add dvd chroma 420pi colormodel, misc fixes

[goodguy/history.git] / cinelerra-5.1 / cinelerra / filepng.C

diff --git a/cinelerra-5.1/cinelerra/filepng.C b/cinelerra-5.1/cinelerra/filepng.C
index d84fcda92d8a6a2d41a66ad106d229feda689dcb..6ccbf28819f51343957018d075574d54f45cbbbb 100644 (file)
--- a/cinelerra-5.1/cinelerra/filepng.C
+++ b/cinelerra-5.1/cinelerra/filepng.C
@@ -191,6 +191,7 @@ int FilePNG::read_frame_header(char *path)
            native_cmodel = BC_RGB888;
        }
 
+       asset->png_use_alpha = BC_CModels::has_alpha(native_cmodel) ? 1 : 0;
 
        png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
        fclose(stream);