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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-05 20:28:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-07-20 17:16:13 +0200 |
| commit | 4f49fa6abe89e2fca2585cac4c63190315972cf0 (patch) | |
| tree | c3c28c464a7e1460faddd6449592c190aead4494 /libavfilter | |
| parent | 1f21349d20d9bda8eeeddb23263892be0cea12e3 (diff) | |
avfilter/af_drmeter: Check that there is data
Fixes: floating point division by 0
Fixes: -nan is outside the range of representable values of type 'int'
Fixes: Ticket8307
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/af_drmeter.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavfilter/af_drmeter.c b/libavfilter/af_drmeter.c index 3774259da3..58932fe6c5 100644 --- a/libavfilter/af_drmeter.c +++ b/libavfilter/af_drmeter.c @@ -167,6 +167,11 @@ static void print_stats(AVFilterContext *ctx) float chdr, secondpeak, rmssum = 0; int i, j, first = 0; + if (!p->nb_samples) { + av_log(ctx, AV_LOG_INFO, "No data, dynamic range not meassurable\n"); + return; + } + finish_block(p); for (i = 0; i <= 10000; i++) { |