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Reorganization of SDK placement and references for CWE-ou
Phase 1: reorganize StaticSDK directories to better reflect origin of each SDK, platform, etc. Add SDK-binary as submodule.
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/* Copyright (C) 2002 Jean-Marc Valin */
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/**
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@file speex_header.h
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@brief Describes the Speex header
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*/
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/*
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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
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are 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 copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior 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 FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPEEX_HEADER_H
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#define SPEEX_HEADER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct SpeexMode;
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/** Maximum number of characters for encoding the Speex version number in the header */
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#define SPEEX_HEADER_VERSION_LENGTH 20
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/** Speex header info for file-based formats */
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typedef struct SpeexHeader {
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char speex_string[8]; /**< Identifies a Speex bit-stream, always set to "Speex " */
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char speex_version[SPEEX_HEADER_VERSION_LENGTH]; /**< Speex version */
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int speex_version_id; /**< Version for Speex (for checking compatibility) */
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int header_size; /**< Total size of the header ( sizeof(SpeexHeader) ) */
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int rate; /**< Sampling rate used */
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int mode; /**< Mode used (0 for narrowband, 1 for wideband) */
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int mode_bitstream_version; /**< Version ID of the bit-stream */
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int nb_channels; /**< Number of channels encoded */
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int bitrate; /**< Bit-rate used */
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int frame_size; /**< Size of frames */
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int vbr; /**< 1 for a VBR encoding, 0 otherwise */
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int frames_per_packet; /**< Number of frames stored per Ogg packet */
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int extra_headers; /**< Number of additional headers after the comments */
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int reserved1; /**< Reserved for future use, must be zero */
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int reserved2; /**< Reserved for future use, must be zero */
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} SpeexHeader;
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/** Initializes a SpeexHeader using basic information */
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void speex_init_header(SpeexHeader *header, int rate, int nb_channels, struct SpeexMode *m);
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/** Creates the header packet from the header itself (mostly involves endianness conversion) */
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char *speex_header_to_packet(SpeexHeader *header, int *size);
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/** Creates a SpeexHeader from a packet */
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SpeexHeader *speex_packet_to_header(char *packet, int size);
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#ifdef __cplusplus
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}
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#endif
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#endif
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