
+ * only modifies the read_frame_pos, no compare-and-swap or similar
+ * operations are needed to avoid concurrent writes.
+ */
+template<class T>
+class FrameRingBuffer {
+  //BIRNET_PRIVATE_COPY (FrameRingBuffer);
+  vector<vector<T> >  channel_buffer_;
+  std::atomic<int>    atomic_read_frame_pos_;
+  std::atomic<int>    atomic_write_frame_pos_;
+  uint                channel_buffer_size_;       // = n_frames + 1; the extra frame allows us to
+                                                  // see the difference between an empty/full ringbuffer
+  uint                n_channels_;


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