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Diffstat (limited to 'plugins/elements/gstoutputselector.c')
-rw-r--r--plugins/elements/gstoutputselector.c169
1 files changed, 88 insertions, 81 deletions
diff --git a/plugins/elements/gstoutputselector.c b/plugins/elements/gstoutputselector.c
index 2db7660..04422ad 100644
--- a/plugins/elements/gstoutputselector.c
+++ b/plugins/elements/gstoutputselector.c
@@ -44,7 +44,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate gst_output_selector_src_factory =
-GST_STATIC_PAD_TEMPLATE ("src%d",
+GST_STATIC_PAD_TEMPLATE ("src_%u",
GST_PAD_SRC,
GST_PAD_REQUEST,
GST_STATIC_CAPS_ANY);
@@ -102,11 +102,14 @@ static GstPad *gst_output_selector_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * unused, const GstCaps * caps);
static void gst_output_selector_release_pad (GstElement * element,
GstPad * pad);
-static GstFlowReturn gst_output_selector_chain (GstPad * pad, GstBuffer * buf);
+static GstFlowReturn gst_output_selector_chain (GstPad * pad,
+ GstObject * parent, GstBuffer * buf);
static GstStateChangeReturn gst_output_selector_change_state (GstElement *
element, GstStateChange transition);
-static gboolean gst_output_selector_handle_sink_event (GstPad * pad,
+static gboolean gst_output_selector_event (GstPad * pad, GstObject * parent,
GstEvent * event);
+static gboolean gst_output_selector_query (GstPad * pad, GstObject * parent,
+ GstQuery * query);
static void gst_output_selector_switch_pad_negotiation_mode (GstOutputSelector *
sel, gint mode);
@@ -136,7 +139,7 @@ gst_output_selector_class_init (GstOutputSelectorClass * klass)
DEFAULT_PAD_NEGOTIATION_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- gst_element_class_set_details_simple (gstelement_class, "Output selector",
+ gst_element_class_set_static_metadata (gstelement_class, "Output selector",
"Generic", "1-to-N output stream selector",
"Stefan Kost <stefan.kost@nokia.com>");
gst_element_class_add_pad_template (gstelement_class,
@@ -161,14 +164,16 @@ gst_output_selector_init (GstOutputSelector * sel)
gst_pad_set_chain_function (sel->sinkpad,
GST_DEBUG_FUNCPTR (gst_output_selector_chain));
gst_pad_set_event_function (sel->sinkpad,
- GST_DEBUG_FUNCPTR (gst_output_selector_handle_sink_event));
+ GST_DEBUG_FUNCPTR (gst_output_selector_event));
+ gst_pad_set_query_function (sel->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_output_selector_query));
gst_element_add_pad (GST_ELEMENT (sel), sel->sinkpad);
/* srcpad management */
sel->active_srcpad = NULL;
sel->nb_srcpads = 0;
- gst_segment_init (&sel->segment, GST_FORMAT_TIME);
+ gst_segment_init (&sel->segment, GST_FORMAT_UNDEFINED);
sel->pending_srcpad = NULL;
sel->resend_latest = FALSE;
@@ -280,15 +285,10 @@ gst_output_selector_get_property (GObject * object, guint prop_id,
}
}
-static GstCaps *
-gst_output_selector_sink_getcaps (GstPad * pad, GstCaps * filter)
+static GstPad *
+gst_output_selector_get_active (GstOutputSelector * sel)
{
- GstOutputSelector *sel = GST_OUTPUT_SELECTOR (gst_pad_get_parent (pad));
GstPad *active = NULL;
- GstCaps *caps = NULL;
-
- if (G_UNLIKELY (sel == NULL))
- return (filter ? gst_caps_ref (filter) : gst_caps_new_any ());
GST_OBJECT_LOCK (sel);
if (sel->pending_srcpad)
@@ -297,16 +297,7 @@ gst_output_selector_sink_getcaps (GstPad * pad, GstCaps * filter)
active = gst_object_ref (sel->active_srcpad);
GST_OBJECT_UNLOCK (sel);
- if (active) {
- caps = gst_pad_peer_get_caps (active, filter);
- gst_object_unref (active);
- }
- if (caps == NULL) {
- caps = (filter ? gst_caps_ref (filter) : gst_caps_new_any ());
- }
-
- gst_object_unref (sel);
- return caps;
+ return active;
}
static void
@@ -314,24 +305,16 @@ gst_output_selector_switch_pad_negotiation_mode (GstOutputSelector * sel,
