[FFmpeg-devel] [PATCH] [libavutil] Add saturated add/sub operations for int64_t.

[James Almer]

On 4/30/2020 8:20 PM, Carl Eugen Hoyos wrote:
> Am Fr., 1. Mai 2020 um 00:20 Uhr schrieb Dale Curtis <dalecurtis at chromium.org>:
>>
>> Many places are using their own custom code for handling overflow
>> around timestamps or other int64_t values. There are enough of these
>> now that having some common saturated math functions seems sound.
> 
>> This adds implementations that just use the builtin functions for
>> recent gcc, clang when available or implements its own version for
>> older compilers.
> 
> Should be tested in configure and I believe this should be a separate patch.

Not really, the AV_GCC_VERSION_AT_LEAST helper macro exists precisely
for this purpose.

> 
> Carl Eugen
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