mpc: Move to a module and split thirdparty libmpcdec

1 files changed, 83 insertions, 0 deletions

diff --git a/thirdparty/libmpcdec/huffman.h b/thirdparty/libmpcdec/huffman.h
new file mode 100644
index 0000000000..5b12bff931
--- /dev/null
+++ b/thirdparty/libmpcdec/huffman.h
@@ -0,0 +1,83 @@
+/*
+  Copyright (c) 2005-2009, The Musepack Development Team
+  All rights reserved.
+
+  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.
+
+  * Neither the name of the The Musepack Development Team nor the
+  names of its contributors may be used to endorse or promote
+  products derived from this software without specific prior
+  written permission.
+
+  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.
+*/
+/// \file huffman.h
+/// Data structures and functions for huffman coding.
+
+#ifndef _MPCDEC_HUFFMAN_H_
+#define _MPCDEC_HUFFMAN_H_
+#ifdef WIN32
+#pragma once
+#endif
+
+#include <mpc/mpc_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// LUT size parameter, LUT size is 1 << LUT_DEPTH
+#define LUT_DEPTH 6
+
+/// Huffman table entry.
+typedef struct mpc_huffman_t {
+    mpc_uint16_t  Code;
+    mpc_uint8_t  Length;
+    mpc_int8_t   Value;
+} mpc_huffman;
+
+/// Huffman LUT entry.
+typedef struct mpc_huff_lut_t {
+	mpc_uint8_t  Length;
+	mpc_int8_t   Value;
+} mpc_huff_lut;
+
+/// Type used for huffman LUT decoding
+typedef struct mpc_lut_data_t {
+	mpc_huffman const * const table;
+	mpc_huff_lut lut[1 << LUT_DEPTH];
+} mpc_lut_data;
+
+/// Type used for canonical huffman decoding
+typedef struct mpc_can_data_t {
+	mpc_huffman const * const table;
+	mpc_int8_t const * const sym;
+	mpc_huff_lut lut[1 << LUT_DEPTH];
+} mpc_can_data;
+
+void huff_init_lut(const int bits);
+
+#ifdef __cplusplus
+}
+#endif
+#endif