1 files changed, 108 insertions, 0 deletions
diff --git a/tests/pjsua/mod_media_playrec.py b/tests/pjsua/mod_media_playrec.py
new file mode 100644
index 0000000..897cb63
--- /dev/null
+++ b/tests/pjsua/mod_media_playrec.py
@@ -0,0 +1,108 @@
+# $Id: mod_media_playrec.py 2884 2009-08-17 08:29:47Z bennylp $
+
+# PLAYFILE -> RECFILE:
+# Input file is played and is recorded to output, then compare them.
+# Useful to tes clock rates compatibility and resample quality
+#	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 must be more than 3 seconds long
+
+import time
+import imp
+import sys
+import re
+import subprocess
+import inc_const as const
+from inc_cfg import *
+
+# Load configuration
+cfg_file = imp.load_source("cfg_file", ARGS[1])
+
+# WAV similarity calculator
+COMPARE_WAV_EXE = ""
+if sys.platform.find("win32")!=-1:
+    COMPARE_WAV_EXE = "tools/cmp_wav.exe"
+    G_INUNIX = False
+else:
+    COMPARE_WAV_EXE = "tools/cmp_wav"
+    G_INUNIX = True
+
+
+# Threshold to declare degradation is too high when result is lower than this value
+COMPARE_THRESHOLD = 2
+
+# COMPARE params
+input_filename	= ""			# Input filename
+output_filename = ""			# Output filename
+
+# Test body function
+def test_func(t):
+	global input_filename
+	global output_filename
+
+	endpt = t.process[0]
+	
+	# Get input file name
+	input_filename = re.compile(const.MEDIA_PLAY_FILE).search(endpt.inst_param.arg).group(1)
+	endpt.trace("Input file = " + input_filename)
+
+	# Get output file name
+	output_filename = re.compile(const.MEDIA_REC_FILE).search(endpt.inst_param.arg).group(1)
+	endpt.trace("Output file = " + output_filename)
+
+	# Find appropriate clock rate for the input file
+	clock_rate = re.compile(".+(\.\d+\.wav)$").match(output_filename).group(1)
+	if (clock_rate==None):
+		endpt.trace("Cannot compare input & output, incorrect output filename format")
+		return
+	input_filename = re.sub("\.\d+\.wav$", clock_rate, input_filename)
+	endpt.trace("WAV file to be compared with output = " + 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):
+	global input_filename
+	global output_filename
+
+	endpt = t.process[0]
+
+	# Check WAV similarity
+	fullcmd = COMPARE_WAV_EXE + " " + input_filename + " " + output_filename + " " + "3000"
+	endpt.trace("Popen " + fullcmd)
+	cmp_proc = subprocess.Popen(fullcmd, shell=G_INUNIX, stdout=subprocess.PIPE, universal_newlines=True)
+
+	# Parse similarity ouput
+	line = cmp_proc.stdout.readline()
+	mo_sim_val = re.match(".+=\s+(\d+)", line)
+	if (mo_sim_val == None):
+		raise TestError("Error comparing WAV files")
+		return
+
+	# Evaluate the similarity value
+	sim_val = mo_sim_val.group(1)
+	if (sim_val >= COMPARE_THRESHOLD):
+		endpt.trace("WAV similarity = " + sim_val)
+	else:
+		raise TestError("WAV degraded heavily, similarity = " + sim_val)
+
+
+# Here where it all comes together
+test = cfg_file.test_param
+test.test_func = test_func
+test.post_func = post_func