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, const char *service, char *file );
34 // ffmpeg Header files
40 // A static flag used to determine if avformat has been initialised
41 static int avformat_initialised = 0;
44 static pthread_mutex_t avformat_mutex;
47 // These 3 functions should override the alloc functions in libavformat
48 // but some formats or codecs seem to crash when used (wmv in particular)
50 void *av_malloc( unsigned int size )
52 return mlt_pool_alloc( size );
55 void *av_realloc( void *ptr, unsigned int size )
57 return mlt_pool_realloc( ptr, size );
60 void av_free( void *ptr )
62 return mlt_pool_release( ptr );
66 void avformat_destroy( void *ignore )
69 // av_free_static( ); -XXX this is deprecated
72 pthread_mutex_destroy( &avformat_mutex );
78 pthread_mutex_lock( &avformat_mutex );
81 void avformat_unlock( )
83 // Unlock the mutex now
84 pthread_mutex_unlock( &avformat_mutex );
87 static void avformat_init( )
89 // Initialise avformat if necessary
90 if ( avformat_initialised == 0 )
92 avformat_initialised = 1;
93 pthread_mutex_init( &avformat_mutex, NULL );
96 avdevice_register_all();
98 mlt_factory_register_for_clean_up( NULL, avformat_destroy );
99 av_log_set_level( mlt_log_get_level() );
103 static void *create_service( mlt_profile profile, mlt_service_type type, const char *id, void *arg )
107 if ( !strncmp( id, "avformat", 8 ) )
109 if ( type == producer_type )
110 return producer_avformat_init( profile, id, arg );
111 else if ( type == consumer_type )
112 return consumer_avformat_init( profile, arg );
116 if ( !strcmp( id, "avcolor_space" ) )
117 return filter_avcolour_space_init( arg );
118 if ( !strcmp( id, "avcolour_space" ) )
119 return filter_avcolour_space_init( arg );
120 if ( !strcmp( id, "avdeinterlace" ) )
121 return filter_avdeinterlace_init( arg );
122 if ( !strcmp( id, "avresample" ) )
123 return filter_avresample_init( arg );
125 if ( !strcmp( id, "swscale" ) )
126 return filter_swscale_init( profile, arg );
132 static mlt_properties avformat_metadata( mlt_service_type type, const char *id, void *data )
134 char file[ PATH_MAX ];
135 const char *service_type = NULL;
139 service_type = "consumer";
142 service_type = "filter";
145 service_type = "producer";
147 case transition_type:
148 service_type = "transition";
153 snprintf( file, PATH_MAX, "%s/avformat/%s_%s.yml", mlt_environment( "MLT_DATA" ), service_type, id );
154 return mlt_properties_parse_yaml( file );
160 MLT_REGISTER( consumer_type, "avformat", create_service );
161 MLT_REGISTER( producer_type, "avformat", create_service );
162 MLT_REGISTER( producer_type, "avformat-novalidate", create_service );
163 MLT_REGISTER_METADATA( producer_type, "avformat", avformat_metadata, NULL );
166 MLT_REGISTER( filter_type, "avcolour_space", create_service );
167 MLT_REGISTER( filter_type, "avcolor_space", create_service );
168 MLT_REGISTER( filter_type, "avdeinterlace", create_service );
169 MLT_REGISTER( filter_type, "avresample", create_service );
171 MLT_REGISTER( filter_type, "swscale", create_service );