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authorDenis Krjuchkov <denis@crazydev.net>2011-10-23 12:59:31 +0600
committerMax Kellermann <max@duempel.org>2011-12-13 19:12:33 +0100
commit33232face9e864618b5125b9dd83ee760f1116e4 (patch)
treefb61c9383e080514576ecd99a70bfa96d338f95a /src/output/winmm_output_plugin.c
parentb88b2b3d79159c3468a579afdbdc3d1f28494faa (diff)
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winmm_output_plugin: fail if wrong device specified instead of using fallback.
Silently choosing default is misleading and can cause hours of investigation. It's better to fail immediately telling user what is wrong with config.
Diffstat (limited to '')
-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;
}