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-rw-r--r--libavfilter/avfilter.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 1e273a5ebe..4970290a01 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -100,6 +100,7 @@ typedef struct AVFilterBuffer {
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
#define AV_PERM_NEG_LINESIZES 0x20 ///< the buffer requested can have negative linesizes
+#define AV_PERM_ALIGN 0x40 ///< the buffer must be aligned
/**
* Audio specific properties in a reference to an AVFilterBuffer. Since