X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Favformat%2Ffactory.c;h=49d6b93dc3b0d45cd6f442600e9b6c322f517245;hb=cdf7162ebc07120e92166a0e43eaba21ecca25ba;hp=4d984ba1e963e2b1711fb75de9229cd5053fff5c;hpb=16c5c516008b9debec7765e34f4756f8063dee7e;p=melted diff --git a/src/modules/avformat/factory.c b/src/modules/avformat/factory.c index 4d984ba..49d6b93 100644 --- a/src/modules/avformat/factory.c +++ b/src/modules/avformat/factory.c @@ -19,11 +19,81 @@ */ #include +#include +#include #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 + +// 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 ); + av_log_set_level( -1 ); + } +} void *mlt_create_producer( char *id, void *arg ) { + avformat_init( ); if ( !strcmp( id, "avformat" ) ) return producer_avformat_init( arg ); return NULL; @@ -31,6 +101,15 @@ void *mlt_create_producer( char *id, void *arg ) void *mlt_create_filter( char *id, void *arg ) { + avformat_init( ); + if ( !strcmp( id, "avcolour_space" ) ) + return filter_avcolour_space_init( arg ); +#ifdef USE_MMX + if ( !strcmp( id, "avdeinterlace" ) ) + return filter_avdeinterlace_init( arg ); +#endif + if ( !strcmp( id, "avresample" ) ) + return filter_avresample_init( arg ); return NULL; } @@ -41,6 +120,9 @@ void *mlt_create_transition( char *id, void *arg ) void *mlt_create_consumer( char *id, void *arg ) { + avformat_init( ); + if ( !strcmp( id, "avformat" ) ) + return consumer_avformat_init( arg ); return NULL; }