summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/userspace-api/media/v4l/pixfmt-compressed.rst20
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c2
-rw-r--r--include/uapi/linux/videodev2.h2
3 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst
index a0230f357680..06b78e5589d2 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst
@@ -237,6 +237,26 @@ Compressed Formats
Metadata associated with the frame to decode is required to be passed
through the ``V4L2_CID_STATELESS_FWHT_PARAMS`` control.
See the :ref:`associated Codec Control ID <codec-stateless-fwht>`.
+ * .. _V4L2-PIX-FMT-RV30:
+
+ - ``V4L2_PIX_FMT_RV30``
+ - 'RV30'
+ - RealVideo, or also spelled as Real Video, is a suite of
+ proprietary video compression formats developed by
+ RealNetworks - the specific format changes with the version.
+ RealVideo codecs are identified by four-character codes.
+ RV30 corresponds to RealVideo 8, suspected to be based
+ largely on an early draft of H.264
+ * .. _V4L2-PIX-FMT-RV40:
+
+ - ``V4L2_PIX_FMT_RV40``
+ - 'RV40'
+ - RV40 represents RealVideo 9 and RealVideo 10.
+ RealVideo 9, suspected to be based on H.264.
+ RealVideo 10, aka RV9 EHQ, This refers to an improved encoder
+ for the RV9 format that is fully backwards compatible with
+ RV9 players - the format and decoder did not change, only
+ the encoder did. As a result, it uses the same FourCC.
.. raw:: latex
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index f0bf5d5d7e1c..592410ad6e8a 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1476,6 +1476,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */
case V4L2_PIX_FMT_FWHT_STATELESS: descr = "FWHT Stateless"; break; /* used in vicodec */
case V4L2_PIX_FMT_SPK: descr = "Sorenson Spark"; break;
+ case V4L2_PIX_FMT_RV30: descr = "RealVideo 8"; break;
+ case V4L2_PIX_FMT_RV40: descr = "RealVideo 9 & 10"; break;
case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break;
case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break;
case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index f943d58ec9df..d452481a5316 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -751,6 +751,8 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
#define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
+#define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
+#define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
/* Vendor-specific formats */
#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */