vgmstream: Enable Speex support
Christopher Snowhill
parent
a3aea19525
commit
9fcfb6ddb7
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@ -87,6 +87,7 @@
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8315868726F586E200803A3A /* psb.c in Sources */ = {isa = PBXBuildFile; fileRef = 8315868326F586E200803A3A /* psb.c */; };
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8315868A26F586F900803A3A /* m2_psb.c in Sources */ = {isa = PBXBuildFile; fileRef = 8315868826F586F900803A3A /* m2_psb.c */; };
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8315868B26F586F900803A3A /* m2_psb.h in Headers */ = {isa = PBXBuildFile; fileRef = 8315868926F586F900803A3A /* m2_psb.h */; };
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8315868D26F58AF900803A3A /* libspeex.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 8315868C26F58AF900803A3A /* libspeex.a */; };
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8315958720FEC832007002F0 /* asf_decoder.c in Sources */ = {isa = PBXBuildFile; fileRef = 8315958320FEC831007002F0 /* asf_decoder.c */; };
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8315958920FEC83F007002F0 /* asf.c in Sources */ = {isa = PBXBuildFile; fileRef = 8315958820FEC83F007002F0 /* asf.c */; };
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8317C24C26982CC1007DD0B8 /* sspr.c in Sources */ = {isa = PBXBuildFile; fileRef = 8317C24826982CC1007DD0B8 /* sspr.c */; };
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@ -895,6 +896,7 @@
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8315868326F586E200803A3A /* psb.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = psb.c; sourceTree = "<group>"; };
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8315868826F586F900803A3A /* m2_psb.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = m2_psb.c; sourceTree = "<group>"; };
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8315868926F586F900803A3A /* m2_psb.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = m2_psb.h; sourceTree = "<group>"; };
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8315868C26F58AF900803A3A /* libspeex.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libspeex.a; path = ../../ThirdParty/speex/libspeex.a; sourceTree = "<group>"; };
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8315958320FEC831007002F0 /* asf_decoder.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = asf_decoder.c; sourceTree = "<group>"; };
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8315958820FEC83F007002F0 /* asf.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = asf.c; sourceTree = "<group>"; };
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8317C24826982CC1007DD0B8 /* sspr.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = sspr.c; sourceTree = "<group>"; };
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@ -1492,6 +1494,7 @@
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83D11A1B256CE30300565AD3 /* libswresample.a in Frameworks */,
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83D731891A749D1500CA1366 /* g719.framework in Frameworks */,
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8313E3E61902020400B4B6F1 /* mpg123.framework in Frameworks */,
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8315868D26F58AF900803A3A /* libspeex.a in Frameworks */,
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834D795520E4F0D400C4A5CC /* Vorbis.framework in Frameworks */,
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836C052B23F62F1A00FA07C7 /* libatrac9.framework in Frameworks */,
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83D6772D2653A30B00252130 /* libcelt_0061.framework in Frameworks */,
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@ -1557,6 +1560,7 @@
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836F6B3E18BDB8880095E648 /* Other Frameworks */ = {
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isa = PBXGroup;
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children = (
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8315868C26F58AF900803A3A /* libspeex.a */,
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83D11A0F256CE08D00565AD3 /* libavcodec.a */,
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83D11A10256CE08D00565AD3 /* libavformat.a */,
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83D11A11256CE08D00565AD3 /* libavutil.a */,
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@ -3202,6 +3206,7 @@
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VGM_USE_G7221,
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VGM_USE_MPEG,
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VGM_USE_VORBIS,
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VGM_USE_SPEEX,
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__MACOSX__,
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);
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GCC_SYMBOLS_PRIVATE_EXTERN = NO;
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@ -3217,7 +3222,10 @@
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../../ThirdParty/ffmpeg/include,
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);
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INSTALL_PATH = "@loader_path/../Frameworks";
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LIBRARY_SEARCH_PATHS = ../../ThirdParty/ffmpeg/lib;
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LIBRARY_SEARCH_PATHS = (
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../../ThirdParty/ffmpeg/lib,
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../../ThirdParty/speex,
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);
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MACOSX_DEPLOYMENT_TARGET = 10.13;
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ONLY_ACTIVE_ARCH = YES;
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SDKROOT = macosx;
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@ -3271,6 +3279,7 @@
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VGM_USE_G7221,
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VGM_USE_MPEG,
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VGM_USE_VORBIS,
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VGM_USE_SPEEX,
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__MACOSX__,
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);
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GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
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@ -3285,7 +3294,10 @@
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../../ThirdParty/ffmpeg/include,
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);
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INSTALL_PATH = "@loader_path/../Frameworks";
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LIBRARY_SEARCH_PATHS = ../../ThirdParty/ffmpeg/lib;
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LIBRARY_SEARCH_PATHS = (
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../../ThirdParty/ffmpeg/lib,
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../../ThirdParty/speex,
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);
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MACOSX_DEPLOYMENT_TARGET = 10.13;
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SDKROOT = macosx;
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SKIP_INSTALL = YES;
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@ -3311,6 +3323,7 @@
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/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
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../Vorbis/include,
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../Ogg/include,
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../../ThirdParty/speex/include,
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);
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INFOPLIST_FILE = "vgmstream/libvgmstream-Info.plist";
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PRODUCT_BUNDLE_IDENTIFIER = "NoWork-Inc.${PRODUCT_NAME:rfc1034identifier}";
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@ -3340,6 +3353,7 @@
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/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
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../Vorbis/include,
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../Ogg/include,
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../../ThirdParty/speex/include,
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);
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INFOPLIST_FILE = "vgmstream/libvgmstream-Info.plist";
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PRODUCT_BUNDLE_IDENTIFIER = "NoWork-Inc.${PRODUCT_NAME:rfc1034identifier}";
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@ -0,0 +1,425 @@
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/* Copyright (C) 2002-2006 Jean-Marc Valin*/
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/**
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@file speex.h
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@brief Describes the different modes of the codec
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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_H
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#define SPEEX_H
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/** @defgroup Codec Speex encoder and decoder
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* This is the Speex codec itself.
