mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/* GStreamer
|
|
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
|
|
*
|
|
* gstalsasink.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_ALSASINK_H__
|
|
#define __GST_ALSASINK_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/gstaudiosink.h>
|
|
#include <alsa/asoundlib.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_ALSA_SINK (gst_alsasink_get_type())
|
|
#define GST_ALSA_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_SINK,GstAlsaSink))
|
|
#define GST_ALSA_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_SINK,GstAlsaSinkClass))
|
|
#define GST_IS_ALSA_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_SINK))
|
|
#define GST_IS_ALSA_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SINK))
|
|
#define GST_ALSA_SINK_CAST(obj) ((GstAlsaSink *) (obj))
|
|
|
|
typedef struct _GstAlsaSink GstAlsaSink;
|
|
typedef struct _GstAlsaSinkClass GstAlsaSinkClass;
|
|
|
|
#define GST_ALSA_SINK_GET_LOCK(obj) (&GST_ALSA_SINK_CAST (obj)->alsa_lock)
|
|
#define GST_ALSA_SINK_LOCK(obj) (g_mutex_lock (GST_ALSA_SINK_GET_LOCK (obj)))
|
|
#define GST_ALSA_SINK_UNLOCK(obj) (g_mutex_unlock (GST_ALSA_SINK_GET_LOCK (obj)))
|
|
|
|
/**
|
|
* GstAlsaSink:
|
|
*
|
|
* Opaque data structure
|
|
*/
|
|
struct _GstAlsaSink {
|
|
GstAudioSink sink;
|
|
|
|
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 bpf;
|
|
gboolean iec958;
|
|
gboolean need_swap;
|
|
|
|
guint buffer_time;
|
|
guint period_time;
|
|
snd_pcm_uframes_t buffer_size;
|
|
snd_pcm_uframes_t period_size;
|
|
|
|
GstCaps *cached_caps;
|
|
|
|
GMutex alsa_lock;
|
|
};
|
|
|
|
struct _GstAlsaSinkClass {
|
|
GstAudioSinkClass parent_class;
|
|
};
|
|
|
|
GType gst_alsasink_get_type(void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_ALSASINK_H__ */
|