Function get_ffmpeg_path

scenedetect/platform.py:250–277

Get path to ffmpeg if available on the current system. First looks at PATH, then checks if one is available from the `imageio_ffmpeg` package. Returns None if ffmpeg couldn't be found.

()

def get_ffmpeg_path() -> str | None:
    """Get path to ffmpeg if available on the current system. First looks at PATH, then checks if
    one is available from the `imageio_ffmpeg` package. Returns None if ffmpeg couldn't be found.
    """
    # Try invoking ffmpeg with the current environment.
    try:
        subprocess.call(["ffmpeg", "-v", "quiet"])
        return "ffmpeg"
    except OSError:
        pass  # Failed to invoke ffmpeg with current environment, try another possibility.

    # Try invoking ffmpeg using the one from `imageio_ffmpeg` if available.
    try:
        from imageio_ffmpeg import get_ffmpeg_exe

        subprocess.call([get_ffmpeg_exe(), "-v", "quiet"])
        return get_ffmpeg_exe()
    # Gracefully handle case where imageio_ffmpeg is not available.
    except ModuleNotFoundError:
        pass
    # Handle case where path might be wrong/non-existent.
    except OSError:
        pass
    # get_ffmpeg_exe may throw a RuntimeError if the executable is not available.
    except RuntimeError:
        pass

    return None


def get_ffmpeg_version() -> str | None: