destroy only the content of vSelection_Pair

path and fileNameExt can be specified

* Open directory stream DIRNAME for read and return a pointer to the * internal working area that is used to retrieve individual directory * entries

* Read next directory entry. * * Returns zero on success. If end of directory stream is reached, then sets * result to NULL and returns zero. */

* Rewind directory stream such that _wreaddir() returns the very first * file name again. */

Alphabetical sorting */

Convert multi-byte string to wide character string */

* Scan directory for entries. */

build a table that decodes both magnitude and value of small ACs in one go.

decode image to YCbCr format

@OPTIMIZE: store non-zigzagged during the decode passes, and only de-zigzag when dequantizing

after we see SOS