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-rw-r--r--audio/out/ao_coreaudio_utils.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/audio/out/ao_coreaudio_utils.c b/audio/out/ao_coreaudio_utils.c
index b073cd6d8a..8d85842dfd 100644
--- a/audio/out/ao_coreaudio_utils.c
+++ b/audio/out/ao_coreaudio_utils.c
@@ -28,6 +28,16 @@
#include "osdep/endian.h"
#include "audio/format.h"
+static bool ca_is_output_device(struct ao *ao, AudioDeviceID dev)
+{
+ size_t n_buffers;
+ AudioBufferList *buffers;
+ const ca_scope scope = kAudioDevicePropertyStreamConfiguration;
+ CA_GET_ARY_O(dev, scope, &buffers, &n_buffers);
+ talloc_free(buffers);
+ return n_buffers > 0;
+}
+
void ca_get_device_list(struct ao *ao, struct ao_device_list *list)
{
AudioDeviceID *devs;
@@ -37,6 +47,8 @@ void ca_get_device_list(struct ao *ao, struct ao_device_list *list)
&devs, &n_devs);
CHECK_CA_ERROR("Failed to get list of output devices.");
for (int i = 0; i < n_devs; i++) {
+ if (!ca_is_output_device(ao, devs[i]))
+ continue;
char name[32];
char *desc;
sprintf(name, "%d", devs[i]);