diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/dtas-player_protocol.txt | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/Documentation/dtas-player_protocol.txt b/Documentation/dtas-player_protocol.txt index 7fecec1..be1063a 100644 --- a/Documentation/dtas-player_protocol.txt +++ b/Documentation/dtas-player_protocol.txt @@ -111,20 +111,30 @@ Commands here should be alphabetized according to `LC_ALL=C sort' Changing this will affect the $SOXFMT and $ECAFMT environments passed to source and sink commands. Changing this implies a "restart" Changing rate to 48000 is probably useful if you plan on playing to some - laptop sound cards. + laptop sound cards. In all cases where "bypass" is supported, it + removes the guarantee of gapless playback as the audio device(s) + will likely need to be restarted. - + channels=UNSIGNED - (default: 2 (stereo)) - number of channels - to use internally. sox will internally invoke the remix effect - when decoding. + + + channels=(UNSIGNED|bypass) - (default: 2 (stereo)) - number of + channels to use internally. sox will internally invoke the remix + effect when decoding. This supports the value "bypass" (without + quotes) to avoid the automatic remix effect. Using "bypass" mode + removes the guarantee of gapless playback, as the audio device will + likely need to be restarted, introducing an audible gap. + endian=(big|little|swap) - (default: native) - there is probably no point in changing this unless you output over a network sink to a machine of different endianess. - + bits=UNSIGNED - (default: implied from type) - sample precision (decoded) + + bits=(UNSIGNED|bypass) - (default: implied from type) - sample precision + (decoded) This may be pointless and removed in the future, since the sample - precision is implied from type. - + rate=UNSIGNED - (default: 44100) - sample rate of audio + precision is implied from type. This supports the value of "bypass" + to avoid dither/truncation in later stages. + + rate=(UNSIGNED|bypass) - (default: 44100) - sample rate of audio Typical values of rate are 44100, 48000, 88200, 96000. Not all DSP effects are compatible with all sampling rates/channels. + This supports the value of "bypass" as well to avoid introducing + software resamplers into the playback chain. + type=(s16|s24|s32|u16|u24|u32|f32|f64) - (default: s32) change the raw PCM format. s32 currently offers the best performance when only sox/play are used. f32 may offer better performance if |