创龙demo文件夹下的vpif_mmap_loopback_sd.c编译报错

rmdlove

vpif_mmap_loopback_sd.c: In function 'initCapture':
vpif_mmap_loopback_sd.c:181: error: 'GG' undeclared (first use in this function)
% [: R3 _- z7 t3 ^) {vpif_mmap_loopback_sd.c:181: error: (Each undeclared identifier is reported only once
vpif_mmap_loopback_sd.c:181: error: for each function it appears in.)
vpif_mmap_loopback_sd.c:247: error: 'V4L2_STD_BAYER_320' undeclared (first use in this function)
vpif_mmap_loopback_sd.c:252: error: 'V4L2_STD_BAYER_640' undeclared (first use in this function)
& t6 D$ e5 k' }  z! D+ W8 [vpif_mmap_loopback_sd.c:257: error: 'V4L2_STD_BAYER_800' undeclared (first use in this function)
vpif_mmap_loopback_sd.c:262: error: 'V4L2_STD_BAYER_1024' undeclared (first use in this function)
1 C6 s  N9 O" r( {2 o) P/ V% J# |vpif_mmap_loopback_sd.c:267: error: 'V4L2_STD_BAYER_1280' undeclared (first use in this function)
; w" f- ^- A" q. \+ u9 ivpif_mmap_loopback_sd.c:272: error: 'V4L2_STD_BAYER_1600' undeclared (first use in this function)
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+ e7 @) ]; ~0 E请问这些是在哪个头文件定义的。