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gesdemux: Properly combine flows

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This commit is contained in:
Thibault Saunier 2019-06-06 11:26:45 -04:00
parent cf43d9b6d4
commit 93289ac406
1 changed files with 37 additions and 3 deletions
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40
plugins/ges/gesdemux.c
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@ -73,6 +73,7 @@ struct _GESDemux
GstPad *sinkpad;
GstAdapter *input_adapter;
GstFlowCombiner *flow_combiner;
};
G_DEFINE_TYPE (GESDemux, ges_demux, GST_TYPE_BIN);
@ -87,6 +88,24 @@ enum
static GParamSpec *properties[PROP_LAST];
static GstFlowReturn
gst_demux_src_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstFlowReturn result, chain_result;
GESDemux *self = GES_DEMUX (GST_OBJECT_PARENT (parent));
chain_result = gst_proxy_pad_chain_default (pad, GST_OBJECT (self), buffer);
result =
gst_flow_combiner_update_pad_flow (self->flow_combiner, pad,
chain_result);
if (result == GST_FLOW_FLUSHING) {
return chain_result;
}
return result;
}
static gboolean
ges_demux_set_timeline (GESDemux * self, GESTimeline * timeline)
{
@ -110,12 +129,13 @@ ges_demux_set_timeline (GESDemux * self, GESTimeline * timeline)
return FALSE;
}
for (tmp = self->timeline->tracks; tmp; tmp = tmp->next) {
GstPad *gpad;
gchar *name = NULL;
GstElement *queue;
GESTrack *track = GES_TRACK (tmp->data);
GstPad *tmppad, *pad =
GstPad *proxy_pad, *tmppad, *pad =
ges_timeline_get_pad_for_track (self->timeline, track);
GstStaticPadTemplate *template;
@ -159,6 +179,12 @@ ges_demux_set_timeline (GESDemux * self, GESTimeline * timeline)
gst_pad_set_active (gpad, TRUE);
gst_element_add_pad (GST_ELEMENT (self), gpad);
proxy_pad = GST_PAD (gst_proxy_pad_get_internal (GST_PROXY_PAD (gpad)));
gst_flow_combiner_add_pad (self->flow_combiner, proxy_pad);
gst_pad_set_chain_function (proxy_pad,
(GstPadChainFunction) gst_demux_src_chain);
gst_object_unref (proxy_pad);
GST_DEBUG_OBJECT (self, "Adding pad: %" GST_PTR_FORMAT, gpad);
}
@ -201,6 +227,14 @@ ges_demux_dispose (GObject * object)
gst_clear_object (&self->timeline);
}
static void
ges_demux_finalize (GObject * object)
{
GESDemux *self = GES_DEMUX (object);
gst_flow_combiner_free (self->flow_combiner);
}
static void
ges_demux_class_init (GESDemuxClass * self_class)
{
@ -212,6 +246,7 @@ ges_demux_class_init (GESDemuxClass * self_class)
gclass->get_property = ges_demux_get_property;
gclass->set_property = ges_demux_set_property;
gclass->dispose = ges_demux_dispose;
gclass->finalize = ges_demux_finalize;
/**
* GESDemux:timeline:
@ -377,7 +412,6 @@ ges_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
gint f = g_file_open_tmp (NULL, &filename, &err);
GMainContext *main_context = g_main_context_default ();
GST_ERROR ("Loading %s", filename);
if (err) {
GST_ELEMENT_ERROR (self, RESOURCE, OPEN_WRITE,
("Could not open temporary file to write timeline description"),
@ -432,7 +466,6 @@ ges_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
("Could not map buffer containing timeline description"),
("Not info"));
}
GST_ERROR_OBJECT (xges_buffer, ":YAY");
}
default:
break;
@ -462,6 +495,7 @@ ges_demux_init (GESDemux * self)
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
self->input_adapter = gst_adapter_new ();
self->flow_combiner = gst_flow_combiner_new ();
gst_pad_set_chain_function (self->sinkpad,
GST_DEBUG_FUNCPTR (ges_demux_sink_chain));