decklink: Add audio-input property

sys/decklink/gstdecklink.cpp

@@ -86,6 +86,25 @@ gst_decklink_connection_get_type (void)
   return type;
 }
 
+GType
+gst_decklink_audio_connection_get_type (void)
+{
+  static GType type;
+
+  if (!type) {
+    static const GEnumValue connections[] = {
+      {GST_DECKLINK_AUDIO_CONNECTION_AUTO, "auto", "Automatic"},
+      {GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED, "embedded", "SDI/HDMI embedded audio"},
+      {GST_DECKLINK_AUDIO_CONNECTION_AES_EBU, "aes", "AES/EBU input"},
+      {GST_DECKLINK_AUDIO_CONNECTION_ANALOG, "analog", "Analog input"},
+      {0, NULL, NULL}
+    };
+
+    type = g_enum_register_static ("GstDecklinkAudioConnection", connections);
+  }
+  return type;
+}
+
 #define NTSC 10, 11, false, false
 #define PAL 12, 11, true, false
 #define HD 1, 1, false, true

sys/decklink/gstdecklink.h

@@ -63,6 +63,15 @@ typedef enum {
 #define GST_TYPE_DECKLINK_CONNECTION (gst_decklink_connection_get_type ())
 GType gst_decklink_connection_get_type (void);
 
+typedef enum {
+  GST_DECKLINK_AUDIO_CONNECTION_AUTO,
+  GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED,
+  GST_DECKLINK_AUDIO_CONNECTION_AES_EBU,
+  GST_DECKLINK_AUDIO_CONNECTION_ANALOG
+} GstDecklinkAudioConnectionEnum;
+#define GST_TYPE_DECKLINK_AUDIO_CONNECTION (gst_decklink_audio_connection_get_type ())
+GType gst_decklink_audio_connection_get_type (void);
+
 typedef struct _GstDecklinkMode GstDecklinkMode;
 struct _GstDecklinkMode {
   BMDDisplayMode mode;

sys/decklink/gstdecklinksrc.cpp

@@ -119,7 +119,8 @@ enum
 {
   PROP_0,
   PROP_MODE,
-  PROP_CONNECTION
+  PROP_CONNECTION,
+  PROP_AUDIO_INPUT
 };
 
 /* pad templates */
@@ -191,6 +192,12 @@ gst_decklink_src_class_init (GstDecklinkSrcClass * klass)
           GST_TYPE_DECKLINK_CONNECTION, GST_DECKLINK_CONNECTION_SDI,
           (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
               G_PARAM_CONSTRUCT)));
+
+  g_object_class_install_property (gobject_class, PROP_AUDIO_INPUT,
+      g_param_spec_enum ("audio-input", "Audio Input", "Audio Input Connection",
+          GST_TYPE_DECKLINK_AUDIO_CONNECTION, GST_DECKLINK_AUDIO_CONNECTION_AUTO,
+          (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
+              G_PARAM_CONSTRUCT)));
 }
 
 static void
@@ -267,6 +274,8 @@ gst_decklink_src_init (GstDecklinkSrc * decklinksrc,
 
   decklinksrc->copy_data = TRUE;
   decklinksrc->mode = GST_DECKLINK_MODE_NTSC;
+  decklinksrc->connection = GST_DECKLINK_CONNECTION_SDI;
+  decklinksrc->audio_connection = GST_DECKLINK_AUDIO_CONNECTION_AUTO;
 
 }
 
@@ -287,6 +296,10 @@ gst_decklink_src_set_property (GObject * object, guint property_id,
       decklinksrc->connection =
           (GstDecklinkConnectionEnum) g_value_get_enum (value);
       break;
+    case PROP_AUDIO_INPUT:
+      decklinksrc->audio_connection =
+          (GstDecklinkAudioConnectionEnum) g_value_get_enum (value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -309,6 +322,9 @@ gst_decklink_src_get_property (GObject * object, guint property_id,
     case PROP_CONNECTION:
       g_value_set_enum (value, decklinksrc->connection);
       break;
+    case PROP_AUDIO_INPUT:
+      g_value_set_enum (value, decklinksrc->audio_connection);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -379,6 +395,7 @@ gst_decklink_src_start (GstElement * element)
   const GstDecklinkMode *mode;
   IDeckLinkConfiguration *config;
   BMDVideoConnection conn;
+  BMDAudioConnection aconn;
 
   GST_DEBUG_OBJECT (decklinksrc, "start");
 
@@ -416,21 +433,27 @@ gst_decklink_src_start (GstElement * element)
     default:
     case GST_DECKLINK_CONNECTION_SDI:
       conn = bmdVideoConnectionSDI;
+      aconn = bmdAudioConnectionEmbedded;
       break;
     case GST_DECKLINK_CONNECTION_HDMI:
       conn = bmdVideoConnectionHDMI;
+      aconn = bmdAudioConnectionEmbedded;
       break;
     case GST_DECKLINK_CONNECTION_OPTICAL_SDI:
       conn = bmdVideoConnectionOpticalSDI;
+      aconn = bmdAudioConnectionEmbedded;
       break;
     case GST_DECKLINK_CONNECTION_COMPONENT:
       conn = bmdVideoConnectionComponent;
+      aconn = bmdAudioConnectionAnalog;
       break;
     case GST_DECKLINK_CONNECTION_COMPOSITE:
       conn = bmdVideoConnectionComposite;
+      aconn = bmdAudioConnectionAnalog;
       break;
     case GST_DECKLINK_CONNECTION_SVIDEO:
       conn = bmdVideoConnectionSVideo;
+      aconn = bmdAudioConnectionAnalog;
       break;
   }
 
@@ -449,16 +472,25 @@ gst_decklink_src_start (GstElement * element)
     }
   }
 
-  if (decklinksrc->connection == GST_DECKLINK_CONNECTION_COMPOSITE ||
+  switch (decklinksrc->audio_connection) {
-      decklinksrc->connection == GST_DECKLINK_CONNECTION_COMPONENT ||
+    default:
-      decklinksrc->connection == GST_DECKLINK_CONNECTION_SVIDEO) {
+    case GST_DECKLINK_AUDIO_CONNECTION_AUTO:
-    ret = config->SetInt (bmdDeckLinkConfigAudioInputConnection,
+      break;
-        bmdAudioConnectionAnalog);
+    case GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED:
+      aconn = bmdAudioConnectionEmbedded;
+      break;
+    case GST_DECKLINK_AUDIO_CONNECTION_AES_EBU:
+      aconn = bmdAudioConnectionAESEBU;
+      break;
+    case GST_DECKLINK_AUDIO_CONNECTION_ANALOG:
+      aconn = bmdAudioConnectionAnalog;
+      break;
+  }
+  ret = config->SetInt (bmdDeckLinkConfigAudioInputConnection, aconn);
   if (ret != S_OK) {
     GST_ERROR ("set configuration (audio input connection)");
     return FALSE;
   }
-  }
 
 #if 0
   ret = decklinksrc->input->GetDisplayModeIterator (&mode_iterator);

sys/decklink/gstdecklinksrc.h

@@ -72,6 +72,7 @@ struct _GstDecklinkSrc
   gboolean copy_data;
   GstDecklinkModeEnum mode;
   GstDecklinkConnectionEnum connection;
+  GstDecklinkAudioConnectionEnum audio_connection;
 };
 
 struct _GstDecklinkSrcClass