X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_transition.c;h=435fdb6c62a94b863c53ff1c36623f172838b13f;hb=2d71618ab696a31fabfbc2265b2ad0d5cc9171b2;hp=afafc230aae2aa8fd5f591fbc6da044aa22cf910;hpb=4db14da139d0cce1807d5f3530b271238786b795;p=melted diff --git a/src/framework/mlt_transition.c b/src/framework/mlt_transition.c index afafc23..435fdb6 100644 --- a/src/framework/mlt_transition.c +++ b/src/framework/mlt_transition.c @@ -42,9 +42,11 @@ int mlt_transition_init( mlt_transition this, void *child ) this->child = child; if ( mlt_service_init( service, this ) == 0 ) { - mlt_properties properties = mlt_transition_properties( this ); + mlt_properties properties = MLT_TRANSITION_PROPERTIES( this ); service->get_frame = transition_get_frame; + service->close = ( mlt_destructor )mlt_transition_close; + service->close_object = this; mlt_properties_set_position( properties, "in", 0 ); mlt_properties_set_position( properties, "out", 0 ); @@ -80,7 +82,7 @@ mlt_service mlt_transition_service( mlt_transition this ) mlt_properties mlt_transition_properties( mlt_transition this ) { - return mlt_service_properties( mlt_transition_service( this ) ); + return MLT_TRANSITION_PROPERTIES( this ); } /** Connect this transition with a producers a and b tracks. @@ -91,7 +93,7 @@ int mlt_transition_connect( mlt_transition this, mlt_service producer, int a_tra int ret = mlt_service_connect_producer( &this->parent, producer, a_track ); if ( ret == 0 ) { - mlt_properties properties = mlt_transition_properties( this ); + mlt_properties properties = MLT_TRANSITION_PROPERTIES( this ); this->producer = producer; mlt_properties_set_int( properties, "a_track", a_track ); mlt_properties_set_int( properties, "b_track", b_track ); @@ -104,7 +106,7 @@ int mlt_transition_connect( mlt_transition this, mlt_service producer, int a_tra void mlt_transition_set_in_and_out( mlt_transition this, mlt_position in, mlt_position out ) { - mlt_properties properties = mlt_transition_properties( this ); + mlt_properties properties = MLT_TRANSITION_PROPERTIES( this ); mlt_properties_set_position( properties, "in", in ); mlt_properties_set_position( properties, "out", out ); } @@ -114,7 +116,7 @@ void mlt_transition_set_in_and_out( mlt_transition this, mlt_position in, mlt_po int mlt_transition_get_a_track( mlt_transition this ) { - return mlt_properties_get_int( mlt_transition_properties( this ), "a_track" ); + return mlt_properties_get_int( MLT_TRANSITION_PROPERTIES( this ), "a_track" ); } /** Get the index of the b track. @@ -122,7 +124,7 @@ int mlt_transition_get_a_track( mlt_transition this ) int mlt_transition_get_b_track( mlt_transition this ) { - return mlt_properties_get_int( mlt_transition_properties( this ), "b_track" ); + return mlt_properties_get_int( MLT_TRANSITION_PROPERTIES( this ), "b_track" ); } /** Get the in point. @@ -130,7 +132,7 @@ int mlt_transition_get_b_track( mlt_transition this ) mlt_position mlt_transition_get_in( mlt_transition this ) { - return mlt_properties_get_position( mlt_transition_properties( this ), "in" ); + return mlt_properties_get_position( MLT_TRANSITION_PROPERTIES( this ), "in" ); } /** Get the out point. @@ -138,7 +140,7 @@ mlt_position mlt_transition_get_in( mlt_transition this ) mlt_position mlt_transition_get_out( mlt_transition this ) { - return mlt_properties_get_position( mlt_transition_properties( this ), "out" ); + return mlt_properties_get_position( MLT_TRANSITION_PROPERTIES( this ), "out" ); } /** Process the frame. @@ -173,12 +175,14 @@ static int transition_get_frame( mlt_service service, mlt_frame_ptr frame, int i { mlt_transition this = service->child; - mlt_properties properties = mlt_transition_properties( this ); + mlt_properties properties = MLT_TRANSITION_PROPERTIES( this ); + int accepts_blanks = mlt_properties_get_int( properties, "_accepts_blanks" ); int a_track = mlt_properties_get_int( properties, "a_track" ); int b_track = mlt_properties_get_int( properties, "b_track" ); mlt_position in = mlt_properties_get_position( properties, "in" ); mlt_position out = mlt_properties_get_position( properties, "out" ); + int always_active = mlt_properties_get_int( properties, "always_active" ); if ( ( index == a_track || index == b_track ) && !( this->a_held || this->b_held ) ) { @@ -193,14 +197,29 @@ static int transition_get_frame( mlt_service service, mlt_frame_ptr frame, int i { // Determine if we're in the right time zone mlt_position position = mlt_frame_get_position( this->a_frame ); - if ( position >= in && position <= out ) + if ( always_active || ( position >= in && position <= out ) ) { - // Process the transition - *frame = mlt_transition_process( this, this->a_frame, this->b_frame ); - if ( !mlt_properties_get_int( mlt_frame_properties( this->a_frame ), "test_image" ) ) - mlt_properties_set_int( mlt_frame_properties( this->b_frame ), "test_image", 1 ); - if ( !mlt_properties_get_int( mlt_frame_properties( this->a_frame ), "test_audio" ) ) - mlt_properties_set_int( mlt_frame_properties( this->b_frame ), "test_audio", 1 ); + if ( !accepts_blanks && ( this->b_frame == NULL || ( mlt_frame_is_test_card( this->b_frame ) && mlt_frame_is_test_audio( this->b_frame ) ) ) ) + { + *frame = this->a_frame; + } + else if ( !accepts_blanks && ( this->a_frame == NULL || ( mlt_frame_is_test_card( this->a_frame ) && mlt_frame_is_test_audio( this->a_frame ) ) ) ) + { + mlt_frame t = this->a_frame; + this->a_frame = this->b_frame; + this->b_frame = t; + *frame = this->a_frame; + } + else + { + int hide = 0; + *frame = mlt_transition_process( this, this->a_frame, this->b_frame ); + if ( !mlt_properties_get_int( MLT_FRAME_PROPERTIES( this->a_frame ), "test_image" ) ) + hide = 1; + if ( !mlt_properties_get_int( MLT_FRAME_PROPERTIES( this->a_frame ), "test_audio" ) ) + hide |= 2; + mlt_properties_set_int( MLT_FRAME_PROPERTIES( this->b_frame ), "hide", hide ); + } this->a_held = 0; } else @@ -230,8 +249,17 @@ static int transition_get_frame( mlt_service service, mlt_frame_ptr frame, int i void mlt_transition_close( mlt_transition this ) { - if ( this->close != NULL ) - this->close( this ); - else - mlt_service_close( &this->parent ); + if ( this != NULL && mlt_properties_dec_ref( MLT_TRANSITION_PROPERTIES( this ) ) <= 0 ) + { + this->parent.close = NULL; + if ( this->close != NULL ) + { + this->close( this ); + } + else + { + mlt_service_close( &this->parent ); + free( this ); + } + } }