summaryrefslogtreecommitdiffstats
path: root/media/libopus/celt/celt_lpc.h
diff options
context:
space:
mode:
Diffstat (limited to 'media/libopus/celt/celt_lpc.h')
-rw-r--r--media/libopus/celt/celt_lpc.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/media/libopus/celt/celt_lpc.h b/media/libopus/celt/celt_lpc.h
new file mode 100644
index 000000000..323459eb1
--- /dev/null
+++ b/media/libopus/celt/celt_lpc.h
@@ -0,0 +1,67 @@
+/* Copyright (c) 2009-2010 Xiph.Org Foundation
+ Written by Jean-Marc Valin */
+/*
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef PLC_H
+#define PLC_H
+
+#include "arch.h"
+#include "cpu_support.h"
+
+#if defined(OPUS_X86_MAY_HAVE_SSE4_1)
+#include "x86/celt_lpc_sse.h"
+#endif
+
+#define LPC_ORDER 24
+
+void _celt_lpc(opus_val16 *_lpc, const opus_val32 *ac, int p);
+
+void celt_fir_c(
+ const opus_val16 *x,
+ const opus_val16 *num,
+ opus_val16 *y,
+ int N,
+ int ord,
+ opus_val16 *mem,
+ int arch);
+
+#if !defined(OVERRIDE_CELT_FIR)
+#define celt_fir(x, num, y, N, ord, mem, arch) \
+ (celt_fir_c(x, num, y, N, ord, mem, arch))
+#endif
+
+void celt_iir(const opus_val32 *x,
+ const opus_val16 *den,
+ opus_val32 *y,
+ int N,
+ int ord,
+ opus_val16 *mem,
+ int arch);
+
+int _celt_autocorr(const opus_val16 *x, opus_val32 *ac,
+ const opus_val16 *window, int overlap, int lag, int n, int arch);
+
+#endif /* PLC_H */