o Vi@s4ddlZddlmZddlmZGdddeZdS)N)Optional)WatermarkerBasec @sbeZdZdZ  ddejdeejdedejfdd Z  dd ejded eedejfd d Z dS)DummyWatermarkerz A dummy watermarker for testing and demonstration purposes. This watermarker doesn't actually embed or extract real watermarks, but serves as a placeholder implementation for testing the framework. NDwav watermark sample_ratereturncKs |dS)a Simulates applying a watermark by simply rounding the audio signal. Args: wav: Input audio signal as numpy array watermark: Ignored in this implementation sample_rate: Ignored in this implementation **kwargs: Additional ignored parameters Returns: The input audio with minimal modification (rounded to 5 decimal places) )round)selfrrr kwargsrK/home/ubuntu/.local/lib/python3.10/site-packages/perth/dummy_watermarker.pyapply_watermarks z DummyWatermarker.apply_watermarkwatermarked_wavwatermark_lengthcKs*|dur|nd}tjjdd|dtjS)a Simulates extracting a watermark by returning random data. Args: watermarked_wav: Watermarked audio signal as numpy array sample_rate: Ignored in this implementation watermark_length: Length of the dummy watermark to generate **kwargs: Additional ignored parameters Returns: A random binary watermark of specified length or default 32 bits N r)size)nprandomrandintastypefloat32)r rr rrlengthrrr get_watermarkszDummyWatermarker.get_watermark)Nr)rN) __name__ __module__ __qualname____doc__rndarrayrintrrrrrrrs  r)numpyrtypingr watermarkerrrrrrrs