From d6ae9c0feba83f569b8fb22706b7f7a0aa8b89ac Mon Sep 17 00:00:00 2001
From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Thu, 19 Mar 2015 10:45:56 +0000
Subject: [PATCH] segment: add gst_segment_is_equal

It beats memcmp due to the 'reserved' fields.

API: gst_segment_is_equal()

Found via, but probably not directly linked to,
https://bugzilla.gnome.org/show_bug.cgi?id=738216
---
 docs/gst/gstreamer-sections.txt |  1 +
 gst/gstsegment.c                | 40 +++++++++++++++++++++++++++++++++
 gst/gstsegment.h                |  1 +
 win32/common/libgstreamer.def   |  1 +
 4 files changed, 43 insertions(+)

diff --git a/docs/gst/gstreamer-sections.txt b/docs/gst/gstreamer-sections.txt
index 2929cb0986..701e3edacb 100644
--- a/docs/gst/gstreamer-sections.txt
+++ b/docs/gst/gstreamer-sections.txt
@@ -2516,6 +2516,7 @@ gst_segment_to_position
 gst_segment_set_running_time
 gst_segment_copy_into
 gst_segment_offset_running_time
+gst_segment_is_equal
 <SUBSECTION Standard>
 GST_TYPE_SEGMENT
 GST_TYPE_SEGMENT_FLAGS
diff --git a/gst/gstsegment.c b/gst/gstsegment.c
index 7cecf689e8..01b3005274 100644
--- a/gst/gstsegment.c
+++ b/gst/gstsegment.c
@@ -830,3 +830,43 @@ gst_segment_offset_running_time (GstSegment * segment, GstFormat format,
   }
   return TRUE;
 }
+
+/**
+ * gst_segment_is_equal:
+ * @s0: a #GstSegment structure.
+ * @s1: a #GstSegment structure.
+ *
+ * Checks for two segments being equal. Equality here is defined
+ * as perfect equality, including floating point values.
+ *
+ * Since: 1.6
+ *
+ * Returns: %TRUE if the segments are equal, %FALSE otherwise.
+ */
+gboolean
+gst_segment_is_equal (const GstSegment * s0, const GstSegment * s1)
+{
+  if (s0->flags != s1->flags)
+    return FALSE;
+  if (s0->rate != s1->rate)
+    return FALSE;
+  if (s0->applied_rate != s1->applied_rate)
+    return FALSE;
+  if (s0->format != s1->format)
+    return FALSE;
+  if (s0->base != s1->base)
+    return FALSE;
+  if (s0->offset != s1->offset)
+    return FALSE;
+  if (s0->start != s1->start)
+    return FALSE;
+  if (s0->stop != s1->stop)
+    return FALSE;
+  if (s0->time != s1->time)
+    return FALSE;
+  if (s0->position != s1->position)
+    return FALSE;
+  if (s0->duration != s1->duration)
+    return FALSE;
+  return TRUE;
+}
diff --git a/gst/gstsegment.h b/gst/gstsegment.h
index d3c87c2ced..dfe6ace277 100644
--- a/gst/gstsegment.h
+++ b/gst/gstsegment.h
@@ -234,6 +234,7 @@ gboolean     gst_segment_do_seek             (GstSegment * segment, gdouble rate
                                               GstFormat format, GstSeekFlags flags,
                                               GstSeekType start_type, guint64 start,
                                               GstSeekType stop_type, guint64 stop, gboolean * update);
+gboolean     gst_segment_is_equal            (const GstSegment * s0, const GstSegment * s1);
 
 G_END_DECLS
 
diff --git a/win32/common/libgstreamer.def b/win32/common/libgstreamer.def
index 6933676423..feb7d2bc64 100644
--- a/win32/common/libgstreamer.def
+++ b/win32/common/libgstreamer.def
@@ -1115,6 +1115,7 @@ EXPORTS
 	gst_search_mode_get_type
 	gst_seek_flags_get_type
 	gst_seek_type_get_type
+	gst_segment_is_equal
 	gst_segment_clip
 	gst_segment_copy
 	gst_segment_copy_into