add new API function pa_channel_map_compatible()

diff --git a/src/pulse/channelmap.c b/src/pulse/channelmap.c
index 1766e72..7a21998 100644 (file)
--- a/src/pulse/channelmap.c
+++ b/src/pulse/channelmap.c
@@ -560,3 +560,10 @@ int pa_channel_map_valid(const pa_channel_map *map) {
 
     return 1;
 }
+
+int pa_channel_map_compatible(const pa_channel_map *map, const pa_sample_spec *ss) {
+    pa_assert(map);
+    pa_assert(ss);
+
+    return map->channels == ss->channels;
+}

diff --git a/src/pulse/channelmap.h b/src/pulse/channelmap.h
index f9086d1..035f9b1 100644 (file)
--- a/src/pulse/channelmap.h
+++ b/src/pulse/channelmap.h
@@ -214,6 +214,10 @@ int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b) PA_GC
 /** Return non-zero of the specified channel map is considered valid */
 int pa_channel_map_valid(const pa_channel_map *map) PA_GCC_PURE;
 
+/** Return non-zero if the specified channel map is compatible with
+ * the specified sample spec. \since 0.9.12 */
+int pa_channel_map_compatible(const pa_channel_map *map, const pa_sample_spec *ss) PA_GCC_PURE;
+
 PA_C_DECL_END
 
 #endif