tiovxisp: Certain format-msb values will give SIGSEGV

[dchvs99]

Some format-msb values, as format-msb=10, will give a segfault error on ISP pipelines. See the pipeline below:

root@j7-2:~# GST_DEBUG=3 gst-launch-1.0  \
filesrc location=/dev/zero blocksize=362560 ! video/x-bayer,format=grbg16,width=220,height=824 ! \
tiovxisp name=tiovxisp dcc-isp-file=/dev/zero dcc-2a-file=/opt/imaging/imx219/dcc_2a.bin format-msb=10 tiovxisp.src_0 ! \
fakesink  
APP: Init ... !!!
MEM: Init ... !!!
MEM: Initialized DMA HEAP (fd=4) !!!
MEM: Init ... Done !!!
IPC: Init ... !!!
IPC: Init ... Done !!!
REMOTE_SERVICE: Init ... !!!
REMOTE_SERVICE: Init ... Done !!!
    95.714348 s: GTC Frequency = 200 MHz
APP: Init ... Done !!!
    95.714543 s:  VX_ZONE_INIT:Enabled
    95.714611 s:  VX_ZONE_ERROR:Enabled
    95.714692 s:  VX_ZONE_WARNING:Enabled
    95.715263 s:  VX_ZONE_INIT:[tivxInitLocal:111] Initialization Done !!!
    95.715494 s:  VX_ZONE_INIT:[tivxHostInitLocal:86] Initialization Done for HOST !!!
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
0:00:00.072147487  1419      0xbc6a1e0 ERROR               tiovxpad gsttiovxpad.c:288:gst_tiovx_pad_process_allocation_query:<tiovxisp:sink> Cannot process allocation query without an exemplar
    95.729406 s:  VX_ZONE_ERROR:[ownContextSendCmd:815] Command ack message returned failure cmd_status: -1
    95.729429 s:  VX_ZONE_ERROR:[ownContextSendCmd:851] tivxEventWait() failed.
    95.729454 s:  VX_ZONE_ERROR:[ownNodeKernelInit:538] Target kernel, TIVX_CMD_NODE_CREATE failed for node node_107
    95.729474 s:  VX_ZONE_ERROR:[ownNodeKernelInit:539] Please be sure the target callbacks have been registered for this core
    95.729490 s:  VX_ZONE_ERROR:[ownNodeKernelInit:540] If the target callbacks have been registered, please ensure no errors are occurring within the create callback of this kernel
    95.729508 s:  VX_ZONE_ERROR:[ownGraphNodeKernelInit:583] kernel init for node 0, kernel com.ti.hwa.vpac_viss ... failed !!!
    95.729527 s:  VX_ZONE_ERROR:[vxVerifyGraph:2044] Node kernel init failed
    95.729543 s:  VX_ZONE_ERROR:[vxVerifyGraph:2098] Graph verify failed
0:00:00.080231908  1419      0xbc6a1e0 ERROR              tiovxsimo gsttiovxsimo.c:460:gst_tiovx_simo_modules_init:<tiovxisp> Graph verification failed, vx_status -1
    95.729893 s:  VX_ZONE_ERROR:[ownReleaseReferenceInt:307] Invalid reference
0:00:00.080438756  1419      0xbc6a1e0 ERROR               tiovxisp gsttiovxisp.c:1363:gst_tiovx_isp_deinit_module:<tiovxisp> Module graph delete failed with error: -12
Caught SIGSEGV
#0  0x0000ffffb5a7233c in poll () from /lib/libc.so.6
#1  0x0000ffffb5c0f7e0 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x0000ffffb5c0fc38 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x0000ffffb5d50634 in gst_bus_poll () from /usr/lib/libgstreamer-1.0.so.0
#4  0x0000000000404988 in _start ()
Spinning.  Please run 'gdb gst-launch-1.0 1419' to continue debugging, Ctrl-C to quit, or Ctrl-\ to dump core.