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audio/coreaudio.c: Use new-in-OSX-10.6 API for getting default voice

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If we're building for OSX 10.6 or better, use the new API
AudioObjectGetPropertyData for getting the default voice.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1448747724-15572-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Peter Maydell 2015-11-28 21:55:21 +00:00 committed by Gerd Hoffmann
parent 88a0f8300b
commit 624d1fc30f
1 changed files with 27 additions and 0 deletions
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27
audio/coreaudio.c
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@ -32,6 +32,10 @@
#define AUDIO_CAP "coreaudio"
#include "audio_int.h"
#ifndef MAC_OS_X_VERSION_10_6
#define MAC_OS_X_VERSION_10_6 1060
#endif
static int isAtexit;
typedef struct {
@ -50,6 +54,28 @@ typedef struct coreaudioVoiceOut {
int rpos;
} coreaudioVoiceOut;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
/* The APIs used here only become available from 10.6 */
static OSStatus coreaudio_get_voice(AudioDeviceID *id)
{
UInt32 size = sizeof(*id);
AudioObjectPropertyAddress addr = {
kAudioHardwarePropertyDefaultOutputDevice,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
return AudioObjectGetPropertyData(kAudioObjectSystemObject,
&addr,
0,
NULL,
&size,
id);
}
#else
/* Legacy versions of functions using deprecated APIs */
static OSStatus coreaudio_get_voice(AudioDeviceID *id)
{
UInt32 size = sizeof(*id);
@ -59,6 +85,7 @@ static OSStatus coreaudio_get_voice(AudioDeviceID *id)
&size,
id);
}
#endif
static void coreaudio_logstatus (OSStatus status)
{