vdec/vdec_vp8_if.o \
vdec/vdec_vp9_if.o \
vdec/vdec_h264_req_if.o \
+ vdec/vdec_h264_req_common.o \
mtk_vcodec_dec_drv.o \
vdec_drv_if.o \
vdec_vpu_if.o \
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Yunfei Dong <yunfei.dong@mediatek.com>
+ */
+
+#include "vdec_h264_req_common.h"
+
+/* get used parameters for sps/pps */
+#define GET_MTK_VDEC_FLAG(cond, flag) \
+ { dst_param->cond = ((src_param->flags & flag) ? (1) : (0)); }
+#define GET_MTK_VDEC_PARAM(param) \
+ { dst_param->param = src_param->param; }
+
+/*
+ * The firmware expects unused reflist entries to have the value 0x20.
+ */
+void mtk_vdec_h264_fixup_ref_list(u8 *ref_list, size_t num_valid)
+{
+ memset(&ref_list[num_valid], 0x20, 32 - num_valid);
+}
+
+void *mtk_vdec_h264_get_ctrl_ptr(struct mtk_vcodec_ctx *ctx, int id)
+{
+ struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, id);
+
+ if (!ctrl)
+ return ERR_PTR(-EINVAL);
+
+ return ctrl->p_cur.p;
+}
+
+void mtk_vdec_h264_fill_dpb_info(struct mtk_vcodec_ctx *ctx,
+ struct slice_api_h264_decode_param *decode_params,
+ struct mtk_h264_dpb_info *h264_dpb_info)
+{
+ const struct slice_h264_dpb_entry *dpb;
+ struct vb2_queue *vq;
+ struct vb2_buffer *vb;
+ struct vb2_v4l2_buffer *vb2_v4l2;
+ int index, vb2_index;
+
+ vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+
+ for (index = 0; index < V4L2_H264_NUM_DPB_ENTRIES; index++) {
+ dpb = &decode_params->dpb[index];
+ if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) {
+ h264_dpb_info[index].reference_flag = 0;
+ continue;
+ }
+
+ vb2_index = vb2_find_timestamp(vq, dpb->reference_ts, 0);
+ if (vb2_index < 0) {
+ dev_err(&ctx->dev->plat_dev->dev,
+ "Reference invalid: dpb_index(%d) reference_ts(%lld)",
+ index, dpb->reference_ts);
+ continue;
+ }
+
+ /* 1 for short term reference, 2 for long term reference */
+ if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM))
+ h264_dpb_info[index].reference_flag = 1;
+ else
+ h264_dpb_info[index].reference_flag = 2;
+
+ vb = vq->bufs[vb2_index];
+ vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
+ h264_dpb_info[index].field = vb2_v4l2->field;
+
+ h264_dpb_info[index].y_dma_addr =
+ vb2_dma_contig_plane_dma_addr(vb, 0);
+ if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
+ h264_dpb_info[index].c_dma_addr =
+ vb2_dma_contig_plane_dma_addr(vb, 1);
+ else
+ h264_dpb_info[index].c_dma_addr =
+ h264_dpb_info[index].y_dma_addr +
+ ctx->picinfo.fb_sz[0];
+ }
+}
+
+void mtk_vdec_h264_copy_sps_params(struct mtk_h264_sps_param *dst_param,
+ const struct v4l2_ctrl_h264_sps *src_param)
+{
+ GET_MTK_VDEC_PARAM(chroma_format_idc);
+ GET_MTK_VDEC_PARAM(bit_depth_luma_minus8);
+ GET_MTK_VDEC_PARAM(bit_depth_chroma_minus8);
+ GET_MTK_VDEC_PARAM(log2_max_frame_num_minus4);
+ GET_MTK_VDEC_PARAM(pic_order_cnt_type);
+ GET_MTK_VDEC_PARAM(log2_max_pic_order_cnt_lsb_minus4);
+ GET_MTK_VDEC_PARAM(max_num_ref_frames);
+ GET_MTK_VDEC_PARAM(pic_width_in_mbs_minus1);
+ GET_MTK_VDEC_PARAM(pic_height_in_map_units_minus1);
+
+ GET_MTK_VDEC_FLAG(separate_colour_plane_flag,
+ V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE);
+ GET_MTK_VDEC_FLAG(qpprime_y_zero_transform_bypass_flag,
+ V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS);
+ GET_MTK_VDEC_FLAG(delta_pic_order_always_zero_flag,
+ V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO);
+ GET_MTK_VDEC_FLAG(frame_mbs_only_flag,
+ V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY);
+ GET_MTK_VDEC_FLAG(mb_adaptive_frame_field_flag,
+ V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD);
+ GET_MTK_VDEC_FLAG(direct_8x8_inference_flag,
+ V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE);
+}
+
+void mtk_vdec_h264_copy_pps_params(struct mtk_h264_pps_param *dst_param,
+ const struct v4l2_ctrl_h264_pps *src_param)
+{
+ GET_MTK_VDEC_PARAM(num_ref_idx_l0_default_active_minus1);
+ GET_MTK_VDEC_PARAM(num_ref_idx_l1_default_active_minus1);
+ GET_MTK_VDEC_PARAM(weighted_bipred_idc);
+ GET_MTK_VDEC_PARAM(pic_init_qp_minus26);
+ GET_MTK_VDEC_PARAM(chroma_qp_index_offset);
+ GET_MTK_VDEC_PARAM(second_chroma_qp_index_offset);
+
+ GET_MTK_VDEC_FLAG(entropy_coding_mode_flag,
