我用你们提供的tl5147的例子,采用PAL制式的摄像头,有时是正常通过的能采图的,但经常会出现以下错误,请问是什么原因引起的? 7 u r4 I; f: \! F+ T8 E[ 67.362524] tvp514x 1-005d: tvp5146 (Version - 0x07) found at 0xba (DaVinci I2C adapter)Found standard is support NTSC ...not detect. d% p- v' b: m' t7 T! G2 Y" EFound standard is support NTSC-M ...not detect. 5 M X2 F% b2 cFound standard is support NTSC-M-JP ...not detect. 4 X# v& O& w( z9 dFound standard is support NTSC-M-KR ...not detect. 0 j& t' t0 O3 V; C/ F6 ^Found standard is support PAL ...not detect. * N: i( t0 L# e! v2 y' ~$ }Found standard is support PAL-BG ...not detect.% }8 j+ t. E& h3 f8 D
Found standard is support PAL-H ...not detect.$ a# n3 ?* p# o' }) [" H
Found standard is support PAL-I ...not detect.0 n: H% {5 O0 W: n! `7 r5 Q3 g
Found standard is support PAL-DK ...not detect. 4 R- t W6 Z CVIDIOC_ENUM_STD failed ) n1 P! `! g! X$ K6 k8 [/ `: Invalid argument 3 z8 A! u" y4 D1 n