From ab5820c1ac8fe47084be69717503de2ce00b5956 Mon Sep 17 00:00:00 2001 From: Andre Date: Sat, 13 May 2006 21:38:39 +0200 Subject: [PATCH] documentation update mention aac and clarify the audiod section in INSTALL --- FEATURES | 38 +++++++++++++++++++------------------- INSTALL | 46 +++++++++++++++++++++++++++------------------- NEWS | 3 +++ README | 25 ++++++++++++++----------- 4 files changed, 63 insertions(+), 49 deletions(-) diff --git a/FEATURES b/FEATURES index 7fdd2399..e544d625 100644 --- a/FEATURES +++ b/FEATURES @@ -3,24 +3,22 @@ Features configurable audio streaming software: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - para_server streams binary audio data (mp3/ogg files) over - local and/or remote networks. It supports three builtin + para_server streams binary audio data (mp3/ogg/m4a files) + over local and/or remote networks. It supports three builtin streaming methods (senders): http, dccp, or rtp. para_audiod runs on the client side and connects to para_server. The audio stream is read from the network and - sent through any of paraslash's filters (mp3 decoder, ogg - vorbis decoder, volume normalizer,...). The resulting stream - is written to an external program's standard in, usually an - audio player like para_write, which comes with paraslash and - contains an alsa player. It is possible to capture the stream - at any position in the filter chain. - - The receiving/filtering software is also available as - standalone command line tool: para_recv reads the stream and - writes to stdout; para_filter reads from stdin, converts the - stream according to the given --filter command line options - and writes the transformed stream to stdout. + sent through any of paraslash's filters (decoder, volume + normalizer,...). The resulting stream is written to an external + program's standard in, usually an audio player like para_write, + which comes with paraslash and contains an alsa player. It + is possible to capture the stream at any position in the + filter chain. + + The receiving/filtering/playing software is also available + as standalone command line tool: para_recv, para_filter, + and para_write. configurable audio file selectors: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -32,8 +30,8 @@ configurable audio file selectors: or files given by a playlist respectively. The (optional) mysql selector is more involved. It manages - statistics on your audio files, and audio file selection is - done by sending a user-defined sql-query to the mysql server. + statistics on your audio files, and audio file selection works + by sending a user-defined sql-query to the mysql server. This allows rather sophisticated configurations and is explained in detail in README.mysql. @@ -44,8 +42,8 @@ small memory footprint: ~~~~~~~~~~~~~~~~~~~~~~~ paraslash is lightweight. The stripped binary of para_server with all its features compiled in (mysql/random/playlist - selector, mp3/ogg support, http/dccp/ortp support) is about 110K - on i386 under Linux. para_audiod is even smaller. + selector, mp3/ogg/aac support, http/dccp/ortp support) is + about 120K on i386 under Linux. para_audiod is even smaller. command line interface: ~~~~~~~~~~~~~~~~~~~~~~~ @@ -57,7 +55,9 @@ authentication/encryption via openssl: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ All connections between para_server and para_client are encrypted by default. For each user of paraslash you must - create a public/secret key pair for authentication/encryption. + create a public/secret key pair for authentication. The + (authenticated) connection is crypted with a symmetric rc4 + session key. various user interfaces and utilities: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/INSTALL b/INSTALL index adb75c5c..9e53e1f3 100644 --- a/INSTALL +++ b/INSTALL @@ -22,7 +22,6 @@ software). Then, as root, make install - Setup user list and create rsa keys ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If you already have your rsa keys, skip this step. If you are new @@ -92,11 +91,21 @@ Start streaming manually This starts streaming and dumps some information on the current song to stdout. -You should now be able to listen to the stream with any player -capable of reading from stdin. To check this, try the following -on client_host: +You should now be able to receive and listen to the stream. To check +this, try the following on client_host (assuming alsa and an mp3 +stream): + + para_recv -r 'http -i server_host' > file.mp3 #interrupt after a few seconds + ls -l file.mp3 # should not be empty + para_filter -f mp3dec -f wav < file.mp3 > file.wav + ls -l file.wav # should be much bigger than file.mp3 + para_write -w alsa < file.wav - mp3: +If this works, proceed. Otherwise doublecheck what is logged by +para_server and use the --loglevel option of para_recv, para_filter +and para_write to increase verbosity. + +Next, put