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oggdemux: Add parsing of Skeleton 4.0 indexes

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This commit is contained in:
Sebastian Dröge 2010-06-08 12:01:15 +02:00
parent f213c8ebe3
commit cba98e05cf
3 changed files with 37 additions and 6 deletions
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4
ext/ogg/gstoggdemux.c
View file

@ -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:

35
ext/ogg/gstoggstream.c
View file

@ -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);

4
ext/ogg/gstoggstream.h
View file

@ -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);