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Diffstat (limited to 'Documentation/userspace-api/media/v4l/pixfmt-compressed.rst')
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diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst index 506dd3c98884..c7efb0465db6 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L ****************** Compressed Formats @@ -88,6 +89,11 @@ 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 +238,42 @@ 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. + + * .. _V4L2-PIX-FMT-AV1-FRAME: + + - ``V4L2_PIX_FMT_AV1_FRAME`` + - 'AV1F' + - AV1 parsed frame, including the frame header, as extracted from the container. + This format is adapted for stateless video decoders that implement a AV1 + pipeline with the :ref:`stateless_decoder`. Metadata associated with the + frame to decode is required to be passed through the + ``V4L2_CID_STATELESS_AV1_SEQUENCE``, ``V4L2_CID_STATELESS_AV1_FRAME``, + and ``V4L2_CID_STATELESS_AV1_TILE_GROUP_ENTRY`` controls. + See the :ref:`associated Codec Control IDs <v4l2-codec-stateless-av1>`. + Exactly one output and one capture buffer must be provided for use with + this pixel format. The output buffer must contain the appropriate number + of macroblocks to decode a full corresponding frame to the matching + capture buffer. .. raw:: latex |