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208 | def main() -> None:
"""Entry point registered in pyproject.toml as ``musicalgestures``."""
click = _require_click()
@click.group(
context_settings={"help_option_names": ["-h", "--help"]},
invoke_without_command=True,
)
@click.version_option(package_name="musicalgestures", prog_name="musicalgestures")
@click.pass_context
def cli(ctx):
"""Musical Gestures Toolbox – command-line interface.
Analyse and visualise video and audio files from the command line.
Run 'musicalgestures COMMAND --help' for details on each command.
"""
if ctx.invoked_subcommand is None:
click.echo(ctx.get_help())
# ------------------------------------------------------------------
# info
# ------------------------------------------------------------------
@cli.command("info")
@click.argument("filename", type=click.Path(exists=True))
def cmd_info(filename):
"""Print metadata about a video or audio file."""
try:
from musicalgestures._utils import get_length, get_fps, get_widthheight, has_audio
length = get_length(filename)
fps = get_fps(filename)
width, height = get_widthheight(filename)
audio = has_audio(filename)
click.echo(f"File: {filename}")
click.echo(f"Size: {width} × {height} px")
click.echo(f"FPS: {fps:.2f}")
click.echo(f"Length: {length:.3f} s")
click.echo(f"Audio: {'yes' if audio else 'no'}")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
# ------------------------------------------------------------------
# motion
# ------------------------------------------------------------------
@cli.command("motion")
@click.argument("filename", type=click.Path(exists=True))
@click.option("--filtertype", default="Regular",
type=click.Choice(["Regular", "Binary", "Blob"], case_sensitive=False),
help="Filter type for motion detection.")
@click.option("--threshold", default=0.05, type=float, show_default=True,
help="Pixel-value threshold (0–1).")
@click.option("--blur", default="None",
type=click.Choice(["None", "Average"], case_sensitive=False),
help="Blur type.")
@click.option("--color/--no-color", default=True, show_default=True,
help="Process in colour (default) or grayscale.")
@click.option("--overwrite", is_flag=True, help="Overwrite existing output files.")
def cmd_motion(filename, filtertype, threshold, blur, color, overwrite):
"""Render a motion video for FILENAME."""
try:
import musicalgestures as mg
v = mg.MgVideo(filename, color=color)
out = v.motion(filtertype=filtertype, threshold=threshold, blur=blur,
save_video=True, save_plot=False, save_data=False,
overwrite=overwrite)
click.echo(f"Motion video saved: {out.filename}")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
# ------------------------------------------------------------------
# videograms
# ------------------------------------------------------------------
@cli.command("videograms")
@click.argument("filename", type=click.Path(exists=True))
@click.option("--overwrite", is_flag=True, help="Overwrite existing output files.")
def cmd_videograms(filename, overwrite):
"""Render horizontal and vertical videograms for FILENAME."""
try:
import musicalgestures as mg
v = mg.MgVideo(filename)
out = v.videograms(overwrite=overwrite)
click.echo(f"Videograms saved: {[o.filename for o in out]}")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
# ------------------------------------------------------------------
# average
# ------------------------------------------------------------------
@cli.command("average")
@click.argument("filename", type=click.Path(exists=True))
@click.option("--overwrite", is_flag=True, help="Overwrite existing output files.")
def cmd_average(filename, overwrite):
"""Render a pixel-average (blend) image for FILENAME."""
try:
import musicalgestures as mg
v = mg.MgVideo(filename)
out = v.average(overwrite=overwrite)
click.echo(f"Average image saved: {out.filename}")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
# ------------------------------------------------------------------
# history
# ------------------------------------------------------------------
@cli.command("history")
@click.argument("filename", type=click.Path(exists=True))
@click.option("--overwrite", is_flag=True, help="Overwrite existing output files.")
def cmd_history(filename, overwrite):
"""Render a motion history image for FILENAME."""
try:
import musicalgestures as mg
v = mg.MgVideo(filename)
out = v.history(overwrite=overwrite)
click.echo(f"History image saved: {out.filename}")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
# ------------------------------------------------------------------
# convert
# ------------------------------------------------------------------
@cli.command("convert")
@click.argument("filename", type=click.Path(exists=True))
@click.option("--to", "target_format", default="mp4", show_default=True,
help="Target container format (e.g. mp4, avi, mov).")
@click.option("--overwrite", is_flag=True, help="Overwrite existing output files.")
def cmd_convert(filename, target_format, overwrite):
"""Convert FILENAME to another container format."""
try:
import os
from musicalgestures._utils import convert
of = os.path.splitext(filename)[0]
out = convert(filename, f"{of}.{target_format.lstrip('.')}", overwrite=overwrite)
click.echo(f"Converted: {out}")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
# ------------------------------------------------------------------
# motiongrams
# ------------------------------------------------------------------
@cli.command("motiongrams")
@click.argument("filename", type=click.Path(exists=True))
@click.option("--filtertype", default="Regular",
type=click.Choice(["Regular", "Binary", "Blob"], case_sensitive=False))
@click.option("--threshold", default=0.05, type=float, show_default=True)
@click.option("--overwrite", is_flag=True)
def cmd_motiongrams(filename, filtertype, threshold, overwrite):
"""Render horizontal and vertical motiongrams for FILENAME."""
try:
import musicalgestures as mg
v = mg.MgVideo(filename)
out = v.motiongrams(filtertype=filtertype, threshold=threshold, overwrite=overwrite)
click.echo(f"Motiongrams saved.")
except Exception as exc:
click.echo(f"Error: {exc}", err=True)
sys.exit(1)
cli()
|