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[FFmpeg-devel,5/5] avfilter/af_drmeter: Check that there is data

Message ID 20210606134757.18919-5-michael@niedermayer.cc
State Accepted
Commit 4f49fa6abe89e2fca2585cac4c63190315972cf0
Headers show
Series [FFmpeg-devel,1/5] avfilter/vf_ciescope: Handle black as very dark neutral gray | expand

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Commit Message

Michael Niedermayer June 6, 2021, 1:47 p.m. UTC 
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>
---
 libavfilter/af_drmeter.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Michael Niedermayer July 19, 2021, 9:13 p.m. UTC | #1 
On Sun, Jun 06, 2021 at 03:47:57PM +0200, Michael Niedermayer wrote:
> 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>
> ---
>  libavfilter/af_drmeter.c | 5 +++++
>  1 file changed, 5 insertions(+)

will apply

[...]
diff mbox series

Patch

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++) {