Changeset 1831

Timestamp:

Feb 29, 2008 12:00:46 PM (17 years ago)

Author:

bennylp

Message:

Added pjmedia_wsola_reset()

Location:

pjproject/trunk/pjmedia

Files:

• include/pjmedia/wsola.h (modified) (1 diff)
• src/pjmedia/wsola.c (modified) (1 diff)

pjproject/trunk/pjmedia/include/pjmedia/wsola.h

@@ -100 +100 @@
 
 /**
+ * Reset the buffer contents of WSOLA.
+ *
+ * @param wsola     WSOLA session.
+ * @param options   Reset options, must be zero for now.
+ *
+ * @return          PJ_SUCCESS normally.
+ */
+PJ_DECL(pj_status_t) pjmedia_wsola_reset(pjmedia_wsola *wsola,
+                                         unsigned options);
+
+
+/**
  * Give one good frame to WSOLA to be kept as reference. Application
  * must continuously give WSOLA good frames to keep its session up to

pjproject/trunk/pjmedia/src/pjmedia/wsola.c

@@ -352 +352 @@
     return PJ_SUCCESS;
 }
+
+
+PJ_DEF(pj_status_t) pjmedia_wsola_reset( pjmedia_wsola *wsola,
+                                         unsigned options)
+{
+    PJ_ASSERT_RETURN(wsola && options==0, PJ_EINVAL);
+    PJ_UNUSED_ARG(options);
+
+    pjmedia_zero_samples(wsola->buf, wsola->cur_cnt);
+    wsola->cur_cnt = (pj_uint16_t)(wsola->hist_cnt + 
+                                   wsola->samples_per_frame);
+    return PJ_SUCCESS;
+}
+
 
 static void expand(pjmedia_wsola *wsola, unsigned needed)