diff options
Diffstat (limited to 'test/v4l2-ctl.cpp')
| -rw-r--r-- | test/v4l2-ctl.cpp | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/test/v4l2-ctl.cpp b/test/v4l2-ctl.cpp index deb7f3fb9..6e044e563 100644 --- a/test/v4l2-ctl.cpp +++ b/test/v4l2-ctl.cpp @@ -36,7 +36,6 @@ #include <math.h> #include <sys/klog.h> -#define __user #include <linux/videodev2.h> #include <list> @@ -600,6 +599,7 @@ static int doioctl(int fd, int request, void *parm, const char *name) if (!option_verbose) return ioctl(fd, request, parm); retVal = ioctl(fd, request, parm); + printf("%s: ", name); if (retVal < 0) printf("failed: %s\n", strerror(errno)); else @@ -641,6 +641,24 @@ static void parse_next_subopt(char **subs, char **value) } } +static void print_std(const char *prefix, const char *stds[], unsigned long long std) +{ + int first = 1; + + printf("\t%s-", prefix); + while (*stds) { + if (std & 1) { + if (!first) + printf("/"); + first = 0; + printf("%s", *stds); + } + stds++; + std >>= 1; + } + printf("\n"); +} + int main(int argc, char **argv) { char *value, *subs; @@ -656,7 +674,7 @@ int main(int argc, char **argv) /* command args */ char ch, *device = strdup("/dev/video0"); /* -d device */ struct v4l2_format vfmt; /* set_format/get_format */ - struct v4l2_tuner tuner; /* set_tuner/get_tuner */ + struct v4l2_tuner tuner = { 0 };/* set_tuner/get_tuner */ struct v4l2_capability vcap; /* list_cap */ struct v4l2_input vin; /* list_inputs */ struct v4l2_output vout; /* list_outputs */ @@ -903,7 +921,7 @@ int main(int argc, char **argv) fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16; } vf.tuner = 0; - vf.type = (enum v4l2_tuner_type)0; + vf.type = tuner.type; vf.frequency = __u32(freq * fac); if (doioctl(fd, VIDIOC_S_FREQUENCY, &vf, "VIDIOC_S_FREQUENCY") == 0) @@ -1131,8 +1149,39 @@ int main(int argc, char **argv) } if (options[OptGetStandard]) { - if (doioctl(fd, VIDIOC_G_STD, &std, "VIDIOC_G_STD") == 0) + if (doioctl(fd, VIDIOC_G_STD, &std, "VIDIOC_G_STD") == 0) { + static const char *pal[] = { + "B", "B1", "G", "H", "I", "D", "D1", "K", + "M", "N", "Nc", "60", + NULL + }; + static const char *ntsc[] = { + "M", "M-JP", "443", "M-KR", + NULL + }; + static const char *secam[] = { + "B", "D", "G", "H", "K", "K1", "L", "Lc", + NULL + }; + static const char *atsc[] = { + "ATSC-8-VSB", "ATSC-16-VSB", + NULL + }; + printf("Video standard = 0x%08llx\n", (unsigned long long)std); + if (std & 0xfff) { + print_std("PAL", pal, std); + } + if (std & 0xf000) { + print_std("NTSC", ntsc, std >> 12); + } + if (std & 0xff0000) { + print_std("SECAM", secam, std >> 16); + } + if (std & 0xf000000) { + print_std("ATSC/HDTV", atsc, std >> 24); + } + } } if (options[OptListCtrlsMenus]) { |