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videobench_functions.py
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videobench_functions.py
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import os
from subprocess import call
import subprocess
import json
import operator
from PySide2 import QtGui, QtWidgets, QtCore ############# If you are not using the GUI , you can remove this block of import
from PySide2.QtCore import QPoint, Qt
from PySide2.QtGui import QPainter
from PySide2.QtWidgets import QMainWindow, QApplication
from PySide2.QtCharts import QtCharts
container_tmp_path ="/home/shared-vmaf/"
tmp_path = "/tmp/videobench/"
docker_cmd = "docker container run --rm -v {}:{} docker-videobench".format(tmp_path, container_tmp_path)
class videoFileInfos(object):
def __init__(self,
filename = None,
name = None,
path = None,
r_frame_rate = None,
avg_frame_rate = None,
resolution = None,
vmaf = None,
vmaf_avg = None,
vmaf_model = "auto",
psnr = None,
psnr_avg = None,
ffpsnr = None,
ffpsnr_avg = None,
bitrate_avg = None,
pkt_size = None,
codec_name = None,
interlaced = None,
sync = 0,
groupe = 0,
ref_file = None,
ref_deint = "null",
scale_filter = "neighbor",
n_subsample = 1,
frame_size = None):
self.filename = filename
self.name = name
self.path = path
self.resolution = resolution
self.r_frame_rate = r_frame_rate
self.avg_frame_rate = avg_frame_rate
self.vmaf = vmaf
self.vmaf_avg = vmaf_avg
self.vmaf_model = vmaf_model
self.psnr = psnr
self.psnr_avg = psnr_avg
self.ffpsnr = ffpsnr
self.bitrate_avg = bitrate_avg
self.pkt_size = pkt_size
self.codec_name = codec_name
self.frame_size = frame_size
self.ref_file = ref_file
self.ref_deint = ref_deint
self.scale_filter = scale_filter
self.n_subsample = n_subsample
self.interlaced = interlaced
self.sync = sync
self.groupe = groupe
def get_mbps(self):
bitrate_mbps =[]
try :
start_frames = len(self.frame_size) - len(self.psnr)
except :
start_frames = 0
if start_frames < 0 :
start_frames = 0
frame_size_cut = self.frame_size[start_frames:]
chunks = [frame_size_cut[x:x+int(self.avg_frame_rate)] for x in range(0, len(frame_size_cut), int(self.avg_frame_rate))]
for x in range(0, len(chunks)):
bitrate_mbps.append(sum(chunks[x])*self.avg_frame_rate/len(chunks[x]))
return bitrate_mbps
def get_mbps_frames(self):
bitrate_mbps_frames =[]
try :
start_frames = len(self.frame_size) - len(self.psnr)
except:
start_frames = 0
if start_frames < 0 :
start_frames = 0
for x in range(start_frames, len(self.frame_size)):
bitrate_mbps_frames.append(self.frame_size[x]/(1/self.avg_frame_rate))
return bitrate_mbps_frames
def get_vmafs(self):
vmafs =[]
chunks = [self.vmaf[x:x+int(self.r_frame_rate)] for x in range(0, len(self.vmaf), int(self.r_frame_rate))]
for x in range(0, len(chunks)):
vmafs.append(sum(chunks[x])/len(chunks[x]))
return vmafs
def get_psnrs(self):
psnrs =[]
chunks = [self.psnr[x:x+int(self.r_frame_rate)] for x in range(0, len(self.psnr), int(self.r_frame_rate))]
for x in range(0, len(chunks)):
psnrs.append(sum(chunks[x])/len(chunks[x]))
return psnrs
def get_lineSeries_vmaf(self):
lineSeries = QtCharts.QLineSeries()
for i in range (0,len(self.vmaf)):
lineSeries.append(QPoint(i, self.vmaf[i]))
lineSeries.setName(self.filename)
return lineSeries
def get_lineSeries_psnr(self):
lineSeries = QtCharts.QLineSeries()
for i in range (0,len(self.psnr)):
lineSeries.append(QPoint(i, self.psnr[i]))
lineSeries.setName(self.filename)
return lineSeries
def get_lineSeries_bitrate_frame(self):
lineSeries = QtCharts.QLineSeries()
mbps_frames = self.get_mbps_frames()
for i in range (0,len(self.get_mbps_frames())):
lineSeries.append(QPoint(i, mbps_frames[i]))
lineSeries.setName(self.filename)
return lineSeries
def get_lineSeries_vmaf_s(self):
lineSeries_vmaf = QtCharts.QLineSeries()
vmafs = self.get_vmafs()
for i in range (0,len(self.get_vmafs())):
lineSeries_vmaf.append(QPoint(i, vmafs[i]))
lineSeries_vmaf.setName(self.filename)
return lineSeries_vmaf
def get_lineSeries_psnr_s(self):
