chansrv: work on pulse sink

sesman/chansrv/pulse/module-xrdp-sink.c

@@ -109,14 +109,18 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data,
 
     struct userdata *u = PA_SINK(o)->userdata;
     pa_usec_t now;
+    long lat;
 
-    //pa_log("sink_process_msg: code %d", code);
+    pa_log("sink_process_msg: code %d", code);
 
     switch (code) {
-        case PA_SINK_MESSAGE_SET_STATE:
+        case PA_SINK_MESSAGE_SET_STATE: /* 9 */
 
-            if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING) {
+            if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING) /* 0 */ {
+                pa_log("sink_process_msg: running");
                 u->timestamp = pa_rtclock_now();
+            } else {
+                pa_log("sink_process_msg: not running");
             }
 
             break;
@@ -124,7 +128,9 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data,
         case PA_SINK_MESSAGE_GET_LATENCY:
 
             now = pa_rtclock_now();
-            *((pa_usec_t*) data) = u->timestamp > now ? u->timestamp - now : 0ULL;
+            lat = u->timestamp > now ? u->timestamp - now : 0ULL;
+            pa_log("sink_process_msg: lat %ld", lat);
+            *((pa_usec_t*) data) = lat;
 
             return 0;
     }
@@ -300,12 +306,47 @@ static int data_send(struct userdata *u) {
 
 static void process_render(struct userdata *u, pa_usec_t now) {
 
+    pa_memchunk chunk;
+    int request_bytes;
+    int index;
+    size_t ate = 0;
+
+    pa_assert(u);
+
+    /* This is the configured latency. Sink inputs connected to us
+    might not have a single frame more than the maxrequest value
+    queed. Hence: at maximum read this many bytes from the sink
+    inputs. */
+
+    index = 0;
+    /* Fill the buffer up the the latency size */
+    while (u->timestamp < now + u->block_usec) {
+
+        request_bytes = u->sink->thread_info.max_request;
+        request_bytes = MIN(request_bytes, 8192);
+        pa_sink_render(u->sink, request_bytes, &chunk);
+        index++;
+        pa_log("bytes %d index %d", chunk.length, index);
+        pa_memblock_unref(chunk.memblock);
+
+/*         pa_log_debug("Ate %lu bytes.", (unsigned long) chunk.length); */
+        u->timestamp += pa_bytes_to_usec(chunk.length, &u->sink->sample_spec);
+
+        ate += chunk.length;
+
+        //if (ate >= u->sink->thread_info.max_request)
+        //    break;
+    }
+
+/*     pa_log_debug("Ate in sum %lu bytes (of %lu)", (unsigned long) ate, (unsigned long) nbytes); */
+
+
     //pa_log("%d", u->memchunk.length);
 
     //pa_log("a");
 
     //if (u->memchunk.length <= 0)
-        pa_sink_render(u->sink, 8192, &u->memchunk);
+    //    pa_sink_render(u->sink, 8192, &u->memchunk);
 
     //pa_log("b");
     //data_send(u);
@@ -314,7 +355,10 @@ static void process_render(struct userdata *u, pa_usec_t now) {
 }
 
 static void thread_func(void *userdata) {
+
     struct userdata *u = userdata;
+    int ret;
+    pa_usec_t now;
 
     pa_assert(u);
 
@@ -325,40 +369,44 @@ static void thread_func(void *userdata) {
     u->timestamp = pa_rtclock_now();
 
     for (;;) {
-        int ret;
 
-        /* Render some data and drop it immediately */
-        if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
-            pa_usec_t now;
+        if (u->sink->thread_info.state == PA_SINK_RUNNING) {
 
             now = pa_rtclock_now();
 
             if (u->sink->thread_info.rewind_requested) {
-                if (u->sink->thread_info.rewind_nbytes > 0)
+                if (u->sink->thread_info.rewind_nbytes > 0) {
                     process_rewind(u, now);
-                else
+                } else {
                     pa_sink_process_rewind(u->sink, 0);
                 }
+            }
 
-            if (u->timestamp <= now)
+            if (u->timestamp <= now) {
                 process_render(u, now);
+            }
 
             pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp);
-        } else
+
+        } else {
             pa_rtpoll_set_timer_disabled(u->rtpoll);
+        }
 
-        /* Hmm, nothing to do. Let's sleep */
-        if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
+        if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) {
             goto fail;
+        }
 
-        if (ret == 0)
+        if (ret == 0) {
             goto finish;
         }
+    }
 
 fail:
     /* If this was no regular exit from the loop we have to continue
      * processing messages until we received PA_MESSAGE_SHUTDOWN */
-    pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
+    pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core),
+                      PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0,
+                      NULL, NULL);
     pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
 
 finish:
@@ -430,8 +478,12 @@ int pa__init(pa_module*m) {
 
     pa_memchunk_reset(&u->memchunk);
 
-#if defined(PA_CHECK_VERSION) && (PA_CHECK_VERSION(0, 9, 22))
+#if defined(PA_CHECK_VERSION)
+#if PA_CHECK_VERSION(0, 9, 22)
     if (!(u->thread = pa_thread_new("xrdp-sink", thread_func, u))) {
+#else
+    if (!(u->thread = pa_thread_new(thread_func, u))) {
+#endif
 #else
     if (!(u->thread = pa_thread_new(thread_func, u))) {
 #endif