mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 11:11:08 +00:00
91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/* GStreamer
|
|
* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.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 __RDT_JITTER_BUFFER_H__
|
|
#define __RDT_JITTER_BUFFER_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
typedef struct _RDTJitterBuffer RDTJitterBuffer;
|
|
typedef struct _RDTJitterBufferClass RDTJitterBufferClass;
|
|
|
|
#define RDT_TYPE_JITTER_BUFFER (rdt_jitter_buffer_get_type())
|
|
#define RDT_JITTER_BUFFER(src) (G_TYPE_CHECK_INSTANCE_CAST((src),RDT_TYPE_JITTER_BUFFER,RDTJitterBuffer))
|
|
#define RDT_JITTER_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RDT_TYPE_JITTER_BUFFER,RDTJitterBufferClass))
|
|
#define RDT_IS_JITTER_BUFFER(src) (G_TYPE_CHECK_INSTANCE_TYPE((src),RDT_TYPE_JITTER_BUFFER))
|
|
#define RDT_IS_JITTER_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RDT_TYPE_JITTER_BUFFER))
|
|
#define RDT_JITTER_BUFFER_CAST(src) ((RDTJitterBuffer *)(src))
|
|
|
|
/**
|
|
* RTPTailChanged:
|
|
* @jbuf: an #RDTJitterBuffer
|
|
* @user_data: user data specified when registering
|
|
*
|
|
* This callback will be called when the tail buffer of @jbuf changed.
|
|
*/
|
|
typedef void (*RTPTailChanged) (RDTJitterBuffer *jbuf, gpointer user_data);
|
|
|
|
#define RDT_JITTER_BUFFER_MAX_WINDOW 512
|
|
/**
|
|
* RDTJitterBuffer:
|
|
*
|
|
* A JitterBuffer in the #RTPSession
|
|
*/
|
|
struct _RDTJitterBuffer {
|
|
GObject object;
|
|
|
|
GQueue *packets;
|
|
|
|
/* for calculating skew */
|
|
GstClockTime base_time;
|
|
GstClockTime base_rtptime;
|
|
guint64 ext_rtptime;
|
|
gint64 window[RDT_JITTER_BUFFER_MAX_WINDOW];
|
|
guint window_pos;
|
|
guint window_size;
|
|
gboolean window_filling;
|
|
gint64 window_min;
|
|
gint64 skew;
|
|
gint64 prev_send_diff;
|
|
};
|
|
|
|
struct _RDTJitterBufferClass {
|
|
GObjectClass parent_class;
|
|
};
|
|
|
|
GType rdt_jitter_buffer_get_type (void);
|
|
|
|
/* managing lifetime */
|
|
RDTJitterBuffer* rdt_jitter_buffer_new (void);
|
|
|
|
void rdt_jitter_buffer_reset_skew (RDTJitterBuffer *jbuf);
|
|
|
|
gboolean rdt_jitter_buffer_insert (RDTJitterBuffer *jbuf, GstBuffer *buf,
|
|
GstClockTime time,
|
|
guint32 clock_rate,
|
|
gboolean *tail);
|
|
GstBuffer * rdt_jitter_buffer_peek (RDTJitterBuffer *jbuf);
|
|
GstBuffer * rdt_jitter_buffer_pop (RDTJitterBuffer *jbuf);
|
|
|
|
void rdt_jitter_buffer_flush (RDTJitterBuffer *jbuf);
|
|
|
|
guint rdt_jitter_buffer_num_packets (RDTJitterBuffer *jbuf);
|
|
guint32 rdt_jitter_buffer_get_ts_diff (RDTJitterBuffer *jbuf);
|
|
|
|
#endif /* __RDT_JITTER_BUFFER_H__ */
|