void *log_ctx)
{
char *tail;
- int64_t chlayout, count;
+ int64_t chlayout;
- if (nret) {
- count = strtol(arg, &tail, 10);
- if (*tail == 'c' && !tail[1] && count > 0 && count < 63) {
- *nret = count;
- *ret = 0;
- return 0;
- }
- }
chlayout = av_get_channel_layout(arg);
if (chlayout == 0) {
chlayout = strtol(arg, &tail, 10);
- if (*tail || chlayout == 0) {
+ if (!(*tail == '\0' || *tail == 'c' && *(tail + 1) == '\0') || chlayout <= 0 || chlayout > 63) {
av_log(log_ctx, AV_LOG_ERROR, "Invalid channel layout '%s'\n", arg);
return AVERROR(EINVAL);
}
+ if (nret) {
+ *nret = chlayout;
+ *ret = 0;
+ return 0;
+ }
}
*ret = chlayout;
if (nret)