On Mon, Oct 14, 2019 at 14:52:44 +0800, hwr...@126.com wrote:
> From: hwren <hwr...@126.com>
> + float framerate;
[...]
> + if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
> + framerate = (float)avctx->framerate.num /
> (float)avctx->framerate.den;
> + }
It should suffice to cast only .den. See av_q2d(). Actually, since it's
only used in _init() anyway, you could use av_q2d() at the cost of
double versus float.
BTW, what value does framerate have if this if-clause isn't met?
Zero-initialized, right?
Cheers,
Moritz
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