Changeset 4610 for pjproject/trunk/pjsip/src/pjsua-lib/pjsua_core.c

Timestamp:

Oct 3, 2013 10:26:14 AM (11 years ago)

Author:

ming

Message:

Re #1697: Add device info in pj_get_sys_info() and set default clock rate for iPhone 5 running iOS7 to 44100Hz

File:

• pjproject/trunk/pjsip/src/pjsua-lib/pjsua_core.c (modified) (1 diff)

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

@@ -310 +310 @@
 PJ_DEF(void) pjsua_media_config_default(pjsua_media_config *cfg)
 {
+    const pj_sys_info *si = pj_get_sys_info();
+    pj_str_t dev_model = {"iPhone5", 7};
+    
     pj_bzero(cfg, sizeof(*cfg));
 
     cfg->clock_rate = PJSUA_DEFAULT_CLOCK_RATE;
-    cfg->snd_clock_rate = 0;
+    /* It is reported that there may be some media server resampling problem
+     * with iPhone 5 devices running iOS 7, so we set the sound device's
+     * clock rate to 44100 to avoid resampling.
+     */
+    if (pj_stristr(&si->machine, &dev_model) &&
+        ((si->os_ver & 0xFF000000) >> 24) >= 7)
+    {
+        cfg->snd_clock_rate = 44100;
+    } else {
+        cfg->snd_clock_rate = 0;
+    }
     cfg->channel_count = 1;
     cfg->audio_frame_ptime = PJSUA_DEFAULT_AUDIO_FRAME_PTIME;