diff options
Diffstat (limited to 'v4l2-apps/util/v4l2-ctl.cpp')
| -rw-r--r-- | v4l2-apps/util/v4l2-ctl.cpp | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/v4l2-apps/util/v4l2-ctl.cpp b/v4l2-apps/util/v4l2-ctl.cpp index 5d70ed9f3..9c4160083 100644 --- a/v4l2-apps/util/v4l2-ctl.cpp +++ b/v4l2-apps/util/v4l2-ctl.cpp @@ -160,6 +160,7 @@ static const flag_def service_def[] = { #define FmtHeight (1L<<1) #define FmtChromaKey (1L<<2) #define FmtGlobalAlpha (1L<<3) +#define FmtPixelFormat (1L<<4) /* crop specified */ #define CropWidth (1L<<0) @@ -286,8 +287,10 @@ static void usage(void) printf(" --list-formats display supported video formats [VIDIOC_ENUM_FMT]\n"); printf(" -V, --get-fmt-video\n"); printf(" query the video capture format [VIDIOC_G_FMT]\n"); - printf(" -v, --set-fmt-video=width=<w>,height=<h>\n"); + printf(" -v, --set-fmt-video=width=<w>,height=<h>,pixelformat=<f>\n"); printf(" set the video capture format [VIDIOC_S_FMT]\n"); + printf(" pixelformat is either the format index as reported by\n"); + printf(" --list-formats, or the fourcc value as a string\n"); printf(" --verbose turn on verbose ioctl error reporting.\n"); printf("\n"); printf("Uncommon options:\n"); @@ -701,7 +704,7 @@ static void printfbuf(const struct v4l2_framebuffer &fb) printf("\tBase : 0x%p\n", fb.base); printf("\tWidth : %d\n", fb.fmt.width); printf("\tHeight : %d\n", fb.fmt.height); - printf("\tPixel Format : %s\n", fcc2s(fb.fmt.pixelformat).c_str()); + printf("\tPixel Format : '%s'\n", fcc2s(fb.fmt.pixelformat).c_str()); if (!is_ext) { printf("\tBytes per Line: %d\n", fb.fmt.bytesperline); printf("\tSize image : %d\n", fb.fmt.sizeimage); @@ -740,7 +743,7 @@ static void printfmt(struct v4l2_format vfmt) case V4L2_BUF_TYPE_VIDEO_CAPTURE: case V4L2_BUF_TYPE_VIDEO_OUTPUT: printf("\tWidth/Height : %u/%u\n", vfmt.fmt.pix.width, vfmt.fmt.pix.height); - printf("\tPixel Format : %s\n", fcc2s(vfmt.fmt.pix.pixelformat).c_str()); + printf("\tPixel Format : '%s'\n", fcc2s(vfmt.fmt.pix.pixelformat).c_str()); printf("\tField : %s\n", field2s(vfmt.fmt.pix.field).c_str()); printf("\tBytes per Line: %u\n", vfmt.fmt.pix.bytesperline); printf("\tSize Image : %u\n", vfmt.fmt.pix.sizeimage); @@ -798,8 +801,9 @@ static void print_video_formats(int fd, enum v4l2_buf_type type) fmt.index = 0; fmt.type = type; while (ioctl(fd, VIDIOC_ENUM_FMT, &fmt) >= 0) { + printf("\tIndex : %d\n", fmt.index); printf("\tType : %s\n", buftype2s(type).c_str()); - printf("\tPixelformat : %s", fcc2s(fmt.pixelformat).c_str()); + printf("\tPixel Format: '%s'", fcc2s(fmt.pixelformat).c_str()); if (fmt.flags) printf(" (compressed)"); printf("\n"); @@ -1239,6 +1243,7 @@ int main(int argc, char **argv) static const char *const subopts[] = { "width", "height", + "pixelformat", NULL }; @@ -1251,6 +1256,15 @@ int main(int argc, char **argv) vfmt.fmt.pix.height = strtol(value, 0L, 0); set_fmts |= FmtHeight; break; + case 2: + if (strlen(value) == 4) + vfmt.fmt.pix.pixelformat = + v4l2_fourcc(value[0], value[1], + value[2], value[3]); + else + vfmt.fmt.pix.pixelformat = strtol(value, 0L, 0); + set_fmts |= FmtPixelFormat; + break; } } break; @@ -1627,9 +1641,22 @@ int main(int argc, char **argv) in_vfmt.fmt.pix.width = vfmt.fmt.pix.width; if (set_fmts & FmtHeight) in_vfmt.fmt.pix.height = vfmt.fmt.pix.height; + if (set_fmts & FmtPixelFormat) { + in_vfmt.fmt.pix.pixelformat = vfmt.fmt.pix.pixelformat; + if (in_vfmt.fmt.pix.pixelformat < 256) { + struct v4l2_fmtdesc fmt; + + fmt.index = in_vfmt.fmt.pix.pixelformat; + fmt.type = in_vfmt.type; + if (doioctl(fd, VIDIOC_ENUM_FMT, &fmt, "VIDIOC_ENUM_FMT")) + goto set_vid_fmt_error; + in_vfmt.fmt.pix.pixelformat = fmt.pixelformat; + } + } doioctl(fd, VIDIOC_S_FMT, &in_vfmt, "VIDIOC_S_FMT"); } } +set_vid_fmt_error: if (options[OptSetVideoOutFormat]) { struct v4l2_format in_vfmt; @@ -2119,7 +2146,7 @@ int main(int argc, char **argv) while (ioctl(fd, VIDIOC_ENUMSTD, &vs) >= 0) { if (vs.index) printf("\n"); - printf("\tindex : %d\n", vs.index); + printf("\tIndex : %d\n", vs.index); printf("\tID : 0x%016llX\n", (unsigned long long)vs.id); printf("\tName : %s\n", vs.name); printf("\tFrame period: %d/%d\n", |