mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
5194aac11a
Original commit message from CVS: Don't sleep on the bench (system clock) when you have a nice comfortable bed (Gstreamer clock) to sleep on.
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/* GStreamer
|
|
* Copyright (C) <2005> Philippe Khalaf <burger@speedy.org>
|
|
*
|
|
* 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_BASE_RTP_DEPAYLOAD_H__
|
|
#define __GST_BASE_RTP_DEPAYLOAD_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/rtp/gstrtpbuffer.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* #define's don't like whitespacey bits */
|
|
#define GST_TYPE_BASE_RTP_DEPAYLOAD (gst_base_rtp_depayload_get_type())
|
|
#define GST_BASE_RTP_DEPAYLOAD(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_RTP_DEPAYLOAD,GstBaseRTPDepayload))
|
|
#define GST_BASE_RTP_DEPAYLOAD_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_RTP_DEPAYLOAD,GstBaseRTPDepayload))
|
|
#define GST_BASE_RTP_DEPAYLOAD_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_BASE_RTP_DEPAYLOAD,GstBaseRTPDepayloadClass))
|
|
#define GST_IS_BASE_RTP_DEPAYLOAD(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_RTP_DEPAYLOAD))
|
|
#define GST_IS_BASE_RTP_DEPAYLOAD_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_RTP_DEPAYLOAD))
|
|
|
|
#define GST_BASE_RTP_DEPAYLOAD_SINKPAD(depayload) (GST_BASE_RTP_DEPAYLOAD (depayload)->sinkpad)
|
|
#define GST_BASE_RTP_DEPAYLOAD_SRCPAD(depayload) (GST_BASE_RTP_DEPAYLOAD (depayload)->srcpad)
|
|
|
|
/* in milliseconds */
|
|
#define RTP_QUEUE_DELAY 100;
|
|
|
|
#define QUEUE_LOCK_INIT(base) (g_static_rec_mutex_init(&base->queuelock))
|
|
#define QUEUE_LOCK_FREE(base) (g_static_rec_mutex_free(&base->queuelock))
|
|
#define QUEUE_LOCK(base) (g_static_rec_mutex_lock(&base->queuelock))
|
|
#define QUEUE_UNLOCK(base) (g_static_rec_mutex_unlock(&base->queuelock))
|
|
|
|
typedef struct _GstBaseRTPDepayload GstBaseRTPDepayload;
|
|
typedef struct _GstBaseRTPDepayloadClass GstBaseRTPDepayloadClass;
|
|
|
|
struct _GstBaseRTPDepayload
|
|
{
|
|
GstElement parent;
|
|
|
|
GstPad *sinkpad, *srcpad;
|
|
|
|
/* lock to protect the queue */
|
|
GStaticRecMutex queuelock;
|
|
|
|
gboolean thread_running;
|
|
/* the releaser thread */
|
|
GThread *thread;
|
|
|
|
/* this attribute must be set by the child */
|
|
guint clock_rate;
|
|
|
|
/* this value can be modified by the child if needed */
|
|
guint queue_delay;
|
|
|
|
/* we will queue up to RTP_QUEUEDELAY ms of packets,
|
|
* reordering them if necessary
|
|
* dropping any packets that are more than
|
|
* RTP_QUEUEDELAY ms late
|
|
*/
|
|
GQueue *queue;
|
|
|
|
GstClock *clock;
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
struct _GstBaseRTPDepayloadClass
|
|
{
|
|
GstElementClass parent_class;
|
|
|
|
/* virtuals */
|
|
gboolean (*set_caps) (GstBaseRTPDepayload *filter, GstCaps *caps);
|
|
|
|
/* non-pure function, default implementation in base class
|
|
* this does buffering, reordering and dropping
|
|
*/
|
|
GstFlowReturn (*add_to_queue) (GstBaseRTPDepayload *filter, GstBuffer *in);
|
|
|
|
/* pure virtual function, child must use this to process incoming
|
|
* rtp packets
|
|
*/
|
|
GstBuffer * (*process) (GstBaseRTPDepayload *base, GstBuffer *in);
|
|
|
|
/* non-pure function used to convert from RTP timestamp to GST timestamp
|
|
* this function is used by the child class before gst_pad_pushing
|
|
*/
|
|
void (*set_gst_timestamp) (GstBaseRTPDepayload *filter, guint32 timestamp, GstBuffer *buf);
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GType gst_base_rtp_depayload_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_BASE_RTP_DEPAYLOAD_H__ */
|