lineSeries_psnr = QtCharts.QLineSeries()
psnrs = self.get_psnrs()
for i in range (0,len(self.get_psnrs())):
lineSeries_psnr.append(QPoint(i, psnrs[i]))
lineSeries_psnr.setName(self.filename)
return lineSeries_psnr
def get_lineSeries_bitrate_s(self):
lineSeries_bitrate = QtCharts.QLineSeries()
mbps = self.get_mbps()
for i in range (0,len(self.get_mbps())):
lineSeries_bitrate.append(QPoint(i, mbps[i]))
lineSeries_bitrate.setName(self.filename)
return lineSeries_bitrate
def set_reference_deint_old(ref_obj, input_obj):
if ref_obj.interlaced == 1 and input_obj.interlaced == 0 and round(int(ref_obj.r_frame_rate)) == round(int(input_obj.r_frame_rate)*2) :
input_obj.ref_deint = "yadif=0:-1:0"
elif ref_obj.interlaced == 1 and input_obj.interlaced == 0 and round(int(ref_obj.r_frame_rate)*2) == round(int(input_obj.r_frame_rate)) :
input_obj.ref_deint = "yadif=1:-1:0"
elif ref_obj.interlaced == 1 and input_obj.interlaced == 1:
input_obj.ref_deint = "null"
elif ref_obj.interlaced == 0 :
input_obj.ref_deint = "null"
def set_reference_deint(ref_obj, input_obj):
if ref_obj.interlaced == 1 and input_obj.interlaced == 0 :
if round(int(ref_obj.avg_frame_rate)) == round(int(input_obj.avg_frame_rate)) :
input_obj.ref_deint = "yadif=0:-1:0"
elif round(int(ref_obj.avg_frame_rate)*2) == round(int(input_obj.avg_frame_rate)) :
input_obj.ref_deint = "yadif=1:-1:0"
else :
print("Unable to find the deinterlace filter for the ref file, please select one in settings", flush=True)
exit()
elif ref_obj.interlaced == 1 and input_obj.interlaced == 1:
input_obj.ref_deint = "null"
elif ref_obj.interlaced == 0 :
input_obj.ref_deint = "null"
else :
print("Unable to find the deinterlace filter for the ref file, please select one in settings", flush=True)
exit()
def set_subsampling(ref_obj, input_obj):
if ref_obj.interlaced == 0 and round(int(ref_obj.avg_frame_rate)) != round(int(input_obj.avg_frame_rate)) :
input_obj.n_subsample = round(round(int(ref_obj.avg_frame_rate))/round(int(input_obj.avg_frame_rate)))
else:
input_obj.n_subsample = 1
def set_vmaf_model(ref_obj, input_obj):
if input_obj.vmaf_model == "auto":
if ref_obj.resolution[0] > 1920: ############################################### VMAF Model
input_obj.vmaf_model = '/usr/local/share/model/vmaf_4k_v0.6.1.pkl'
else:
input_obj.vmaf_model = '/usr/local/share/model/vmaf_v0.6.1.pkl'
elif input_obj.vmaf_model == "vmaf_v0.6.1.pkl":
input_obj.vmaf_model = '/usr/local/share/model/vmaf_v0.6.1.pkl'
elif input_obj.vmaf_model == "vmaf_4k_v0.6.1.pkl":
input_obj.vmaf_model = '/usr/local/share/model/vmaf_4k_v0.6.1.pkl'
elif input_obj.vmaf_model == "vmaf_v0.6.1.pkl:phone_model":
input_obj.vmaf_model = '/usr/local/share/model/vmaf_v0.6.1.pkl:phone_model=1'
def set_scaling_filter(ref_obj, input_obj):
if input_obj.vmaf_model == "/usr/local/share/model/vmaf_v0.6.1.pkl" or input_obj.vmaf_model == "/usr/local/share/model/vmaf_v0.6.1.pkl:phone_model=1":
if ref_obj.resolution[0] == 1920 and ref_obj.resolution[1] == 1080 :
ref_obj.scale_filter = "null"
else:
ref_obj.scale_filter = 'scale=1920:1080:flags={}'.format(input_obj.scale_filter)
if input_obj.resolution[0] == 1920 and input_obj.resolution[1] == 1080:
input_obj.scale_filter = "null"
else:
input_obj.scale_filter = 'scale=1920:1080:flags={}'.format(input_obj.scale_filter)
if input_obj.vmaf_model == "/usr/local/share/model/vmaf_4k_v0.6.1.pkl":
if ref_obj.resolution[0] == 3840 and ref_obj.resolution[1] == 2160 :
ref_obj.scale_filter = "null"
else:
ref_obj.scale_filter = 'scale=3840:2160:flags={}'.format(input_obj.scale_filter)
if input_obj.resolution[0] == 3840 and input_obj.resolution[1] == 2160:
input_obj.scale_filter = "null"
else:
input_obj.scale_filter = 'scale=3840:2160:flags={}'.format(input_obj.scale_filter)
def get_video_streams_info(input_file, loglevel):
cmd = "{0} ffprobe -loglevel {3} -print_format json -show_streams -select_streams v -i {1}{2}".format(docker_cmd , container_tmp_path, input_file, loglevel)
if loglevel == "info":
