diff options
| author | Paul Kocialkowski <paul.kocialkowski@bootlin.com> | 2019-10-22 18:26:52 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-10-25 00:09:18 +0300 |
| commit | 256fa3920874b0f1f4cb79ad6766493a22187153 (patch) | |
| tree | 36a8bd6a9644a68eabdfde5cc1cab88174893ff7 /Documentation/media/videodev2.h.rst.exceptions | |
| parent | c3b32900fbf5178473c6b39260e891e19067edc2 (diff) | |
| download | linux-256fa3920874b0f1f4cb79ad6766493a22187153.tar.xz | |
media: v4l: Add definitions for HEVC stateless decoding
This introduces the required definitions for HEVC decoding support with
stateless VPUs. The controls associated to the HEVC slice format provide
the required meta-data for decoding slices extracted from the bitstream.
They are not exported to the public V4L2 API since reworking this API
will likely be needed for covering various use-cases and new hardware.
Multi-slice decoding is exposed as a valid decoding mode to match current
H.264 support but it is not yet implemented.
The interface comes with the following limitations:
* No custom quantization matrices (scaling lists);
* Support for a single temporal layer only;
* No slice entry point offsets support;
* No conformance window support;
* No VUI parameters support;
* No support for SPS extensions: range, multilayer, 3d, scc, 4 bits;
* No support for PPS extensions: range, multilayer, 3d, scc, 4 bits.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
[hverkuil-cisco@xs4all.nl: use 1ULL in flags defines in hevc-ctrls.h]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/media/videodev2.h.rst.exceptions')
| -rw-r--r-- | Documentation/media/videodev2.h.rst.exceptions | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/media/videodev2.h.rst.exceptions b/Documentation/media/videodev2.h.rst.exceptions index c23e5ef30c78..cb6ccf91776e 100644 --- a/Documentation/media/videodev2.h.rst.exceptions +++ b/Documentation/media/videodev2.h.rst.exceptions @@ -141,6 +141,9 @@ replace symbol V4L2_CTRL_TYPE_H264_PPS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_H264_SCALING_MATRIX :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_H264_SLICE_PARAMS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_H264_DECODE_PARAMS :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_HEVC_SPS :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type` # V4L2 capability defines |