VLCLibrary.m 3.8 KB

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  1. /*****************************************************************************
  2. * VLCLibrary.m: VLCKit.framework VLCLibrary implementation
  3. *****************************************************************************
  4. * Copyright (C) 2007 Pierre d'Herbemont
  5. * Copyright (C) 2007 the VideoLAN team
  6. * $Id$
  7. *
  8. * Authors: Pierre d'Herbemont <pdherbemont # 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. #import "VLCLibrary.h"
  25. #import "VLCLibVLCBridging.h"
  26. #ifdef HAVE_CONFIG_H
  27. # include "config.h"
  28. #endif
  29. #include <vlc/vlc.h>
  30. #include <vlc/libvlc_structures.h>
  31. static VLCLibrary * sharedLibrary = nil;
  32. void __catch_exception( void * e, const char * function, const char * file, int line_number )
  33. {
  34. libvlc_exception_t * ex = (libvlc_exception_t *)e;
  35. if( libvlc_exception_raised( ex ) )
  36. {
  37. NSException* libvlcException = [NSException
  38. exceptionWithName:@"LibVLCException"
  39. reason:[NSString stringWithFormat:@"libvlc has thrown us an error: %s (%s:%d %s)",
  40. libvlc_exception_get_message( ex ), file, line_number, function]
  41. userInfo:nil];
  42. libvlc_exception_clear( ex );
  43. @throw libvlcException;
  44. }
  45. }
  46. void * CreateSharedLibraryOnStartup( void )
  47. {
  48. NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  49. /* This library is not loaded for no reason, so let's create
  50. * a VLCLibrary instance. */
  51. [VLCLibrary sharedLibrary];
  52. [pool release];
  53. return NULL;
  54. }
  55. void * DestroySharedLibraryAtExit( void )
  56. {
  57. /* Release the global object that may have been alloc-ed
  58. * in -[VLCLibrary init] */
  59. [sharedLibrary release];
  60. sharedLibrary = nil;
  61. return NULL;
  62. }
  63. @implementation VLCLibrary
  64. + (VLCLibrary *)sharedLibrary
  65. {
  66. if (!sharedLibrary)
  67. {
  68. /* Initialize a shared instance */
  69. sharedLibrary = [[self alloc] init];
  70. }
  71. return sharedLibrary;
  72. }
  73. - (id)init
  74. {
  75. if (self = [super init])
  76. {
  77. libvlc_exception_t ex;
  78. libvlc_exception_init( &ex );
  79. const char * lib_vlc_params[] = {
  80. "-I", "dummy", "--vout=opengllayer",
  81. "--no-video-title-show", "--no-sout-keep"
  82. //, "--control=motion", "--motion-use-rotate", "--video-filter=rotate"
  83. };
  84. instance = (void *)libvlc_new( sizeof(lib_vlc_params)/sizeof(lib_vlc_params[0]), lib_vlc_params, &ex );
  85. catch_exception( &ex );
  86. // Assignment unneeded, as the audio unit will do it for us
  87. /*audio = */ [[VLCAudio alloc] initWithLibrary:self];
  88. }
  89. return self;
  90. }
  91. - (void)dealloc
  92. {
  93. if( instance )
  94. libvlc_release( instance );
  95. if( self == sharedLibrary )
  96. sharedLibrary = nil;
  97. instance = nil;
  98. [audio release];
  99. [super dealloc];
  100. }
  101. @synthesize audio;
  102. @end
  103. @implementation VLCLibrary (VLCLibVLCBridging)
  104. + (void *)sharedInstance
  105. {
  106. return [self sharedLibrary].instance;
  107. }
  108. - (void *)instance
  109. {
  110. return instance;
  111. }
  112. @end
  113. @implementation VLCLibrary (VLCAudioBridging)
  114. - (void)setAudio:(VLCAudio *)value
  115. {
  116. if (!audio)
  117. audio = value;
  118. }
  119. @end