Merge remote-tracking branch 'remotes/kraxel/tags/audio-20190821-pull-request' into staging

audio: second batch of -audiodev support, adding support for multiple backends.

# gpg: Signature made Wed 21 Aug 2019 09:40:37 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/audio-20190821-pull-request:
  audio: fix memory leak reported by ASAN
  audio: use size_t where makes sense
  audio: remove read and write pcm_ops
  paaudio: fix playback glitches
  audio: do not run each backend in audio_run
  audio: remove audio_MIN, audio_MAX
  paaudio: properly disconnect streams in fini_*
  paaudio: do not move stream when sink/source name is specified
  audio: audiodev= parameters no longer optional when -audiodev present
  paaudio: prepare for multiple audiodev
  audio: add audiodev properties to frontends
  audio: add audiodev property to vnc and wav_capture
  audio: basic support for multi backend audio
  audio: reduce glob_audio_state usage
  audio: Add missing fall through comments

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 16 insertions, 1 deletions

diff --git a/ui/vnc.c b/ui/vnc.c
index 4812ed2..649ce93 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -1224,7 +1224,7 @@ static void audio_add(VncState *vs)
     ops.destroy = audio_capture_destroy;
     ops.capture = audio_capture;
 
-    vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs);
+    vs->audio_cap = AUD_add_capture(vs->vd->audio_state, &vs->as, &ops, vs);
     if (!vs->audio_cap) {
         error_report("Failed to add audio capture");
     }
@@ -3371,6 +3371,9 @@ static QemuOptsList qemu_vnc_opts = {
         },{
             .name = "non-adaptive",
             .type = QEMU_OPT_BOOL,
+        },{
+            .name = "audiodev",
+            .type = QEMU_OPT_STRING,
         },
         { /* end of list */ }
     },
@@ -3808,6 +3811,7 @@ void vnc_display_open(const char *id, Error **errp)
     const char *saslauthz;
     int lock_key_sync = 1;
     int key_delay_ms;
+    const char *audiodev;
 
     if (!vd) {
         error_setg(errp, "VNC display not active");
@@ -3993,6 +3997,15 @@ void vnc_display_open(const char *id, Error **errp)
     }
     vd->ledstate = 0;
 
+    audiodev = qemu_opt_get(opts, "audiodev");
+    if (audiodev) {
+        vd->audio_state = audio_state_by_name(audiodev);
+        if (!vd->audio_state) {
+            error_setg(errp, "Audiodev '%s' not found", audiodev);
+            goto fail;
+        }
+    }
+
     device_id = qemu_opt_get(opts, "display");
     if (device_id) {
         int head = qemu_opt_get_number(opts, "head", 0);
diff --git a/ui/vnc.h b/ui/vnc.h
index 18f1b1d..8643860 100644
--- a/ui/vnc.h
+++ b/ui/vnc.h
@@ -182,6 +182,8 @@ struct VncDisplay
 #ifdef CONFIG_VNC_SASL
     VncDisplaySASL sasl;
 #endif
+
+    AudioState *audio_state;
 };
 
 typedef struct VncTight {