Fix merging audio with audio device and app audio where one audio device is a microphone with mono input

2 files changed, 12 insertions, 1 deletions

diff --git a/TODO b/TODO
index d4a11ce..a5032a5 100644
--- a/TODO
+++ b/TODO
@@ -178,7 +178,7 @@ Test if `xrandr --output DP-1 --scale 1.5` captures correct size on nvidia.
 
 Fix cursor position and scale when scaling x11 display.
 
-Support surround audio in application audio recording. Right now only stereo sound is supported.
+Support surround audio in application audio recording. Right now only stereo and mono sound is supported.
 
 Support application audio recording without pulseaudio combined sink.
 
diff --git a/src/pipewire_audio.c b/src/pipewire_audio.c
index 00cd4b4..54f29bc 100644
--- a/src/pipewire_audio.c
+++ b/src/pipewire_audio.c
@@ -109,6 +109,17 @@ static void gsr_pipewire_audio_create_link(gsr_pipewire_audio *self, const gsr_p
                     output_fl_port = gsr_pipewire_audio_get_node_port_by_name(self, output_node->id, "capture_FL");
                     output_fr_port = gsr_pipewire_audio_get_node_port_by_name(self, output_node->id, "capture_FR");
                 }
+                if(!output_fl_port || !output_fr_port) {
+                    const gsr_pipewire_audio_port *output_mono_port = NULL;
+                    output_mono_port = gsr_pipewire_audio_get_node_port_by_name(self, output_node->id, "monitor_MONO");
+                    if(!output_mono_port)
+                        output_mono_port = gsr_pipewire_audio_get_node_port_by_name(self, output_node->id, "capture_MONO");
+
+                    if(output_mono_port) {
+                        output_fl_port = output_mono_port;
+                        output_fr_port = output_mono_port;
+                    }
+                }
                 break;
             }
         }