nils/shairport-sync
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add code to check divisions and mods for a potrntial divide by zero problem. MAy cause SPS to terminate but leave a log message.

Browse Source
This commit is contained in:
Mike Brady
2021-11-21 21:47:32 +00:00
parent 881a5ca25e
commit 14bfba2724
10 changed files with 208 additions and 131 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common.c
+18 -8
View File
@@ -1187,6 +1187,8 @@ double vol2attn(double vol, long max_db, long min_db) {
int i;
for (i = 0; i < order; i++) {
if (vol <= lines[i][0]) {
if ((-30 - lines[i][0]) == 0.0)
die("(-30 - lines[%d][0]) == 0.0!", i);
double tvol = lines[i][1] * (vol - lines[i][0]) / (-30 - lines[i][0]);
// debug(1,"On line %d, end point of %f, input vol %f yields output vol
// %f.",i,lines[i][1],vol,tvol);
@@ -1246,8 +1248,10 @@ uint64_t get_absolute_time_in_fp() {
// Do the maths. We hope that the multiplication doesn't
// overflow; the price you pay for working in fixed point.
// this gives us nanoseconds
uint64_t time_now_ns = time_now_mach * sTimebaseInfo.numer / sTimebaseInfo.denom;
if (sTimebaseInfo.denom == 0)
die("could not initialise Mac timebase info in get_absolute_time_in_fp().")
// this gives us nanoseconds
uint64_t time_now_ns = time_now_mach * sTimebaseInfo.numer / sTimebaseInfo.denom;
// take the units and shift them to the upper half of the fp, and take the nanoseconds, shift them
// to the upper half and then divide the result to 1000000000
@@ -1291,11 +1295,14 @@ uint64_t get_monotonic_time_in_ns() {
(void)mach_timebase_info(&sTimebaseInfo);
}
// Do the maths. We hope that the multiplication doesn't
// overflow; the price you pay for working in fixed point.
if (sTimebaseInfo.denom == 0)
die("could not initialise Mac timebase info in get_monotonic_time_in_ns().")
// this gives us nanoseconds
time_now_ns = time_now_mach * sTimebaseInfo.numer / sTimebaseInfo.denom;
// Do the maths. We hope that the multiplication doesn't
// overflow; the price you pay for working in fixed point.
// this gives us nanoseconds
time_now_ns = time_now_mach * sTimebaseInfo.numer / sTimebaseInfo.denom;
#endif
return time_now_ns;
@@ -1336,8 +1343,11 @@ uint64_t get_absolute_time_in_ns() {
// Do the maths. We hope that the multiplication doesn't
// overflow; the price you pay for working in fixed point.
// this gives us nanoseconds
time_now_ns = time_now_mach * sTimebaseInfo.numer / sTimebaseInfo.denom;
if (sTimebaseInfo.denom == 0)
die("could not initialise Mac timebase info in get_absolute_time_in_ns().")
// this gives us nanoseconds
time_now_ns = time_now_mach * sTimebaseInfo.numer / sTimebaseInfo.denom;
#endif
return time_now_ns;