+ V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE);
+ GET_MTK_VDEC_FLAG(pic_order_present_flag,
+ V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT);
+ GET_MTK_VDEC_FLAG(weighted_pred_flag,
+ V4L2_H264_PPS_FLAG_WEIGHTED_PRED);
+ GET_MTK_VDEC_FLAG(deblocking_filter_control_present_flag,
+ V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
+ GET_MTK_VDEC_FLAG(constrained_intra_pred_flag,
+ V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED);
+ GET_MTK_VDEC_FLAG(redundant_pic_cnt_present_flag,
+ V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT);
+ GET_MTK_VDEC_FLAG(transform_8x8_mode_flag,
+ V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE);
+ GET_MTK_VDEC_FLAG(scaling_matrix_present_flag,
+ V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT);
+}
+
+void mtk_vdec_h264_copy_slice_hd_params(struct mtk_h264_slice_hd_param *dst_param,
+ const struct v4l2_ctrl_h264_slice_params *src_param,
+ const struct v4l2_ctrl_h264_decode_params *dec_param)
+{
+ int temp;
+
+ GET_MTK_VDEC_PARAM(first_mb_in_slice);
+ GET_MTK_VDEC_PARAM(slice_type);
+ GET_MTK_VDEC_PARAM(cabac_init_idc);
+ GET_MTK_VDEC_PARAM(slice_qp_delta);
+ GET_MTK_VDEC_PARAM(disable_deblocking_filter_idc);
+ GET_MTK_VDEC_PARAM(slice_alpha_c0_offset_div2);
+ GET_MTK_VDEC_PARAM(slice_beta_offset_div2);
+ GET_MTK_VDEC_PARAM(num_ref_idx_l0_active_minus1);
+ GET_MTK_VDEC_PARAM(num_ref_idx_l1_active_minus1);
+
+ dst_param->frame_num = dec_param->frame_num;
+ dst_param->pic_order_cnt_lsb = dec_param->pic_order_cnt_lsb;
+
+ dst_param->delta_pic_order_cnt_bottom =
+ dec_param->delta_pic_order_cnt_bottom;
+ dst_param->delta_pic_order_cnt0 =
+ dec_param->delta_pic_order_cnt0;
+ dst_param->delta_pic_order_cnt1 =
+ dec_param->delta_pic_order_cnt1;
+
+ temp = dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC;
+ dst_param->field_pic_flag = temp ? 1 : 0;
+
+ temp = dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD;
+ dst_param->bottom_field_flag = temp ? 1 : 0;
+
+ GET_MTK_VDEC_FLAG(direct_spatial_mv_pred_flag,
+ V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED);
+}
+
+void mtk_vdec_h264_copy_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix,
+ const struct v4l2_ctrl_h264_scaling_matrix *src_matrix)
+{
+ memcpy(dst_matrix->scaling_list_4x4, src_matrix->scaling_list_4x4,
+ sizeof(dst_matrix->scaling_list_4x4));
+
+ memcpy(dst_matrix->scaling_list_8x8, src_matrix->scaling_list_8x8,
+ sizeof(dst_matrix->scaling_list_8x8));
+}
+
+void
+mtk_vdec_h264_copy_decode_params(struct slice_api_h264_decode_param *dst_params,
+ const struct v4l2_ctrl_h264_decode_params *src_params,
+ const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES])
+{
+ struct slice_h264_dpb_entry *dst_entry;
+ const struct v4l2_h264_dpb_entry *src_entry;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dst_params->dpb); i++) {
+ dst_entry = &dst_params->dpb[i];
+ src_entry = &dpb[i];
+
+ dst_entry->reference_ts = src_entry->reference_ts;
+ dst_entry->frame_num = src_entry->frame_num;
+ dst_entry->pic_num = src_entry->pic_num;
+ dst_entry->top_field_order_cnt = src_entry->top_field_order_cnt;
+ dst_entry->bottom_field_order_cnt =
+ src_entry->bottom_field_order_cnt;
+ dst_entry->flags = src_entry->flags;
+ }
+
+ /* num_slices is a leftover from the old H.264 support and is ignored
+ * by the firmware.
+ */
+ dst_params->num_slices = 0;
+ dst_params->nal_ref_idc = src_params->nal_ref_idc;
+ dst_params->top_field_order_cnt = src_params->top_field_order_cnt;
+ dst_params->bottom_field_order_cnt = src_params->bottom_field_order_cnt;
+ dst_params->flags = src_params->flags;
+}
+
+static bool mtk_vdec_h264_dpb_entry_match(const struct v4l2_h264_dpb_entry *a,
+ const struct v4l2_h264_dpb_entry *b)
+{
+ return a->top_field_order_cnt == b->top_field_order_cnt &&
+ a->bottom_field_order_cnt == b->bottom_field_order_cnt;
+}
+
+/*
+ * Move DPB entries of dec_param that refer to a frame already existing in dpb
+ * into the already existing slot in dpb, and move other entries into new slots.
+ *
+ * This function is an adaptation of the similarly-named function in
+ * hantro_h264.c.
