author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer |
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
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* 2005 Wim Taymans <wim@fluendo.com> |
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* |
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* gstaudiosrc.h: |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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#ifndef __GST_AUDIO_SRC_H__ |
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#define __GST_AUDIO_SRC_H__ |
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#include <gst/gst.h> |
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#include <gst/audio/gstbaseaudiosrc.h> |
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G_BEGIN_DECLS |
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#define GST_TYPE_AUDIO_SRC (gst_audio_src_get_type()) |
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#define GST_AUDIO_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_SRC,GstAudioSrc)) |
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#define GST_AUDIO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_SRC,GstAudioSrcClass)) |
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#define GST_AUDIO_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_AUDIO_SRC,GstAudioSrcClass)) |
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#define GST_IS_AUDIO_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_SRC)) |
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#define GST_IS_AUDIO_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_SRC)) |
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typedef struct _GstAudioSrc GstAudioSrc; |
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typedef struct _GstAudioSrcClass GstAudioSrcClass; |
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/** |
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* GstAudioSrc: |
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* @element: parent class |
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* |
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* Base class for simple audio sources. |
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*/ |
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struct _GstAudioSrc { |
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GstBaseAudioSrc element; |
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/*< private >*/ /* with LOCK */ |
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GThread *thread; |
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/*< private >*/ |
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gpointer _gst_reserved[GST_PADDING]; |
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}; |
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/** |
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* GstAudioSrcClass: |
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* @parent_class: the parent class. |
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* @open: open the device with the specified caps |
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* @prepare: configure device with format |
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* @unprepare: undo the configuration |
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* @close: close the device |
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* @read: read samples to the audio device |
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* @delay: the number of samples queued in the device |
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* @reset: unblock a read to the device and reset. |
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* |
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* #GstAudioSrc class. Override the vmethod to implement |
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* functionality. |
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*/ |
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struct _GstAudioSrcClass { |
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GstBaseAudioSrcClass parent_class; |
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/* vtable */ |
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/* open the device with given specs */ |
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gboolean (*open) (GstAudioSrc *src); |
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/* prepare resources and state to operate with the given specs */ |
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gboolean (*prepare) (GstAudioSrc *src, GstRingBufferSpec *spec); |
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/* undo anything that was done in prepare() */ |
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gboolean (*unprepare) (GstAudioSrc *src); |
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/* close the device */ |
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gboolean (*close) (GstAudioSrc *src); |
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/* read samples from the device */ |
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guint (*read) (GstAudioSrc *src, gpointer data, guint length); |
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/* get number of samples queued in the device */ |
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guint (*delay) (GstAudioSrc *src); |
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/* reset the audio device, unblock from a write */ |
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void (*reset) (GstAudioSrc *src); |
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/*< private >*/ |
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gpointer _gst_reserved[GST_PADDING]; |
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}; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GType gst_audio_src_get_type(void); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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G_END_DECLS |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
102 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
103 |
#endif /* __GST_AUDIO_SRC_H__ */ |