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-rw-r--r--src/output/winmm_output_plugin.c41
1 files changed, 29 insertions, 12 deletions
diff --git a/src/output/winmm_output_plugin.c b/src/output/winmm_output_plugin.c
index 66e693dd4..47d98498f 100644
--- a/src/output/winmm_output_plugin.c
+++ b/src/output/winmm_output_plugin.c
@@ -74,33 +74,45 @@ winmm_output_test_default_device(void)
return waveOutGetNumDevs() > 0;
}
-static UINT
-get_device_id(const char *device_name)
+static bool
+get_device_id(const char *device_name, UINT *device_id, GError **error_r)
{
/* if device is not specified use wave mapper */
- if (device_name == NULL)
- return WAVE_MAPPER;
+ if (device_name == NULL) {
+ *device_id = WAVE_MAPPER;
+ return true;
+ }
+
+ UINT numdevs = waveOutGetNumDevs();
/* check for device id */
char *endptr;
UINT id = strtoul(device_name, &endptr, 0);
- if (endptr > device_name && *endptr == 0)
- return id;
+ if (endptr > device_name && *endptr == 0) {
+ if (id >= numdevs)
+ goto fail;
+ *device_id = id;
+ return true;
+ }
/* check for device name */
- for (UINT i = 0; i < waveOutGetNumDevs(); i++) {
+ for (UINT i = 0; i < numdevs; i++) {
WAVEOUTCAPS caps;
MMRESULT result = waveOutGetDevCaps(i, &caps, sizeof(caps));
if (result != MMSYSERR_NOERROR)
continue;
/* szPname is only 32 chars long, so it is often truncated.
Use partial match to work around this. */
- if (strstr(device_name, caps.szPname) == device_name)
- return i;
+ if (strstr(device_name, caps.szPname) == device_name) {
+ *device_id = i;
+ return true;
+ }
}
- /* fallback to wave mapper */
- return WAVE_MAPPER;
+fail:
+ g_set_error(error_r, winmm_output_quark(), 0,
+ "device \"%s\" is not found", device_name);
+ return false;
}
static struct audio_output *
@@ -113,7 +125,12 @@ winmm_output_init(const struct config_param *param, GError **error_r)
}
const char *device = config_get_block_string(param, "device", NULL);
- wo->device_id = get_device_id(device);
+ if (!get_device_id(device, &wo->device_id, error_r)) {
+ ao_base_finish(&wo->base);
+ g_free(wo);
+ return NULL;
+ }
+
return &wo->base;
}