mixer: migrate to C++ exceptions

1 files changed, 4 insertions, 6 deletions

diff --git a/src/mixer/MixerPlugin.hxx b/src/mixer/MixerPlugin.hxx
index f12631d0a..cc86b2e50 100644
--- a/src/mixer/MixerPlugin.hxx
+++ b/src/mixer/MixerPlugin.hxx
@@ -32,22 +32,20 @@ struct AudioOutput;
 class Mixer;
 class MixerListener;
 class EventLoop;
-class Error;
 
 struct MixerPlugin {
 	/**
          * Alocates and configures a mixer device.
 	 *
+	 * Throws std::runtime_error on error.
+	 *
 	 * @param ao the associated AudioOutput
 	 * @param param the configuration section
-	 * @param error_r location to store the error occurring, or
-	 * nullptr to ignore errors
-	 * @return a mixer object, or nullptr on error
+	 * @return a mixer object
 	 */
 	Mixer *(*init)(EventLoop &event_loop, AudioOutput &ao,
 		       MixerListener &listener,
-		       const ConfigBlock &block,
-		       Error &error);
+		       const ConfigBlock &block);
 
 	/**
 	 * If true, then the mixer is automatically opened, even if