67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
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/*
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Copyright (c) 2005, The Musepack Development Team
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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
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of the The Musepack Development Team nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(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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/// \file musepack_internal.h
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/// Definitions and structures used only internally by the libmusepack.
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#ifndef _musepack_internal_h
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#define _musepack_internal_h
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enum {
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MPC_DECODER_SYNTH_DELAY = 481
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};
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/// Big/little endian 32 bit byte swapping routine.
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static inline
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mpc_uint32_t swap32(mpc_uint32_t val) {
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const unsigned char* src = (const unsigned char*)&val;
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return
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(mpc_uint32_t)src[0] |
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((mpc_uint32_t)src[1] << 8) | ((mpc_uint32_t)src[2] << 16) | ((mpc_uint32_t)src[3] << 24);
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}
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/// Searches for a ID3v2-tag and reads the length (in bytes) of it.
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/// \param reader supplying raw stream data
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/// \return size of tag, in bytes
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/// \return -1 on errors of any kind
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mpc_int32_t JumpID3v2(mpc_reader* fp);
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/// helper functions used by multiple files
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mpc_uint32_t random_int(mpc_decoder *d); // in synth_filter.c
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void mpc_decoder_initialisiere_quantisierungstabellen(mpc_decoder *d, double scale_factor);
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void mpc_decoder_synthese_filter_float(mpc_decoder *d, MPC_SAMPLE_FORMAT* OutData);
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#endif // _musepack_internal_h
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