libv4l1: move v4l1 ioctls from kernel to libv4l1:VIDIOCGCHAN

move VIDIOCGCHAN to libv4l1

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>

diff --git a/lib/libv4l1/libv4l1.c b/lib/libv4l1/libv4l1.c
index 9bfddd3..f64025a 100644 (file)
--- a/lib/libv4l1/libv4l1.c
+++ b/lib/libv4l1/libv4l1.c
@@ -624,7 +624,44 @@ int v4l1_ioctl(int fd, unsigned long int request, ...)
 
                if ((devices[index].flags & V4L1_SUPPORTS_ENUMINPUT) &&
                                (devices[index].flags & V4L1_SUPPORTS_ENUMSTD)) {
-                       result = SYS_IOCTL(fd, request, arg);
+
+                       v4l2_std_id sid;
+
+                       input2.index = chan->channel;
+                       result = SYS_IOCTL(fd, VIDIOC_ENUMINPUT, &input2);
+                       if (result < 0)
+                               break;
+
+                       chan->channel = input2.index;
+                       memcpy(chan->name, input2.name,
+                               min(sizeof(chan->name), sizeof(input2.name)));
+
+                       chan->name[sizeof(chan->name) - 1] = 0;
+                       chan->tuners =
+                               (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
+
+                       chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
+                       switch (input2.type) {
+                       case V4L2_INPUT_TYPE_TUNER:
+                               chan->type = VIDEO_TYPE_TV;
+                               break;
+                       default:
+                       case V4L2_INPUT_TYPE_CAMERA:
+                               chan->type = VIDEO_TYPE_CAMERA;
+                               break;
+                       }
+                       chan->norm = 0;
+                       if (SYS_IOCTL(fd, VIDIOC_G_STD, &sid) == 0) {
+                               if (sid & V4L2_STD_PAL)
+                                       chan->norm = VIDEO_MODE_PAL;
+                               if (sid & V4L2_STD_NTSC)
+                                       chan->norm = VIDEO_MODE_NTSC;
+                               if (sid & V4L2_STD_SECAM)
+                                       chan->norm = VIDEO_MODE_SECAM;
+                               if (sid == V4L2_STD_ALL)
+                                       chan->norm = VIDEO_MODE_AUTO;
+                       }
+
                        break;
                }