asgardius/alsa-utils
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-utils synced 2024-11-08 14:48:25 +01:00
Code Issues Projects Releases Packages Wiki Activity

aplay: Don't pass most negative integer to abs() in peak calculations

Browse source 
The return value from abs() for the most negative integer is
undefined.  Cap it properly for the 32bit sample handling.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-08-24 09:58:29 +02:00
parent 5c4bf63a94
commit d9b3133815
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
aplay/aplay.c
View file

@ -1874,6 +1874,9 @@ static void compute_max_peak(u_char *data, size_t samples)
else
val = be32toh(*valp);
val ^= mask;
if (val == 0x80000000U)
val = 0x7fffffff;
else
val = abs(val);
if (max_peak[c] < val)
max_peak[c] = val;