Add bits for previous, golden and altref frame types.

Signed-off-by: Pawel Osciak <posc...@chromium.org>
---
 include/uapi/linux/videodev2.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 437f1b0..c011ee0 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -687,6 +687,10 @@ struct v4l2_buffer {
 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN                0x0000
 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC      0x2000
 #define V4L2_BUF_FLAG_TIMESTAMP_COPY           0x4000
+/* VP8 special frames */
+#define V4L2_BUF_FLAG_PREV_FRAME               0x10000  /* VP8 prev frame */
+#define V4L2_BUF_FLAG_GOLDEN_FRAME             0x20000  /* VP8 golden frame */
+#define V4L2_BUF_FLAG_ALTREF_FRAME             0x40000  /* VP8 altref frame */
 
 /**
  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
-- 
1.8.4

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