[FFmpeg-devel] [PATCH 2/4] lavc: add standalone cached bitstream reader

[Andreas Rheinhardt]

Anton Khirnov:
> +/**
> + * Return n bits from the buffer, n has to be in the 0-32  range.
> + */
> +static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned int n)
> +{
> +    if (!n)
> +        return 0;
> +
> +    if (n > bc->bits_left) {
> +        refill_32(bc);
> +        if (bc->bits_left < 32)
> +            bc->bits_left = n;

This branch should be under #if !UNCHECKED_BITSTREAM_READER.

> +    }
> +
> +    return get_val(bc, n);
> +}
> +