unify double inclusion defines src/sound-theme-spec.h src/read-wav.h src/read-vorbis.h src/proplist.h src/mutex.h src/llist.h src/common.h

git-svn-id: file:///home/lennart/svn/public/libcanberra/trunk@52 01b60673-d06a-42c0-afdd-89cb8e0f78ac

1 files changed, 10 insertions, 0 deletions

diff --git a/src/read-sound-file.c b/src/read-sound-file.c
index 3a1f93c..b3a369f 100644
--- a/src/read-sound-file.c
+++ b/src/read-sound-file.c
@@ -196,3 +196,13 @@ size_t ca_sound_file_get_size(ca_sound_file *f) {
     else
         return ca_vorbis_get_size(f->vorbis);
 }
+
+size_t ca_sound_file_frame_size(ca_sound_file *f) {
+    unsigned c;
+
+    ca_assert(f);
+
+    c = ca_sound_file_get_nchannels(f);
+
+    return c * (ca_sound_file_get_sample_type(f) == CA_SAMPLE_U8 ? 1 : 2);
+}