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gst/gstbin.c: Position query should also take max of all streams.

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Original commit message from CVS:
* gst/gstbin.c: (gst_bin_handle_message_func),
(bin_query_max_init), (bin_query_position_fold),
(bin_query_position_done), (gst_bin_query):
Position query should also take max of all streams.
This commit is contained in:
Wim Taymans 2006-03-20 10:56:08 +00:00
parent b7edbd2caf
commit f35fc7a902
2 changed files with 49 additions and 4 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2006-03-20 Wim Taymans <wim@fluendo.com>
* gst/gstbin.c: (gst_bin_handle_message_func),
(bin_query_max_init), (bin_query_position_fold),
(bin_query_position_done), (gst_bin_query):
Position query should also take max of all streams.
2006-03-20 Wim Taymans <wim@fluendo.com>
* plugins/elements/gstfakesrc.c: (gst_fake_src_class_init),

46
gst/gstbin.c
View file

@ -2203,10 +2203,10 @@ typedef struct
typedef void (*QueryInitFunction) (GstBin * bin, QueryFold * fold);
typedef void (*QueryDoneFunction) (GstBin * bin, QueryFold * fold);
/* for duration we collect all durations and take the MAX of
* all valid results */
/* for duration/position we collect all durations/positions and take
* the MAX of all valid results */
static void
bin_query_duration_init (GstBin * bin, QueryFold * fold)
bin_query_max_init (GstBin * bin, QueryFold * fold)
{
fold->max = -1;
}
@ -2250,6 +2250,37 @@ bin_query_duration_done (GstBin * bin, QueryFold * fold)
#endif
}
static gboolean
bin_query_position_fold (GstElement * item, GValue * ret, QueryFold * fold)
{
if (gst_element_query (item, fold->query)) {
gint64 position;
g_value_set_boolean (ret, TRUE);
gst_query_parse_position (fold->query, NULL, &position);
GST_DEBUG_OBJECT (item, "got position %" G_GINT64_FORMAT, position);
if (position > fold->max)
fold->max = position;
}
gst_object_unref (item);
return TRUE;
}
static void
bin_query_position_done (GstBin * bin, QueryFold * fold)
{
GstFormat format;
gst_query_parse_position (fold->query, &format, NULL);
/* store max in query result */
gst_query_set_position (fold->query, format, fold->max);
GST_DEBUG_OBJECT (bin, "max position %" G_GINT64_FORMAT, fold->max);
}
/* generic fold, return first valid result */
static gboolean
bin_query_generic_fold (GstElement * item, GValue * ret, QueryFold * fold)
@ -2315,10 +2346,17 @@ gst_bin_query (GstElement * element, GstQuery * query)
GST_OBJECT_UNLOCK (bin);
#endif
fold_func = (GstIteratorFoldFunction) bin_query_duration_fold;
fold_init = bin_query_duration_init;
fold_init = bin_query_max_init;
fold_done = bin_query_duration_done;
break;
}
case GST_QUERY_POSITION:
{
fold_func = (GstIteratorFoldFunction) bin_query_position_fold;
fold_init = bin_query_max_init;
fold_done = bin_query_position_done;
break;
}
default:
fold_func = (GstIteratorFoldFunction) bin_query_generic_fold;
break;