example of lightweight ffmpeg wrapper in python

ffmpeg_example.py

pipeline = ffmpeg.Pipeline()
silence, = pipeline.input(Filter("aevalsrc", 0, 1, filter_options=[  # using anullsrc corrupts the audio
    "0", "channel_layout=stereo", "sample_rate=44100"
]))
color, = pipeline.input(Filter("color", 0, 1, filter_options=[
    "color=0x009999",
    "duration=" + str(duration),
    "rate=" + str(config.framerate),
    "size=1920x1080",
]))
disclaimer_v, = pipeline.filter_pipeline(filters=[
    Scale(width=config.resolution_width, height=config.resolution_height),
    Drawtext(textfile_path=config.disclaimer_textfile, fontfile_path=config.fontfile),
], in_labels=[color])
disclaimer_a, = pipeline.filter(ATrim(duration=duration), in_labels=[silence])
pipeline.map(disclaimer_v, disclaimer_a)
result = pipeline.run(
    filepath,
    output_args=["-t", str(duration)] + ffmpeg.get_output_args(config),
    timeout=timedelta(seconds=20).total_seconds()
)
if result.returncode != 0:
    raise RuntimeError("Failed to render disclaimer. ffmpeg output: {}".format(result.stderr))