libv4l1: move VIDIOCGTUNER and VIDIOCSTUNER to libv4l1
authorHuzaifa Sidhpurwala <huzaifas@redhat.com>
Fri, 4 Jun 2010 06:49:40 +0000 (12:19 +0530)
committerHans de Goede <hdegoede@redhat.com>
Fri, 4 Jun 2010 07:00:06 +0000 (09:00 +0200)
move VIDIOCGTUNER and VIDIOCSTUNER to libv4l1

Signed-of-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
lib/libv4l1/libv4l1.c

index 75b823c..081ed0a 100644 (file)
@@ -881,6 +881,64 @@ int v4l1_ioctl(int fd, unsigned long int request, ...)
                break;
        }
 
+       case VIDIOCSTUNER: {
+               struct video_tuner *tun = arg;
+               struct v4l2_tuner t = { 0, };
+
+               t.index = tun->tuner;
+               result = v4l2_ioctl(fd, VIDIOC_S_TUNER, &t);
+
+               break;
+       }
+
+       case VIDIOCGTUNER: {
+               int i;
+               struct video_tuner *tun = arg;
+               struct v4l2_tuner tun2 = { 0, };
+               struct v4l2_standard std2 = { 0, };
+               v4l2_std_id sid;
+
+               result = v4l2_ioctl(fd, VIDIOC_G_TUNER, &tun2);
+               if (result < 0)
+                       break;
+
+               memcpy(tun->name, tun2.name,
+                       min(sizeof(tun->name), sizeof(tun2.name)));
+               tun->name[sizeof(tun->name) - 1] = 0;
+               tun->rangelow = tun2.rangelow;
+               tun->rangehigh = tun2.rangehigh;
+               tun->flags = 0;
+               tun->mode = VIDEO_MODE_AUTO;
+
+               for (i = 0; i < 64; i++) {
+                       std2.index = i;
+                       if (0 != v4l2_ioctl(fd, VIDIOC_ENUMSTD, &std2))
+                               break;
+                       if (std2.id & V4L2_STD_PAL)
+                               tun->flags |= VIDEO_TUNER_PAL;
+                       if (std2.id & V4L2_STD_NTSC)
+                               tun->flags |= VIDEO_TUNER_NTSC;
+                       if (std2.id & V4L2_STD_SECAM)
+                               tun->flags |= VIDEO_TUNER_SECAM;
+               }
+
+               if (v4l2_ioctl(fd, VIDIOC_G_STD, &sid) == 0) {
+                       if (sid & V4L2_STD_PAL)
+                               tun->mode = VIDEO_MODE_PAL;
+                       if (sid & V4L2_STD_NTSC)
+                               tun->mode = VIDEO_MODE_NTSC;
+                       if (sid & V4L2_STD_SECAM)
+                               tun->mode = VIDEO_MODE_SECAM;
+               }
+               if (tun2.capability & V4L2_TUNER_CAP_LOW)
+                       tun->flags |= VIDEO_TUNER_LOW;
+               if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
+                       tun->flags |= VIDEO_TUNER_STEREO_ON;
+               tun->signal = tun2.signal;
+
+               break;
+       }
+
        default:
                /* Pass through libv4l2 for applications which are using v4l2 through
                   libv4l1 (this can happen with the v4l1compat.so wrapper preloaded */