Andrew mod to ignore opus extras + title plugin X11 RGBA-FLOAT fix

[goodguy/cinelerra.git] / cinelerra-5.1 / plugins / titler / titler.C

diff --git a/cinelerra-5.1/plugins/titler/titler.C b/cinelerra-5.1/plugins/titler/titler.C
index 37582050c4146dc447e451de2895aca71a9e32f3..7655b5a3c8a15b01ea36c1d1a584538919e55985 100644 (file)
--- a/cinelerra-5.1/plugins/titler/titler.C
+++ b/cinelerra-5.1/plugins/titler/titler.C
@@ -2280,10 +2280,12 @@ TitleTranslateUnit::TitleTranslateUnit(TitleMain *plugin, TitleTranslate *server
                        else b = max - a; \
                        double_b = (1.0 * b * (max - a)/(max*1.0)); \
                        total_alpha = a + double_b; \
-                       px = *op;  *op++ = (a*in_r + double_b*px) / total_alpha; \
-                       px = *op;  *op++ = (a*(in_g-ofs) + double_b*(px-ofs)) / total_alpha + ofs; \
-                       px = *op;  *op++ = (a*(in_b-ofs) + double_b*(px-ofs)) / total_alpha + ofs; \
-                       if( comps == 4 ) { b = *op;  *op++ = a + b - a*b / max; } \
+                       if (total_alpha > 0.00000001) { \
+                               px = *op;  *op++ = (a*in_r + double_b*px) / total_alpha; \
+                               px = *op;  *op++ = (a*(in_g-ofs) + double_b*(px-ofs)) / total_alpha + ofs; \
+                               px = *op;  *op++ = (a*(in_b-ofs) + double_b*(px-ofs)) / total_alpha + ofs; \
+                               if( comps == 4 ) { b = *op;  *op++ = a + b - a*b / max; } \
+                       } \
                } \
        } \
 }