Adjust top-left corner and verify that the sub-rectangle is valid.

Adjust top-left corner and verify that the sub-rectangle is valid.

------------------------------------------------------------------------------ Allocate internal buffers dec->pixels_ and dec->argb_cache_.

------------------------------------------------------------------------------ Allocate internal buffers dec->pixels_ and dec->argb_cache_.

Return 1 on success, 0 on error.

Create a new block, either from the free list or allocated

Create a new block, either from the free list or allocated

Cost of coding 'nb' 1's and 'total-nb' 0's using 'proba' probability.

Cost of coding 'nb' 1's and 'total-nb' 0's using 'proba' probability.

Returns true if alpha[] has non-0xff values.

Returns 0 in case of overflow of nmemb * size.

Returns next chunk in the chunk list with the given tag.

Fill the chunk with the given data (includes chunk header bytes), after some verifications.

Returns entropy for the given cache bits.

Treats 'v' as an uint8x8_t and zero extends to an int16x8_t.

These constants are 14b fixed-point version of ITU-R BT.601 constants. R = (19077 * y + 26149 * v - 14234) >> 6 G = (19077 * y - 6419 * u

These constants are 14b fixed-point version of ITU-R BT.601 constants. R = (19077 * y + 26149 * v - 14234) >> 6 G = (19077 * y - 6419 * u

Copy width * height pixels from 'src' to 'dst'.

Delete all images in 'wpi_list'.

Convert to range: [-2,2] for dither=50, [-4,4] for dither=100

Convert to range: [-2,2] for dither=50, [-4,4] for dither=100

Applies filter on 2 pixels (p0 and q0)

input and output are int8_t

This function always returns an initialized 'bw' object, even upon error.

This function always returns an initialized 'bw' object, even upon error.

Generates a candidate encoded frame given a picture and metadata.