Massive refactoring of image conversion.

[mlt] / docs / policies.txt

diff --git a/docs/policies.txt b/docs/policies.txt
index 470bf6e0d19823da2b61dd665b71775f3bc297ab..60ba1db5ac78d384e65ae8b282f50fdc2616026c 100644 (file)
--- a/docs/policies.txt
+++ b/docs/policies.txt
@@ -50,6 +50,13 @@ copyright the MLT integration code as your own. However, if you have heavily
 modified the original code beyond nearly all recognition, you can copyright it
 as your own and attribute the original author as inspiration.
 
+A producer should validate its input and return NULL on failure.
+
+A filter or transition should express the image format it wants before calling
+mlt_frame_get_image(). It should expect to receive what it requested as long
+as it is yuv422, rgb24, or rgb24a and you are using the imageconvert filter
+(typically via the loader producer and its loader.ini file).
+
 Bug Reporting:
 First preference is to use the SourceForge tracker:
 http://sourceforge.net/tracker/?group_id=96039&atid=613414