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* @{
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*/
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#include "speex_types.h"
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#include "speex_bits.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Values allowed for *ctl() requests */
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/** Set enhancement on/off (decoder only) */
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#define SPEEX_SET_ENH 0
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/** Get enhancement state (decoder only) */
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#define SPEEX_GET_ENH 1
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/*Would be SPEEX_SET_FRAME_SIZE, but it's (currently) invalid*/
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/** Obtain frame size used by encoder/decoder */
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#define SPEEX_GET_FRAME_SIZE 3
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/** Set quality value */
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#define SPEEX_SET_QUALITY 4
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/** Get current quality setting */
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/* #define SPEEX_GET_QUALITY 5 -- Doesn't make much sense, does it? */
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/** Set sub-mode to use */
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#define SPEEX_SET_MODE 6
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/** Get current sub-mode in use */
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#define SPEEX_GET_MODE 7
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/** Set low-band sub-mode to use (wideband only)*/
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#define SPEEX_SET_LOW_MODE 8
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/** Get current low-band mode in use (wideband only)*/
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#define SPEEX_GET_LOW_MODE 9
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/** Set high-band sub-mode to use (wideband only)*/
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#define SPEEX_SET_HIGH_MODE 10
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/** Get current high-band mode in use (wideband only)*/
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#define SPEEX_GET_HIGH_MODE 11
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/** Set VBR on (1) or off (0) */
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#define SPEEX_SET_VBR 12
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/** Get VBR status (1 for on, 0 for off) */
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#define SPEEX_GET_VBR 13
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/** Set quality value for VBR encoding (0-10) */
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#define SPEEX_SET_VBR_QUALITY 14
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/** Get current quality value for VBR encoding (0-10) */
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#define SPEEX_GET_VBR_QUALITY 15
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/** Set complexity of the encoder (0-10) */
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#define SPEEX_SET_COMPLEXITY 16
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/** Get current complexity of the encoder (0-10) */
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#define SPEEX_GET_COMPLEXITY 17
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/** Set bit-rate used by the encoder (or lower) */
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#define SPEEX_SET_BITRATE 18
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/** Get current bit-rate used by the encoder or decoder */
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#define SPEEX_GET_BITRATE 19
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/** Define a handler function for in-band Speex request*/
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#define SPEEX_SET_HANDLER 20
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/** Define a handler function for in-band user-defined request*/
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#define SPEEX_SET_USER_HANDLER 22
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/** Set sampling rate used in bit-rate computation */
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#define SPEEX_SET_SAMPLING_RATE 24
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/** Get sampling rate used in bit-rate computation */
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#define SPEEX_GET_SAMPLING_RATE 25
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/** Reset the encoder/decoder memories to zero*/
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#define SPEEX_RESET_STATE 26
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/** Get VBR info (mostly used internally) */
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#define SPEEX_GET_RELATIVE_QUALITY 29
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/** Set VAD status (1 for on, 0 for off) */
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#define SPEEX_SET_VAD 30
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/** Get VAD status (1 for on, 0 for off) */
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#define SPEEX_GET_VAD 31
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/** Set Average Bit-Rate (ABR) to n bits per seconds */
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#define SPEEX_SET_ABR 32
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/** Get Average Bit-Rate (ABR) setting (in bps) */
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#define SPEEX_GET_ABR 33
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/** Set DTX status (1 for on, 0 for off) */
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#define SPEEX_SET_DTX 34
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/** Get DTX status (1 for on, 0 for off) */
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#define SPEEX_GET_DTX 35
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/** Set submode encoding in each frame (1 for yes, 0 for no, setting to no breaks the standard) */
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#define SPEEX_SET_SUBMODE_ENCODING 36
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/** Get submode encoding in each frame */
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#define SPEEX_GET_SUBMODE_ENCODING 37
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/*#define SPEEX_SET_LOOKAHEAD 38*/
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/** Returns the lookahead used by Speex separately for an encoder and a decoder.
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* Sum encoder and decoder lookahead values to get the total codec lookahead. */
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#define SPEEX_GET_LOOKAHEAD 39
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/** Sets tuning for packet-loss concealment (expected loss rate) */
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#define SPEEX_SET_PLC_TUNING 40
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/** Gets tuning for PLC */
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#define SPEEX_GET_PLC_TUNING 41
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/** Sets the max bit-rate allowed in VBR mode */
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#define SPEEX_SET_VBR_MAX_BITRATE 42
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/** Gets the max bit-rate allowed in VBR mode */
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#define SPEEX_GET_VBR_MAX_BITRATE 43
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/** Turn on/off input/output high-pass filtering */
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#define SPEEX_SET_HIGHPASS 44
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/** Get status of input/output high-pass filtering */
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#define SPEEX_GET_HIGHPASS 45
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/** Get "activity level" of the last decoded frame, i.e.
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how much damage we cause if we remove the frame */
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#define SPEEX_GET_ACTIVITY 47
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/* Preserving compatibility:*/
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/** Equivalent to SPEEX_SET_ENH */
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#define SPEEX_SET_PF 0
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/** Equivalent to SPEEX_GET_ENH */
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#define SPEEX_GET_PF 1
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/* Values allowed for mode queries */
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/** Query the frame size of a mode */
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#define SPEEX_MODE_FRAME_SIZE 0
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/** Query the size of an encoded frame for a particular sub-mode */
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#define SPEEX_SUBMODE_BITS_PER_FRAME 1
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/** Get major Speex version */
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#define SPEEX_LIB_GET_MAJOR_VERSION 1
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/** Get minor Speex version */
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#define SPEEX_LIB_GET_MINOR_VERSION 3
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/** Get micro Speex version */
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#define SPEEX_LIB_GET_MICRO_VERSION 5
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/** Get extra Speex version */
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#define SPEEX_LIB_GET_EXTRA_VERSION 7
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/** Get Speex version string */
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#define SPEEX_LIB_GET_VERSION_STRING 9
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/*#define SPEEX_LIB_SET_ALLOC_FUNC 10
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#define SPEEX_LIB_GET_ALLOC_FUNC 11
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#define SPEEX_LIB_SET_FREE_FUNC 12
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#define SPEEX_LIB_GET_FREE_FUNC 13
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#define SPEEX_LIB_SET_WARNING_FUNC 14
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#define SPEEX_LIB_GET_WARNING_FUNC 15
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#define SPEEX_LIB_SET_ERROR_FUNC 16
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#define SPEEX_LIB_GET_ERROR_FUNC 17
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*/
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/** Number of defined modes in Speex */
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#define SPEEX_NB_MODES 3
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/** modeID for the defined narrowband mode */
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#define SPEEX_MODEID_NB 0
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/** modeID for the defined wideband mode */
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#define SPEEX_MODEID_WB 1
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/** modeID for the defined ultra-wideband mode */
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#define SPEEX_MODEID_UWB 2
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struct SpeexMode;
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/* Prototypes for mode function pointers */
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/** Encoder state initialization function */
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typedef void *(*encoder_init_func)(const struct SpeexMode *mode);
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/** Encoder state destruction function */
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typedef void (*encoder_destroy_func)(void *st);
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/** Main encoding function */
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typedef int (*encode_func)(void *state, void *in, SpeexBits *bits);
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/** Function for controlling the encoder options */
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typedef int (*encoder_ctl_func)(void *state, int request, void *ptr);
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/** Decoder state initialization function */
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typedef void *(*decoder_init_func)(const struct SpeexMode *mode);
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/** Decoder state destruction function */
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typedef void (*decoder_destroy_func)(void *st);
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/** Main decoding function */
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typedef int (*decode_func)(void *state, SpeexBits *bits, void *out);
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/** Function for controlling the decoder options */
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typedef int (*decoder_ctl_func)(void *state, int request, void *ptr);
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/** Query function for a mode */
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typedef int (*mode_query_func)(const void *mode, int request, void *ptr);
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/** Struct defining a Speex mode */
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typedef struct SpeexMode {
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/** Pointer to the low-level mode data */
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const void *mode;
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/** Pointer to the mode query function */
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mode_query_func query;
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/** The name of the mode (you should not rely on this to identify the mode)*/
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const char *modeName;
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/**ID of the mode*/
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int modeID;
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/**Version number of the bitstream (incremented every time we break
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bitstream compatibility*/
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int bitstream_version;
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/** Pointer to encoder initialization function */
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encoder_init_func enc_init;
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/** Pointer to encoder destruction function */
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encoder_destroy_func enc_destroy;
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/** Pointer to frame encoding function */
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encode_func enc;
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/** Pointer to decoder initialization function */
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decoder_init_func dec_init;
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/** Pointer to decoder destruction function */
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decoder_destroy_func dec_destroy;
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/** Pointer to frame decoding function */
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decode_func dec;
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/** ioctl-like requests for encoder */
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encoder_ctl_func enc_ctl;
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/** ioctl-like requests for decoder */
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decoder_ctl_func dec_ctl;
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} SpeexMode;
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/**
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* Returns a handle to a newly created Speex encoder state structure. For now,
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* the "mode" argument can be &nb_mode or &wb_mode . In the future, more modes
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* may be added. Note that for now if you have more than one channels to
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* encode, you need one state per channel.
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*
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* @param mode The mode to use (either speex_nb_mode or speex_wb.mode)
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* @return A newly created encoder state or NULL if state allocation fails
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*/
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void *speex_encoder_init(const SpeexMode *mode);
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/** Frees all resources associated to an existing Speex encoder state.
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* @param state Encoder state to be destroyed */
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void speex_encoder_destroy(void *state);
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/** Uses an existing encoder state to encode one frame of speech pointed to by
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"in". The encoded bit-stream is saved in "bits".
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@param state Encoder state
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@param in Frame that will be encoded with a +-2^15 range. This data MAY be
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overwritten by the encoder and should be considered uninitialised
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after the call.
