Lines Matching refs:ioctl
624 #include <sys/ioctl.h>
652 #include <sys/ioctl.h>
666 // 2. 获取摄像头支持的格式 ioctl(文件描述符, 命令, 与命令对应的结构体)
672 int ret = ioctl(fd, VIDIOC_ENUM_FMT, &v4fmt);
711 #include <sys/ioctl.h>
731 int ret = ioctl(fd, VIDIOC_S_FMT, &vfmt); // 设置格式
738 ret = ioctl(fd, VIDIOC_G_FMT, &vfmt); // 获取格式
749 ret = ioctl(fd, VIDIOC_REQBUFS, &reqbuffer); // 分配内存
765 原因分析：ioctl(fd, VIDIOC_REQBUFS, &reqbuffer); 失败
767 定位方法1：在内核中加LOG定位VIDIOC_REQBUFS失败的地方。发现所有的ioctl命令下发后都会使用drivers/media/v4l2-core/v4l2-ioctl.c中的video_…
915 新报错：ERROR:error: ioctl VIDIOC_QUERYBUF failed.
939 ERROR:error: ioctl VIDIOC_QUERYBUF failed.
944 原因分析：ioctl(fd, VIDIOC_QUERYBUF, &buf)失败。回过头再看"调试linux L4V2 uvc驱动章节->设置格式申请缓冲区队列"中的报错也是
946 ioctl(fd, VIDIOC_REQBUFS, &reqbuffer)。由此分析出Open Harmony OS上的ioctl VIDIOC_REQBUFS都会报错。再看两次失败的差异点：
954 
956 接着再分析ioctl(fd, VIDIOC_QUERYBUF, &buf)失败，查看VIDIOC_QUERYBUF的定义：videodev2.h
962 此处插入ioctl的定义：int ioctl(int fd, int cmd, …); VIDIOC_QUERYBUF作为cmd的入参，是int类型。也就是一个数字命令码，该命令码通过ioctl发送…
981 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYCAP ) = 0x%x\n", VIDIOC_QUERYCAP …
982 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FMT ) = 0x%x\n", VIDIOC_ENUM_FMT …
983 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_FMT ) = 0x%x\n", VIDIOC_G_FMT …
984 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_FMT ) = 0x%x\n", VIDIOC_S_FMT …
985 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_REQBUFS ) = 0x%x\n", VIDIOC_REQBUFS …
986 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYBUF ) = 0x%x\n", VIDIOC_QUERYBUF …
987 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_FBUF ) = 0x%x\n", VIDIOC_G_FBUF …
988 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_FBUF ) = 0x%x\n", VIDIOC_S_FBUF …
989 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_OVERLAY ) = 0x%x\n", VIDIOC_OVERLAY …
990 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QBUF ) = 0x%x\n", VIDIOC_QBUF …
991 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_EXPBUF ) = 0x%x\n", VIDIOC_EXPBUF …
992 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_DQBUF ) = 0x%x\n", VIDIOC_DQBUF …
993 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_STREAMON ) = 0x%x\n", VIDIOC_STREAMON …
994 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_STREAMOFF ) = 0x%x\n", VIDIOC_STREAMOFF …
995 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_PARM ) = 0x%x\n", VIDIOC_G_PARM …
996 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_PARM ) = 0x%x\n", VIDIOC_S_PARM …
997 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_STD ) = 0x%x\n", VIDIOC_G_STD …
998 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_STD ) = 0x%x\n", VIDIOC_S_STD …
999 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMSTD ) = 0x%x\n", VIDIOC_ENUMSTD …
1000 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMINPUT ) = 0x%x\n", VIDIOC_ENUMINPUT …
1001 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_CTRL ) = 0x%x\n", VIDIOC_G_CTRL …
1002 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_CTRL ) = 0x%x\n", VIDIOC_S_CTRL …
1003 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_TUNER ) = 0x%x\n", VIDIOC_G_TUNER …
1004 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_TUNER ) = 0x%x\n", VIDIOC_S_TUNER …
1005 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_AUDIO ) = 0x%x\n", VIDIOC_G_AUDIO …
1006 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_AUDIO ) = 0x%x\n", VIDIOC_S_AUDIO …
1007 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYCTRL ) = 0x%x\n", VIDIOC_QUERYCTRL …
1008 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYMENU ) = 0x%x\n", VIDIOC_QUERYMENU …
1009 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_INPUT ) = 0x%x\n", VIDIOC_G_INPUT …
1010 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_INPUT ) = 0x%x\n", VIDIOC_S_INPUT …
1011 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_EDID ) = 0x%x\n", VIDIOC_G_EDID …
1012 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_EDID ) = 0x%x\n", VIDIOC_S_EDID …
1013 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_OUTPUT ) = 0x%x\n", VIDIOC_G_OUTPUT …
1014 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_OUTPUT ) = 0x%x\n", VIDIOC_S_OUTPUT …
1015 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMOUTPUT ) = 0x%x\n", VIDIOC_ENUMOUTPUT …
1016 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_AUDOUT ) = 0x%x\n", VIDIOC_G_AUDOUT …
1017 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_AUDOUT ) = 0x%x\n", VIDIOC_S_AUDOUT …
1018 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_MODULATOR ) = 0x%x\n", VIDIOC_G_MODULATOR …
1019 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_MODULATOR ) = 0x%x\n", VIDIOC_S_MODULATOR …
1020 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_FREQUENCY ) = 0x%x\n", VIDIOC_G_FREQUENCY …
1021 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_FREQUENCY ) = 0x%x\n", VIDIOC_S_FREQUENCY …
1022 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_CROPCAP ) = 0x%x\n", VIDIOC_CROPCAP …
1023 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_CROP ) = 0x%x\n", VIDIOC_G_CROP …
1024 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_CROP ) = 0x%x\n", VIDIOC_S_CROP …
1025 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_JPEGCOMP ) = 0x%x\n", VIDIOC_G_JPEGCOMP …
1026 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_JPEGCOMP ) = 0x%x\n", VIDIOC_S_JPEGCOMP …
1027 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYSTD ) = 0x%x\n", VIDIOC_QUERYSTD …
1028 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_FMT ) = 0x%x\n", VIDIOC_TRY_FMT …
1029 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMAUDIO ) = 0x%x\n", VIDIOC_ENUMAUDIO …
1030 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMAUDOUT ) = 0x%x\n", VIDIOC_ENUMAUDOUT …
1031 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_PRIORITY ) = 0x%x\n", VIDIOC_G_PRIORITY …
1032 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_PRIORITY ) = 0x%x\n", VIDIOC_S_PRIORITY …
1033 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_SLICED_VBI_CAP ) = 0x%x\n", VIDIOC_G_SLICED_VBI_…
1034 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_LOG_STATUS ) = 0x%x\n", VIDIOC_LOG_STATUS …
1035 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_EXT_CTRLS ) = 0x%x\n", VIDIOC_G_EXT_CTRLS …
1036 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_EXT_CTRLS ) = 0x%x\n", VIDIOC_S_EXT_CTRLS …
1037 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_EXT_CTRLS ) = 0x%x\n", VIDIOC_TRY_EXT_CTRLS…
1038 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FRAMESIZES ) = 0x%x\n", VIDIOC_ENUM_FRAMESIZ…
1039 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FRAMEINTERVALS) = 0x%x\n", VIDIOC_ENUM_FRAMEINT…
1040 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_ENC_INDEX ) = 0x%x\n", VIDIOC_G_ENC_INDEX …
1041 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENCODER_CMD ) = 0x%x\n", VIDIOC_ENCODER_CMD …
1042 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_ENCODER_CMD ) = 0x%x\n", VIDIOC_TRY_ENCODER_C…
1043 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_HW_FREQ_SEEK ) = 0x%x\n", VIDIOC_S_HW_FREQ_SEE…
1044 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_CREATE_BUFS ) = 0x%x\n", VIDIOC_CREATE_BUFS …
1045 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_PREPARE_BUF ) = 0x%x\n", VIDIOC_PREPARE_BUF …
1046 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_G_SELECTION ) = 0x%x\n", VIDIOC_G_SELECTION …
1047 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_S_SELECTION ) = 0x%x\n", VIDIOC_S_SELECTION …
1048 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_DECODER_CMD ) = 0x%x\n", VIDIOC_DECODER_CMD …
1049 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_DECODER_CMD ) = 0x%x\n", VIDIOC_TRY_DECODER_C…
1050 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_DV_TIMINGS ) = 0x%x\n", VIDIOC_ENUM_DV_TIMIN…
1051 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERY_DV_TIMINGS ) = 0x%x\n", VIDIOC_QUERY_DV_TIMI…
1052 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_DV_TIMINGS_CAP ) = 0x%x\n", VIDIOC_DV_TIMINGS_CA…
1053 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FREQ_BANDS ) = 0x%x\n", VIDIOC_ENUM_FREQ_BAN…
1054 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_DBG_G_CHIP_INFO ) = 0x%x\n", VIDIOC_DBG_G_CHIP_IN…
1055 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(VIDIOC_QUERY_EXT_CTRL ) = 0x%x\n", VIDIOC_QUERY_EXT_CTR…
1056 + CAMERA_LOGD("cyyanl v4l2 ioctl cmd(BASE_VIDIOC_PRIVATE ) = 0x%x\n", BASE_VIDIOC_PRIVATE …
1105 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYCAP ) = %ld\n", VIDIOC_QUERYCAP …
1106 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FMT ) = %ld\n", VIDIOC_ENUM_FMT …
1107 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_FMT ) = %ld\n", VIDIOC_G_FMT …
1108 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_FMT ) = %ld\n", VIDIOC_S_FMT …
1109 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_REQBUFS ) = %ld\n", VIDIOC_REQBUFS …
1110 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYBUF ) = %ld\n", VIDIOC_QUERYBUF …
1111 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_FBUF ) = %ld\n", VIDIOC_G_FBUF …
1112 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_FBUF ) = %ld\n", VIDIOC_S_FBUF …
1113 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_OVERLAY ) = %ld\n", VIDIOC_OVERLAY …
1114 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QBUF ) = %ld\n", VIDIOC_QBUF …
1115 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_EXPBUF ) = %ld\n", VIDIOC_EXPBUF …
1116 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_DQBUF ) = %ld\n", VIDIOC_DQBUF …
1117 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_STREAMON ) = %ld\n", VIDIOC_STREAMON …
1118 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_STREAMOFF ) = %ld\n", VIDIOC_STREAMOFF …
1119 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_PARM ) = %ld\n", VIDIOC_G_PARM …
1120 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_PARM ) = %ld\n", VIDIOC_S_PARM …
1121 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_STD ) = %ld\n", VIDIOC_G_STD …
1122 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_STD ) = %ld\n", VIDIOC_S_STD …
1123 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMSTD ) = %ld\n", VIDIOC_ENUMSTD …
1124 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMINPUT ) = %ld\n", VIDIOC_ENUMINPUT …
1125 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_CTRL ) = %ld\n", VIDIOC_G_CTRL …
1126 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_CTRL ) = %ld\n", VIDIOC_S_CTRL …
1127 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_TUNER ) = %ld\n", VIDIOC_G_TUNER …
1128 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_TUNER ) = %ld\n", VIDIOC_S_TUNER …
1129 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_AUDIO ) = %ld\n", VIDIOC_G_AUDIO …
1130 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_AUDIO ) = %ld\n", VIDIOC_S_AUDIO …
1131 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYCTRL ) = %ld\n", VIDIOC_QUERYCTRL …
1132 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYMENU ) = %ld\n", VIDIOC_QUERYMENU …
1133 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_INPUT ) = %ld\n", VIDIOC_G_INPUT …
1134 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_INPUT ) = %ld\n", VIDIOC_S_INPUT …
1135 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_EDID ) = %ld\n", VIDIOC_G_EDID …
1136 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_EDID ) = %ld\n", VIDIOC_S_EDID …
1137 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_OUTPUT ) = %ld\n", VIDIOC_G_OUTPUT …
1138 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_OUTPUT ) = %ld\n", VIDIOC_S_OUTPUT …
1139 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMOUTPUT ) = %ld\n", VIDIOC_ENUMOUTPUT …
1140 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_AUDOUT ) = %ld\n", VIDIOC_G_AUDOUT …
1141 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_AUDOUT ) = %ld\n", VIDIOC_S_AUDOUT …
1142 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_MODULATOR ) = %ld\n", VIDIOC_G_MODULATOR …
1143 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_MODULATOR ) = %ld\n", VIDIOC_S_MODULATOR …
1144 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_FREQUENCY ) = %ld\n", VIDIOC_G_FREQUENCY …
1145 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_FREQUENCY ) = %ld\n", VIDIOC_S_FREQUENCY …
