79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Rockchip video decoder hevc common functions
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*
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* Copyright (C) 2025 Collabora, Ltd.
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* Detlev Casanova <detlev.casanova@collabora.com>
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*
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* Copyright (C) 2023 Collabora, Ltd.
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* Sebastian Fricke <sebastian.fricke@collabora.com>
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*
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* Copyright (C) 2019 Collabora, Ltd.
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* Boris Brezillon <boris.brezillon@collabora.com>
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*
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* Copyright (C) 2016 Rockchip Electronics Co., Ltd.
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* Jeffy Chen <jeffy.chen@rock-chips.com>
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*/
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#include <media/v4l2-mem2mem.h>
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#include <linux/types.h>
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#include "rkvdec.h"
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#include "rkvdec-bitwriter.h"
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#define RPS_LT_REF_PIC_POC_LSB(i) BW_FIELD(0 + (i) * 32, 16) // i: 0-31
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#define RPS_LT_REF_USED_BY_CURR_PIC(i) BW_FIELD(16 + (i) * 32, 1) // i: 0-31
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#define RPS_ST_REF_SET_NUM_NEGATIVE(i) BW_FIELD(1024 + ((i) * 384), 4) // i: 0-63
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#define RPS_ST_REF_SET_NUM_POSITIVE(i) BW_FIELD(1028 + ((i) * 384), 4) // i: 0-63
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// i: 0-63, j: 0-14
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#define RPS_ST_REF_SET_DELTA_POC(i, j) BW_FIELD(1032 + ((i) * 384) + ((j) * 17), 16)
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// i: 0-63, j: 0-14
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#define RPS_ST_REF_SET_USED(i, j) BW_FIELD(1048 + ((i) * 384) + ((j) * 17), 1)
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#define RKVDEC_RPS_HEVC_SIZE ALIGN(1032 + 64 * 384, 128)
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struct rkvdec_rps {
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u32 info[RKVDEC_RPS_HEVC_SIZE / 8 / 4];
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} __packed;
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struct rkvdec_hevc_run {
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struct rkvdec_run base;
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const struct v4l2_ctrl_hevc_slice_params *slices_params;
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const struct v4l2_ctrl_hevc_decode_params *decode_params;
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const struct v4l2_ctrl_hevc_sps *sps;
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const struct v4l2_ctrl_hevc_pps *pps;
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const struct v4l2_ctrl_hevc_scaling_matrix *scaling_matrix;
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const struct v4l2_ctrl_hevc_ext_sps_st_rps *ext_sps_st_rps;
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const struct v4l2_ctrl_hevc_ext_sps_lt_rps *ext_sps_lt_rps;
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int num_slices;
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};
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struct scaling_factor {
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u8 scalingfactor0[1248];
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u8 scalingfactor1[96]; /*4X4 TU Rotate, total 16X4*/
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u8 scalingdc[12]; /*N1005 Vienna Meeting*/
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u8 reserved[4]; /*16Bytes align*/
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};
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void compute_tiles_uniform(struct rkvdec_hevc_run *run, u16 log2_min_cb_size,
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u16 width, u16 height, s32 pic_in_cts_width,
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s32 pic_in_cts_height, u16 *column_width, u16 *row_height);
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void compute_tiles_non_uniform(struct rkvdec_hevc_run *run, u16 log2_min_cb_size,
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u16 width, u16 height, s32 pic_in_cts_width,
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s32 pic_in_cts_height, u16 *column_width, u16 *row_height);
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void rkvdec_hevc_assemble_hw_rps(struct rkvdec_hevc_run *run, struct rkvdec_rps *rps,
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struct v4l2_ctrl_hevc_ext_sps_st_rps *st_cache);
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void rkvdec_hevc_assemble_hw_scaling_list(struct rkvdec_ctx *ctx,
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struct rkvdec_hevc_run *run,
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struct scaling_factor *scaling_factor,
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struct v4l2_ctrl_hevc_scaling_matrix *cache);
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struct vb2_buffer *get_ref_buf(struct rkvdec_ctx *ctx,
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struct rkvdec_hevc_run *run,
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unsigned int dpb_idx);
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int rkvdec_hevc_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f);
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enum rkvdec_image_fmt rkvdec_hevc_get_image_fmt(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl);
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void rkvdec_hevc_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_hevc_run *run);
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