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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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 <config.h>
#include <gst/gst.h>
#include <gst/bytestream/bytestream.h>
#include <gst/riff/riff.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#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,GstAviDemux))
#define GST_IS_AVI_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVI_DEMUX))
#define GST_IS_AVI_DEMUX_CLASS(obj) \
(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')
typedef struct _GstAviDemux GstAviDemux;
typedef struct _GstAviDemuxClass GstAviDemuxClass;
typedef struct
{
gint index_nr;
gint stream_nr;
guint64 ts;
guint32 flags;
guint32 offset;
gint size;
guint64 bytes_before;
guint32 frames_before;
} gst_avi_index_entry;
typedef struct
{
GstPad *pad;
gint num;
gst_riff_strh strh;
guint32 current_frame;
guint32 current_byte;
guint64 delay;
gboolean need_flush;
guint64 end_pos;
guint64 total_bytes;
guint32 total_frames;
guint32 skip;
} avi_stream_context;
typedef enum
{
GST_AVI_DEMUX_START,
GST_AVI_DEMUX_HEADER,
GST_AVI_DEMUX_MOVI,
} GstAviDemuxState;
struct _GstAviDemux {
GstElement element;
/* pads */
GstPad *sinkpad, *srcpad;
/* AVI decoding state */
guint32 fcc_type;
GstAviDemuxState state;
GstByteStream *bs;
gst_avi_index_entry *index_entries;
gulong index_size;
gulong index_offset;
gst_riff_avih avih;
guint num_streams;
guint num_v_streams;
guint num_a_streams;
avi_stream_context stream[GST_AVI_DEMUX_MAX_STREAMS];
gboolean seek_pending;
gint64 seek_offset;
guint64 last_seek;
GstCaps *metadata, *streaminfo;
};
struct _GstAviDemuxClass {
GstElementClass parent_class;
};
GType gst_avi_demux_get_type (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_AVI_DEMUX_H__ */
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