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@param bits Bit-stream where the data will be written
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@return 0 if frame needs not be transmitted (DTX only), 1 otherwise
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*/
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int speex_encode(void *state, float *in, SpeexBits *bits);
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/** Uses an existing encoder state to encode one frame of speech pointed to by
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"in". The encoded bit-stream is saved in "bits".
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@param state Encoder state
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@param in Frame that will be encoded with a +-2^15 range
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@param bits Bit-stream where the data will be written
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@return 0 if frame needs not be transmitted (DTX only), 1 otherwise
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*/
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int speex_encode_int(void *state, spx_int16_t *in, SpeexBits *bits);
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/** Used like the ioctl function to control the encoder parameters
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*
|
||||
* @param state Encoder state
|
||||
* @param request ioctl-type request (one of the SPEEX_* macros)
|
||||
* @param ptr Data exchanged to-from function
|
||||
* @return 0 if no error, -1 if request in unknown, -2 for invalid parameter
|
||||
*/
|
||||
int speex_encoder_ctl(void *state, int request, void *ptr);
|
||||
|
||||
|
||||
/** Returns a handle to a newly created decoder state structure. For now,
|
||||
* the mode argument can be &nb_mode or &wb_mode . In the future, more modes
|
||||
* may be added. Note that for now if you have more than one channels to
|
||||
* decode, you need one state per channel.
|
||||
*
|
||||
* @param mode Speex mode (one of speex_nb_mode or speex_wb_mode)
|
||||
* @return A newly created decoder state or NULL if state allocation fails
|
||||
*/
|
||||
void *speex_decoder_init(const SpeexMode *mode);
|
||||
|
||||
/** Frees all resources associated to an existing decoder state.
|
||||
*
|
||||
* @param state State to be destroyed
|
||||
*/
|
||||
void speex_decoder_destroy(void *state);
|
||||
|
||||
/** Uses an existing decoder state to decode one frame of speech from
|
||||
* bit-stream bits. The output speech is saved written to out.
|
||||
*
|
||||
* @param state Decoder state
|
||||
* @param bits Bit-stream from which to decode the frame (NULL if the packet was lost)
|
||||
* @param out Where to write the decoded frame
|
||||
* @return return status (0 for no error, -1 for end of stream, -2 corrupt stream)
|
||||
*/
|
||||
int speex_decode(void *state, SpeexBits *bits, float *out);
|
||||
|
||||
/** Uses an existing decoder state to decode one frame of speech from
|
||||
* bit-stream bits. The output speech is saved written to out.
|
||||
*
|
||||
* @param state Decoder state
|
||||
* @param bits Bit-stream from which to decode the frame (NULL if the packet was lost)
|
||||
* @param out Where to write the decoded frame
|
||||
* @return return status (0 for no error, -1 for end of stream, -2 corrupt stream)
|
||||
*/
|
||||
int speex_decode_int(void *state, SpeexBits *bits, spx_int16_t *out);
|
||||
|
||||
/** Used like the ioctl function to control the encoder parameters
|
||||
*
|
||||
* @param state Decoder state
|
||||
* @param request ioctl-type request (one of the SPEEX_* macros)
|
||||
* @param ptr Data exchanged to-from function
|
||||
* @return 0 if no error, -1 if request in unknown, -2 for invalid parameter
|
||||
*/
|
||||
int speex_decoder_ctl(void *state, int request, void *ptr);
|
||||
|
||||
|
||||
/** Query function for mode information
|
||||
*
|
||||
* @param mode Speex mode
|
||||
* @param request ioctl-type request (one of the SPEEX_* macros)
|
||||
* @param ptr Data exchanged to-from function
|
||||
* @return 0 if no error, -1 if request in unknown, -2 for invalid parameter
|
||||
*/
|
||||
int speex_mode_query(const SpeexMode *mode, int request, void *ptr);
|
||||
|
||||
/** Functions for controlling the behavior of libspeex
|
||||
* @param request ioctl-type request (one of the SPEEX_LIB_* macros)
|
||||
* @param ptr Data exchanged to-from function
|
||||
* @return 0 if no error, -1 if request in unknown, -2 for invalid parameter
|
||||
*/
|
||||
int speex_lib_ctl(int request, void *ptr);
|
||||
|
||||
/** Default narrowband mode */
|
||||
extern const SpeexMode speex_nb_mode;
|
||||
|
||||
/** Default wideband mode */
|
||||
extern const SpeexMode speex_wb_mode;
|
||||
|
||||
/** Default "ultra-wideband" mode */
|
||||
extern const SpeexMode speex_uwb_mode;
|
||||
|
||||
/** List of all modes available */
|
||||
extern const SpeexMode * const speex_mode_list[SPEEX_NB_MODES];
|
||||
|
||||
/** Obtain one of the modes available */
|
||||
const SpeexMode * speex_lib_get_mode (int mode);
|
||||
|
||||
#ifndef WIN32
|
||||
/* We actually override the function in the narrowband case so that we can avoid linking in the wideband stuff */
|
||||
#define speex_lib_get_mode(mode) ((mode)==SPEEX_MODEID_NB ? &speex_nb_mode : speex_lib_get_mode (mode))
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @}*/
|
||||
#endif
|
||||
|
|
@ -0,0 +1,174 @@
|
|||
/* Copyright (C) 2002 Jean-Marc Valin */
|
||||
/**
|
||||
@file speex_bits.h
|
||||
@brief Handles bit packing/unpacking
|
||||
*/
|
||||
/*
|
||||
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 Xiph.org Foundation 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 FOUNDATION 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 BITS_H
|
||||
#define BITS_H
|
||||
/** @defgroup SpeexBits SpeexBits: Bit-stream manipulations
|
||||
* This is the structure that holds the bit-stream when encoding or decoding
|
||||
* with Speex. It allows some manipulations as well.
