1 /* ALSA mixer interface implementation.

     2  * Copyright (C) 2003 Leif Johnson <leif@ambient.2y.net>

     3  *

     4  * This library is free software; you can redistribute it and/or

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

     7  * version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

    12  * Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public

    15  * License along with this library; if not, write to the Free

    16  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    17  */

    18 

    19 

    20 #ifndef __GST_ALSA_MIXER_ELEMENT_H__

    21 #define __GST_ALSA_MIXER_ELEMENT_H__

    22 

    23 

    24 #include "gstalsa.h"

    25 #include "gstalsamixer.h"

    26 

    27 G_BEGIN_DECLS

    28 

    29 #define GST_ALSA_MIXER_ELEMENT(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_MIXER_ELEMENT,GstAlsaMixerElement))

    30 #define GST_ALSA_MIXER_ELEMENT_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_MIXER_ELEMENT,GstAlsaMixerElementClass))

    31 #define GST_IS_ALSA_MIXER_ELEMENT(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_MIXER_ELEMENT))

    32 #define GST_IS_ALSA_MIXER_ELEMENT_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_MIXER_ELEMENT))

    33 #define GST_TYPE_ALSA_MIXER_ELEMENT             (gst_alsa_mixer_element_get_type())

    34 

    35 typedef struct _GstAlsaMixerElement GstAlsaMixerElement;

    36 typedef struct _GstAlsaMixerElementClass GstAlsaMixerElementClass;

    37 

    38 /**

    39  * GstAlsaMixerElement

    40  *

    41  * Opaque datastructure.

    42  */

    43 struct _GstAlsaMixerElement {

    44   GstElement            parent;

    45 

    46   GstAlsaMixer          *mixer;

    47   gchar                 *device;

    48 };

    49 

    50 struct _GstAlsaMixerElementClass {

    51   GstElementClass       parent;

    52 };

    53 

    54 

    55 GType           gst_alsa_mixer_element_get_type         (void);

    56 

    57 

    58 G_END_DECLS

    59 

    60 

    61 #endif /* __GST_ALSA_MIXER_ELEMENT_H__ */