bindings/python/vlcglue.h

   1 /*****************************************************************************
   2  * vlcglue.h: Main header for the Python binding
   3  *****************************************************************************
   4  * Copyright (C) 1998-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Olivier Aubert <olivier.aubert at liris.cnrs.fr>
   8  *          Clément Stenac <zorglub@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24 #ifndef _VLCGLUE_H
  25 #define _VLCGLUE_H 1
  26
  27 #include <Python.h>
  28 #include "structmember.h"
  29
  30 #include <stdio.h>
  31 #include <vlc/vlc.h>
  32 #include <vlc/libvlc.h>
  33 #include <vlc/mediacontrol_structures.h>
  34 #include <vlc/mediacontrol.h>
  35
  36 /* Python 2.5 64-bit support compatibility define */
  37 #if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
  38 typedef int Py_ssize_t;
  39 #define PY_SSIZE_T_MAX INT_MAX
  40 #define PY_SSIZE_T_MIN INT_MIN
  41 #endif
  42
  43
  44 /**********************************************************************
  45  * Exceptions handling
  46  **********************************************************************/
  47
  48 #define MC_TRY exception=mediacontrol_exception_create( )
  49
  50 #define MC_EXCEPT  \
  51   if( exception && exception->code ) { \
  52     PyObject *py_exc = MediaControl_InternalException; \
  53     switch( exception->code ) { \
  54     case mediacontrol_InternalException: \
  55       py_exc = MediaControl_InternalException; \
  56       break; \
  57     case mediacontrol_PlaylistException: \
  58       py_exc = MediaControl_PlaylistException; \
  59       break; \
  60     case mediacontrol_InvalidPosition: \
  61       py_exc = MediaControl_InvalidPosition; \
  62       break; \
  63     case mediacontrol_PositionKeyNotSupported: \
  64       py_exc = MediaControl_PositionKeyNotSupported; \
  65       break; \
  66     case mediacontrol_PositionOriginNotSupported: \
  67       py_exc = MediaControl_PositionOriginNotSupported; \
  68       break; \
  69     } \
  70     PyErr_SetString( py_exc, exception->message ); \
  71     mediacontrol_exception_free( exception ); \
  72     return NULL; \
  73   } else if( exception ) { mediacontrol_exception_free( exception ); }
  74
  75 PyObject *MediaControl_InternalException;
  76 PyObject *MediaControl_PositionKeyNotSupported;
  77 PyObject *MediaControl_PositionOriginNotSupported;
  78 PyObject *MediaControl_InvalidPosition;
  79 PyObject *MediaControl_PlaylistException;
  80 PyObject *vlc_Exception;
  81
  82 /**********************************************************************
  83  * vlc.Instance Object
  84  **********************************************************************/
  85 typedef struct
  86 {
  87     PyObject_HEAD
  88     libvlc_instance_t* p_instance;
  89 } vlcInstance;
  90
  91 /**********************************************************************
  92  * MediaControl Object
  93  **********************************************************************/
  94 typedef struct
  95 {
  96     PyObject_HEAD
  97     mediacontrol_Instance* mc;
  98     vlcInstance *vlc_instance;
  99 } MediaControl;
 100
 101 /**********************************************************************
 102  * Position Object
 103  **********************************************************************/
 104 typedef struct
 105 {
 106     PyObject_HEAD
 107     int origin;
 108     int key;
 109     PY_LONG_LONG value;
 110 } PyPosition;
 111
 112 /**********************************************************************
 113  * vlc.MediaPlayer Object
 114  **********************************************************************/
 115 typedef struct
 116 {
 117     PyObject_HEAD
 118     libvlc_media_player_t* p_mp;
 119 } vlcMediaPlayer;
 120
 121 /**********************************************************************
 122  * vlc.Media Object
 123  **********************************************************************/
 124 typedef struct
 125 {
 126     PyObject_HEAD
 127     libvlc_media_t* p_media;
 128 } vlcMedia;
 129
 130 /* Forward declarations */
 131 staticforward PyTypeObject MediaControl_Type;
 132 staticforward PyTypeObject PyPosition_Type;
 133 staticforward PyTypeObject vlcInstance_Type;
 134 staticforward PyTypeObject vlcMediaPlayer_Type;
 135 staticforward PyTypeObject vlcMedia_Type;
 136
 137 #define LIBVLC_INSTANCE(self) (((vlcInstance*)self)->p_instance)
 138 #define LIBVLC_MEDIAPLAYER(self) (((vlcMediaPlayer*)self)->p_mp)
 139 #define LIBVLC_MEDIA(self) (((vlcMedia*)self)->p_media)
 140 #define LIBVLC_MC(self) (((MediaControl*)self)->mc)
 141
 142 #define LIBVLC_TRY libvlc_exception_init( &ex );
 143
 144 #define LIBVLC_EXCEPT if( libvlc_exception_raised( &ex ) ) { \
 145     PyObject *py_exc = vlc_Exception; \
 146     PyErr_SetString( py_exc, libvlc_errmsg() ); \
 147     return NULL; \
 148   }
 149
 150 mediacontrol_PositionKey positionKey_py_to_c( PyObject * py_key );
 151 mediacontrol_PositionOrigin positionOrigin_py_to_c( PyObject * py_origin );
 152 mediacontrol_Position * position_py_to_c( PyObject * py_position );
 153 PyPosition * position_c_to_py( mediacontrol_Position * position );
 154
 155 /* Long long conversion on Mac os X/ppc */
 156 #if defined (__ppc__) || defined(__ppc64__)
 157 #define ntohll(x) ((long long) x >> 64)
 158 #else
 159 #define ntohll(x) (x)
 160 #endif
 161
 162 #endif