YuboLong

> 目前也遇到个问题，播放flv媒体流时hasAudio设置为false可以播放，但是设置为true或者不设置时就不显示画面，应该如何在createPlayer之前判断是否有声音？ 判断FLV文件头（也是整个文件的）的第5个字节，如果是0X05 (0000 0101)表示有音频有视频，如果0x04表示只有音频,0X01表示只有视频。具体的定义如下：  完整的FLV文件格式可以去https://www.adobe.com/content/dam/acom/en/devnet/flv/video_file_format_spec_v10.pdf 这里看

in this example(https://colab.research.google.com/drive/1_MEFfBdOI06GAuANrs1b8L-BBLn3x-ZJ?usp=sharing#scrollTo=PtAwqb0QQUUn ) , "Defining the loss function" section : ``` z = torch.randn_like(x) # get normally distributed noise perturbed_x = x + z * std[:, None, None, None]...

I'm using dbnet . I have the same problem, especially when the a text line is almost the same compare to the image width

> Hi! @Mountchicken, ths for you reply. I also trained DBNet++ on my private chinese dataset. It performs well on long text line. But I notice the textbox is somehow...

请检查GOP的大小