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 

    21 #ifndef __GST_QTDEMUX_H__

    22 #define __GST_QTDEMUX_H__

    23 

    24 #include <gst/gst.h>

    25 #include <gst/base/gstadapter.h>

    26 

    27 G_BEGIN_DECLS

    28 

    29 GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);

    30 #define GST_CAT_DEFAULT qtdemux_debug

    31 

    32 #define GST_TYPE_QTDEMUX \

    33   (gst_qtdemux_get_type())

    34 #define GST_QTDEMUX(obj) \

    35   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QTDEMUX,GstQTDemux))

    36 #define GST_QTDEMUX_CLASS(klass) \

    37   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QTDEMUX,GstQTDemuxClass))

    38 #define GST_IS_QTDEMUX(obj) \

    39   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QTDEMUX))

    40 #define GST_IS_QTDEMUX_CLASS(klass) \

    41   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))

    42 

    43 #define GST_QTDEMUX_CAST(obj) ((GstQTDemux *)(obj))

    44 

    45 /* qtdemux produces these for atoms it cannot parse */

    46 #define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"

    47 #define GST_QT_DEMUX_CLASSIFICATION_TAG "classification"

    48 

    49 #define GST_QTDEMUX_MAX_STREAMS         8

    50 

    51 typedef struct _GstQTDemux GstQTDemux;

    52 typedef struct _GstQTDemuxClass GstQTDemuxClass;

    53 typedef struct _QtDemuxStream QtDemuxStream;

    54 

    55 struct _GstQTDemux {

    56   GstElement element;

    57 

    58   /* pads */

    59   GstPad *sinkpad;

    60 

    61   QtDemuxStream *streams[GST_QTDEMUX_MAX_STREAMS];

    62   gint     n_streams;

    63   gint     n_video_streams;

    64   gint     n_audio_streams;

    65   gint     n_subp_streams;

    66 

    67   guint  major_brand;

    68   GNode *moov_node;

    69   GNode *moov_node_compressed;

    70 

    71   guint32 timescale;

    72   guint32 duration;

    73 

    74   gint state;

    75 

    76   gboolean pullbased;

    77 

    78   /* push based variables */

    79   guint neededbytes;

    80   guint todrop;

    81   GstAdapter *adapter;

    82   GstBuffer *mdatbuffer;

    83 

    84   /* offset of the media data (i.e.: Size of header) */

    85   guint64 offset;

    86   /* offset of the mdat atom */

    87   guint64 mdatoffset;

    88 

    89   GstTagList *tag_list;

    90 

    91   /* track stuff */

    92   guint64 last_ts;

    93 

    94   /* configured playback region */

    95   GstSegment segment;

    96   gboolean segment_running;

    97   GstEvent *pending_newsegment;

    98 };

    99 

   100 struct _GstQTDemuxClass {

   101   GstElementClass parent_class;

   102 };

   103 

   104 #ifdef __SYMBIAN32__

   105 IMPORT_C

   106 #endif

   107 GType gst_qtdemux_get_type (void);

   108 

   109 G_END_DECLS

   110 

   111 #endif /* __GST_QTDEMUX_H__ */