AG_GST_CHECK_PLUGIN(onvif)
AG_GST_CHECK_PLUGIN(pcapparse)
AG_GST_CHECK_PLUGIN(pnm)
-AG_GST_CHECK_PLUGIN(proxy)
AG_GST_CHECK_PLUGIN(rawparse)
AG_GST_CHECK_PLUGIN(removesilence)
AG_GST_CHECK_PLUGIN(sdp)
gst/onvif/Makefile
gst/pcapparse/Makefile
gst/pnm/Makefile
-gst/proxy/Makefile
gst/rawparse/Makefile
gst/removesilence/Makefile
gst/sdp/Makefile
subdir('onvif')
subdir('pcapparse')
subdir('pnm')
-subdir('proxy')
subdir('rawparse')
subdir('removesilence')
subdir('sdp')
+++ /dev/null
-plugin_LTLIBRARIES = libgstproxy.la
-
-libgstproxy_la_SOURCES = gstproxy.c gstproxysink.c gstproxysrc.c
-
-libgstproxy_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
-libgstproxy_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS)
-libgstproxy_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-
-noinst_HEADERS = gstproxysink.h gstproxysink-priv.h gstproxysrc.h gstproxysrc-priv.h
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
- * Boston, MA 02110-1335, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstproxysrc.h"
-#include "gstproxysink.h"
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- gst_element_register (plugin, "proxysrc", GST_RANK_NONE, GST_TYPE_PROXY_SRC);
- gst_element_register (plugin, "proxysink", GST_RANK_NONE,
- GST_TYPE_PROXY_SINK);
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- proxy,
- "plugin for proxied inter-pipeline communication",
- plugin_init, VERSION, "LGPL", "gstproxy", "http://centricular.com")
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-#ifndef __GST_PROXY_SINK_PRIV_H__
-#define __GST_PROXY_SINK_PRIV_H__
-
-#include "gstproxysrc.h"
-
-G_BEGIN_DECLS
-
-void gst_proxy_sink_set_proxysrc (GstProxySink *sink, GstProxySrc *src);
-
-GstPad* gst_proxy_sink_get_internal_sinkpad (GstProxySink *sink);
-
-G_END_DECLS
-
-#endif /* __GST_PROXY_SINK_PRIV_H__ */
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-/**
- * SECTION:element-proxysink
- *
- * Proxysink is a sink element that proxies events, queries, and buffers to
- * another pipeline that contains a matching proxysrc element. The purpose is
- * to allow two decoupled pipelines to function as though they are one without
- * having to manually shuttle buffers, events, queries, etc between the two.
- *
- * This element also copies sticky events onto the matching proxysrc element.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include "gstproxysink.h"
-#include "gstproxysink-priv.h"
-#include "gstproxysrc.h"
-#include "gstproxysrc-priv.h"
-
-#define GST_CAT_DEFAULT gst_proxy_sink_debug
-GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
-
-static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
-
-struct _GstProxySinkPrivate
-{
- GstPad *sinkpad;
- /* The proxysrc that we push events, buffers, queries to */
- GWeakRef proxysrc;
- /* Whether there are sticky events pending */
- gboolean pending_sticky_events;
-};
-
-/* We're not subclassing from basesink because we don't want any of the special
- * handling it has for events/queries/etc. We just pass-through everything. */
-
-/* Unlink proxysrc, we don't contain any elements so our parent is GstElement */
-#define parent_class gst_proxy_sink_parent_class
-G_DEFINE_TYPE (GstProxySink, gst_proxy_sink, GST_TYPE_ELEMENT);
-
-static gboolean gst_proxy_sink_sink_query (GstPad * pad, GstObject * parent,
- GstQuery * query);
-static GstFlowReturn gst_proxy_sink_sink_chain (GstPad * pad,
- GstObject * parent, GstBuffer * buffer);
-static GstFlowReturn gst_proxy_sink_sink_chain_list (GstPad * pad,
- GstObject * parent, GstBufferList * list);
-static gboolean gst_proxy_sink_sink_event (GstPad * pad, GstObject * parent,
- GstEvent * event);
-
-static GstStateChangeReturn gst_proxy_sink_change_state (GstElement * element,
- GstStateChange transition);
-
-static void
-gst_proxy_sink_class_init (GstProxySinkClass * klass)
-{
- GstElementClass *gstelement_class = (GstElementClass *) klass;
-
