Changeset 822 for pjproject/trunk/pjmedia/include/pjmedia/echo.h

Timestamp:

Nov 23, 2006 7:32:13 AM (17 years ago)

Author:

bennylp

Message:

Worked on the AEC. Apply constant delay bufferring for the AEC,
and also consider sound device latency when applying EC. It
sounds like working although it still doesn't perfectly cancel
the echo.

EC is now by default enabled in PJSUA.

File:

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

pjproject/trunk/pjmedia/include/pjmedia/echo.h

@@ -83 +83 @@
  * @param samples_per_frame Number of samples per frame.
  * @param tail_ms           Tail length, miliseconds.
+ * @param latency_ms        Total lacency introduced by playback and 
+ *                          recording device. Set to zero if the latency
+ *                          is not known.
  * @param options           Options. If PJMEDIA_ECHO_SIMPLE is specified,
  *                          then a simple echo suppressor implementation 
@@ -96 +99 @@
                                          unsigned samples_per_frame,
                                          unsigned tail_ms,
+                                         unsigned latency_ms,
                                          unsigned options,
                                          pjmedia_echo_state **p_echo );