ANNOTATE
Add metadata to a request
The syntax is annotate:key="val",key2="val2",...:uri.
FFMPEG
Decode any file to wave using ffmpeg
The syntax is ffmpeg:uri.
FILE
File protocol. Only local files are supported
The syntax is file:///path/to/file. This protocol is static.
GTTS
Generate speech synthesis using Google translate’s text-to-speech API. This requires the gtts-cli binary. Result may be mono.
The syntax is gtts:Text to read. This protocol is static.
MPD
Finds all files with a tag equal to a given value using mpd.
The syntax is mpd:tag=value.
POLLY
Generate speech synthesis using AWS polly service. Result might be mono, needs aws binary in the path.
The syntax is polly:Text to read. This protocol is static.
PROCESS
Resolve a request using an arbitrary process. <cmd> is interpolated with: [("input",<input>),("output",<output>),("colon",":")]. uri is an optional child request, <output> is the name of a fresh temporary file and has extension .<extname>. <input> is an optional input file name as returned while resolving uri.
The syntax is process:<extname>,<cmd>[:uri].
REPLAYGAIN
Compute ReplayGain value using the extract-replaygain script. Adds returned value as "replaygain_track_gain" metadata
The syntax is replaygain:uri.
S3
Fetch files from s3 using the AWS CLI
The syntax is s3://uri.
SAY
Generate speech synthesis using text2wave. Result is always stereo.
The syntax is say:Text to read. This protocol is static.
STEREO
Convert a file to stereo (currently decodes to wav).
The syntax is stereo:<uri>. This protocol is static.
SYNTH
Syntesize audio. Parameters are optional.
The syntax is synth:shape=sine,frequency=440.,duration=10.. This protocol is static.
TEXT2WAVE
Generate speech synthesis using text2wave. Result may be mono.
The syntax is text2wave:Text to read. This protocol is static.
TMP
Mark the given uri as temporary. Useful when chaining protocols
The syntax is tmp:uri.
YOUTUBE-DL
Resolve a request using youtube-dl.
The syntax is youtube-dl:uri.
YOUTUBE-PL
Resolve a request as a youtube playlist using youtube-dl.
The syntax is youtube-pl:uri.