Changeset 632

Timestamp:

Jul 27, 2006 10:04:56 PM (17 years ago)

Author:

bennylp

Message:

Added capability in pjsua to add application created media port to pjsua's conference bridge, also capability to use custom sound device in pjsua.

Location:

pjproject/trunk

Files:

• pjsip-apps/src/pjsua/pjsua_app.c (modified) (8 diffs)
• pjsip/include/pjsua-lib/pjsua.h (modified) (2 diffs)
• pjsip/include/pjsua-lib/pjsua_internal.h (modified) (1 diff)
• pjsip/src/pjsua-lib/pjsua_media.c (modified) (3 diffs)

pjproject/trunk/pjsip-apps/src/pjsua/pjsua_app.c

@@ -22 +22 @@
 #define THIS_FILE       "pjsua.c"
 
+//#define STEREO_DEMO
 
 
@@ -55 +56 @@
     unsigned                auto_answer;
     unsigned                duration;
+
+#ifdef STEREO_DEMO
+    pjmedia_snd_port       *snd;
+#endif
+
 } app_config;
 
@@ -61 +67 @@
 static pjsua_call_id    current_call;
 static pj_str_t         uri_arg;
+
+static void stereo_demo();
 
 /*****************************************************************************
@@ -2200 +2208 @@
         return status;
 
+#ifdef STEREO_DEMO
+    stereo_demo();
+#endif
+
     /* Optionally registers WAV file */
     if (app_config.wav_file.slen) {
@@ -2273 +2285 @@
 
     /* Use null sound device? */
+#ifndef STEREO_DEMO
     if (app_config.null_audio) {
         status = pjsua_set_null_snd_dev();
@@ -2278 +2291 @@
             return status;
     }
+#endif
 
     return PJ_SUCCESS;
@@ -2305 +2319 @@
 pj_status_t app_destroy(void)
 {
+#ifdef STEREO_DEMO
+    if (app_config.snd) {
+        pjmedia_snd_port_destroy(app_config.snd);
+        app_config.snd = NULL;
+    }
+#endif
+
     if (app_config.pool) {
         pj_pool_release(app_config.pool);
@@ -2312 +2333 @@
     return pjsua_destroy();
 }
+
+
+#ifdef STEREO_DEMO
+static void stereo_demo()
+{
+    pjmedia_port *conf, *splitter, *ch1;
+    unsigned clock;
+    pj_status_t status;
+
+    /* Disable existing sound device */
+    conf = pjsua_set_no_snd_dev();
+
+    clock = app_config.media_cfg.clock_rate;
+
+    /* Create stereo-mono splitter/combiner */
+    status = pjmedia_splitcomb_create(app_config.pool, 
+                                      clock /* clock rate */,
+                                      2     /* stereo */,
+                                      clock*2*10/1000/* 10ms samples * 2ch */,
+                                      16    /* bits */,
+                                      0     /* options */,
+                                      &splitter);
+    pj_assert(status == PJ_SUCCESS);
+
+    /* Connect channel0 (left channel?) to conference port slot0 */
+    status = pjmedia_splitcomb_set_channel(splitter, 0 /* ch0 */, 
+                                           0 /*options*/,
+                                           conf);
+    pj_assert(status == PJ_SUCCESS);
+
+    /* Create reverse channel for channel1 (right channel?)... */
+    status = pjmedia_splitcomb_create_rev_channel(app_config.pool,
+                                                  splitter,
+                                                  1  /* ch1 */,
+                                                  0  /* options */,
+                                                  &ch1);
+    pj_assert(status == PJ_SUCCESS);
+
+    /* .. and register it to conference bridge (it would be slot1
+     * if there's no other devices connected to the bridge)
+     */
+    status = pjsua_conf_add_port(app_config.pool, ch1, NULL);
+    pj_assert(status == PJ_SUCCESS);
+    
+    /* Create sound device */
+    status = pjmedia_snd_port_create(app_config.pool, -1, -1, 
+                                     clock  /* clock rate */,
+                                     2      /* stereo */,
+                                     clock*2*10/1000 /* 10 ms samples * 2ch */,
+                                     16     /* bits */,
+                                     0, &app_config.snd);
+    pj_assert(status == PJ_SUCCESS);
+
+
+    /* Connect the splitter to the sound device */
+    status = pjmedia_snd_port_connect(app_config.snd, splitter);
+    pj_assert(status == PJ_SUCCESS);
+
+}
+#endif
+

