--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.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 St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * SECTION:element-errorignore
+ *
+ * Passes through all packets, until it encounters GST_FLOW_ERROR or
+ * GST_FLOW_NOT_NEGOTIATED (configurable). At that point it will unref the
+ * buffers and return GST_FLOW_OK (configurable) - until the next
+ * READY_TO_PAUSED, RECONFIGURE or FLUSH_STOP.
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch-1.0 videotestsrc ! errorignore ! autovideosink
+ * ]|
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gsterrorignore.h"
+
+#define GST_CAT_DEFAULT gst_error_ignore_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+enum
+{
+ PROP_0,
+ PROP_IGNORE_ERROR,
+ PROP_IGNORE_NOTLINKED,
+ PROP_IGNORE_NOTNEGOTIATED,
+ PROP_CONVERT_TO
+};
+
+static void gst_error_ignore_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_error_ignore_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+#define parent_class gst_error_ignore_parent_class
+G_DEFINE_TYPE (GstErrorIgnore, gst_error_ignore, GST_TYPE_ELEMENT);
+
+static GstFlowReturn gst_error_ignore_sink_chain (GstPad * pad,
+ GstObject * parent, GstBuffer * inbuf);
+static gboolean gst_error_ignore_sink_event (GstPad * pad, GstObject * parent,
+ GstEvent * event);
+static GstStateChangeReturn gst_error_ignore_change_state (GstElement * element,
+ GstStateChange transition);
+
+static void
+gst_error_ignore_class_init (GstErrorIgnoreClass * klass)
+{
+ GstElementClass *gstelement_class;
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ GST_DEBUG_CATEGORY_INIT (gst_error_ignore_debug, "errorignore", 0,
+ "Convert some GstFlowReturn types into others");
+
+ gstelement_class = (GstElementClass *) klass;
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "Convert some GstFlowReturn types into others", "Generic",
+ "Pass through all packets but ignore some GstFlowReturn types",
+ "Vivia Nikolaidou <vivia@toolsonair.com>");
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&src_template));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sink_template));
+
+ gstelement_class->change_state = gst_error_ignore_change_state;
+
+ /* define virtual function pointers */
+ object_class->set_property = gst_error_ignore_set_property;
+ object_class->get_property = gst_error_ignore_get_property;
+
+ /* define properties */
+ g_object_class_install_property (object_class, PROP_IGNORE_ERROR,
+ g_param_spec_boolean ("ignore-error", "Ignore GST_FLOW_ERROR",
+ "Whether to ignore GST_FLOW_ERROR",
+ TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (object_class, PROP_IGNORE_NOTLINKED,
+ g_param_spec_boolean ("ignore-notlinked", "Ignore GST_FLOW_NOT_LINKED",
+ "Whether to ignore GST_FLOW_NOT_LINKED",
+ FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (object_class, PROP_IGNORE_NOTNEGOTIATED,
+ g_param_spec_boolean ("ignore-notnegotiated",
+ "Ignore GST_FLOW_NOT_NEGOTIATED",
+ "Whether to ignore GST_FLOW_NOT_NEGOTIATED",
+ TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (object_class, PROP_CONVERT_TO,
+ g_param_spec_enum ("convert-to", "GstFlowReturn to convert to",
+ "Which GstFlowReturn value we should convert to when ignoring",
+ GST_TYPE_FLOW_RETURN,
+ GST_FLOW_NOT_LINKED, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+}
+
+static void
+gst_error_ignore_init (GstErrorIgnore * self)
+{
+ self->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
+ gst_pad_set_chain_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_error_ignore_sink_chain));
+ gst_pad_set_event_function (self->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_error_ignore_sink_event));
+ GST_PAD_SET_PROXY_ALLOCATION (self->sinkpad);
+ GST_PAD_SET_PROXY_CAPS (self->sinkpad);
+ GST_PAD_SET_PROXY_SCHEDULING (self->sinkpad);
+ gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
+
+ self->srcpad = gst_pad_new_from_static_template (&src_template, "src");
+ gst_pad_use_fixed_caps (self->srcpad);
+ GST_PAD_SET_PROXY_ALLOCATION (self->srcpad);
+ GST_PAD_SET_PROXY_CAPS (self->srcpad);
+ GST_PAD_SET_PROXY_SCHEDULING (self->srcpad);
+ gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
+
+ self->keep_pushing = TRUE;
+ self->ignore_error = TRUE;
+ self->ignore_notlinked = FALSE;
+ self->ignore_notnegotiated = TRUE;
+ self->convert_to = GST_FLOW_NOT_LINKED;
+}
+
+static void
+gst_error_ignore_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstErrorIgnore *self = GST_ERROR_IGNORE (object);
+
+ switch (prop_id) {
+ case PROP_IGNORE_ERROR:
+ self->ignore_error = g_value_get_boolean (value);
+ break;
+ case PROP_IGNORE_NOTLINKED:
+ self->ignore_notlinked = g_value_get_boolean (value);
+ break;
+ case PROP_IGNORE_NOTNEGOTIATED:
+ self->ignore_notnegotiated = g_value_get_boolean (value);
+ break;
+ case PROP_CONVERT_TO:
+ self->convert_to = g_value_get_enum (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_error_ignore_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstErrorIgnore *self = GST_ERROR_IGNORE (object);
+
+ switch (prop_id) {
+ case PROP_IGNORE_ERROR:
+ g_value_set_boolean (value, self->ignore_error);
+ break;
+ case PROP_IGNORE_NOTLINKED:
+ g_value_set_boolean (value, self->ignore_notlinked);
+ break;
+ case PROP_IGNORE_NOTNEGOTIATED:
+ g_value_set_boolean (value, self->ignore_notnegotiated);
+ break;
+ case PROP_CONVERT_TO:
+ g_value_set_enum (value, self->convert_to);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_error_ignore_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+ GstErrorIgnore *self = GST_ERROR_IGNORE (parent);
+ gboolean ret;
+
+ GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_FLUSH_STOP:
+ self->keep_pushing = TRUE;
+ /* fall through */
+ default:
+ ret = gst_pad_event_default (pad, parent, event);
+ break;
+ }
+
+ return ret;
+}
+
+static GstFlowReturn
+gst_error_ignore_sink_chain (GstPad * pad, GstObject * parent,
+ GstBuffer * inbuf)
+{
+ GstErrorIgnore *self = GST_ERROR_IGNORE (parent);
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ if (gst_pad_check_reconfigure (pad))
+ self->keep_pushing = TRUE;
+
+ if (self->keep_pushing) {
+ ret = gst_pad_push (self->srcpad, inbuf);
+ self->keep_pushing = (ret == GST_FLOW_OK);
+ } else {
+ gst_buffer_unref (inbuf);
+ }
+
+ if ((ret == GST_FLOW_ERROR && self->ignore_error) ||
+ (ret == GST_FLOW_NOT_LINKED && self->ignore_notlinked) ||
+ (ret == GST_FLOW_NOT_NEGOTIATED && self->ignore_notnegotiated))
+ return self->convert_to;
+ else
+ return ret;
+}
+
+static GstStateChangeReturn
+gst_error_ignore_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+ GstErrorIgnore *self = GST_ERROR_IGNORE (element);
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+ if (ret == GST_STATE_CHANGE_FAILURE)
+ return ret;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ self->keep_pushing = TRUE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.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 St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_ERROR_IGNORE_H__
+#define __GST_ERROR_IGNORE_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_ERROR_IGNORE (gst_error_ignore_get_type())
+#define GST_ERROR_IGNORE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ERROR_IGNORE,GstErrorIgnore))
+#define GST_IS_ERROR_IGNORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ERROR_IGNORE))
+#define GST_ERROR_IGNORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_ERROR_IGNORE,GstErrorIgnoreClass))
+#define GST_IS_ERROR_IGNORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_ERROR_IGNORE))
+#define GST_ERROR_IGNORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_ERROR_IGNORE,GstErrorIgnoreClass))
+
+typedef struct _GstErrorIgnore GstErrorIgnore;
+typedef struct _GstErrorIgnoreClass GstErrorIgnoreClass;
+
+struct _GstErrorIgnore {
+ GstElement parent;
+
+ GstPad *srcpad, *sinkpad;
+
+ gboolean keep_pushing;
+ gboolean ignore_error;
+ gboolean ignore_notlinked;
+ gboolean ignore_notnegotiated;
+ GstFlowReturn convert_to;
+};
+
+struct _GstErrorIgnoreClass {
+ GstElementClass parent_class;
+};
+
+GType gst_error_ignore_get_type (void);
+
+gboolean gst_error_ignore_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_ERROR_IGNORE_H__ */
projects / platform / upstream / gstreamer.git / commitdiff