From: Hao Peng <peng.hao2@zte.com.cn>
if audio device is opend for a long time in windows vm, there is a uint32_t varaible reversal.
It will result to a dead loop.
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Reviewed-by: Liu Yun <liu.yunh@zte.com.cn>
Reviewed-by: Wang Yechao <wang.yechao255@zte.com.cn>
---
audio/rate_template.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/audio/rate_template.h b/audio/rate_template.h
index bd4b1c7..1aa6c43 100644
--- a/audio/rate_template.h
+++ b/audio/rate_template.h
@@ -71,6 +71,11 @@ void NAME (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
while (rate->ipos <= (rate->opos >> 32)) {
ilast = *ibuf++;
rate->ipos++;
+ /* if ipos reversal, there is a dead loop */
+ if (rate->ipos == 0xffffffff) {
+ rate->ipos = 1;
+ rate->opos = rate->opos & 0xffffffff;
+ }
/* See if we finished the input buffer yet */
if (ibuf >= iend) {
goto the_end;
--
1.8.3.1