slice_param = (VASliceParameterBufferH264 *)ff_vaapi_alloc_slice(vactx, buffer, size);
if (!slice_param)
return -1;
- slice_param->slice_data_bit_offset = get_bits_count(&sl->gb) + 8; /* bit buffer started beyond nal_unit_type */
+ slice_param->slice_data_bit_offset = get_bits_count(&sl->gb);
slice_param->first_mb_in_slice = (sl->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + sl->mb_x;
slice_param->slice_type = ff_h264_get_slice_type(sl);
slice_param->direct_spatial_mv_pred_flag = sl->slice_type == AV_PICTURE_TYPE_B ? sl->direct_spatial_mv_pred : 0;