research.m1stereo.tv/gitweb/ - melted/blob - src/valerie/valerie.h

   1 /*
   2  * valerie.h -- High Level Client API for miracle
   3  * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program 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
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef _VALERIE_H_
  22 #define _VALERIE_H_
  23
  24 /* System header files */
  25 #include <limits.h>
  26
  27 /* MLT Header files. */
  28 #include <framework/mlt.h>
  29
  30 /* Application header files */
  31 #include "valerie_parser.h"
  32 #include "valerie_status.h"
  33 #include "valerie_notifier.h"
  34
  35 #ifdef __cplusplus
  36 extern "C"
  37 {
  38 #endif
  39
  40 /** Client error conditions
  41 */
  42
  43 typedef enum
  44 {
  45         valerie_ok = 0,
  46         valerie_malloc_failed,
  47         valerie_unknown_error,
  48         valerie_no_response,
  49         valerie_invalid_command,
  50         valerie_server_timeout,
  51         valerie_missing_argument,
  52         valerie_server_unavailable,
  53         valerie_unit_creation_failed,
  54         valerie_unit_unavailable,
  55         valerie_invalid_file,
  56         valerie_invalid_position
  57 }
  58 valerie_error_code;
  59
  60 /** Clip index specification.
  61 */
  62
  63 typedef enum
  64 {
  65         valerie_absolute = 0,
  66         valerie_relative
  67 }
  68 valerie_clip_offset;
  69
  70 /** Client structure.
  71 */
  72
  73 typedef struct
  74 {
  75         valerie_parser parser;
  76         valerie_response last_response;
  77 }
  78 *valerie, valerie_t;
  79
  80 /** Client API.
  81 */
  82
  83 extern valerie valerie_init( valerie_parser );
  84
  85 /* Connect to the valerie parser instance */
  86 extern valerie_error_code valerie_connect( valerie );
  87
  88 /* Global functions */
  89 extern valerie_error_code valerie_set( valerie, char *, char * );
  90 extern valerie_error_code valerie_get( valerie, char *, char *, int );
  91 extern valerie_error_code valerie_run( valerie, char * );
  92
  93 /* Unit functions */
  94 extern valerie_error_code valerie_unit_add( valerie, char *, int * );
  95 extern valerie_error_code valerie_unit_load( valerie, int, char * );
  96 extern valerie_error_code valerie_unit_load_clipped( valerie, int, char *, int32_t, int32_t );
  97 extern valerie_error_code valerie_unit_load_back( valerie, int, char * );
  98 extern valerie_error_code valerie_unit_load_back_clipped( valerie, int, char *, int32_t, int32_t );
  99 extern valerie_error_code valerie_unit_append( valerie, int, char *, int32_t, int32_t );
 100 extern valerie_error_code valerie_unit_push( valerie, int, char *, mlt_service );
 101 extern valerie_error_code valerie_unit_clean( valerie, int );
 102 extern valerie_error_code valerie_unit_clear( valerie, int );
 103 extern valerie_error_code valerie_unit_clip_move( valerie, int, valerie_clip_offset, int, valerie_clip_offset, int );
 104 extern valerie_error_code valerie_unit_clip_remove( valerie, int, valerie_clip_offset, int );
 105 extern valerie_error_code valerie_unit_remove_current_clip( valerie, int );
 106 extern valerie_error_code valerie_unit_clip_insert( valerie, int, valerie_clip_offset, int, char *, int32_t, int32_t );
 107 extern valerie_error_code valerie_unit_play( valerie, int );
 108 extern valerie_error_code valerie_unit_play_at_speed( valerie, int, int );
 109 extern valerie_error_code valerie_unit_stop( valerie, int );
 110 extern valerie_error_code valerie_unit_pause( valerie, int );
 111 extern valerie_error_code valerie_unit_rewind( valerie, int );
 112 extern valerie_error_code valerie_unit_fast_forward( valerie, int );
 113 extern valerie_error_code valerie_unit_step( valerie, int, int32_t );
 114 extern valerie_error_code valerie_unit_goto( valerie, int, int32_t );
 115 extern valerie_error_code valerie_unit_clip_goto( valerie, int, valerie_clip_offset, int, int32_t );
 116 extern valerie_error_code valerie_unit_clip_set_in( valerie, int, valerie_clip_offset, int, int32_t );
 117 extern valerie_error_code valerie_unit_clip_set_out( valerie, int, valerie_clip_offset, int, int32_t );
 118 extern valerie_error_code valerie_unit_set_in( valerie, int, int32_t );
 119 extern valerie_error_code valerie_unit_set_out( valerie, int, int32_t );
 120 extern valerie_error_code valerie_unit_clear_in( valerie, int );
 121 extern valerie_error_code valerie_unit_clear_out( valerie, int );
 122 extern valerie_error_code valerie_unit_clear_in_out( valerie, int );
 123 extern valerie_error_code valerie_unit_set( valerie, int, char *, char * );
 124 extern valerie_error_code valerie_unit_get( valerie, int, char * );
 125 extern valerie_error_code valerie_unit_status( valerie, int, valerie_status );
 126 extern valerie_error_code valerie_unit_transfer( valerie, int, int );
 127
 128 /* Notifier functionality. */
 129 extern valerie_notifier valerie_get_notifier( valerie );
 130
 131 /** Structure for the directory.