gint mode)
{
sel->pad_negotiation_mode = mode;
- if (mode == GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL) {
- gst_pad_set_getcaps_function (sel->sinkpad, gst_pad_proxy_getcaps);
- } else if (mode == GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE) {
- gst_pad_set_getcaps_function (sel->sinkpad, NULL);
- } else { /* active */
- gst_pad_set_getcaps_function (sel->sinkpad,
- gst_output_selector_sink_getcaps);
- }
}
-static GstFlowReturn
-forward_sticky_events (GstPad * pad, GstEvent * event, gpointer user_data)
+static gboolean
+forward_sticky_events (GstPad * pad, GstEvent ** event, gpointer user_data)
{
GstPad *srcpad = GST_PAD_CAST (user_data);
- gst_pad_push_event (srcpad, gst_event_ref (event));
+ gst_pad_push_event (srcpad, gst_event_ref (*event));
- return GST_FLOW_OK;
+ return TRUE;
}
static GstPad *
@@ -347,7 +330,7 @@ gst_output_selector_request_new_pad (GstElement * element,
GST_DEBUG_OBJECT (osel, "requesting pad");
GST_OBJECT_LOCK (osel);
- padname = g_strdup_printf ("src%d", osel->nb_srcpads++);
+ padname = g_strdup_printf ("src_%u", osel->nb_srcpads++);
srcpad = gst_pad_new_from_template (templ, padname);
GST_OBJECT_UNLOCK (osel);
@@ -391,7 +374,8 @@ gst_output_selector_switch (GstOutputSelector * osel)
/* Switch */
GST_OBJECT_LOCK (GST_OBJECT (osel));
- GST_INFO ("switching to pad %" GST_PTR_FORMAT, osel->pending_srcpad);
+ GST_INFO_OBJECT (osel, "switching to pad %" GST_PTR_FORMAT,
+ osel->pending_srcpad);
if (gst_pad_is_linked (osel->pending_srcpad)) {
osel->active_srcpad = osel->pending_srcpad;
res = TRUE;
@@ -400,26 +384,29 @@ gst_output_selector_switch (GstOutputSelector * osel)
osel->pending_srcpad = NULL;
GST_OBJECT_UNLOCK (GST_OBJECT (osel));
- /* Send SEGMENT event and latest buffer if switching succeeded */
+ /* Send SEGMENT event and latest buffer if switching succeeded
+ * and we already have a valid segment configured */
if (res) {
- /* Send SEGMENT to the pad we are going to switch to */
- seg = &osel->segment;
- /* If resending then mark segment start and position accordingly */
- if (osel->resend_latest && osel->latest_buffer &&
- GST_BUFFER_TIMESTAMP_IS_VALID (osel->latest_buffer)) {
- start = position = GST_BUFFER_TIMESTAMP (osel->latest_buffer);
- } else {
- start = position = seg->position;
- }
+ if (osel->segment.format != GST_FORMAT_UNDEFINED) {
+ /* Send SEGMENT to the pad we are going to switch to */
+ seg = &osel->segment;
+ /* If resending then mark segment start and position accordingly */
+ if (osel->resend_latest && osel->latest_buffer &&
+ GST_BUFFER_TIMESTAMP_IS_VALID (osel->latest_buffer)) {
+ start = position = GST_BUFFER_TIMESTAMP (osel->latest_buffer);
+ } else {
+ start = position = seg->position;
+ }
- seg->start = start;
- seg->position = position;
- ev = gst_event_new_segment (seg);
+ seg->start = start;
+ seg->position = position;
+ ev = gst_event_new_segment (seg);
- if (!gst_pad_push_event (osel->active_srcpad, ev)) {
- GST_WARNING_OBJECT (osel,
- "newsegment handling failed in %" GST_PTR_FORMAT,
- osel->active_srcpad);
+ if (!gst_pad_push_event (osel->active_srcpad, ev)) {
+ GST_WARNING_OBJECT (osel,
+ "newsegment handling failed in %" GST_PTR_FORMAT,
+ osel->active_srcpad);
+ }
}
/* Resend latest buffer to newly switched pad */
@@ -435,13 +422,13 @@ gst_output_selector_switch (GstOutputSelector * osel)
}
static GstFlowReturn
-gst_output_selector_chain (GstPad * pad, GstBuffer * buf)
+gst_output_selector_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstFlowReturn res;
GstOutputSelector *osel;
GstClockTime position, duration;
- osel = GST_OUTPUT_SELECTOR (gst_pad_get_parent (pad));
+ osel = GST_OUTPUT_SELECTOR (parent);
/*
* The _switch function might push a buffer if 'resend-latest' is true.
