gstreamer/ext/alsa/gstalsasrc.h
Wim Taymans ceb88a7777 Added audiosource base classes.
Original commit message from CVS:
Added audiosource base classes.
Ported alsasrc, still very basic.
2005-07-06 15:27:17 +00:00

71 lines
2 KiB
C

/* GStreamer
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
*
* gstalsasrc.h:
*
* 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 __GST_ALSASRC_H__
#define __GST_ALSASRC_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiosrc.h>
#include <alsa/asoundlib.h>
G_BEGIN_DECLS
#define GST_TYPE_ALSA_SRC (gst_alsasrc_get_type())
#define GST_ALSA_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_SRC,GstAlsaSrc))
#define GST_ALSA_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_SRC,GstAlsaSrcClass))
#define GST_IS_ALSA_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_SRC))
#define GST_IS_ALSA_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SRC))
typedef struct _GstAlsaSrc GstAlsaSrc;
typedef struct _GstAlsaSrcClass GstAlsaSrcClass;
struct _GstAlsaSrc {
GstAudioSrc src;
gchar *device;
snd_pcm_t *handle;
snd_pcm_hw_params_t *hwparams;
snd_pcm_sw_params_t *swparams;
snd_pcm_access_t access;
snd_pcm_format_t format;
guint rate;
guint channels;
gint bytes_per_sample;
guint buffer_time;
guint period_time;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
};
struct _GstAlsaSrcClass {
GstAudioSrcClass parent_class;
};
GType gst_alsasrc_get_type(void);
G_END_DECLS
#endif /* __GST_ALSASRC_H__ */