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/** Bit-packing data structure representing (part of) a bit-stream. */
|
||||
typedef struct SpeexBits {
|
||||
char *chars; /**< "raw" data */
|
||||
int nbBits; /**< Total number of bits stored in the stream*/
|
||||
int charPtr; /**< Position of the byte "cursor" */
|
||||
int bitPtr; /**< Position of the bit "cursor" within the current char */
|
||||
int owner; /**< Does the struct "own" the "raw" buffer (member "chars") */
|
||||
int overflow;/**< Set to one if we try to read past the valid data */
|
||||
int buf_size;/**< Allocated size for buffer */
|
||||
int reserved1; /**< Reserved for future use */
|
||||
void *reserved2; /**< Reserved for future use */
|
||||
} SpeexBits;
|
||||
|
||||
/** Initializes and allocates resources for a SpeexBits struct */
|
||||
void speex_bits_init(SpeexBits *bits);
|
||||
|
||||
/** Initializes SpeexBits struct using a pre-allocated buffer*/
|
||||
void speex_bits_init_buffer(SpeexBits *bits, void *buff, int buf_size);
|
||||
|
||||
/** Sets the bits in a SpeexBits struct to use data from an existing buffer (for decoding without copying data) */
|
||||
void speex_bits_set_bit_buffer(SpeexBits *bits, void *buff, int buf_size);
|
||||
|
||||
/** Frees all resources associated to a SpeexBits struct. Right now this does nothing since no resources are allocated, but this could change in the future.*/
|
||||
void speex_bits_destroy(SpeexBits *bits);
|
||||
|
||||
/** Resets bits to initial value (just after initialization, erasing content)*/
|
||||
void speex_bits_reset(SpeexBits *bits);
|
||||
|
||||
/** Rewind the bit-stream to the beginning (ready for read) without erasing the content */
|
||||
void speex_bits_rewind(SpeexBits *bits);
|
||||
|
||||
/** Initializes the bit-stream from the data in an area of memory */
|
||||
void speex_bits_read_from(SpeexBits *bits, const char *bytes, int len);
|
||||
|
||||
/** Append bytes to the bit-stream
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param bytes pointer to the bytes what will be appended
|
||||
* @param len Number of bytes of append
|
||||
*/
|
||||
void speex_bits_read_whole_bytes(SpeexBits *bits, const char *bytes, int len);
|
||||
|
||||
/** Write the content of a bit-stream to an area of memory
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param bytes Memory location where to write the bits
|
||||
* @param max_len Maximum number of bytes to write (i.e. size of the "bytes" buffer)
|
||||
* @return Number of bytes written to the "bytes" buffer
|
||||
*/
|
||||
int speex_bits_write(SpeexBits *bits, char *bytes, int max_len);
|
||||
|
||||
/** Like speex_bits_write, but writes only the complete bytes in the stream. Also removes the written bytes from the stream */
|
||||
int speex_bits_write_whole_bytes(SpeexBits *bits, char *bytes, int max_len);
|
||||
|
||||
/** Append bits to the bit-stream
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param data Value to append as integer
|
||||
* @param nbBits number of bits to consider in "data"
|
||||
*/
|
||||
void speex_bits_pack(SpeexBits *bits, int data, int nbBits);
|
||||
|
||||
/** Interpret the next bits in the bit-stream as a signed integer
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param nbBits Number of bits to interpret
|
||||
* @return A signed integer represented by the bits read
|
||||
*/
|
||||
int speex_bits_unpack_signed(SpeexBits *bits, int nbBits);
|
||||
|
||||
/** Interpret the next bits in the bit-stream as an unsigned integer
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param nbBits Number of bits to interpret
|
||||
* @return An unsigned integer represented by the bits read
|
||||
*/
|
||||
unsigned int speex_bits_unpack_unsigned(SpeexBits *bits, int nbBits);
|
||||
|
||||
/** Returns the number of bytes in the bit-stream, including the last one even if it is not "full"
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @return Number of bytes in the stream
|
||||
*/
|
||||
int speex_bits_nbytes(SpeexBits *bits);
|
||||
|
||||
/** Same as speex_bits_unpack_unsigned, but without modifying the cursor position
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param nbBits Number of bits to look for
|
||||
* @return Value of the bits peeked, interpreted as unsigned
|
||||
*/
|
||||
unsigned int speex_bits_peek_unsigned(SpeexBits *bits, int nbBits);
|
||||
|
||||
/** Get the value of the next bit in the stream, without modifying the
|
||||
* "cursor" position
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @return Value of the bit peeked (one bit only)
|
||||
*/
|
||||
int speex_bits_peek(SpeexBits *bits);
|
||||
|
||||
/** Advances the position of the "bit cursor" in the stream
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @param n Number of bits to advance
|
||||
*/
|
||||
void speex_bits_advance(SpeexBits *bits, int n);
|
||||
|
||||
/** Returns the number of bits remaining to be read in a stream
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
* @return Number of bits that can still be read from the stream
|
||||
*/
|
||||
int speex_bits_remaining(SpeexBits *bits);
|
||||
|
||||
/** Insert a terminator so that the data can be sent as a packet while auto-detecting
|
||||
* the number of frames in each packet
|
||||
*
|
||||
* @param bits Bit-stream to operate on
|
||||
*/
|
||||
void speex_bits_insert_terminator(SpeexBits *bits);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/* @} */
|
||||
#endif
|
||||
|
|
@ -0,0 +1,134 @@
|
|||
/* Copyright (C) 2002 Jean-Marc Valin*/
|
||||
/**
|
||||
@file speex_callbacks.h
|
||||
@brief Describes callback handling and in-band signalling
|
||||
*/
|
||||
/*
|
||||
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 Xiph.org Foundation 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 FOUNDATION 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 SPEEX_CALLBACKS_H
|
||||
#define SPEEX_CALLBACKS_H
|
||||
/** @defgroup SpeexCallbacks Various definitions for Speex callbacks supported by the decoder.