- GST_DEBUG_CATEGORY_INIT (gst_proxy_sink_debug, "proxysink", 0, "proxy sink");
-
- g_type_class_add_private (klass, sizeof (GstProxySinkPrivate));
-
- gstelement_class->change_state = gst_proxy_sink_change_state;
-
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&sink_template));
-
- gst_element_class_set_static_metadata (gstelement_class, "Proxy Sink",
- "Sink", "Proxy source for internal process communication",
- "Sebastian Dröge <sebastian@centricular.com>");
-}
-
-static void
-gst_proxy_sink_init (GstProxySink * self)
-{
- self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GST_TYPE_PROXY_SINK,
- GstProxySinkPrivate);
- self->priv->sinkpad =
- gst_pad_new_from_static_template (&sink_template, "sink");
- gst_pad_set_chain_function (self->priv->sinkpad,
- GST_DEBUG_FUNCPTR (gst_proxy_sink_sink_chain));
- gst_pad_set_chain_list_function (self->priv->sinkpad,
- GST_DEBUG_FUNCPTR (gst_proxy_sink_sink_chain_list));
- gst_pad_set_event_function (self->priv->sinkpad,
- GST_DEBUG_FUNCPTR (gst_proxy_sink_sink_event));
- gst_pad_set_query_function (self->priv->sinkpad,
- GST_DEBUG_FUNCPTR (gst_proxy_sink_sink_query));
- gst_element_add_pad (GST_ELEMENT (self), self->priv->sinkpad);
-}
-
-static GstStateChangeReturn
-gst_proxy_sink_change_state (GstElement * element, GstStateChange transition)
-{
- GstElementClass *gstelement_class =
- GST_ELEMENT_CLASS (gst_proxy_sink_parent_class);
- GstProxySink *self = GST_PROXY_SINK (element);
- GstStateChangeReturn ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- self->priv->pending_sticky_events = FALSE;
- break;
- default:
- break;
- }
-
- ret = gstelement_class->change_state (element, transition);
-
- return ret;
-}
-
-static gboolean
-gst_proxy_sink_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
-{
- GstProxySink *self = GST_PROXY_SINK (parent);
- GstProxySrc *src;
- gboolean ret = FALSE;
-
- GST_LOG_OBJECT (pad, "Handling query of type '%s'",
- gst_query_type_get_name (GST_QUERY_TYPE (query)));
-
- src = g_weak_ref_get (&self->priv->proxysrc);
- if (src) {
- GstPad *srcpad;
- srcpad = gst_proxy_src_get_internal_srcpad (src);
-
- ret = gst_pad_peer_query (srcpad, query);
- gst_object_unref (srcpad);
- gst_object_unref (src);
- }
-
- return ret;
-}
-
-typedef struct
-{
- GstPad *otherpad;
- GstFlowReturn ret;
-} CopyStickyEventsData;
-
-static gboolean
-copy_sticky_events (G_GNUC_UNUSED GstPad * pad, GstEvent ** event,
- gpointer user_data)
-{
- CopyStickyEventsData *data = user_data;
-
- data->ret = gst_pad_store_sticky_event (data->otherpad, *event);
-
- return data->ret == GST_FLOW_OK;
-}
-
-static gboolean
-gst_proxy_sink_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
-{
- GstProxySink *self = GST_PROXY_SINK (parent);
- GstProxySrc *src;
- gboolean ret = FALSE;
- gboolean sticky = GST_EVENT_IS_STICKY (event);
-
- GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
-
- if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP)
- self->priv->pending_sticky_events = FALSE;
-
- src = g_weak_ref_get (&self->priv->proxysrc);
- if (src) {
- GstPad *srcpad;
- srcpad = gst_proxy_src_get_internal_srcpad (src);
-
- if (sticky && self->priv->pending_sticky_events) {
- CopyStickyEventsData data = { srcpad, GST_FLOW_OK };
-
- gst_pad_sticky_events_foreach (pad, copy_sticky_events, &data);
- self->priv->pending_sticky_events = data.ret != GST_FLOW_OK;
- }
-
- ret = gst_pad_push_event (srcpad, event);
- gst_object_unref (srcpad);
- gst_object_unref (src);
-
- if (!ret && sticky) {
- self->priv->pending_sticky_events = TRUE;
- ret = TRUE;
- }
- } else
- gst_event_unref (event);
-
- return ret;
-}
-
-static GstFlowReturn
-gst_proxy_sink_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
-{
- GstProxySink *self = GST_PROXY_SINK (parent);
- GstProxySrc *src;
- GstFlowReturn ret = GST_FLOW_OK;
-
- GST_LOG_OBJECT (pad, "Chaining buffer %p", buffer);
-
- src = g_weak_ref_get (&self->priv->proxysrc);
- if (src) {
- GstPad *srcpad;
- srcpad = gst_proxy_src_get_internal_srcpad (src);
-
- if (self->priv->pending_sticky_events) {
- CopyStickyEventsData data = { srcpad, GST_FLOW_OK };
-
- gst_pad_sticky_events_foreach (pad, copy_sticky_events, &data);
- self->priv->pending_sticky_events = data.ret != GST_FLOW_OK;
- }
-
- ret = gst_pad_push (srcpad, buffer);
- gst_object_unref (srcpad);
- gst_object_unref (src);
-
- GST_LOG_OBJECT (pad, "Chained buffer %p: %s", buffer,
- gst_flow_get_name (ret));
- } else {
- gst_buffer_unref (buffer);
- GST_LOG_OBJECT (pad, "Dropped buffer %p: no otherpad", buffer);
- }
-
- return GST_FLOW_OK;
-}
-
-static GstFlowReturn
-gst_proxy_sink_sink_chain_list (GstPad * pad, GstObject * parent,
- GstBufferList * list)
-{
- GstProxySink *self = GST_PROXY_SINK (parent);
- GstProxySrc *src;
- GstFlowReturn ret = GST_FLOW_OK;
-
- GST_LOG_OBJECT (pad, "Chaining buffer list %p", list);
-
- src = g_weak_ref_get (&self->priv->proxysrc);
- if (src) {
- GstPad *srcpad;
- srcpad = gst_proxy_src_get_internal_srcpad (src);
-
- if (self->priv->pending_sticky_events) {
- CopyStickyEventsData data = { srcpad, GST_FLOW_OK };
-
- gst_pad_sticky_events_foreach (pad, copy_sticky_events, &data);
- self->priv->pending_sticky_events = data.ret != GST_FLOW_OK;
- }
-
- ret = gst_pad_push_list (srcpad, list);
- gst_object_unref (srcpad);
- gst_object_unref (src);
- GST_LOG_OBJECT (pad, "Chained buffer list %p: %s", list,
- gst_flow_get_name (ret));
- } else {
- gst_buffer_list_unref (list);
- GST_LOG_OBJECT (pad, "Dropped buffer list %p: no otherpad", list);
- }
-
- return GST_FLOW_OK;
-}
-
-/* Wrapper function for accessing private member
- * This can also be retrieved with gst_element_get_static_pad, but that depends
- * on the implementation of GstProxySink */
-GstPad *
-gst_proxy_sink_get_internal_sinkpad (GstProxySink * self)
-{
- g_return_val_if_fail (self, NULL);
- return gst_object_ref (self->priv->sinkpad);
-}
-
-void
-gst_proxy_sink_set_proxysrc (GstProxySink * self, GstProxySrc * src)
-{
- g_return_if_fail (self);
- g_weak_ref_set (&self->priv->proxysrc, src);
-}
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-#ifndef __GST_PROXY_SINK_H__
-#define __GST_PROXY_SINK_H__
-
-#include <gst/gst.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_PROXY_SINK (gst_proxy_sink_get_type())
-#define GST_PROXY_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_PROXY_SINK, GstProxySink))
-#define GST_IS_PROXY_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_PROXY_SINK))
-#define GST_PROXY_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_PROXY_SINK, GstProxySinkClass))
-#define GST_IS_PROXY_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_PROXY_SINK))
-#define GST_PROXY_SINK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_PROXY_SINK, GstProxySinkClass))
-
-typedef struct _GstProxySink GstProxySink;
-typedef struct _GstProxySinkClass GstProxySinkClass;
-typedef struct _GstProxySinkPrivate GstProxySinkPrivate;
-
-struct _GstProxySink {
- GstElement parent;
-
- /* < private > */
- GstProxySinkPrivate *priv;
- gpointer _gst_reserved[GST_PADDING];
-};
-
-struct _GstProxySinkClass {
- GstElementClass parent_class;
-};
-
-GType gst_proxy_sink_get_type (void);
-
-G_END_DECLS
-
-#endif /* __GST_PROXY_SINK_H__ */
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-#ifndef __GST_PROXY_SRC_PRIV_H__
-#define __GST_PROXY_SRC_PRIV_H__
-
-G_BEGIN_DECLS
-
-GstPad* gst_proxy_src_get_internal_srcpad (GstProxySrc *src);
-
-G_END_DECLS
-
-#endif /* __GST_PROXY_SRC_PRIV_H__ */
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-/**
- * SECTION:element-proxysrc
- *
- * Proxysrc is a source element that proxies events, queries, and buffers from
- * another pipeline that contains a matching proxysink element. The purpose is
- * to allow two decoupled pipelines to function as though they are one without
- * having to manually shuttle buffers, events, queries, etc between the two.
