This is about 6 times faster than md5sum on linux

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Also extend documentation accordingly.

In particular, mention the fact that the amortized element addition cost
is constant.

This makes linking succeed for tools that include config.h but
don't link to libavutil.

Signed-off-by: Martin Storsjö <martin@martin.st>

This makes the code also more robust, not having a hard-coded
table that can become (and was) incomplete.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

97c -> 49c
Some codecs could benefit from more unrolling, but AAC doesn't.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes calling a random pointer

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Explicitly saying it can't hurt.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This prevents non-AltiVec-enabled compilers from choking.

Reviewed-by: Hanspeter Niederstrasser <niederstrasser@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The function is documented in mem.h.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes printing the prefix after an empty string was printed

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Prevent 0xFE and 0xFF from being considered the start of
non-standard 7-bytes sequences. No noticeable effect on speed.

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1005317
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Solution based on rational.c, which uses isinf() too

This should fix compilation with msvc

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Should fix pgc warning

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

adds are simpler instructions and should be faster or equally fast
on all cpus

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

97c -> 49c
Some codecs could benefit from more unrolling, but AAC doesn't.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This ensures that applications that call avutil_version() often
would not run the checls every time

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Found-by: durandal_1707
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avpriv_request_sample() and avpriv_report_missing_feature() were printing bogus values for the extra arguments.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>