On 30-03-2019 06:09 PM, Moritz Barsnick wrote:
On Sat, Mar 30, 2019 at 16:50:52 +0530, Gyan wrote:
And what are the semantics of the user setting row_mt or enable-intrabc
as -1?
The user doesn't set -1, they set 0 or 1 as bool. -1 helps to indicate
that nothing was set, and - in these cases - falls back to not setting
anything in the libary interface and choosing its own default.
The commit changed both the default value as well as the allowed range.
The option value parser evaluates AV_OPT_TYPE_BOOL same as
AV_OPT_TYPE_INT, so user inputs aren't reduced to a binary evaluation.
The latter means that the user can assertively set -1, as opposed to it
just being the ctx inited value. The same wasn't done for
enable-intrabc. I was wondering if the user may ever want to set -1
manually, and if so, what that meant.
Gyan
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