gstreamer/ext/audiofile/gstafparse.h

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


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


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


#define GST_TYPE_AFPARSE \
  (gst_afparse_get_type())
#define GST_AFPARSE(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AFPARSE,GstAFParse))
#define GST_AFPARSE_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AFPARSE,GstAFParseClass))
#define GST_IS_AFPARSE(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AFPARSE))
#define GST_IS_AFPARSE_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AFPARSE))

typedef struct _GstAFParse GstAFParse;
typedef struct _GstAFParseClass GstAFParseClass;

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

  GST_AFPARSE_FLAG_LAST         = (GST_ELEMENT_FLAG_LAST << 2),
} GstAFParseFlags;

struct _GstAFParse {
  GstElement element;
  GstPad *srcpad;
  GstPad *sinkpad;

  AFvirtualfile *vfile;
  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;
  gint frames_per_read;

  gulong seq;
  gint64 timestamp;
  /* 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 _GstAFParseClass {
  GstElementClass parent_class;

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

gboolean        gst_afparse_plugin_init         (GstPlugin *plugin);

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GST_AFPARSE_H__ */