Check v4l2 context before call VIDIOC_STREAMON() or VIDIOC_STREAMOFF(). Signed-off-by: Ming Qian <ming.q...@nxp.com> --- 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 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".