vdr_to_ffmpeg_for_colab.py

data = """
0:04:36.10 start
0:06:37.00 end
""".strip()
filename = "target.m2ts"

# vdr_to_ffmpeg_for_colab.py
# © 2021 ci7lus MIT License

current_seconds = 0
cmds = []
results = []
total = 0

for idx, start_set in enumerate(data.split("end\n")):
    start, end = [i.replace("end", "").strip()
                  for i in start_set.split("start\n")]
    print(start, end)
    start_hour, start_minute, start_second = [
        float(i) for i in start.split(":")]
    start_seconds = start_hour * 60 * 60 + start_minute * 60 + start_second
    print("start_sec", start_seconds)
    length = start_seconds - current_seconds + 0.5
    total += length
    result = f"output_{idx}.ts"
    cmds.append(
        f"ffmpeg -ss {current_seconds} -i {filename} -t {length} -c copy {result}")
    results.append(result)
    end_hour, end_minute, end_second = [float(i) for i in end.split(":")]
    end_seconds = end_hour * 60 * 60 + end_minute * 60 + end_second
    print("end_seconds", end_seconds)
    current_seconds = end_seconds - 0.5

print("Total seconds", total)
for cmd in cmds:
    print("!" + cmd)
print(f'!ffmpeg -i "concat:{"|".join(results)}" -c copy output.m2ts')