mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-19 00:01:23 +00:00
141 lines
3.6 KiB
Text
141 lines
3.6 KiB
Text
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%header{
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#include <gst/gst.h>
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#include "gst-identity2.h"
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#include "gst-identity2-private.h"
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%}
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class Gst:Identity2 from Gst:Element {
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/* plugin init */
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private gboolean
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plugin_init (GModule *module, GstPlugin *plugin)
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{
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static GstElementDetails identity2_details = {
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"GOB Identity",
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"Filter/Effect",
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"Does nothing",
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"1.0",
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"Wim Taymans <wim.taymans@chello.be>",
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"(C) 2001",
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};
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GstElementFactory *factory;
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factory = gst_elementfactory_new ("identity2", TYPE_SELF,
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&identity2_details);
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g_return_val_if_fail (factory != NULL, FALSE);
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gst_plugin_add_feature (plugin, &(factory->feature));
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return TRUE;
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}
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/* pads FIXME gob oculd be improved here */
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private GstPad *sinkpad =
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{
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gst_pad_new ("sink", GST_PAD_SINK);
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gst_element_add_pad (GST_ELEMENT (o), o->_priv->sinkpad);
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gst_pad_set_chain_function (o->_priv->sinkpad, chain);
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gst_pad_set_bufferpool_function (o->_priv->sinkpad, get_bufferpool);
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//gst_pad_set_negotiate_function (o->_priv->sinkpad, negotiate_sink);
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};
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private GstPad *srcpad =
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{
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gst_pad_new ("src", GST_PAD_SRC);
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gst_element_add_pad (GST_ELEMENT (o), o->_priv->srcpad);
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//gst_pad_set_negotiate_function (o->_priv->srcpad, negotiate_src);
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};
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/* arguments */
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/*
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private gboolean loop_based = FALSE; argument BOOL loop_based
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get {
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ARG = self->_priv->loop_based;
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}
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set {
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self->_priv->loop_based = ARG;
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if (self->_priv->loop_based) {
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gst_element_set_loop_function (GST_ELEMENT (self), loop);
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gst_pad_set_chain_function (self->_priv->sinkpad, NULL);
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}
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else {
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gst_pad_set_chain_function (self->_priv->sinkpad, chain);
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gst_element_set_loop_function (GST_ELEMENT (self), NULL);
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}
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};*/
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private guint sleep_time = 0; argument UINT sleep_time link;
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private gboolean silent = FALSE; argument BOOL silent link;
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/* signals */
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private signal last NONE(NONE) void handoff(self);
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/* core code here */
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private GstBufferPool*
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get_bufferpool (GstPad *pad (check null))
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{
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Self *self = SELF (gst_pad_get_parent (pad));
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return gst_pad_get_bufferpool (self->_priv->srcpad);
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}
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/* private GstPadNegotiateReturn
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negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
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{
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Self *self = SELF (gst_pad_get_parent (pad));
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return gst_pad_negotiate_proxy (pad, self->_priv->sinkpad, caps);
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}
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private GstPadNegotiateReturn
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negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
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{
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Self *self = SELF (gst_pad_get_parent (pad));
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return gst_pad_negotiate_proxy (pad, self->_priv->srcpad, caps);
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} */
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private void
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chain (GstPad *pad (check null), GstBuffer *buf (check null))
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{
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Self *self;
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self = SELF (gst_pad_get_parent (pad));
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if (!self->_priv->silent)
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g_print("identity2: chain ******* (%s:%s)i \n",GST_DEBUG_PAD_NAME(pad));
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handoff (self);
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gst_pad_push (self->_priv->srcpad, buf);
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if (self->_priv->sleep_time)
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usleep (self->_priv->sleep_time);
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}
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/*private void
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loop (GstElement *element (check null))
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{
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Self *self = SELF (element);
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GstBuffer *buf;
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do {
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buf = gst_pad_pull (self->_priv->sinkpad);
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g_print("identity2: loop ******* (%s:%s)i \n",GST_DEBUG_PAD_NAME(self->_priv->sinkpad));
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handoff (self);
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gst_pad_push (self->_priv->srcpad, buf);
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if (self->_priv->sleep_time)
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usleep (self->_priv->sleep_time);
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} while (!GST_ELEMENT_IS_COTHREAD_STOPPING(element));
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}*/
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}
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%{
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"identity2",
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gst_identity2_plugin_init
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};
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%}
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