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| author | Nicolas Dufresne <nicolas.dufresne@collabora.com> | 2022-05-13 22:29:03 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-05-17 09:58:42 +0200 |
| commit | 2e2c3d6c0ef88ffac0d6b5079ee88cf8408f5f3b (patch) | |
| tree | e935576ca7043801ab8bc5aa3ea856720501f0f7 /include/media | |
| parent | 4d52db40c76fb2afa687feefcf765458bb2c9cae (diff) | |
| download | lwn-2e2c3d6c0ef88ffac0d6b5079ee88cf8408f5f3b.tar.gz lwn-2e2c3d6c0ef88ffac0d6b5079ee88cf8408f5f3b.zip | |
media: h264: Use v4l2_h264_reference for reflist
In preparation for adding field decoding support, convert the byte arrays
for reflist into array of struct v4l2_h264_reference. That struct will
allow us to mark which field of the reference picture is being referenced.
[hverkuil: top_field_order_cnt -> pic_order_count]
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-h264.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/media/v4l2-h264.h b/include/media/v4l2-h264.h index 4b1c71c935e0..ef9a894e3c32 100644 --- a/include/media/v4l2-h264.h +++ b/include/media/v4l2-h264.h @@ -37,7 +37,7 @@ struct v4l2_h264_reflist_builder { u16 longterm : 1; } refs[V4L2_H264_NUM_DPB_ENTRIES]; s32 cur_pic_order_count; - u8 unordered_reflist[V4L2_H264_NUM_DPB_ENTRIES]; + struct v4l2_h264_reference unordered_reflist[V4L2_H264_NUM_DPB_ENTRIES]; u8 num_valid; }; @@ -51,10 +51,10 @@ v4l2_h264_init_reflist_builder(struct v4l2_h264_reflist_builder *b, * v4l2_h264_build_b_ref_lists() - Build the B0/B1 reference lists * * @builder: reference list builder context - * @b0_reflist: 16-bytes array used to store the B0 reference list. Each entry - * is an index in the DPB - * @b1_reflist: 16-bytes array used to store the B1 reference list. Each entry - * is an index in the DPB + * @b0_reflist: 16 sized array used to store the B0 reference list. Each entry + * is a v4l2_h264_reference structure + * @b1_reflist: 16 sized array used to store the B1 reference list. Each entry + * is a v4l2_h264_reference structure * * This functions builds the B0/B1 reference lists. This procedure is described * in section '8.2.4 Decoding process for reference picture lists construction' @@ -63,14 +63,15 @@ v4l2_h264_init_reflist_builder(struct v4l2_h264_reflist_builder *b, */ void v4l2_h264_build_b_ref_lists(const struct v4l2_h264_reflist_builder *builder, - u8 *b0_reflist, u8 *b1_reflist); + struct v4l2_h264_reference *b0_reflist, + struct v4l2_h264_reference *b1_reflist); /** * v4l2_h264_build_p_ref_list() - Build the P reference list * * @builder: reference list builder context - * @reflist: 16-bytes array used to store the P reference list. Each entry - * is an index in the DPB + * @reflist: 16 sized array used to store the P reference list. Each entry + * is a v4l2_h264_reference structure * * This functions builds the P reference lists. This procedure is describe in * section '8.2.4 Decoding process for reference picture lists construction' @@ -79,6 +80,6 @@ v4l2_h264_build_b_ref_lists(const struct v4l2_h264_reflist_builder *builder, */ void v4l2_h264_build_p_ref_list(const struct v4l2_h264_reflist_builder *builder, - u8 *reflist); + struct v4l2_h264_reference *reflist); #endif /* _MEDIA_V4L2_H264_H */ |