the pieces together: para_recv -r 'http -i server_host' | para_filter -f mp3dec -f wav | para_write -w alsa or @@ -104,14 +113,6 @@ on client_host: or xmms http://server_host:8000/ - ogg: - - para_recv -r 'http -i server_host' | para_filter -f oggdec -f wav | para_write -w alsa - -If this works, proceed. Otherwise doublecheck what is logged by -para_server and use the --loglevel option of para_recv, para_filter -to increase verbosity. - Choose an audio file selector ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ paraslash has three different audio file selectors: random (default), @@ -147,17 +148,24 @@ the audio stream. Try para_audiod -h for help. Usually you have to specify at least server_host as the -receiver specifier, like this: +receiver specifier for each supported audio format, like this: -r 'mp3:http -i server_host' The prefered way to use para_audiod is to run it once at system start as an unprivileged user. para_audiod needs to create a "well-known" -socket for the clients to connect to. If you want to change the -default socket (e.g. because you do not have write access for the -directory where the socket resides), use the -s option or the config -file to change the default. Note that in this case you'll also have -to specify the same value for para_audioc's -s option. +socket for the clients to connect to. The default path for this +socket is + + /var/paraslash/audiod_socket.$HOSTNAME + +so the /var/paraslash directory should be owned by the user who +runs para_audiod. + +If you want to change location of the default socket, use the -s +option for para_audiod or the config file ~/.paraslash/audiod.conf +to change the default. Note that in this case you'll also have to +specify the same value for para_audioc's -s option. If para_server is playing, you should be able to listen to the audio stream as soon as para_audiod is started. Once it is running, try diff --git a/NEWS b/NEWS index 4444f9e0..fcf9e520 100644 --- a/NEWS +++ b/NEWS @@ -4,6 +4,9 @@ NEWS 0.?.? (to be announced) "sonic convolution" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + o aac filter and aac audio format handler (requires libfaad) + + 0.2.12 (2006-05-12) "oriented abstraction" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Many user-visible changes in this release and lots of new diff --git a/README b/README index 5073ca55..017bc0c3 100644 --- a/README +++ b/README @@ -8,11 +8,12 @@ It contains the following programs: - para_server (obligatory): - This server listens on a tcp port and accepts commands such as - play, stop, pause, next from authenticated clients. + This server supports audio streaming of mp3, ogg vorbis and + aac files. It listens on a tcp port and accepts commands + such as play, stop, pause, next from authenticated clients. - For audio streaming, at least one of the three supported senders - of para_server must be activated: + The audio stream may be sent over the network by three + different senders: The http sender is recommended for public streams that can be played by any player like mpg123, xmms, winamp... @@ -24,8 +25,6 @@ It contains the following programs: private streams that require authentication. It is possible to activate more than one sender simultaneously. - All senders have the same set of commands that allow to - control the access permissions of the stream. para_server needs an "audio file selector" to work, mainly to determine which song to stream next. There are three @@ -51,7 +50,7 @@ It contains the following programs: stdout. This one is independent from the rest of paraslash, so it might be useful also for different purposes. - para_filter combines an mp3 decoder an oggvorbis decoder + para_filter combines several decoders (mp3, oggvorbis, aac) and a volume normalzer. New filters can be added easily due to the modular design. If more than one filter is specified, the given filters are 'piped' together in-memory, i.e. without @@ -161,15 +160,19 @@ make sure to install the corresponding development package as well. If you want to stream ogg vorbis files you'll need: - libogg, libvorbis, libvorbisfile, and a command line ogg vorbis - decoder, e.g. para_filter or ogg123. + decoder, e.g. para_filter or ogg123. http://www.xiph.org/downloads/ Debian packages: libogg-dev libvorbis-dev -Note that para_audiod still works even if neither mp3 nor ogg support -was compiled in. You'll have to use the --no_default_filters option -in this case (and e.g. "mpg123 -" as the stream write command). +For aac files (m4a) you'll need libfaad. Get it at + + http://www.audiocoding.com/modules/wiki/?page=AAC + +Note that para_audiod still works even if no audio file support was +compiled in. You'll have to use the --no_default_filters option in this +case (and e.g. "mpg123 -" as the stream write command for mp3 streams). If you intend to use the optional ortp streamer: -- 2.39.5