X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=web%2Fmanual.md;h=2c806614d1e4ea001f990949d817dd5929e39a00;hp=fb3a05f758ea6c3eed4e5d5cec81a4f586d66500;hb=de82e4d2f55b40b309d5e270b7e1a804509f4f38;hpb=e5de57de1b8bf1df96c152fc92f5a49f75d6d96c diff --git a/web/manual.md b/web/manual.md index fb3a05f7..2c806614 100644 --- a/web/manual.md +++ b/web/manual.md @@ -230,9 +230,9 @@ compatible with arbitrary HTTP streaming sources (e.g. icecast). In addition to the three network streaming modes, para_recv can also operate in local (afh) mode. In this mode it writes the content of an audio file on the local file system in complete chunks to stdout, -optionally 'just in time'. This allows to cut an audio file without -first decoding it, and it enables third-party software which is unaware -of the particular audio format to send complete frames in real time. +optionally 'just in time'. This allows cutting audio files without +decoding, and it enables third-party software which is unaware of +the particular audio format to send complete frames in real time.

para_filter

@@ -446,7 +446,7 @@ following commands: Next, change to the "bar" account on client_host and generate the key pair with the commands - ssh-keygen -q -t rsa -b 2048 -N '' -f $key + ssh-keygen -q -t rsa -b 2048 -N '' -m PEM This generates the two files id_rsa and id_rsa.pub in ~/.ssh. Note that para_server won't accept keys shorter than 2048 bits. Moreover, @@ -1541,27 +1541,6 @@ currently running server process. para_client si -The sender command of para_server prints information about senders, -like the various access control lists, and it allows to (de-)activate -senders and to change the access permissions at runtime. - --> List all senders - - para_client sender - --> Obtain general help for the sender command: - - para_client help sender - --> Get help for a specific sender (contains further examples): - - s=http # or dccp or udp - para_client sender $s help - --> Show status of the http sender - - para_client sender http status - By default para_server activates both the HTTP and th DCCP sender on startup. This can be changed via command line options or para_server's config file. @@ -1570,13 +1549,6 @@ config file. para_server -h -All senders share the "on" and "off" commands, so senders may be -activated and deactivated independently of each other. - --> Switch off the http sender: - - para_client sender http off - -> Receive a DCCP stream using CCID2 and write the output into a file: host=foo.org; ccid=2; filename=bar @@ -1587,20 +1559,11 @@ receiver has its own set of command line options and its own command line parser, so arguments for the dccp receiver must be protected from being interpreted by para_recv. --> Start UDP multicast, using the default multicast address: - - para_client sender udp add 224.0.1.38 - -> Receive FEC-encoded multicast stream and write the output into a file: filename=foo para_recv -r udp > $filename --> Add an UDP unicast for a client to the target list of the UDP sender: - - t=client.foo.org - para_client sender udp add $t - -> Receive this (FEC-encoded) unicast stream: filename=foo @@ -1778,7 +1741,7 @@ These filters are rather simple and do not modify the audio stream at all. The wav filter is only useful with para_filter and in connection with a decoder. It asks the decoder for the number of channels and the sample rate of the stream and adds a Microsoft wave header containing -this information at the beginning. This allows to write wav files +this information at the beginning. This allows writing wav files rather than raw PCM files (which do not contain any information about the number of channels and the sample rate). @@ -1792,17 +1755,6 @@ Both filters require almost no additional computing time, even when operating on uncompressed audio streams, since data buffers are simply "pushed down" rather than copied. -Examples --------- - --> Decode an mp3 file to wav format: - - para_filter -f mp3dec -f wav < file.mp3 > file.wav - --> Amplify a raw audio file by a factor of 1.5: - - para_filter -f amp --amp 32 < foo.raw > bar.raw - ====== Output ====== @@ -1852,8 +1804,8 @@ emulation for backwards compatibility. This API is rather simple but also limited. For example only one application can open the device at any time. The OSS writer is activated by default on BSD Systems. -- *FILE*. The file writer allows to capture the audio stream and -write the PCM data to a file on the file system rather than playing +- *FILE*. The file writer allows capturing the audio stream and +writing the PCM data to a file on the file system rather than playing it through a sound device. It is supported on all platforms and is always compiled in.