[longomatch] Add support for declinkvideosrc in OSX

[Andoni Morales Alastruey <amorales src gnome org>]

commit 8054e32b9e79121b30d3de13f82a8a18d74ac0e4
Author: Josep Torra <n770galaxy gmail com>
Date:   Fri Apr 24 08:42:17 2015 +0200

    Add support for declinkvideosrc in OSX

 LongoMatch.Multimedia/Utils/Devices.cs |   16 ++++++++--------
 libcesarplayer/gst-camera-capturer.c   |   17 +++++++++++------
 libcesarplayer/lgm-device.c            |   32 +++++++++++++++++++++-----------
 3 files changed, 40 insertions(+), 25 deletions(-)
---
diff --git a/LongoMatch.Multimedia/Utils/Devices.cs b/LongoMatch.Multimedia/Utils/Devices.cs
index 1ce7b51..b033307 100644
--- a/LongoMatch.Multimedia/Utils/Devices.cs
+++ b/LongoMatch.Multimedia/Utils/Devices.cs
@@ -1,20 +1,20 @@
-// 
+//
 //  Copyright (C) 2011 Andoni Morales Alastruey
-// 
+//
 //  This program is free software; you can redistribute it and/or modify
 //  it under the terms of the GNU General Public License as published by
 //  the Free Software Foundation; either version 2 of the License, or
 //  (at your option) any later version.
-// 
+//
 //  This program is distributed in the hope that it will be useful,
 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 //  GNU General Public License for more details.
-//  
+//
 //  You should have received a copy of the GNU General Public License
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
-// 
+//
 using System.Collections.Generic;
 using System.Text.RegularExpressions;
 using LongoMatch.Core.Common;
@@ -42,7 +42,7 @@ namespace LongoMatch.Multimedia.Utils
                static extern IntPtr lgm_device_video_format_get_info (IntPtr raw, out int width, out int 
height,
                                                                       out int fps_n, out int fps_d);
 
-               static readonly string[] devices_osx = new string[1] { "avfvideosrc" };
+               static readonly string[] devices_osx = new string[2] { "avfvideosrc", "decklinkvideosrc" };
                static readonly string[] devices_win = new string[2] { "ksvideosrc", "dshowvideosrc" };
                static readonly string[] devices_lin = new string[2] { "v4l2src", "dv1394src" };
 
@@ -61,7 +61,7 @@ namespace LongoMatch.Multimedia.Utils
                        foreach (string source in devices) {
                                GLib.List devices_raw = new GLib.List (lgm_device_enum_video_devices (source),
                                                                typeof(IntPtr), true, false);
-                               
+
                                foreach (IntPtr device_raw in devices_raw) {
                                        /* The Direct Show GStreamer element seems to have problems with the
                                         * BlackMagic DeckLink cards, so filter them out. They are also
@@ -70,7 +70,7 @@ namespace LongoMatch.Multimedia.Utils
                                            Regex.Match (source, ".*blackmagic.*|.*decklink.*", 
RegexOptions.IgnoreCase).Success) {
                                                continue;
                                        }
-                                       
+
                                        Device device = new Device ();
                                        device.DeviceType = CaptureSourceType.System;
                                        device.SourceElement = source;
diff --git a/libcesarplayer/gst-camera-capturer.c b/libcesarplayer/gst-camera-capturer.c
index 23b7930..e76f01a 100644
--- a/libcesarplayer/gst-camera-capturer.c
+++ b/libcesarplayer/gst-camera-capturer.c
@@ -2,19 +2,19 @@
 /*
 * Gstreamer DV capturer
 * Copyright (C)  Andoni Morales Alastruey 2008 <ylatuya gmail com>
-* 
+*
 * Gstreamer DV capturer is free software.
-* 
+*
 * You may redistribute it and/or modify it under the terms of the
 * GNU General Public License, as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option)
 * any later version.
-* 
+*
 * Gstreamer DV is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
-* 
+*
 * You should have received a copy of the GNU General Public License
 * along with foob.  If not, write to:
 *       The Free Software Foundation, Inc.,
@@ -312,8 +312,13 @@ gst_camera_capturer_update_device_id (GstCameraCapturer * gcc)
   else
     prop_name = "device-name";
 
-  if (prop_name)
-    g_object_set (gcc->priv->source, prop_name, gcc->priv->device_id, NULL);
+  if (!g_strcmp0 (gcc->priv->source_element_name, "decklinkvideosrc")) {
+    g_object_set (gcc->priv->source, "device-number", atoi(gcc->priv->device_id),
+        NULL);
+  } else {
+    if (prop_name)
+      g_object_set (gcc->priv->source, prop_name, gcc->priv->device_id, NULL);
+  }
 }
 
 static gboolean
diff --git a/libcesarplayer/lgm-device.c b/libcesarplayer/lgm-device.c
index 06a886b..6e6420a 100644
--- a/libcesarplayer/lgm-device.c
+++ b/libcesarplayer/lgm-device.c
@@ -235,7 +235,11 @@ lgm_device_fill_formats (LgmDevice *device, gchar *prop_name)
   gint i;
 
   source = gst_element_factory_make (device->source_name, NULL);
-  g_object_set (source, prop_name, device->device_name, NULL);
+  if (!g_strcmp0 (device->source_name, "decklinkvideosrc")) {
+    g_object_set (source, prop_name, 0, NULL);
+  } else {
+    g_object_set (source, prop_name, device->device_name, NULL);
+  }
   gst_element_set_state (source, GST_STATE_READY);
   gst_element_get_state (source, NULL, NULL, 5 * GST_SECOND);
   pad = gst_element_get_static_pad (source, "src");
@@ -248,16 +252,20 @@ lgm_device_fill_formats (LgmDevice *device, gchar *prop_name)
 
   GST_DEBUG ("Filling formats for source:%s device:%s", device->source_name,
       device->device_name);
-  for (i=0; i < gst_caps_get_size (caps); i++) {
-    GstStructure *s;
-
-    s = gst_caps_get_structure (caps, i);
-    if (gst_structure_has_name (s, "video/x-raw-yuv") ||
-        gst_structure_has_name (s, "video/x-raw-rgb") ||
-        gst_structure_has_name (s, "video/x-dv")) {
-      lgm_device_parse_structure (s, table);
-    } else if (gst_structure_has_name (s, "video/x-dv")) {
-      lgm_device_add_format (table, 0, 0, 0, 0);
+  if (!g_strcmp0 (device->source_name, "decklinkvideosrc")) {
+    lgm_device_add_format (table, 0, 0, 0, 0);
+  } else {
+    for (i=0; i < gst_caps_get_size (caps); i++) {
+      GstStructure *s;
+
+      s = gst_caps_get_structure (caps, i);
+      if (gst_structure_has_name (s, "video/x-raw-yuv") ||
+          gst_structure_has_name (s, "video/x-raw-rgb") ||
+          gst_structure_has_name (s, "video/x-dv")) {
+        lgm_device_parse_structure (s, table);
+      } else if (gst_structure_has_name (s, "video/x-dv")) {
+        lgm_device_add_format (table, 0, 0, 0, 0);
+      }
     }
   }
   device->formats = g_hash_table_get_values (table);
@@ -294,6 +302,8 @@ lgm_device_enum_devices (const gchar * source_name,
   else if (!g_strcmp0 (source_name, "v4l2src") ||
       !g_strcmp0 (source_name, "avfvideosrc"))
     prop_name = "device";
+  else if (!g_strcmp0 (source_name, "decklinkvideosrc"))
+    prop_name = "device-number";
   else if (!g_strcmp0 (source_name, "filesrc"))
     prop_name = "location";
   else