def get_duration(self, input_file):
rval = 0
logger_name = '{0}.get_duration'.format(__name__)
logger = logging.getLogger(logger_name)
exe = self.config_dict['recoder']['ffprobe_exe']
out_dir = self.config_dict['recoder']['output_dir']
executer = Executer()
log_msg = "Getting info for: {0}".format(input_file)
logger.debug(log_msg)
com = ("{0} -i {1} -show_entries format=duration -v quiet"
" -of csv='p=0'").format(exe, input_file)
log_msg = "command: {0}".format(com)
logger.debug(log_msg)
try:
rval, stdout, stderr = executer.exec_com(com)
except Exception:
log_msg = "Exception occurred attempting to ger duration of {0}"
log_msg = log_msg.format(input_file)
logging.exception(log_msg)
rval = 1
if rval == 0:
log_msg = "Duration={0}".format(stdout)
logger.debug(log_msg)
rval = float(stdout)
else:
rval = 0
return rval
def flv_to_mp3(self, file_list, increments, remove_recoded_files):
rval = True
logger_name = '{0}.flv_to_mp3'.format(__name__)
logger = logging.getLogger(logger_name)
file_name_regex = '(.*)\.flv$'
file_name_pattern = re.compile(r'{0}'.format(file_name_regex))
exe = self.config_dict['recoder']['ffmpeg_exe']
out_dir = self.config_dict['recoder']['output_dir']
executer = Executer()
coded_file_count = 0
failed_count = 0
for flv_file in file_list:
try:
size = os.path.getsize(flv_file)
if size > 0:
flv_file_name = os.path.basename(flv_file)
file_name_match = file_name_pattern.match(flv_file_name)
if file_name_match:
if file_name_match.group(1):
mp3_file_name_prefix = file_name_match.group(1)
else:
log_msg = ("Skipping file because failed to parse"
" the input file name: {0}".format(flv_file_name))
logger.error(log_msg)
continue
duration = self.get_duration(flv_file)
minutes = int(duration / 60)
if minutes <= 0:
minutes = 1
for position in range(0, minutes):
mp3_file_name = '{0}-{1}.mp3'.format(mp3_file_name_prefix,
str(position).zfill(3))
log_msg = "Creating: {0}".format(mp3_file_name)
logger.debug(log_msg)
mp3_path = os.path.join(out_dir, mp3_file_name)
com = "{0} -y -ss {3} -t {4} -i {1} {2}".format(exe,
flv_file,
mp3_path,
(position * 60),
increments)
log_msg = "command: {0}".format(com)
logger.debug(log_msg)
try:
com_result = executer.exec_com(com)
if com_result:
coded_file_count += 1
else:
failed_count += 1
except Exception:
log_msg = "Exception occurred attempting to recode {0}"
log_msg = log_msg.format(flv_file)
logging.exception(log_msg)
failed_count += 1
if remove_recoded_files:
if failed_count:
log_msg = ("not removing the flv file: {0}"
.format(flv_file))
logger.info(log_msg)
else:
log_msg = ("removing the recoded file: {0}"
.format(flv_file))
logger.info(log_msg)
os.remove(flv_file)
else:
log_msg = "File {0} has no content so ignoring it for now".format(flv_file)
logger.debug(log_msg)
except Exception:
log_msg = "Exception occurred attempting to get size of {0}"
log_msg = log_msg.format(flv_file)
logging.exception(log_msg)
rval = False
if failed_count:
log_msg = ("{0} files coded successfully / "
"{1} failures"
.format(coded_file_count, failed_count))
logger.warn(log_msg)
rval = False
else:
log_msg = ("All {0} files recoded successfully"
.format(coded_file_count))
logger.info(log_msg)
return rval