tubearchivist/tubearchivist/home/src/index/video_streams.py

55 lines
1.5 KiB
Python

"""extract metadata from video streams"""
import subprocess
class DurationConverter:
"""
using ffmpeg to get and parse duration from filepath
"""
@staticmethod
def get_sec(file_path):
"""read duration from file"""
duration = subprocess.run(
[
"ffprobe",
"-v",
"error",
"-show_entries",
"format=duration",
"-of",
"default=noprint_wrappers=1:nokey=1",
file_path,
],
capture_output=True,
check=True,
)
duration_raw = duration.stdout.decode().strip()
if duration_raw == "N/A":
return 0
duration_sec = int(float(duration_raw))
return duration_sec
@staticmethod
def get_str(duration_sec):
"""takes duration in sec and returns clean string"""
if not duration_sec:
# failed to extract
return "NA"
hours = duration_sec // 3600
minutes = (duration_sec - (hours * 3600)) // 60
secs = duration_sec - (hours * 3600) - (minutes * 60)
duration_str = str()
if hours:
duration_str = str(hours).zfill(2) + ":"
if minutes:
duration_str = duration_str + str(minutes).zfill(2) + ":"
else:
duration_str = duration_str + "00:"
duration_str = duration_str + str(secs).zfill(2)
return duration_str