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-rw-r--r--libavcodec/ac3dec.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/ac3dec.h b/libavcodec/ac3dec.h
index cc44a0300a..78869b5e26 100644
--- a/libavcodec/ac3dec.h
+++ b/libavcodec/ac3dec.h
@@ -179,4 +179,7 @@ int ff_eac3_parse_header(AC3DecodeContext *s);
*/
void ff_eac3_decode_transform_coeffs_aht_ch(AC3DecodeContext *s, int ch);
+void ff_ac3_downmix_c(float (*samples)[256], float (*matrix)[2],
+ int out_ch, int in_ch, int len);
+
#endif /* AVCODEC_AC3DEC_H */