stream: add functions to get the assigned data loop

src/pipewire/filter.c

@@ -1956,6 +1956,13 @@ uint64_t pw_filter_get_nsec(struct pw_filter *filter)
 	return SPA_TIMESPEC_TO_NSEC(&ts);
 }
 
+SPA_EXPORT
+struct pw_loop *pw_filter_get_data_loop(struct pw_filter *filter)
+{
+	struct filter *impl = SPA_CONTAINER_OF(filter, struct filter, this);
+	return impl->data_loop;
+}
+
 SPA_EXPORT
 struct pw_buffer *pw_filter_dequeue_buffer(void *port_data)
 {

src/pipewire/filter.h

@@ -219,6 +219,10 @@ int pw_filter_get_time(struct pw_filter *filter, struct pw_time *time);
  * the nsec value in the spa_io_position. Since 1.1.0 */
 uint64_t pw_filter_get_nsec(struct pw_filter *filter);
 
+/** Get the data loop that is doing the processing of this filter. This loop
+ * is assigned after pw_filter_connect().  * Since 1.1.0 */
+struct pw_loop *pw_filter_get_data_loop(struct pw_filter *filter);
+
 /** Get a buffer that can be filled for output ports or consumed
  * for input ports.  */
 struct pw_buffer *pw_filter_dequeue_buffer(void *port_data);

src/pipewire/stream.c

@@ -2369,6 +2369,13 @@ uint64_t pw_stream_get_nsec(struct pw_stream *stream)
 	return SPA_TIMESPEC_TO_NSEC(&ts);
 }
 
+SPA_EXPORT
+struct pw_loop *pw_stream_get_data_loop(struct pw_stream *stream)
+{
+	struct stream *impl = SPA_CONTAINER_OF(stream, struct stream, this);
+	return impl->data_loop;
+}
+
 static int
 do_trigger_deprecated(struct spa_loop *loop,
                  bool async, uint32_t seq, const void *data, size_t size, void *user_data)

src/pipewire/stream.h

@@ -447,7 +447,7 @@ pw_stream_new(struct pw_core *core,		/**< a \ref pw_core */
 	      struct pw_properties *props	/**< stream properties, ownership is taken */);
 
 struct pw_stream *
-pw_stream_new_simple(struct pw_loop *loop,	/**< a \ref pw_loop to use */
+pw_stream_new_simple(struct pw_loop *loop,	/**< a \ref pw_loop to use as the main loop */
 		     const char *name,		/**< a stream media name */
 		     struct pw_properties *props,/**< stream properties, ownership is taken */
 		     const struct pw_stream_events *events,	/**< stream events */
@@ -536,6 +536,10 @@ int pw_stream_get_time_n(struct pw_stream *stream, struct pw_time *time, size_t
  * the pw_time_now value. Since 1.1.0 */
 uint64_t pw_stream_get_nsec(struct pw_stream *stream);
 
+/** Get the data loop that is doing the processing of this stream. This loop
+ * is assigned after pw_stream_connect().  * Since 1.1.0 */
+struct pw_loop *pw_stream_get_data_loop(struct pw_stream *stream);
+
 /** Query the time on the stream, deprecated since 0.3.50,
  * use pw_stream_get_time_n() to get the fields added since 0.3.50. */
 SPA_DEPRECATED