- *
- * The element queues buffers from the matching proxysink to an internal queue,
- * so everything downstream is properly decoupled from the upstream pipeline.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include "gstproxysrc.h"
-#include "gstproxysrc-priv.h"
-#include "gstproxysink.h"
-#include "gstproxysink-priv.h"
-
-#define GST_CAT_DEFAULT gst_proxy_src_debug
-GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
-
-static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
-
-enum
-{
- PROP_0,
- PROP_PROXYSINK,
-};
-
-struct _GstProxySrcPrivate
-{
- /* Queue to hold buffers from proxysink */
- GstElement *queue;
- /* Source pad of the above queue and the proxysrc element itself */
- GstPad *srcpad;
- /* Our internal srcpad that proxysink pushes buffers/events/queries into */
- GstPad *internal_srcpad;
- /* An unlinked dummy sinkpad; see gst_proxy_src_init() */
- GstPad *dummy_sinkpad;
- /* The matching proxysink; queries and events are sent to its sinkpad */
- GWeakRef proxysink;
-};
-
-/* We're not subclassing from basesrc because we don't want any of the special
- * handling it has for events/queries/etc. We just pass-through everything. */
-
-/* Our parent type is a GstBin instead of GstElement because we contain a queue
- * element */
-#define parent_class gst_proxy_src_parent_class
-G_DEFINE_TYPE (GstProxySrc, gst_proxy_src, GST_TYPE_BIN);
-
-static gboolean gst_proxy_src_internal_src_query (GstPad * pad,
- GstObject * parent, GstQuery * query);
-static gboolean gst_proxy_src_internal_src_event (GstPad * pad,
- GstObject * parent, GstEvent * event);
-
-static GstStateChangeReturn gst_proxy_src_change_state (GstElement * element,
- GstStateChange transition);
-static void gst_proxy_src_dispose (GObject * object);
-
-static void
-gst_proxy_src_get_property (GObject * object,
- guint prop_id, GValue * value, GParamSpec * spec)
-{
- GstProxySrc *self = GST_PROXY_SRC (object);
-
- switch (prop_id) {
- case PROP_PROXYSINK:
- g_value_take_object (value, g_weak_ref_get (&self->priv->proxysink));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
- break;
- }
-}
-
-static void
-gst_proxy_src_set_property (GObject * object,
- guint prop_id, const GValue * value, GParamSpec * spec)
-{
- GstProxySrc *self = GST_PROXY_SRC (object);
- GstProxySink *sink;
-
- switch (prop_id) {
- case PROP_PROXYSINK:
- sink = g_value_dup_object (value);
- if (sink == NULL) {
- /* Unset proxysrc property on the existing proxysink to break the
- * connection in that direction */
- GstProxySink *old_sink = g_weak_ref_get (&self->priv->proxysink);
- if (old_sink) {
- gst_proxy_sink_set_proxysrc (old_sink, NULL);
- g_object_unref (old_sink);
- }
- g_weak_ref_set (&self->priv->proxysink, NULL);
- } else {
- /* Set proxysrc property on the new proxysink to point to us */
- gst_proxy_sink_set_proxysrc (sink, self);
- g_weak_ref_set (&self->priv->proxysink, sink);
- g_object_unref (sink);
