From cba98e05cfb1a2045b5c7401c8f51f9fdf704425 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Tue, 8 Jun 2010 12:01:15 +0200
Subject: [PATCH] oggdemux: Add parsing of Skeleton 4.0 indexes

---
 ext/ogg/gstoggdemux.c  |  4 ++--
 ext/ogg/gstoggstream.c | 35 +++++++++++++++++++++++++++++++++--
 ext/ogg/gstoggstream.h |  4 ++--
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/ext/ogg/gstoggdemux.c b/ext/ogg/gstoggdemux.c
index 28507ec..90a6958 100644
--- a/ext/ogg/gstoggdemux.c
+++ b/ext/ogg/gstoggdemux.c
@@ -762,11 +762,11 @@ gst_ogg_pad_submit_packet (GstOggPad * pad, ogg_packet * packet)
             /* parse the remainder of the fisbone in the pad with the serialno,
              * note that we ignore the start_time as this is usually wrong for
              * live streams */
-            gst_ogg_map_add_fisbone (&skel_pad->map, packet->packet,
+            gst_ogg_map_add_fisbone (&skel_pad->map, &pad->map, packet->packet,
                 packet->bytes, NULL);
             break;
           case GST_OGG_SKELETON_INDEX:
-            gst_ogg_map_add_index (&skel_pad->map, packet->packet,
+            gst_ogg_map_add_index (&skel_pad->map, &pad->map, packet->packet,
                 packet->bytes);
             break;
           default:
diff --git a/ext/ogg/gstoggstream.c b/ext/ogg/gstoggstream.c
index 766e738..d07a221 100644
--- a/ext/ogg/gstoggstream.c
+++ b/ext/ogg/gstoggstream.c
@@ -957,7 +957,7 @@ gst_ogg_map_parse_fisbone (GstOggStream * pad, const guint8 * data, guint size,
 }
 
 gboolean
-gst_ogg_map_add_fisbone (GstOggStream * pad,
+gst_ogg_map_add_fisbone (GstOggStream * pad, GstOggStream * skel_pad,
     const guint8 * data, guint size, GstClockTime * p_start_time)
 {
   GstClockTime start_time;
@@ -1020,7 +1020,8 @@ read_vlc (const guint8 ** data, guint * size, guint64 * result)
 }
 
 gboolean
-gst_ogg_map_add_index (GstOggStream * pad, const guint8 * data, guint size)
+gst_ogg_map_add_index (GstOggStream * pad, GstOggStream * skel_pad,
+    const guint8 * data, guint size)
 {
   guint64 i, n_keypoints, isize;
   guint64 offset, timestamp;
@@ -1049,6 +1050,36 @@ gst_ogg_map_add_index (GstOggStream * pad, const guint8 * data, guint size)
   data += 16;
   size -= 16;
 
+  if (skel_pad->skeleton_major == 4) {
+    guint64 firstsampletime_n, lastsampletime_n;
+    guint64 firstsampletime, lastsampletime;
+
+    firstsampletime_n = GST_READ_UINT64_LE (data);
+    lastsampletime_n = GST_READ_UINT64_LE (data + 8);
+
+    GST_INFO ("firstsampletime %" G_GUINT64_FORMAT "/%" G_GUINT64_FORMAT,
+        firstsampletime_n, pad->kp_denom);
+    GST_INFO ("lastsampletime %" G_GUINT64_FORMAT "/%" G_GUINT64_FORMAT,
+        lastsampletime_n, pad->kp_denom);
+
+    firstsampletime = gst_util_uint64_scale (GST_SECOND,
+        firstsampletime_n, pad->kp_denom);
+
+    lastsampletime = gst_util_uint64_scale (GST_SECOND,
+        lastsampletime_n, pad->kp_denom);
+
+    if (lastsampletime > firstsampletime)
+      pad->total_time = lastsampletime - firstsampletime;
+    else
+      pad->total_time = -1;
+
+    GST_INFO ("skeleton index parsed total: %" GST_TIME_FORMAT,
+        GST_TIME_ARGS (pad->total_time));
+
+    data += 16;
+    size -= 16;
+  }
+
   GST_INFO ("skeleton index has %" G_GUINT64_FORMAT " keypoints, denom: %"
       G_GINT64_FORMAT, n_keypoints, pad->kp_denom);
 
diff --git a/ext/ogg/gstoggstream.h b/ext/ogg/gstoggstream.h
index 5903b61..da6ee14 100644
--- a/ext/ogg/gstoggstream.h
+++ b/ext/ogg/gstoggstream.h
@@ -114,9 +114,9 @@ gint64 gst_ogg_stream_get_packet_duration (GstOggStream * pad, ogg_packet *packe
 
 gboolean gst_ogg_map_parse_fisbone (GstOggStream * pad, const guint8 * data, guint size,
     guint32 * serialno, GstOggSkeleton *type);
-gboolean gst_ogg_map_add_fisbone (GstOggStream * pad, const guint8 * data, guint size,
+gboolean gst_ogg_map_add_fisbone (GstOggStream * pad, GstOggStream * skel_pad, const guint8 * data, guint size,
     GstClockTime * p_start_time);
-gboolean gst_ogg_map_add_index (GstOggStream * pad, const guint8 * data, guint size);
+gboolean gst_ogg_map_add_index (GstOggStream * pad, GstOggStream * skel_pad, const guint8 * data, guint size);
 gboolean gst_ogg_map_search_index (GstOggStream * pad, gboolean before, guint64 *timestamp, guint64 *offset);
 
 
-- 
2.7.4