Conditionally compile audio support.

src/protocols/vnc/Makefile.am

@@ -42,23 +42,30 @@ AM_CFLAGS = -Werror -Wall -pedantic -Iinclude @LIBGUAC_INCLUDE@
 lib_LTLIBRARIES = libguac-client-vnc.la
 
 libguac_client_vnc_la_SOURCES = \
-    src/client.c                \
-    src/vnc_handlers.c          \
-    src/guac_handlers.c         \
-    src/pa_handlers.c           \
-    src/queue.c                 \
-    src/buffer.c                \
-    src/convert.c
+    client.c                    \
+    vnc_handlers.c              \
+    guac_handlers.c             \
+    convert.c
     
-noinst_HEADERS =            \
-    include/client.h        \
-    include/vnc_handlers.h  \
-    include/guac_handlers.h \
-    include/pa_handlers.h   \
-    include/queue.h         \
-    include/buffer.h        \
-    include/convert.h
+noinst_HEADERS =    \
+    client.h        \
+    vnc_handlers.h  \
+    guac_handlers.h \
+    convert.h
 
-libguac_client_vnc_la_LDFLAGS = -version-info 0:0:0 @VNC_LIBS@ @CAIRO_LIBS@
+# Optional PulseAudio support
+if ENABLE_PULSE
+libguac_client_vnc_la_SOURCES += \
+    pa_handlers.c                \
+    queue.c                      \
+    buffer.c
+
+noinst_HEADERS += \
+    pa_handlers.h \
+    queue.h       \
+    buffer.h
+endif
+
+libguac_client_vnc_la_LDFLAGS = -version-info 0:0:0 @VNC_LIBS@ @CAIRO_LIBS@ @PULSE_LIBS@
 libguac_client_vnc_la_LIBADD  = @LIBGUAC_LTLIB@
 

src/protocols/vnc/client.c

@@ -54,7 +54,10 @@
 #include "client.h"
 #include "vnc_handlers.h"
 #include "guac_handlers.h"
+
+#ifdef ENABLE_PULSE
 #include "pa_handlers.h"
+#endif
 
 /* Client plugin arguments */
 const char* GUAC_CLIENT_ARGS[] = {
@@ -65,11 +68,16 @@ const char* GUAC_CLIENT_ARGS[] = {
     "password",
     "swap-red-blue",
     "color-depth",
+
 #ifdef ENABLE_VNC_REPEATER
     "dest-host",
     "dest-port",
 #endif
+
+#ifdef ENABLE_PULSE
     "disable-audio",
+#endif
+
     NULL
 };
 
@@ -82,10 +90,16 @@ enum VNC_ARGS_IDX {
     IDX_PASSWORD,
     IDX_SWAP_RED_BLUE,
     IDX_COLOR_DEPTH,
+
 #ifdef ENABLE_VNC_REPEATER
     IDX_DEST_HOST,
     IDX_DEST_PORT,
 #endif
+
+#ifdef ENABLE_PULSE
+    IDX_DISABLE_AUDIO,
+#endif
+
     VNC_ARGS_COUNT
 };
 
@@ -155,11 +169,12 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
     rfb_client->GetPassword = guac_vnc_get_password;
 
     /* Depth */
-    guac_vnc_set_pixel_format(rfb_client, atoi(argv[6]));
+    guac_vnc_set_pixel_format(rfb_client, atoi(argv[IDX_COLOR_DEPTH]));
 
-    guac_client_data->audio_enabled = (strcmp(argv[7], "true") != 0);
+#ifdef ENABLE_PULSE
+    guac_client_data->audio_enabled = (strcmp(argv[IDX_DISABLE_AUDIO], "true") != 0);
     
-   /* If audio enabled, choose an encoder */
+    /* If audio enabled, choose an encoder */
     if (guac_client_data->audio_enabled) {
  
         /* Choose an encoding */
@@ -217,6 +232,7 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
             guac_client_log_info(client, "No available audio encoding. Sound disabled.");
  
     } /* end if audio enabled */
+#endif
 
     /* Hook into allocation so we can handle resize. */
     guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;

src/protocols/vnc/guac_handlers.c

@@ -47,7 +47,10 @@
 
 #include "client.h"
 #include "convert.h"
+
+#ifdef ENABLE_PULSE
 #include "pa_handlers.h"
+#endif
 
 int vnc_guac_client_handle_messages(guac_client* client) {
 
@@ -126,6 +129,7 @@ int vnc_guac_client_free_handler(guac_client* client) {
     vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data;
     rfbClient* rfb_client = guac_client_data->rfb_client;
 
+#ifdef ENABLE_PULSE
     if (guac_client_data->audio_enabled) {
     
         /* Wait for audio read and send threads to join */
@@ -139,6 +143,7 @@ int vnc_guac_client_free_handler(guac_client* client) {
         if(guac_client_data->audio_buffer)
             guac_pa_buffer_free(guac_client_data->audio_buffer);
     }
+#endif
 
     /* Free encodings string, if used */
     if (guac_client_data->encodings != NULL)