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include "speex.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/** Total number of callbacks */
|
||||
#define SPEEX_MAX_CALLBACKS 16
|
||||
|
||||
/* Describes all the in-band requests */
|
||||
|
||||
/*These are 1-bit requests*/
|
||||
/** Request for perceptual enhancement (1 for on, 0 for off) */
|
||||
#define SPEEX_INBAND_ENH_REQUEST 0
|
||||
/** Reserved */
|
||||
#define SPEEX_INBAND_RESERVED1 1
|
||||
|
||||
/*These are 4-bit requests*/
|
||||
/** Request for a mode change */
|
||||
#define SPEEX_INBAND_MODE_REQUEST 2
|
||||
/** Request for a low mode change */
|
||||
#define SPEEX_INBAND_LOW_MODE_REQUEST 3
|
||||
/** Request for a high mode change */
|
||||
#define SPEEX_INBAND_HIGH_MODE_REQUEST 4
|
||||
/** Request for VBR (1 on, 0 off) */
|
||||
#define SPEEX_INBAND_VBR_QUALITY_REQUEST 5
|
||||
/** Request to be sent acknowledge */
|
||||
#define SPEEX_INBAND_ACKNOWLEDGE_REQUEST 6
|
||||
/** Request for VBR (1 for on, 0 for off) */
|
||||
#define SPEEX_INBAND_VBR_REQUEST 7
|
||||
|
||||
/*These are 8-bit requests*/
|
||||
/** Send a character in-band */
|
||||
#define SPEEX_INBAND_CHAR 8
|
||||
/** Intensity stereo information */
|
||||
#define SPEEX_INBAND_STEREO 9
|
||||
|
||||
/*These are 16-bit requests*/
|
||||
/** Transmit max bit-rate allowed */
|
||||
#define SPEEX_INBAND_MAX_BITRATE 10
|
||||
|
||||
/*These are 32-bit requests*/
|
||||
/** Acknowledge packet reception */
|
||||
#define SPEEX_INBAND_ACKNOWLEDGE 12
|
||||
|
||||
/** Callback function type */
|
||||
typedef int (*speex_callback_func)(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Callback information */
|
||||
typedef struct SpeexCallback {
|
||||
int callback_id; /**< ID associated to the callback */
|
||||
speex_callback_func func; /**< Callback handler function */
|
||||
void *data; /**< Data that will be sent to the handler */
|
||||
void *reserved1; /**< Reserved for future use */
|
||||
int reserved2; /**< Reserved for future use */
|
||||
} SpeexCallback;
|
||||
|
||||
/** Handle in-band request */
|
||||
int speex_inband_handler(SpeexBits *bits, SpeexCallback *callback_list, void *state);
|
||||
|
||||
/** Standard handler for mode request (change mode, no questions asked) */
|
||||
int speex_std_mode_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Standard handler for high mode request (change high mode, no questions asked) */
|
||||
int speex_std_high_mode_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Standard handler for in-band characters (write to stderr) */
|
||||
int speex_std_char_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Default handler for user-defined requests: in this case, just ignore */
|
||||
int speex_default_user_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
|
||||
|
||||
/** Standard handler for low mode request (change low mode, no questions asked) */
|
||||
int speex_std_low_mode_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Standard handler for VBR request (Set VBR, no questions asked) */
|
||||
int speex_std_vbr_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Standard handler for enhancer request (Turn enhancer on/off, no questions asked) */
|
||||
int speex_std_enh_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
/** Standard handler for VBR quality request (Set VBR quality, no questions asked) */
|
||||
int speex_std_vbr_quality_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
#ifndef __SPEEX_TYPES_H__
|
||||
#define __SPEEX_TYPES_H__
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
typedef int16_t spx_int16_t;
|
||||
typedef uint16_t spx_uint16_t;
|
||||
typedef int32_t spx_int32_t;
|
||||
typedef uint32_t spx_uint32_t;
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -0,0 +1,94 @@
|
|||
/* Copyright (C) 2002 Jean-Marc Valin */
|
||||
/**
|
||||
@file speex_header.h
|
||||
@brief Describes the Speex header
|
||||
*/
|
||||
/*
|
||||
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 Xiph.org Foundation 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 FOUNDATION 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 SPEEX_HEADER_H
|
||||
#define SPEEX_HEADER_H
|
||||
/** @defgroup SpeexHeader SpeexHeader: Makes it easy to write/parse an Ogg/Speex header
|
||||
* This is the Speex header for the Ogg encapsulation. You don't need that if you just use RTP.
