gstreamer/sys/oss/gstosscommon.h

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wim.taymans@chello.be>
*
* gstosssink.c:
*
* 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_OSSCOMMON_H__
#define __GST_OSSCOMMON_H__
#include <gst/gst.h>
typedef struct _GstOssCommon GstOssCommon;
typedef enum {
GST_OSSCOMMON_READ,
GST_OSSCOMMON_WRITE,
} GstOssOpenMode;
struct _GstOssCommon
{
gchar *device;
/* device state */
int fd;
int caps; /* the capabilities */
gint format;
gint fragment;
guint64 fragment_time;
gint fragment_size;
GstOssOpenMode mode;
/* stats */
guint bps;
/* parameters */
gint law;
gint endianness;
gboolean sign;
gint width;
gint depth;
gint channels;
gint rate;
};
void gst_osscommon_init (GstOssCommon *common);
void gst_osscommon_reset (GstOssCommon *common);
gboolean gst_osscommon_open_audio (GstOssCommon *common,
GstOssOpenMode mode, gchar **error);
void gst_osscommon_close_audio (GstOssCommon *common);
gboolean gst_osscommon_parse_caps (GstOssCommon *common, GstCaps *caps);
gboolean gst_osscommon_merge_fixed_caps (GstOssCommon *common, GstCaps *caps);
gboolean gst_osscommon_sync_parms (GstOssCommon *common);
gboolean gst_osscommon_convert (GstOssCommon *common,
GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
#endif /* __GST_OSSCOMMON_H__ */