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3e8e0a7065
This property avoids not linked error when all the pads are unlinked or when there are no source pads. This is useful in dynamic pipelines where it can happen that for a short time there are no pads at all or all downstream pads are not linked yet. https://bugzilla.gnome.org/show_bug.cgi?id=746436
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gsttee.h: Header for GstTee element
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_TEE_H__
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#define __GST_TEE_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_TEE \
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(gst_tee_get_type())
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#define GST_TEE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TEE,GstTee))
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#define GST_TEE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TEE,GstTeeClass))
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#define GST_IS_TEE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TEE))
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#define GST_IS_TEE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TEE))
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#define GST_TEE_CAST(obj) ((GstTee*) obj)
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typedef struct _GstTee GstTee;
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typedef struct _GstTeeClass GstTeeClass;
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/**
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* GstTeePullMode:
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* @GST_TEE_PULL_MODE_NEVER: Never activate in pull mode.
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* @GST_TEE_PULL_MODE_SINGLE: Only one src pad can be active in pull mode.
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*
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* The different ways that tee can behave in pull mode. @TEE_PULL_MODE_NEVER
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* disables pull mode.
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*/
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typedef enum {
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GST_TEE_PULL_MODE_NEVER,
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GST_TEE_PULL_MODE_SINGLE,
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} GstTeePullMode;
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/**
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* GstTee:
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*
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* Opaque #GstTee data structure.
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*/
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struct _GstTee {
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GstElement element;
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/*< private >*/
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GstPad *sinkpad;
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GstPad *allocpad;
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GHashTable *pad_indexes;
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guint next_pad_index;
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gboolean has_chain;
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gboolean silent;
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gchar *last_message;
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GstPadMode sink_mode;
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GstTeePullMode pull_mode;
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GstPad *pull_pad;
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gboolean allow_not_linked;
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};
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struct _GstTeeClass {
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GstElementClass parent_class;
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};
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G_GNUC_INTERNAL GType gst_tee_get_type (void);
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G_END_DECLS
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#endif /* __GST_TEE_H__ */
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