*/
#include <string.h>
+#include <pthread.h>
+#include <framework/mlt_factory.h>
#include "producer_avformat.h"
+#include "consumer_avformat.h"
+#include "filter_avcolour_space.h"
+#include "filter_avdeinterlace.h"
+#include "filter_avresample.h"
+
+// 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 )
+{
+ return mlt_pool_alloc( size );
+}
+
+void *av_realloc( void *ptr, unsigned int size )
+{
+ return mlt_pool_realloc( ptr, size );
+}
+
+void av_free( void *ptr )
+{
+ return mlt_pool_release( ptr );
+}
+#endif
+
+void avformat_destroy( void *ignore )
+{
+ // Clean up
+ av_free_static( );
+
+ // 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 );
+ }
+}
void *mlt_create_producer( char *id, void *arg )
{
+ avformat_init( );
if ( !strcmp( id, "avformat" ) )
return producer_avformat_init( arg );
return NULL;
void *mlt_create_filter( char *id, void *arg )
{
+ avformat_init( );
+ 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 );
return NULL;
}
void *mlt_create_consumer( char *id, void *arg )
{
+ avformat_init( );
+ if ( !strcmp( id, "avformat" ) )
+ return consumer_avformat_init( arg );
return NULL;
}