mobile/gst-libs/gst/riff/riff-read.h

   1 /* GStreamer RIFF I/O
   2  * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
   3  *
   4  * riff-read.h: function declarations for parsing a RIFF file
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef __GST_RIFF_READ_H__
  23 #define __GST_RIFF_READ_H__
  24
  25 #include <glib.h>
  26 #include <gst/gst.h>
  27
  28 #include "riff-ids.h"
  29
  30 G_BEGIN_DECLS
  31
  32 /*
  33  * Operate using pull_range().
  34  */
  35
  36 GstFlowReturn gst_riff_read_chunk   (GstElement * element,
  37                                      GstPad     * pad,
  38                                      guint64    * offset,
  39                                      guint32    * tag,
  40                                      GstBuffer ** chunk_data);
  41
  42 /*
  43  * These functions operate on provided data (the caller is
  44  * supposed to strip the chunk headers). The buffer is
  45  * provided by the caller, the strf/strh/data are filled in
  46  * by the function.
  47  */
  48
  49 gboolean gst_riff_parse_chunk       (GstElement * element,
  50                                      GstBuffer  * buf,
  51                                      guint      * offset,
  52                                      guint32    * fourcc,
  53                                      GstBuffer ** chunk_data);
  54
  55 gboolean gst_riff_parse_file_header (GstElement * element,
  56                                      GstBuffer  * buf,
  57                                      guint32    * doctype);
  58
  59 gboolean gst_riff_parse_strh        (GstElement     * element,
  60                                      GstBuffer      * buf,
  61                                      gst_riff_strh ** strh);
  62
  63 gboolean gst_riff_parse_strf_vids   (GstElement          * element,
  64                                      GstBuffer           * buf,
  65                                      gst_riff_strf_vids ** strf,
  66                                      GstBuffer          ** data);
  67 gboolean gst_riff_parse_strf_auds   (GstElement          * element,
  68                                      GstBuffer           * buf,
  69                                      gst_riff_strf_auds ** strf,
  70                                      GstBuffer          ** data);
  71 gboolean gst_riff_parse_strf_iavs   (GstElement          * element,
  72                                      GstBuffer           * buf,
  73                                      gst_riff_strf_iavs ** strf,
  74                                      GstBuffer          ** data);
  75
  76 void gst_riff_parse_info            (GstElement  * element,
  77                                      GstBuffer   * buf,
  78                                      GstTagList ** taglist);
  79
  80 /*
  81  * Init.
  82  */
  83 void gst_riff_init                  (void);
  84
  85 G_END_DECLS
  86
  87 #endif /* __GST_RIFF_READ_H__ */