1146 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_CROPCAP ) = %ld\n", VIDIOC_CROPCAP …
1147 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_CROP ) = %ld\n", VIDIOC_G_CROP …
1148 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_CROP ) = %ld\n", VIDIOC_S_CROP …
1149 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_JPEGCOMP ) = %ld\n", VIDIOC_G_JPEGCOMP …
1150 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_JPEGCOMP ) = %ld\n", VIDIOC_S_JPEGCOMP …
1151 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERYSTD ) = %ld\n", VIDIOC_QUERYSTD …
1152 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_FMT ) = %ld\n", VIDIOC_TRY_FMT …
1153 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMAUDIO ) = %ld\n", VIDIOC_ENUMAUDIO …
1154 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUMAUDOUT ) = %ld\n", VIDIOC_ENUMAUDOUT …
1155 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_PRIORITY ) = %ld\n", VIDIOC_G_PRIORITY …
1156 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_PRIORITY ) = %ld\n", VIDIOC_S_PRIORITY …
1157 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_SLICED_VBI_CAP ) = %ld\n", VIDIOC_G_SLICED_VBI_CAP …
1158 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_LOG_STATUS ) = %ld\n", VIDIOC_LOG_STATUS …
1159 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_EXT_CTRLS ) = %ld\n", VIDIOC_G_EXT_CTRLS …
1160 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_EXT_CTRLS ) = %ld\n", VIDIOC_S_EXT_CTRLS …
1161 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_EXT_CTRLS ) = %ld\n", VIDIOC_TRY_EXT_CTRLS …
1162 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FRAMESIZES ) = %ld\n", VIDIOC_ENUM_FRAMESIZES …
1163 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FRAMEINTERVALS) = %ld\n", VIDIOC_ENUM_FRAMEINTERVALS…
1164 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_ENC_INDEX ) = %ld\n", VIDIOC_G_ENC_INDEX …
1165 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENCODER_CMD ) = %ld\n", VIDIOC_ENCODER_CMD …
1166 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_ENCODER_CMD ) = %ld\n", VIDIOC_TRY_ENCODER_CMD …
1167 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_HW_FREQ_SEEK ) = %ld\n", VIDIOC_S_HW_FREQ_SEEK …
1168 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_CREATE_BUFS ) = %ld\n", VIDIOC_CREATE_BUFS …
1169 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_PREPARE_BUF ) = %ld\n", VIDIOC_PREPARE_BUF …
1170 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_G_SELECTION ) = %ld\n", VIDIOC_G_SELECTION …
1171 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_S_SELECTION ) = %ld\n", VIDIOC_S_SELECTION …
1172 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_DECODER_CMD ) = %ld\n", VIDIOC_DECODER_CMD …
1173 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_TRY_DECODER_CMD ) = %ld\n", VIDIOC_TRY_DECODER_CMD …
1174 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_DV_TIMINGS ) = %ld\n", VIDIOC_ENUM_DV_TIMINGS …
1175 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERY_DV_TIMINGS ) = %ld\n", VIDIOC_QUERY_DV_TIMINGS …
1176 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_DV_TIMINGS_CAP ) = %ld\n", VIDIOC_DV_TIMINGS_CAP …
1177 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_ENUM_FREQ_BANDS ) = %ld\n", VIDIOC_ENUM_FREQ_BANDS …
1178 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_DBG_G_CHIP_INFO ) = %ld\n", VIDIOC_DBG_G_CHIP_INFO …
1179 + printk("cyyanl v4l2 ioctl cmd(VIDIOC_QUERY_EXT_CTRL ) = %ld\n", VIDIOC_QUERY_EXT_CTRL …
1180 + printk("cyyanl v4l2 ioctl cmd(BASE_VIDIOC_PRIVATE ) = %ld\n", BASE_VIDIOC_PRIVATE …
1229 - if (ioctl(fd, VIDIOC_QUERYBUF, &buf) < 0) {
1230 …- CAMERA_LOGE("error: ioctl VIDIOC_QUERYBUF failed: %{public}s\n", strerror(errno));
1231 + if (ioctl(fd, /*VIDIOC_QUERYBUF*/0xc0585609, &buf) < 0) {
1232 + CAMERA_LOGE("error: ioctl VIDIOC_QUERYBUF failed.\n");
1239 原因分析：此时ioctl(fd, /*VIDIOC_QUERYBUF*/0xc0585609, &buf) 已经成功了。Signal 4分析可能又是cmd命令码的问题。
1320 #include <sys/ioctl.h>
1335 #include <sys/ioctl.h>
1349 #include <sys/ioctl.h>
1362 #include <sys/ioctl.h>
1376 #include <sys/ioctl.h>
1404 #include <sys/ioctl.h>