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| author | Přemysl Eric Janouch <p@janouch.name> | 2021-07-03 23:58:05 +0200 |
|---|---|---|
| committer | Přemysl Eric Janouch <p@janouch.name> | 2021-07-05 01:10:46 +0200 |
| commit | a439a56ee9c4cbf92817bd5bd1c89c59c4e5964b (patch) | |
| tree | a3aace0b50fe1662a05833817d1cf64a1b293646 /nncmpp.adoc | |
| parent | 120a11ca1b4644d9761ebba2e0341cf59411cf89 (diff) | |
| download | nncmpp-a439a56ee9c4cbf92817bd5bd1c89c59c4e5964b.tar.gz nncmpp-a439a56ee9c4cbf92817bd5bd1c89c59c4e5964b.tar.xz nncmpp-a439a56ee9c4cbf92817bd5bd1c89c59c4e5964b.zip | |
Add an optional spectrum visualiser
This is really more of a demo. It's doable, just rather ugly.
It would deserve some further tuning, if anyone cared enough.
Diffstat (limited to 'nncmpp.adoc')
| -rw-r--r-- | nncmpp.adoc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/nncmpp.adoc b/nncmpp.adoc index fd4f888..0909dd3 100644 --- a/nncmpp.adoc +++ b/nncmpp.adoc @@ -55,6 +55,7 @@ colors = { odd = "" selection = "reverse" multiselect = "-1 6" + defocused = "ul" scrollbar = "" } streams = { @@ -70,6 +71,27 @@ schemes in the _contrib_ directory. // TODO: it seems like liberty should contain an includable snippet about // the format, which could form a part of nncmpp.conf(5). +Spectrum visualiser +------------------- +When built against the FFTW library, *nncmpp* can make use of MPD's "fifo" +output plugin to show the audio spectrum. This has some caveats, namely that +it may not be properly synchronized, only one instance of a client can read from +a given named pipe at a time, it will cost you some CPU time, and finally you'll +need to set it up manually to match your MPD configuration, e.g.: + +.... +settings = { + ... + spectrum_path = "~/.mpd/mpd.fifo" # "path" + spectrum_format = "44100:16:2" # "format" (samplerate:bits:channels) + spectrum_bars = 8 # beware of exponential complexity + ... +} +.... + +The sample rate should be greater than 40 kHz, the number of bits 8 or 16, +and the number of channels doesn't matter, as they're simply averaged together. + Files ----- *nncmpp* follows the XDG Base Directory Specification. |