From 73b074d602993c5e6c9610f33846a4f01a2f3cfe Mon Sep 17 00:00:00 2001
From: Jay Sorg <jay.sorg@gmail.com>
Date: Sun, 31 Mar 2013 18:06:33 -0700
Subject: chansrv: work on pulse sink

---
 sesman/chansrv/chansrv.c                | 10 ++++++++--
 sesman/chansrv/pulse/module-xrdp-sink.c | 14 ++++----------
 sesman/chansrv/pulse/pulse-notes.txt    | 29 +++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/sesman/chansrv/chansrv.c b/sesman/chansrv/chansrv.c
index 74e2db4a..0f7ff042 100644
--- a/sesman/chansrv/chansrv.c
+++ b/sesman/chansrv/chansrv.c
@@ -1,7 +1,7 @@
 /**
  * xrdp: A Remote Desktop Protocol server.
  *
- * Copyright (C) Jay Sorg 2009-2012
+ * Copyright (C) Jay Sorg 2009-2013
  * Copyright (C) Laxmikant Rashinkar 2009-2012
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -45,6 +45,7 @@ static int g_rdpsnd_index = -1;
 static int g_rdpdr_index = -1;
 static int g_rail_index = -1;
 static int g_drdynvc_index = -1;
+static int g_sent = 0; /* if sent data to xrdp, waiting response */
 
 /* state info for dynamic virtual channels */
 static struct xrdp_api_data *g_dvc_channels[MAX_DVC_CHANNELS];
@@ -149,6 +150,7 @@ send_data_from_chan_item(struct chan_item *chan_item)
     s_mark_end(s);
     LOGM((LOG_LEVEL_DEBUG, "chansrv::send_channel_data: -- "
           "size %d chan_flags 0x%8.8x", size, chan_flags));
+    g_sent = 1;
     error = trans_force_write(g_con_trans);
 
     if (error != 0)
@@ -214,7 +216,10 @@ send_channel_data(int chan_id, char *data, int size)
         if (g_chan_items[index].id == chan_id)
         {
             add_data_to_chan_item(g_chan_items + index, data, size);
-            check_chan_items();
+            if (g_sent == 0)
+            {
+                check_chan_items();
+            }
             return 0;
         }
     }
@@ -478,6 +483,7 @@ static int APP_CC
 process_message_channel_data_response(struct stream *s)
 {
     LOG(10, ("process_message_channel_data_response:"));
+    g_sent = 0;
     check_chan_items();
     return 0;
 }
diff --git a/sesman/chansrv/pulse/module-xrdp-sink.c b/sesman/chansrv/pulse/module-xrdp-sink.c
index 017d757e..92f4b674 100644
--- a/sesman/chansrv/pulse/module-xrdp-sink.c
+++ b/sesman/chansrv/pulse/module-xrdp-sink.c
@@ -262,7 +262,6 @@ static int data_send(struct userdata *u, pa_memchunk *chunk) {
     char *data;
     int bytes;
     int sent;
-    int display_num;
     int fd;
     struct header h;
     struct sockaddr_un s;
@@ -276,9 +275,8 @@ static int data_send(struct userdata *u, pa_memchunk *chunk) {
         fd = socket(PF_LOCAL, SOCK_STREAM, 0);
         memset(&s, 0, sizeof(s));
         s.sun_family = AF_UNIX;
-        display_num = get_display_num_from_display(getenv("DISPLAY"));
         bytes = sizeof(s.sun_path) - 1;
-        snprintf(s.sun_path, bytes, CHANSRV_PORT_STR, display_num);
+        snprintf(s.sun_path, bytes, CHANSRV_PORT_STR, u->display_num);
         pa_log("trying to conenct to %s", s.sun_path);
         if (connect(fd, (struct sockaddr *)&s,
                     sizeof(struct sockaddr_un)) != 0) {
@@ -296,15 +294,11 @@ static int data_send(struct userdata *u, pa_memchunk *chunk) {
     //pa_log("bytes %d", bytes);
 
     /* from rewind */
-    if (u->skip_bytes > 0)
-    {
-        if (bytes > u->skip_bytes)
-        {
+    if (u->skip_bytes > 0) {
+        if (bytes > u->skip_bytes) {
             bytes -= u->skip_bytes;
             u->skip_bytes = 0;
-        }
-        else
-        {
+        } else  {
             u->skip_bytes -= bytes;
             return bytes;
         }
diff --git a/sesman/chansrv/pulse/pulse-notes.txt b/sesman/chansrv/pulse/pulse-notes.txt
index 4a4b7273..e99b3ec5 100644
--- a/sesman/chansrv/pulse/pulse-notes.txt
+++ b/sesman/chansrv/pulse/pulse-notes.txt
@@ -25,3 +25,32 @@ autospawn = no
 daemon-binary = /bin/true
 
 xfreerdp -a 24 -z --plugin rdpsnd --data alsa:hw:0,0 -- 127.0.0.1
+
+
+to get ./configure on pulse source to run
+apt-get install libsndfile1-dev
+apt-get install libspeex-dev
+apt-get install libspeexdsp-dev
+
+alsamixer
+apt-get install alsa-utils
+
+/etc/asound.conf
+---------------------------------
+pcm.pulse {
+    type pulse
+}
+
+ctl.pulse {
+    type pulse
+}
+
+pcm.!default {
+    type pulse
+}
+
+ctl.!default {
+    type pulse
+}
+---------------------------------
+
-- 
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