avfilter: add needs_writable field to the internal AVFilterPad structure

2013-12-18 14:21:25 +01:00
parent d44bd7fb27
commit 5655732c77
1 changed files with 8 additions and 0 deletions
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -117,6 +117,14 @@ struct AVFilterPad {
     * input pads only.
     */
    int needs_fifo;
+
+    /**
+     * The filter expects writable frames from its input link,
+     * duplicating data buffers if needed.
+     *
+     * input pads only.
+     */
+    int needs_writable;
 };
 #endif