X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fiirfilter.h;h=bc65a96b59bd67782c0799024f4bee207066cc38;hb=9a738c27dceb4b975784b23213a46f5cb560d1c2;hp=13e1598e399914f203ce37684b086861f2c45e97;hpb=75b98610a7ce7acf34f583a04aaccd8c619947fe;p=ffmpeg

diff --git a/libavcodec/iirfilter.h b/libavcodec/iirfilter.h
index 13e1598e399..bc65a96b59b 100644
--- a/libavcodec/iirfilter.h
+++ b/libavcodec/iirfilter.h
@@ -2,20 +2,20 @@
  * IIR filter
  * Copyright (c) 2008 Konstantin Shishkov
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -34,6 +34,7 @@ struct FFIIRFilterState;
 
 enum IIRFilterType{
     FF_FILTER_TYPE_BESSEL,
+    FF_FILTER_TYPE_BIQUAD,
     FF_FILTER_TYPE_BUTTERWORTH,
     FF_FILTER_TYPE_CHEBYSHEV,
     FF_FILTER_TYPE_ELLIPTIC,
@@ -116,6 +117,6 @@ void ff_iir_filter(const struct FFIIRFilterCoeffs *coeffs, struct FFIIRFilterSta
  */
 void ff_iir_filter_flt(const struct FFIIRFilterCoeffs *coeffs,
                        struct FFIIRFilterState *state, int size,
-                       const float *src, int sstep, void *dst, int dstep);
+                       const float *src, int sstep, float *dst, int dstep);
 
 #endif /* AVCODEC_IIRFILTER_H */