Check v4l2 context before call VIDIOC_STREAMON() or
VIDIOC_STREAMOFF().
Signed-off-by: Ming Qian <[email protected]>
---
libavcodec/v4l2_context.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/v4l2_context.c b/libavcodec/v4l2_context.c
index b7b584dfbef6..8910ae08d3a5 100644
--- a/libavcodec/v4l2_context.c
+++ b/libavcodec/v4l2_context.c
@@ -562,6 +562,9 @@ int ff_v4l2_context_set_status(V4L2Context* ctx, uint32_t
cmd)
int type = ctx->type;
int ret;
+ if (ctx->streamon == (cmd == VIDIOC_STREAMON))
+ return 0;
+
ret = ioctl(ctx_to_m2mctx(ctx)->fd, cmd, &type);
if (ret < 0)
return AVERROR(errno);
--
2.33.0
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