2 * factory.c -- the factory method interfaces
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Charles Yates <charles.yates@pandora.be>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
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 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <framework/mlt.h>
26 extern mlt_consumer
consumer_avformat_init( mlt_profile profile
, char *file
);
27 extern mlt_filter
filter_avcolour_space_init( void *arg
);
28 extern mlt_filter
filter_avdeinterlace_init( void *arg
);
29 extern mlt_filter
filter_avresample_init( char *arg
);
30 extern mlt_producer
producer_avformat_init( mlt_profile profile
, char *file
);
32 // ffmpeg Header files
35 // A static flag used to determine if avformat has been initialised
36 static int avformat_initialised
= 0;
39 static pthread_mutex_t avformat_mutex
;
42 // These 3 functions should override the alloc functions in libavformat
43 // but some formats or codecs seem to crash when used (wmv in particular)
45 void *av_malloc( unsigned int size
)
47 return mlt_pool_alloc( size
);
50 void *av_realloc( void *ptr
, unsigned int size
)
52 return mlt_pool_realloc( ptr
, size
);
55 void av_free( void *ptr
)
57 return mlt_pool_release( ptr
);
61 void avformat_destroy( void *ignore
)
64 // av_free_static( ); -XXX this is deprecated
67 pthread_mutex_destroy( &avformat_mutex
);
73 pthread_mutex_lock( &avformat_mutex
);
76 void avformat_unlock( )
78 // Unlock the mutex now
79 pthread_mutex_unlock( &avformat_mutex
);
82 static void avformat_init( )
84 // Initialise avformat if necessary
85 if ( avformat_initialised
== 0 )
87 avformat_initialised
= 1;
88 pthread_mutex_init( &avformat_mutex
, NULL
);
90 mlt_factory_register_for_clean_up( NULL
, avformat_destroy
);
91 av_log_set_level( -1 );
95 static void *create_service( mlt_profile profile
, mlt_service_type type
, const char *id
, void *arg
)
98 if ( !strcmp( id
, "avformat" ) )
100 if ( type
== producer_type
)
101 return producer_avformat_init( profile
, arg
);
102 else if ( type
== consumer_type
)
103 return consumer_avformat_init( profile
, arg
);
105 if ( !strcmp( id
, "avcolour_space" ) )
106 return filter_avcolour_space_init( arg
);
108 if ( !strcmp( id
, "avdeinterlace" ) )
109 return filter_avdeinterlace_init( arg
);
111 if ( !strcmp( id
, "avresample" ) )
112 return filter_avresample_init( arg
);
118 MLT_REGISTER( consumer_type
, "avformat", create_service
);
119 MLT_REGISTER( producer_type
, "avformat", create_service
);
120 MLT_REGISTER( filter_type
, "avcolour_space", create_service
);
121 MLT_REGISTER( filter_type
, "avcolor_space", create_service
);
122 MLT_REGISTER( filter_type
, "avdeinterlace", create_service
);
123 MLT_REGISTER( filter_type
, "avresample", create_service
);