1 /*

     2  * Copyright (C) 2001 CodeFactory AB

     3  * Copyright (C) 2001 Thomas Nyberg <thomas@codefactory.se>

     4  * Copyright (C) 2001-2002 Andy Wingo <apwingo@eos.ncsu.edu>

     5  * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>

     6  *

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

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

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

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

    11  *

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

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

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

    15  * Library General Public License for more details.

    16  *

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

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

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

    20  */

    21 

    22 

    23 #ifndef __GST_ALSA_H__

    24 #define __GST_ALSA_H__

    25 

    26 

    27 #define ALSA_PCM_NEW_HW_PARAMS_API

    28 #define ALSA_PCM_NEW_SW_PARAMS_API

    29 

    30 #include <alsa/asoundlib.h>

    31 #include <alsa/control.h>

    32 #include <alsa/error.h>

    33 #include <gst/gst.h>

    34 

    35 #define GST_CHECK_ALSA_VERSION(major,minor,micro) \

    36     (SND_LIB_MAJOR > (major) || \

    37      (SND_LIB_MAJOR == (major) && SND_LIB_MINOR > (minor)) || \

    38      (SND_LIB_MAJOR == (major) && SND_LIB_MINOR == (minor) && \

    39       SND_LIB_SUBMINOR >= (micro)))

    40 

    41 GST_DEBUG_CATEGORY_EXTERN (alsa_debug);

    42 #define GST_CAT_DEFAULT alsa_debug

    43 

    44 snd_pcm_t * gst_alsa_open_iec958_pcm (GstObject * obj);

    45 

    46 GstCaps * gst_alsa_probe_supported_formats (GstObject      * obj,

    47                                             snd_pcm_t      * handle,

    48                                             const GstCaps  * template_caps);

    49 

    50 gchar   * gst_alsa_find_device_name (GstObject        * obj,

    51                                      const gchar      * device,

    52                                      snd_pcm_t        * handle,

    53                                      snd_pcm_stream_t   stream);

    54 

    55 #endif /* __GST_ALSA_H__ */