audio/coreaudio.c: Factor out uses of AudioDeviceGet/SetProperty

The CoreAudio APIs AudioDeviceGetProperty and AudioDeviceSetProperty are
deprecated from OSX 10.6, so factor out our calls to them so we can
provide versions which use the replacement APIs on OSX newer than 10.5.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1448747724-15572-4-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 94 insertions, 47 deletions

diff --git a/audio/coreaudio.c b/audio/coreaudio.c
index 2211e17998..c7e31eac0f 100644
--- a/audio/coreaudio.c
+++ b/audio/coreaudio.c
@@ -87,6 +87,89 @@ static OSStatus coreaudio_get_voice(AudioDeviceID *id)
 }
 #endif
 
+static OSStatus coreaudio_get_framesizerange(AudioDeviceID id,
+                                             AudioValueRange *framerange)
+{
+    UInt32 size = sizeof(*framerange);
+
+    return AudioDeviceGetProperty(
+        id,
+        0,
+        0,
+        kAudioDevicePropertyBufferFrameSizeRange,
+        &size,
+        framerange);
+}
+
+static OSStatus coreaudio_get_framesize(AudioDeviceID id, UInt32 *framesize)
+{
+    UInt32 size = sizeof(*framesize);
+
+    return AudioDeviceGetProperty(
+        id,
+        0,
+        false,
+        kAudioDevicePropertyBufferFrameSize,
+        &size,
+        framesize);
+}
+
+static OSStatus coreaudio_set_framesize(AudioDeviceID id, UInt32 *framesize)
+{
+    UInt32 size = sizeof(*framesize);
+
+    return AudioDeviceSetProperty(
+        id,
+        NULL,
+        0,
+        false,
+        kAudioDevicePropertyBufferFrameSize,
+        size,
+        framesize);
+}
+
+static OSStatus coreaudio_get_streamformat(AudioDeviceID id,
+                                           AudioStreamBasicDescription *d)
+{
+    UInt32 size = sizeof(*d);
+
+    return AudioDeviceGetProperty(
+        id,
+        0,
+        false,
+        kAudioDevicePropertyStreamFormat,
+        &size,
+        d);
+}
+
+static OSStatus coreaudio_set_streamformat(AudioDeviceID id,
+                                           AudioStreamBasicDescription *d)
+{
+    UInt32 size = sizeof(*d);
+
+    return AudioDeviceSetProperty(
+        id,
+        0,
+        0,
+        0,
+        kAudioDevicePropertyStreamFormat,
+        size,
+        d);
+}
+
+static OSStatus coreaudio_get_isrunning(AudioDeviceID id, UInt32 *result)
+{
+    UInt32 size = sizeof(*result);
+
+    return AudioDeviceGetProperty(
+        id,
+        0,
+        0,
+        kAudioDevicePropertyDeviceIsRunning,
+        &size,
+        result);
+}
+
 static void coreaudio_logstatus (OSStatus status)
 {
     const char *str = "BUG";
@@ -181,10 +264,7 @@ static inline UInt32 isPlaying (AudioDeviceID outputDeviceID)
 {
     OSStatus status;
     UInt32 result = 0;
-    UInt32 propertySize = sizeof(outputDeviceID);
-    status = AudioDeviceGetProperty(
-        outputDeviceID, 0, 0,
-        kAudioDevicePropertyDeviceIsRunning, &propertySize, &result);
+    status = coreaudio_get_isrunning(outputDeviceID, &result);
     if (status != kAudioHardwareNoError) {
         coreaudio_logerr(status,
                          "Could not determine whether Device is playing\n");
@@ -325,7 +405,6 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
 {
     OSStatus status;
     coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
-    UInt32 propertySize;
     int err;
     const char *typ = "playback";
     AudioValueRange frameRange;
@@ -352,14 +431,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
     }
 
     /* get minimum and maximum buffer frame sizes */
-    propertySize = sizeof(frameRange);
-    status = AudioDeviceGetProperty(
-        core->outputDeviceID,
-        0,
-        0,
-        kAudioDevicePropertyBufferFrameSizeRange,
-        &propertySize,
-        &frameRange);
+    status = coreaudio_get_framesizerange(core->outputDeviceID,
+                                          &frameRange);
     if (status != kAudioHardwareNoError) {
         coreaudio_logerr2 (status, typ,
                            "Could not get device buffer frame range\n");
@@ -379,15 +452,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
     }
 
     /* set Buffer Frame Size */
-    propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
-    status = AudioDeviceSetProperty(
-        core->outputDeviceID,
-        NULL,
-        0,
-        false,
-        kAudioDevicePropertyBufferFrameSize,
-        propertySize,
-        &core->audioDevicePropertyBufferFrameSize);
+    status = coreaudio_set_framesize(core->outputDeviceID,
+                                     &core->audioDevicePropertyBufferFrameSize);
     if (status != kAudioHardwareNoError) {
         coreaudio_logerr2 (status, typ,
                            "Could not set device buffer frame size %" PRIu32 "\n",
@@ -396,14 +462,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
     }
 
     /* get Buffer Frame Size */
-    propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
-    status = AudioDeviceGetProperty(
-        core->outputDeviceID,
-        0,
-        false,
-        kAudioDevicePropertyBufferFrameSize,
-        &propertySize,
-        &core->audioDevicePropertyBufferFrameSize);
+    status = coreaudio_get_framesize(core->outputDeviceID,
+                                     &core->audioDevicePropertyBufferFrameSize);
     if (status != kAudioHardwareNoError) {
         coreaudio_logerr2 (status, typ,
                            "Could not get device buffer frame size\n");
@@ -412,14 +472,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
     hw->samples = conf->nbuffers * core->audioDevicePropertyBufferFrameSize;
 
     /* get StreamFormat */
-    propertySize = sizeof(core->outputStreamBasicDescription);
-    status = AudioDeviceGetProperty(
-        core->outputDeviceID,
-        0,
-        false,
-        kAudioDevicePropertyStreamFormat,
-        &propertySize,
-        &core->outputStreamBasicDescription);
+    status = coreaudio_get_streamformat(core->outputDeviceID,
+                                        &core->outputStreamBasicDescription);
     if (status != kAudioHardwareNoError) {
         coreaudio_logerr2 (status, typ,
                            "Could not get Device Stream properties\n");
@@ -429,15 +483,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
 
     /* set Samplerate */
     core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq;
-    propertySize = sizeof(core->outputStreamBasicDescription);
-    status = AudioDeviceSetProperty(
-        core->outputDeviceID,
-        0,
-        0,
-        0,
-        kAudioDevicePropertyStreamFormat,
-        propertySize,
-        &core->outputStreamBasicDescription);
+    status = coreaudio_set_streamformat(core->outputDeviceID,
+                                        &core->outputStreamBasicDescription);
     if (status != kAudioHardwareNoError) {
         coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n",
                            as->freq);