* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
+#include <pthread.h>
+#include <limits.h>
-#include "producer_avformat.h"
+#include <framework/mlt.h>
-void *mlt_create_producer( char *id, void *arg )
+extern mlt_consumer consumer_avformat_init( mlt_profile profile, char *file );
+extern mlt_filter filter_avcolour_space_init( void *arg );
+extern mlt_filter filter_avdeinterlace_init( void *arg );
+extern mlt_filter filter_avresample_init( char *arg );
+extern mlt_filter filter_swscale_init( mlt_profile profile, char *arg );
+extern mlt_producer producer_avformat_init( mlt_profile profile, char *file );
+
+// ffmpeg Header files
+#include <avformat.h>
+
+// A static flag used to determine if avformat has been initialised
+static int avformat_initialised = 0;
+
+// A locking mutex
+static pthread_mutex_t avformat_mutex;
+
+#if 0
+// These 3 functions should override the alloc functions in libavformat
+// but some formats or codecs seem to crash when used (wmv in particular)
+
+void *av_malloc( unsigned int size )
{
- if ( !strcmp( id, "avformat" ) )
- return producer_avformat_init( arg );
- return NULL;
+ return mlt_pool_alloc( size );
}
-void *mlt_create_filter( char *id, void *arg )
+void *av_realloc( void *ptr, unsigned int size )
{
- return NULL;
+ return mlt_pool_realloc( ptr, size );
}
-void *mlt_create_transition( char *id, void *arg )
+void av_free( void *ptr )
{
- return NULL;
+ return mlt_pool_release( ptr );
+}
+#endif
+
+void avformat_destroy( void *ignore )
+{
+ // Clean up
+ // av_free_static( ); -XXX this is deprecated
+
+ // Destroy the mutex
+ pthread_mutex_destroy( &avformat_mutex );
+}
+
+void avformat_lock( )
+{
+ // Lock the mutex now
+ pthread_mutex_lock( &avformat_mutex );
+}
+
+void avformat_unlock( )
+{
+ // Unlock the mutex now
+ pthread_mutex_unlock( &avformat_mutex );
+}
+
+static void avformat_init( )
+{
+ // Initialise avformat if necessary
+ if ( avformat_initialised == 0 )
+ {
+ avformat_initialised = 1;
+ pthread_mutex_init( &avformat_mutex, NULL );
+ av_register_all( );
+ mlt_factory_register_for_clean_up( NULL, avformat_destroy );
+ av_log_set_level( mlt_log_get_level() );
+ }
}
-void *mlt_create_consumer( char *id, void *arg )
+static void *create_service( mlt_profile profile, mlt_service_type type, const char *id, void *arg )
{
+ avformat_init( );
+#ifdef CODECS
+ if ( !strcmp( id, "avformat" ) )
+ {
+ if ( type == producer_type )
+ return producer_avformat_init( profile, arg );
+ else if ( type == consumer_type )
+ return consumer_avformat_init( profile, arg );
+ }
+#endif
+#ifdef FILTERS
+ if ( !strcmp( id, "avcolour_space" ) )
+ return filter_avcolour_space_init( arg );
+ if ( !strcmp( id, "avdeinterlace" ) )
+ return filter_avdeinterlace_init( arg );
+ if ( !strcmp( id, "avresample" ) )
+ return filter_avresample_init( arg );
+#ifdef SWSCALE
+ if ( !strcmp( id, "swscale" ) )
+ return filter_swscale_init( profile, arg );
+#endif
+#endif
return NULL;
}
+static mlt_properties avformat_metadata( mlt_service_type type, const char *id, void *data )
+{
+ char file[ PATH_MAX ];
+ char *service_type = NULL;
+ switch ( type )
+ {
+ case consumer_type:
+ service_type = "consumer";
+ break;
+ case filter_type:
+ service_type = "filter";
+ break;
+ case producer_type:
+ service_type = "producer";
+ break;
+ case transition_type:
+ service_type = "transition";
+ break;
+ default:
+ return NULL;
+ }
+ snprintf( file, PATH_MAX, "%s/avformat/%s_%s.yml", mlt_environment( "MLT_DATA" ), service_type, id );
+ return mlt_properties_parse_yaml( file );
+}
+
+MLT_REPOSITORY
+{
+#ifdef CODECS
+ MLT_REGISTER( consumer_type, "avformat", create_service );
+ MLT_REGISTER( producer_type, "avformat", create_service );
+ MLT_REGISTER_METADATA( producer_type, "avformat", avformat_metadata, NULL );
+#endif
+#ifdef FILTERS
+ MLT_REGISTER( filter_type, "avcolour_space", create_service );
+ MLT_REGISTER( filter_type, "avcolor_space", create_service );
+ MLT_REGISTER( filter_type, "avdeinterlace", create_service );
+ MLT_REGISTER( filter_type, "avresample", create_service );
+#ifdef SWSCALE
+ MLT_REGISTER( filter_type, "swscale", create_service );
+#endif
+#endif
+}