3 * Copyright (C) 2006 Wim Taymans <wim@fluendo.com>
4 * Copyright (C) 2008 Tristan Matthews <tristan@sat.qc.ca>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 * Alternatively, the contents of this file may be used under the
25 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
26 * which case the following provisions apply instead of the ones
29 * This library is free software; you can redistribute it and/or
30 * modify it under the terms of the GNU Library General Public
31 * License as published by the Free Software Foundation; either
32 * version 2 of the License, or (at your option) any later version.
34 * This library is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37 * Library General Public License for more details.
39 * You should have received a copy of the GNU Library General Public
40 * License along with this library; if not, write to the
41 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
42 * Boston, MA 02111-1307, USA.
45 #ifndef __GST_JACK_RING_BUFFER_H__
46 #define __GST_JACK_RING_BUFFER_H__
48 #define GST_TYPE_JACK_RING_BUFFER (gst_jack_ring_buffer_get_type())
49 #define GST_JACK_RING_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JACK_RING_BUFFER,GstJackRingBuffer))
50 #define GST_JACK_RING_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JACK_RING_BUFFER,GstJackRingBufferClass))
51 #define GST_JACK_RING_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_JACK_RING_BUFFER,GstJackRingBufferClass))
52 #define GST_JACK_RING_BUFFER_CAST(obj) ((GstJackRingBuffer *)obj)
53 #define GST_IS_JACK_RING_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JACK_RING_BUFFER))
54 #define GST_IS_JACK_RING_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JACK_RING_BUFFER))
56 typedef struct _GstJackRingBuffer GstJackRingBuffer;
57 typedef struct _GstJackRingBufferClass GstJackRingBufferClass;
59 struct _GstJackRingBuffer
61 GstAudioRingBuffer object;
68 struct _GstJackRingBufferClass
70 GstAudioRingBufferClass parent_class;
73 static void gst_jack_ring_buffer_class_init(GstJackRingBufferClass * klass);
74 static void gst_jack_ring_buffer_init(GstJackRingBuffer * ringbuffer,
75 GstJackRingBufferClass * klass);
77 static GstAudioRingBufferClass *ring_parent_class = NULL;
79 static gboolean gst_jack_ring_buffer_open_device(GstAudioRingBuffer * buf);
80 static gboolean gst_jack_ring_buffer_close_device(GstAudioRingBuffer * buf);
81 static gboolean gst_jack_ring_buffer_acquire(GstAudioRingBuffer * buf,GstAudioRingBufferSpec * spec);
82 static gboolean gst_jack_ring_buffer_release(GstAudioRingBuffer * buf);
83 static gboolean gst_jack_ring_buffer_start(GstAudioRingBuffer * buf);
84 static gboolean gst_jack_ring_buffer_pause(GstAudioRingBuffer * buf);
85 static gboolean gst_jack_ring_buffer_stop(GstAudioRingBuffer * buf);
86 static guint gst_jack_ring_buffer_delay(GstAudioRingBuffer * buf);