view bin/musicPad @ 1799:0bb7b9df12e5

collector warnings and errors. the reactor.crash isn't working. Ignore-this: b7d4a6c08f04c924ffba6112483f9c19
author drewp@bigasterisk.com
date Fri, 08 Jun 2018 03:35:30 +0000
parents d8202a0a7fd5
children 7772cc48e016
line wrap: on
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#!bin/python
"""
rewrite all the songs with silence at the start and end
"""
import sys, wave, logging, os
sys.path.append(".")
from light9 import showconfig
from light9.namespaces import L9
from light9.ascoltami.playlist import Playlist
logging.basicConfig(level=logging.INFO)
log = logging.getLogger()

introPad = 4
postPad = 9 # 5 + autostop + 4

playlist = Playlist.fromShow(showconfig.getGraph(), showconfig.showUri())
for p in playlist.allSongPaths():
    log.info("read %s", p)
    inputWave = wave.open(p, 'r')

    outputDir = os.path.join(os.path.dirname(p), "pad")
    try:
        os.makedirs(outputDir)
    except OSError:
        pass # exists
    outputPath = os.path.join(outputDir, os.path.basename(p))
    outputWave = wave.open(outputPath, 'w')
    outputWave.setparams(inputWave.getparams())

    bytesPerSecond = (inputWave.getnchannels() * inputWave.getsampwidth() *
                      inputWave.getframerate())
    
    outputWave.writeframesraw("\x00" * (bytesPerSecond * introPad))
    outputWave.writeframesraw(inputWave.readframes(inputWave.getnframes()))
    outputWave.writeframesraw("\x00" * (bytesPerSecond * postPad))
    outputWave.close()
    log.info("wrote %s", outputPath)