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-rw-r--r--libavcodec/dsputil.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 18885b3..a5ae68a 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -524,6 +524,20 @@ typedef struct DSPContext {
*/
int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul);
+ /**
+ * Apply symmetric window in 16-bit fixed-point.
+ * @param output destination array
+ * constraints: 16-byte aligned
+ * @param input source array
+ * constraints: 16-byte aligned
+ * @param window window array
+ * constraints: 16-byte aligned, at least len/2 elements
+ * @param len full window length
+ * constraints: multiple of ? greater than zero
+ */
+ void (*apply_window_int16)(int16_t *output, const int16_t *input,
+ const int16_t *window, unsigned int len);
+
/* rv30 functions */
qpel_mc_func put_rv30_tpel_pixels_tab[4][16];
qpel_mc_func avg_rv30_tpel_pixels_tab[4][16];
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