Fixes #97 - samples_available now returns samples_available

src/data_receiver.h

@@ -70,6 +70,8 @@ class data_receiver : public cancellable_registry {
 	/// Check whether the underlying buffer is empty. This value may be inaccurate.
 	bool empty() { return sample_queue_.empty(); }
 
+	std::size_t samples_available() { return sample_queue_.read_available(); }
+
 	/// Flush the queue, return the number of dropped samples
 	uint32_t flush() noexcept { return sample_queue_.flush(); }
 

src/stream_inlet_impl.h

@@ -302,7 +302,7 @@ class stream_inlet_impl {
 	 * Query the current size of the buffer, i.e. the number of samples that are buffered.
 	 * Note that this value may be inaccurate and should not be relied on for program logic.
 	 */
-	std::size_t samples_available() { return (std::size_t)(!data_receiver_.empty()); }
+	std::size_t samples_available() { return data_receiver_.samples_available(); }
 
 	/// Flush the queue, return the number of dropped samples
 	uint32_t flush() { return data_receiver_.flush(); }