+ */
+void mtk_vdec_h264_update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param,
+ struct v4l2_h264_dpb_entry *dpb)
+{
+ DECLARE_BITMAP(new, ARRAY_SIZE(dec_param->dpb)) = { 0, };
+ DECLARE_BITMAP(in_use, ARRAY_SIZE(dec_param->dpb)) = { 0, };
+ DECLARE_BITMAP(used, ARRAY_SIZE(dec_param->dpb)) = { 0, };
+ unsigned int i, j;
+
+ /* Disable all entries by default, and mark the ones in use. */
+ for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
+ if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
+ set_bit(i, in_use);
+ dpb[i].flags &= ~V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
+ }
+
+ /* Try to match new DPB entries with existing ones by their POCs. */
+ for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
+ const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
+
+ if (!(ndpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
+ continue;
+
+ /*
+ * To cut off some comparisons, iterate only on target DPB
+ * entries were already used.
+ */
+ for_each_set_bit(j, in_use, ARRAY_SIZE(dec_param->dpb)) {
+ struct v4l2_h264_dpb_entry *cdpb;
+
+ cdpb = &dpb[j];
+ if (!mtk_vdec_h264_dpb_entry_match(cdpb, ndpb))
+ continue;
+
+ *cdpb = *ndpb;
+ set_bit(j, used);
+ /* Don't reiterate on this one. */
+ clear_bit(j, in_use);
+ break;
+ }
+
+ if (j == ARRAY_SIZE(dec_param->dpb))
+ set_bit(i, new);
+ }
+
+ /* For entries that could not be matched, use remaining free slots. */
+ for_each_set_bit(i, new, ARRAY_SIZE(dec_param->dpb)) {
+ const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
+ struct v4l2_h264_dpb_entry *cdpb;
+
+ /*
+ * Both arrays are of the same sizes, so there is no way
+ * we can end up with no space in target array, unless
+ * something is buggy.
+ */
+ j = find_first_zero_bit(used, ARRAY_SIZE(dec_param->dpb));
+ if (WARN_ON(j >= ARRAY_SIZE(dec_param->dpb)))
+ return;
+
+ cdpb = &dpb[j];
+ *cdpb = *ndpb;
+ set_bit(j, used);
+ }
+}
+
+unsigned int mtk_vdec_h264_get_mv_buf_size(unsigned int width, unsigned int height)
+{
+ int unit_size = (width / MB_UNIT_LEN) * (height / MB_UNIT_LEN) + 8;
+
+ return HW_MB_STORE_SZ * unit_size;
+}
+
+int mtk_vdec_h264_find_start_code(unsigned char *data, unsigned int data_sz)
+{
+ if (data_sz > 3 && data[0] == 0 && data[1] == 0 && data[2] == 1)
+ return 3;
+
+ if (data_sz > 4 && data[0] == 0 && data[1] == 0 && data[2] == 0 &&
+ data[3] == 1)
+ return 4;
+
+ return -1;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Yunfei Dong <yunfei.dong@mediatek.com>
+ */
+
+#ifndef _VDEC_H264_REQ_COMMON_H_
+#define _VDEC_H264_REQ_COMMON_H_
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <media/v4l2-h264.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "../mtk_vcodec_drv.h"
+
+#define NAL_NON_IDR_SLICE 0x01
+#define NAL_IDR_SLICE 0x05
+#define NAL_TYPE(value) ((value) & 0x1F)
+
+#define BUF_PREDICTION_SZ (64 * 4096)
+#define MB_UNIT_LEN 16
+
+/* motion vector size (bytes) for every macro block */
+#define HW_MB_STORE_SZ 64
+
+#define H264_MAX_MV_NUM 32
+
+/**
+ * struct mtk_h264_dpb_info - h264 dpb information
+ *
+ * @y_dma_addr: Y bitstream physical address
+ * @c_dma_addr: CbCr bitstream physical address
+ * @reference_flag: reference picture flag (short/long term reference picture)
+ * @field: field picture flag
+ */
+struct mtk_h264_dpb_info {
+ dma_addr_t y_dma_addr;
+ dma_addr_t c_dma_addr;
+ int reference_flag;
+ int field;
+};
+
+/*
+ * struct mtk_h264_sps_param - parameters for sps
+ */
+struct mtk_h264_sps_param {
+ unsigned char chroma_format_idc;
+ unsigned char bit_depth_luma_minus8;
+ unsigned char bit_depth_chroma_minus8;
+ unsigned char log2_max_frame_num_minus4;
+ unsigned char pic_order_cnt_type;
+ unsigned char log2_max_pic_order_cnt_lsb_minus4;
+ unsigned char max_num_ref_frames;
+ unsigned char separate_colour_plane_flag;
+ unsigned short pic_width_in_mbs_minus1;
+ unsigned short pic_height_in_map_units_minus1;
+ unsigned int max_frame_nums;
+ unsigned char qpprime_y_zero_transform_bypass_flag;
+ unsigned char delta_pic_order_always_zero_flag;
+ unsigned char frame_mbs_only_flag;
+ unsigned char mb_adaptive_frame_field_flag;
+ unsigned char direct_8x8_inference_flag;
+ unsigned char reserved[3];
+};
+
+/*
+ * struct mtk_h264_pps_param - parameters for pps
+ */
+struct mtk_h264_pps_param {
+ unsigned char num_ref_idx_l0_default_active_minus1;
+ unsigned char num_ref_idx_l1_default_active_minus1;
+ unsigned char weighted_bipred_idc;
