avfilter: add needs_writable field to the internal AVFilterPad structure

5655732c · Vittorio Giovara · d44bd7fb · 5655732c
Commit 5655732c authored Dec 18, 2013 by Vittorio Giovara
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internal.h libavfilter/internal.h +8 -0

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--- 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