aboutsummaryrefslogtreecommitdiff
path: root/ext/pulse/pulsesink.h
blob: 26e999792200cc0af3dc301c6346ac8b96944723 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*-*- Mode: C; c-basic-offset: 2 -*-*/

/*
 *  GStreamer pulseaudio plugin
 *
 *  Copyright (c) 2004-2008 Lennart Poettering
 *
 *  gst-pulse is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as
 *  published by the Free Software Foundation; either version 2.1 of the
 *  License, or (at your option) any later version.
 *
 *  gst-pulse 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with gst-pulse; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 *  USA.
 */

#ifndef __GST_PULSESINK_H__
#define __GST_PULSESINK_H__

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <gst/audio/gstaudiosink.h>

#include <pulse/pulseaudio.h>
#include <pulse/thread-mainloop.h>

#include "pulseprobe.h"

G_BEGIN_DECLS

#define GST_TYPE_PULSESINK \
  (gst_pulsesink_get_type())
#define GST_PULSESINK(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PULSESINK,GstPulseSink))
#define GST_PULSESINK_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PULSESINK,GstPulseSinkClass))
#define GST_IS_PULSESINK(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PULSESINK))
#define GST_IS_PULSESINK_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PULSESINK))
#define GST_PULSESINK_CAST(obj) \
  ((GstPulseSink *)(obj))

typedef struct _GstPulseSink GstPulseSink;
typedef struct _GstPulseSinkClass GstPulseSinkClass;

typedef struct _GstPulseDeviceInfo {
  gchar *description;
  GList *formats;
} GstPulseDeviceInfo;

struct _GstPulseSink
{
  GstAudioBaseSink sink;

  gchar *server, *device, *stream_name, *client_name;
  GstPulseDeviceInfo device_info;

  GstPulseProbe *probe;

  gdouble volume;
  gboolean volume_set:1;
  gboolean mute:1;
  gboolean mute_set:1;

  guint defer_pending;

  gint notify; /* atomic */

  const gchar *pa_version;

  GstStructure *properties;
  pa_proplist *proplist;

  volatile gint format_lost;
  GstClockTime format_lost_time;
};

struct _GstPulseSinkClass
{
  GstAudioBaseSinkClass parent_class;
};

GType gst_pulsesink_get_type (void);

#if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
# define FORMATS   "{ S16LE, S16BE, F32LE, F32BE, S32LE, S32BE, " \
                     "S24LE, S24BE, S24_32LE, S24_32BE, U8 }"
#else
# define FORMATS   "{ S16BE, S16LE, F32BE, F32LE, S32BE, S32LE, " \
                     "S24BE, S24LE, S24_32BE, S24_32LE, U8 }"
#endif

#define _PULSE_SINK_CAPS_LINEAR \
    "audio/x-raw, " \
      "format = (string) " FORMATS ", " \
      "layout = (string) interleaved, " \
      "rate = (int) [ 1, MAX ], " \
      "channels = (int) [ 1, 32 ]; "
#define _PULSE_SINK_CAPS_ALAW \
    "audio/x-alaw, " \
      "rate = (int) [ 1, MAX], " \
      "channels = (int) [ 1, 32 ]; "
#define _PULSE_SINK_CAPS_MULAW \
    "audio/x-mulaw, " \
      "rate = (int) [ 1, MAX], " \
      "channels = (int) [ 1, 32 ]; "

#define _PULSE_SINK_CAPS_AC3 "audio/x-ac3, framed = (boolean) true; "
#define _PULSE_SINK_CAPS_EAC3 "audio/x-eac3, framed = (boolean) true; "
#define _PULSE_SINK_CAPS_DTS "audio/x-dts, framed = (boolean) true, " \
    "block-size = (int) { 512, 1024, 2048 }; "
#define _PULSE_SINK_CAPS_MP3 "audio/mpeg, mpegversion = (int) 1, " \
    "mpegaudioversion = (int) [ 1, 2 ], parsed = (boolean) true;"

#define _PULSE_SINK_CAPS_PCM \
  _PULSE_SINK_CAPS_LINEAR \
  _PULSE_SINK_CAPS_ALAW \
  _PULSE_SINK_CAPS_MULAW

#define PULSE_SINK_TEMPLATE_CAPS \
  _PULSE_SINK_CAPS_PCM \
  _PULSE_SINK_CAPS_AC3 \
  _PULSE_SINK_CAPS_EAC3 \
  _PULSE_SINK_CAPS_DTS \
  _PULSE_SINK_CAPS_MP3

G_END_DECLS

#endif /* __GST_PULSESINK_H__ */