Through experiments the method can hide watermark in MPEG-4 video stream more rationally, the capacity of watermark increases greatly and the authentication precision locates in block level.
实验结果表明，算法更合理地将水印嵌入在MPEG-4视频流中，水印容量得到较大提高，对恶意攻击的认证精度定位在块级别。
The exception that is thrown when authentication fails for an authentication stream.
当验证资料流验证失败时所掷回的例外状况。
The exception that is thrown when authentication fails for an authentication stream.
当验证资料流验证失败时所掷回的例外状况。
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