def waveform(data):
req = AudioServerRequest.decode(data)
req.validate(WaveformSettings)
w = WavFile(req.filePath, req.headerSpec)
fp = StringIO(w.header + w.data)
# translate colour setting
settings = copy.deepcopy(req.settings)
try:
colour = settings["colour"]
except KeyError:
pass
else:
settings.update(WaveformSettings.translateColours(colour))
del settings["colour"]
waveformGenerator = WaveformGenerator(**settings)
waveform = waveformGenerator(fp)
return send_file(StringIO(waveform), mimetype="image/png")
def ogg(data):
req = AudioServerRequest.decode(data)
req.validate(OggSettings)
encoder = OggEncoder()
ogg = encoder(req.filePath, req.headerSpec, **req.settings)
return send_file(StringIO(ogg), mimetype="audio/ogg")
def mp3(data):
req = AudioServerRequest.decode(data)
req.validate(MP3Settings)
encoder = MP3Encoder()
mp3 = encoder(req.filePath, req.headerSpec, **req.settings)
return send_file(StringIO(mp3), mimetype="audio/mpeg3")