lavfi: add qp_table_size

This avoid recalculating it and in case w/h changed avoids crashes.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 2e61ac5c02..4750cfdec9 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -132,6 +132,7 @@ typedef struct AVFilterBufferRefVideoProps {
     enum AVPictureType pict_type; ///< picture type of the frame
     int key_frame;              ///< 1 -> keyframe, 0-> not
     int qp_table_linesize;                ///< qp_table stride
+    int qp_table_size;            ///< qp_table size
     int8_t *qp_table;             ///< array of Quantization Parameters
 } AVFilterBufferRefVideoProps;