audio: remove qemu_spice_audio_init()

Handle the spice special case in audio_init instead.

With the qemu_spice_audio_init() symbol dependency being
gone we can build spiceaudio as module.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200916084117.21828-2-kraxel@redhat.com

2 files changed, 16 insertions, 5 deletions

diff --git a/audio/audio.c b/audio/audio.c
index 6ff3f168d7..46578e4a58 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -34,6 +34,7 @@
 #include "qemu/module.h"
 #include "sysemu/replay.h"
 #include "sysemu/runstate.h"
+#include "ui/qemu-spice.h"
 #include "trace.h"
 
 #define AUDIO_CAP "audio"
@@ -1696,6 +1697,21 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
     /* silence gcc warning about uninitialized variable */
     AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head);
 
+    if (using_spice) {
+        /*
+         * When using spice allow the spice audio driver being picked
+         * as default.
+         *
+         * Temporary hack.  Using audio devices without explicit
+         * audiodev= property is already deprecated.  Same goes for
+         * the -soundhw switch.  Once this support gets finally
+         * removed we can also drop the concept of a default audio
+         * backend and this can go away.
+         */
+        driver = audio_driver_lookup("spice");
+        driver->can_be_default = 1;
+    }
+
     if (dev) {
         /* -audiodev option */
         legacy_config = false;
diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c
index c062742622..ed6dff1dcc 100644
--- a/audio/spiceaudio.c
+++ b/audio/spiceaudio.c
@@ -311,11 +311,6 @@ static struct audio_driver spice_audio_driver = {
     .voice_size_in  = sizeof (SpiceVoiceIn),
 };
 
-void qemu_spice_audio_init (void)
-{
-    spice_audio_driver.can_be_default = 1;
-}
-
 static void register_audio_spice(void)
 {
     audio_driver_register(&spice_audio_driver);