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# $Id$
# PLAYFILE -> RECFILE:
# input file is played and is recorded to output, then compare them.
# null-audio
# port 1: wav file input xxxxxx.clock_rate.wav, e.g: test1.8.wav
# port 2: wav file ouput xxxxxx.clock_rate.wav, e.g: res1.8.wav
# wav input more than 3 seconds
import time
import imp
import sys
import re
import subprocess
import inc_const as const
# Load configuration
cfg_file = imp.load_source("cfg_file", sys.argv[2])
# WAV similarity calculator
COMPARE_WAV_EXE = "tools/cmp_wav.exe"
# UserData
class mod_media_playrec_user_data:
input_filename = ""
output_filename = ""
# Test body function
def test_func(t, ud):
endpt = t.process[0]
# Get input file name
endpt.sync_stdout()
endpt.send("dc")
line = endpt.expect(const.MEDIA_PLAY_FILE)
ud.input_filename = re.compile(const.MEDIA_PLAY_FILE).match(line).group(1)
endpt.trace("Input file = " + ud.input_filename)
# Get output file name
endpt.sync_stdout()
endpt.send("dc")
line = endpt.expect(const.MEDIA_REC_FILE)
ud.output_filename = re.compile(const.MEDIA_REC_FILE).match(line).group(1)
endpt.trace("Output file = " + ud.output_filename)
# Find appropriate clock rate for the input file
clock_rate = re.compile(".+(\.\d+\.wav)$").match(ud.output_filename).group(1)
if (clock_rate==None):
endpt.trace("Cannot compare input & output, incorrect output filename format")
return
ud.input_filename = re.sub("\.\d+\.wav$", clock_rate, ud.input_filename)
endpt.trace("WAV file to be compared with output = " + ud.input_filename)
# Connect input-output file
endpt.sync_stdout()
endpt.send("cc 1 2")
endpt.expect(const.MEDIA_CONN_PORT_SUCCESS)
# Wait
time.sleep(3)
endpt.sync_stdout()
# Disconnect input-output file
endpt.send("cd 1 2")
endpt.expect(const.MEDIA_DISCONN_PORT_SUCCESS)
# Post body function
def post_func(t, ud):
endpt = t.process[0]
# Check WAV similarity
fullcmd = COMPARE_WAV_EXE + " " + ud.input_filename + " " + ud.output_filename + " " + "3000"
endpt.trace("Popen " + fullcmd)
cmp_proc = subprocess.Popen(fullcmd, stdout=subprocess.PIPE, universal_newlines=True)
line = cmp_proc.stdout.readline()
endpt.trace("WAV similarity = " + line)
# Here where it all comes together
test = cfg_file.test_param
test.test_func = test_func
test.post_func = post_func
test.user_data = mod_media_playrec_user_data()
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