 132 */
 133
 134 typedef struct
 135 {
 136         char *directory;
 137         valerie_response response;
 138 }
 139 *valerie_dir, valerie_dir_t;
 140
 141 /** Directory entry structure.
 142 */
 143
 144 typedef struct
 145 {
 146         int dir;
 147         char name[ NAME_MAX ];
 148         char full[ PATH_MAX + NAME_MAX ];
 149         unsigned long long size;
 150 }
 151 *valerie_dir_entry, valerie_dir_entry_t;
 152
 153 /* Directory reading. */
 154 extern valerie_dir valerie_dir_init( valerie, char * );
 155 extern valerie_error_code valerie_dir_get_error_code( valerie_dir );
 156 extern valerie_error_code valerie_dir_get( valerie_dir, int, valerie_dir_entry );
 157 extern int valerie_dir_count( valerie_dir );
 158 extern void valerie_dir_close( valerie_dir );
 159
 160 /** Structure for the list.
 161 */
 162
 163 typedef struct
 164 {
 165         int generation;
 166         valerie_response response;
 167 }
 168 *valerie_list, valerie_list_t;
 169
 170 /** List entry structure.
 171 */
 172
 173 typedef struct
 174 {
 175         int clip;
 176         char full[ PATH_MAX + NAME_MAX ];
 177         int32_t in;
 178         int32_t out;
 179         int32_t max;
 180         int32_t size;
 181         int32_t fps;
 182 }
 183 *valerie_list_entry, valerie_list_entry_t;
 184
 185 /* List reading. */
 186 extern valerie_list valerie_list_init( valerie, int );
 187 extern valerie_error_code valerie_list_get_error_code( valerie_list );
 188 extern valerie_error_code valerie_list_get( valerie_list, int, valerie_list_entry );
 189 extern int valerie_list_count( valerie_list );
 190 extern void valerie_list_close( valerie_list );
 191
 192 /** Structure for nodes.
 193 */
 194
 195 typedef struct
 196 {
 197         valerie_response response;
 198 }
 199 *valerie_nodes, valerie_nodes_t;
 200
 201 /** Node entry structure.
 202 */
 203
 204 typedef struct
 205 {
 206         int node;
 207         char guid[ 17 ];
 208         char name[ 1024 ];
 209 }
 210 *valerie_node_entry, valerie_node_entry_t;
 211
 212 /* Node reading. */
 213 extern valerie_nodes valerie_nodes_init( valerie );
 214 extern valerie_error_code valerie_nodes_get_error_code( valerie_nodes );
 215 extern valerie_error_code valerie_nodes_get( valerie_nodes, int, valerie_node_entry );
 216 extern int valerie_nodes_count( valerie_nodes );
 217 extern void valerie_nodes_close( valerie_nodes );
 218
 219 /** Structure for units.
 220 */
 221
 222 typedef struct
 223 {
 224         valerie_response response;
 225 }
 226 *valerie_units, valerie_units_t;
 227
 228 /** Unit entry structure.
 229 */
 230
 231 typedef struct
 232 {
 233         int unit;
 234         int node;
 235         char guid[ 512 ];
 236         int online;
 237 }
 238 *valerie_unit_entry, valerie_unit_entry_t;
 239
 240 /* Unit reading. */
 241 extern valerie_units valerie_units_init( valerie );
 242 extern valerie_error_code valerie_units_get_error_code( valerie_units );
 243 extern valerie_error_code valerie_units_get( valerie_units, int, valerie_unit_entry );
 244 extern int valerie_units_count( valerie_units );
 245 extern void valerie_units_close( valerie_units );
 246
 247 /* Miscellaenous functions */
 248 extern valerie_response valerie_get_last_response( valerie );
 249 extern char *valerie_error_description( valerie_error_code );
 250
 251 /* Courtesy functions. */
 252 extern valerie_error_code valerie_execute( valerie, size_t, char *, ... );
 253 extern valerie_error_code valerie_push( valerie, mlt_service, size_t, char *, ... );
 254
 255 /* Close function. */
 256 extern void valerie_close( valerie );
 257
 258 #ifdef __cplusplus
 259 }
 260 #endif
 261
 262 #endif