- }
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
- }
-}
-
-static void
-gst_proxy_src_class_init (GstProxySrcClass * klass)
-{
- GObjectClass *gobject_class = (GObjectClass *) klass;
- GstElementClass *gstelement_class = (GstElementClass *) klass;
-
- GST_DEBUG_CATEGORY_INIT (gst_proxy_src_debug, "proxysrc", 0, "proxy sink");
-
- g_type_class_add_private (klass, sizeof (GstProxySrcPrivate));
-
- gobject_class->dispose = gst_proxy_src_dispose;
-
- gobject_class->get_property = gst_proxy_src_get_property;
- gobject_class->set_property = gst_proxy_src_set_property;
-
- g_object_class_install_property (gobject_class, PROP_PROXYSINK,
- g_param_spec_object ("proxysink", "Proxysink", "Matching proxysink",
- GST_TYPE_PROXY_SINK, G_PARAM_READWRITE));
-
- gstelement_class->change_state = gst_proxy_src_change_state;
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&src_template));
-
- gst_element_class_set_static_metadata (gstelement_class, "Proxy source",
- "Source", "Proxy source for internal process communication",
- "Sebastian Dröge <sebastian@centricular.com>");
-}
-
-static void
-gst_proxy_src_init (GstProxySrc * self)
-{
- GstPad *srcpad, *sinkpad;
- GstPadTemplate *templ;
-
- GST_OBJECT_FLAG_SET (self, GST_ELEMENT_FLAG_SOURCE);
-
- self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GST_TYPE_PROXY_SRC,
- GstProxySrcPrivate);
-
- /* We feed incoming buffers into a queue to decouple the downstream pipeline
- * from the upstream pipeline */
- self->priv->queue = gst_element_factory_make ("queue", NULL);
- gst_bin_add (GST_BIN (self), self->priv->queue);
-
- srcpad = gst_element_get_static_pad (self->priv->queue, "src");
- templ = gst_static_pad_template_get (&src_template);
- self->priv->srcpad = gst_ghost_pad_new_from_template ("src", srcpad, templ);
- gst_object_unref (templ);
- gst_object_unref (srcpad);
-
- gst_element_add_pad (GST_ELEMENT (self), self->priv->srcpad);
-
- /* A dummy sinkpad that's not actually used anywhere
- * Explanation for why this is needed is below */
- self->priv->dummy_sinkpad = gst_pad_new ("dummy_sinkpad", GST_PAD_SINK);
- gst_object_set_parent (GST_OBJECT (self->priv->dummy_sinkpad),
- GST_OBJECT (self));
-
- self->priv->internal_srcpad = gst_pad_new ("internal_src", GST_PAD_SRC);
- gst_object_set_parent (GST_OBJECT (self->priv->internal_srcpad),
- GST_OBJECT (self->priv->dummy_sinkpad));
- gst_pad_set_event_function (self->priv->internal_srcpad,
- gst_proxy_src_internal_src_event);
- gst_pad_set_query_function (self->priv->internal_srcpad,
- gst_proxy_src_internal_src_query);
-
- /* We need to link internal_srcpad from proxysink to the sinkpad of our
- * queue. However, two pads can only be linked if they share a common parent.
- * Above, we set the parent of the dummy_sinkpad as proxysrc, and then we set
- * the parent of internal_srcpad as dummy_sinkpad. This causes both these pads
- * to share a parent allowing us to link them.
