V4L/DVB (5270): Add VIDIOC_G_ENC_INDEX ioctl

The VIDIOC_G_ENC_INDEX ioctl can obtain the MPEG index from an MPEG
encoder.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index dc9b1ef678aa..cd13e6108e5e 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -1342,6 +1342,18 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
                         ret=vfd->vidioc_s_jpegcomp(file, fh, p);
                 break;
         }
+        case VIDIOC_G_ENC_INDEX:
+        {
+                struct v4l2_enc_idx *p=arg;
+
+                if (!vfd->vidioc_g_enc_index)
+                        break;
+                ret=vfd->vidioc_g_enc_index(file, fh, p);
+                if (!ret)
+                        dbgarg (cmd, "entries=%d, entries_cap=%d\n",
+                                        p->entries,p->entries_cap);
+                break;
+        }
         case VIDIOC_G_PARM:
         {
                 struct v4l2_streamparm *p=arg;