def mixed_tiles_quality(no_of_tiles,
seg_length,
seg_id,
VIDEO,
low=[],
medium=[],
high=[]):
# Check path and files existed or not
filemanager.make_sure_path_exists(tmp_path)
filemanager.make_sure_path_exists(output_path)
filemanager.clean_exsited_files(tmp_path, output_path, seg_id)
# Create a list to store all the videos
video_list = []
video_list.append("dash_set1_init.mp4")
print >> sys.stderr, 'dash_set1_init.mp4'
# Sort the tracks into tiled videos list
for i in range(1, no_of_tiles + 2, 1):
if i == 1:
# track1 is needed
debug_msg = "video_tiled_" + "low_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "low_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
elif i in low:
debug_msg = "video_tiled_" + "low_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "low_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
elif i in medium:
debug_msg = "video_tiled_" + "medium_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "medium_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
elif i in high:
debug_msg = "video_tiled_" + "high_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "high_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
else:
debug_msg = "video_tiled_" + "low_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "low_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
# download the videos from encoding server
req_ts = time.time()
start_recv_ts = download_tiled_video_from_server(VIDEO, no_of_tiles,
seg_length, video_list)
end_recv_ts = time.time()
# Concatenate init track and each tiled tracks
for i in range(0, len(video_list), 1):
subprocess.call('cat %s >> temp_%s.mp4' %
((tmp_path + video_list[i]), seg_id),
shell=True)
# Extract the raw hevc bitstream
subprocess.call('MP4Box -raw 1 temp_%s.mp4' % seg_id, shell=True)
# Repackage and generate new ERP video
subprocess.call(
'MP4Box -add temp_%s_track1.hvc:fps=%s -inter 0 -new output_%s.mp4' %
(seg_id, FPS, seg_id),
shell=True)
# Move all the files into folders
subprocess.call('mv temp_%s.mp4 %s' % (seg_id, tmp_path), shell=True)
subprocess.call('mv temp_%s_track1.hvc %s' % (seg_id, tmp_path),
shell=True)
subprocess.call('mv output_%s.mp4 %s' % (seg_id, output_path), shell=True)
return (req_ts, start_recv_ts, end_recv_ts)
def only_fov_tiles(no_of_tiles,
seg_length,
seg_id,
VIDEO,
low=[],
medium=[],
high=[]):
# Check path and files existed or not
filemanager.make_sure_path_exists(tmp_path)
filemanager.make_sure_path_exists(output_path)
filemanager.clean_exsited_files(tmp_path, output_path, seg_id)
video_list = []
video_list.append("dash_set1_init.mp4")
print >> sys.stderr, 'dash_set1_init.mp4'
# Sort the tracks into tiled videos list
for i in range(1, no_of_tiles + 2, 1):
if i == 1:
# track1 is needed
debug_msg = "video_tiled_" + "low_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "low_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
elif i in low:
debug_msg = "video_tiled_" + "low_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "low_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
elif i in medium:
debug_msg = "video_tiled_" + "medium_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "medium_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
elif i in high:
debug_msg = "video_tiled_" + "high_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "high_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
else:
debug_msg = "video_tiled_" + "low_" + "dash_" + "track" + str(
i) + "_" + str(seg_id) + ".m4s"
#print >> sys.stderr, debug_msg
video_list.append("video_tiled_" + "low_" + "dash_" + "track" +
str(i) + "_" + str(seg_id) + ".m4s")
# download the videos from encoding server
req_ts = time.time()
start_recv_ts = download_tiled_video_from_server(VIDEO, no_of_tiles,
seg_length, video_list)
end_recv_ts = time.time()
# Concatenate init track and each tiled tracks
for i in range(0, len(video_list), 1):
subprocess.call('cat %s >> temp_%s.mp4' %
((tmp_path + video_list[i]), seg_id),
shell=True)
# Parse the viewed tile list to create remove list
remove_track = []
if low:
for i in range(3, no_of_tiles + 2, 1):
if i not in low:
remove_track.append("-rem %s" % i)
elif medium:
for i in range(3, no_of_tiles + 2, 1):
if i not in medium:
remove_track.append("-rem %s" % i)
elif high:
for i in range(3, no_of_tiles + 2, 1):
if i not in high:
remove_track.append("-rem %s" % i)
else:
print >> sys.stderr, "It should not be here."
# convert reomve list to string
cmd = ""
for i in range(0, len(remove_track), 1):
cmd = cmd + str(remove_track[i]) + " "
# Remove unwatched tiles
subprocess.call('MP4Box %s temp_%s.mp4 -out lost_temp_%s.mp4' %
(cmd, seg_id, seg_id),
shell=True)
# Extract the raw hevc bitstream
subprocess.call('MP4Box -raw 1 lost_temp_%s.mp4' % seg_id, shell=True)
# Repackage and generate new ERP video
subprocess.call(
'MP4Box -add lost_temp_%s_track1.hvc:fps=%s -inter 0 -new output_%s.mp4'
% (seg_id, FPS, seg_id),
shell=True)
# Move all the files into folders
subprocess.call('mv temp_%s.mp4 %s' % (seg_id, tmp_path), shell=True)
subprocess.call('mv lost_temp_%s.mp4 %s' % (seg_id, tmp_path), shell=True)
subprocess.call('mv lost_temp_%s_track1.hvc %s' % (seg_id, tmp_path),
shell=True)
subprocess.call('mv output_%s.mp4 %s' % (seg_id, output_path), shell=True)
return (req_ts, start_recv_ts, end_recv_ts)