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appsink: implement SEEKING query

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We don't support seeking (in the sense that upstream can
make us jump back and forth to certain offsets in the
output).
This commit is contained in:
Tim-Philipp Müller 2012-02-25 15:21:30 +00:00
parent 0cb4ccb1f0
commit 3fd8217898
1 changed files with 26 additions and 0 deletions
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26
gst-libs/gst/app/gstappsink.c
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@ -158,6 +158,7 @@ static gboolean gst_app_sink_unlock_stop (GstBaseSink * bsink);
static gboolean gst_app_sink_start (GstBaseSink * psink);
static gboolean gst_app_sink_stop (GstBaseSink * psink);
static gboolean gst_app_sink_event (GstBaseSink * sink, GstEvent * event);
static gboolean gst_app_sink_query (GstBaseSink * bsink, GstQuery * query);
static GstFlowReturn gst_app_sink_preroll (GstBaseSink * psink,
GstBuffer * buffer);
static GstFlowReturn gst_app_sink_render_common (GstBaseSink * psink,
@ -436,6 +437,7 @@ gst_app_sink_class_init (GstAppSinkClass * klass)
basesink_class->render = gst_app_sink_render;
basesink_class->render_list = gst_app_sink_render_list;
basesink_class->get_caps = gst_app_sink_getcaps;
basesink_class->query = gst_app_sink_query;
klass->pull_preroll = gst_app_sink_pull_preroll;
klass->pull_buffer = gst_app_sink_pull_buffer;
@ -875,6 +877,30 @@ gst_app_sink_getcaps (GstBaseSink * psink)
return caps;
}
static gboolean
gst_app_sink_query (GstBaseSink * bsink, GstQuery * query)
{
gboolean ret;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_SEEKING:{
GstFormat fmt;
/* we don't supporting seeking */
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
gst_query_set_seeking (query, fmt, FALSE, 0, -1);
ret = TRUE;
break;
}
default:
ret = GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
break;
}
return ret;
}
static GstMiniObject *
gst_app_sink_pull_object (GstAppSink * appsink)
{