+ char pic_init_qp_minus26;
+ char chroma_qp_index_offset;
+ char second_chroma_qp_index_offset;
+ unsigned char entropy_coding_mode_flag;
+ unsigned char pic_order_present_flag;
+ unsigned char deblocking_filter_control_present_flag;
+ unsigned char constrained_intra_pred_flag;
+ unsigned char weighted_pred_flag;
+ unsigned char redundant_pic_cnt_present_flag;
+ unsigned char transform_8x8_mode_flag;
+ unsigned char scaling_matrix_present_flag;
+ unsigned char reserved[2];
+};
+
+/*
+ * struct mtk_h264_slice_hd_param - parameters for slice header
+ */
+struct mtk_h264_slice_hd_param {
+ unsigned int first_mb_in_slice;
+ unsigned int field_pic_flag;
+ unsigned int slice_type;
+ unsigned int frame_num;
+ int pic_order_cnt_lsb;
+ int delta_pic_order_cnt_bottom;
+ unsigned int bottom_field_flag;
+ unsigned int direct_spatial_mv_pred_flag;
+ int delta_pic_order_cnt0;
+ int delta_pic_order_cnt1;
+ unsigned int cabac_init_idc;
+ int slice_qp_delta;
+ unsigned int disable_deblocking_filter_idc;
+ int slice_alpha_c0_offset_div2;
+ int slice_beta_offset_div2;
+ unsigned int num_ref_idx_l0_active_minus1;
+ unsigned int num_ref_idx_l1_active_minus1;
+ unsigned int reserved;
+};
+
+/*
+ * struct slice_api_h264_scaling_matrix - parameters for scaling list
+ */
+struct slice_api_h264_scaling_matrix {
+ unsigned char scaling_list_4x4[6][16];
+ unsigned char scaling_list_8x8[6][64];
+};
+
+/*
+ * struct slice_h264_dpb_entry - each dpb information
+ */
+struct slice_h264_dpb_entry {
+ unsigned long long reference_ts;
+ unsigned short frame_num;
+ unsigned short pic_num;
+ /* Note that field is indicated by v4l2_buffer.field */
+ int top_field_order_cnt;
+ int bottom_field_order_cnt;
+ unsigned int flags;
+};
+
+/*
+ * struct slice_api_h264_decode_param - parameters for decode.
+ */
+struct slice_api_h264_decode_param {
+ struct slice_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES];
+ unsigned short num_slices;
+ unsigned short nal_ref_idc;
+ unsigned char ref_pic_list_p0[32];
+ unsigned char ref_pic_list_b0[32];
+ unsigned char ref_pic_list_b1[32];
+ int top_field_order_cnt;
+ int bottom_field_order_cnt;
+ unsigned int flags;
+};
+
+/**
+ * struct h264_fb - h264 decode frame buffer information
+ *
+ * @vdec_fb_va: virtual address of struct vdec_fb
+ * @y_fb_dma: dma address of Y frame buffer (luma)
+ * @c_fb_dma: dma address of C frame buffer (chroma)
+ * @poc: picture order count of frame buffer
+ * @reserved: for 8 bytes alignment
+ */
+struct h264_fb {
+ u64 vdec_fb_va;
+ u64 y_fb_dma;
+ u64 c_fb_dma;
+ s32 poc;
+ u32 reserved;
+};
+
+/**
+ * mtk_vdec_h264_fixup_ref_list - fixup unused reference to 0x20.
+ *
+ * @ref_list: reference picture list
+ * @num_valid: used reference number
+ */
+void mtk_vdec_h264_fixup_ref_list(u8 *ref_list, size_t num_valid);
+
+/**
+ * mtk_vdec_h264_get_ctrl_ptr - get each CID contrl address.
+ *
+ * @ctx: v4l2 ctx
+ * @id: CID control ID
+ *
+ * Return: returns CID ctrl address.
+ */
+void *mtk_vdec_h264_get_ctrl_ptr(struct mtk_vcodec_ctx *ctx, int id);
+
+/**
+ * mtk_vdec_h264_fill_dpb_info - get each CID contrl address.
+ *
+ * @ctx: v4l2 ctx
+ * @decode_params: slice decode params
+ * @h264_dpb_info: dpb buffer information
+ */
+void mtk_vdec_h264_fill_dpb_info(struct mtk_vcodec_ctx *ctx,
+ struct slice_api_h264_decode_param *decode_params,
+ struct mtk_h264_dpb_info *h264_dpb_info);
+
+/**
+ * mtk_vdec_h264_copy_sps_params - get sps params.
+ *
+ * @dst_param: sps params for hw decoder
+ * @src_param: sps params from user driver
+ */
+void mtk_vdec_h264_copy_sps_params(struct mtk_h264_sps_param *dst_param,
+ const struct v4l2_ctrl_h264_sps *src_param);
+
+/**
+ * mtk_vdec_h264_copy_pps_params - get pps params.
+ *
+ * @dst_param: pps params for hw decoder
+ * @src_param: pps params from user driver
+ */
+void mtk_vdec_h264_copy_pps_params(struct mtk_h264_pps_param *dst_param,
+ const struct v4l2_ctrl_h264_pps *src_param);
+
+/**
+ * mtk_vdec_h264_copy_slice_hd_params - get slice header params.
+ *
+ * @dst_param: slice params for hw decoder
+ * @src_param: slice params from user driver
+ * @dec_param: decode params from user driver
+ */
+void mtk_vdec_h264_copy_slice_hd_params(struct mtk_h264_slice_hd_param *dst_param,
+ const struct v4l2_ctrl_h264_slice_params *src_param,
+ const struct v4l2_ctrl_h264_decode_params *dec_param);
+
+/**
+ * mtk_vdec_h264_copy_scaling_matrix - get each CID contrl address.
