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Get broadcasting of already formatted files working

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Brandon Skari
2016-01-19 03:05:45 +07:00
parent 1aef5f7c5d
commit 4634b2ffd2
3 changed files with 106 additions and 67 deletions
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19
src/python/rpitx.py
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@@ -6,6 +6,7 @@ import _rpitx
import array
import logging
import os
import wave
def broadcast_fm(file_, frequency):
@@ -32,13 +33,23 @@ def broadcast_fm(file_, frequency):
):
logger.debug('Reencoding file')
reencoded = StringIO.StringIO()
original.export(reencoded, format='wav', bitrate='44k')
return reencoded
return AudioSegment.from_file(reencoded)
return original
encoded_file = _reencode(file_)
raw_audio_data = _reencode(file_)
wav_data = StringIO.StringIO()
wav_writer = wave.open(wav_data, 'w')
wav_writer.setnchannels(1)
wav_writer.setsampwidth(2)
wav_writer.setframerate(48000)
wav_writer.writeframes(raw_audio_data.raw_data)
wav_writer.close()
raw_array = array.array('c')
raw_array.fromstring(encoded_file.raw_data)
raw_array.fromstring(wav_data.getvalue())
#with open('sampleaudio.wav', 'rb') as file_:
# raw_array.fromstring(file_.read())
array_address, length = raw_array.buffer_info()
_rpitx.broadcast_fm(array_address, length, frequency)