diff --git a/src/udev/v4l_id/v4l_id.c b/src/udev/v4l_id/v4l_id.c index 4d482891a1..4d60ee3c85 100644 --- a/src/udev/v4l_id/v4l_id.c +++ b/src/udev/v4l_id/v4l_id.c @@ -64,22 +64,27 @@ int main(int argc, char *argv[]) { return 3; if (ioctl(fd, VIDIOC_QUERYCAP, &v2cap) == 0) { + int capabilities; printf("ID_V4L_VERSION=2\n"); printf("ID_V4L_PRODUCT=%s\n", v2cap.card); printf("ID_V4L_CAPABILITIES=:"); - if ((v2cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) > 0 || - (v2cap.capabilities & V4L2_CAP_VIDEO_CAPTURE_MPLANE) > 0) + if (v2cap.capabilities & V4L2_CAP_DEVICE_CAPS) + capabilities = v2cap.device_caps; + else + capabilities = v2cap.capabilities; + if ((capabilities & V4L2_CAP_VIDEO_CAPTURE) > 0 || + (capabilities & V4L2_CAP_VIDEO_CAPTURE_MPLANE) > 0) printf("capture:"); - if ((v2cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) > 0 || - (v2cap.capabilities & V4L2_CAP_VIDEO_OUTPUT_MPLANE) > 0) + if ((capabilities & V4L2_CAP_VIDEO_OUTPUT) > 0 || + (capabilities & V4L2_CAP_VIDEO_OUTPUT_MPLANE) > 0) printf("video_output:"); - if ((v2cap.capabilities & V4L2_CAP_VIDEO_OVERLAY) > 0) + if ((capabilities & V4L2_CAP_VIDEO_OVERLAY) > 0) printf("video_overlay:"); - if ((v2cap.capabilities & V4L2_CAP_AUDIO) > 0) + if ((capabilities & V4L2_CAP_AUDIO) > 0) printf("audio:"); - if ((v2cap.capabilities & V4L2_CAP_TUNER) > 0) + if ((capabilities & V4L2_CAP_TUNER) > 0) printf("tuner:"); - if ((v2cap.capabilities & V4L2_CAP_RADIO) > 0) + if ((capabilities & V4L2_CAP_RADIO) > 0) printf("radio:"); printf("\n"); }