mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-11 19:06:33 +00:00
cd798a0a52
This adds properties to use the clock time for deciding when to drop buffers for inactive pads and a property to buffer all not rendered buffers for the active pad to allow pad switching without losing any buffers at all.
96 lines
3.3 KiB
C
96 lines
3.3 KiB
C
/* GStreamer
|
|
* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
|
|
* Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
|
* Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_INPUT_SELECTOR_H__
|
|
#define __GST_INPUT_SELECTOR_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_INPUT_SELECTOR \
|
|
(gst_input_selector_get_type())
|
|
#define GST_INPUT_SELECTOR(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_INPUT_SELECTOR, GstInputSelector))
|
|
#define GST_INPUT_SELECTOR_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_INPUT_SELECTOR, GstInputSelectorClass))
|
|
#define GST_IS_INPUT_SELECTOR(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_INPUT_SELECTOR))
|
|
#define GST_IS_INPUT_SELECTOR_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_INPUT_SELECTOR))
|
|
|
|
typedef struct _GstInputSelector GstInputSelector;
|
|
typedef struct _GstInputSelectorClass GstInputSelectorClass;
|
|
|
|
#define GST_INPUT_SELECTOR_GET_LOCK(sel) (((GstInputSelector*)(sel))->lock)
|
|
#define GST_INPUT_SELECTOR_GET_COND(sel) (((GstInputSelector*)(sel))->cond)
|
|
#define GST_INPUT_SELECTOR_LOCK(sel) (g_mutex_lock (GST_INPUT_SELECTOR_GET_LOCK(sel)))
|
|
#define GST_INPUT_SELECTOR_UNLOCK(sel) (g_mutex_unlock (GST_INPUT_SELECTOR_GET_LOCK(sel)))
|
|
#define GST_INPUT_SELECTOR_WAIT(sel) (g_cond_wait (GST_INPUT_SELECTOR_GET_COND(sel), \
|
|
GST_INPUT_SELECTOR_GET_LOCK(sel)))
|
|
#define GST_INPUT_SELECTOR_BROADCAST(sel) (g_cond_broadcast (GST_INPUT_SELECTOR_GET_COND(sel)))
|
|
|
|
/**
|
|
* GstInputSelectorSyncMode:
|
|
* @GST_INPUT_SELECTOR_SYNC_MODE_ACTIVE_SEGMENT: Sync using the current active segment.
|
|
* @GST_INPUT_SELECTOR_SYNC_MODE_CLOCK: Sync using the clock.
|
|
*
|
|
* The different ways that input-selector can behave when in sync-streams mode.
|
|
*/
|
|
typedef enum {
|
|
GST_INPUT_SELECTOR_SYNC_MODE_ACTIVE_SEGMENT,
|
|
GST_INPUT_SELECTOR_SYNC_MODE_CLOCK
|
|
} GstInputSelectorSyncMode;
|
|
|
|
struct _GstInputSelector {
|
|
GstElement element;
|
|
|
|
GstPad *srcpad;
|
|
|
|
GstPad *active_sinkpad;
|
|
guint n_pads;
|
|
guint padcount;
|
|
gboolean sync_streams;
|
|
GstInputSelectorSyncMode sync_mode;
|
|
gboolean cache_buffers;
|
|
|
|
GstSegment segment; /* the output segment */
|
|
gboolean pending_close; /* if we should push a close first */
|
|
|
|
GMutex *lock;
|
|
GCond *cond;
|
|
gboolean blocked;
|
|
gboolean flushing;
|
|
};
|
|
|
|
struct _GstInputSelectorClass {
|
|
GstElementClass parent_class;
|
|
|
|
gint64 (*block) (GstInputSelector *self);
|
|
void (*switch_) (GstInputSelector *self, GstPad *pad,
|
|
gint64 stop_time, gint64 start_time);
|
|
};
|
|
|
|
GType gst_input_selector_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_INPUT_SELECTOR_H__ */
|