From 0bd40a439789fdfb92bb945ccdb0b9b2b34611eb Mon Sep 17 00:00:00 2001
From: Thiago Santos <thiago.sousa.santos@collabora.co.uk>
Date: Mon, 16 Aug 2010 14:12:35 -0300
Subject: [PATCH] tag: Adds GST_TAG_APPLICATION_DATA

Adds GST_TAG_APPLICATION_DATA for representing arbitrary private
data that applications might want to store into tags. Exif/id3,
for example, have tags for this.

API: GST_TAG_APPLICATION_DATA

Fixes #626651
---
 docs/gst/gstreamer-sections.txt |  1 +
 gst/gsttaglist.c                |  3 +++
 gst/gsttaglist.h                | 11 +++++++++++
 3 files changed, 15 insertions(+)

diff --git a/docs/gst/gstreamer-sections.txt b/docs/gst/gstreamer-sections.txt
index 1c0f1fb4b5..32e275cd39 100644
--- a/docs/gst/gstreamer-sections.txt
+++ b/docs/gst/gstreamer-sections.txt
@@ -2214,6 +2214,7 @@ GST_TAG_USER_RATING
 GST_TAG_DEVICE_MANUFACTURER
 GST_TAG_DEVICE_MODEL
 GST_TAG_APPLICATION_NAME
+GST_TAG_APPLICATION_DATA
 GST_TAG_IMAGE_ORIENTATION
 
 gst_tag_register
diff --git a/gst/gsttaglist.c b/gst/gsttaglist.c
index fb554e2cba..8ec69e6f85 100644
--- a/gst/gsttaglist.c
+++ b/gst/gsttaglist.c
@@ -355,6 +355,9 @@ _gst_tag_initialize (void)
       _("Model of the device used to create this media"), NULL);
   gst_tag_register (GST_TAG_APPLICATION_NAME, GST_TAG_FLAG_META, G_TYPE_STRING,
       _("application name"), _("Application used to create the media"), NULL);
+  gst_tag_register (GST_TAG_APPLICATION_DATA, GST_TAG_FLAG_META,
+      GST_TYPE_BUFFER, _("application data"),
+      _("Arbitrary application data to be serialized into the media"), NULL);
   gst_tag_register (GST_TAG_IMAGE_ORIENTATION, GST_TAG_FLAG_META, G_TYPE_STRING,
       _("image orientation"),
       _("How the image should be rotated or flipped before display"), NULL);
diff --git a/gst/gsttaglist.h b/gst/gsttaglist.h
index 4a7311b2b0..127ff6c4e2 100644
--- a/gst/gsttaglist.h
+++ b/gst/gsttaglist.h
@@ -967,6 +967,17 @@ gboolean     gst_tag_list_get_buffer_index  (const GstTagList * list,
  * Since: 0.10.31
  */
 #define GST_TAG_APPLICATION_NAME                  "application-name"
+/**
+ * GST_TAG_APPLICATION_DATA:
+ *
+ * Arbitrary application data (buffer)
+ *
+ * Some formats allow application's to add their own arbitrary data
+ * into files. This data is application's dependent.
+ *
+ * Since: 0.10.31
+ */
+#define GST_TAG_APPLICATION_DATA          "application-data"
 /**
  * GST_TAG_IMAGE_ORIENTATION:
  *