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From 3164f23cd6ae338d0e423fccb4e11539cd220e2f Mon Sep 17 00:00:00 2001
From: Andre McCurdy <armccurdy@gmail.com>
Date: Tue, 9 Feb 2016 14:00:00 -0800
Subject: [PATCH] ensure valid sentinals for gst_structure_get() etc

For GStreamer functions declared with G_GNUC_NULL_TERMINATED,
ie __attribute__((__sentinel__)), gcc will generate a warning if the
last parameter passed to the function is not NULL (where a valid NULL
in this context is defined as zero with any pointer type).

The C callers to such functions within gst-plugins-bad use the C NULL
definition (ie ((void*)0)), which is a valid sentinel.

However the C++ NULL definition (ie 0L), is not a valid sentinel
without an explicit cast to a pointer type.

Upstream-Status: Pending

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
---
 sys/decklink/gstdecklink.cpp          | 2 +-
 sys/decklink/gstdecklinkaudiosrc.cpp  | 2 +-
 sys/decklink/gstdecklinkvideosink.cpp | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sys/decklink/gstdecklink.cpp b/sys/decklink/gstdecklink.cpp
index c0d1128..6f2ef75 100644
--- a/sys/decklink/gstdecklink.cpp
+++ b/sys/decklink/gstdecklink.cpp
@@ -328,7 +328,7 @@ gst_decklink_mode_get_structure (GstDecklinkModeEnum e)
       "interlace-mode", G_TYPE_STRING,
       mode->interlaced ? "interleaved" : "progressive", "pixel-aspect-ratio",
       GST_TYPE_FRACTION, mode->par_n, mode->par_d, "colorimetry", G_TYPE_STRING,
-      mode->colorimetry, "chroma-site", G_TYPE_STRING, "mpeg2", NULL);
+      mode->colorimetry, "chroma-site", G_TYPE_STRING, "mpeg2", (void *) NULL);
 }
 
 GstCaps *
diff --git a/sys/decklink/gstdecklinkaudiosrc.cpp b/sys/decklink/gstdecklinkaudiosrc.cpp
index e5ac8ae..a153851 100644
--- a/sys/decklink/gstdecklinkaudiosrc.cpp
+++ b/sys/decklink/gstdecklinkaudiosrc.cpp
@@ -312,7 +312,7 @@ gst_decklink_audio_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
       g_mutex_unlock (&self->input->lock);
 
       if (videosrc) {
-        g_object_get (videosrc, "connection", &vconn, NULL);
+        g_object_get (videosrc, "connection", &vconn, (void *) NULL);
         gst_object_unref (videosrc);
 
         switch (vconn) {
diff --git a/sys/decklink/gstdecklinkvideosink.cpp b/sys/decklink/gstdecklinkvideosink.cpp
index 7111cb1..b958fda 100644
--- a/sys/decklink/gstdecklinkvideosink.cpp
+++ b/sys/decklink/gstdecklinkvideosink.cpp
@@ -158,7 +158,7 @@ reset_framerate (GstCapsFeatures * features, GstStructure * structure,
     gpointer user_data)
 {
   gst_structure_set (structure, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
-      G_MAXINT, 1, NULL);
+      G_MAXINT, 1, (void *) NULL);
 
   return TRUE;
 }
-- 
1.9.1