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include "speex_types.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct SpeexMode;
|
||||
|
||||
/** Length of the Speex header identifier */
|
||||
#define SPEEX_HEADER_STRING_LENGTH 8
|
||||
|
||||
/** Maximum number of characters for encoding the Speex version number in the header */
|
||||
#define SPEEX_HEADER_VERSION_LENGTH 20
|
||||
|
||||
/** Speex header info for file-based formats */
|
||||
typedef struct SpeexHeader {
|
||||
char speex_string[SPEEX_HEADER_STRING_LENGTH]; /**< Identifies a Speex bit-stream, always set to "Speex " */
|
||||
char speex_version[SPEEX_HEADER_VERSION_LENGTH]; /**< Speex version */
|
||||
spx_int32_t speex_version_id; /**< Version for Speex (for checking compatibility) */
|
||||
spx_int32_t header_size; /**< Total size of the header ( sizeof(SpeexHeader) ) */
|
||||
spx_int32_t rate; /**< Sampling rate used */
|
||||
spx_int32_t mode; /**< Mode used (0 for narrowband, 1 for wideband) */
|
||||
spx_int32_t mode_bitstream_version; /**< Version ID of the bit-stream */
|
||||
spx_int32_t nb_channels; /**< Number of channels encoded */
|
||||
spx_int32_t bitrate; /**< Bit-rate used */
|
||||
spx_int32_t frame_size; /**< Size of frames */
|
||||
spx_int32_t vbr; /**< 1 for a VBR encoding, 0 otherwise */
|
||||
spx_int32_t frames_per_packet; /**< Number of frames stored per Ogg packet */
|
||||
spx_int32_t extra_headers; /**< Number of additional headers after the comments */
|
||||
spx_int32_t reserved1; /**< Reserved for future use, must be zero */
|
||||
spx_int32_t reserved2; /**< Reserved for future use, must be zero */
|
||||
} SpeexHeader;
|
||||
|
||||
/** Initializes a SpeexHeader using basic information */
|
||||
void speex_init_header(SpeexHeader *header, int rate, int nb_channels, const struct SpeexMode *m);
|
||||
|
||||
/** Creates the header packet from the header itself (mostly involves endianness conversion) */
|
||||
char *speex_header_to_packet(SpeexHeader *header, int *size);
|
||||
|
||||
/** Creates a SpeexHeader from a packet */
|
||||
SpeexHeader *speex_packet_to_header(char *packet, int size);
|
||||
|
||||
/** Frees the memory allocated by either speex_header_to_packet() or speex_packet_to_header() */
|
||||
void speex_header_free(void *ptr);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
|
|
@ -0,0 +1,92 @@
|
|||
/* Copyright (C) 2002 Jean-Marc Valin*/
|
||||
/**
|
||||
@file speex_stereo.h
|
||||
@brief Describes the handling for intensity stereo
|
||||
*/
|
||||
/*
|
||||
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 Xiph.org Foundation 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 FOUNDATION 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 STEREO_H
|
||||
#define STEREO_H
|
||||
/** @defgroup SpeexStereoState SpeexStereoState: Handling Speex stereo files
|
||||
* This describes the Speex intensity stereo encoding/decoding
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include "speex_types.h"
|
||||
#include "speex_bits.h"
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/** If you access any of these fields directly, I'll personally come and bite you */
|
||||
typedef struct SpeexStereoState {
|
||||
float balance; /**< Left/right balance info */
|
||||
float e_ratio; /**< Ratio of energies: E(left+right)/[E(left)+E(right)] */
|
||||
float smooth_left; /**< Smoothed left channel gain */
|
||||
float smooth_right; /**< Smoothed right channel gain */
|
||||
float reserved1; /**< Reserved for future use */
|
||||
float reserved2; /**< Reserved for future use */
|
||||
} SpeexStereoState;
|
||||
|
||||
/** Deprecated. Use speex_stereo_state_init() instead. */
|
||||
#define SPEEX_STEREO_STATE_INIT {1,.5,1,1,0,0}
|
||||
|
||||
/** Initialise/create a stereo stereo state */
|
||||
SpeexStereoState *speex_stereo_state_init();
|
||||
|
||||
/** Reset/re-initialise an already allocated stereo state */
|
||||
void speex_stereo_state_reset(SpeexStereoState *stereo);
|
||||
|
||||
/** Destroy a stereo stereo state */
|
||||
void speex_stereo_state_destroy(SpeexStereoState *stereo);
|
||||
|
||||
/** Transforms a stereo frame into a mono frame and stores intensity stereo info in 'bits' */
|
||||
void speex_encode_stereo(float *data, int frame_size, SpeexBits *bits);
|
||||
|
||||
/** Transforms a stereo frame into a mono frame and stores intensity stereo info in 'bits' */
|
||||
void speex_encode_stereo_int(spx_int16_t *data, int frame_size, SpeexBits *bits);
|
||||
|
||||
/** Transforms a mono frame into a stereo frame using intensity stereo info */
|
||||
void speex_decode_stereo(float *data, int frame_size, SpeexStereoState *stereo);
|
||||
|
||||
/** Transforms a mono frame into a stereo frame using intensity stereo info */
|
||||
void speex_decode_stereo_int(spx_int16_t *data, int frame_size, SpeexStereoState *stereo);
|
||||
|
||||
/** Callback handler for intensity stereo info */
|
||||
int speex_std_stereo_request_handler(SpeexBits *bits, void *state, void *data);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
|
|
@ -0,0 +1,126 @@
|
|||
/* speex_types.h taken from libogg */
|
||||
/********************************************************************
|
||||
* *
|
||||
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
|
||||
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
|
||||
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
|
||||
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
|
||||
* *
|
||||
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
|
||||
* by the Xiph.Org Foundation http://www.xiph.org/ *
|
||||
* *
|
||||
********************************************************************
|
||||
|
||||
function: #ifdef jail to whip a few platforms into the UNIX ideal.
