compiling musepack dependencies into libnyquist - xcode specific at the moment
Dimitri Diakopoulos
11 years ago
parent
da0d6e2260
commit
caddc84b19
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/*
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Copyright (c) 2015, Dimitri Diakopoulos All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if (_MSC_VER)
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#pragma warning (push)
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#pragma warning (disable: 181 111 4267 4996 4244 4701 4702 4133 4100 4127 4206 4312 4505 4365 4005 4013 4334)
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#endif
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#ifdef __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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#pragma clang diagnostic ignored "-Wshadow"
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#pragma clang diagnostic ignored "-Wdeprecated-register"
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#endif
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#include "musepack/libmpcdec/huffman.c"
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//#include "musepack/libmpcdec/mpc_decoder.c"
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//#include "musepack/libmpcdec/mpc_reader.c"
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//#include "musepack/libmpcdec/mpc_bits_reader.c"
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//#include "musepack/libmpcdec/mpc_demux.c"
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#include "musepack/libmpcdec/requant.c"
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#include "musepack/libmpcdec/streaminfo.c"
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#include "musepack/libmpcdec/synth_filter.c"
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#include "musepack/libmpcdec/crc32.c"
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#ifdef __clang__
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#pragma clang diagnostic pop
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#endif
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#if (_MSC_VER)
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#pragma warning (pop)
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#endif
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@ -0,0 +1,56 @@
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/*
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* C Implementation: crc32
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*
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* code from http://www.w3.org/TR/PNG/#D-CRCAppendix
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*
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*/
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/* Table of CRCs of all 8-bit messages. */
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static unsigned long crc_table[256];
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/* Flag: has the table been computed? Initially false. */
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static int crc_table_computed = 0;
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/* Make the table for a fast CRC. */
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static void make_crc_table(void)
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{
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unsigned long c;
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int n, k;
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for (n = 0; n < 256; n++) {
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c = (unsigned long) n;
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for (k = 0; k < 8; k++) {
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if (c & 1)
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c = 0xedb88320L ^ (c >> 1);
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else
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c = c >> 1;
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}
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crc_table[n] = c;
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}
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crc_table_computed = 1;
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}
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/* Update a running CRC with the bytes buf[0..len-1]--the CRC
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should be initialized to all 1's, and the transmitted value
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is the 1's complement of the final running CRC (see the
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crc() routine below). */
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static unsigned long update_crc(unsigned long crc, unsigned char *buf, int len)
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{
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unsigned long c = crc;
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int n;
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if (!crc_table_computed)
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make_crc_table();
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for (n = 0; n < len; n++) {
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c = crc_table[(c ^ buf[n]) & 0xff] ^ (c >> 8);
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}
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return c;
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}
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/* Return the CRC of the bytes buf[0..len-1]. */
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unsigned long mpc_crc32(unsigned char *buf, int len)
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{
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return update_crc(0xffffffffL, buf, len) ^ 0xffffffffL;
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}
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