1 /* GStreamer

     2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>

     3  *

     4  * This library is free software; you can redistribute it and/or

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

     7  * version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public

    15  * License along with this library; if not, write to the

    16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    17  * Boston, MA 02111-1307, USA.

    18  */

    19 

    20 #ifndef __GST_QTDEMUX_TYPES_H__

    21 #define __GST_QTDEMUX_TYPES_H__

    22 

    23 #include <gst/gst.h>

    24 

    25 #include "qtdemux.h"

    26 

    27 G_BEGIN_DECLS

    28 

    29 typedef void (*QtDumpFunc) (GstQTDemux * qtdemux, guint8 * buffer, int depth);

    30 

    31 typedef struct _QtNodeType QtNodeType;

    32 

    33 #define QT_UINT32(a)  (GST_READ_UINT32_BE(a))

    34 #define QT_UINT24(a)  (GST_READ_UINT32_BE(a) >> 8)

    35 #define QT_UINT16(a)  (GST_READ_UINT16_BE(a))

    36 #define QT_UINT8(a)   (GST_READ_UINT8(a))

    37 #define QT_FP32(a)    ((GST_READ_UINT32_BE(a))/65536.0)

    38 #define QT_FP16(a)    ((GST_READ_UINT16_BE(a))/256.0)

    39 #define QT_FOURCC(a)  (GST_READ_UINT32_LE(a))

    40 #define QT_UINT64(a)  ((((guint64)QT_UINT32(a))<<32)|QT_UINT32(((guint8 *)a)+4))

    41 

    42 typedef enum {

    43   QT_FLAG_NONE      = (0),

    44   QT_FLAG_CONTAINER = (1 << 0) 

    45 } QtFlags;

    46 

    47 struct _QtNodeType {

    48   guint32      fourcc;

    49   const gchar *name;

    50   QtFlags      flags;

    51   QtDumpFunc   dump;

    52 };

    53 

    54 const QtNodeType *qtdemux_type_get (guint32 fourcc);

    55 

    56 G_END_DECLS

    57 

    58 #endif /* __GST_QTDEMUX_TYPES_H__ */