research.m1stereo.tv/gitweb/ - melted/blob - src/framework/mlt_types.h

   1 /**
   2  * \file mlt_types.h
   3  * \brief Provides forward definitions of all public types
   4  *
   5  * Copyright (C) 2003-2009 Ushodaya Enterprises Limited
   6  * \author Charles Yates <charles.yates@pandora.be>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef _MLT_TYPES_H_
  24 #define _MLT_TYPES_H_
  25
  26 #ifndef GCC_VERSION
  27 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
  28 #endif
  29
  30 #include <stdint.h>
  31
  32 #include "mlt_pool.h"
  33
  34 /** The set of supported image formats */
  35
  36 typedef enum
  37 {
  38         mlt_image_none = 0,/**< image not available */
  39         mlt_image_rgb24,   /**< 8-bit RGB */
  40         mlt_image_rgb24a,  /**< 8-bit RGB with alpha channel */
  41         mlt_image_yuv422,  /**< 8-bit YUV 4:2:2 packed */
  42         mlt_image_yuv420p, /**< 8-bit YUV 4:2:0 planar */
  43         mlt_image_opengl   /**< suitable for OpenGL texture */
  44 }
  45 mlt_image_format;
  46
  47 /** The set of supported audio formats */
  48
  49 typedef enum
  50 {
  51         mlt_audio_none = 0,/**< audio not available */
  52         mlt_audio_pcm      /**< signed 16-bit interleaved PCM */
  53 }
  54 mlt_audio_format;
  55
  56 /** The relative time qualifiers */
  57
  58 typedef enum
  59 {
  60         mlt_whence_relative_start,  /**< relative to the beginning */
  61         mlt_whence_relative_current,/**< relative to the current position */
  62         mlt_whence_relative_end     /**< relative to the end */
  63 }
  64 mlt_whence;
  65
  66 /** The recognized subclasses of mlt_service */
  67
  68 typedef enum
  69 {
  70         invalid_type,               /**< invalid service */
  71         unknown_type,               /**< unknown class */
  72         producer_type,              /**< Producer class */
  73         tractor_type,               /**< Tractor class */
  74         playlist_type,              /**< Playlist class */
  75         multitrack_type,            /**< Multitrack class */
  76         filter_type,                /**< Filter class */
  77         transition_type,            /**< Transition class */
  78         consumer_type,              /**< Consumer class */
  79         field_type                  /**< Field class */
  80 }
  81 mlt_service_type;
  82
  83 /* I don't want to break anyone's applications without warning. -Zach */
  84 #undef DOUBLE_MLT_POSITION
  85 #ifdef DOUBLE_MLT_POSITION
  86 typedef double mlt_position;
  87 #else
  88 typedef int32_t mlt_position;
  89 #endif
  90
  91 typedef struct mlt_frame_s *mlt_frame, **mlt_frame_ptr; /**< pointer to Frame object */
  92 typedef struct mlt_property_s *mlt_property;            /**< pointer to Property object */
  93 typedef struct mlt_properties_s *mlt_properties;        /**< pointer to Properties object */
  94 typedef struct mlt_event_struct *mlt_event;             /**< pointer to Event object */
  95 typedef struct mlt_service_s *mlt_service;              /**< pointer to Service object */
  96 typedef struct mlt_producer_s *mlt_producer;            /**< pointer to Producer object */
  97 typedef struct mlt_playlist_s *mlt_playlist;            /**< pointer to Playlist object */
  98 typedef struct mlt_multitrack_s *mlt_multitrack;        /**< pointer to Multitrack object */
  99 typedef struct mlt_filter_s *mlt_filter;                /**< pointer to Filter object */
 100 typedef struct mlt_transition_s *mlt_transition;        /**< pointer to Transition object */
 101 typedef struct mlt_tractor_s *mlt_tractor;              /**< pointer to Tractor object */
 102 typedef struct mlt_field_s *mlt_field;                  /**< pointer to Field object */
 103 typedef struct mlt_consumer_s *mlt_consumer;            /**< pointer to Consumer object */
 104 typedef struct mlt_parser_s *mlt_parser;                /**< pointer to Properties object */
 105 typedef struct mlt_deque_s *mlt_deque;                  /**< pointer to Deque object */
 106 typedef struct mlt_geometry_s *mlt_geometry;            /**< pointer to Geometry object */
 107 typedef struct mlt_geometry_item_s *mlt_geometry_item;  /**< pointer to Geometry Item object */
 108 typedef struct mlt_profile_s *mlt_profile;              /**< pointer to Profile object */
 109 typedef struct mlt_repository_s *mlt_repository;        /**< pointer to Repository object */
 110 typedef struct mlt_cache_s *mlt_cache;                  /**< pointer to Cache object */
 111 typedef struct mlt_cache_item_s *mlt_cache_item;        /**< pointer to CacheItem object */
 112
 113 typedef void ( *mlt_destructor )( void * );             /**< pointer to destructor function */
 114 typedef char *( *mlt_serialiser )( void *, int length );/**< pointer to serialization function */
 115
 116 #define MLT_SERVICE(x) ( ( mlt_service )( x ) )         /**< Cast to a Service pointer */
 117 #define MLT_PRODUCER(x) ( ( mlt_producer )( x ) )       /**< Cast to a Producer pointer */
 118 #define MLT_MULTITRACK(x) ( ( mlt_multitrack )( x ) )   /**< Cast to a Multitrack pointer */
 119 #define MLT_PLAYLIST(x) ( ( mlt_playlist )( x ) )       /**< Cast to a Playlist pointer */
 120 #define MLT_TRACTOR(x) ( ( mlt_tractor )( x ) )         /**< Cast to a Tractor pointer */
 121 #define MLT_FILTER(x) ( ( mlt_filter )( x ) )           /**< Cast to a Filter pointer */
 122 #define MLT_TRANSITION(x) ( ( mlt_transition )( x ) )   /**< Cast to a Transition pointer */
 123
 124 #endif