pjproject/trunk/pjsip/include/pjsua-lib/pjsua.h

@@ -2248 +2248 @@
 
 /**
+ * Add arbitrary media port to PJSUA's conference bridge. Application
+ * can use this function to add the media port that it creates. For
+ * media ports that are created by PJSUA-LIB (such as calls, file player,
+ * or file recorder), PJSUA-LIB will automatically add the port to
+ * the bridge.
+ *
+ * @param pool          Pool to use.
+ * @param port          Media port to be added to the bridge.
+ * @param p_id          Optional pointer to receive the conference 
+ *                      slot id.
+ *
+ * @return              PJ_SUCCESS on success, or the appropriate error code.
+ */
+PJ_DECL(pj_status_t) pjsua_conf_add_port(pj_pool_t *pool,
+                                         pjmedia_port *port,
+                                         pjsua_conf_port_id *p_id);
+
+
+/**
+ * Remove arbitrary slot from the conference bridge. Application should only
+ * call this function if it registered the port manually.
+ *
+ * @param id            The slot id of the port to be removed.
+ *
+ * @return              PJ_SUCCESS on success, or the appropriate error code.
+ */
+PJ_DECL(pj_status_t) pjsua_conf_remove_port(pjsua_conf_port_id id);
+
+
+/**
  * Establish unidirectional media flow from souce to sink. One source
  * may transmit to multiple destinations/sink. And if multiple
@@ -2425 +2455 @@
 
 
+/**
+ * Disconnect the main conference bridge from any sound devices, and let
+ * application connect the bridge to it's own sound device/master port.
+ *
+ * @return              The port interface of the conference bridge, 
+ *                      so that application can connect this to it's own
+ *                      sound device or master port.
+ */
+PJ_DECL(pjmedia_port*) pjsua_set_no_snd_dev(void);
+
+
 /*****************************************************************************
  * Codecs.

pjproject/trunk/pjsip/include/pjsua-lib/pjsua_internal.h

@@ -205 +205 @@
     int                  cap_dev;   /**< Capture device ID.             */
     int                  play_dev;  /**< Playback device ID.            */
+    pj_bool_t            no_snd;    /**< No sound (app will manage it)  */
     pjmedia_snd_port    *snd_port;  /**< Sound port.                    */
     pjmedia_master_port *null_snd;  /**< Master port for null sound.    */

pjproject/trunk/pjsip/src/pjsua-lib/pjsua_media.c

@@ -340 +340 @@
 
     /* Create sound port if none is created yet */
-    if (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL) {
+    if (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL && 
+        !pjsua_var.no_snd) 
+    {
         status = pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev);
         if (status != PJ_SUCCESS) {
@@ -572 +574 @@
 
 /*
+ * Add arbitrary media port to PJSUA's conference bridge.
+ */
+PJ_DEF(pj_status_t) pjsua_conf_add_port( pj_pool_t *pool,
+                                         pjmedia_port *port,
+                                         pjsua_conf_port_id *p_id)
+{
+    pj_status_t status;
+
+    status = pjmedia_conf_add_port(pjsua_var.mconf, pool,
+                                   port, NULL, (unsigned*)p_id);
+    if (status != PJ_SUCCESS) {
+        if (p_id)
+            *p_id = PJSUA_INVALID_ID;
+    }
+
+    return status;
+}
+
+
+/*
+ * Remove arbitrary slot from the conference bridge.
+ */
+PJ_DEF(pj_status_t) pjsua_conf_remove_port(pjsua_conf_port_id id)
+{
+    return pjmedia_conf_remove_port(pjsua_var.mconf, (unsigned)id);
+}
+
+
+/*
  * Establish unidirectional media flow from souce to sink. 
  */
@@ -963 +994 @@
 
 
+
+/*
+ * Use no device!
+ */
+PJ_DEF(pjmedia_port*) pjsua_set_no_snd_dev(void)
+{
+    /* Close existing sound device */
+    close_snd_dev();
+
+    pjsua_var.no_snd = PJ_TRUE;
+    return pjmedia_conf_get_master_port(pjsua_var.mconf);
+}
+
+
+
 /*****************************************************************************
  * Codecs.