diff options
Diffstat (limited to 'drivers/media/test-drivers/vicodec/codec-v4l2-fwht.h')
| -rw-r--r-- | drivers/media/test-drivers/vicodec/codec-v4l2-fwht.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/media/test-drivers/vicodec/codec-v4l2-fwht.h b/drivers/media/test-drivers/vicodec/codec-v4l2-fwht.h new file mode 100644 index 0000000000..1a0d2a9f93 --- /dev/null +++ b/drivers/media/test-drivers/vicodec/codec-v4l2-fwht.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: LGPL-2.1 */ +/* + * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + */ + +#ifndef CODEC_V4L2_FWHT_H +#define CODEC_V4L2_FWHT_H + +#include "codec-fwht.h" + +struct v4l2_fwht_pixfmt_info { + u32 id; + unsigned int bytesperline_mult; + unsigned int sizeimage_mult; + unsigned int sizeimage_div; + unsigned int luma_alpha_step; + unsigned int chroma_step; + /* Chroma plane subsampling */ + unsigned int width_div; + unsigned int height_div; + unsigned int components_num; + unsigned int planes_num; + unsigned int pixenc; +}; + +struct v4l2_fwht_state { + const struct v4l2_fwht_pixfmt_info *info; + unsigned int visible_width; + unsigned int visible_height; + unsigned int coded_width; + unsigned int coded_height; + unsigned int stride; + unsigned int ref_stride; + unsigned int gop_size; + unsigned int gop_cnt; + u16 i_frame_qp; + u16 p_frame_qp; + + enum v4l2_colorspace colorspace; + enum v4l2_ycbcr_encoding ycbcr_enc; + enum v4l2_xfer_func xfer_func; + enum v4l2_quantization quantization; + + struct fwht_raw_frame ref_frame; + struct fwht_cframe_hdr header; + u8 *compressed_frame; + u64 ref_frame_ts; +}; + +const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat); +const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx); +bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info, + u32 width_div, u32 height_div, u32 components_num, + u32 pixenc); +const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div, + u32 height_div, + u32 components_num, + u32 pixenc, + unsigned int start_idx); + +int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); +int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); + +#endif |