// SPDX-License-Identifier: GPL-2.0 /* * Rockchip Video Decoder H264 backend * * Copyright (C) 2019 Collabora, Ltd. * Boris Brezillon <[email protected]> * * Copyright (C) 2016 Rockchip Electronics Co., Ltd. * Jeffy Chen <[email protected]> */ #include <media/v4l2-h264.h> #include <media/v4l2-mem2mem.h> #include "rkvdec.h" #include "rkvdec-regs.h" /* Size with u32 units. */ #define RKV_CABAC_INIT_BUFFER_SIZE … #define RKV_RPS_SIZE … #define RKV_ERROR_INFO_SIZE … #define RKVDEC_NUM_REFLIST … struct rkvdec_h264_scaling_list { … }; struct rkvdec_sps_pps_packet { … }; struct rkvdec_ps_field { … }; #define PS_FIELD(_offset, _len) … #define SEQ_PARAMETER_SET_ID … #define PROFILE_IDC … #define CONSTRAINT_SET3_FLAG … #define CHROMA_FORMAT_IDC … #define BIT_DEPTH_LUMA … #define BIT_DEPTH_CHROMA … #define QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG … #define LOG2_MAX_FRAME_NUM_MINUS4 … #define MAX_NUM_REF_FRAMES … #define PIC_ORDER_CNT_TYPE … #define LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4 … #define DELTA_PIC_ORDER_ALWAYS_ZERO_FLAG … #define PIC_WIDTH_IN_MBS … #define PIC_HEIGHT_IN_MBS … #define FRAME_MBS_ONLY_FLAG … #define MB_ADAPTIVE_FRAME_FIELD_FLAG … #define DIRECT_8X8_INFERENCE_FLAG … #define MVC_EXTENSION_ENABLE … #define NUM_VIEWS … #define VIEW_ID(i) … #define NUM_ANCHOR_REFS_L(i) … #define ANCHOR_REF_L(i) … #define NUM_NON_ANCHOR_REFS_L(i) … #define NON_ANCHOR_REFS_L(i) … #define PIC_PARAMETER_SET_ID … #define PPS_SEQ_PARAMETER_SET_ID … #define ENTROPY_CODING_MODE_FLAG … #define BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT_FLAG … #define NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(i) … #define WEIGHTED_PRED_FLAG … #define WEIGHTED_BIPRED_IDC … #define PIC_INIT_QP_MINUS26 … #define PIC_INIT_QS_MINUS26 … #define CHROMA_QP_INDEX_OFFSET … #define DEBLOCKING_FILTER_CONTROL_PRESENT_FLAG … #define CONSTRAINED_INTRA_PRED_FLAG … #define REDUNDANT_PIC_CNT_PRESENT … #define TRANSFORM_8X8_MODE_FLAG … #define SECOND_CHROMA_QP_INDEX_OFFSET … #define SCALING_LIST_ENABLE_FLAG … #define SCALING_LIST_ADDRESS … #define IS_LONG_TERM(i) … #define DPB_OFFS(i, j) … #define DPB_INFO(i, j) … #define BOTTOM_FLAG(i, j) … #define VIEW_INDEX_OFF(i, j) … /* Data structure describing auxiliary buffer format. */ struct rkvdec_h264_priv_tbl { … }; struct rkvdec_h264_reflists { … }; struct rkvdec_h264_run { … }; struct rkvdec_h264_ctx { … }; #define CABAC_ENTRY(ctxidx, idc0_m, idc0_n, idc1_m, idc1_n, \ idc2_m, idc2_n, intra_m, intra_n) … /* * Constant CABAC table. * Built from the tables described in section '9.3.1.1 Initialisation process * for context variables' of the H264 spec. */ static const s8 rkvdec_h264_cabac_table[4][464][2] = …; static void set_ps_field(u32 *buf, struct rkvdec_ps_field field, u32 value) { … } static void assemble_hw_pps(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run) { … } static void lookup_ref_buf_idx(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run) { … } static void assemble_hw_rps(struct rkvdec_ctx *ctx, struct v4l2_h264_reflist_builder *builder, struct rkvdec_h264_run *run) { … } static void assemble_hw_scaling_list(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run) { … } /* * dpb poc related registers table */ static const u32 poc_reg_tbl_top_field[16] = …; static const u32 poc_reg_tbl_bottom_field[16] = …; static void config_registers(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run) { … } #define RKVDEC_H264_MAX_DEPTH_IN_BYTES … static int rkvdec_h264_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f) { … } static int rkvdec_h264_validate_sps(struct rkvdec_ctx *ctx, const struct v4l2_ctrl_h264_sps *sps) { … } static int rkvdec_h264_start(struct rkvdec_ctx *ctx) { … } static void rkvdec_h264_stop(struct rkvdec_ctx *ctx) { … } static void rkvdec_h264_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run) { … } static int rkvdec_h264_run(struct rkvdec_ctx *ctx) { … } static int rkvdec_h264_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl) { … } const struct rkvdec_coded_fmt_ops rkvdec_h264_fmt_ops = …;
Codebase Browser
linux