1 /* GStreamer

     2  * Copyright (C) 2005 Wim Taymans <wim@fluendo.com>

     3  *

     4  * gstsegment.h: Header for GstSegment subsystem

     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 

    23 #ifndef __GST_SEGMENT_H__

    24 #define __GST_SEGMENT_H__

    25 

    26 #include <gst/gstevent.h>

    27 #include <gst/gstformat.h>

    28 

    29 G_BEGIN_DECLS

    30 

    31 #define GST_TYPE_SEGMENT             (gst_segment_get_type())

    32 

    33 typedef struct _GstSegment GstSegment;

    34 

    35 /**

    36  * GstSegment:

    37  * @rate: the rate of the segment

    38  * @abs_rate: absolute value of @rate

    39  * @format: the format of the segment values

    40  * @flags: flags for this segment

    41  * @start: the start of the segment

    42  * @stop: the stop of the segment

    43  * @time: the stream time of the segment

    44  * @accum: accumulated segment

    45  * @last_stop: last known stop time

    46  * @duration: total duration of segment

    47  * @applied_rate: the already applied rate to the segment

    48  *

    49  * A helper structure that holds the configured region of

    50  * interest in a media file.

    51  */

    52 struct _GstSegment {

    53   /*< public >*/

    54   gdouble        rate;

    55   gdouble        abs_rate;

    56   GstFormat      format;

    57   GstSeekFlags   flags;

    58   gint64         start;

    59   gint64         stop;

    60   gint64         time;

    61   gint64         accum;

    62 

    63   gint64         last_stop;

    64   gint64         duration;

    65 

    66   /* API added 0.10.6 */

    67   gdouble        applied_rate;

    68 

    69   /*< private >*/

    70   /*gpointer _gst_reserved[GST_PADDING-2];*/

    71   guint8 _gst_reserved[(sizeof (gpointer) * GST_PADDING) - sizeof (gdouble)];

    72 };

    73 #ifdef __SYMBIAN32__

    74 IMPORT_C

    75 #endif

    76 

    77 

    78 GType        gst_segment_get_type            (void);

    79 #ifdef __SYMBIAN32__

    80 IMPORT_C

    81 #endif

    82 

    83 

    84 GstSegment * gst_segment_new                 (void);

    85 #ifdef __SYMBIAN32__

    86 IMPORT_C

    87 #endif

    88 

    89 void         gst_segment_free                (GstSegment *segment);

    90 #ifdef __SYMBIAN32__

    91 IMPORT_C

    92 #endif

    93 

    94 

    95 void         gst_segment_init                (GstSegment *segment, GstFormat format);

    96 #ifdef __SYMBIAN32__

    97 IMPORT_C

    98 #endif

    99 

   100 

   101 void         gst_segment_set_duration        (GstSegment *segment, GstFormat format, gint64 duration);

   102 #ifdef __SYMBIAN32__

   103 IMPORT_C

   104 #endif

   105 

   106 void         gst_segment_set_last_stop       (GstSegment *segment, GstFormat format, gint64 position);

   107 #ifdef __SYMBIAN32__

   108 IMPORT_C

   109 #endif

   110 

   111 

   112 void         gst_segment_set_seek            (GstSegment *segment, gdouble rate,

   113                                               GstFormat format, GstSeekFlags flags,

   114                                               GstSeekType start_type, gint64 start,

   115                                               GstSeekType stop_type, gint64 stop,

   116                                               gboolean *update);

   117 #ifdef __SYMBIAN32__

   118 IMPORT_C

   119 #endif

   120 

   121 

   122 void         gst_segment_set_newsegment      (GstSegment *segment, gboolean update, gdouble rate,

   123                                               GstFormat format, gint64 start, gint64 stop, gint64 time);

   124 #ifdef __SYMBIAN32__

   125 IMPORT_C

   126 #endif

   127 

   128 void         gst_segment_set_newsegment_full (GstSegment *segment, gboolean update, gdouble rate,

   129                                               gdouble applied_rate, GstFormat format, gint64 start,

   130                                               gint64 stop, gint64 time);

   131 #ifdef __SYMBIAN32__

   132 IMPORT_C

   133 #endif

   134 

   135 

   136 gint64       gst_segment_to_stream_time      (GstSegment *segment, GstFormat format, gint64 position);

   137 #ifdef __SYMBIAN32__

   138 IMPORT_C

   139 #endif

   140 

   141 gint64       gst_segment_to_running_time     (GstSegment *segment, GstFormat format, gint64 position);

   142 #ifdef __SYMBIAN32__

   143 IMPORT_C

   144 #endif

   145 

   146 

   147 gboolean     gst_segment_clip                (GstSegment *segment, GstFormat format, gint64 start,

   148                                               gint64 stop, gint64 *clip_start, gint64 *clip_stop);

   149 

   150 G_END_DECLS

   151 

   152 #endif /* __GST_SEGMENT_H__ */