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matroska: add support for GstToc in demuxer

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This commit is contained in:
Alexander Saprykin 2012-03-29 23:12:13 +04:00 committed by Stefan Sauer
parent 890b1752aa
commit 76192af2ef
1 changed files with 79 additions and 4 deletions
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81
gst/matroska/matroska-demux.c
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@ -423,6 +423,7 @@ gst_matroska_demux_reset (GstElement * element)
demux->tracks_parsed = FALSE; demux->tracks_parsed = FALSE;
demux->common.segmentinfo_parsed = FALSE; demux->common.segmentinfo_parsed = FALSE;
demux->common.attachments_parsed = FALSE; demux->common.attachments_parsed = FALSE;
demux->common.chapters_parsed = FALSE;
g_list_foreach (demux->common.tags_parsed, g_list_foreach (demux->common.tags_parsed,
(GFunc) gst_matroska_demux_free_parsed_el, NULL); (GFunc) gst_matroska_demux_free_parsed_el, NULL);
@ -481,6 +482,12 @@ gst_matroska_demux_reset (GstElement * element)
demux->common.cached_buffer = NULL; demux->common.cached_buffer = NULL;
} }
/* free chapters TOC if any */
if (demux->common.toc) {
gst_toc_free (demux->common.toc);
demux->common.toc = NULL;
}
demux->invalid_duration = FALSE; demux->invalid_duration = FALSE;
} }
@ -1347,6 +1354,7 @@ gst_matroska_demux_get_src_query_types (GstPad * pad)
GST_QUERY_POSITION, GST_QUERY_POSITION,
GST_QUERY_DURATION, GST_QUERY_DURATION,
GST_QUERY_SEEKING, GST_QUERY_SEEKING,
GST_QUERY_TOC,
0 0
}; };
@ -1445,6 +1453,23 @@ gst_matroska_demux_query (GstMatroskaDemux * demux, GstPad * pad,
GST_OBJECT_UNLOCK (demux); GST_OBJECT_UNLOCK (demux);
break; break;
} }
case GST_QUERY_TOC:
{
GstToc *toc;
GST_OBJECT_LOCK (demux);
if (demux->common.toc)
toc = demux->common.toc;
else
toc = gst_toc_new ();
gst_query_set_toc (query, toc, 0);
res = TRUE;
if (!demux->common.toc)
gst_toc_free (toc);
GST_OBJECT_UNLOCK (demux);
break;
}
default: default:
res = gst_pad_query_default (pad, query); res = gst_pad_query_default (pad, query);
break; break;
@ -1932,8 +1957,7 @@ gst_matroska_demux_handle_seek_event (GstMatroskaDemux * demux,
* we might be playing a file that's still being recorded * we might be playing a file that's still being recorded
* so, invalidate our current duration, which is only a moving target, * so, invalidate our current duration, which is only a moving target,
* and should not be used to clamp anything */ * and should not be used to clamp anything */
if (!demux->streaming && !demux->common.index && if (!demux->streaming && !demux->common.index && demux->invalid_duration) {
demux->invalid_duration) {
gst_segment_set_duration (&seeksegment, GST_FORMAT_TIME, gst_segment_set_duration (&seeksegment, GST_FORMAT_TIME,
GST_CLOCK_TIME_NONE); GST_CLOCK_TIME_NONE);
} }
@ -2236,6 +2260,45 @@ gst_matroska_demux_handle_src_event (GstPad * pad, GstEvent * event)
break; break;
} }
case GST_EVENT_TOC_SELECT:
{
char *uid = NULL;
GstTocEntry *entry = NULL;
GstEvent *seek_event;
gint64 start_pos;
if (!demux->common.toc) {
GST_DEBUG_OBJECT (demux, "no TOC to select");
return FALSE;
} else {
gst_event_parse_toc_select (event, &uid);
if (uid != NULL) {
GST_OBJECT_LOCK (demux);
entry = gst_toc_find_entry (demux->common.toc, uid);
if (entry == NULL) {
GST_OBJECT_UNLOCK (demux);
GST_WARNING_OBJECT (demux, "no TOC entry with given UID: %s", uid);
res = FALSE;
} else {
gst_toc_entry_get_start_stop (entry, &start_pos, NULL);
GST_OBJECT_UNLOCK (demux);
seek_event = gst_event_new_seek (1.0,
GST_FORMAT_TIME,
GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, start_pos, GST_SEEK_TYPE_SET, -1);
res = gst_matroska_demux_handle_seek_event (demux, pad, seek_event);
gst_event_unref (seek_event);
}
g_free (uid);
} else {
GST_WARNING_OBJECT (demux, "received empty TOC select event");
res = FALSE;
}
}
gst_event_unref (event);
break;
}
/* events we don't need to handle */ /* events we don't need to handle */
case GST_EVENT_NAVIGATION: case GST_EVENT_NAVIGATION:
gst_event_unref (event); gst_event_unref (event);
@ -4254,8 +4317,20 @@ gst_matroska_demux_parse_id (GstMatroskaDemux * demux, guint32 id,
GST_ELEMENT_CAST (demux), &ebml); GST_ELEMENT_CAST (demux), &ebml);
break; break;
case GST_MATROSKA_ID_CHAPTERS: case GST_MATROSKA_ID_CHAPTERS:
if (!demux->common.chapters_parsed) {
GST_READ_CHECK (gst_matroska_demux_take (demux, read, &ebml)); GST_READ_CHECK (gst_matroska_demux_take (demux, read, &ebml));
ret = gst_matroska_read_common_parse_chapters (&demux->common, &ebml); ret =
gst_matroska_read_common_parse_chapters (&demux->common, &ebml);
if (demux->common.toc) {
gst_matroska_demux_send_event (demux,
gst_event_new_toc (demux->common.toc, FALSE));
gst_element_post_message (GST_ELEMENT_CAST (demux),
gst_message_new_toc (GST_OBJECT_CAST (demux),
demux->common.toc, FALSE));
}
} else
GST_READ_CHECK (gst_matroska_demux_flush (demux, read));
break; break;
case GST_MATROSKA_ID_SEEKHEAD: case GST_MATROSKA_ID_SEEKHEAD:
GST_READ_CHECK (gst_matroska_demux_take (demux, read, &ebml)); GST_READ_CHECK (gst_matroska_demux_take (demux, read, &ebml));