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-rw-r--r--Documentation/userspace-api/media/v4l/pixfmt-compressed.rst25
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst
index 506dd3c98884..06b78e5589d2 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst
@@ -88,6 +88,11 @@ Compressed Formats
- ``V4L2_PIX_FMT_H263``
- 'H263'
- H263 video elementary stream.
+ * .. _V4L2-PIX-FMT-SPK:
+
+ - ``V4L2_PIX_FMT_SPK``
+ - 'SPK0'
+ - Sorenson Spark is an implementation of H.263 for use in Flash Video and Adobe Flash files
* .. _V4L2-PIX-FMT-MPEG1:
- ``V4L2_PIX_FMT_MPEG1``
@@ -232,6 +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