+ *
+ * @dst_matrix: scaling list params for hw decoder
+ * @src_matrix: scaling list params from user driver
+ */
+void mtk_vdec_h264_copy_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix,
+ const struct v4l2_ctrl_h264_scaling_matrix *src_matrix);
+
+/**
+ * mtk_vdec_h264_copy_decode_params - get decode params.
+ *
+ * @dst_params: dst params for hw decoder
+ * @src_params: decode params from user driver
+ * @dpb: dpb information
+ */
+void
+mtk_vdec_h264_copy_decode_params(struct slice_api_h264_decode_param *dst_params,
+ const struct v4l2_ctrl_h264_decode_params *src_params,
+ const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES]);
+
+/**
+ * mtk_vdec_h264_update_dpb - updata dpb list.
+ *
+ * @dec_param: v4l2 control decode params
+ * @dpb: dpb entry informaton
+ */
+void mtk_vdec_h264_update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param,
+ struct v4l2_h264_dpb_entry *dpb);
+
+/**
+ * mtk_vdec_h264_find_start_code - find h264 start code using sofeware.
+ *
+ * @data: input buffer address
+ * @data_sz: input buffer size
+ *
+ * Return: returns start code position.
+ */
+int mtk_vdec_h264_find_start_code(unsigned char *data, unsigned int data_sz);
+
+/**
+ * mtk_vdec_h264_get_mv_buf_size - get mv buffer size.
+ *
+ * @width: picture width
+ * @height: picture height
+ *
+ * Return: returns mv buffer size.
+ */
+unsigned int mtk_vdec_h264_get_mv_buf_size(unsigned int width, unsigned int height);
+
+#endif
#include "../vdec_drv_base.h"
#include "../vdec_drv_if.h"
#include "../vdec_vpu_if.h"
-
-#define BUF_PREDICTION_SZ (64 * 4096)
-#define MB_UNIT_LEN 16
-
-/* get used parameters for sps/pps */
-#define GET_MTK_VDEC_FLAG(cond, flag) \
- { dst_param->cond = ((src_param->flags & (flag)) ? (1) : (0)); }
-#define GET_MTK_VDEC_PARAM(param) \
- { dst_param->param = src_param->param; }
-/* motion vector size (bytes) for every macro block */
-#define HW_MB_STORE_SZ 64
-
-#define H264_MAX_FB_NUM 17
-#define H264_MAX_MV_NUM 32
-#define HDR_PARSING_BUF_SZ 1024
-
-/**
- * struct mtk_h264_dpb_info - h264 dpb information
- * @y_dma_addr: Y bitstream physical address
- * @c_dma_addr: CbCr bitstream physical address
- * @reference_flag: reference picture flag (short/long term reference picture)
- * @field: field picture flag
- */
-struct mtk_h264_dpb_info {
- dma_addr_t y_dma_addr;
- dma_addr_t c_dma_addr;
- int reference_flag;
- int field;
-};
-
-/*
- * struct mtk_h264_sps_param - parameters for sps
- */
-struct mtk_h264_sps_param {
- unsigned char chroma_format_idc;
- unsigned char bit_depth_luma_minus8;
- unsigned char bit_depth_chroma_minus8;
- unsigned char log2_max_frame_num_minus4;
- unsigned char pic_order_cnt_type;
- unsigned char log2_max_pic_order_cnt_lsb_minus4;
- unsigned char max_num_ref_frames;
- unsigned char separate_colour_plane_flag;
- unsigned short pic_width_in_mbs_minus1;
- unsigned short pic_height_in_map_units_minus1;
- unsigned int max_frame_nums;
- unsigned char qpprime_y_zero_transform_bypass_flag;
- unsigned char delta_pic_order_always_zero_flag;
- unsigned char frame_mbs_only_flag;
- unsigned char mb_adaptive_frame_field_flag;
- unsigned char direct_8x8_inference_flag;
- unsigned char reserved[3];
-};
-
-/*
- * struct mtk_h264_pps_param - parameters for pps
- */
-struct mtk_h264_pps_param {
- unsigned char num_ref_idx_l0_default_active_minus1;
- unsigned char num_ref_idx_l1_default_active_minus1;
- unsigned char weighted_bipred_idc;
- char pic_init_qp_minus26;
- char chroma_qp_index_offset;
- char second_chroma_qp_index_offset;
- unsigned char entropy_coding_mode_flag;
- unsigned char pic_order_present_flag;
- unsigned char deblocking_filter_control_present_flag;
- unsigned char constrained_intra_pred_flag;
- unsigned char weighted_pred_flag;
- unsigned char redundant_pic_cnt_present_flag;
- unsigned char transform_8x8_mode_flag;
- unsigned char scaling_matrix_present_flag;
- unsigned char reserved[2];
-};
-
-struct slice_api_h264_scaling_matrix {
- unsigned char scaling_list_4x4[6][16];
- unsigned char scaling_list_8x8[6][64];
-};
-
-struct slice_h264_dpb_entry {
- unsigned long long reference_ts;
- unsigned short frame_num;
- unsigned short pic_num;
- /* Note that field is indicated by v4l2_buffer.field */
- int top_field_order_cnt;
- int bottom_field_order_cnt;
- unsigned int flags; /* V4L2_H264_DPB_ENTRY_FLAG_* */
-};
-
-/*
- * struct slice_api_h264_decode_param - parameters for decode.
