X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=time.c;h=0ebc6ec0c8f3f10e66f77ffe18d0f8fe05d7210a;hp=b7155cb0566dc9f04de83d4056338c199135da06;hb=dded41e5bed40cca8876e1056351cc1dbab309d0;hpb=c8862b9e246b4ef6ff1fe103946e18cf2537ecde

diff --git a/time.c b/time.c
index b7155cb0..0ebc6ec0 100644
--- a/time.c
+++ b/time.c
@@ -169,3 +169,23 @@ int tv_convex_combination(const long a, const struct timeval *tv1,
 			ret = -ret;
 	return ret;
 }
+
+/**
+ * Compute when to send a chunk of an audio file.
+ *
+ * \param chunk_num The number of the chunk.
+ * \param chunk_tv The duration of one chunk.
+ * \param stream_start When the first chunk was sent.
+ * \param result The time when to send chunk number \a chunk_num.
+ *
+ * This function computes stream_start + chunk_num * chunk_time.
+ */
+void compute_chunk_time(long unsigned chunk_num,
+		struct timeval *chunk_tv, struct timeval *stream_start,
+		struct timeval *result)
+{
+	struct timeval tmp;
+
+	tv_scale(chunk_num, chunk_tv, &tmp);
+	tv_add(&tmp, stream_start, result);
+}