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funnel: Use a GstPad subclass for the sinkpads instead of using the pad's element private data

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This commit is contained in:
Sebastian Dröge 2011-03-29 10:56:00 +02:00
parent 565efa30ea
commit 9c9f619f6b
1 changed files with 62 additions and 26 deletions
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88
plugins/elements/gstfunnel.c
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@ -38,6 +38,54 @@
GST_DEBUG_CATEGORY_STATIC (gst_funnel_debug);
#define GST_CAT_DEFAULT gst_funnel_debug
GType gst_funnel_pad_get_type (void);
#define GST_TYPE_FUNNEL_PAD \
(gst_funnel_pad_get_type())
#define GST_FUNNEL_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_FUNNEL_PAD, GstFunnelPad))
#define GST_FUNNEL_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_FUNNEL_PAD, GstFunnelPadClass))
#define GST_IS_FUNNEL_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FUNNEL_PAD))
#define GST_IS_FUNNEL_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_FUNNEL_PAD))
#define GST_FUNNEL_PAD_CAST(obj) \
((GstFunnelPad *)(obj))
typedef struct _GstFunnelPad GstFunnelPad;
typedef struct _GstFunnelPadClass GstFunnelPadClass;
struct _GstFunnelPad
{
GstPad parent;
GstSegment segment;
};
struct _GstFunnelPadClass
{
GstPadClass parent;
};
G_DEFINE_TYPE (GstFunnelPad, gst_funnel_pad, GST_TYPE_PAD);
static void
gst_funnel_pad_class_init (GstFunnelPadClass * klass)
{
}
static void
gst_funnel_pad_reset (GstFunnelPad * pad)
{
gst_segment_init (&pad->segment, GST_FORMAT_UNDEFINED);
}
static void
gst_funnel_pad_init (GstFunnelPad * pad)
{
gst_funnel_pad_reset (pad);
}
static GstStaticPadTemplate funnel_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink%d",
GST_PAD_SINK,
@ -73,12 +121,6 @@ static gboolean gst_funnel_event (GstPad * pad, GstEvent * event);
static gboolean gst_funnel_src_event (GstPad * pad, GstEvent * event);
static GstCaps *gst_funnel_getcaps (GstPad * pad);
typedef struct
{
GstSegment segment;
} GstFunnelPadPrivate;
static void
gst_funnel_base_init (gpointer g_class)
{
@ -157,11 +199,12 @@ gst_funnel_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name)
{
GstPad *sinkpad;
GstFunnelPadPrivate *priv = g_slice_alloc0 (sizeof (GstFunnelPadPrivate));
GST_DEBUG_OBJECT (element, "requesting pad");
sinkpad = gst_pad_new_from_template (templ, name);
sinkpad = GST_PAD_CAST (g_object_new (GST_TYPE_FUNNEL_PAD,
"name", name, "direction", templ->direction, "template", templ,
NULL));
gst_pad_set_chain_function (sinkpad, GST_DEBUG_FUNCPTR (gst_funnel_chain));
gst_pad_set_event_function (sinkpad, GST_DEBUG_FUNCPTR (gst_funnel_event));
@ -170,9 +213,6 @@ gst_funnel_request_new_pad (GstElement * element, GstPadTemplate * templ,
gst_pad_set_bufferalloc_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_funnel_buffer_alloc));
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
gst_pad_set_element_private (sinkpad, priv);
gst_pad_set_active (sinkpad, TRUE);
gst_element_add_pad (element, sinkpad);
@ -184,15 +224,11 @@ static void
gst_funnel_release_pad (GstElement * element, GstPad * pad)
{
GstFunnel *funnel = GST_FUNNEL (element);
GstFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GST_DEBUG_OBJECT (funnel, "releasing pad");
gst_pad_set_active (pad, FALSE);
if (priv)
g_slice_free1 (sizeof (GstFunnelPadPrivate), priv);
gst_element_remove_pad (GST_ELEMENT_CAST (funnel), pad);
}
@ -216,7 +252,7 @@ gst_funnel_chain (GstPad * pad, GstBuffer * buffer)
{
GstFlowReturn res;
GstFunnel *funnel = GST_FUNNEL (gst_pad_get_parent (pad));
GstFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
GstEvent *event = NULL;
GstClockTime newts;
GstCaps *padcaps;
@ -224,19 +260,19 @@ gst_funnel_chain (GstPad * pad, GstBuffer * buffer)
GST_DEBUG_OBJECT (funnel, "received buffer %p", buffer);
GST_OBJECT_LOCK (funnel);
if (priv->segment.format == GST_FORMAT_UNDEFINED) {
if (fpad->segment.format == GST_FORMAT_UNDEFINED) {
GST_WARNING_OBJECT (funnel, "Got buffer without segment,"
" setting segment [0,inf[");
gst_segment_set_newsegment_full (&priv->segment, FALSE, 1.0, 1.0,
gst_segment_set_newsegment_full (&fpad->segment, FALSE, 1.0, 1.0,
GST_FORMAT_TIME, 0, -1, 0);
}
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buffer)))
gst_segment_set_last_stop (&priv->segment, priv->segment.format,
gst_segment_set_last_stop (&fpad->segment, fpad->segment.format,
GST_BUFFER_TIMESTAMP (buffer));
newts = gst_segment_to_running_time (&priv->segment,
priv->segment.format, GST_BUFFER_TIMESTAMP (buffer));
newts = gst_segment_to_running_time (&fpad->segment,
fpad->segment.format, GST_BUFFER_TIMESTAMP (buffer));
if (newts != GST_BUFFER_TIMESTAMP (buffer)) {
buffer = gst_buffer_make_metadata_writable (buffer);
GST_BUFFER_TIMESTAMP (buffer) = newts;
@ -280,7 +316,7 @@ static gboolean
gst_funnel_event (GstPad * pad, GstEvent * event)
{
GstFunnel *funnel = GST_FUNNEL (gst_pad_get_parent (pad));
GstFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
gboolean forward = TRUE;
gboolean res = TRUE;
@ -299,7 +335,7 @@ gst_funnel_event (GstPad * pad, GstEvent * event)
GST_OBJECT_LOCK (funnel);
gst_segment_set_newsegment_full (&priv->segment, update, rate, arate,
gst_segment_set_newsegment_full (&fpad->segment, update, rate, arate,
format, start, stop, time);
GST_OBJECT_UNLOCK (funnel);
@ -310,7 +346,7 @@ gst_funnel_event (GstPad * pad, GstEvent * event)
case GST_EVENT_FLUSH_STOP:
{
GST_OBJECT_LOCK (funnel);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
gst_segment_init (&fpad->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (funnel);
}
break;
@ -370,10 +406,10 @@ static void
reset_pad (gpointer data, gpointer user_data)
{
GstPad *pad = data;
GstFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
GST_OBJECT_LOCK (pad);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
gst_funnel_pad_reset (fpad);
GST_OBJECT_UNLOCK (pad);
gst_object_unref (pad);
}