- */
-struct slice_api_h264_decode_param {
- struct slice_h264_dpb_entry dpb[16];
- unsigned short num_slices;
- unsigned short nal_ref_idc;
- unsigned char ref_pic_list_p0[32];
- unsigned char ref_pic_list_b0[32];
- unsigned char ref_pic_list_b1[32];
- int top_field_order_cnt;
- int bottom_field_order_cnt;
- unsigned int flags; /* V4L2_H264_DECODE_PARAM_FLAG_* */
-};
+#include "vdec_h264_req_common.h"
/*
* struct mtk_h264_dec_slice_param - parameters for decode current frame
struct mtk_h264_dpb_info h264_dpb_info[16];
};
-/**
- * struct h264_fb - h264 decode frame buffer information
- * @vdec_fb_va : virtual address of struct vdec_fb
- * @y_fb_dma : dma address of Y frame buffer (luma)
- * @c_fb_dma : dma address of C frame buffer (chroma)
- * @poc : picture order count of frame buffer
- * @reserved : for 8 bytes alignment
- */
-struct h264_fb {
- u64 vdec_fb_va;
- u64 y_fb_dma;
- u64 c_fb_dma;
- s32 poc;
- u32 reserved;
-};
-
/**
* struct vdec_h264_dec_info - decode information
* @dpb_sz : decoding picture buffer size
struct v4l2_h264_dpb_entry dpb[16];
};
-static void *get_ctrl_ptr(struct mtk_vcodec_ctx *ctx, int id)
-{
- struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, id);
-
- return ctrl->p_cur.p;
-}
-
-static void get_h264_dpb_list(struct vdec_h264_slice_inst *inst,
- struct mtk_h264_dec_slice_param *slice_param)
-{
- struct vb2_queue *vq;
- struct vb2_buffer *vb;
- struct vb2_v4l2_buffer *vb2_v4l2;
- u64 index;
-
- vq = v4l2_m2m_get_vq(inst->ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
-
- for (index = 0; index < ARRAY_SIZE(slice_param->decode_params.dpb); index++) {
- const struct slice_h264_dpb_entry *dpb;
- int vb2_index;
-
- dpb = &slice_param->decode_params.dpb[index];
- if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) {
- slice_param->h264_dpb_info[index].reference_flag = 0;
- continue;
- }
-
- vb2_index = vb2_find_timestamp(vq, dpb->reference_ts, 0);
- if (vb2_index < 0) {
- mtk_vcodec_err(inst, "Reference invalid: dpb_index(%lld) reference_ts(%lld)",
- index, dpb->reference_ts);
- continue;
- }
- /* 1 for short term reference, 2 for long term reference */
- if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM))
- slice_param->h264_dpb_info[index].reference_flag = 1;
- else
- slice_param->h264_dpb_info[index].reference_flag = 2;
-
- vb = vq->bufs[vb2_index];
- vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
- slice_param->h264_dpb_info[index].field = vb2_v4l2->field;
-
- slice_param->h264_dpb_info[index].y_dma_addr =
- vb2_dma_contig_plane_dma_addr(vb, 0);
- if (inst->ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) {
- slice_param->h264_dpb_info[index].c_dma_addr =
- vb2_dma_contig_plane_dma_addr(vb, 1);
- }
- }
-}
-
-static void get_h264_sps_parameters(struct mtk_h264_sps_param *dst_param,
- const struct v4l2_ctrl_h264_sps *src_param)
-{
- GET_MTK_VDEC_PARAM(chroma_format_idc);
- GET_MTK_VDEC_PARAM(bit_depth_luma_minus8);
- GET_MTK_VDEC_PARAM(bit_depth_chroma_minus8);
- GET_MTK_VDEC_PARAM(log2_max_frame_num_minus4);
- GET_MTK_VDEC_PARAM(pic_order_cnt_type);
- GET_MTK_VDEC_PARAM(log2_max_pic_order_cnt_lsb_minus4);
- GET_MTK_VDEC_PARAM(max_num_ref_frames);
- GET_MTK_VDEC_PARAM(pic_width_in_mbs_minus1);
- GET_MTK_VDEC_PARAM(pic_height_in_map_units_minus1);
-
- GET_MTK_VDEC_FLAG(separate_colour_plane_flag,
- V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE);
- GET_MTK_VDEC_FLAG(qpprime_y_zero_transform_bypass_flag,
- V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS);
- GET_MTK_VDEC_FLAG(delta_pic_order_always_zero_flag,
- V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO);
- GET_MTK_VDEC_FLAG(frame_mbs_only_flag,
- V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY);
- GET_MTK_VDEC_FLAG(mb_adaptive_frame_field_flag,
- V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD);
- GET_MTK_VDEC_FLAG(direct_8x8_inference_flag,
- V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE);
-}
-
-static void get_h264_pps_parameters(struct mtk_h264_pps_param *dst_param,
- const struct v4l2_ctrl_h264_pps *src_param)
+static int get_vdec_decode_parameters(struct vdec_h264_slice_inst *inst)
{
- GET_MTK_VDEC_PARAM(num_ref_idx_l0_default_active_minus1);
- GET_MTK_VDEC_PARAM(num_ref_idx_l1_default_active_minus1);
- GET_MTK_VDEC_PARAM(weighted_bipred_idc);
- GET_MTK_VDEC_PARAM(pic_init_qp_minus26);
- GET_MTK_VDEC_PARAM(chroma_qp_index_offset);
- GET_MTK_VDEC_PARAM(second_chroma_qp_index_offset);
-
- GET_MTK_VDEC_FLAG(entropy_coding_mode_flag,
- V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE);
- GET_MTK_VDEC_FLAG(pic_order_present_flag,
