Changeset 371 for pjproject/trunk/pjsip-apps/src/samples/sndinfo.c

Timestamp:

Apr 3, 2006 9:43:36 AM (18 years ago)

Author:

bennylp

Message:

Added DirectSound? sound implementation

File:

• pjproject/trunk/pjsip-apps/src/samples/sndinfo.c (modified) (4 diffs)

pjproject/trunk/pjsip-apps/src/samples/sndinfo.c

@@ -76 +76 @@
 static int play_counter;
 static int rec_counter;
+static int min_delay = 0xFFFF, max_delay;
+static char play_delays[1000];
 
 static pj_status_t play_cb(void *user_data, pj_uint32_t timestamp,
                            void *output, unsigned size)
 {
+    static pj_time_val last_cb;
+
     ++play_counter;
+
+    if (last_cb.sec == 0 && last_cb.msec == 0) {
+        pj_gettimeofday(&last_cb);
+    } else {
+        pj_time_val now, saved;
+        int delay;
+
+        pj_gettimeofday(&now);
+        saved = now;
+        PJ_TIME_VAL_SUB(now, last_cb);
+        delay = PJ_TIME_VAL_MSEC(now);
+
+        if (delay < min_delay)
+            min_delay = delay;
+        if (delay > max_delay)
+            max_delay = delay;
+
+        last_cb = saved;
+
+        play_delays[play_counter-1] = delay;
+    }
+
     return PJ_SUCCESS;
 }
@@ -99 +125 @@
             title, errmsg, status);
 }
-                
+
 static int open_device(int dev_id, pjmedia_dir dir,
                        int clock_rate, int nchannel, int bits)
@@ -107 +133 @@
     pjmedia_snd_stream *strm;
     const char *dirtype;
+    unsigned i;
 
     switch (dir) {
@@ -166 +193 @@
 
     puts("Success.");
+
+    printf("Delay: ");
+    for (i=0; i<play_counter; ++i)
+        printf("%d ", play_delays[i]);
+
+    puts("");
+    if (dir & PJMEDIA_DIR_PLAYBACK) {
+        printf("Callback interval: min interval=%d ms, max interval=%d ms\n",
+               min_delay, max_delay);
+    }
+    
+
     return 0;
 }