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136 lines
4.5 KiB
Plaintext
136 lines
4.5 KiB
Plaintext
ezstream README
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ABOUT EZSTREAM
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Ezstream is a command line source client for Icecast media streaming servers,
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and the successor of the old "shout" utility.
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In its basic mode of operation, it streams media files or data from standard
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input without reencoding and thus requires only very little CPU resources. It
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can also use various external decoders and encoders to reencode from one
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format to another, and stream the result to an Icecast server.
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Supported media formats for streaming are MP3, Ogg Vorbis and Ogg Theora.
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Metadata support is available for MP3 (ID3v1 only) and Ogg Vorbis.
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Ezstream is free software and licensed under the GNU General Public License.
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See the COPYING file for details.
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PREREQUISITES
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Ezstream depends on:
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* libshout 2.2.x (http://www.icecast.org/)
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* libshout dependencies, such as libogg, libvorbis, libtheora, etc.
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(http://www.vorbis.com/ and http://www.theora.org/)
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* libxml 2.x (http://xmlsoft.org/)
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INSTALLATION
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The ezstream software uses the GNU auto-tools to configure, build and install
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on a variety of systems. Aside from the standard autoconf options of the
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configure script, a couple of additional options are available:
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--with-xml-config=PATH use xml-config in PATH to find libxml
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--with-ogg=PREFIX Prefix where libogg is installed (optional)
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--with-vorbis=PREFIX Prefix where libvorbis is installed (optional)
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The compilation and installation process boils down to the usual
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$ ./configure --help | less # Skim over the available options
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$ ./configure [options] && make && [sudo] make install
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# Configure, build and install
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# [as root] the software
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If this procedure is unfamiliar to you, please consult the INSTALL file for
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more detailed instructions.
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USAGE
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:::::::
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Once ezstream is successfully installed, type "man ezstream" (without quotes)
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on the command line for a comprehensive manual. This distribution package also
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comes with example configuration files that can be used as a guide to configure
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ezstream.
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Note that all by itself, ezstream is not particularly useful. It requires a
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running Icecast server to stream to, which then relays the stream to many
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listeners. If this comes as a surprise, browse to http://www.icecast.org/ for
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a lot more information, resources, and other source clients.
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EXTERNAL DECODERS/ENCODERS
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Ezstream should be able to work with any media decoder and encoder that
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fulfills the following requirements:
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1. It needs to be executable on the command line and not require a graphical
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display to function.
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2.1. A decoder needs to be capable of sending RAW data to standard output.
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2.2. An encoder needs to be capable of reading RAW data from standard input.
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2.3. A combined de-/encoder needs to be capable of sending streamable media
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to standard output.
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Media formats that ezstream does not support directly are passed through
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unaltered. Whether they work or not depends on the level of support offered
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by the version of libshout ezstream is linked with.
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The following incomplete list of programs shows a few that are known to work.
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These are also used in the example configuration files:
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* MP3
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- Decoder: madplay (http://mad.sf.net/)
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- Encoder: lame (http://lame.sf.net/)
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* Ogg Vorbis:
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- Decoder: oggdec
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- Encoder: oggenc
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Both utilities are in the vorbis-tools package (http://www.vorbis.com/).
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* FLAC:
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- Decoder: flac (http://flac.sf.net/)
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- Encoder: (None. Not supported by libshout at the time of writing, and
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thus cannot be used by ezstream.)
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* Ogg Theora:
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- Decoder/Encoder: ffmpeg2theora (http://v2v.cc/~j/ffmpeg2theora/)
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OPERATING SYSTEM SPECIFIC NOTES
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:::::::::::::::::::::::::::::::::
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* Ezstream and SunPRO cc/c99 on Solaris:
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Ezstream may not build with SunPRO cc/c99 "out of the box" if a threaded
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libshout was built with gcc. This known issue results in the following error
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message from the linker:
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ld: fatal: option -h and building a dynamic executable are incompatible
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This is related to gcc and GNU ld using different compiler/linker flags,
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related to POSIX threads, than the SunPRO compilers. These are being passed
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on to ezstream, where cc or c99 ultimately chokes on them.
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Ezstream compiles with both cc/c99 and gcc if libshout was built with Sun's
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compiler. If libshout was built with gcc, compile ezstream with gcc as well.
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