flac-1.1.3

所属分类:多媒体编程
开发工具:Visual C++
文件大小:1385KB
下载次数:21
上传日期:2009-03-22 22:43:07
上 传 者李东日
说明:  音频无损压缩FLAC的库代码,不错的代码,有做编码的朋友可以看看
(FLAC lossless audio compression library code, good code, have to do coding friends can see)

文件列表:
音频无损压缩 flac-1.1.3\all.dsp (1828, 2002-11-21)
音频无损压缩 flac-1.1.3\all_dynamic.dsp (1916, 2002-11-21)
音频无损压缩 flac-1.1.3\all_static.dsp (1905, 2002-11-21)
音频无损压缩 flac-1.1.3\AUTHORS (1634, 2006-04-25)
音频无损压缩 flac-1.1.3\build\config.mk (1984, 2006-11-04)
音频无损压缩 flac-1.1.3\build\exe.mk (3394, 2006-11-17)
音频无损压缩 flac-1.1.3\build\lib.mk (4434, 2006-11-17)
音频无损压缩 flac-1.1.3\clean.bat (387, 2008-09-11)
音频无损压缩 flac-1.1.3\configure (793849, 2006-11-27)
音频无损压缩 flac-1.1.3\depcomp (13866, 2005-03-01)
音频无损压缩 flac-1.1.3\doc\Doxyfile (50304, 2006-10-16)
音频无损压缩 flac-1.1.3\doc\doxygen.footer.html (865, 2006-10-05)
音频无损压缩 flac-1.1.3\doc\doxygen.header.html (421, 2006-10-05)
音频无损压缩 flac-1.1.3\doc\FLAC.tag (483301, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\+_2all_8h-source.html (5249, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\+_2export_8h-source.html (6357, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\+_2metadata_8h-source.html (96443, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\+_2metadata_8h.html (5481, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\all_8h-source.html (5606, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\annotated.html (10552, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\assert_8h-source.html (5773, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\callback_8h-source.html (8406, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\callback_8h.html (4623, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classes.html (9961, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1File-members.html (18070, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1File.html (63092, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1File.png (488, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1Stream-members.html (15948, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1Stream.html (55181, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1Stream.png (499, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1Stream_1_1State-members.html (3605, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Decoder_1_1Stream_1_1State.html (4357, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1File-members.html (22811, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1File.html (90111, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1File.png (492, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1Stream-members.html (20305, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1Stream.html (79601, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1Stream.png (502, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1Stream_1_1State-members.html (3605, 2006-11-27)
音频无损压缩 flac-1.1.3\doc\html\api\classFLAC_1_1Encoder_1_1Stream_1_1State.html (4357, 2006-11-27)
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/* FLAC - Free Lossless Audio Codec * Copyright (C) 2001,2002,2003,2004,2005,2006 Josh Coalson * * This file is part the FLAC project. FLAC is comprised of several * components distributed under difference licenses. The codec libraries * are distributed under Xiph.Org's BSD-like license (see the file * COPYING.Xiph in this distribution). All other programs, libraries, and * plugins are distributed under the LGPL or GPL (see COPYING.LGPL and * COPYING.GPL). The documentation is distributed under the Gnu FDL (see * COPYING.FDL). Each file in the FLAC distribution contains at the top the * terms under which it may be distributed. * * Since this particular file is relevant to all components of FLAC, * it may be distributed under the Xiph.Org license, which is the least * restrictive of those mentioned above. See the file COPYING.Xiph in this * distribution. */ FLAC (http://flac.sourceforge.net/) is an Open Source lossless audio codec developed by Josh Coalson. FLAC is comprised of * `libFLAC', a library which implements reference encoders and decoders for native FLAC and Ogg FLAC, and a metadata interface * `libFLAC++', a C++ object wrapper library around libFLAC * `flac', a command-line program for encoding and decoding files * `metaflac', a command-line program for viewing and editing FLAC metadata * player plugins for XMMS and Winamp * user and API documentation The libraries (libFLAC, libFLAC++) are licensed under Xiph.org's BSD-like license (see COPYING.Xiph). All other programs and plugins are licensed under the GNU General Public License (see COPYING.GPL). The documentation is licensed under the GNU Free Documentation License (see COPYING.FDL). =============================================================================== FLAC - 1.1.3 - Contents =============================================================================== - Introduction - Prerequisites - Building in a GNU environment - Building with Makefile.lite - Building with MSVC - Building on Mac OS X - Note to embedded developers =============================================================================== Introduction =============================================================================== This is the source release for the FLAC project. See doc/html/index.html for full documentation. A brief description of the directory tree: doc/ the HTML documentation flac.pbproj/ the Mac OS X Project Builder project include/ public include files for libFLAC and libFLAC++ man/ the man page for `flac' src/ the source code and private headers test/ the test scripts =============================================================================== Prerequisites =============================================================================== To build FLAC with support for Ogg FLAC you must have built and installed libogg according to the specific instructions below. You must have libogg 1.1.2 or greater, or there will be seeking problems with Ogg FLAC. If you are building on x86 and want the assembly optimizations, you will need to have NASM >= 0.