print(cmd, flush=True)
result = subprocess.check_output(cmd, shell=True)
return json.loads(result)
def find_sync_values (ref_obj, input_obj, sync, sw):
print("-> Search sync values for : {0}".format(input_obj.filename),flush=True)
print("",flush=True)
psnr_value = []
sync_value = []
sync_step = round( 1/ ref_obj.r_frame_rate, 5)
sync_frame_position = round(sync/sync_step)
sync = sync_frame_position*sync_step
sw = round(sw/sync_step)
print (" sync_step : " + str(sync_step).strip("\n"),flush=True)
for i in range(0, int(sw)+1):
if sync >= 0:
sync_str = "+{0}".format(str(sync))
else:
sync_str = str(sync)
sync_value.append(sync)
psnr = get_sync_psnr(ref_obj, input_obj, sync_str, ref_obj.resolution)
psnr_value.append(psnr)
print(" Input PTS : " + sync_str + " => 3s PSNR = {}".format(str(psnr)),flush=True)
sync = round(sync+sync_step, 5)
index, value = max(enumerate(psnr_value), key=operator.itemgetter(1))
print(" Best Sync : "+str(sync_value[index]),flush=True)
print(" 3s PSNR : "+str(psnr_value[index]),flush=True)
print("",flush=True)
return sync_value[index]
def get_sync_psnr (ref_obj, input_obj, sync_str, ref_resolution):
cmd = ("{0} ffmpeg -y -i {1}{2} -i {1}{3} -ss {4} -t 3 -lavfi '[0]{5}[ref];[1]setpts=PTS{4}/TB[b];[b]scale={6}:{7}[c];[ref][c]psnr=stats_file=psnr_Test.log' -f null -".format(docker_cmd, container_tmp_path, input_obj.filename, ref_obj.filename, sync_str, input_obj.ref_deint, ref_resolution[0], ref_resolution[1]))
psnr_raw = (subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)).decode('utf-8')
psnr_list = psnr_raw.split(" ")
average = [s for s in psnr_list if "average" in s]
average_name,average_value = average[0].split(":")
return float(average_value)
def call_frames_info(args):
make_frames_info(*args)
def make_frames_info(input_obj, loglevel):
cmd = ('''{0} ffprobe -i {1}{2} -loglevel {5} -show_frames -print_format json -select_streams v > {3}frames_{4}.json'''.format(docker_cmd, container_tmp_path, input_obj.filename, tmp_path, input_obj.name, loglevel))
if loglevel == "info":
print(cmd, flush=True)
subprocess.call(cmd, shell=True)
def call_packets_info(args):
make_packets_info(*args)
def make_packets_info(input_obj, loglevel):
cmd = ('''{0} ffprobe -i {1}{2} -loglevel {5} -show_packets -print_format json -select_streams v > {3}packets_{4}.json'''.format(docker_cmd, container_tmp_path, input_obj.filename, tmp_path, input_obj.name, loglevel))
if loglevel == "info":
print(cmd, flush=True)
subprocess.call(cmd, shell=True)
def call_quality_info(args):
make_quality_info(*args)
def make_quality_info(ref_obj, input_obj, loglevel):
sync_time = float(input_obj.sync) ############################################# sync time
sync_time = round(sync_time, 2)
if sync_time >= 0 :
sync_time_str = "+{0}".format(str(sync_time))
else:
sync_time_str = str(sync_time)
print("",flush=True)
print("-> {0} ".format(input_obj.filename),flush=True)
print(" Reference deint_filter : {1}".format(ref_obj.filename, input_obj.ref_deint),flush=True)
print(" VMAF Model : {0}".format(input_obj.vmaf_model),flush=True)
print(" Scale filter : {0}".format(input_obj.scale_filter),flush=True)
print(" Quality Subsampling : {1}".format(input_obj.filename, input_obj.n_subsample),flush=True)
print(" Calculate VMAF & PSNR (libvmaf)",flush=True)
print("",flush=True)
cmd = (''' {0} ffmpeg -y -loglevel {14} -stats -i {1}{2} -i {1}{3} -lavfi "[0]{10}[refdeint];[refdeint]{12}[ref];[1]setpts=PTS{4}/TB[b];[b]{13}[c];[ref][c]libvmaf='log_fmt=json:psnr=1:model_path={7}:n_subsample={8}:log_path={1}quality_{9}.json'" -f null - ''').format(docker_cmd, container_tmp_path, input_obj.filename, ref_obj.filename, sync_time_str, ref_obj.resolution[0], ref_obj.resolution[1], input_obj.vmaf_model, input_obj.n_subsample, input_obj.name, input_obj.ref_deint, input_obj.scale_filter, ref_obj.scale_filter, input_obj.scale_filter, loglevel)
if loglevel == "info":
print(cmd, flush=True)
subprocess.call(cmd, stdout=subprocess.PIPE, shell=True)