--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_good/gst/avi/gstavidemux.h	Wed Mar 24 18:04:17 2010 -0500
@@ -0,0 +1,179 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) <2006> Nokia Corporation (contact <stefan.kost@nokia.com>)
+ *
+ * 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_AVI_DEMUX_H__
+#define __GST_AVI_DEMUX_H__
+
+#include <gst/gst.h>
+
+#include "avi-ids.h"
+#include "gst/riff/riff-ids.h"
+#include "gst/riff/riff-read.h"
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AVI_DEMUX \
+  (gst_avi_demux_get_type ())
+#define GST_AVI_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_AVI_DEMUX, GstAviDemux))
+#define GST_AVI_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_AVI_DEMUX, GstAviDemuxClass))
+#define GST_IS_AVI_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_AVI_DEMUX))
+#define GST_IS_AVI_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_AVI_DEMUX))
+
+#define GST_AVI_DEMUX_MAX_STREAMS       16
+
+#define CHUNKID_TO_STREAMNR(chunkid) \
+  ((((chunkid) & 0xff) - '0') * 10 + \
+   (((chunkid) >> 8) & 0xff) - '0')
+
+#define GST_AVI_INDEX_ENTRY_FLAG_KEYFRAME 1
+
+/* 48 bytes */
+typedef struct {
+  guint          index_nr;      /* = (entry-index_entries)/sizeof(gst_avi_index_entry); */
+  guchar         stream_nr;
+  guchar         flags;
+  guint64        ts;
+  guint64        dur;           /* =entry[1].ts-entry->ts */
+  guint64        offset;
+  guint64        bytes_before;  /* calculated */
+  guint32        frames_before; /* calculated */
+  guint32        size;          /* could be read from the chunk (if we don't split) */
+} gst_avi_index_entry;
+
+typedef struct {
+  /* index of this streamcontext */
+  guint          num;
+
+  /* pad*/
+  GstPad        *pad;
+
+  /* stream info and headers */
+  gst_riff_strh *strh;
+  union {
+    gst_riff_strf_vids *vids;
+    gst_riff_strf_auds *auds;
+    gst_riff_strf_iavs *iavs;
+    gpointer     data;
+  } strf;
+  GstBuffer     *extradata, *initdata;
+  gchar         *name;
+
+  /* current position (byte, frame, time) and other status vars */
+  guint          current_frame;
+  guint64        current_byte;
+  GstFlowReturn  last_flow;
+  gboolean       discont;
+
+  /* stream length */
+  guint64        total_bytes;
+  guint32        total_frames;
+  guint32        total_blocks;
+  /* stream length according to index */
+  GstClockTime   idx_duration;
+  /* stream length according to header */
+  GstClockTime   hdr_duration;
+  /* stream length based on header/index */
+  GstClockTime   duration;
+
+  /* VBR indicator */
+  gboolean       is_vbr;
+
+  /* openDML support (for files >4GB) */
+  gboolean       superindex;
+  guint64       *indexes;
+
+  GstTagList	*taglist;
+} avi_stream_context;
+
+typedef enum {
+  GST_AVI_DEMUX_START,
+  GST_AVI_DEMUX_HEADER,
+  GST_AVI_DEMUX_MOVI,
+} GstAviDemuxState;
+
+typedef enum {
+  GST_AVI_DEMUX_HEADER_TAG_LIST,
+  GST_AVI_DEMUX_HEADER_AVIH,
+  GST_AVI_DEMUX_HEADER_ELEMENTS,
+  GST_AVI_DEMUX_HEADER_INFO,
+  GST_AVI_DEMUX_HEADER_JUNK,
+  GST_AVI_DEMUX_HEADER_DATA
+} GstAviDemuxHeaderState;
+
+typedef struct _GstAviDemux {
+  GstElement     parent;
+
+  /* pads */
+  GstPad        *sinkpad;
+
+  /* AVI decoding state */
+  GstAviDemuxState state;
+  GstAviDemuxHeaderState header_state;
+  guint64        offset;
+
+  /* index */
+  gst_avi_index_entry *index_entries;
+  guint          index_size;
+  guint64        index_offset;
+  guint          current_entry;
+  guint          reverse_start_index;
+  guint          reverse_stop_index;
+
+  /* streams */
+  guint          num_streams;
+  guint          num_v_streams;
+  guint          num_a_streams;
+  guint          num_t_streams;  /* subtitle text streams */
+
+  avi_stream_context stream[GST_AVI_DEMUX_MAX_STREAMS];
+
+  /* for streaming mode */
+  gboolean      streaming;
+  gboolean      have_eos;
+  GstAdapter    *adapter;
+
+  /* some stream info for length */
+  gst_riff_avih *avih;
+
+  /* segment in TIME */
+  GstSegment     segment;
+  gboolean       segment_running;
+
+  /* pending tags/events */
+  GstEvent      *seek_event;
+  GstTagList	*globaltags;
+  gboolean	got_tags;
+
+} GstAviDemux;
+
+typedef struct _GstAviDemuxClass {
+  GstElementClass parent_class;
+} GstAviDemuxClass;
+
+GType           gst_avi_demux_get_type          (void);
+
+G_END_DECLS
+
+#endif /* __GST_AVI_DEMUX_H__ */