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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/* GStreamer
* Copyright (C) 1999,2000,2001,2002 Erik Walthinsen <omega@cse.ogi.edu>
* 2000,2001,2002 Wim Taymans <wtay@chello.be>
* 2002 Steve Baker <steve@stevebaker.org>
* 2003 Julien Moutte <julien@moutte.net>
*
* play.h: GstPlay object code
*
*
* 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 __GSTPLAY_H__
#define __GSTPLAY_H__
#include <gst/gst.h>
#include <gst/control/control.h>
/*
* GstPlay is a simple class for audio and video playback.
* It's job is to get the media (supplied by a URI) played.
* More specific it should get the media from source to the output elements.
* How that is done should not be relevant for developers using this class.
* A user using this class should not have to know very much about how
* GStreamer works, other than that it plays back media.
* Additionally it supplies signals to get information about the current
* playing state.
*/
typedef enum
{
GST_PLAY_OK,
GST_PLAY_UNKNOWN_MEDIA,
GST_PLAY_CANNOT_PLAY,
GST_PLAY_ERROR,
} GstPlayReturn;
typedef enum
{
GST_PLAY_PIPE_AUDIO,
GST_PLAY_PIPE_AUDIO_THREADED,
GST_PLAY_PIPE_AUDIO_HYPER_THREADED,
GST_PLAY_PIPE_VIDEO,
GST_PLAY_PIPE_VIDEO_VISUALISATION,
} GstPlayPipeType;
typedef enum
{
GST_PLAY_ERROR_FAKESINK,
GST_PLAY_ERROR_THREAD,
GST_PLAY_ERROR_QUEUE,
GST_PLAY_ERROR_GNOMEVFSSRC,
GST_PLAY_ERROR_VOLUME,
GST_PLAY_ERROR_COLORSPACE,
GST_PLAY_ERROR_LAST,
} GstPlayError;
typedef enum
{
GST_PLAY_SINK_TYPE_AUDIO,
GST_PLAY_SINK_TYPE_VIDEO,
GST_PLAY_SINK_TYPE_ANY,
} GstPlaySinkType;
#define GST_PLAY_ERROR gst_play_error_quark ()
#define GST_TYPE_PLAY (gst_play_get_type())
#define GST_PLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY, GstPlay))
#define GST_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY, GstPlayClass))
#define GST_IS_PLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY))
#define GST_IS_PLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY))
#define GST_PLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PLAY, GstPlayClass))
typedef struct _GstPlay GstPlay;
typedef struct _GstPlayClass GstPlayClass;
typedef struct _GstPlayIdleData GstPlayIdleData;
typedef guint (*GstPlayTimeoutAdd) (guint interval,
GSourceFunc function, gpointer data);
typedef guint (*GstPlayIdleAdd) (GSourceFunc function, gpointer data);
struct _GstPlay
{
GObject parent;
gboolean (*setup_pipeline) (GstPlay * play, GError ** error);
void (*teardown_pipeline) (GstPlay * play);
gboolean (*set_data_src) (GstPlay * play, GstElement * datasrc);
gboolean (*set_autoplugger) (GstPlay * play, GstElement * autoplugger);
gboolean (*set_video_sink) (GstPlay * play, GstElement * videosink);
gboolean (*set_audio_sink) (GstPlay * play, GstElement * audiosink);
/* core elements */
GstElement *pipeline;
GstElement *volume;
GstElement *source;
GstElement *autoplugger;
GstElement *video_sink;
GstElement *video_sink_element;
GstElement *audio_sink;
GstElement *audio_sink_element;
GstElement *visualisation_sink_element;
GstDParamManager *vol_dpman;
GstDParam *vol_dparam;
GHashTable *other_elements;
GstClock *clock;
gboolean need_stream_length;
gboolean need_seek;
gint time_seconds;
gint get_length_attempt;
gint64 seek_time;
gint64 time_nanos;
gint64 length_nanos;
GAsyncQueue *signal_queue;
GstPlayTimeoutAdd timeout_add_func;
GstPlayIdleAdd idle_add_func;
};
struct _GstPlayClass
{
GObjectClass parent_class;
/* signals */
void (*information) (GstPlay * play,
GstObject * element, GParamSpec * param);
void (*pipeline_error) (GstPlay * play, GstElement * element, char *error);
void (*state_changed) (GstPlay * play,
GstElementState old_state,
GstElementState new_state);
void (*stream_end) (GstPlay * play);
void (*time_tick) (GstPlay * play, gint64 time_nanos);
void (*stream_length) (GstPlay * play, gint64 length_nanos);
void (*have_xid) (GstPlay * play, gint xid);
void (*have_vis_xid) (GstPlay * play, gint xid);
void (*have_video_size) (GstPlay * play, gint width, gint height);
};
struct _GstPlayIdleData
{
GSourceFunc func;
gpointer data;
};
void gst_play_seek_to_time (GstPlay * play, gint64 time_nanos);
void gst_play_need_new_video_window (GstPlay * play);
void
gst_play_set_idle_timeout_funcs (GstPlay * play,
GstPlayTimeoutAdd timeout_add_func,
GstPlayIdleAdd idle_add_func);
GstElement *gst_play_get_sink_element (GstPlay * play,
GstElement * element,
GstPlaySinkType sink_type);
/* Set/Get state */
GstElementStateReturn
gst_play_set_state (GstPlay * play, GstElementState state);
GstElementState gst_play_get_state (GstPlay * play);
/* Set/Get location */
gboolean gst_play_set_location (GstPlay * play, const gchar * location);
gchar *gst_play_get_location (GstPlay * play);
/* Set/Get volume */
void gst_play_set_volume (GstPlay * play, gfloat volume);
gfloat gst_play_get_volume (GstPlay * play);
/* Set/Get mute */
void gst_play_set_mute (GstPlay * play, gboolean mute);
gboolean gst_play_get_mute (GstPlay * play);
/* Set sinks and data src */
gboolean gst_play_set_data_src (GstPlay * play, GstElement * data_src);
gboolean gst_play_set_video_sink (GstPlay * play, GstElement * video_sink);
gboolean
gst_play_set_visualisation_video_sink (GstPlay * play,
GstElement * video_sink);
gboolean gst_play_set_audio_sink (GstPlay * play, GstElement * audio_sink);
gboolean
gst_play_set_visualisation_element (GstPlay * play, GstElement * element);
gboolean gst_play_connect_visualisation (GstPlay * play, gboolean connect);
GType gst_play_get_type (void);
GstPlay *gst_play_new (GstPlayPipeType pipe_type, GError ** error);
#endif /* __GSTPLAY_H__ */
|
