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fix[camera_source]: enumerate device and format

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Change-Id: Id4ce3986109f57039cf6716c9252dcc45caebb4e
Signed-off-by: xueman.ruan <xueman.ruan@rock-chips.com>
This commit is contained in:
xueman.ruan
2023-09-13 16:19:03 +08:00
committed by Herman Chen
parent 7017dbd1b6
commit e61fb720f4
1 changed files with 24 additions and 0 deletions
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24
utils/camera_source.c
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@@ -131,6 +131,16 @@ CamSource *camera_source_init(const char *device, RK_U32 bufcnt, RK_U32 width, R
goto FAIL; goto FAIL;
} }
{
struct v4l2_input input;
input.index = 0;
while (!camera_source_ioctl(ctx->fd, VIDIOC_ENUMINPUT, &input)) {
mpp_log("input devices:%s\n", input.name);
++input.index;
}
}
// Determine if fd is a V4L2 Device // Determine if fd is a V4L2 Device
if (0 != camera_source_ioctl(ctx->fd, VIDIOC_QUERYCAP, &cap)) { if (0 != camera_source_ioctl(ctx->fd, VIDIOC_QUERYCAP, &cap)) {
mpp_err_f("Not v4l2 compatible\n"); mpp_err_f("Not v4l2 compatible\n");
@@ -157,6 +167,20 @@ CamSource *camera_source_init(const char *device, RK_U32 bufcnt, RK_U32 width, R
vfmt.fmt.pix.width = width; vfmt.fmt.pix.width = width;
vfmt.fmt.pix.height = height; vfmt.fmt.pix.height = height;
{
struct v4l2_fmtdesc fmtdesc;
fmtdesc.index = 0;
fmtdesc.type = vfmt.type;
while (!camera_source_ioctl(ctx->fd, VIDIOC_ENUM_FMT, &fmtdesc)) {
mpp_log("fmt name: [%s]\n", fmtdesc.description);
mpp_log("fmt pixelformat: '%c%c%c%c', description = '%s'\n", fmtdesc.pixelformat & 0xFF,
(fmtdesc.pixelformat >> 8) & 0xFF, (fmtdesc.pixelformat >> 16) & 0xFF,
(fmtdesc.pixelformat >> 24) & 0xFF, fmtdesc.description);
fmtdesc.index++;
}
}
if (MPP_FRAME_FMT_IS_YUV(format)) { if (MPP_FRAME_FMT_IS_YUV(format)) {
vfmt.fmt.pix.pixelformat = V4L2_yuv_cfg[format - MPP_FRAME_FMT_YUV]; vfmt.fmt.pix.pixelformat = V4L2_yuv_cfg[format - MPP_FRAME_FMT_YUV];
} else if (MPP_FRAME_FMT_IS_RGB(format)) { } else if (MPP_FRAME_FMT_IS_RGB(format)) {