Mt8192 can use some of common code with mt8183. Moves them to a new file in order to reuse.
Signed-off-by: Yunfei Dong yunfei.dong@mediatek.com Reviewed-by: Nicolas Dufresne nicolas.dufresne@collabora.com --- .../media/platform/mediatek/vcodec/Makefile | 1 + .../vcodec/vdec/vdec_h264_req_common.c | 310 +++++++++++++ .../vcodec/vdec/vdec_h264_req_common.h | 274 +++++++++++ .../mediatek/vcodec/vdec/vdec_h264_req_if.c | 427 ++---------------- 4 files changed, 629 insertions(+), 383 deletions(-) create mode 100644 drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.c create mode 100644 drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.h
diff --git a/drivers/media/platform/mediatek/vcodec/Makefile b/drivers/media/platform/mediatek/vcodec/Makefile index 359619653a0e..3f41d748eee5 100644 --- a/drivers/media/platform/mediatek/vcodec/Makefile +++ b/drivers/media/platform/mediatek/vcodec/Makefile @@ -9,6 +9,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \ 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 \ diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.c new file mode 100644 index 000000000000..bd0a486c00b3 --- /dev/null +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.c @@ -0,0 +1,310 @@ +// 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_io((void __iomem *)&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_toio((void __iomem *)dst_matrix->scaling_list_4x4, src_matrix->scaling_list_4x4, + sizeof(dst_matrix->scaling_list_4x4)); + + memcpy_toio((void __iomem *)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; +} diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.h b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.h new file mode 100644 index 000000000000..0113f380b491 --- /dev/null +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_common.h @@ -0,0 +1,274 @@ +/* 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 diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_if.c index 27119aa31dd9..b055ceea481d 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_if.c +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_h264_req_if.c @@ -12,109 +12,7 @@ #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 @@ -127,22 +25,6 @@ struct mtk_h264_dec_slice_param { 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 @@ -212,265 +94,45 @@ struct vdec_h264_slice_inst { 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, @@ -478,19 +140,14 @@ static void get_vdec_decode_parameters(struct vdec_h264_slice_inst *inst) 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) @@ -525,7 +182,7 @@ static int alloc_mv_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++) { @@ -674,7 +331,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs, { 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; @@ -684,6 +341,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs, u64 c_fb_dma; int err;
+ inst->num_nalu++; /* bs NULL means flush decoder */ if (!bs) return vpu_dec_reset(vpu); @@ -696,7 +354,7 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs, 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; @@ -705,7 +363,10 @@ static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
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