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/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_ALSASRC_H__
#define __GST_ALSASRC_H__
#include <gst/audio/audio.h>
#include "gstalsa.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(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SRC))
#define GST_ALSA_SRC_CAST(obj) ((GstAlsaSrc *)(obj))
#define GST_ALSA_SRC_GET_LOCK(obj) (&GST_ALSA_SRC_CAST (obj)->alsa_lock)
#define GST_ALSA_SRC_LOCK(obj) (g_mutex_lock (GST_ALSA_SRC_GET_LOCK (obj)))
#define GST_ALSA_SRC_UNLOCK(obj) (g_mutex_unlock (GST_ALSA_SRC_GET_LOCK (obj)))
#define GST_DELAY_SRC_GET_LOCK(obj) (&GST_ALSA_SRC_CAST (obj)->delay_lock)
#define GST_DELAY_SRC_LOCK(obj) (g_mutex_lock (GST_DELAY_SRC_GET_LOCK (obj)))
#define GST_DELAY_SRC_UNLOCK(obj) (g_mutex_unlock (GST_DELAY_SRC_GET_LOCK (obj)))
typedef struct _GstAlsaSrc GstAlsaSrc;
typedef struct _GstAlsaSrcClass GstAlsaSrcClass;
/**
* GstAlsaSrc:
*
* Opaque data structure
*/
struct _GstAlsaSrc {
GstAudioSrc src;
gchar *device;
snd_pcm_t *handle;
snd_pcm_hw_params_t *hwparams;
snd_pcm_sw_params_t *swparams;
GstCaps *cached_caps;
snd_pcm_access_t access;
snd_pcm_format_t format;
guint rate;
guint channels;
gint bpf;
gboolean driver_timestamps;
guint buffer_time;
guint period_time;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
GMutex alsa_lock;
GMutex delay_lock;
};
struct _GstAlsaSrcClass {
GstAudioSrcClass parent_class;
};
GType gst_alsasrc_get_type(void);
G_END_DECLS
#endif /* __GST_ALSASRC_H__ */
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