- * Yes, this is a hack/workaround. */
- sinkpad = gst_element_get_static_pad (self->priv->queue, "sink");
- gst_pad_link (self->priv->internal_srcpad, sinkpad);
- gst_object_unref (sinkpad);
-}
-
-static void
-gst_proxy_src_dispose (GObject * object)
-{
- GstProxySrc *self = GST_PROXY_SRC (object);
-
- gst_object_unparent (GST_OBJECT (self->priv->dummy_sinkpad));
- self->priv->dummy_sinkpad = NULL;
-
- gst_object_unparent (GST_OBJECT (self->priv->internal_srcpad));
- self->priv->internal_srcpad = NULL;
-
- g_weak_ref_set (&self->priv->proxysink, NULL);
-
- G_OBJECT_CLASS (gst_proxy_src_parent_class)->dispose (object);
-}
-
-static GstStateChangeReturn
-gst_proxy_src_change_state (GstElement * element, GstStateChange transition)
-{
- GstElementClass *gstelement_class =
- GST_ELEMENT_CLASS (gst_proxy_src_parent_class);
- GstProxySrc *self = GST_PROXY_SRC (element);
- GstStateChangeReturn ret;
-
- ret = gstelement_class->change_state (element, transition);
- if (ret == GST_STATE_CHANGE_FAILURE)
- return ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- ret = GST_STATE_CHANGE_NO_PREROLL;
- gst_pad_set_active (self->priv->internal_srcpad, TRUE);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_pad_set_active (self->priv->internal_srcpad, FALSE);
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static gboolean
-gst_proxy_src_internal_src_query (GstPad * pad, GstObject * parent,
- GstQuery * query)
-{
- GstProxySrc *self = GST_PROXY_SRC (gst_object_get_parent (parent));
- GstProxySink *sink;
- gboolean ret = FALSE;
-
- if (!self)
- return ret;
-
- GST_LOG_OBJECT (pad, "Handling query of type '%s'",
- gst_query_type_get_name (GST_QUERY_TYPE (query)));
-
- sink = g_weak_ref_get (&self->priv->proxysink);
- if (sink) {
- GstPad *sinkpad;
- sinkpad = gst_proxy_sink_get_internal_sinkpad (sink);
-
- ret = gst_pad_peer_query (sinkpad, query);
- gst_object_unref (sinkpad);
- gst_object_unref (sink);
- }
-
- gst_object_unref (self);
-
- return ret;
-}
-
-static gboolean
-gst_proxy_src_internal_src_event (GstPad * pad, GstObject * parent,
- GstEvent * event)
-{
- GstProxySrc *self = GST_PROXY_SRC (gst_object_get_parent (parent));
- GstProxySink *sink;
- gboolean ret = FALSE;
-
- if (!self)
- return ret;
-
- GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
-
- sink = g_weak_ref_get (&self->priv->proxysink);
- if (sink) {
- GstPad *sinkpad;
- sinkpad = gst_proxy_sink_get_internal_sinkpad (sink);
-
- ret = gst_pad_push_event (sinkpad, event);
- gst_object_unref (sinkpad);
- gst_object_unref (sink);
- } else
- gst_event_unref (event);
-
-
- gst_object_unref (self);
-
- return ret;
-}
-
-/* Wrapper function for accessing private member */
-GstPad *
-gst_proxy_src_get_internal_srcpad (GstProxySrc * self)
-{
- return gst_object_ref (self->priv->internal_srcpad);
-}
+++ /dev/null
-/*
- * Copyright (C) 2015 Centricular Ltd.
- * Author: Sebastian Dröge <sebastian@centricular.com>
- * Author: Nirbheek Chauhan <nirbheek@centricular.com>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-#ifndef __GST_PROXY_SRC_H__
-#define __GST_PROXY_SRC_H__
-
-#include <gst/gst.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_PROXY_SRC (gst_proxy_src_get_type())
-#define GST_PROXY_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_PROXY_SRC, GstProxySrc))
-#define GST_IS_PROXY_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_PROXY_SRC))
-#define GST_PROXY_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_PROXY_SRC, GstProxySrcClass))
-#define GST_IS_PROXY_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_PROXY_SRC))
-#define GST_PROXY_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_PROXY_SRC, GstProxySrcClass))
-
-typedef struct _GstProxySrc GstProxySrc;
-typedef struct _GstProxySrcClass GstProxySrcClass;
-typedef struct _GstProxySrcPrivate GstProxySrcPrivate;
-
-struct _GstProxySrc {
- GstBin parent;
-
- /* < private > */
- GstProxySrcPrivate *priv;
- gpointer _gst_reserved[GST_PADDING];
-};
-
-struct _GstProxySrcClass {
- GstBinClass parent_class;
-};
-
-GType gst_proxy_src_get_type(void);
-
-G_END_DECLS
-
-#endif /* __GST_PROXY_SRC_H__ */
+++ /dev/null
-proxy_sources = [
- 'gstproxy.c',
- 'gstproxysink.c',
- 'gstproxysrc.c'
-]
-
-gstproxy = library('gstproxy',
- proxy_sources,
- c_args : gst_plugins_bad_args,
- include_directories : [configinc],
- dependencies : [gstbase_dep],
- install : true,
- install_dir : plugins_install_dir,
-)
projects / platform / upstream / gstreamer.git / commitdiff