- V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT);
- GET_MTK_VDEC_FLAG(weighted_pred_flag,
- V4L2_H264_PPS_FLAG_WEIGHTED_PRED);
- GET_MTK_VDEC_FLAG(deblocking_filter_control_present_flag,
- V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
- GET_MTK_VDEC_FLAG(constrained_intra_pred_flag,
- V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED);
- GET_MTK_VDEC_FLAG(redundant_pic_cnt_present_flag,
- V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT);
- GET_MTK_VDEC_FLAG(transform_8x8_mode_flag,
- V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE);
- GET_MTK_VDEC_FLAG(scaling_matrix_present_flag,
- V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT);
-}
-
-static void
-get_h264_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix,
- const struct v4l2_ctrl_h264_scaling_matrix *src_matrix)
-{
- memcpy(dst_matrix->scaling_list_4x4, src_matrix->scaling_list_4x4,
- sizeof(dst_matrix->scaling_list_4x4));
-
- memcpy(dst_matrix->scaling_list_8x8, src_matrix->scaling_list_8x8,
- sizeof(dst_matrix->scaling_list_8x8));
-}
-
-static void
-get_h264_decode_parameters(struct slice_api_h264_decode_param *dst_params,
- const struct v4l2_ctrl_h264_decode_params *src_params,
- const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES])
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(dst_params->dpb); i++) {
- struct slice_h264_dpb_entry *dst_entry = &dst_params->dpb[i];
- const struct v4l2_h264_dpb_entry *src_entry = &dpb[i];
-
- dst_entry->reference_ts = src_entry->reference_ts;
- dst_entry->frame_num = src_entry->frame_num;
- dst_entry->pic_num = src_entry->pic_num;
- dst_entry->top_field_order_cnt = src_entry->top_field_order_cnt;
- dst_entry->bottom_field_order_cnt =
- src_entry->bottom_field_order_cnt;
- dst_entry->flags = src_entry->flags;
- }
-
- /*
- * num_slices is a leftover from the old H.264 support and is ignored
- * by the firmware.
- */
- dst_params->num_slices = 0;
- dst_params->nal_ref_idc = src_params->nal_ref_idc;
- dst_params->top_field_order_cnt = src_params->top_field_order_cnt;
- dst_params->bottom_field_order_cnt = src_params->bottom_field_order_cnt;
- dst_params->flags = src_params->flags;
-}
-
-static bool dpb_entry_match(const struct v4l2_h264_dpb_entry *a,
- const struct v4l2_h264_dpb_entry *b)
-{
- return a->top_field_order_cnt == b->top_field_order_cnt &&
- a->bottom_field_order_cnt == b->bottom_field_order_cnt;
-}
-
-/*
- * Move DPB entries of dec_param that refer to a frame already existing in dpb
- * into the already existing slot in dpb, and move other entries into new slots.
- *
- * This function is an adaptation of the similarly-named function in
- * hantro_h264.c.
- */
-static void update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param,
- struct v4l2_h264_dpb_entry *dpb)
-{
- DECLARE_BITMAP(new, ARRAY_SIZE(dec_param->dpb)) = { 0, };
- DECLARE_BITMAP(in_use, ARRAY_SIZE(dec_param->dpb)) = { 0, };
- DECLARE_BITMAP(used, ARRAY_SIZE(dec_param->dpb)) = { 0, };
- unsigned int i, j;
-
- /* Disable all entries by default, and mark the ones in use. */
- for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
- if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
- set_bit(i, in_use);
- dpb[i].flags &= ~V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
- }
-
- /* Try to match new DPB entries with existing ones by their POCs. */
- for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) {
- const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
-
- if (!(ndpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
- continue;
-
- /*
- * To cut off some comparisons, iterate only on target DPB
- * entries were already used.
- */
- for_each_set_bit(j, in_use, ARRAY_SIZE(dec_param->dpb)) {
- struct v4l2_h264_dpb_entry *cdpb;
-
- cdpb = &dpb[j];
- if (!dpb_entry_match(cdpb, ndpb))
- continue;
-
- *cdpb = *ndpb;
- set_bit(j, used);
- /* Don't reiterate on this one. */
- clear_bit(j, in_use);
- break;
- }
-
- if (j == ARRAY_SIZE(dec_param->dpb))
- set_bit(i, new);
- }
-
- /* For entries that could not be matched, use remaining free slots. */
- for_each_set_bit(i, new, ARRAY_SIZE(dec_param->dpb)) {
- const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i];
- struct v4l2_h264_dpb_entry *cdpb;
-
- /*
- * Both arrays are of the same sizes, so there is no way
- * we can end up with no space in target array, unless
- * something is buggy.
- */
- j = find_first_zero_bit(used, ARRAY_SIZE(dec_param->dpb));
- if (WARN_ON(j >= ARRAY_SIZE(dec_param->dpb)))
- return;
-
- cdpb = &dpb[j];
- *cdpb = *ndpb;
- set_bit(j, used);
- }
-}
-
-/*
- * The firmware expects unused reflist entries to have the value 0x20.
