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avfilter/vf_drawtext: only test available exceptions 

soft float systems do not define these macros under musl.

Fixes: Ticket7102

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev 2020-04-06 17:38:59 -07:00 committed by Carl Eugen Hoyos
parent df4e008995
commit 8beb9e571c
1 changed files with 2 additions and 0 deletions
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2
libavfilter/vf_drawtext.c
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@ -1085,10 +1085,12 @@ static int func_eval_expr_int_format(AVFilterContext *ctx, AVBPrint *bp,
feclearexcept(FE_ALL_EXCEPT);
intval = res;
#if defined(FE_INVALID) && defined(FE_OVERFLOW) && defined(FE_UNDERFLOW)
if ((ret = fetestexcept(FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW))) {
av_log(ctx, AV_LOG_ERROR, "Conversion of floating-point result to int failed. Control register: 0x%08x. Conversion result: %d\n", ret, intval);
return AVERROR(EINVAL);
}
#endif
if (argc == 3)
av_strlcatf(fmt_str, sizeof(fmt_str), "0%u", positions);