Split synth filter out of dca.c.

Originally committed as revision 20396 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 27 insertions, 0 deletions

diff --git a/libavcodec/synth_filter.h b/libavcodec/synth_filter.h
new file mode 100644
index 0000000000..0472048fbc
--- /dev/null
+++ b/libavcodec/synth_filter.h
@@ -0,0 +1,27 @@
+/*
+ * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "dsputil.h"
+
+void ff_synth_filter_float(FFTContext *imdct,
+                         float *synth_buf_ptr, int *synth_buf_offset,
+                         float synth_buf2[32], const float window[512],
+                         float out[32], const float in[32], float scale, float bias);
+