Rename some Movit filter filenames, for consistency.

[mlt] / src / modules / opengl / filter_movit_lift_gamma_gain.cpp

diff --git a/src/modules/opengl/filter_movit_lift_gamma_gain.cpp b/src/modules/opengl/filter_movit_lift_gamma_gain.cpp
new file mode 100644 (file)
index 0000000..015ab67
--- /dev/null
+++ b/src/modules/opengl/filter_movit_lift_gamma_gain.cpp
@@ -0,0 +1,91 @@
+/*
+ * filter_lift_gamma_gain.cpp
+ * Copyright (C) 2013 Dan Dennedy <dan@dennedy.org>
+ *
+ * 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 program 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.
+ *
+ * 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.
+ */
+
+#include <framework/mlt.h>
+#include <string.h>
+#include <assert.h>
+
+#include "filter_glsl_manager.h"
+#include <movit/lift_gamma_gain_effect.h>
+
+static int get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
+{
+       mlt_filter filter = (mlt_filter) mlt_frame_pop_service( frame );
+       mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
+       GlslManager::get_instance()->lock_service( frame );
+       Effect* effect = GlslManager::get_effect( MLT_FILTER_SERVICE( filter ), frame );
+       if ( effect ) {
+               mlt_position position = mlt_filter_get_position( filter, frame );
+               mlt_position length = mlt_filter_get_length2( filter, frame );
+               RGBTriplet triplet(
+                       mlt_properties_anim_get_double( properties, "lift_r", position, length ),
+                       mlt_properties_anim_get_double( properties, "lift_g", position, length ),
+                       mlt_properties_anim_get_double( properties, "lift_b", position, length )
+               );
+               bool ok = effect->set_vec3( "lift", (float*) &triplet );
+               triplet.r = mlt_properties_anim_get_double( properties, "gamma_r", position, length );
+               triplet.g = mlt_properties_anim_get_double( properties, "gamma_g", position, length );
+               triplet.b = mlt_properties_anim_get_double( properties, "gamma_b", position, length );
+               ok |= effect->set_vec3( "gamma", (float*) &triplet );
+               triplet.r = mlt_properties_anim_get_double( properties, "gain_r", position, length );
+               triplet.g = mlt_properties_anim_get_double( properties, "gain_g", position, length );
+               triplet.b = mlt_properties_anim_get_double( properties, "gain_b", position, length );
+               ok |= effect->set_vec3( "gain", (float*) &triplet );
+               assert(ok);
+       }
+       GlslManager::get_instance()->unlock_service( frame );
+       *format = mlt_image_glsl;
+       return mlt_frame_get_image( frame, image, format, width, height, writable );
+}
+
+static mlt_frame process( mlt_filter filter, mlt_frame frame )
+{
+       if ( !mlt_frame_is_test_card( frame ) ) {
+               if ( !GlslManager::get_effect( MLT_FILTER_SERVICE( filter ), frame ) )
+                       GlslManager::add_effect( MLT_FILTER_SERVICE( filter ), frame, new LiftGammaGainEffect );
+       }
+       mlt_frame_push_service( frame, filter );
+       mlt_frame_push_get_image( frame, get_image );
+       return frame;
+}
+
+extern "C" {
+
+mlt_filter filter_lift_gamma_gain_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
+{
+       mlt_filter filter = NULL;
+       GlslManager* glsl = GlslManager::get_instance();
+
+       if ( glsl && ( filter = mlt_filter_new() ) ) {
+               mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
+               mlt_properties_set_double( properties, "lift_r", 0.0 );
+               mlt_properties_set_double( properties, "lift_g", 0.0 );
+               mlt_properties_set_double( properties, "lift_b", 0.0 );
+               mlt_properties_set_double( properties, "gamma_r", 1.0 );
+               mlt_properties_set_double( properties, "gamma_g", 1.0 );
+               mlt_properties_set_double( properties, "gamma_b", 1.0 );
+               mlt_properties_set_double( properties, "gain_r", 1.0 );
+               mlt_properties_set_double( properties, "gain_g", 1.0 );
+               mlt_properties_set_double( properties, "gain_b", 1.0 );
+               filter->process = process;
+       }
+       return filter;
+}
+
+}