+ core::audio_channel_layout audio_channel_layout() const
+ {
+ return lock(channel_layout_mutex_, [&]
+ {
+ return channel_layout_;
+ });
+ }
+
+ void audio_channel_layout(const core::audio_channel_layout& channel_layout)
+ {
+ lock(channel_layout_mutex_, [&]
+ {
+ channel_layout_ = channel_layout;
+ stage_.clear();
+ });
+ }
+
+ void invoke_tick_listeners()
+ {
+ auto listeners = lock(tick_listeners_mutex_, [=] { return tick_listeners_; });
+
+ for (auto listener : listeners)
+ {
+ try
+ {
+ listener.second();
+ }
+ catch (...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ }
+ }
+ }
+