- */
-static void fixup_ref_list(u8 *ref_list, size_t num_valid)
-{
- memset(&ref_list[num_valid], 0x20, 32 - num_valid);
-}
-
-static void get_vdec_decode_parameters(struct vdec_h264_slice_inst *inst)
-{
- const struct v4l2_ctrl_h264_decode_params *dec_params =
- get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
- const struct v4l2_ctrl_h264_sps *sps =
- get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
- const struct v4l2_ctrl_h264_pps *pps =
- get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
- const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix =
- get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
+ const struct v4l2_ctrl_h264_decode_params *dec_params;
+ const struct v4l2_ctrl_h264_sps *sps;
+ const struct v4l2_ctrl_h264_pps *pps;
+ const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix;
struct mtk_h264_dec_slice_param *slice_param = &inst->h264_slice_param;
struct v4l2_h264_reflist_builder reflist_builder;
u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
- update_dpb(dec_params, inst->dpb);
+ dec_params =
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
+ if (IS_ERR(dec_params))
+ return PTR_ERR(dec_params);
+
+ sps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SPS);
+ if (IS_ERR(sps))
+ return PTR_ERR(sps);
+
+ pps = mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_PPS);
+ if (IS_ERR(pps))
+ return PTR_ERR(pps);
- get_h264_sps_parameters(&slice_param->sps, sps);
- get_h264_pps_parameters(&slice_param->pps, pps);
- get_h264_scaling_matrix(&slice_param->scaling_matrix, scaling_matrix);
- get_h264_decode_parameters(&slice_param->decode_params, dec_params,
- inst->dpb);
- get_h264_dpb_list(inst, slice_param);
+ scaling_matrix =
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_SCALING_MATRIX);
+ if (IS_ERR(scaling_matrix))
+ return PTR_ERR(scaling_matrix);
+
+ mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
+
+ mtk_vdec_h264_copy_sps_params(&slice_param->sps, sps);
+ mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
+ mtk_vdec_h264_copy_scaling_matrix(&slice_param->scaling_matrix, scaling_matrix);
+ mtk_vdec_h264_copy_decode_params(&slice_param->decode_params,
+ dec_params, inst->dpb);
+ mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
+ slice_param->h264_dpb_info);
/* Build the reference lists */
v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps,
v4l2_h264_build_p_ref_list(&reflist_builder, p0_reflist);
v4l2_h264_build_b_ref_lists(&reflist_builder, b0_reflist, b1_reflist);
/* Adapt the built lists to the firmware's expectations */
- fixup_ref_list(p0_reflist, reflist_builder.num_valid);
- fixup_ref_list(b0_reflist, reflist_builder.num_valid);
- fixup_ref_list(b1_reflist, reflist_builder.num_valid);
+ mtk_vdec_h264_fixup_ref_list(p0_reflist, reflist_builder.num_valid);
+ mtk_vdec_h264_fixup_ref_list(b0_reflist, reflist_builder.num_valid);
+ mtk_vdec_h264_fixup_ref_list(b1_reflist, reflist_builder.num_valid);
memcpy(&inst->vsi_ctx.h264_slice_params, slice_param,
sizeof(inst->vsi_ctx.h264_slice_params));
-}
-static unsigned int get_mv_buf_size(unsigned int width, unsigned int height)
-{
- int unit_size = (width / MB_UNIT_LEN) * (height / MB_UNIT_LEN) + 8;
-
- return HW_MB_STORE_SZ * unit_size;
+ return 0;
}
static int allocate_predication_buf(struct vdec_h264_slice_inst *inst)
int i;
int err;
struct mtk_vcodec_mem *mem = NULL;
- unsigned int buf_sz = get_mv_buf_size(pic->buf_w, pic->buf_h);
+ unsigned int buf_sz = mtk_vdec_h264_get_mv_buf_size(pic->buf_w, pic->buf_h);
mtk_v4l2_debug(3, "size = 0x%x", buf_sz);
for (i = 0; i < H264_MAX_MV_NUM; i++) {
{
struct vdec_h264_slice_inst *inst = h_vdec;
const struct v4l2_ctrl_h264_decode_params *dec_params =
- get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_H264_DECODE_PARAMS);
struct vdec_vpu_inst *vpu = &inst->vpu;
struct mtk_video_dec_buf *src_buf_info;
struct mtk_video_dec_buf *dst_buf_info;
u64 c_fb_dma;
int err;
+ inst->num_nalu++;
/* bs NULL means flush decoder */
if (!bs)
return vpu_dec_reset(vpu);
c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx c_dma=%llx va=%p",
- ++inst->num_nalu, y_fb_dma, c_fb_dma, fb);
+ inst->num_nalu, y_fb_dma, c_fb_dma, fb);
inst->vsi_ctx.dec.bs_dma = (uint64_t)bs->dma_addr;
inst->vsi_ctx.dec.y_fb_dma = y_fb_dma;
v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb,
&dst_buf_info->m2m_buf.vb, true);
- get_vdec_decode_parameters(inst);
+ err = get_vdec_decode_parameters(inst);
+ if (err)
+ goto err_free_fb_out;
+
data[0] = bs->size;
/*
* Reconstruct the first byte of the NAL unit, as the firmware requests
projects / kernel.git / commitdiff