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93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/* GStreamer
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* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
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* Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.com>)
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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_INPUT_SELECTOR_H__
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#define __GST_INPUT_SELECTOR_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_INPUT_SELECTOR \
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(gst_input_selector_get_type())
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#define GST_INPUT_SELECTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_INPUT_SELECTOR, GstInputSelector))
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#define GST_INPUT_SELECTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_INPUT_SELECTOR, GstInputSelectorClass))
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#define GST_IS_INPUT_SELECTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_INPUT_SELECTOR))
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#define GST_IS_INPUT_SELECTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_INPUT_SELECTOR))
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typedef struct _GstInputSelector GstInputSelector;
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typedef struct _GstInputSelectorClass GstInputSelectorClass;
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#define GST_INPUT_SELECTOR_GET_LOCK(sel) (&((GstInputSelector*)(sel))->lock)
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#define GST_INPUT_SELECTOR_GET_COND(sel) (&((GstInputSelector*)(sel))->cond)
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#define GST_INPUT_SELECTOR_LOCK(sel) (g_mutex_lock (GST_INPUT_SELECTOR_GET_LOCK(sel)))
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#define GST_INPUT_SELECTOR_UNLOCK(sel) (g_mutex_unlock (GST_INPUT_SELECTOR_GET_LOCK(sel)))
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#define GST_INPUT_SELECTOR_WAIT(sel) (g_cond_wait (GST_INPUT_SELECTOR_GET_COND(sel), \
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GST_INPUT_SELECTOR_GET_LOCK(sel)))
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#define GST_INPUT_SELECTOR_BROADCAST(sel) (g_cond_broadcast (GST_INPUT_SELECTOR_GET_COND(sel)))
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/**
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* GstInputSelectorSyncMode:
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* @GST_INPUT_SELECTOR_SYNC_MODE_ACTIVE_SEGMENT: Sync using the current active segment.
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* @GST_INPUT_SELECTOR_SYNC_MODE_CLOCK: Sync using the clock.
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*
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* The different ways that input-selector can behave when in sync-streams mode.
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*/
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typedef enum {
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GST_INPUT_SELECTOR_SYNC_MODE_ACTIVE_SEGMENT,
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GST_INPUT_SELECTOR_SYNC_MODE_CLOCK
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} GstInputSelectorSyncMode;
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struct _GstInputSelector {
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GstElement element;
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GstPad *srcpad;
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GstPad *active_sinkpad;
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guint n_pads; /* number of pads */
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guint padcount; /* sequence number for pads */
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gboolean sync_streams;
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GstInputSelectorSyncMode sync_mode;
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gboolean cache_buffers;
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gboolean have_group_id;
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GMutex lock;
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GCond cond;
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gboolean blocked;
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gboolean flushing;
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};
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struct _GstInputSelectorClass {
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GstElementClass parent_class;
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gint64 (*block) (GstInputSelector *self);
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};
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G_GNUC_INTERNAL GType gst_input_selector_get_type (void);
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G_END_DECLS
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#endif /* __GST_INPUT_SELECTOR_H__ */
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