Add stub PulseAudio handling code, replace old usage with new read thread.

src/protocols/vnc/Makefile.am

@@ -55,8 +55,8 @@ noinst_HEADERS =    \
 
 # Optional PulseAudio support
 if ENABLE_PULSE
-libguac_client_vnc_la_SOURCES += pa_handlers.c
-noinst_HEADERS += pa_handlers.h
+libguac_client_vnc_la_SOURCES += pulse.c
+noinst_HEADERS += pulse.h
 endif
 
 libguac_client_vnc_la_LDFLAGS = -version-info 0:0:0 @VNC_LIBS@ @CAIRO_LIBS@ @PULSE_LIBS@

src/protocols/vnc/client.c

@@ -51,7 +51,7 @@
 #include "guac_handlers.h"
 
 #ifdef ENABLE_PULSE
-#include "pa_handlers.h"
+#include "pulse.h"
 #endif
 
 /* Client plugin arguments */
@@ -108,7 +108,7 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
     vnc_guac_client_data* guac_client_data;
 
 #ifdef ENABLE_PULSE    
-    pthread_t pa_read_thread, pa_send_thread;
+    pthread_t pa_read_thread;
 #endif
 
     int read_only;
@@ -182,25 +182,15 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
 
             /* Create a thread to read audio data */
             if (pthread_create(&pa_read_thread, NULL, guac_pa_read_audio,
-                        (void*) guac_client_data)) {
+                        (void*) client)) {
                 guac_protocol_send_error(client->socket,
-                        "Error initializing PulseAudio thread");
+                        "Error initializing PulseAudio read thread");
                 guac_socket_flush(client->socket);
                 return 1;
             }
             
             guac_client_data->audio_read_thread = &pa_read_thread;
             
-            /* Create a thread to send audio data */
-            if (pthread_create(&pa_send_thread, NULL, guac_pa_send_audio,
-                        (void*) guac_client_data)) {
-                guac_protocol_send_error(client->socket,
-                        "Error initializing PulseAudio thread");
-                guac_socket_flush(client->socket);
-                return 1;
-            }
-            
-            guac_client_data->audio_send_thread = &pa_send_thread;
         }
 
         /* Otherwise, audio loading failed */

src/protocols/vnc/client.h

@@ -67,15 +67,10 @@ typedef struct vnc_guac_client_data {
     guac_audio_stream* audio;
     
     /**
-     * Handle to the audio read thread.
+     * PulseAudio read thread.
      */
     pthread_t* audio_read_thread;
     
-    /**
-     * Handle to the audio send thread.
-     */
-    pthread_t* audio_send_thread;
-
 } vnc_guac_client_data;
 
 #endif

src/protocols/vnc/guac_handlers.c

@@ -49,7 +49,7 @@
 #include "convert.h"
 
 #ifdef ENABLE_PULSE
-#include "pa_handlers.h"
+#include "pulse.h"
 #endif
 
 int vnc_guac_client_handle_messages(guac_client* client) {
@@ -132,13 +132,10 @@ int vnc_guac_client_free_handler(guac_client* client) {
 #ifdef ENABLE_PULSE
     if (guac_client_data->audio_enabled) {
     
-        /* Wait for audio read and send threads to join */
+        /* Wait for audio read thread to join */
         if (guac_client_data->audio_read_thread)
             pthread_join(*(guac_client_data->audio_read_thread), NULL);
         
-        if (guac_client_data->audio_send_thread)
-            pthread_join(*(guac_client_data->audio_send_thread), NULL);
-       
     }
 #endif
 

src/protocols/vnc/pulse.c

@@ -0,0 +1,51 @@
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is libguac-client-vnc.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <guacamole/client.h>
+
+void* guac_pa_read_audio(void* data) {
+
+    /* Get client */
+    guac_client* client = (guac_client*) data;
+
+    /* STUB */
+    guac_client_log_info(client, "Streaming audio from PulseAudio");
+
+    return NULL;
+
+}
+

src/protocols/vnc/pulse.h

@@ -0,0 +1,50 @@
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is libguac-client-vnc.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef __GUAC_VNC_PULSE_H
+#define __GUAC_VNC_PULSE_H
+
+/**
+ * Read thread which transfers PCM data read from PulseAudio to the audio
+ * encoder in use.
+ *
+ * @param data Pointer to the active guac_client.
+ */
+void* guac_pa_read_audio(void* data);
+
+#endif
+