X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_producer.c;h=63a443fffa99a0fcb4f0a7f3828ad9e29ad299a3;hb=2a800ec4c840132c7a629b764b673dce09771637;hp=c3ba4e6ba1c87410676cb8996ce987466541e6ec;hpb=2ec3359e476bc73d56e09fb597e1a424f2d1708d;p=melted diff --git a/src/framework/mlt_producer.c b/src/framework/mlt_producer.c index c3ba4e6..63a443f 100644 --- a/src/framework/mlt_producer.c +++ b/src/framework/mlt_producer.c @@ -20,6 +20,7 @@ #include "config.h" #include "mlt_producer.h" +#include "mlt_factory.h" #include "mlt_frame.h" #include #include @@ -36,39 +37,57 @@ static int producer_get_frame( mlt_service this, mlt_frame_ptr frame, int index int mlt_producer_init( mlt_producer this, void *child ) { - // Initialise the producer - memset( this, 0, sizeof( struct mlt_producer_s ) ); - - // Associate with the child - this->child = child; + // Check that we haven't received NULL + int error = this == NULL; - // Initialise the service - if ( mlt_service_init( &this->parent, this ) == 0 ) + // Continue if no error + if ( error == 0 ) { - // The parent is the service - mlt_service parent = &this->parent; - - // Get the properties of the parent - mlt_properties properties = mlt_service_properties( parent ); - - // Set the default properties - mlt_properties_set( properties, "mlt_type", "mlt_producer" ); - mlt_properties_set_position( properties, "position", 0.0 ); - mlt_properties_set_double( properties, "frame", 0 ); - mlt_properties_set_double( properties, "fps", 25.0 ); - mlt_properties_set_double( properties, "speed", 1.0 ); - mlt_properties_set_position( properties, "in", 0 ); - mlt_properties_set_position( properties, "out", 1799999 ); - mlt_properties_set_position( properties, "length", 1800000 ); - mlt_properties_set_double( properties, "aspect_ratio", 4.0 / 3.0 ); - mlt_properties_set( properties, "eof", "pause" ); - mlt_properties_set( properties, "resource", "" ); - - // Override service get_frame - parent->get_frame = producer_get_frame; + // Initialise the producer + memset( this, 0, sizeof( struct mlt_producer_s ) ); + + // Associate with the child + this->child = child; + + // Initialise the service + if ( mlt_service_init( &this->parent, this ) == 0 ) + { + // Get the normalisation preference + char *normalisation = mlt_environment( "MLT_NORMALISATION" ); + + // The parent is the service + mlt_service parent = &this->parent; + + // Get the properties of the parent + mlt_properties properties = mlt_service_properties( parent ); + + // Set the default properties + mlt_properties_set( properties, "mlt_type", "mlt_producer" ); + mlt_properties_set_position( properties, "_position", 0.0 ); + mlt_properties_set_double( properties, "_frame", 0 ); + if ( normalisation == NULL || strcmp( normalisation, "NTSC" ) ) + { + mlt_properties_set_double( properties, "fps", 25.0 ); + mlt_properties_set_double( properties, "aspect_ratio", 72.0 / 79.0 ); + } + else + { + mlt_properties_set_double( properties, "fps", 30000.0 / 1001.0 ); + mlt_properties_set_double( properties, "aspect_ratio", 128.0 / 117.0 ); + } + mlt_properties_set_double( properties, "_speed", 1.0 ); + mlt_properties_set_position( properties, "in", 0 ); + mlt_properties_set_position( properties, "out", 14999 ); + mlt_properties_set_position( properties, "length", 15000 ); + mlt_properties_set( properties, "eof", "pause" ); + mlt_properties_set( properties, "resource", "" ); + + // Override service get_frame + parent->get_frame = producer_get_frame; + } } - return 0; + return error; } /** Get the parent service object. @@ -97,15 +116,24 @@ int mlt_producer_seek( mlt_producer this, mlt_position position ) // Check bounds if ( position < 0 ) + { position = 0; + } else if ( !strcmp( eof, "pause" ) && position >= mlt_producer_get_playtime( this ) ) + { + mlt_producer_set_speed( this, 0 ); position = mlt_producer_get_playtime( this ) - 1; + } + else if ( !strcmp( eof, "loop" ) && position >= mlt_producer_get_playtime( this ) ) + { + position = position % mlt_producer_get_playtime( this ); + } // Set the position - mlt_properties_set_position( mlt_producer_properties( this ), "position", position ); + mlt_properties_set_position( mlt_producer_properties( this ), "_position", position ); // Calculate the absolute frame - mlt_properties_set_position( mlt_producer_properties( this ), "frame", mlt_producer_get_in( this ) + position ); + mlt_properties_set_position( mlt_producer_properties( this ), "_frame", mlt_producer_get_in( this ) + position ); return 0; } @@ -115,11 +143,7 @@ int mlt_producer_seek( mlt_producer this, mlt_position position ) mlt_position mlt_producer_position( mlt_producer this ) { - //char *resource = mlt_properties_get( mlt_producer_properties( this ), "resource" ); - //mlt_position frame = mlt_properties_get_position( mlt_producer_properties( this ), "frame" ); - //mlt_position position = mlt_properties_get_position( mlt_producer_properties( this ), "position" ); - //fprintf( stderr, "%s: %lld %lld\n", resource, frame, position ); - return mlt_properties_get_position( mlt_producer_properties( this ), "position" ); + return mlt_properties_get_position( mlt_producer_properties( this ), "_position" ); } /** Get the current position (relative to start of producer). @@ -127,7 +151,7 @@ mlt_position mlt_producer_position( mlt_producer this ) mlt_position mlt_producer_frame( mlt_producer this ) { - return mlt_properties_get_position( mlt_producer_properties( this ), "frame" ); + return mlt_properties_get_position( mlt_producer_properties( this ), "_frame" ); } /** Set the playing speed. @@ -135,7 +159,7 @@ mlt_position mlt_producer_frame( mlt_producer this ) int mlt_producer_set_speed( mlt_producer this, double speed ) { - return mlt_properties_set_double( mlt_producer_properties( this ), "speed", speed ); + return mlt_properties_set_double( mlt_producer_properties( this ), "_speed", speed ); } /** Get the playing speed. @@ -143,7 +167,7 @@ int mlt_producer_set_speed( mlt_producer this, double speed ) double mlt_producer_get_speed( mlt_producer this ) { - return mlt_properties_get_double( mlt_producer_properties( this ), "speed" ); + return mlt_properties_get_double( mlt_producer_properties( this ), "_speed" ); } /** Get the frames per second. @@ -245,6 +269,10 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind // Set the position result = mlt_frame_set_position( *frame, mlt_producer_position( this ) ); + // Mark as a test card + mlt_properties_set_int( mlt_frame_properties( *frame ), "test_image", 1 ); + mlt_properties_set_int( mlt_frame_properties( *frame ), "test_audio", 1 ); + // Calculate the next position mlt_producer_prepare_next( this ); } @@ -258,7 +286,7 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind mlt_properties properties = mlt_frame_properties( *frame ); mlt_properties_set_double( properties, "fps", mlt_producer_get_fps( this ) ); double speed = mlt_producer_get_speed( this ); - mlt_properties_set_double( properties, "speed", speed ); + mlt_properties_set_double( properties, "_speed", speed ); return 0; }