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feat: tweak whisper to use local whisper.cpp instance #224

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feat: tweak whisper to use local whisper.cpp instance #224

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14 changes: 7 additions & 7 deletions lua/gp/whisper.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -63,10 +63,12 @@ local whisper = function(callback, language)
sox = {
cmd = "sox",
opts = {
"-c",
"1",
"--buffer",
"32",
"-c",
"2", -- Two channels (stereo)
"-b 16",
"-r 16000",
"-d",
"rec.wav",
"trim",
Expand Down Expand Up @@ -187,12 +189,12 @@ local whisper = function(callback, language)
-- normalize volume to -3dB
.. "sox --norm=-3 rec.wav norm.wav && "
-- get RMS level dB * silence threshold
.. "t=$(sox 'norm.wav' -n channels 1 stats 2>&1 | grep 'RMS lev dB' "
.. "t=$(sox 'norm.wav' -n channels 2 stats 2>&1 | grep 'RMS lev dB' "
.. " | sed -e 's/.* //' | awk '{print $1*"
.. W.config.silence
.. "}') && "
-- remove silence, speed up, pad and convert to mp3
.. "sox -q norm.wav -C 196.5 final.mp3 silence -l 1 0.05 $t'dB' -1 1.0 $t'dB'"
.. "sox -q norm.wav -C 196.5 final.wav silence -l 1 0.05 $t'dB' -1 1.0 $t'dB'"
.. " pad 0.1 0.1 tempo "
.. W.config.tempo
.. " && "
Expand All @@ -203,9 +205,7 @@ local whisper = function(callback, language)
.. ' -s -H "Authorization: Bearer '
.. bearer
.. '" -H "Content-Type: multipart/form-data" '
.. '-F model="whisper-1" -F language="'
.. language
.. '" -F file="@final.mp3" '
.. '-F file="@final.wav" '
.. '-F response_format="json"'

tasker.run(nil, "bash", { "-c", cmd }, function(code, signal, stdout, _)
Expand Down