发现在rv1106上，反复调用cv::VideoCapture cap后，摄像头占用内存不会释放

[flamebox]

在程序中反复
cv::VideoCapture cap和cap.release()后，内存CmaAllocated会不断增加，最终出现RK_DMA_HEAP_ALLOC_BUFFER failed。

[zlzong]

1、日志
devpath = /dev/video11 driver = rkisp_v7 card = rkisp_mainpath bus_info = platform:rkisp-vir0 version = 20500 capabilities = 84201000 device_caps = 4201000 fmt = UYVY 4:2:2 59565955 fmt = Y/CbCr 4:2:2 3631564e fmt = Y/CrCb 4:2:2 3136564e fmt = Y/CrCb 4:2:0 3132564e size = 32 x 32 ~ 2304 x 1296 (+8 +8) fmt = Y/CbCr 4:2:0 3231564e fmt = Y/CrCb 4:2:0 (N-C) 31324d4e fmt = Y/CbCr 4:2:0 (N-C) 32314d4e XCORE:K:rk_aiq_uapi_sysctl_preInit_scene: main_scene: normal, sub_scene: day IPCSERVER:K:cid[0] Process path:/tmp/UNIX.domain0, sockfd:29 XCORE:K:cid[0] rk_aiq_uapi_sysctl_init success. iq:/oem/usr/share/iqfiles/sc3336_CMK-OT2119-PC1_30IRC-F16.json XCORE:K:cid[0] rk_aiq_uapi_sysctl_prepare success. mode:0 /dev/video11 does not support changing fps RK_DMA_HEAP_ALLOC_BUFFER failed dma_buf_alloc 6220800 failed MessageParser process loop exit! IPCSERVER:K:cid[0] Deinit success XCORE:K:cid[0] rk_aiq_uapi_sysctl_deinit_locked success.
2、系统版本
Linux luckfox 5.10.160 #2 Thu Nov 28 14:03:14 CST 2024 armv7l GNU/Linux
你解决了没