Anton Khirnov: > Just noticed > static int16_t basis[64][64]; > in mpegvideo_enc.c, which will be accessed in a racy way if > quantizer_noise_shaping is enabled. This applies to all mpegvideo > encoders as far as I can tell. > The reason I didn't spot this is that this part of the code is not accessible from any init function. And I am not certain that the code as-is is even correct: basis depends upon the idct_permutation in use and so one might need different bases for different callers, i.e. one would need to make this part of the context.
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