***.30 installed according to the specific instructions below. =============================================================================== Building in a GNU environment =============================================================================== FLAC uses autoconf and libtool for configuring and building. Better documentation for these will be forthcoming, but in general, this should work: ./configure && make && make check && make install The 'make check' step is optional; omit it to skip all the tests, which can take several hours and use around 70-80 megs of disk space. Even though it will stop with an explicit message on any failure, it does print out a lot of stuff so you might want to capture the output to a file if you're having a problem. Also, don't run 'make check' as root because it confuses some of the tests. NOTE: Despite our best efforts it's entirely possible to have problems when using older versions of autoconf, automake, or libtool. If you have the latest versions and still can't get it to work, see the next section on Makefile.lite. There are a few FLAC-specific arguments you can give to `configure': --enable-debug : Builds everything with debug symbols and some extra (and more verbose) error checking. --disable-asm-optimizations : Disables the compilation of the assembly routines. Many routines have assembly versions for speed and `configure' is pretty good about knowing what is supported, but you can use this option to build only from the C sources. --enable-sse : If you are building for an x86 CPU that supports SSE instructions, you can enable some of the faster routines if your operating system also supports SSE instructions. flac can tell if the CPU supports the instructions but currently has no way to test if the OS does, so if it does, you must pass this argument to configure to use the SSE routines. If flac crashes when built with this option you will have to go back and configure without --enable-sse. Note that --disable-asm-optimizations implies --disable-sse. --enable-local-xmms-plugin : Installs the FLAC XMMS plugin in $HOME/.xmms/Plugins, instead of the global XMMS plugin area (usually /usr/lib/xmms/Input). --with-ogg= --with-xmms-prefix= --with-libiconv-prefix= Use these if you have these packages but configure can't find them. If you want to build completely from scratch (i.e. starting with just configure.in and Makefile.am) you should be able to just run 'autogen.sh' but make sure and read the comments in that file first. =============================================================================== Building with Makefile.lite =============================================================================== There is a more lightweight build system for do-it-yourself-ers. It is also useful if configure isn't working, which may be the case since lately we've had some problems with different versions of automake and libtool. The Makefile.lite system should work on GNU systems with few or no adjustments. From the top level just 'make -f Makefile.lite'. You can specify zero or one optional target from 'release', 'debug', 'test', or 'clean'. The default is 'release'. There is no 'install' target but everything you need will end up in the obj/ directory. If you are not on an x86 system or you don't have nasm, you may have to change the DEFINES in src/libFLAC/Makefile.lite. If you don't have nasm, remove -DFLAC__HAS_NASM. If your target is not an x86, change -DFLAC__CPU_IA32 to -DFLAC__CPU_UNKNOWN. =============================================================================== Building with MSVC =============================================================================== There are now .dsp projects and a master FLAC.dsw workspace to build all the libraries and executables. Prerequisite: you must have the Ogg libraries installed as described later. Prerequisite: you must have nasm installed, and nasmw.exe must be in your PATH, or the path to nasmw.exe must be added to the list of directories for executable files in the MSVC global options. To build everything, run Developer Studio, do File|Open Workspace, and open FLAC.dsw. Select "Build | Set active configuration..." from the menu, then in the dialog, select "All - Win32 Release" (or Debug if you prefer). Click "Ok" then hit F7 to build. This will build all libraries both statically (e.g. obj\release\lib\libFLAC_static.lib) and as DLLs (e.g. obj\release\bin\libFLAC.dll), and it will build all binaries, statically linked (e.g. obj\release\bin\flac.exe). Everything will end up in the "obj" directory. DLLs and .exe files are all that are needed and can be copied to an installation area and added to the PATH. The plugins have to be copied to their appropriate place in the player area. For Winamp2 this is \Plugins. By default the code is configured with Ogg support. Before building FLAC you will need to get the Ogg source distribution (see http://xiph.org/ogg/vorbis/download/), build ogg_static.lib (load and build win32\ogg_static.dsp), copy ogg_static.lib into FLAC's 'obj\release\lib' directory, and copy the entire include\ogg tree into FLAC's 'include' directory (so that there is an 'ogg' directory in FLAC's 'include' directory with the files ogg.h, os_types.h and config_types.h). =============================================================================== Building on Mac OS X =============================================================================== If you have Fink, the GNU flow above should work. Otherwise, there is a Project Builder project in the top-level source directory to build libFLAC and the command-line utilities on Mac OS X. In a terminal, cd to the top-level directory (the one that contains this README file) and type: pbxbuild -alltargets This will create everything and leave it in the build/ directory. Don't worry about the rest of the stuff that is in build/ or the stuff that was already there before building. The Project Builder project requires that you have libiconv and libogg in /sw, ala fink. If you don't, you'll need to install them somewhere and change the path to them in the Library Paths section of several targets. It also assumes the CPU supports Altivec instructions. If it does not, you will also have to add -DFLAC__NO_ASM to the CFLAGS in the libFLAC target. There currently is no install procedure; you will have to manually copy the tools to wherever you need them. =============================================================================== Note to embedded developers =============================================================================== libFLAC has grown larger over time as more functionality has been included, but much of it may be unnecessary for a particular embedded implementation. Unused parts may be pruned by some simple editing of configure.in and src/libFLAC/Makefile.am; the following dependency graph shows which modules may be pruned without breaking things further down: stream_encoder.h stream_decoder.h format.h stream_decoder.h format.h metadata.h format.h In other words, for pure decoding applications, both the stream encoder and metadata editing interfaces can be safely removed. There is a section dedicated to embedded use in the libFLAC API HTML documentation (see doc/html/api/index.html).

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