From 792fc1cf01d15bf531c05fba63cb6a24607f4feb Mon Sep 17 00:00:00 2001
From: Stefan Ringel <linuxtv@stefanringel.de>
Date: Sun, 16 Feb 2014 10:44:55 +0100
Subject: [PATCH] mpegts: Add support for component descriptor

https://bugzilla.gnome.org/show_bug.cgi?id=724034
---
 gst-libs/gst/mpegts/gst-dvb-descriptor.c | 44 +++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/gst-libs/gst/mpegts/gst-dvb-descriptor.c b/gst-libs/gst/mpegts/gst-dvb-descriptor.c
index c88a6e120b..c81815c5cb 100644
--- a/gst-libs/gst/mpegts/gst-dvb-descriptor.c
+++ b/gst-libs/gst/mpegts/gst-dvb-descriptor.c
@@ -46,7 +46,6 @@
  *   * GST_MTS_DESC_DVB_DATA_BROADCAST
  *   * GST_MTS_DESC_DVB_CAROUSEL_IDENTIFIER
  *   * GST_MTS_DESC_DVB_STREAM_IDENTIFIER
- *   * GST_MTS_DESC_DVB_COMPONENT
  *   * GST_MTS_DESC_DVB_FREQUENCY_LIST
  */
 
@@ -548,6 +547,49 @@ gst_mpegts_descriptor_parse_dvb_extended_event (const GstMpegTsDescriptor
   return TRUE;
 }
 
+/* GST_MTS_DESC_DVB_COMPONENT (0x50) */
+/**
+ * gst_mpegts_descriptor_parse_dvb_component:
+ * @descriptor: a %GST_MTS_DESC_DVB_COMPONENT #GstMpegTsDescriptor
+ * @res: (out) (transfer none): the #GstMpegTsComponentDescriptor to fill
+ *
+ * Extracts the DVB component information from @descriptor.
+ *
+ * Returns: %TRUE if parsing succeeded, else %FALSE.
+ */
+
+gboolean
+gst_mpegts_descriptor_parse_dvb_component (const GstMpegTsDescriptor
+    * descriptor, GstMpegTsComponentDescriptor * res)
+{
+  guint8 *data;
+  guint8 len;
+
+  g_return_val_if_fail (descriptor != NULL && descriptor->data != NULL, FALSE);
+  g_return_val_if_fail (res != NULL, FALSE);
+  g_return_val_if_fail (descriptor->tag == GST_MTS_DESC_DVB_COMPONENT, FALSE);
+
+  data = (guint8 *) descriptor->data + 2;
+
+  res->stream_content = *data & 0x0f;
+  data += 1;
+
+  res->component_type = *data;
+  data += 1;
+
+  res->component_tag = *data;
+  data += 1;
+
+  memcpy (data, res->language_code, 3);
+  data += 3;
+
+  len = descriptor->length - 6;
+  if (len)
+    res->text = get_encoding_and_convert ((const gchar *) data, len);
+
+  return TRUE;
+}
+
 /* GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM (0x5A) */
 /**
  * gst_mpegts_descriptor_parse_dvb_terrestrial_delivary_system: