gstreamer/ext/audiofile/gstafsrc.h

/* GStreamer
 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
 *                    2000 Wim Taymans <wtay@chello.be>
 *
 * gstafsrc.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_AFSRC_H__
#define __GST_AFSRC_H__


#include <gst/gst.h>
#include <audiofile.h>                  /* what else are we to do */


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define GST_TYPE_AFSRC \
  (gst_afsrc_get_type())
#define GST_AFSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AFSRC,GstAFSrc))
#define GST_AFSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AFSRC,GstAFSrcClass))
#define GST_IS_AFSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AFSRC))
#define GST_IS_AFSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AFSRC))

typedef struct _GstAFSrc GstAFSrc;
typedef struct _GstAFSrcClass GstAFSrcClass;

typedef enum {
  GST_AFSRC_OPEN        = (GST_ELEMENT_FLAG_LAST << 0),

  GST_AFSRC_FLAG_LAST   = (GST_ELEMENT_FLAG_LAST << 2),
} GstAFSrcFlags;

struct _GstAFSrc {
  GstElement element;
  GstPad *srcpad;

  gchar *filename;
/*  FILE *file; */

/*  AFfilesetup outfilesetup; */
  AFfilehandle file;
  int format;
  int channels;
  int width;
  unsigned int rate;
  gboolean is_signed;
  int type;                             /* type of output, compare to audiofile.h 
                                                 * RAW, AIFF, AIFFC, NEXTSND, WAVE
                                                 */ 
  /* blocking */
  gulong curoffset;
  gulong bytes_per_read;

  gulong seq;
  guint64 framestamp;
  /* FIXME : endianness is a little cryptic at this point */
  int endianness_data;          /* 4321 or 1234 */
  int endianness_wanted; /* same thing, but what the output format wants */
  int endianness_output; /* what the output endianness will be */
};

struct _GstAFSrcClass {
  GstElementClass parent_class;

  /* signals */
  void (*handoff) (GstElement *element,GstPad *pad);
};

GType           gst_afsrc_get_type      (void);
gboolean        gst_afsrc_plugin_init  (GstPlugin *plugin);




#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GST_AFSRC_H__ */