|
||||
last mod: $Id: os_types.h 7524 2004-08-11 04:20:36Z conrad $
|
||||
|
||||
********************************************************************/
|
||||
/**
|
||||
@file speex_types.h
|
||||
@brief Speex types
|
||||
*/
|
||||
#ifndef _SPEEX_TYPES_H
|
||||
#define _SPEEX_TYPES_H
|
||||
|
||||
#if defined(_WIN32)
|
||||
|
||||
# if defined(__CYGWIN__)
|
||||
# include <_G_config.h>
|
||||
typedef _G_int32_t spx_int32_t;
|
||||
typedef _G_uint32_t spx_uint32_t;
|
||||
typedef _G_int16_t spx_int16_t;
|
||||
typedef _G_uint16_t spx_uint16_t;
|
||||
# elif defined(__MINGW32__)
|
||||
typedef short spx_int16_t;
|
||||
typedef unsigned short spx_uint16_t;
|
||||
typedef int spx_int32_t;
|
||||
typedef unsigned int spx_uint32_t;
|
||||
# elif defined(__MWERKS__)
|
||||
typedef int spx_int32_t;
|
||||
typedef unsigned int spx_uint32_t;
|
||||
typedef short spx_int16_t;
|
||||
typedef unsigned short spx_uint16_t;
|
||||
# else
|
||||
/* MSVC/Borland */
|
||||
typedef __int32 spx_int32_t;
|
||||
typedef unsigned __int32 spx_uint32_t;
|
||||
typedef __int16 spx_int16_t;
|
||||
typedef unsigned __int16 spx_uint16_t;
|
||||
# endif
|
||||
|
||||
#elif defined(__MACOS__)
|
||||
|
||||
# include <sys/types.h>
|
||||
typedef SInt16 spx_int16_t;
|
||||
typedef UInt16 spx_uint16_t;
|
||||
typedef SInt32 spx_int32_t;
|
||||
typedef UInt32 spx_uint32_t;
|
||||
|
||||
#elif (defined(__APPLE__) && defined(__MACH__)) /* MacOS X Framework build */
|
||||
|
||||
# include <sys/types.h>
|
||||
typedef int16_t spx_int16_t;
|
||||
typedef u_int16_t spx_uint16_t;
|
||||
typedef int32_t spx_int32_t;
|
||||
typedef u_int32_t spx_uint32_t;
|
||||
|
||||
#elif defined(__BEOS__)
|
||||
|
||||
/* Be */
|
||||
# include <inttypes.h>
|
||||
typedef int16_t spx_int16_t;
|
||||
typedef u_int16_t spx_uint16_t;
|
||||
typedef int32_t spx_int32_t;
|
||||
typedef u_int32_t spx_uint32_t;
|
||||
|
||||
#elif defined (__EMX__)
|
||||
|
||||
/* OS/2 GCC */
|
||||
typedef short spx_int16_t;
|
||||
typedef unsigned short spx_uint16_t;
|
||||
typedef int spx_int32_t;
|
||||
typedef unsigned int spx_uint32_t;
|
||||
|
||||
#elif defined (DJGPP)
|
||||
|
||||
/* DJGPP */
|
||||
typedef short spx_int16_t;
|
||||
typedef int spx_int32_t;
|
||||
typedef unsigned int spx_uint32_t;
|
||||
|
||||
#elif defined(R5900)
|
||||
|
||||
/* PS2 EE */
|
||||
typedef int spx_int32_t;
|
||||
typedef unsigned spx_uint32_t;
|
||||
typedef short spx_int16_t;
|
||||
|
||||
#elif defined(__SYMBIAN32__)
|
||||
|
||||
/* Symbian GCC */
|
||||
typedef signed short spx_int16_t;
|
||||
typedef unsigned short spx_uint16_t;
|
||||
typedef signed int spx_int32_t;
|
||||
typedef unsigned int spx_uint32_t;
|
||||
|
||||
#elif defined(CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
|
||||
|
||||
typedef short spx_int16_t;
|
||||
typedef unsigned short spx_uint16_t;
|
||||
typedef long spx_int32_t;
|
||||
typedef unsigned long spx_uint32_t;
|
||||
|
||||
#elif defined(CONFIG_TI_C6X)
|
||||
|
||||
typedef short spx_int16_t;
|
||||
typedef unsigned short spx_uint16_t;
|
||||
typedef int spx_int32_t;
|
||||
typedef unsigned int spx_uint32_t;
|
||||
|
||||
#else
|
||||
|
||||
#include "speex_config_types.h"
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* _SPEEX_TYPES_H */
|
||||
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Reference in New Issue