ref: 155367d2800a80f24a4237f9074e8f6f2516e22e
parent: e9f8402a7122ca03e894d161c50706053bf4fb83
author: Jean-Marc Valin <jmvalin@amazon.com>
date: Fri Jul 28 16:28:25 EDT 2023
Skeleton for FWGAN code
--- /dev/null
+++ b/dnn/fwgan.c
@@ -1,0 +1,51 @@
+/* Copyright (c) 2023 Amazon */
+/*
+ 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.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "fwgan.h"
+#include "os_support.h"
+#include "freq.h"
+
+void fwgan_init(FWGANState *st, const float *pcm)
+{+ OPUS_CLEAR(st, 1);
+}
+
+static void run_fwgan(FWGANState *st, float *pcm, const float *input)
+{+
+}
+
+void fwgan_synthesize(FWGANState *st, float *pcm, const float *features)
+{+ float lpc[LPC_ORDER];
+ lpc_from_cepstrum(lpc, features);
+ run_fwgan(st, pcm, features);
+ /* Run LPC filter. */
+}
--- /dev/null
+++ b/dnn/fwgan.h
@@ -1,0 +1,44 @@
+/* Copyright (c) 2023 Amazon */
+/*
+ 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 FWGAN_H
+#define FWGAN_H
+
+#include "freq.h"
+
+#define FWGAN_CONT_SAMPLES 320
+
+typedef struct {+ float syn_mem[LPC_ORDER];
+} FWGANState;
+
+void fwgan_init(FWGANState *st, const float *pcm);
+
+
+void fwgan_synthesize(FWGANState *st, float *pcm, const float *features);
+
+
+#endif /* FWGAN_H */
--- a/lpcnet_headers.mk
+++ b/lpcnet_headers.mk
@@ -8,6 +8,7 @@
dnn/burg.h \
dnn/common.h \
dnn/freq.h \
+dnn/fwgan.h \
dnn/kiss99.h \
dnn/lpcnet_private.h \
dnn/nnet_data.h \
--- a/lpcnet_sources.mk
+++ b/lpcnet_sources.mk
@@ -1,6 +1,7 @@
LPCNET_SOURCES = \
dnn/burg.c \
dnn/freq.c \
+dnn/fwgan.c \
dnn/kiss99.c \
dnn/lpcnet.c \
dnn/lpcnet_enc.c \
--
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