def scaling_bmps():
'''
this function process bmps
'''
down_scale_list = [2, 4, 8]
frame_type_list = ['camera', 'screen']
src_bmp_path = config.BMP_PATH
for frame_type in frame_type_list:
src_sequence_path = src_bmp_path + frame_type + os.sep
for src_sequence in glob.glob(src_sequence_path + '*'):
for src_bmp in glob.glob(src_sequence + os.sep + '*.bmp'):
print('processing %s' %src_bmp)
for down_scale in down_scale_list:
win, hin, frame_rate = tools_common.get_resolution_from_file_name(src_bmp)
wout = win / down_scale
hout = hin / down_scale
tools_downsampler.scalerSX80(src_bmp, wout, hout, frame_type)
def scaling_bmps():
'''
this function process all bmps saved in specific path
'''
down_scale_list = [2, 4, 8]
src_bmps_path = config.BMP_PATH
for src_sequence in glob.glob(src_bmps_path + 'camera_2015' + os.sep +
'*'):
for src_bmp in glob.glob(src_sequence + os.sep + '*.bmp'):
print('processing %s' % src_bmp)
for down_scale in down_scale_list:
win, hin, frame_rate = tools_common.get_resolution_from_file_name(
src_bmp)
wout = (int)(win / down_scale)
hout = (int)(hin / down_scale)
tools_downsampler.scalerSX80(src_bmp, wout, hout)
def scaling_one_bmp(in_bmp, wout, hout, frame_type='camera'):
'''
this function use to scale one .bmp file using scalerSX80
usage:
scaler_one_bmp(infile.bmp, wout, hout, frame_type)
parameters:
infile.bmp the input file name(.bmp format)
wout the width of output file
hout the height of output file
frame_type optional parameter,
help to save output files by type of frame content,
default equals 'camera'
return:
no parameters returned, but save two scaled files in specific path
- out_old.bmp(will be renamed and saved in specific path)
- out_new.bmp(will be renamed and saved in specific path)
'''
resolution_out = '%dx%d' % (wout, hout)
file_name_prefix = os.path.basename(in_bmp)[0:-9]
file_name_suffix = os.path.basename(in_bmp)[-9:]
out_path = config.OUT_DATA_PATH + 'results' + os.sep + 'bmp' + os.sep + frame_type + os.sep \
+ file_name_prefix + os.sep
if os.path.isdir(out_path):
pass
else:
os.makedirs(out_path)
out_file_old = out_path + file_name_prefix + '_to_' + resolution_out + '_old' + file_name_suffix
out_file_new = out_path + file_name_prefix + '_to_' + resolution_out + '_new' + file_name_suffix
tools_downsampler.scalerSX80(in_bmp, wout, hout, frame_type)
os.rename('out_old.bmp', out_file_old)
os.rename('out_new.bmp', out_file_new)
def scaling_one_bmp(in_bmp, wout, hout, frame_type='camera'):
'''
this function use to scale one .bmp file using scalerSX80
usage:
scaler_one_bmp(infile.bmp, wout, hout, frame_type)
parameters:
infile.bmp the input file name(.bmp format)
wout the width of output file
hout the height of output file
frame_type optional parameter,
help to save output files by type of frame content,
default equals 'camera'
return:
no parameters returned, but save two scaled files in specific path
'''
resolution_out = '%dx%d' %(wout, hout)
file_name_prefix = os.path.basename(in_bmp)[0:-9]
file_name_suffix = os.path.basename(in_bmp)[-9:]
out_path = config.OUT_DATA_PATH + 'results' + os.sep + 'bmp' + os.sep + frame_type + os.sep \
+ file_name_prefix + os.sep
if os.path.isdir(out_path):
pass
else:
os.makedirs(out_path)
out_file_old = out_path + file_name_prefix + '_to_' + resolution_out + '_old' + file_name_suffix
out_file_new = out_path + file_name_prefix + '_to_' + resolution_out + '_new' + file_name_suffix
tools_downsampler.scalerSX80(in_bmp, wout, hout, frame_type)
os.rename('out_old.bmp', out_file_old)
os.rename('out_new.bmp', out_file_new)
