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
25 #include <framework/mlt.h>
27 extern mlt_consumer
consumer_avformat_init( mlt_profile profile
, char *file
);
28 extern mlt_filter
filter_avcolour_space_init( void *arg
);
29 extern mlt_filter
filter_avdeinterlace_init( void *arg
);
30 extern mlt_filter
filter_avresample_init( char *arg
);
31 extern mlt_filter
filter_swscale_init( mlt_profile profile
, char *arg
);
32 extern mlt_producer
producer_avformat_init( mlt_profile profile
, char *file
);
34 // ffmpeg Header files
37 // A static flag used to determine if avformat has been initialised
38 static int avformat_initialised
= 0;
41 static pthread_mutex_t avformat_mutex
;
44 // These 3 functions should override the alloc functions in libavformat
45 // but some formats or codecs seem to crash when used (wmv in particular)
47 void *av_malloc( unsigned int size
)
49 return mlt_pool_alloc( size
);
52 void *av_realloc( void *ptr
, unsigned int size
)
54 return mlt_pool_realloc( ptr
, size
);
57 void av_free( void *ptr
)
59 return mlt_pool_release( ptr
);
63 void avformat_destroy( void *ignore
)
66 // av_free_static( ); -XXX this is deprecated
69 pthread_mutex_destroy( &avformat_mutex
);
75 pthread_mutex_lock( &avformat_mutex
);
78 void avformat_unlock( )
80 // Unlock the mutex now
81 pthread_mutex_unlock( &avformat_mutex
);
84 static void avformat_init( )
86 // Initialise avformat if necessary
87 if ( avformat_initialised
== 0 )
89 avformat_initialised
= 1;
90 pthread_mutex_init( &avformat_mutex
, NULL
);
92 mlt_factory_register_for_clean_up( NULL
, avformat_destroy
);
93 av_log_set_level( mlt_log_get_level() );
97 static void *create_service( mlt_profile profile
, mlt_service_type type
, const char *id
, void *arg
)
101 if ( !strcmp( id
, "avformat" ) )
103 if ( type
== producer_type
)
104 return producer_avformat_init( profile
, arg
);
105 else if ( type
== consumer_type
)
106 return consumer_avformat_init( profile
, arg
);
110 if ( !strcmp( id
, "avcolour_space" ) )
111 return filter_avcolour_space_init( arg
);
112 if ( !strcmp( id
, "avdeinterlace" ) )
113 return filter_avdeinterlace_init( arg
);
114 if ( !strcmp( id
, "avresample" ) )
115 return filter_avresample_init( arg
);
117 if ( !strcmp( id
, "swscale" ) )
118 return filter_swscale_init( profile
, arg
);
124 static mlt_properties
avformat_metadata( mlt_service_type type
, const char *id
, void *data
)
126 char file
[ PATH_MAX
];
127 const char *service_type
= NULL
;
131 service_type
= "consumer";
134 service_type
= "filter";
137 service_type
= "producer";
139 case transition_type
:
140 service_type
= "transition";
145 snprintf( file
, PATH_MAX
, "%s/avformat/%s_%s.yml", mlt_environment( "MLT_DATA" ), service_type
, id
);
146 return mlt_properties_parse_yaml( file
);
152 MLT_REGISTER( consumer_type
, "avformat", create_service
);
153 MLT_REGISTER( producer_type
, "avformat", create_service
);
154 MLT_REGISTER_METADATA( producer_type
, "avformat", avformat_metadata
, NULL
);
157 MLT_REGISTER( filter_type
, "avcolour_space", create_service
);
158 MLT_REGISTER( filter_type
, "avcolor_space", create_service
);
159 MLT_REGISTER( filter_type
, "avdeinterlace", create_service
);
160 MLT_REGISTER( filter_type
, "avresample", create_service
);
162 MLT_REGISTER( filter_type
, "swscale", create_service
);