#define PA_VOLUME_MUTED ((pa_volume_t) 0U)
/** Maximum valid volume we can store. \since 0.9.15 */
-#define PA_VOLUME_MAX ((pa_volume_t) UINT32_MAX-1)
+#define PA_VOLUME_MAX ((pa_volume_t) UINT32_MAX/2)
+
+/** Recommended maximum volume to show in user facing UIs.
+ * Note: UIs should deal gracefully with volumes greater than this value
+ * and not cause feedback loops etc. - i.e. if the volume is more than
+ * this, the UI should not limit it and push the limited value back to
+ * the server. \since 0.9.23 */
+#define PA_VOLUME_UI_MAX (pa_sw_volume_from_dB(+11.0))
/** Special 'invalid' volume. \since 0.9.16 */
#define PA_VOLUME_INVALID ((pa_volume_t) UINT32_MAX)
-/** Check if volume is valid. \since 0.9.22 */
+/** Check if volume is valid. \since 1.0 */
#define PA_VOLUME_IS_VALID(v) ((v) <= PA_VOLUME_MAX)
-/** Clamp volume to the permitted range. \since 0.9.22 */
+/** Clamp volume to the permitted range. \since 1.0 */
#define PA_CLAMP_VOLUME(v) (PA_CLAMP_UNLIKELY((v), PA_VOLUME_MUTED, PA_VOLUME_MAX))
/** A structure encapsulating a per-channel volume */
typedef struct pa_cvolume {
uint8_t channels; /**< Number of channels */
- pa_volume_t values[PA_CHANNELS_MAX]; /**< Per-channel volume */
+ pa_volume_t values[PA_CHANNELS_MAX]; /**< Per-channel volume */
} pa_cvolume;
/** Return non-zero when *a == *b */