@@ -485,7 +472,6 @@ gst_output_selector_chain (GstPad * pad, GstBuffer * buf)
GST_LOG_OBJECT (osel, "pushing buffer to %" GST_PTR_FORMAT,
osel->active_srcpad);
res = gst_pad_push (osel->active_srcpad, buf);
- gst_object_unref (osel);
return res;
}
@@ -520,17 +506,13 @@ gst_output_selector_change_state (GstElement * element,
}
static gboolean
-gst_output_selector_handle_sink_event (GstPad * pad, GstEvent * event)
+gst_output_selector_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = TRUE;
GstOutputSelector *sel;
GstPad *active = NULL;
- sel = GST_OUTPUT_SELECTOR (gst_pad_get_parent (pad));
- if (G_UNLIKELY (sel == NULL)) {
- gst_event_unref (event);
- return FALSE;
- }
+ sel = GST_OUTPUT_SELECTOR (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
@@ -538,19 +520,13 @@ gst_output_selector_handle_sink_event (GstPad * pad, GstEvent * event)
switch (sel->pad_negotiation_mode) {
case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL:
/* Send caps to all src pads */
- res = gst_pad_event_default (pad, event);
+ res = gst_pad_event_default (pad, parent, event);
break;
case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE:
gst_event_unref (event);
break;
default:
- GST_OBJECT_LOCK (sel);
- if (sel->pending_srcpad)
- active = gst_object_ref (sel->pending_srcpad);
- else if (sel->active_srcpad)
- active = gst_object_ref (sel->active_srcpad);
- GST_OBJECT_UNLOCK (sel);
-
+ active = gst_output_selector_get_active (sel);
if (active) {
res = gst_pad_push_event (active, event);
gst_object_unref (active);
@@ -569,23 +545,17 @@ gst_output_selector_handle_sink_event (GstPad * pad, GstEvent * event)
&sel->segment);
/* Send newsegment to all src pads */
- res = gst_pad_event_default (pad, event);
+ res = gst_pad_event_default (pad, parent, event);
break;
}
case GST_EVENT_EOS:
/* Send eos to all src pads */
- res = gst_pad_event_default (pad, event);
+ res = gst_pad_event_default (pad, parent, event);
break;
default:
{
- GST_OBJECT_LOCK (sel);
- if (sel->pending_srcpad)
- active = gst_object_ref (sel->pending_srcpad);
- else if (sel->active_srcpad)
- active = gst_object_ref (sel->active_srcpad);
- GST_OBJECT_UNLOCK (sel);
-
/* Send other events to pending or active src pad */
+ active = gst_output_selector_get_active (sel);
if (active) {
res = gst_pad_push_event (active, event);
gst_object_unref (active);
@@ -596,7 +566,44 @@ gst_output_selector_handle_sink_event (GstPad * pad, GstEvent * event)
}
}
- gst_object_unref (sel);
+ return res;
+}
+static gboolean
+gst_output_selector_query (GstPad * pad, GstObject * parent, GstQuery * query)
+{
+ gboolean res = TRUE;
+ GstOutputSelector *sel;
+ GstPad *active = NULL;
+
+ sel = GST_OUTPUT_SELECTOR (parent);
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_CAPS:
+ {
+ switch (sel->pad_negotiation_mode) {
+ case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL:
+ /* Send caps to all src pads */
+ res = gst_pad_proxy_query_caps (pad, query);
+ break;
+ case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE:
+ res = FALSE;
+ break;
+ default:
+ active = gst_output_selector_get_active (sel);
+ if (active) {
+ res = gst_pad_peer_query (active, query);
+ gst_object_unref (active);
+ } else {
+ res = FALSE;
+ }
+ break;
+ }
+ break;
+ }
+ default:
+ res = gst_pad_query_default (pad, parent, query);
+ break;
+ }
return res;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-31 09:30:37 +0000