#!/usr/bin/python

import glob
import os.path
import sys
import urllib

import ao

for p in glob.glob("build/lib.*"):
    sys.path.insert(0, p)

print sys.path

import mad

def play(u):
    mf = mad.MadFile(u)
    
    if mf.layer() == mad.LAYER_I:
        print "MPEG Layer I"
    elif mf.layer() == mad.LAYER_II:
        print "MPEG Layer II"
    elif mf.layer() == mad.LAYER_III:
        print "MPEG Layer III"
    else:
        print "unexpected layer value"
        
    if mf.mode() == mad.MODE_SINGLE_CHANNEL:
        print "single channel"
    elif mf.mode() == mad.MODE_DUAL_CHANNEL:
        print "dual channel"
    elif mf.mode() == mad.MODE_JOINT_STEREO:
        print "joint (MS/intensity) stereo"
    elif mf.mode() == mad.MODE_STEREO:
        print "normal L/R stereo"
    else:
        print "unexpected mode value"
            
    if mf.emphasis() == mad.EMPHASIS_NONE:
        print "no emphasis"
    elif mf.emphasis() == mad.EMPHASIS_50_15_US:
        print "50/15us emphasis"
    elif mf.emphasis() == mad.EMPHASIS_CCITT_J_17:
        print "CCITT J.17 emphasis"
    else:
        print "unexpected emphasis value"
        
    print "bitrate %lu bps" % mf.bitrate()
    print "samplerate %d Hz" % mf.samplerate()
    sys.stdout.flush()
    #millis = mf.total_time()
    #secs = millis / 1000
    #print "total time %d ms (%dm%2ds)" % (millis, secs / 60, secs % 60)
        
    dev = ao.AudioDevice(0, rate=mf.samplerate())
    while 1:
        buffy = mf.read()
        if buffy is None:
            break
        dev.play(buffy, len(buffy))
        #print "current time: %d ms" % mf.current_time()

if __name__ == "__main__":
    print "pymad version %s" % mad.__version__
    for file in sys.argv[1:]:
        u = urllib.urlopen(file)
        if u:
        #if os.path.exists(file):
            print "playing %s" % file
            play(u)