Changeset 3402 for pjproject/branches/projects/2.0-dev/pjmedia/include/pjmedia/port.h

Timestamp:

Dec 30, 2010 4:31:16 PM (13 years ago)

Author:

ming

Message:

Re #1184: Adding pjmedia_clock_src for the purpose of audio and video synchronization and also to provide synchronization mechanism between two medias in general.

File:

• pjproject/branches/projects/2.0-dev/pjmedia/include/pjmedia/port.h (modified) (4 diffs)

pjproject/branches/projects/2.0-dev/pjmedia/include/pjmedia/port.h

@@ -25 +25 @@
  * @brief Port interface declaration
  */
+#include <pjmedia/clock.h>
 #include <pjmedia/format.h>
 #include <pjmedia/frame.h>
@@ -373 +374 @@
 
     /**
+     * Get clock source.
+     * This should only be called by #pjmedia_port_get_clock_src().
+     */
+    pjmedia_clock_src* (*get_clock_src)(struct pjmedia_port *this_port,
+                                        pjmedia_dir dir);
+
+    /**
      * Sink interface. 
      * This should only be called by #pjmedia_port_put_frame().
@@ -399 +407 @@
  *
  * @param info              The port info to be initialized.
- * @param pool              Pool to allocate memory from.
  * @param name              Port name.
  * @param signature         Port signature.
@@ -437 +444 @@
 
 /**
+ * Get a clock source from the port.
+ *
+ * @param port      The media port.
+ * @param dir       Media port's direction.
+ *
+ * @return          The clock source or NULL if clock source is not present
+ *                  in the port.
+ */
+PJ_DECL(pjmedia_clock_src *) pjmedia_port_get_clock_src( pjmedia_port *port,
+                                                         pjmedia_dir dir );
+
+
+/**
  * Get a frame from the port (and subsequent downstream ports).
  *