diff options
Diffstat (limited to 'drivers/staging/media/hantro/hantro_h264.c')
| -rw-r--r-- | drivers/staging/media/hantro/hantro_h264.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/staging/media/hantro/hantro_h264.c b/drivers/staging/media/hantro/hantro_h264.c index ed6eaf11d96f..0b4d2491be3b 100644 --- a/drivers/staging/media/hantro/hantro_h264.c +++ b/drivers/staging/media/hantro/hantro_h264.c @@ -229,12 +229,25 @@ static void prepare_table(struct hantro_ctx *ctx) const struct v4l2_ctrl_h264_decode_params *dec_param = ctrls->decode; struct hantro_h264_dec_priv_tbl *tbl = ctx->h264_dec.priv.cpu; const struct v4l2_h264_dpb_entry *dpb = ctx->h264_dec.dpb; + u32 dpb_longterm = 0; + u32 dpb_valid = 0; int i; for (i = 0; i < HANTRO_H264_DPB_SIZE; ++i) { tbl->poc[i * 2] = dpb[i].top_field_order_cnt; tbl->poc[i * 2 + 1] = dpb[i].bottom_field_order_cnt; + + /* + * Set up bit maps of valid and long term DPBs. + * NOTE: The bits are reversed, i.e. MSb is DPB 0. + */ + if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE) + dpb_valid |= BIT(HANTRO_H264_DPB_SIZE - 1 - i); + if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) + dpb_longterm |= BIT(HANTRO_H264_DPB_SIZE - 1 - i); } + ctx->h264_dec.dpb_valid = dpb_valid << 16; + ctx->h264_dec.dpb_longterm = dpb_longterm << 16; tbl->poc[32] = dec_param->top_field_order_cnt; tbl->poc[33] = dec_param->bottom_field_order_cnt; @@ -335,6 +348,17 @@ dma_addr_t hantro_h264_get_ref_buf(struct hantro_ctx *ctx, return dma_addr; } +u16 hantro_h264_get_ref_nbr(struct hantro_ctx *ctx, unsigned int dpb_idx) +{ + const struct v4l2_h264_dpb_entry *dpb = &ctx->h264_dec.dpb[dpb_idx]; + + if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) + return 0; + if (dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) + return dpb->pic_num; + return dpb->frame_num; +} + int hantro_h264_dec_prepare_run(struct hantro_ctx *ctx) { struct hantro_h264_dec_hw_ctx *h264_ctx = &ctx->h264_dec; |