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fix: check strides and plane sizes of custom I420 buffers - #454
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…ing them A Java I420Buffer whose stride is below its width or whose planes are too small made the native copy read past them. Reject such buffers, and sizes WebRTC cannot allocate, with a RuntimeException.
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A Java
I420Buffer(e.g. from aVideoProcessoror a Java decoder) whose stride is below its width or whose planes are too small made the native copy read past them. Such buffers, and sizes WebRTC cannot allocate, are now rejected with aRuntimeException.