Xu Guangxin e5be4c5a88 avcodec/hevcdec: constrained intra predict, do not check top left IS_INTRA if it's not available ...

fix ticket: 8932

For poc 2, we have tile boundary at x = 640.
When we predict cu(640,912),the top left pixel is not avaliable to the cu.
So, we can not check it's intra or not. We need set top[-1] = top[0] directly.
see 8.4.4.2.1 for details

Signed-off-by: Xu Guangxin <oddstone@gmail.com>
Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>

2020-10-28 11:29:09 +08:00

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