Changeset 506 for pjproject/trunk/pjmedia/include/pjmedia/types.h

Timestamp:

Jun 14, 2006 8:04:04 PM (18 years ago)

Author:

bennylp

Message:

Standardise clearing and copying frame with pjmedia_zero_samples() and pjmedia_copy_samples()

File:

• pjproject/trunk/pjmedia/include/pjmedia/types.h (modified) (2 diffs)

pjproject/trunk/pjmedia/include/pjmedia/types.h

@@ -116 +116 @@
 /**
  * This is a general purpose function set PCM samples to zero.
- * Since this function is needed by many parts of the library, it is important
- * that the library should select the best performance for this.
+ * Since this function is needed by many parts of the library, 
+ * by putting this functionality in one place, it enables some.
+ * clever people to optimize this function.
  *
  * @param samples       The 16bit PCM samples.
@@ -130 +131 @@
 
 
+/**
+ * This is a general purpose function to copy samples from/to buffers with
+ * equal size. Since this function is needed by many parts of the library, 
+ * by putting this functionality in one place, it enables some.
+ * clever people to optimize this function.
+ */
+PJ_INLINE(void) pjmedia_copy_samples(pj_int16_t *dst, const pj_int16_t *src,
+                                     unsigned count)
+{
+    unsigned i;
+    for (i=0; i<count; ++i)
+        dst[i] = src[i];
+}
+
+
 #endif  /* __PJMEDIA_TYPES_H__ */