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CainKernel avatar CainKernel commented on July 24, 2024

区域录屏这个跟相机预览没啥关系，主要录制器里面做调整就好。你在录制时做裁剪渲染，同时MediaCodec设置录制的大小，SharedContext里面调整glViewport就能做到区域录制问题了，你想录多大的都行。简单来说就是把你需要录制的区域，绘制到与MediaCodec的Surface上，原来的纹理大小需要做裁剪处理。并不影响预览的逻辑啊，我这边用了SharedContext就是为了方便后续添加其他处理啊。

from caincamera.

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