diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index 9ee6f0f111e5..46119912c387 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -301,6 +301,31 @@ static void cedrus_h265_write_scaling_list(struct cedrus_ctx *ctx, } } +static int cedrus_h265_is_low_delay(struct cedrus_run *run) +{ + const struct v4l2_ctrl_hevc_slice_params *slice_params; + const struct v4l2_hevc_dpb_entry *dpb; + s32 poc; + int i; + + slice_params = run->h265.slice_params; + poc = run->h265.decode_params->pic_order_cnt_val; + dpb = run->h265.decode_params->dpb; + + for (i = 0; i < slice_params->num_ref_idx_l0_active_minus1 + 1; i++) + if (dpb[slice_params->ref_idx_l0[i]].pic_order_cnt_val > poc) + return 1; + + if (slice_params->slice_type != V4L2_HEVC_SLICE_TYPE_B) + return 0; + + for (i = 0; i < slice_params->num_ref_idx_l1_active_minus1 + 1; i++) + if (dpb[slice_params->ref_idx_l1[i]].pic_order_cnt_val > poc) + return 1; + + return 0; +} + static void cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run) { @@ -588,7 +613,7 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED, slice_params->flags); - if (decode_params->num_poc_st_curr_after == 0) + if (slice_params->slice_type != V4L2_HEVC_SLICE_TYPE_I && !cedrus_h265_is_low_delay(run)) reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO1_FLAG_SLICE_NOT_LOW_DELAY; cedrus_write(dev, VE_DEC_H265_DEC_SLICE_HDR_INFO1, reg);