On Mon, Jul 18, 2016 at 07:50:36PM +0200, Luca Barbato wrote:
> --- a/libavcodec/bitstream.h
> +++ b/libavcodec/bitstream.h
> @@ -71,6 +71,15 @@ static inline void refill_32(BitstreamContext *bc)
>
> +/* Make sure that the cache contains at least n bits */
> +static inline void bitstream_prefetch(BitstreamContext *bc, unsigned n)
> +{
> + refill_32(bc);
> +
> + if (bc->bits_left < n)
> + refill_32(bc);
> +}
The first unconditional refill looks wrong.
Diego
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