Changeset 1833 for pjproject/trunk/pjmedia/include/pjmedia/delaybuf.h

Timestamp:

Feb 29, 2008 5:19:42 PM (16 years ago)

Author:

bennylp

Message:

Ticket #438: Workaround for frame bursts from audio devices: added wsola in delaybuf, and put delaybuf in the bridge

File:

• pjproject/trunk/pjmedia/include/pjmedia/delaybuf.h (modified) (3 diffs)

pjproject/trunk/pjmedia/include/pjmedia/delaybuf.h

@@ -67 +67 @@
  * @param name              Optional name for the buffer for log 
  *                          identification.
+ * @param clock_rate        Number of samples processed per second.
  * @param samples_per_frame Number of samples per frame.
- * @param max_cnt           Maximum number of delay to be accommodated,
+ * @param max_frames        Maximum number of delay to be accommodated,
  *                          in number of frames.
  * @param delay             The delay to be applied, in number of frames.
- *                          If the value is -1, the delay buffer will
+ *                          If the value is -1 or 0, the delay buffer will
  *                          learn about the delay automatically. If
  *                          the value is greater than zero, then this
  *                          value will be used and no learning will be
  *                          performed.
+ * @param option            Option flags, must be zero for now.
  * @param p_b               Pointer to receive the delay buffer instance.
  *
@@ -84 +86 @@
 PJ_DECL(pj_status_t) pjmedia_delay_buf_create(pj_pool_t *pool,
                                               const char *name,
+                                              unsigned clock_rate,
                                               unsigned samples_per_frame,
-                                              unsigned max_cnt,
+                                              unsigned max_frames,
                                               int delay,
+                                              unsigned options,
                                               pjmedia_delay_buf **p_b);
 
@@ -132 +136 @@
 PJ_DECL(pj_status_t) pjmedia_delay_buf_learn(pjmedia_delay_buf *b);
 
+/**
+ * Reset delay buffer. This will clear the buffer's content. But keep
+ * the learning result.
+ *
+ * @param b                 The delay buffer.
+ *
+ * @return                  PJ_SUCCESS on success or the appropriate error.
+ */
+PJ_DECL(pj_status_t) pjmedia_delay_buf_reset(pjmedia_delay_buf *b);
+
+/**
+ * Destroy delay buffer.
+ *
+ * @param b         Delay buffer session.
+ *
+ * @return          PJ_SUCCESS normally.
+ */
+PJ_DECL(pj_status_t) pjmedia_delay_buf_destroy(pjmedia_delay_buf *b);
+
 
 PJ_END_DECL