def batch_encoder_test(enc_path, usage_type, bit_rate_list, common_fps, multi_layer_flag=False):
current_path = os.getcwd()
os.chdir(enc_path)
for f in glob.glob(enc_path + os.sep + '*.log'):
os.remove(f)
for f in glob.glob(enc_path + os.sep + '*.264'):
os.remove(f)
fout = open('Results.csv', 'w')
fout.write('bs_name, rc_mode, frame_skip, target_br, average_br, average_br_ratio, max_qp, psnr_y, '
'max_burst_ratio, avg_burst_ratio, max_exceed_times, max_exceed_times_ratio, max_br_burst_ratio, period_exceed_ratio, skip_ratio, skip_successive\n')
if usage_type == 0:
seq_path = CAMERA_SEQ_PATH
elif usage_type == 1:
seq_path = SCREEN_SEQ_PATH
for frame_skip_iter in frame_skip_list:
for rc_mode_iter in RC_MODE_LIST:
for f in glob.glob(seq_path + os.sep + '*.yuv'):
width, height, framerate = __init__.get_resolution_from_name(f)
max_item = 0
cur_bit_rate_list = []
for item in bit_rate_list:
if cur_bit_rate_list == [] or ( (width*height/256) >= item and item > max_item ):
cur_bit_rate_list = bit_rate_list[item]
max_item = item
for bit_rate_item in cur_bit_rate_list:
if multi_layer_flag is False:
target_br = int(bit_rate_item*framerate/common_fps)
max_br = int(target_br * float(MAX_BR_RATIO))
# process each file
bs_name, log_name = CodecUtil.openh264_encoder_rc(f, usage_type,
width, height, framerate,
target_br, max_br, rc_mode_iter, frame_skip_iter)
#encoded
current_log = cCurrentLog()
current_log.read_logs(log_name)
max_exceed_times, max_exceed_times_ratio, max_br_burst_ratio, max_burst_ratio, avg_burst_ratio, period_exceed_ratio = current_log.check_one_setting(target_br, max_br)
skip_ratio, skip_successive = current_log.get_skip_status()
skip_list = current_log.get_skip_list()
if frame_skip_iter == 0 and skip_list!=[]:
sys.stdout.write("Error! Frameskip(%d) not allowed but there is skipped: %s\n"
%(frame_skip_iter, str(skip_list)))
return
elif skip_list != [] and skip_list[0] == 0:
sys.stdout.write("Incorrect Skip Idx = 0!\n")
return
average_bit_rate = current_log.get_single_layer_average_bit_rate()
if average_bit_rate <= 0:
continue
rec_yuv = generate_yuv(bs_name, width, height, skip_list)
frame_num, bitrate, psnr_y, psnr_u, psnr_v = CodecUtil.PSNRStaticd(width, height, f, rec_yuv,
'Results_PSNR', bs_name, framerate)
fout.write('%s, %d, %d, %d, %d, %f, %d, %f, %f, %f, %d, %f, %d, %f, %f, %d\n'
%(bs_name, rc_mode_iter, frame_skip_iter, target_br,
average_bit_rate, average_bit_rate*100/(target_br*1000), current_log.get_max_qp(),
psnr_y, max_burst_ratio, avg_burst_ratio, max_exceed_times, max_exceed_times_ratio, max_br_burst_ratio, period_exceed_ratio, skip_ratio, skip_successive))
os.remove(rec_yuv)
else:
target_br = [ int(item*framerate/common_fps) for item in bit_rate_item ]
max_br = [ int(item * float(MAX_BR_RATIO)) for item in target_br ]
bs_name, log_name = CodecUtil.openh264_multilayer_encoder(f, usage_type,
width, height, framerate,
target_br, max_br, rc_mode_iter, frame_skip_iter)
#encoded
current_log = cCurrentLog()
current_log.read_logs(log_name)
average_bit_rate = current_log.get_average_bit_rate()
for did in range(4):
if average_bit_rate[did] <= 0:
continue
max_exceed_times, max_exceed_times_ratio, max_br_burst_ratio, max_burst_ratio, average_burst_ratio, period_exceed_flag \
= current_log.check_one_setting_multi_layer(did, target_br[did], max_br[did])
skip_ratio, skip_successive = current_log.get_skip_status()
fout.write('%s_layer%d, %s, %d, %d, %d, %f, %f, %f, %f, %d, %f, %f, %f, %d\n'
%(bs_name, did, rc_mode_iter, frame_skip_iter, target_br[did],
average_bit_rate[did], average_bit_rate[did]*100/(target_br[did]*1000),
0, max_burst_ratio, average_burst_ratio, max_exceed_times, max_exceed_times_ratio, period_exceed_flag, skip_ratio, skip_successive))
fout.close()
os.chdir(current_path)
