introduce -audio as a replacement for -soundhw

-audio is used like "-audio pa,model=sb16".  It is almost as simple as
-soundhw, but it reuses the -audiodev parsing machinery and attaches an
audiodev to the newly-created device.  The main 'feature' is that
it knows about adding the codec device for model=intel-hda, and adding
the audiodev to the codec device.

In the future, it could be extended to support default models or
builtin devices, just like -nic, or even a default backend.  For now,
keep it simple.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2 files changed, 8 insertions, 1 deletions

diff --git a/audio/audio.c b/audio/audio.c
index 9e91a5a4f2..a02f3ce5c6 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -2099,13 +2099,19 @@ static void audio_validate_opts(Audiodev *dev, Error **errp)
 
 void audio_parse_option(const char *opt)
 {
-    AudiodevListEntry *e;
     Audiodev *dev = NULL;
 
     Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal);
     visit_type_Audiodev(v, NULL, &dev, &error_fatal);
     visit_free(v);
 
+    audio_define(dev);
+}
+
+void audio_define(Audiodev *dev)
+{
+    AudiodevListEntry *e;
+
     audio_validate_opts(dev, &error_fatal);
 
     e = g_new0(AudiodevListEntry, 1);
diff --git a/audio/audio.h b/audio/audio.h
index 3d5ecdecd5..b5e17cd218 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -168,6 +168,7 @@ void audio_sample_to_uint64(const void *samples, int pos,
 void audio_sample_from_uint64(void *samples, int pos,
                             uint64_t left, uint64_t right);
 
+void audio_define(Audiodev *audio);
 void audio_parse_option(const char *opt);
 void audio_init_audiodevs(void);
 void audio_legacy_help(void);