DirectSound: always set the original_channels

Ref #13826

diff --git a/modules/audio_output/directsound.c b/modules/audio_output/directsound.c
index 3d1c2bd0116d8ad8d6fbc3c6be3e5379830278e3..2a1a06d749cf0cc2a44e4ef2466f3d74af50fdcd 100644 (file)
--- a/modules/audio_output/directsound.c
+++ b/modules/audio_output/directsound.c
@@ -773,6 +773,8 @@ static HRESULT Start( vlc_object_t *obj, aout_stream_sys_t *sys,
         }
     }
 
+    fmt->i_original_channels = fmt->i_physical_channels;
+
     int ret = vlc_clone(&sys->eraser_thread, PlayedDataEraser, (void*) obj,
                         VLC_THREAD_PRIORITY_LOW);
     if( unlikely( ret ) )