From 1c9bbb1e00a06a3ca97730f16bca032b9d2e0ba7 Mon Sep 17 00:00:00 2001
From: Stefan Ringel <linuxtv@stefanringel.de>
Date: Wed, 28 May 2014 12:19:43 +0200
Subject: [PATCH] example: ts-parser: add component descriptor

https://bugzilla.gnome.org/show_bug.cgi?id=730854
---
 gst-libs/gst/mpegts/gst-dvb-descriptor.c |  1 +
 gst-libs/gst/mpegts/gst-dvb-descriptor.h | 11 +++++++++++
 tests/examples/mpegts/ts-parser.c        | 24 ++++++++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/gst-libs/gst/mpegts/gst-dvb-descriptor.c b/gst-libs/gst/mpegts/gst-dvb-descriptor.c
index 47e818e50c..7a2332a293 100644
--- a/gst-libs/gst/mpegts/gst-dvb-descriptor.c
+++ b/gst-libs/gst/mpegts/gst-dvb-descriptor.c
@@ -1008,6 +1008,7 @@ gst_mpegts_descriptor_parse_dvb_component (const GstMpegTsDescriptor
   data += 1;
 
   memcpy (res->language_code, data, 3);
+  res->language_code[3] = 0;
   data += 3;
 
   len = descriptor->length - 6;
diff --git a/gst-libs/gst/mpegts/gst-dvb-descriptor.h b/gst-libs/gst/mpegts/gst-dvb-descriptor.h
index 9d2b251e29..19fc1f71f2 100644
--- a/gst-libs/gst/mpegts/gst-dvb-descriptor.h
+++ b/gst-libs/gst/mpegts/gst-dvb-descriptor.h
@@ -492,6 +492,17 @@ gboolean gst_mpegts_descriptor_parse_dvb_extended_event (const GstMpegTsDescript
 							  GstMpegTsExtendedEventDescriptor *res);
 
 /* GST_MTS_DESC_DVB_COMPONENT (0x50) */
+typedef enum {
+  GST_MPEGTS_STREAM_CONTENT_MPEG2_VIDEO          = 0x01,
+  GST_MPEGTS_STREAM_CONTENT_MPEG1_LAYER2_AUDIO   = 0x02,
+  GST_MPEGTS_STREAM_CONTENT_TELETEXT_OR_SUBTITLE = 0x03,
+  GST_MPEGTS_STREAM_CONTENT_AC_3                 = 0x04,
+  GST_MPEGTS_STREAM_CONTENT_AVC                  = 0x05,
+  GST_MPEGTS_STREAM_CONTENT_AAC                  = 0x06,
+  GST_MPEGTS_STREAM_CONTENT_DTS                  = 0x07,
+  GST_MPEGTS_STREAM_CONTENT_SRM_CPCM             = 0x08
+} GstMpegTsComponentStreamContent;
+
 typedef struct _GstMpegTsComponentDescriptor GstMpegTsComponentDescriptor;
 struct _GstMpegTsComponentDescriptor
 {
diff --git a/tests/examples/mpegts/ts-parser.c b/tests/examples/mpegts/ts-parser.c
index 9a4eeed6a3..d157702d70 100644
--- a/tests/examples/mpegts/ts-parser.c
+++ b/tests/examples/mpegts/ts-parser.c
@@ -406,6 +406,26 @@ dump_linkage (GstMpegTsDescriptor * desc, guint spacing)
   }
 }
 
+static void
+dump_component (GstMpegTsDescriptor * desc, guint spacing)
+{
+  GstMpegTsComponentDescriptor res;
+
+  res.text = NULL;
+
+  if (gst_mpegts_descriptor_parse_dvb_component (desc, &res)) {
+    g_printf ("%*s stream_content : 0x%02x (%s)\n", spacing, "",
+        res.stream_content,
+        enum_name (GST_TYPE_MPEG_TS_COMPONENT_STREAM_CONTENT,
+            res.stream_content));
+    g_printf ("%*s component_type : 0x%02x\n", spacing, "", res.component_type);
+    g_printf ("%*s component_tag  : 0x%02x\n", spacing, "", res.component_tag);
+    g_printf ("%*s language_code  : %s\n", spacing, "", res.language_code);
+    g_printf ("%*s text           : %s\n", spacing, "",
+        res.text ? res.text : "NULL");
+  }
+}
+
 static void
 dump_iso_639_language (GstMpegTsDescriptor * desc, guint spacing)
 {
@@ -560,6 +580,9 @@ dump_descriptors (GPtrArray * descriptors, guint spacing)
       case GST_MTS_DESC_DVB_LINKAGE:
         dump_linkage (desc, spacing + 2);
         break;
+      case GST_MTS_DESC_DVB_COMPONENT:
+        dump_component (desc, spacing + 2);
+        break;
       case GST_MTS_DESC_ISO_639_LANGUAGE:
         dump_iso_639_language (desc, spacing + 2);
         break;
@@ -1099,6 +1122,7 @@ main (int argc, gchar ** argv)
   g_type_class_ref (GST_TYPE_MPEG_TS_TERRESTRIAL_HIERARCHY);
   g_type_class_ref (GST_TYPE_MPEG_TS_DVB_LINKAGE_TYPE);
   g_type_class_ref (GST_TYPE_MPEG_TS_DVB_LINKAGE_HAND_OVER_TYPE);
+  g_type_class_ref (GST_TYPE_MPEG_TS_COMPONENT_STREAM_CONTENT);
 
   mainloop = g_main_loop_new (NULL, FALSE);